~ubuntu-branches/ubuntu/raring/crash/raring : revision 26

1

/* help.c - core analysis suite

2

*

3

4

5

4

5

6

*

7

* This program is free software; you can redistribute it and/or modify

8

* it under the terms of the GNU General Public License as published by

31

static char *output_info[];

32

static char *input_info[];

33

static char *README[];

34

static void dump_registers(void);

34

35

36

#define GPLv2 2

36

37

#define GPLv3 3

37

38

#if defined(GDB_7_0)

39

#if defined(GDB_5_3) || defined(GDB_6_0) || defined(GDB_6_1)

40

static int GPL_version = GPLv2;

41

#else

39

42

static int GPL_version = GPLv3;

40

#else

41

static int GPL_version = GPLv2;

42

43

#endif

43

44

45

static

82

83

" for that command is displayed. If it is the string \"input\", a",

83

84

" page describing the various crash command line input options is",

84

85

" displayed. If it is the string \"output\", a page describing command",

85

" line output options is displayed. After the help message is ",

86

" displayed, crash exits.",

86

" line output options is displayed. If it is the string \"all\", then",

87

" all of the possible help messages are displayed. After the help",

88

" message is displayed, crash exits.",

87

89

"",

88

90

" -s ",

89

91

" Proceed directly to the \"crash>\" prompt without displaying any",

198

200

"",

199

201

" --readnow",

200

202

" Pass this flag to the embedded gdb module, which will override",

201

" its two-stage strategy that it uses for reading symbol tables",

202

" from the NAMELIST.",

203

" the two-stage strategy that it uses for reading symbol tables",

204

" from the NAMELIST. If module symbol tables are loaded during",

205

" runtime with the \"mod\" command, the same override will occur.",

203

206

"",

204

207

" --smp ",

205

208

" Specify that the system being analyzed is an SMP kernel.",

464

467

oflag = 0;

465

468

466

469

while ((c = getopt(argcnt, args,

467

"efNDdmM:ngcaBbHhkKsvVoptTzLxO")) != EOF) {

470

"efNDdmM:ngcaBbHhkKsvVoptTzLxOr")) != EOF) {

468

471

switch(c)

469

472

{

470

473

case 'e':

569

572

570

573

case 'z':

571

574

fprintf(fp, "help options:\n");

572

fprintf(fp, " -e - extension table data\n");

573

575

fprintf(fp, " -a - alias data\n");

574

576

fprintf(fp, " -b - shared buffer data\n");

575

577

fprintf(fp, " -B - build data\n");

576

578

fprintf(fp, " -c - numargs cache\n");

577

579

fprintf(fp, " -d - device table\n");

578

580

fprintf(fp, " -D - dumpfile contents/statistics\n");

581

fprintf(fp, " -e - extension table data\n");

579

582

fprintf(fp, " -f - filesys table\n");

583

fprintf(fp, " -h - hash_table data\n");

584

fprintf(fp, " -H - hash_table data (verbose)\n");

580

585

fprintf(fp, " -k - kernel_table\n");

581

586

fprintf(fp, " -K - kernel_table (verbose)\n");

587

fprintf(fp, " -L - LKCD page cache environment\n");

582

588

fprintf(fp, " -M <num> machine specific\n");

583

589

fprintf(fp, " -m - machdep_table\n");

584

590

fprintf(fp, " -n - dumpfile contents/statistics\n");

591

fprintf(fp, " -o - offset_table and size_table\n");

592

fprintf(fp, " -p - program_context\n");

593

fprintf(fp, " -r - dump registers from dumpfile header\n");

585

594

fprintf(fp, " -s - symbol table data\n");

595

fprintf(fp, " -t - task_table\n");

596

fprintf(fp, " -T - task_table plus context_array\n");

586

597

fprintf(fp, " -v - vm_table\n");

587

598

fprintf(fp, " -V - vm_table (verbose)\n");

588

fprintf(fp, " -o - offset_table and size_table\n");

589

fprintf(fp, " -t - task_table\n");

590

599

fprintf(fp, " -x - text cache\n");

591

fprintf(fp, " -T - task_table plus context_array\n");

592

fprintf(fp, " -p - program_context\n");

593

fprintf(fp, " -h - hash_table data\n");

594

fprintf(fp, " -H - hash_table data (verbose)\n");

595

fprintf(fp, " -L - LKCD page cache environment\n");

596

600

return;

597

601

598

602

case 'L':

599

603

dumpfile_memory(DUMPFILE_ENVIRONMENT);

600

604

return;

601

605

606

case 'r':

607

dump_registers();

608

return;

609

602

610

default:

603

611

argerrs++;

604

612

break;

625

633

} while (args[optind]);

626

634

}

627

635

636

static void

637

dump_registers(void)

638

{

639

if (pc->flags2 & QEMU_MEM_DUMP)

640

dump_registers_for_qemu_mem_dump();

641

else

642

error(FATAL,

643

"-r option not supported on %s\n",

644

ACTIVE() ? "a live system" : "this dumpfile type");

645

}

646

628

647

/*

629

648

* Format and display the help menu.

630

649

*/

724

743

char *help_foreach[] = {

725

744

"foreach",

726

745

"display command data for multiple tasks in the system",

727

"[[pid | taskp | name | [kernel | user]] ...] command [flag] [argument]",

746

747

" command [flag] [argument]",

728

748

" This command allows for a an examination of various kernel data associated",

729

749

" with any, or all, tasks in the system, without having to set the context",

730

750

" to each targeted task.\n",

731

751

" pid perform the command(s) on this PID.",

732

752

" taskp perform the command(s) on task referenced by this hexadecimal",

733

753

" task_struct pointer.",

734

" name perform the command(s) on all commands with this name. If the",

735

" command name can be confused with a foreach command name, then",

736

" precede the name string with a \"\\\".",

754

" name perform the command(s) on all tasks with this name. If the",

755

" task name can be confused with a foreach command name, then",

756

" precede the name string with a \"\\\". If the name string is",

757

" enclosed within \"'\" characters, then the encompassed string",

758

" must be a POSIX extended regular expression that will be used",

759

" to match task names.",

737

760

" user perform the command(s) on all user (non-kernel) threads.",

738

761

" kernel perform the command(s) on all kernel threads.",

739

" active perform the command(s) on the active thread on each CPU.\n",

762

" active perform the command(s) on the active thread on each CPU.",

763

" state perform the command(s) on all tasks in the specified state, which",

764

" may be one of: RU, IN, UN, ST, ZO, TR, SW or DE.\n",

740

765

" If none of the task-identifying arguments above are entered, the command",

741

766

" will be performed on all tasks.\n",

742

767

" command select one or more of the following commands to be run on the tasks",

743

768

" selected, or on all tasks:\n",

744

" bt run the \"bt\" command (optional flags: -r -t -l -e -R -f -F -o)",

745

" vm run the \"vm\" command (optional flags: -p -v -m -R)",

746

" task run the \"task\" command (optional flag: -R)",

747

" files run the \"files\" command (optional flag: -R)",

748

" net run the \"net\" command (optional flags: -s -S -R)",

749

" set run the \"set\" command",

750

" sig run the \"sig\" command (optional flag: -g)",

751

" vtop run the \"vtop\" command (optional flags: -c -u -k)\n",

769

" bt run the \"bt\" command (optional flags: -r -t -l -e -R -f -F",

770

" -o -s -x -d)",

771

" vm run the \"vm\" command (optional flags: -p -v -m -R -d -x)",

772

" task run the \"task\" command (optional flags: -R -d -x)",

773

" files run the \"files\" command (optional flag: -R)",

774

" net run the \"net\" command (optional flags: -s -S -R -d -x)",

775

" set run the \"set\" command",

776

" sig run the \"sig\" command (optional flag: -g)",

777

" vtop run the \"vtop\" command (optional flags: -c -u -k)\n",

752

778

" flag Pass this optional flag to the command selected.",

753

779

" argument Pass this argument to the command selected.",

754

780

" ",

793

819

" Display the open files for all tasks:\n",

794

820

" %s> foreach files",

795

821

" ...\n",

822

" Display the state of tasks whose name contains a match to \"event.*\":\n",

823

" %s> foreach 'event.*' task -R state",

824

" PID: 99 TASK: ffff8804750d5500 CPU: 0 COMMAND: \"events/0\"",

825

" state = 1,",

826

" ",

827

" PID: 100 TASK: ffff8804750d4ac0 CPU: 1 COMMAND: \"events/1\"",

828

" state = 1,",

829

" ",

830

" PID: 101 TASK: ffff8804750d4080 CPU: 2 COMMAND: \"events/2\"",

831

" state = 1,",

832

" ...\n",

833

" Display the stack traces for all blocked (TASK_UNINTERRUPTIBLE) tasks:\n",

834

" %s> foreach UN bt",

835

" PID: 428 TASK: ffff880036b6c560 CPU: 1 COMMAND: \"jbd2/dm-1-8\"",

836

" #0 [ffff880035779a70] __schedule at ffffffff815df272",

837

" #1 [ffff880035779b08] schedule at ffffffff815dfacf",

838

" #2 [ffff880035779b18] io_schedule at ffffffff815dfb7f",

839

" #3 [ffff880035779b38] sleep_on_page at ffffffff81119a4e",

840

" #4 [ffff880035779b48] __wait_on_bit at ffffffff815e039f",

841

" #5 [ffff880035779b98] wait_on_page_bit at ffffffff81119bb8",

842

" #6 [ffff880035779be8] filemap_fdatawait_range at ffffffff81119ccc",

843

" #7 [ffff880035779cd8] filemap_fdatawait at ffffffff81119d8b",

844

" #8 [ffff880035779ce8] jbd2_journal_commit_transaction at ffffffff8123a99c",

845

" #9 [ffff880035779e58] kjournald2 at ffffffff8123ee7b",

846

" #10 [ffff880035779ee8] kthread at ffffffff8108fb9c",

847

" #11 [ffff880035779f48] kernel_thread_helper at ffffffff815ebaf4",

848

" ...\n",

796

849

NULL

797

850

};

798

851

863

916

" A number of internal debug, statistical, and other dumpfile related",

864

917

" data is available with the following options:",

865

918

" ",

866

" -e - extension table data",

867

919

" -a - alias data",

868

920

" -b - shared buffer data",

869

921

" -B - build data",

870

922

" -c - numargs cache",

871

923

" -d - device table",

872

924

" -D - dumpfile contents/statistics",

925

" -e - extension table data",

873

926

" -f - filesys table",

927

" -h - hash_table data",

928

" -H - hash_table data (verbose)",

874

929

" -k - kernel_table",

875

930

" -K - kernel_table (verbose)",

931

" -L - LKCD page cache environment",

876

932

" -M <num> machine specific",

877

933

" -m - machdep_table",

878

934

" -n - dumpfile contents/statistics",

935

" -o - offset_table and size_table",

936

" -p - program_context",

937

" -r - dump registers from dumpfile header",

879

938

" -s - symbol table data",

939

" -t - task_table",

940

" -T - task_table plus context_array",

880

941

" -v - vm_table",

881

942

" -V - vm_table (verbose)",

882

" -o - offset_table and size_table",

883

" -t - task_table",

884

943

" -x - text cache",

885

" -T - task_table plus context_array",

886

" -p - program_context",

887

" -h - hash_table data",

888

" -H - hash_table data (verbose)",

889

" -L - LKCD page cache environment",

890

944

NULL

891

945

};

892

946

905

959

" -v display the current state of internal %s variables.",

906

960

"",

907

961

" If no argument is entered, the current context is displayed. The context",

908

" consists of the PID, the task pointer, the CPU, and task state.",

962

" consists of the PID, the task pointer, the CPU, and task state. The task",

963

" state shows the bits found in both the task_struct state and exit_state",

964

" fields.",

909

965

" ",

910

966

" This command may also be used to set internal %s variables. If no value",

911

967

" argument is entered, the current value of the %s variable is shown. These",

932

988

" should return zero-filled memory.",

933

989

" null-stop on | off if on, gdb's printing of character arrays will",

934

990

" stop at the first NULL encountered.",

991

" gdb on | off if on, the %s session will be run in a mode",

992

" where all commands will be passed directly to",

993

" gdb, and the command prompt will change to ",

994

" \"gdb>\"; when running in this mode, native %s",

995

" commands may be executed by preceding them with",

996

" the \"crash\" directive.",

997

" scope text-addr sets the text scope for viewing the definition",

998

" of data structures; the \"text-addr\" argument",

999

" must be a kernel or module text address, which",

1000

" may be expressed symbolically or as a hexadecimal",

1001

" value.",

935

1002

" ",

936

1003

" Internal variables may be set in four manners:\n",

937

1004

" 1. entering the set command in $HOME/.%src.",

978

1045

" namelist: vmlinux",

979

1046

" zero_excluded: off",

980

1047

" null-stop: on",

1048

" gdb: off",

1049

" scope: (not set)",

981

1050

" ",

982

1051

" Show the current context:\n",

983

1052

" %s> set",

1062

1131

"[-k|-u|-G][-s][-p|-c|-t|-l|-a|-g|-r] [pid | taskp | command] ...",

1063

1132

" This command displays process status for selected, or all, processes" ,

1064

1133

" in the system. If no arguments are entered, the process data is",

1065

" is displayed for all processes. Selected process identifiers can be",

1066

" entered in the following forms:\n",

1134

" is displayed for all processes. Specific processes may be selected",

1135

" by using the following identifier formats:\n",

1067

1136

" pid a process PID.",

1068

1137

" taskp a hexadecimal task_struct pointer.",

1069

1138

" command a command name. If a command name is made up of letters that",

1070

1139

" are all numerical values, precede the name string with a \"\\\".",

1071

" -k select all kernel threads.",

1072

" -u select all user tasks.",

1140

" ",

1141

" The process list may be further restricted by the following options:\n",

1142

" -k restrict the output to only kernel threads.",

1143

" -u restrict the output to only user tasks.",

1073

1144

" -G display only the thread group leader in a thread group.",

1074

1145

" ",

1075

1146

" The process identifier types may be mixed. For each task, the following",

1080

1151

" 3. the CPU number that the task ran on last.",

1081

1152

" 4. the task_struct address or the kernel stack pointer of the process.",

1082

1153

" (see -s option below)",

1083

" 5. the task state (RU, IN, UN, ZO, ST, DE, SW).",

1154

" 5. the task state (RU, IN, UN, ZO, ST, TR, DE, SW).",

1084

1155

" 6. the percentage of physical memory being used by this task.",

1085

1156

" 7. the virtual address size of this task in kilobytes.",

1086

1157

" 8. the resident set size of this task in kilobytes.",

1105

1176

" and system times.",

1106

1177

" -l display the task last_run or timestamp value, whichever applies,",

1107

1178

" of selected, or all, tasks; the list is sorted with the most",

1108

" recently-run task (largest last_run/timestamp) shown first.",

1179

" recently-run task (largest last_run/timestamp) shown first,",

1180

" followed by the task's current state.",

1109

1181

" -a display the command line arguments and environment strings of",

1110

1182

" selected, or all, user-mode tasks.",

1111

1183

" -g display tasks by thread group, of selected, or all, tasks.",

1260

1332

" Show all tasks sorted by their task_struct's last_run or timestamp value,",

1261

1333

" whichever applies:\n",

1262

1334

" %s> ps -l",

1263

" [280195] PID: 2 TASK: c1468000 CPU: 0 COMMAND: \"keventd\"",

1264

" [280195] PID: 1986 TASK: c5af4000 CPU: 0 COMMAND: \"sshd\"",

1265

" [280195] PID: 2039 TASK: c58e6000 CPU: 0 COMMAND: \"sshd\"",

1266

" [280195] PID: 2044 TASK: c5554000 CPU: 0 COMMAND: \"bash\"",

1267

" [280195] PID: 2289 TASK: c70c0000 CPU: 0 COMMAND: \"s\"",

1268

" [280190] PID: 1621 TASK: c54f8000 CPU: 0 COMMAND: \"cupsd\"",

1269

" [280184] PID: 5 TASK: c154c000 CPU: 0 COMMAND: \"kswapd\"",

1270

" [280184] PID: 6 TASK: c7ff6000 CPU: 0 COMMAND: \"kscand\"",

1271

" [280170] PID: 0 TASK: c038e000 CPU: 0 COMMAND: \"swapper\"",

1272

" [280166] PID: 2106 TASK: c0c0c000 CPU: 0 COMMAND: \"sshd\"",

1273

" [280166] PID: 2162 TASK: c03a4000 CPU: 0 COMMAND: \"vmstat\"",

1274

" [280160] PID: 1 TASK: c154a000 CPU: 0 COMMAND: \"init\"",

1275

" [280131] PID: 3 TASK: c11ce000 CPU: 0 COMMAND: \"kapmd\"",

1276

" [280117] PID: 1568 TASK: c5a8c000 CPU: 0 COMMAND: \"smartd\"",

1277

" [280103] PID: 1694 TASK: c4c66000 CPU: 0 COMMAND: \"ntpd\"",

1278

" [280060] PID: 8 TASK: c7ff2000 CPU: 0 COMMAND: \"kupdated\"",

1279

" [279767] PID: 1720 TASK: c4608000 CPU: 0 COMMAND: \"sendmail\"",

1280

" [279060] PID: 13 TASK: c69f4000 CPU: 0 COMMAND: \"kjournald\"",

1281

" [278657] PID: 1523 TASK: c5ad4000 CPU: 0 COMMAND: \"ypbind\"",

1282

" [277712] PID: 2163 TASK: c06e0000 CPU: 0 COMMAND: \"sshd\"",

1283

" [277711] PID: 2244 TASK: c4cdc000 CPU: 0 COMMAND: \"ssh\"",

1284

" [277261] PID: 1391 TASK: c5d8e000 CPU: 0 COMMAND: \"syslogd\"",

1285

" [276837] PID: 1990 TASK: c58d8000 CPU: 0 COMMAND: \"bash\"",

1286

" [276802] PID: 1853 TASK: c3828000 CPU: 0 COMMAND: \"atd\"",

1287

" [276496] PID: 1749 TASK: c4480000 CPU: 0 COMMAND: \"cannaserver\"",

1288

" [274931] PID: 1760 TASK: c43ac000 CPU: 0 COMMAND: \"crond\"",

1289

" [246773] PID: 1844 TASK: c38d8000 CPU: 0 COMMAND: \"xfs\"",

1290

" [125620] PID: 2170 TASK: c48dc000 CPU: 0 COMMAND: \"bash\"",

1291

" [119059] PID: 1033 TASK: c64be000 CPU: 0 COMMAND: \"kjournald\"",

1292

" [110916] PID: 1663 TASK: c528a000 CPU: 0 COMMAND: \"sshd\"",

1293

" [ 86122] PID: 2112 TASK: c0da6000 CPU: 0 COMMAND: \"bash\"",

1294

" [ 13637] PID: 1891 TASK: c67ae000 CPU: 0 COMMAND: \"sshd\"",

1295

" [ 13636] PID: 1894 TASK: c38ec000 CPU: 0 COMMAND: \"bash\"",

1296

" [ 7662] PID: 1885 TASK: c6478000 CPU: 0 COMMAND: \"mingetty\"",

1297

" [ 7662] PID: 1886 TASK: c62da000 CPU: 0 COMMAND: \"mingetty\"",

1298

" [ 7662] PID: 1887 TASK: c5f8c000 CPU: 0 COMMAND: \"mingetty\"",

1299

" [ 7662] PID: 1888 TASK: c5f88000 CPU: 0 COMMAND: \"mingetty\"",

1300

" [ 7662] PID: 1889 TASK: c5f86000 CPU: 0 COMMAND: \"mingetty\"",

1301

" [ 7662] PID: 1890 TASK: c6424000 CPU: 0 COMMAND: \"mingetty\"",

1302

" [ 7661] PID: 4 TASK: c154e000 CPU: 0 COMMAND: \"ksoftirqd/0\"",

1303

" [ 7595] PID: 1872 TASK: c2e7e000 CPU: 0 COMMAND: \"inventory.pl\"",

1304

" [ 6617] PID: 1771 TASK: c435a000 CPU: 0 COMMAND: \"jserver\"",

1305

" [ 6307] PID: 1739 TASK: c48f8000 CPU: 0 COMMAND: \"gpm\"",

1306

" [ 6285] PID: 1729 TASK: c4552000 CPU: 0 COMMAND: \"sendmail\"",

1307

" [ 6009] PID: 1395 TASK: c6344000 CPU: 0 COMMAND: \"klogd\"",

1308

" [ 5820] PID: 1677 TASK: c4d74000 CPU: 0 COMMAND: \"xinetd\"",

1309

" [ 5719] PID: 1422 TASK: c5d04000 CPU: 0 COMMAND: \"portmap\"",

1310

" [ 4633] PID: 1509 TASK: c5ed4000 CPU: 0 COMMAND: \"apmd\"",

1311

" [ 4529] PID: 1520 TASK: c5d98000 CPU: 0 COMMAND: \"ypbind\"",

1312

" [ 4515] PID: 1522 TASK: c5d32000 CPU: 0 COMMAND: \"ypbind\"",

1313

" [ 4373] PID: 1441 TASK: c5d48000 CPU: 0 COMMAND: \"rpc.statd\"",

1314

" [ 4210] PID: 1352 TASK: c5b30000 CPU: 0 COMMAND: \"dhclient\"",

1315

" [ 1184] PID: 71 TASK: c65b6000 CPU: 0 COMMAND: \"khubd\"",

1316

" [ 434] PID: 9 TASK: c11de000 CPU: 0 COMMAND: \"mdrecoveryd\"",

1317

" [ 48] PID: 7 TASK: c7ff4000 CPU: 0 COMMAND: \"bdflush\"",

1335

" [280195] [RU] PID: 2 TASK: c1468000 CPU: 0 COMMAND: \"keventd\"",

1336

" [280195] [IN] PID: 1986 TASK: c5af4000 CPU: 0 COMMAND: \"sshd\"",

1337

" [280195] [IN] PID: 2039 TASK: c58e6000 CPU: 0 COMMAND: \"sshd\"",

1338

" [280195] [RU] PID: 2044 TASK: c5554000 CPU: 0 COMMAND: \"bash\"",

1339

" [280195] [RU] PID: 2289 TASK: c70c0000 CPU: 0 COMMAND: \"s\"",

1340

" [280190] [IN] PID: 1621 TASK: c54f8000 CPU: 0 COMMAND: \"cupsd\"",

1341

" [280184] [IN] PID: 5 TASK: c154c000 CPU: 0 COMMAND: \"kswapd\"",

1342

" [280184] [IN] PID: 6 TASK: c7ff6000 CPU: 0 COMMAND: \"kscand\"",

1343

" [280170] [IN] PID: 0 TASK: c038e000 CPU: 0 COMMAND: \"swapper\"",

1344

" [280166] [IN] PID: 2106 TASK: c0c0c000 CPU: 0 COMMAND: \"sshd\"",

1345

" [280166] [IN] PID: 2162 TASK: c03a4000 CPU: 0 COMMAND: \"vmstat\"",

1346

" [280160] [IN] PID: 1 TASK: c154a000 CPU: 0 COMMAND: \"init\"",

1347

" [280131] [IN] PID: 3 TASK: c11ce000 CPU: 0 COMMAND: \"kapmd\"",

1348

" [280117] [IN] PID: 1568 TASK: c5a8c000 CPU: 0 COMMAND: \"smartd\"",

1349

" [280103] [IN] PID: 1694 TASK: c4c66000 CPU: 0 COMMAND: \"ntpd\"",

1350

" [280060] [IN] PID: 8 TASK: c7ff2000 CPU: 0 COMMAND: \"kupdated\"",

1351

" [279767] [IN] PID: 1720 TASK: c4608000 CPU: 0 COMMAND: \"sendmail\"",

1352

" [279060] [IN] PID: 13 TASK: c69f4000 CPU: 0 COMMAND: \"kjournald\"",

1353

" [278657] [IN] PID: 1523 TASK: c5ad4000 CPU: 0 COMMAND: \"ypbind\"",

1354

" [277712] [IN] PID: 2163 TASK: c06e0000 CPU: 0 COMMAND: \"sshd\"",

1355

" [277711] [IN] PID: 2244 TASK: c4cdc000 CPU: 0 COMMAND: \"ssh\"",

1356

" [277261] [IN] PID: 1391 TASK: c5d8e000 CPU: 0 COMMAND: \"syslogd\"",

1357

" [276837] [IN] PID: 1990 TASK: c58d8000 CPU: 0 COMMAND: \"bash\"",

1358

" [276802] [IN] PID: 1853 TASK: c3828000 CPU: 0 COMMAND: \"atd\"",

1359

" [276496] [IN] PID: 1749 TASK: c4480000 CPU: 0 COMMAND: \"cannaserver\"",

1360

" [274931] [IN] PID: 1760 TASK: c43ac000 CPU: 0 COMMAND: \"crond\"",

1361

" [246773] [IN] PID: 1844 TASK: c38d8000 CPU: 0 COMMAND: \"xfs\"",

1362

" [125620] [IN] PID: 2170 TASK: c48dc000 CPU: 0 COMMAND: \"bash\"",

1363

" [119059] [IN] PID: 1033 TASK: c64be000 CPU: 0 COMMAND: \"kjournald\"",

1364

" [110916] [IN] PID: 1663 TASK: c528a000 CPU: 0 COMMAND: \"sshd\"",

1365

" [ 86122] [IN] PID: 2112 TASK: c0da6000 CPU: 0 COMMAND: \"bash\"",

1366

" [ 13637] [IN] PID: 1891 TASK: c67ae000 CPU: 0 COMMAND: \"sshd\"",

1367

" [ 13636] [IN] PID: 1894 TASK: c38ec000 CPU: 0 COMMAND: \"bash\"",

1368

" [ 7662] [IN] PID: 1885 TASK: c6478000 CPU: 0 COMMAND: \"mingetty\"",

1369

" [ 7662] [IN] PID: 1886 TASK: c62da000 CPU: 0 COMMAND: \"mingetty\"",

1370

" [ 7662] [IN] PID: 1887 TASK: c5f8c000 CPU: 0 COMMAND: \"mingetty\"",

1371

" [ 7662] [IN] PID: 1888 TASK: c5f88000 CPU: 0 COMMAND: \"mingetty\"",

1372

" [ 7662] [IN] PID: 1889 TASK: c5f86000 CPU: 0 COMMAND: \"mingetty\"",

1373

" [ 7662] [IN] PID: 1890 TASK: c6424000 CPU: 0 COMMAND: \"mingetty\"",

1374

" [ 7661] [IN] PID: 4 TASK: c154e000 CPU: 0 COMMAND: \"ksoftirqd/0\"",

1375

" [ 7595] [IN] PID: 1872 TASK: c2e7e000 CPU: 0 COMMAND: \"inventory.pl\"",

1376

" [ 6617] [IN] PID: 1771 TASK: c435a000 CPU: 0 COMMAND: \"jserver\"",

1377

" [ 6307] [IN] PID: 1739 TASK: c48f8000 CPU: 0 COMMAND: \"gpm\"",

1378

" [ 6285] [IN] PID: 1729 TASK: c4552000 CPU: 0 COMMAND: \"sendmail\"",

1379

" [ 6009] [IN] PID: 1395 TASK: c6344000 CPU: 0 COMMAND: \"klogd\"",

1380

" [ 5820] [IN] PID: 1677 TASK: c4d74000 CPU: 0 COMMAND: \"xinetd\"",

1381

" [ 5719] [IN] PID: 1422 TASK: c5d04000 CPU: 0 COMMAND: \"portmap\"",

1382

" [ 4633] [IN] PID: 1509 TASK: c5ed4000 CPU: 0 COMMAND: \"apmd\"",

1383

" [ 4529] [IN] PID: 1520 TASK: c5d98000 CPU: 0 COMMAND: \"ypbind\"",

1384

" [ 4515] [IN] PID: 1522 TASK: c5d32000 CPU: 0 COMMAND: \"ypbind\"",

1385

" [ 4373] [IN] PID: 1441 TASK: c5d48000 CPU: 0 COMMAND: \"rpc.statd\"",

1386

" [ 4210] [IN] PID: 1352 TASK: c5b30000 CPU: 0 COMMAND: \"dhclient\"",

1387

" [ 1184] [IN] PID: 71 TASK: c65b6000 CPU: 0 COMMAND: \"khubd\"",

1388

" [ 434] [IN] PID: 9 TASK: c11de000 CPU: 0 COMMAND: \"mdrecoveryd\"",

1389

" [ 48] [IN] PID: 7 TASK: c7ff4000 CPU: 0 COMMAND: \"bdflush\"",

1318

1390

" ",

1319

1391

" Show the kernel stack pointer of each user task:\n",

1320

1392

" %s> ps -us",

1394

1466

char *help_rd[] = {

1395

1467

"rd",

1396

1468

"read memory",

1397

"[-adDsSupxmfN][-8|-16|-32|-64][-o offs][-e addr] [address|symbol] [count]",

1469

"[-adDsSupxmfN][-8|-16|-32|-64][-o offs][-e addr][-r file][address|symbol]\n"

1470

" [count]",

1398

1471

" This command displays the contents of memory, with the output formatted",

1399

1472

" in several different manners. The starting address may be entered either",

1400

1473

" symbolically or by address. The default output size is the size of a long",

1426

1499

" values)",

1427

1500

" -o offs offset the starting address by offs.",

1428

1501

" -e addr display memory until reaching specified ending hexadecimal address.",

1502

" -r file dumps raw data to the specified output file; the number of bytes that",

1503

" are copied to the file must be specified either by a count argument",

1504

" or by the -e option.",

1429

1505

" address starting hexadecimal address:",

1430

1506

" 1 the default presumes a kernel virtual address.",

1431

1507

" 2. -p specifies a physical address.",

1432

1508

" 3. -u specifies a user virtual address, but is only necessary on",

1433

1509

" processors with common user and kernel virtual address spaces.",

1434

1510

" symbol symbol of starting address to read.",

1435

" count number of memory locations to display; if entered, must be the last",

1436

" argument on the command line (default is 1; unlimited for -a).",

1511

" count number of memory locations to display; if entered, it must be the",

1512

" last argument on the command line; if not entered, the count defaults",

1513

" to 1, or unlimited for -a; when used with the -r option, it is the",

1514

" number of bytes to be written to the file.",

1437

1515

"\nEXAMPLES",

1438

1516

" Display the kernel's version string:\n",

1439

1517

" %s> rd -a linux_banner",

1529

1607

char *help_bt[] = {

1530

1608

"bt",

1531

1609

"backtrace",

1532

#if defined(GDB_6_0) || defined(GDB_6_1) || defined(GDB_7_0)

1533

"[-a|-g|-r|-t|-T|-l|-e|-E|-f|-F|-o|-O] [-R ref] [-I ip] [-S sp] [pid | task]",

1534

#else

1535

"[-a|-r|-t|-l|-e|-f|-g] [-R ref] [ -I ip ] [-S sp] [pid | taskp]",

1536

#endif

1610

"[-a|-g|-r|-t|-T|-l|-e|-E|-f|-F|-o|-O] [-R ref] [-s [-x|d]] [-I ip] [-S sp]"

1611

"\n [pid | task]",

1537

1612

" Display a kernel stack backtrace. If no arguments are given, the stack",

1538

1613

" trace of the current context will be displayed.\n",

1539

1614

" -a displays the stack traces of the active task on each CPU.",

1540

1615

" (only applicable to crash dumps)",

1616

#ifdef GDB_5_3

1617

" -g use gdb stack trace code. (alpha only)",

1618

#else

1541

1619

" -g displays the stack traces of all threads in the thread group of",

1620

#endif

1542

1621

" the target task; the thread group leader will be displayed first.",

1543

1622

" -r display raw stack data, consisting of a memory dump of the two",

1544

1623

" pages of memory containing the task_union structure.",

1568

1647

" of this option toggles the backtrace method.",

1569

1648

" x86_64: use old backtrace method by default; subsequent usage of this",

1570

1649

" option toggles the backtrace method.",

1571

#if !defined(GDB_6_0) && !defined(GDB_6_1) && !defined(GDB_7_0)

1572

" -g use gdb stack trace code. (alpha only)",

1573

#endif

1574

1650

" -R ref display stack trace only if there is a reference to this symbol",

1575

1651

" or text address.",

1652

" -s display the symbol name plus its offset.",

1653

" -x when displaying a symbol offset with the -s option, override the",

1654

" default output format with hexadecimal format.",

1655

" -d when displaying a symbol offset with the -s option, override the",

1656

" default output format with decimal format.",

1576

1657

" -I ip use ip as the starting text location.",

1577

1658

" -S sp use sp as the starting stack frame address.",

1578

1659

" pid displays the stack trace(s) of this pid.",

1755

1836

" DS: 002b ESI: 0804b305 ES: 002b EDI: 08074ed0",

1756

1837

" SS: 002b ESP: bffe9a90 EBP: bffe9ac8",

1757

1838

" CS: 0023 EIP: 4012066e ERR: 00000080 EFLAGS: 00000246",

1839

" ",

1840

" Display the symbol name plus its offset in each frame, overriding",

1841

" the current output format with hexadecimal:\n",

1842

" %s> bt -sx",

1843

" PID: 1499 TASK: ffff88006af43cc0 CPU: 2 COMMAND: \"su\"",

1844

" #0 [ffff8800664a1c90] machine_kexec+0x167 at ffffffff810327b7",

1845

" #1 [ffff8800664a1ce0] crash_kexec+0x60 at ffffffff810a9ec0",

1846

" #2 [ffff8800664a1db0] oops_end+0xb0 at ffffffff81504160",

1847

" #3 [ffff8800664a1dd0] general_protection+0x25 at ffffffff81503435",

1848

" [exception RIP: kmem_cache_alloc+120]",

1849

" RIP: ffffffff8113cf88 RSP: ffff8800664a1e88 RFLAGS: 00010086",

1850

" RAX: 0000000000000000 RBX: ff88006ef56840ff RCX: ffffffff8114e9e4",

1851

" RDX: 0000000000000000 RSI: 00000000000080d0 RDI: ffffffff81796020",

1852

" RBP: ffffffff81796020 R8: ffff88000a3137a0 R9: 0000000000000000",

1853

" R10: ffff88007ac97300 R11: 0000000000000400 R12: 00000000000080d0",

1854

" R13: 0000000000000292 R14: 00000000000080d0 R15: 00000000000000c0",

1855

" ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018",

1856

" #4 [ffff8800664a1ed0] get_empty_filp+0x74 at ffffffff8114e9e4",

1857

" #5 [ffff8800664a1ef0] sock_alloc_fd+0x23 at ffffffff8142f553",

1858

" #6 [ffff8800664a1f10] sock_map_fd+0x23 at ffffffff8142f693",

1859

" #7 [ffff8800664a1f50] sys_socket+0x43 at ffffffff814302a3",

1860

" #8 [ffff8800664a1f80] system_call_fastpath+0x16 at ffffffff81013042",

1861

" RIP: 00007f5720b368e7 RSP: 00007fff52b629a8 RFLAGS: 00010206",

1862

" RAX: 0000000000000029 RBX: ffffffff81013042 RCX: 0000000000000000",

1863

" RDX: 0000000000000009 RSI: 0000000000000003 RDI: 0000000000000010",

1864

" RBP: 000000000066f320 R8: 0000000000000001 R9: 0000000000000000",

1865

" R10: 0000000000000000 R11: 0000000000000202 R12: ffff88007ac97300",

1866

" R13: 0000000000000000 R14: 00007f571e104a80 R15: 00007f571e305048",

1867

" ORIG_RAX: 0000000000000029 CS: 0033 SS: 002b",

1758

1868

NULL

1759

1869

};

1760

1870

1947

2057

char *help_mach[] = {

1948

2058

"mach",

1949

2059

"machine specific data",

1950

"[-cm]",

2060

"[-m | -c -[xd]]",

1951

2061

" This command displays data specific to a machine type.\n",

2062

" -m Display the physical memory map (x86, x86_64 and ia64 only).",

1952

2063

" -c Display each cpu's cpuinfo structure (x86, x86_64 and ia64 only).",

1953

2064

" Display each cpu's x8664_pda structure (x86_64 only),",

1954

2065

" Display the hwrpb_struct, and each cpu's percpu_struct (alpha only).",

1955

" -m Display the physical memory map (x86, x86_64 and ia64 only).",

2066

" -x override default output format with hexadecimal format.",

2067

" -d override default output format with decimal format.",

1956

2068

"\nEXAMPLES",

1957

2069

" %s> mach",

1958

2070

" MACHINE TYPE: i686",

2089

2201

char *help_runq[] = {

2090

2202

"runq",

2091

2203

"run queue",

2204

"[-t]",

2205

" With no argument, this command displays the tasks on the run queues",

2206

" of each cpu.",

2092

2207

" ",

2093

" This command displays the tasks on the run queues of each cpu.",

2208

" -t Display the timestamp information of each cpu's runqueue, which is the",

2209

" rq.clock, rq.most_recent_timestamp or rq.timestamp_last_tick value,",

2210

" whichever applies; following each cpu timestamp is the last_run or ",

2211

" timestamp value of the active task on that cpu, whichever applies, ",

2212

" along with the task identification.",

2094

2213

"\nEXAMPLES",

2214

" Display the tasks on an O(1) scheduler run queue:\n",

2095

2215

" %s> runq",

2096

2216

" CPU 0 RUNQUEUE: ffff880001cdb460",

2097

2217

" CURRENT: PID: 2739 TASK: ffff8800320fa7e0 COMMAND: \"bash\"",

2107

2227

" [115] PID: 1779 TASK: ffff88003207a860 COMMAND: \"klogd\"",

2108

2228

" EXPIRED PRIO_ARRAY: ffff880001ce3db8",

2109

2229

" [no tasks queued]",

2230

" ",

2231

" Display the tasks on a CFS run queue:\n",

2232

" %s> runq",

2233

" CPU 0 RUNQUEUE: ffff8800090436c0",

2234

" CURRENT: PID: 588 TASK: ffff88007e4877a0 COMMAND: \"udevd\"",

2235

" RT PRIO_ARRAY: ffff8800090437c8",

2236

" [no tasks queued]",

2237

" CFS RB_ROOT: ffff880009043740",

2238

" [118] PID: 2110 TASK: ffff88007d470860 COMMAND: \"check-cdrom.sh\"",

2239

" [118] PID: 2109 TASK: ffff88007f1247a0 COMMAND: \"check-cdrom.sh\"",

2240

" [118] PID: 2114 TASK: ffff88007f20e080 COMMAND: \"udevd\"",

2241

" ",

2242

" CPU 1 RUNQUEUE: ffff88000905b6c0",

2243

" CURRENT: PID: 2113 TASK: ffff88007e8ac140 COMMAND: \"udevd\"",

2244

" RT PRIO_ARRAY: ffff88000905b7c8",

2245

" [no tasks queued]",

2246

" CFS RB_ROOT: ffff88000905b740",

2247

" [118] PID: 2092 TASK: ffff88007d7a4760 COMMAND: \"MAKEDEV\"",

2248

" [118] PID: 1983 TASK: ffff88007e59f140 COMMAND: \"udevd\"",

2249

" [118] PID: 2064 TASK: ffff88007e40f7a0 COMMAND: \"udevd\"",

2250

" [115] PID: 2111 TASK: ffff88007e4278a0 COMMAND: \"kthreadd\"",

2251

" ",

2252

" Display run queue timestamp data:\n",

2253

" %s> runq -t ",

2254

" CPU 0: 2680990637359",

2255

" 2680986653330 PID: 28228 TASK: ffff880037ca2ac0 COMMAND: \"loop\"",

2256

" CPU 1: 2680940618478",

2257

" 2680940618478 PID: 28167 TASK: ffff880078130040 COMMAND: \"bash\"",

2258

" CPU 2: 2680990763425",

2259

" 2680986785772 PID: 28227 TASK: ffff8800787780c0 COMMAND: \"loop\"",

2260

" CPU 3: 2680990954469",

2261

" 2680986059540 PID: 28226 TASK: ffff880078778b00 COMMAND: \"loop\"",

2110

2262

NULL

2111

2263

};

2112

2264

2185

2337

char *help_dev[] = {

2186

2338

"dev",

2187

2339

"device data",

2188

"[-i | -p]",

2340

"[-i | -p | -d]",

2189

2341

" If no argument is entered, this command dumps character and block",

2190

2342

" device data.\n",

2191

2343

" -i display I/O port usage; on 2.4 kernels, also display I/O memory usage.",

2192

2344

" -p display PCI device data.",

2345

" -d display disk I/O statistics:",

2346

" TOTAL: total number of allocated in-progress I/O requests",

2347

" SYNC: I/O requests that are synchronous",

2348

" ASYNC: I/O requests that are asynchronous",

2349

" READ: I/O requests that are reads (older kernels)",

2350

" WRITE: I/O requests that are writes (older kernels)",

2351

" DRV: I/O requests that are in-flight in the device driver",

2193

2352

"\nEXAMPLES",

2194

2353

" Display character and block device data:\n",

2195

2354

" %s> dev",

2312

2471

" c0004080 fec00000-fec0ffff reserved",

2313

2472

" c00040a0 fee00000-fee0ffff reserved",

2314

2473

" c00040c0 ffe00000-ffffffff reserved",

2474

"\n Display disk I/O statistics:\n",

2475

" %s> dev -d",

2476

" MAJOR GENDISK NAME REQUEST QUEUE TOTAL READ WRITE DRV",

2477

" 2 0xffff81012d8a5000 fd0 0xffff81012dc053c0 12 0 12 0",

2478

" 22 0xffff81012dc6b000 hdc 0xffff81012d8ae340 2 2 0 0",

2479

" 8 0xffff81012dd71000 sda 0xffff81012d8af040 6 0 6 6",

2480

" 8 0xffff81012dc77000 sdb 0xffff81012d8b5740 0 0 0 0",

2481

" 8 0xffff81012d8d0c00 sdc 0xffff81012d8ae9c0 0 0 0 0",

2315

2482

2316

2483

NULL

2317

2484

};

2321

2488

char *help_search[] = {

2322

2489

"seach",

2323

2490

"search memory",

2324

"[-s start] [ -[kKV] | -u | -p ] [-e end | -l length] [-m mask]\n"

2325

" -[cwh] value ...",

2491

"[-s start] [ -[kKV] | -u | -p | -t ] [-e end | -l length] [-m mask]\n"

2492

" [-x count] -[cwh] [value | (expression) | symbol | string] ...",

2326

2493

" This command searches for a given value within a range of user virtual, kernel",

2327

2494

" virtual, or physical memory space. If no end nor length value is entered, ",

2328

2495

" then the search stops at the end of user virtual, kernel virtual, or physical",

2329

2496

" address space, whichever is appropriate.",

2330

2497

" ",

2331

2498

" An optional mask value may be entered to mask off \"don't care\" bits.\n",

2332

" -s start Start the search at this hexadecimal user or kernel virtual ",

2333

" address, physical address, or kernel symbol. The start address",

2334

" must be appropriate for the memory type specified; if no memory",

2335

" type is specified, the default is kernel virtual address space.",

2336

" -k If no start address is specified, start the search at the base",

2337

" of kernel virtual address space. This option is the default.",

2338

" -K Same as -k, except that mapped kernel virtual memory that was",

2339

" allocated by vmalloc(), module memory, or virtual mem_map regions",

2340

" will not be searched.",

2341

" -V Same as -k, except that unity-mapped kernel virtual memory and",

2342

" mapped kernel-text/static-data (x86_64 and ia64) will not be",

2343

" searched.",

2344

" -u If no start address is specified, start the search at the base",

2345

" of the current context's user virtual address space. If a start",

2346

" address is specified, then this option specifies that the start",

2347

" address is a user virtual address.",

2348

" -p If no start address is specified, start the search at the base",

2349

" of physical address space. If a start address is specified, then",

2350

" this option specifies that the start address is a physical address.",

2351

" -e end Stop the search at this hexadecimal user or kernel virtual address,",

2352

" kernel symbol, or physical address. The end address must be",

2353

" appropriate for the memory type specified.",

2354

" -l length Length in bytes of address range to search.",

2355

" -m mask Ignore the bits that are set in the hexadecimal mask value.",

2356

" -c Search for character string values instead of unsigned longs. If",

2357

" the string contains any space(s), it must be encompassed by double",

2358

" quotes.",

2359

" -w Search for unsigned hexadecimal ints instead of unsigned longs.",

2360

" This is only meaningful on 64-bit systems in order to search both",

2361

" the upper and lower 32-bits of each 64-bit long for the value.",

2362

" -h Search for unsigned hexadecimal shorts instead of unsigned longs.",

2363

" value Search for this hexadecimal long, unless modified by -c, -w, or -h.",

2499

" -s start Start the search at this hexadecimal user or kernel virtual ",

2500

" address, physical address, or kernel symbol. The start address",

2501

" must be appropriate for the memory type specified; if no memory",

2502

" type is specified, the default is kernel virtual address space.",

2503

" -k If no start address is specified, start the search at the base",

2504

" of kernel virtual address space. This option is the default.",

2505

" -K Same as -k, except that mapped kernel virtual memory that was",

2506

" allocated by vmalloc(), module memory, or virtual mem_map regions",

2507

" will not be searched.",

2508

" -V Same as -k, except that unity-mapped kernel virtual memory and",

2509

" mapped kernel-text/static-data (x86_64 and ia64) will not be",

2510

" searched.",

2511

" -u If no start address is specified, start the search at the base",

2512

" of the current context's user virtual address space. If a start",

2513

" address is specified, then this option specifies that the start",

2514

" address is a user virtual address.",

2515

" -p If no start address is specified, start the search at the base",

2516

" of physical address space. If a start address is specified,",

2517

" then this option specifies that the start address is a physical ",

2518

" address.",

2519

" -t Search only the kernel stack pages of every task. If one or more",

2520

" matches are found in a task's kernel stack, precede the output",

2521

" with a task-identifying header.",

2522

" -e end Stop the search at this hexadecimal user or kernel virtual",

2523

" address, kernel symbol, or physical address. The end address",

2524

" must be appropriate for the memory type specified.",

2525

" -l length Length in bytes of address range to search.",

2526

" -m mask Ignore the bits that are set in the hexadecimal mask value.",

2527

" -c Search for character string values instead of unsigned longs. If",

2528

" the string contains any space(s), it must be encompassed by double",

2529

" quotes.",

2530

" -w Search for unsigned hexadecimal ints instead of unsigned longs.",

2531

" This is only meaningful on 64-bit systems in order to search both",

2532

" the upper and lower 32-bits of each 64-bit long for the value.",

2533

" -h Search for unsigned hexadecimal shorts instead of unsigned longs.",

2534

" -x count Display the memory contents before and after any found value. The",

2535

" before and after memory context will consist of \"count\" memory",

2536

" items of the same size as the \"value\" argument. This option is",

2537

" not applicable with the -c option.",

2538

" value Search for this hexadecimal long, unless modified by the -c, -w, ",

2539

" or -h options.",

2540

"(expression) Search for the value of this expression; the expression value must",

2541

" not overflow the designated size when -h or -w are used; not",

2542

" applicable when used with the -c option.",

2543

" symbol Search for this symbol value; the symbol value must not overflow",

2544

" the designated size when -h or -w are used; not applicable when ",

2545

" used with the -c option.",

2546

" string Search for character string values; if the string contains any ",

2547

" space(s), it must be encompassed by double quotes; only applicable",

2548

" with the -c option.",

2364

2549

" ",

2365

" If -k, -K, -V, -u or -p are not used, then the search defaults to kernel",

2550

" If -k, -K, -V, -u, -p or -t are not used, then the search defaults to kernel",

2366

2551

" virtual address space. The starting address must be long-word aligned. ",

2367

2552

" Address ranges that start in user space and end in kernel space are not",

2368

2553

" accepted.",

2448

2633

" ffff8801258be748: Failure to install fence: %%d..<3>[drm:%%s] *ERROR* Failed",

2449

2634

" ffff880125f07ec9: can\'t allocate memory..<3>ACPI: Invalid data..Too many d",

2450

2635

" ffffffff813ddec1: can\'t allocate memory for key lists..<3>%%s %%s: error con",

2636

"\n Search the kernel stacks of all tasks for those that contain the inode",

2637

" address ffff81002c0a3050:\n",

2638

" %s> search -t ffff81002c0a3050",

2639

" PID: 4876 TASK: ffff81003e9f5860 CPU: 7 COMMAND: \"automount\"",

2640

" ffff8100288fbe98: ffff81002c0a3050",

2641

" ",

2642

" PID: 4880 TASK: ffff81003ce967a0 CPU: 0 COMMAND: \"automount\"",

2643

" ffff81002c0fbdd8: ffff81002c0a3050",

2644

" ffff81002c0fbe78: ffff81002c0a3050",

2645

"\n When a kernel symbol or an (expression) is used an argument, both the",

2646

" resultant value and the input string are displayed:\n",

2647

" %s> search anon_inode_inode (__down_interruptible+191)",

2648

" ffff81000222a728: ffffffff80493d60 (anon_inode_inode)",

2649

" ffff810005a1e918: ffffffff800649d6 (__down_interruptible+191)",

2650

" ffff810005a1e9d0: ffffffff800649d6 (__down_interruptible+191)",

2651

" ffff810005a1eb48: ffffffff800649d6 (__down_interruptible+191)",

2652

" ffff81000b409c60: ffffffff80493d60 (anon_inode_inode)",

2653

" ffff81000c155b98: ffffffff80493d60 (anon_inode_inode)",

2654

" ffff8100194fac70: ffffffff80493d60 (anon_inode_inode)",

2655

" ffff81001daa1008: ffffffff80493d60 (anon_inode_inode)",

2656

" ffff810028b95830: ffffffff800649d6 (__down_interruptible+191)",

2657

" ffff81002cea0c70: ffffffff80493d60 (anon_inode_inode)",

2658

" ffff810031327268: ffffffff80493d60 (anon_inode_inode)",

2659

" ffff810031327270: ffffffff800649d6 (__down_interruptible+191)",

2660

" ffff810034b1ccd0: ffffffff800649d6 (__down_interruptible+191)",

2661

" ffff8100399565a8: ffffffff80493d60 (anon_inode_inode)",

2662

" ffff81003a278cd0: ffffffff800649d6 (__down_interruptible+191)",

2663

" ffff81003cc23e08: ffffffff800649d6 (__down_interruptible+191)",

2451

2664

NULL

2452

2665

};

2453

2666

2455

2668

char *help_irq[] = {

2456

2669

"irq",

2457

2670

"IRQ data",

2458

"[[[index ...] | -u] | -d | -b]",

2671

"[[[index ...] | -u ] | -d | -b | -a | -s [-c cpu]]",

2459

2672

" This command collaborates the data in an irq_desc_t, along with its",

2460

2673

" associated hw_interrupt_type and irqaction structure data, into a",

2461

2674

" consolidated per-IRQ display. For kernel versions 2.6.37 and later",

2462

2675

" the display consists of the irq_desc/irq_data address, its irqaction",

2463

2676

" address(es), and the irqaction name strings. Alternatively, the",

2464

" intel interrupt descriptor table may be dumped, or bottom half data",

2465

" may be displayed. If no index value argument(s) nor any options are",

2466

" entered, the IRQ data for all IRQs will be displayed.\n",

2677

" intel interrupt descriptor table, bottom half data, cpu affinity for",

2678

" in-use irqs, or kernel irq stats may be displayed. If no index value",

2679

" argument(s) nor any options are entered, the IRQ data for all IRQs will",

2680

" be displayed.\n",

2467

2681

" index a valid IRQ index.",

2468

" -u dump data for in-use IRQs only.",

2682

" -u dump data for in-use IRQs only.",

2469

2683

" -d dump the intel interrupt descriptor table.",

2470

2684

" -b dump bottom half data.",

2685

" -a dump cpu affinity for in-use IRQs.",

2686

" -s dump the kernel irq stats; if no cpu specified with -c, the",

2687

" irq stats of all cpus will be displayed.",

2688

" -c cpu only usable with the -s option, dump the irq stats of the ",

2689

" specified cpu[s]; cpu can be specified as \"1,3,5\", \"1-3\",",

2690

" or \"1,3,5-7,10\".",

2471

2691

"\nEXAMPLES",

2472

2692

" Display the relevant data for IRQ 18 from a pre-2.6.37 kernel:\n",

2473

2693

" %s> irq 18",

2545

2765

" [6] ffffffff81069090 <tasklet_action> ",

2546

2766

" [7] ffffffff81058830 <run_rebalance_domains> ",

2547

2767

" [8] ffffffff81087f00 <run_hrtimer_softirq> ",

2548

" [9] ffffffff810ca7a0 <rcu_process_callbacks> ",

2768

" [9] ffffffff810ca7a0 <rcu_process_callbacks> \n",

2769

" Display the cpu affinity for in-use IRQs:\n",

2770

" %s> irq -a",

2771

" IRQ NAME AFFINITY",

2772

" 0 timer 0-23",

2773

" 1 i8042 0-23",

2774

" 8 rtc0 0-23",

2775

" 9 acpi 0-23",

2776

" 16 ehci_hcd:usb2,uhci_hcd:usb3,uhci_hcd:usb6 0,6,18",

2777

" 17 uhci_hcd:usb4,uhci_hcd:usb7 0-23",

2778

" 18 ehci_hcd:usb1,uhci_hcd:usb5,uhci_hcd:usb8,ioc0 0,11,23",

2779

" 24 dmar0 0",

2780

" 35 pciehp 0-23",

2781

" 36 pciehp 0-23",

2782

" 37 pciehp 0-23",

2783

" 38 pciehp 0-23",

2784

" 39 megasas 0-5,12-17",

2785

" 40 lpfc:sp 0-5,12-17",

2786

" 41 lpfc:fp 0,6-11,18-23",

2787

" 42 lpfc:sp 0,6-11,18-23",

2788

" 43 lpfc:fp 0,6-11,18-23",

2789

" ...\n",

2790

" 80 ioat-msix 0-23",

2791

" 81 ioat-msix 0-23",

2792

" 82 ioat-msix 0-23",

2793

" 83 ioat-msix 0-23",

2794

" 84 ioat-msix 0-23",

2795

" 85 ioat-msix 0-23",

2796

" 86 ioat-msix 0-23",

2797

" 87 ioat-msix 0-23",

2798

" 88 eth4 0,17\n",

2799

" Display the kernel irq stats:\n",

2800

" %s>irq -c 0,2 -s",

2801

" CPU0 CPU2 ",

2802

" 0: 2068161471 0 IR-IO-APIC-edge timer",

2803

" 1: 9 0 IR-IO-APIC-edge i8042",

2804

" 8: 1 0 IR-IO-APIC-edge rtc0",

2805

" 9: 0 0 IR-IO-APIC-fasteoi acpi",

2806

" 16: 36 0 IR-IO-APIC-fasteoi ehci_hcd:usb2",

2807

" ...\n",

2808

" 85: 3 0 IR-PCI-MSI-edge ioat-msix",

2809

" 86: 3 0 IR-PCI-MSI-edge ioat-msix",

2810

" 87: 3 0 IR-PCI-MSI-edge ioat-msix",

2811

" 88: 24 295 IR-PCI-MSI-edge eth4",

2549

2812

NULL

2550

2813

};

2551

2814

2552

2815

2816

char *help_ipcs[] = {

2817

"ipcs",

2818

"System V IPC facilities",

2819

"[-smMq] [-n pid|task] [id | addr]",

2820

2821

" This command provides information on the System V IPC facilities. With no",

2822

" arguments, the command will display kernel usage of all three factilities.",

2823

" ",

2824

" -s show semaphore arrays.",

2825

" -m show shared memory segments.",

2826

" -M show shared memory segments with additional details.",

2827

" -q show message queues.",

2828

" id show the data associated with this resource ID.",

2829

" addr show the data associated with this virtual address of a",

2830

" shmid_kernel, sem_array or msq_queue.",

2831

"",

2832

" For kernels supporting namespaces, the -n option may be used to",

2833

" display the IPC facilities with respect to the namespace of a",

2834

" specified task:\n",

2835

" -n pid a process PID.",

2836

" -n task a hexadecimal task_struct pointer.",

2837

"\nEXAMPLES",

2838

" Display all IPC facilities:\n",

2839

" %s> ipcs",

2840

" SHMID_KERNEL KEY SHMID UID PERMS BYTES NATTCH STATUS",

2841

" ffff880473a28310 00000000 0 0 666 90000 1 ",

2842

" ffff880473a28490 00000001 32769 0 666 90000 1 ",

2843

" ffff880473a28250 00000002 65538 0 666 90000 1 ",

2844

" ",

2845

" SEM_ARRAY KEY SEMID UID PERMS NSEMS ",

2846

" ffff88047200f9d0 00000000 0 0 600 1 ",

2847

" ffff88046f826910 00000000 32769 0 600 1 ",

2848

" ",

2849

" MSG_QUEUE KEY MSQID UID PERMS USED-BYTES MESSAGES",

2850

" ffff8100036bb8d0 000079d7 0 3369 666 16640 104",

2851

" ffff8100036bb3d0 000079d8 32769 3369 666 12960 81",

2852

" ffff810026d751d0 000079d9 65538 3369 666 10880 68",

2853

" ",

2854

" Display shared memory usage with detailed information:\n",

2855

" %s> ipcs -M",

2856

" SHMID_KERNEL KEY SHMID UID PERMS BYTES NATTCH STATUS",

2857

" ffff880473a28310 00000000 0 0 666 90000 1 ",

2858

" PAGES ALLOCATED/RESIDENT/SWAPPED: 22/1/0",

2859

" INODE: ffff88047239cd98",

2860

" ",

2861

" SHMID_KERNEL KEY SHMID UID PERMS BYTES NATTCH STATUS",

2862

" ffff880473a28490 00000001 32769 0 666 90000 1 ",

2863

" PAGES ALLOCATED/RESIDENT/SWAPPED: 22/1/0",

2864

" INODE: ffff88047239c118",

2865

" ",

2866

" SHMID_KERNEL KEY SHMID UID PERMS BYTES NATTCH STATUS",

2867

" ffff880473a28250 00000002 65538 0 666 90000 1 ",

2868

" PAGES ALLOCATED/RESIDENT/SWAPPED: 22/1/0",

2869

" INODE: ffff880470503758",

2870

" ",

2871

" Display the shared memory data associated with shmid_kernel ffff880473a28250:\n",

2872

" %s> ipcs -M ffff880473a28250",

2873

" SHMID_KERNEL KEY SHMID UID PERMS BYTES NATTCH STATUS",

2874

" ffff880473a28250 00000002 65538 0 666 90000 1 ",

2875

" PAGES ALLOCATED/RESIDENT/SWAPPED: 22/1/0",

2876

" INODE: ffff880470503758",

2877

NULL

2878

};

2879

2553

2880

char *help_cpu[] = {

2554

2881

"cpu",

2555

2882

"set context to the active task on a cpu",

2654

2981

char *help_log[] = {

2655

2982

"log",

2656

2983

"dump system message buffer",

2657

"[-m]",

2658

" This command dumps the kernel log_buf contents in chronological order.",

2984

"[-tdm]",

2985

" This command dumps the kernel log_buf contents in chronological order. The",

2986

" command supports the older log_buf formats, which may or may not contain a",

2987

" timestamp inserted prior to each message, as well as the newer variable-length",

2988

" record format, where the timestamp is contained in each log entry's header.",

2659

2989

" ",

2660

" -m Display the message log level preceding each message.",

2990

" -t Display the message text without the timestamp; only applicable to the",

2991

" variable-length record format.",

2992

" -d Display the dictionary of key/value pair properties that are optionally",

2993

" appended to a message by the kernel's dev_printk() function; only",

2994

" applicable to the variable-length record format.",

2995

" -m Display the message log level in brackets preceding each message. For",

2996

" the variable-length record format, the level will be displayed in ",

2997

" hexadecimal, and depending upon the kernel version, also contains the",

2998

" facility or flags bits.",

2999

" ",

2661

3000

"\nEXAMPLES",

2662

3001

" Dump the kernel message buffer:\n",

2663

3002

" %s> log",

2706

3045

2707

3046

" <7>nfsd_init: initialized fhcache, entries=256",

2708

3047

" ... ",

3048

" ",

3049

" On a system with the variable-length record format, and whose log_buf has been",

3050

" filled and wrapped around, display the log with timestamp data:\n",

3051

" %s> log",

3052

" [ 0.467730] pci 0000:ff:02.0: [8086:2c10] type 00 class 0x060000",

3053

" [ 0.467749] pci 0000:ff:02.1: [8086:2c11] type 00 class 0x060000",

3054

" [ 0.467769] pci 0000:ff:02.4: [8086:2c14] type 00 class 0x060000",

3055

" [ 0.467788] pci 0000:ff:02.5: [8086:2c15] type 00 class 0x060000",

3056

" [ 0.467809] pci 0000:ff:03.0: [8086:2c18] type 00 class 0x060000",

3057

" [ 0.467828] pci 0000:ff:03.1: [8086:2c19] type 00 class 0x060000",

3058

" ...",

3059

" ",

3060

" Display the same message text as above, without the timestamp data:\n",

3061

" %s> log -t",

3062

" pci 0000:ff:02.0: [8086:2c10] type 00 class 0x060000",

3063

" pci 0000:ff:02.1: [8086:2c11] type 00 class 0x060000",

3064

" pci 0000:ff:02.4: [8086:2c14] type 00 class 0x060000",

3065

" pci 0000:ff:02.5: [8086:2c15] type 00 class 0x060000",

3066

" pci 0000:ff:03.0: [8086:2c18] type 00 class 0x060000",

3067

" pci 0000:ff:03.1: [8086:2c19] type 00 class 0x060000",

3068

" ...",

3069

" ",

3070

" Display the same message text as above, with appended dictionary data:\n",

3071

" %s> log -td",

3072

" pci 0000:ff:02.0: [8086:2c10] type 00 class 0x060000",

3073

" SUBSYSTEM=pci",

3074

" DEVICE=+pci:0000:ff:02.0",

3075

" pci 0000:ff:02.1: [8086:2c11] type 00 class 0x060000",

3076

" SUBSYSTEM=pci",

3077

" DEVICE=+pci:0000:ff:02.1",

3078

" pci 0000:ff:02.4: [8086:2c14] type 00 class 0x060000",

3079

" SUBSYSTEM=pci",

3080

" DEVICE=+pci:0000:ff:02.4",

3081

" pci 0000:ff:02.5: [8086:2c15] type 00 class 0x060000",

3082

" SUBSYSTEM=pci",

3083

" DEVICE=+pci:0000:ff:02.5",

3084

" pci 0000:ff:03.0: [8086:2c18] type 00 class 0x060000",

3085

" SUBSYSTEM=pci",

3086

" DEVICE=+pci:0000:ff:03.0",

3087

" pci 0000:ff:03.1: [8086:2c19] type 00 class 0x060000",

3088

" SUBSYSTEM=pci",

3089

" DEVICE=+pci:0000:ff:03.1",

3090

" ...",

2709

3091

NULL

2710

3092

};

2711

3093

3037

3419

char *help_vm[] = {

3038

3420

"vm",

3039

3421

"virtual memory",

3040

"[-p | -v | -m | [-R reference] | [-f vm_flags]] [pid | taskp] ... ",

3422

"[-p | -P vmaddr | -v | -m | -x | -d | [-R reference] | [-f vm_flags]]"

3423

"\n [pid | taskp] ... ",

3041

3424

" This command displays basic virtual memory information of a context,",

3042

3425

" consisting of a pointer to its mm_struct and page dirctory, its RSS and ",

3043

3426

" total virtual memory size; and a list of pointers to each vm_area_struct,",

3053

3436

" -p translate each virtual page to its physical address, or if",

3054

3437

" the page is not mapped, its swap device and offset, or",

3055

3438

" filename and offset.",

3439

" -P vmaddr similar to -p, but only translate the pages belonging to the",

3440

" specified VM area of a context.",

3056

3441

" -R reference search for references to this number or filename.",

3057

3442

" -m dump the mm_struct assocated with the task.",

3058

3443

" -v dump all of the vm_area_structs associated with the task.",

3444

" -x override the default output format for the -m or -v options",

3445

" with hexadecimal format.",

3446

" -d override the default output format for the -m or -v options",

3447

" with decimal format.",

3059

3448

" -f vm_flags translate the bits of a FLAGS (vm_flags) value.",

3060

3449

" pid a process PID.",

3061

3450

" taskp a hexadecimal task_struct pointer.",

3231

3620

" Translate a FLAGS value:\n",

3232

3621

" %s> vm -f 3875",

3233

3622

3623

" ",

3624

" Display the page translations of the VM area at address f5604f2c:\n",

3625

" %s> vm -P f5604f2c",

3626

" PID: 5508 TASK: f56a9570 CPU: 0 COMMAND: \"crond\"",

3627

" VMA START END FLAGS FILE",

3628

" f5604f2c f5b000 f67000 8000075 /lib/libnss_files-2.12.so",

3629

" VIRTUAL PHYSICAL",

3630

" f5b000 3fec1000",

3631

" f5c000 3d3a4000",

3632

" f5d000 FILE: /lib/libnss_files-2.12.so OFFSET: 2000",

3633

" f5e000 FILE: /lib/libnss_files-2.12.so OFFSET: 3000",

3634

" f5f000 FILE: /lib/libnss_files-2.12.so OFFSET: 4000",

3635

" f60000 3fd31000",

3636

" f61000 3fd32000",

3637

" f62000 FILE: /lib/libnss_files-2.12.so OFFSET: 7000",

3638

" f63000 FILE: /lib/libnss_files-2.12.so OFFSET: 8000",

3639

" f64000 3ff35000",

3640

" f65000 FILE: /lib/libnss_files-2.12.so OFFSET: a000",

3641

" f66000 FILE: /lib/libnss_files-2.12.so OFFSET: b000",

3234

3642

NULL

3235

3643

};

3236

3644

3237

3645

char *help_task[] = {

3238

3646

"task",

3239

3647

"task_struct contents",

3240

"[-R member[,member]] [pid | taskp] ...",

3648

"[-R member[,member]] [-dx] [pid | taskp] ...",

3241

3649

" This command dumps a formatted display of the contents of a task_struct.",

3242

3650

" Multiple task or PID numbers may be entered; if no arguments are entered,",

3243

3651

" the task_struct of the current context is displayed. The -R option,",

3247

3655

" pid a process PID.",

3248

3656

" taskp a hexadecimal task_struct pointer.",

3249

3657

" -R member a comma-separated list of one or more task_struct members.",

3658

" -x override default output format with hexadecimal format.",

3659

" -d override default output format with decimal format.",

3250

3660

"\nEXAMPLES",

3251

3661

" Dump the task_struct structure of the current context:\n",

3252

3662

" %s> task",

3509

3919

char *help_struct[] = {

3510

3920

"struct",

3511

3921

"structure contents",

3512

"struct_name[.member[,member]][-o][-l offset][-rfu] [address | symbol]\n"

3513

" [count | -c count]",

3922

"struct_name[.member[,member]][-o][-l offset][-rfuxdp][address | symbol]\n"

3923

" [count | -c count]",

3514

3924

" This command displays either a structure definition, or a formatted display",

3515

3925

" of the contents of a structure at a specified address. When no address is",

3516

3926

" specified, the structure definition is shown along with the structure size.",

3520

3930

" struct_name name of a C-code structure used by the kernel.",

3521

3931

" .member name of a structure member; to display multiple members of a",

3522

3932

" structure, use a comma-separated list of members.",

3523

" -o show member offsets when displaying structure definitions.",

3933

" -o show member offsets when displaying structure definitions; ",

3934

" if used with an address or symbol argument, each member will",

3935

" be preceded by its virtual address.",

3524

3936

" -l offset if the address argument is a pointer to a structure member that",

3525

3937

" is contained by the target data structure, typically a pointer",

3526

3938

" to an embedded list_head, the offset to the embedded member may",

3531

3943

" -f address argument is a dumpfile offset.",

3532

3944

" -u address argument is a user virtual address in the current",

3533

3945

" context.",

3946

" -x override default output format with hexadecimal format.",

3947

" -d override default output format with decimal format.",

3948

" -p if a structure member is a pointer value, show the member's",

3949

" data type on the output line; and on the subsequent line(s),",

3950

" dereference the pointer, display the pointer target's symbol",

3951

" value in brackets if appropriate, and if possible, display the",

3952

" target data; requires an address argument.",

3534

3953

" address hexadecimal address of a structure; if the address points",

3535

3954

" to an embedded list_head structure contained within the",

3536

3955

" target data structure, then the \"-l\" option must be used.",

3542

3961

" value is entered, the (positive) \"count\" structures that",

3543

3962

" lead up to and include the target structure will be displayed.\n",

3544

3963

" Structure data, sizes, and member offsets are shown in the current output",

3545

" radix.",

3964

" radix unless the -x or -d option is specified.",

3546

3965

" ",

3547

3966

" Please note that in the vast majority of cases, the \"struct\" command",

3548

3967

" name may be dropped; if the structure name does not conflict with any %s",

3613

4032

" [52] long unsigned int vm_pte;",

3614

4033

" }",

3615

4034

" SIZE: 56\n",

3616

" Display the pgd member of the mm_struct at address c2857bd0:\n",

3617

" %s> struct mm_struct.pgd c2857bd0",

3618

" pgd = 0xc168c000,\n",

3619

4035

" Display the definition and offset of the pgd member of an mm_struct:\n",

3620

4036

" %s> struct mm_struct.pgd",

3621

4037

" struct mm_struct {",

3622

" [12] pgd_t *pgd;",

4038

" [80] pgd_t *pgd;",

3623

4039

" }\n",

4040

" Display the pgd member of the mm_struct at address ffff810022e7d080:\n",

4041

" %s> struct mm_struct.pgd ffff810022e7d080",

4042

" pgd = 0xffff81000e3ac000\n",

4043

" Display the pgd_t pointed to by the mm_struct.pgd pointer above, forcing",

4044

" the output to be expressed in hexadecimal:\n",

4045

" %s> mm_struct.pgd ffff810022e7d080 -px",

4046

" pgd_t *pgd = 0xffff81000e3ac000",

4047

" -> {",

4048

" pgd = 0x2c0a6067",

4049

" }\n",

4050

" Display the thread_info structure pointed to by the thread_info",

4051

" member of the task_struct at ffff8100181190c0:\n",

4052

" %s> task_struct.thread_info ffff8100181190c0 -p",

4053

" struct thread_info *thread_info = 0xffff810023c06000",

4054

" -> {",

4055

" task = 0xffff8100181190c0,",

4056

" exec_domain = 0xffffffff802f78e0,",

4057

" flags = 128,",

4058

" status = 1,",

4059

" cpu = 3,",

4060

" preempt_count = 0,",

4061

" addr_limit = {",

4062

" seg = 18446604435732824064",

4063

" },",

4064

" restart_block = {",

4065

" fn = 0xffffffff80095a52 <do_no_restart_syscall>,",

4066

" arg0 = 0,",

4067

" arg1 = 0,",

4068

" arg2 = 0,",

4069

" arg3 = 0",

4070

" }",

4071

" }\n",

3624

4072

" Display the flags and virtual members of 4 contigous page structures",

3625

4073

" in the mem_map page structure array:\n",

3626

4074

" %s> page.flags,virtual c101196c 4",

3725

4173

" d_extra_attributes = 0x0, ",

3726

4174

" d_iname = \"boot.log\\000\"",

3727

4175

" }",

4176

" ",

4177

" Display the virtual address of each member of the task_struct at",

4178

" ffff8100145d2080:\n",

4179

" %s> task_struct -o ffff8100145d2080",

4180

" struct task_struct {",

4181

" [ffff8100145d2080] volatile long int state;",

4182

" [ffff8100145d2088] struct thread_info *thread_info;",

4183

" [ffff8100145d2090] atomic_t usage;",

4184

" [ffff8100145d2098] long unsigned int flags;",

4185

" [ffff8100145d20a0] int lock_depth;",

4186

" [ffff8100145d20a4] int load_weight;",

4187

" [ffff8100145d20a8] int prio;",

4188

" [ffff8100145d20ac] int static_prio;",

4189

" [ffff8100145d20b0] int normal_prio;",

4190

" [ffff8100145d20b8] struct list_head run_list;",

4191

" [ffff8100145d20c8] struct prio_array *array;",

4192

" ...",

3728

4193

"\nNOTE",

3729

4194

" If the structure name does not conflict with any %s command name, the",

3730

4195

" \"struct\" command may be dropped. Accordingly, the examples above could",

3732

4197

" %s> vm_area_struct c1e44f10",

3733

4198

" %s> vm_area_struct",

3734

4199

" %s> vm_area_struct -o",

3735

" %s> mm_struct.pgd c2857bd0",

4200

" %s> mm_struct.pgd ffff810022e7d080",

3736

4201

" %s> mm_struct.pgd",

3737

4202

" %s> tcp_sl_timer tcp_slt_array 4\n",

3738

4203

" Lastly, the short-cut \"*\" pointer-to command may also be used to negate",

3744

4209

char *help_union[] = {

3745

4210

"union",

3746

4211

"union contents",

3747

"union_name[.member[,member]] [-o][-l offset][-rfu] [address | symbol]\n"

4212

"union_name[.member[,member]] [-o][-l offset][-rfuxdp] [address | symbol]\n"

3748

4213

" [count | -c count]",

3749

4214

" This command displays either a union definition, or a formatted display",

3750

4215

" of the contents of a union at a specified address. When no address is",

3755

4220

" union_name name of a C-code union used by the kernel.",

3756

4221

" .member name of a union member; to display multiple members of a",

3757

4222

" union, use a comma-separated list of members.",

3758

" -o show member offsets when displaying union definitions.",

3759

" (always 0)",

4223

" -o show member offsets when displaying union definitions; the",

4224

" offset is always 0 unless used with an address or symbol",

4225

" argument, in which case each member will be preceded by its",

4226

" virtual address.",

3760

4227

" -l offset if the address argument is a pointer to a list_head structure",

3761

4228

" that is embedded in the target union structure, the offset",

3762

4229

" to the list_head member may be entered in either of the",

3765

4232

" 2. a number of bytes. ",

3766

4233

" -r raw dump of union data.",

3767

4234

" -f address argument is a dumpfile offset.",

4235

" -x override default output format with hexadecimal format.",

4236

" -d override default output format with decimal format.",

4237

" -p if a union member is a pointer value, show the member's",

4238

" data type on the output line; and on the subsequent line(s),",

4239

" dereference the pointer, display the pointer target's symbol",

4240

" value in brackets if appropriate, and if possible, display the",

4241

" target data; requires an address argument.",

3768

4242

" -u address argument is a user virtual address in the current",

3769

4243

" context.",

3770

4244

" address hexadecimal address of a union; if the address points",

3777

4251

" entered or if a negative number is entered; if a negative",

3778

4252

" value is entered, the (positive) \"count\" structures that",

3779

4253

" lead up to and include the target structure will be displayed.\n",

3780

" Union data, sizes, and member offsets are shown in the current output radix.",

4254

" Union data, sizes, and member offsets are shown in the current output radix",

4255

" unless the -x or -d option is specified.",

3781

4256

" ",

3782

4257

" Please note that in the vast majority of cases, the \"union\" command",

3783

4258

" name may be dropped; if the union name does not conflict with any %s",

3848

4323

char *help_mod[] = {

3849

4324

"mod",

3850

4325

"module information and loading of symbols and debugging data",

3851

"[ -s module [objfile] | -d module | -S [directory] | -D | -r | -o ] ",

4326

"-s module [objfile] | -d module | -S [directory] | -D | -r | -R | -o | -g",

3852

4327

" With no arguments, this command displays basic information of the currently",

3853

4328

" installed modules, consisting of the module address, name, size, the",

3854

4329

" object file name (if known), and whether the module was compiled with",

3884

4359

" appended, a search will be made for an object file",

3885

4360

" consisting of the module name with a .o or .ko suffix,",

3886

4361

" starting at the /lib/modules/<release> directory on",

3887

" the host system. If an objfile argument is appended,",

3888

" then that file will be used.",

4362

" the host system, or if not found there, starting at the",

4363

" directory containing the kernel namelist file. If an",

4364

" objfile argument is appended, then that file will be",

4365

" used.",

3889

4366

" -d module Deletes the symbolic and debugging data of the module",

3890

4367

" specified.",

3891

4368

" -S [directory] Load symbolic and debugging data from the object file",

3892

4369

" for all loaded modules. For each module, a search",

3893

4370

" will be made for an object file consisting of the",

3894

" module name with a .o or.ko suffix, starting at the",

3895

" /lib/modules/<release> directory of the host system.",

3896

" If a directory argument is appended, then the search",

3897

" will be restricted to that directory.",

4371

" module name with a .o or .ko suffix, starting at the",

4372

" /lib/modules/<release> directory of the host system,",

4373

" or if not found there, starting at the directory",

4374

" containing the kernel namelist file. If a directory",

4375

" argument is appended, then the search will be restricted",

4376

" to that directory.",

3898

4377

" -D Deletes the symbolic and debugging data of all modules.",

3899

" -r Reinitialize module data. All currently-loaded symbolic",

4378

" -r Passes the -readnow flag to the embedded gdb module,",

4379

" which will override the two-stage strategy that it uses",

4380

" for reading symbol tables from module object files.",

4381

" -R Reinitialize module data. All currently-loaded symbolic",

3900

4382

" and debugging data will be deleted, and the installed",

3901

4383

" module list will be updated (live system only).",

4384

" -g When used with -s or -S, add a module object's section",

4385

" start and end addresses to its symbol list.",

3902

4386

" -o Load module symbols with old mechanism.",

3903

4387

" ",

4388

" If the %s session was invoked with the \"--mod <directory>\" option, or",

4389

" a CRASH_MODULE_PATH environment variable exists, then /lib/modules/<release>",

4390

" will be overridden as the default directory tree that is searched for module",

4391

" object files.",

4392

" ",

3904

4393

" After symbolic and debugging data have been loaded, backtraces and text",

3905

4394

" disassembly will be displayed appropriately. Depending upon the processor",

3906

4395

" architecture, data may also printed symbolically with the \"p\" command;",

4019

4508

char *help__list[] = {

4020

4509

"list",

4021

4510

"linked list",

4022

"[[-o] offset] [-e end] [-s struct[.member[,member]]] [-H] start",

4511

"[[-o] offset] [-e end] [-s struct[.member[,member]] -[xd]] [-h|-H] start",

4023

4512

" This command dumps the contents of a linked list. The entries in a linked",

4024

4513

" list are typically data structures that are tied together in one of two",

4025

4514

" formats:",

4026

4515

" ",

4027

4516

" 1. A starting address points to a data structure; that structure contains",

4028

" a member that is a pointer to the next structure, and so on. The list",

4029

" typically ends when a \"next\" pointer value contains one of the",

4030

" following:\n",

4031

" a. a NULL pointer.",

4032

" b. a pointer to the start address.",

4033

" c. a pointer to the first item pointed to by the start address.",

4034

" d. a pointer to its containing structure.",

4517

" a member that is a pointer to the next structure, and so on. This type",

4518

" of a singly-linked list typically ends when a \"next\" pointer value ",

4519

" contains one of the following:",

4520

"",

4521

" (a) a NULL pointer.",

4522

" (b) a pointer to the start address.",

4523

" (c) a pointer to the first item pointed to by the start address.",

4524

" (d) a pointer to its containing structure.",

4035

4525

" ",

4036

" 2. Most Linux lists are linked via embedded list_head structures contained ",

4037

" within the data structures in the list. The linked list is headed by an",

4038

" external LIST_HEAD, which is simply a list_head structure initialized to",

4039

" point to itself, signifying that the list is empty:",

4526

" 2. Most Linux lists of data structures are doubly-linked using \"list_head\"",

4527

" structures that are embedded members of the data structures in the list:",

4040

4528

" ",

4041

4529

" struct list_head {",

4042

4530

" struct list_head *next, *prev;",

4043

4531

" };",

4044

4532

" ",

4045

" #define LIST_HEAD_INIT(name) { &(name), &(name) }"

4533

" The linked list is typically headed by an external, standalone list_head,",

4534

" which is simply initialized to point to itself, signifying that the list",

4535

" is empty:",

4046

4536

" ",

4537

" #define LIST_HEAD_INIT(name) { &(name), &(name) } ",

4047

4538

" #define LIST_HEAD(name) struct list_head name = LIST_HEAD_INIT(name)",

4048

4539

" ",

4049

" In the case of list_head-type lists, the \"next\" pointer is the address",

4050

" of the embedded list_head structure in the next structure, and not the",

4051

" address of the structure itself. The list typically ends when the",

4052

" list_head's next pointer points back to the LIST_HEAD address.",

4540

" In the case of list_head-linked lists, the \"list_head.next\" pointer is",

4541

" the address of a list_head structure that is embedded in the next data",

4542

" structure in the list, and not the address of the next data structure ",

4543

" itself. The starting point of the list may be:",

4544

"",

4545

" (a) an external, standalone, LIST_HEAD().",

4546

" (b) a list_head that is embedded within a data structure of the same",

4547

" type as the whole linked list.",

4548

" (c) a list_head that is embedded within a data structure that is",

4549

" different than the type of structures in the the linked list.",

4053

4550

" ",

4551

" The list typically ends when the embedded \"list_head.next\" pointer of",

4552

" a data structure in the linked list points back to the LIST_HEAD()",

4553

" address. However, some list_head-linked lists have no defined starting",

4554

" point, but just link back onto themselves in a circular manner.",

4555

"",

4054

4556

" This command can handle both types of linked list; in both cases the list",

4055

4557

" of addresses that are dumped are the addresses of the data structures",

4056

4558

" themselves.",

4057

" ",

4058

" The arguments are as follows:\n",

4559

"",

4560

" The arguments are as follows:",

4561

"",

4059

4562

" [-o] offset The offset within the structure to the \"next\" pointer",

4060

4563

" (default is 0). If non-zero, the offset may be entered",

4061

" in either of two manners:\n",

4062

" 1. In \"structure.member\" format; the \"-o\" is not necessary.",

4564

" in either of two manners:",

4565

"",

4566

" 1. In \"structure.member\" format; the \"-o\" is not necessary.",

4063

4567

" 2. A number of bytes; the \"-o\" is only necessary on processors",

4064

4568

" where the offset value could be misconstrued as a kernel",

4065

" virtual address.\n",

4569

" virtual address.",

4570

"",

4066

4571

" -e end If the list ends in a manner unlike the typical manners that",

4067

4572

" are described above, an explicit ending address value may be",

4068

4573

" entered.",

4069

4574

" -s struct For each address in list, format and print as this type of",

4070

" structure; use the \"struct.member\" format in order to display",

4575

" structure; use the \"struct.member\" format in order to display",

4071

4576

" a particular member of the structure. To display multiple",

4072

4577

" members of a structure, use a comma-separated list of members.",

4073

" ",

4074

" The meaning of the \"start\" argument, which can be expressed either",

4075

" symbolically or in hexadecimal format, depends upon whether the -H option",

4076

" is pre-pended or not:",

4077

" ",

4078

" start The address of the first structure in the list.",

4079

" -H start The address of the list_head structure, typically expressed",

4080

" symbolically, but also can be an expression evaluating to the",

4081

" address of the starting list_head structure.",

4578

" -x Override the default output format with hexadecimal format.",

4579

" -d Override the default output format with decimal format.",

4580

" ",

4581

" The meaning of the \"start\" argument, which can be expressed symbolically,",

4582

" in hexadecimal format, or an expression evaluating to an address, depends",

4583

" upon whether the -h or -H option is pre-pended:",

4584

" ",

4585

" start The address of the first data structure in the list.",

4586

" -H start The address of a list_head structure, typically that of an",

4587

" external, standalone LIST_HEAD(). The list typically ends ",

4588

" when the embedded \"list_head.next\" of a data structure in ",

4589

" the linked list points back to this \"start\" address.",

4590

" -h start The address of a data structure which contains an embedded",

4591

" list_head. The list typically ends when the embedded",

4592

" \"list_head.next\" of a data structure in the linked list ",

4593

" points back to the embedded list_head contained in the data",

4594

" structure whose address is this \"start\" argument.",

4595

"",

4596

"WARNING ",

4597

" When the \"-h start\" option is used, it is possible that the list_head-linked",

4598

" list will:",

4599

" ",

4600

" 1. pass through an external standalone LIST_HEAD(), or",

4601

" 2. pass through a list_head that is the actual starting list_head, but is",

4602

" contained within a data structure that is not the same type as all of",

4603

" the other data structures in the list.",

4604

" ",

4605

" When that occurs, the data structure address displayed for that list_head",

4606

" will be incorrect, because the \"-h start\" option presumes that all",

4607

" list_head structures in the list are contained within the same type of",

4608

" data structure. Furthermore, if the \"-s struct[.member[,member]\" option",

4609

" is used, it will display bogus data for that particular list_head.",

4082

4610

"\nEXAMPLES",

4083

4611

" Note that each task_struct is linked to its parent's task_struct via the",

4084

4612

" p_pptr member:",

4121

4649

" ",

4122

4650

" %s> p file_systems",

4123

4651

" file_systems = $1 = (struct file_system_type *) 0xc03adc90",

4124

" %s> list file_system_type.next -s file_system_type.name,fs_flags 0xc03adc90",

4652

" %s> list file_system_type.next -s file_system_type.name,fs_flags c03adc90",

4125

4653

" c03adc90",

4126

4654

" name = 0xc02c05c8 \"rootfs\",",

4127

4655

" fs_flags = 0x30,",

4200

4728

" f7254000",

4201

4729

" f7004000",

4202

4730

" ",

4203

" Lastly, in some kernel versions, the vfsmount structures of the mounted",

4731

" In some kernel versions, the vfsmount structures of the mounted",

4204

4732

" filesystems are linked by the LIST_HEAD \"vfsmntlist\", which uses the",

4205

4733

" mnt_list list_head of each vfsmount structure in the list. To dump each",

4206

4734

" vfsmount structure in the list, append the -s option:\n",

4241

4769

" f7445f60",

4242

4770

" struct vfsmount {",

4243

4771

" ...",

4772

" ",

4773

" The task_struct of every task in the system is linked into a circular list",

4774

" by its embedded \"tasks\" list_head. Show the task_struct addresses and the",

4775

" pids of all tasks in the system using \"-h\" option, starting with the ",

4776

" task_struct at ffff88012b98e040:\n",

4777

" %s> list task_struct.tasks -s task_struct.pid -h ffff88012b98e040",

4778

" ffff88012b98e040",

4779

" pid = 14187",

4780

" ffff8801277be0c0",

4781

" pid = 14248",

4782

" ffffffff81a2d020",

4783

" pid = 0",

4784

" ffff88012d7dd4c0",

4785

" pid = 1",

4786

" ffff88012d7dca80",

4787

" pid = 2",

4788

" ffff88012d7dc040",

4789

" pid = 3",

4790

" ffff88012d7e9500",

4791

" pid = 4",

4792

" ...",

4793

" ffff88012961a100",

4794

" pid = 14101",

4795

" ffff880129017580",

4796

" pid = 14134",

4797

" ffff8801269ed540",

4798

" pid = 14135",

4799

" ffff880128256080",

4800

" pid = 14138",

4801

" ffff88012b8f4100",

4802

" pid = 14183",

4244

4803

NULL

4245

4804

};

4246

4805

4806

char *help_tree[] = {

4807

"tree",

4808

"display radix tree or red-black tree",

4809

"-t [radix|rbtree] [-r offset] [-s struct[.member[,member]] -[x|d]]\n [-o offset] [-p] [-N] start",

4810

" This command dumps the contents of a radix tree or a red-black tree.",

4811

" The arguments are as follows:\n",

4812

" -t type The type of tree to dump; the type string can be either ",

4813

" \"radix\" or \"rbtree\", although only the first two characters",

4814

" are required.",

4815

" -r offset If the \"start\" argument is the address of a data structure that",

4816

" contains the radix_tree_root or rb_root structure, then this is",

4817

" the offset to that structure member. If the offset is non-zero,",

4818

" then this option is required. The offset may be entered in either",

4819

" of two manners:",

4820

" 1. In \"structure.member\" format.",

4821

" 2. A number of bytes.",

4822

" -o offset For red-black trees only, the offset of the rb_node within its ",

4823

" containing data structure; if the offset is non-zero, then this",

4824

" option is required. The offset may be entered in either of two",

4825

" manners:",

4826

" 1. In \"structure.member\" format.",

4827

" 2. A number of bytes.",

4828

" This option is not applicable to radix trees.",

4829

" -s struct For each entry in a tree, format and print it as this type of data",

4830

" structure; use the \"struct.member\" format in order to display a",

4831

" particular member of the structure. To display multiple members",

4832

" of a structure, use a comma-separated list of members.",

4833

" -x Override default output format with hexadecimal format.",

4834

" -d Override default output format with decimal format.",

4835

" -p Display the node's position information, showing the relationship",

4836

" between it and the root. For red-black trees, a position that",

4837

" indicates \"root/l/r\" means that the node is the right child",

4838

" of the left child of the root node. For radix trees, the height",

4839

" and slot index values are shown with respect to the root.",

4840

" ",

4841

" The meaning of the \"start\" argument, which can be expressed either in",

4842

" hexadecimal format or symbolically, depends upon whether the -N option",

4843

" is prepended:",

4844

" ",

4845

" start The address of a radix_tree_root or rb_root structure, or the",

4846

" address of a structure containing the radix_tree_root or rb_root",

4847

" structure; if the latter, then the \"-r offset\" option must be",

4848

" used if the member offset of the root structure is non-zero.",

4849

" ",

4850

" -N start The address of the structure radix_tree_node or rb_node, bypassing",

4851

" the radix_tree_root or rb_root that points to it.",

4852

"",

4853

"\nEXAMPLES",

4854

" The vmap_area_root is a standalone rb_root structure. Display the ",

4855

" virtual addresses of each vmap_area in its red-black tree:\n",

4856

" %s> whatis vmap_area_root",

4857

" struct rb_root vmap_area_root;",

4858

" %s> tree -t rbtree -o vmap_area.rb_node vmap_area_root",

4859

" ffff880128c508c0",

4860

" ffff88012cb68140",

4861

" ffff88012c9afec0",

4862

" ffff88012d65c440",

4863

" ...",

4864

"",

4865

" Display the vmap_area's va_start and va_end members of each of",

4866

" the entries above expressing the vmap_area.rb_node offset as a",

4867

" number of bytes:\n",

4868

" %s> tree -t rbtree -o 24 vmap_area_root -s vmap_area.va_start,va_end",

4869

" ffff880128c508c0",

4870

" va_start = 0xffffc90014900000",

4871

" va_end = 0xffffc90014921000",

4872

" ffff88012cb68140",

4873

" va_start = 0xffffc900110c0000",

4874

" va_end = 0xffffc900110d1000",

4875

" ffff88012c9afec0",

4876

" va_start = 0xffffc90000640000",

4877

" va_end = 0xffffc90000642000",

4878

" ffff88012d65c440",

4879

" va_start = 0xffffc90000620000",

4880

" va_end = 0xffffc90000622000",

4881

" ...",

4882

"",

4883

" Alternatively, use the -N option with the rb_node address contained",

4884

" in the vmap_area_root structure:\n",

4885

" %s> p vmap_area_root",

4886

" vmap_area_root = $8 = {",

4887

" rb_node = 0xffff880128c508d8",

4888

" }",

4889

" %s> tree -t rbtree -o vmap_area.rb_node -N 0xffff880128c508d8",

4890

" ffff880128c508c0",

4891

" ffff88012cb68140",

4892

" ffff88012c9afec0",

4893

" ffff88012d65c440",

4894

" ",

4895

" Display the virtual address of each vm_area_struct in the red-black",

4896

" tree that has its root inside an mm_struct located at ffff880128b5a300.",

4897

" The vm_area_struct.vm_rb rb_node member has an offset of 0x38 bytes:\n",

4898

" %s> tree -t rbtree -r mm_struct.mm_rb ffff880128b5a300 -o 0x38",

4899

" ffff88012a0de080",

4900

" ffff880123e3ac78",

4901

" ffff880123e3a700",

4902

" ffff88012b2837c8",

4903

" ...",

4904

" ffff880128c02ed0",

4905

" ffff8801292e7958",

4906

" ffff880123e3a318",

4907

" ffff880123e3ad40",

4908

" ",

4909

" Add the -p option to the command above to show postion information:\n",

4910

" %s> tree -t rbtree -r mm_struct.mm_rb ffff880128b5a300 -o 0x38 -p",

4911

" ffff88012a0de080",

4912

" position: root",

4913

" ffff880123e3ac78",

4914

" position: root/l",

4915

" ffff880123e3a700",

4916

" position: root/l/l",

4917

" ffff88012b2837c8",

4918

" position: root/l/l/l",

4919

" ...",

4920

" ffff880128c02ed0",

4921

" position: root/r/r/l/r",

4922

" ffff8801292e7958",

4923

" position: root/r/r/l/r/r",

4924

" ffff880123e3a318",

4925

" position: root/r/r/r",

4926

" ffff880123e3ad40",

4927

" position: root/r/r/r/r",

4928

"",

4929

" Display a list of the page structs in the radix tree of an address_space",

4930

" structure located at ffff88012d364de0:\n",

4931

" %s> tree -t radix -r address_space.page_tree ffff88012d364de0",

4932

" ffffea00040d12c0",

4933

" ffffea00040d9a60",

4934

" ffffea00040d9b08",

4935

" ffffea000407eda8",

4936

" ffffea0004084288",

4937

" ...",

4938

" ffffea000407bc70",

4939

" ffffea00040baf48",

4940

" ffffea0004043f48",

4941

" ffffea000407de58",

4942

" ",

4943

" Add the -p option to the command above to show postion information:\n",

4944

" %s> tree -t radix -r address_space.page_tree ffff88012d364de0 -p",

4945

" ffffea00040d12c0",

4946

" position: root/0/0",

4947

" ffffea00040d9a60",

4948

" position: root/0/1",

4949

" ffffea00040d9b08",

4950

" position: root/0/2",

4951

" ffffea000407eda8",

4952

" position: root/0/3",

4953

" ffffea0004084288",

4954

" position: root/0/4",

4955

" ...",

4956

" ffffea000407bc70",

4957

" position: root/3/25",

4958

" ffffea00040baf48",

4959

" position: root/3/26",

4960

" ffffea0004043f48",

4961

" position: root/3/27",

4962

" ffffea000407de58",

4963

" position: root/3/28",

4964

"",

4965

" Alternatively, take the address of the radix_tree_node from the",

4966

" radix_tree_root structure in the address_space structure above,",

4967

" and display the tree with the -N option:\n",

4968

" %s> struct address_space.page_tree ffff88012d364de0",

4969

" page_tree = {",

4970

" height = 0x2, ",

4971

" gfp_mask = 0x20, ",

4972

" rnode = 0xffff8801238add71",

4973

" }",

4974

" %s> tree -t radix -N 0xffff8801238add71",

4975

" ffffea00040d12c0",

4976

" ffffea00040d9a60",

4977

" ffffea00040d9b08",

4978

" ffffea000407eda8",

4979

" ffffea0004084288",

4980

" ffffea00040843a0",

4981

" ...",

4982

" ",

4983

" Using the same radix tree as above, display the flags and _count",

4984

" members of each page struct in the list, and force the output format",

4985

" to be hexadecimal:\n",

4986

" %s> tree -t radix -N 0xffff8801238add71 -s page.flags,_count -x",

4987

" ffffea00040d12c0",

4988

" flags = 0x4000000002006c",

4989

" _count = {",

4990

" counter = 0x7",

4991

" }",

4992

" ffffea00040d9a60",

4993

" flags = 0x4000000002006c",

4994

" _count = {",

4995

" counter = 0x7",

4996

" }",

4997

" ffffea00040d9b08",

4998

" flags = 0x4000000002006c",

4999

" _count = {",

5000

" counter = 0x7",

5001

" }",

5002

" ffffea000407eda8",

5003

" flags = 0x4000000002006c",

5004

" _count = {",

5005

" counter = 0x7",

5006

" }",

5007

" ...",

5008

NULL

5009

};

4247

5010

4248

5011

char *help_ptob[] = {

4249

5012

"ptob",

4263

5026

" This command passes its arguments directly to gdb for processing.",

4264

5027

" This is typically not necessary, but where ambiguities between %s and",

4265

5028

" gdb command names exist, this will force the command to be executed by gdb.",

5029

"",

5030

" Alternatively, if \"set gdb on\" is entered, the session will be run in a",

5031

" mode where all commands are passed directly to gdb. When running in that",

5032

" mode, native %s commands may be executed by preceding them with the",

5033

" \"crash\" directive. To restore native %s mode, enter \"set gdb off\".",

4266

5034

"\nEXAMPLES",

4267

5035

" %s> gdb help",

4268

5036

" List of classes of commands:",

4747

5515

char *help_dis[] = {

4748

5516

"dis",

4749

5517

"disassemble",

4750

"[-r][-l][-u][-b [num]] [address | symbol | (expression)] [count]",

5518

"[-rludx][-b [num]] [address | symbol | (expression)] [count]",

4751

5519

" This command disassembles source code instructions starting (or ending) at",

4752

5520

" a text address that may be expressed by value, symbol or expression:\n",

4753

5521

" -r (reverse) displays all instructions from the start of the ",

4757

5525

" -u address is a user virtual address in the current context;",

4758

5526

" otherwise the address is assumed to be a kernel virtual address.",

4759

5527

" If this option is used, then -r and -l are ignored.",

5528

" -x override default output format with hexadecimal format.",

5529

" -d override default output format with decimal format.",

4760

5530

" -b [num] modify the pre-calculated number of encoded bytes to skip after",

4761

5531

" a kernel BUG (\"ud2a\") instruction; with no argument, displays",

4762

5532

" the current number of bytes being skipped. (x86 and x86_64 only)",

4859

5629

" 0x81ec642: and $0x0,\%ecx",

4860

5630

" 0x81ec645: mov \%ecx,\%eax",

4861

5631

" ",

5632

" Override the current decimal output radix format:\n",

5633

" %s> dis sys_read 10 -x",

5634

" 0xffffffff8001178f <sys_read>: push %r13",

5635

" 0xffffffff80011791 <sys_read+0x2>: mov %rsi,%r13",

5636

" 0xffffffff80011794 <sys_read+0x5>: push %r12",

5637

" 0xffffffff80011796 <sys_read+0x7>: mov $0xfffffffffffffff7,%r12",

5638

" 0xffffffff8001179d <sys_read+0xe>: push %rbp",

5639

" 0xffffffff8001179e <sys_read+0xf>: mov %rdx,%rbp",

5640

" 0xffffffff800117a1 <sys_read+0x12>: push %rbx",

5641

" 0xffffffff800117a2 <sys_read+0x13>: sub $0x18,%rsp",

5642

" 0xffffffff800117a6 <sys_read+0x17>: lea 0x14(%rsp),%rsi",

5643

" 0xffffffff800117ab <sys_read+0x1c>: callq 0xffffffff8000b5b4 <fget_light>",

4862

5644

NULL

4863

5645

};

4864

5646

5074

5856

char *help_files[] = {

5075

5857

"files",

5076

5858

"open files",

5077

"[-l | -d dentry] | [-R reference] [pid | taskp] ... ",

5859

"[-d dentry] | [-R reference] [pid | taskp] ... ",

5078

5860

" This command displays information about open files of a context.",

5079

5861

" It prints the context's current root directory and current working",

5080

5862

" directory, and then for each open file descriptor it prints a pointer",

5083

5865

" the current context is used. The -R option, typically invoked from",

5084

5866

" \"foreach files\", searches for references to a supplied number, address,",

5085

5867

" or filename argument, and prints only the essential information leading",

5086

" up to and including the reference. The -l and -d options are not context",

5087

" specific, and only show the data requested.\n",

5088

" -l display files open by lockd server for client locks.",

5868

" up to and including the reference. The -d option is not context",

5869

" specific, and only shows the data requested.\n",

5089

5870

" -d dentry given a hexadecimal dentry address, display its inode,",

5090

5871

" super block, file type, and full pathname.",

5091

5872

" -R reference search for references to this file descriptor number,",

5194

5975

char *help_net[] = {

5195

5976

"net",

5196

5977

"network command",

5197

"[-a] [[-s | -S] [-R ref] [pid | taskp]] [-n addr]",

5978

"[-a] [[-s | -S [-xd]] [-R ref] [pid | taskp]] [-n addr]",

5198

5979

" Display various network related data:\n",

5199

5980

" -a display the ARP cache.",

5200

5981

" -s display open network socket/sock addresses, their family and type,",

5202

5983

" addresses and ports.",

5203

5984

" -S displays open network socket/sock addresses followed by a dump",

5204

5985

" of both structures.",

5986

" -x override default output format with hexadecimal format.",

5987

" -d override default output format with decimal format.",

5205

5988

" -n addr translates an IPv4 address expressed as a decimal or hexadecimal",

5206

5989

" value into a standard numbers-and-dots notation.",

5207

5990

" -R ref socket or sock address, or file descriptor.",

5221

6004

" ",

5222

6005

" Dump the ARP cache:\n",

5223

6006

" %s> net -a",

5224

" IP ADDRESS HW TYPE HW ADDRESS DEVICE STATE",

5225

" 0.0.0.0 UNKNOWN 00 00 00 00 00 00 lo 40 (NOARP)",

5226

" 192.168.1.1 ETHER 00:50:54:fe:ef:23 eth0 04 (STALE)",

5227

" 192.168.1.10 ETHER 00:90:27:9c:6c:79 eth0 02 (REACHABLE)",

5228

" 192.168.1.118 ETHER 00:c0:4f:60:00:e2 eth0 02 (REACHABLE)",

6007

" NEIGHBOUR IP ADDRESS HW TYPE HW ADDRESS DEVICE STATE",

6008

" f38d1b00 10.16.64.14 ETHER 00:16:3e:4b:a5:4a eth1 STALE",

6009

" f38d1080 0.0.0.0 UNKNOWN 00 00 00 00 00 00 lo NOARP",

6010

" f38d1bc0 10.16.71.254 ETHER 00:00:0c:07:ac:00 eth1 REACHABLE",

6011

" f38d1200 10.16.64.21 ETHER 00:16:3e:51:d8:09 eth1 REACHABLE",

5229

6012

" ",

5230

6013

" Display the sockets for PID 2517, using both -s and -S output formats:\n",

5231

6014

" %s> net -s 2517",

5467

6250

5468

6251

if (helpflag & SYNOPSIS) {

5469

6252

p++;

5470

fprintf(fp, "Usage: %s ", cmd);

6253

fprintf(fp, "Usage:\n %s ", cmd);

5471

6254

fprintf(fp, *p, pc->program_name, pc->program_name);

5472

6255

fprintf(fp, "\nEnter \"help %s\" for details.\n", cmd);

5473

6256

RESTART();

5545

6328

"the CTRL-p and CTRL-n keys instead of the up- and down-arrow keys; in vi mode",

5546

6329

"you can enter <ESC>, then \"k\" to cycle back, or \"j\" to cycle forward.",

5547

6330

" ",

5548

"Lastly, a set of %s commands may be entered into a regular file that can",

5549

"used as input, again using standard command line syntax:\n",

6331

"A set of %s commands may be entered into a regular file that can be used as",

6332

"input, using standard command line syntax:\n",

5550

6333

" %s> < inputfile\n",

5551

6334

"An input file may be also be run from the %s command line using the -i ",

5552

6335

"option:\n",

5553

6336

" $ %s -i inputfile",

5554

6337

"",

6338

"Alternatively, an input file containing command arguments may be created.",

6339

"The arguments in the input file will be passed to the command specified,",

6340

"which will be executed repetetively for each line of arguments in the file:",

6341

"",

6342

" %s> ps -p < inputfile",

6343

"",

5555

6344

"Lastly, if a command is entered that is not recognized, it is checked against",

5556

6345

"the kernel's list of variables, structure, union or typedef names, and if ",

5557

6346

"found, the command is passed to p, struct, union or whatis. That being the ",

5558

6347

"case, as long as a kernel variable/structure/union name is different than any",

5559

6348

"of the current commands, the appropriate command above will be executed. If",

5560

6349

"not, the command will be passed on to the built-in gdb command for execution.",

6350

"If an input line starts with \"#\" or \"//\", then the line will be saved",

6351

"as a comment that is visible when re-cycling through the history list.",

5561

6352

NULL

5562

6353

};

5563

6354

5643

6434

static

5644

6435

char *version_info[] = {

5645

6436

5646

5647

6437

6438

5648

6439

5649

6440

5650

6441

5651

6442

5652

6443

5653

6444

5654

6445

"This program is free software, covered by the GNU General Public License,",