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/* Copyright (C) 2008, 2009 Sun Microsystems, Inc
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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; version 2 of the License.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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rdtsc3 -- multi-platform timer code
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pgulutzan@mysql.com, 2005-08-29
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#define C_MODE_START G_BEGIN_DECLS
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#define C_MODE_END G_END_DECLS
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typedef guint64 ulonglong;
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typedef ulong_t ulong;
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#else /* HAVE_ULONG_T */
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typedef guint32 ulong;
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#endif /* HAVE_ULONG_T */
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#endif /* HAVE_ULONG */
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This structure contains the characteristics of all the supported timers.
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/** Routine used for the cycle timer. */
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ulonglong cycles_routine;
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/** Overhead of the cycle timer. */
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ulonglong cycles_overhead;
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/** Frequency of the cycle timer. */
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ulonglong cycles_frequency;
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/** Resolution of the cycle timer. */
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ulonglong cycles_resolution;
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/** Routine used for the nanosecond timer. */
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ulonglong nanoseconds_routine;
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/** Overhead of the nanosecond timer. */
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ulonglong nanoseconds_overhead;
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/** Frequency of the nanosecond timer. */
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ulonglong nanoseconds_frequency;
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/** Resolution of the nanosecond timer. */
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ulonglong nanoseconds_resolution;
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/** Routine used for the microsecond timer. */
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ulonglong microseconds_routine;
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/** Overhead of the microsecond timer. */
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ulonglong microseconds_overhead;
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/** Frequency of the microsecond timer. */
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ulonglong microseconds_frequency;
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/** Resolution of the microsecond timer. */
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ulonglong microseconds_resolution;
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/** Routine used for the millisecond timer. */
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ulonglong milliseconds_routine;
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/** Overhead of the millisecond timer. */
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ulonglong milliseconds_overhead;
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/** Frequency of the millisecond timer. */
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ulonglong milliseconds_frequency;
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/** Resolution of the millisecond timer. */
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ulonglong milliseconds_resolution;
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/** Routine used for the tick timer. */
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ulonglong ticks_routine;
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/** Overhead of the tick timer. */
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ulonglong ticks_overhead;
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/** Frequency of the tick timer. */
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ulonglong ticks_frequency;
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/** Resolution of the tick timer. */
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ulonglong ticks_resolution;
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typedef struct my_timer_info MY_TIMER_INFO;
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@return the current timer value, in cycles.
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ulonglong my_timer_cycles(void);
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@return the current timer value, in nanoseconds.
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ulonglong my_timer_nanoseconds(void);
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A microseconds timer.
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@return the current timer value, in microseconds.
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ulonglong my_timer_microseconds(void);
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@return the current timer value, in milliseconds.
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ulonglong my_timer_milliseconds(void);
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@return the current timer value, in ticks.
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ulonglong my_timer_ticks(void);
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Timer initialization function.
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@param [out] mti the timer characteristics.
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void my_timer_init(MY_TIMER_INFO *mti);
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#define MY_TIMER_ROUTINE_ASM_X86 1
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#define MY_TIMER_ROUTINE_ASM_X86_64 2
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#define MY_TIMER_ROUTINE_RDTSCLL 3
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#define MY_TIMER_ROUTINE_ASM_X86_WIN 4
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#define MY_TIMER_ROUTINE_RDTSC 5
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#define MY_TIMER_ROUTINE_ASM_IA64 6
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#define MY_TIMER_ROUTINE_ASM_PPC 7
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#define MY_TIMER_ROUTINE_SGI_CYCLE 8
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#define MY_TIMER_ROUTINE_GETHRTIME 9
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#define MY_TIMER_ROUTINE_READ_REAL_TIME 10
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#define MY_TIMER_ROUTINE_CLOCK_GETTIME 11
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#define MY_TIMER_ROUTINE_NXGETTIME 12
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#define MY_TIMER_ROUTINE_GETTIMEOFDAY 13
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#define MY_TIMER_ROUTINE_QUERYPERFORMANCECOUNTER 14
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#define MY_TIMER_ROUTINE_GETTICKCOUNT 15
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#define MY_TIMER_ROUTINE_TIME 16
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#define MY_TIMER_ROUTINE_TIMES 17
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#define MY_TIMER_ROUTINE_FTIME 18
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#define MY_TIMER_ROUTINE_ASM_PPC64 19
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#define MY_TIMER_ROUTINE_ASM_SUNPRO_SPARC64 20
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#define MY_TIMER_ROUTINE_ASM_SUNPRO_SPARC32 21
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#define MY_TIMER_ROUTINE_ASM_SUNPRO_I386 22
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#define MY_TIMER_ROUTINE_ASM_GCC_SPARC64 23
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#define MY_TIMER_ROUTINE_ASM_GCC_SPARC32 24
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#define MY_TIMER_ROUTINE_MACH_ABSOLUTE_TIME 25
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#define MY_TIMER_ROUTINE_GETSYSTEMTIMEASFILETIME 26
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#define MY_TIMER_ROUTINE_ASM_SUNPRO_X86_64 27
added
removed
src/my_rdtsc.h
