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  • Committer: Chuck Short
  • Date: 2010-09-28 20:38:39 UTC
  • Revision ID: zulcss@ubuntu.com-20100928203839-pgjulytsi9ue63x1
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examples/perfcounter/perf_writer_mem.c
 
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/* 
 
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 *  Unix SMB/CIFS implementation.
 
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 *  Performance Counter Daemon
 
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 *
 
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 *  Copyright (C) Marcin Krzysztof Porwit    2005
 
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 *  
 
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 *  This program is free software; you can redistribute it and/or modify
 
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 *  it under the terms of the GNU General Public License as published by
 
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 *  the Free Software Foundation; either version 3 of the License, or
 
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 *  (at your option) any later version.
 
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 *  
 
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 *  This program is distributed in the hope that it will be useful,
 
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 *  GNU General Public License for more details.
 
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 *  
 
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 *  You should have received a copy of the GNU General Public License
 
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 *  along with this program; if not, see <http://www.gnu.org/licenses/>.
 
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 */
 
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#include "perf.h"
 
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void get_meminfo(PERF_DATA_BLOCK *data)
 
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{
 
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    int status;
 
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    struct sysinfo info;
 
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    status = sysinfo(&info);
 
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    data->memInfo.data->availPhysKb = (info.freeram * info.mem_unit)/1024;
 
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    data->memInfo.data->availSwapKb = (info.freeswap * info.mem_unit)/1024;
 
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    data->memInfo.data->totalPhysKb = (info.totalram * info.mem_unit)/1024;
 
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    data->memInfo.data->totalSwapKb = (info.totalswap * info.mem_unit)/1024;
 
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    /* Also get uptime since we have the structure */
 
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    data->PerfTime = (unsigned long)info.uptime;
 
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    return;
 
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}
 
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void init_memdata_desc(PERF_DATA_BLOCK *data)
 
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{
 
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    init_perf_counter(&(data->memInfo.memObjDesc),
 
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                      &(data->memInfo.memObjDesc),
 
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                      get_counter_id(data),
 
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                      "Memory",
 
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                      "The Memory performance object consists of counters that describe the behavior of physical and virtual memory on the computer.",
 
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                      0,
 
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                      PERF_OBJECT);
 
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    init_perf_counter(&(data->memInfo.availPhysKb),
 
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                      &(data->memInfo.memObjDesc),
 
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                      get_counter_id(data),
 
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                      "Available Physical Kilobytes",
 
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                      "Available Physical Kilobytes is the number of free kilobytes in physical memory",
 
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                      PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX,
 
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                      PERF_COUNTER);
 
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    init_perf_counter(&(data->memInfo.availSwapKb),
 
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                      &(data->memInfo.memObjDesc),
 
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                      get_counter_id(data),
 
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                      "Available Swap Kilobytes",
 
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                      "Available Swap Kilobytes is the number of free kilobytes in swap space",
 
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                      PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX,
 
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                      PERF_COUNTER);
 
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    init_perf_counter(&(data->memInfo.totalPhysKb),
 
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                      &(data->memInfo.memObjDesc),
 
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                      get_counter_id(data),
 
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                      "Total Physical Kilobytes",
 
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                      "Total Physical Kilobytes is a base counter",
 
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                      PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_COUNTER_BASE | PERF_DISPLAY_NOSHOW,
 
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                      PERF_COUNTER);
 
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    init_perf_counter(&(data->memInfo.totalSwapKb),
 
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                      &(data->memInfo.memObjDesc),
 
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                      get_counter_id(data),
 
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                      "Total Swap Kilobytes",
 
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                      "Total Swap Kilobytes is a base counter",
 
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                      PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_COUNTER_BASE | PERF_DISPLAY_NOSHOW,
 
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                      PERF_COUNTER);
 
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    return;
 
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}
 
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void init_mem_data(PERF_DATA_BLOCK *data)
 
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{
 
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    data->memInfo.data = calloc(1, sizeof(*data->memInfo.data));
 
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    if(!data->memInfo.data)
 
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    {
 
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        perror("init_memdata: out of memory");
 
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        exit(1);
 
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    }
 
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    init_memdata_desc(data);
 
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    get_meminfo(data);
 
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    return;
 
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}
 
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void output_mem_desc(PERF_DATA_BLOCK *data, RuntimeSettings rt)
 
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{
 
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    output_perf_desc(data->memInfo.memObjDesc, rt);
 
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    output_perf_desc(data->memInfo.availPhysKb, rt);
 
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    output_perf_desc(data->memInfo.availSwapKb, rt);
 
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    output_perf_desc(data->memInfo.totalPhysKb, rt);
 
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    output_perf_desc(data->memInfo.totalSwapKb, rt);
 
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    return;
 
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}
 
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void output_meminfo(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags)
 
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{
 
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    output_perf_counter(data->memInfo.availPhysKb, 
 
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                        (unsigned long long)data->memInfo.data->availPhysKb, 
 
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                        rt, tdb_flags);
 
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    output_perf_counter(data->memInfo.availSwapKb, 
 
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                        (unsigned long long)data->memInfo.data->availSwapKb,
 
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                        rt, tdb_flags);
 
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    output_perf_counter(data->memInfo.totalPhysKb,
 
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                        (unsigned long long)data->memInfo.data->totalPhysKb,
 
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                        rt, tdb_flags);
 
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    output_perf_counter(data->memInfo.totalSwapKb,
 
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                        (unsigned long long)data->memInfo.data->totalSwapKb,
 
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                        rt, tdb_flags);
 
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    return;
 
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}