85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
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#ifndef _WIN_TIMING_H
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#define _WIN_TIMING_H
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#include <stdlib.h>
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#include <intrin.h>
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#pragma intrinsic(__rdtsc)
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#if defined(__cplusplus)
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extern "C"
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{
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#endif
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#define EPOCHFILETIME (116444736000000000LL)
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struct timezone
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{
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int tz_minuteswest; /* minutes W of Greenwich */
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int tz_dsttime; /* type of dst correction */
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};
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struct timeval
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{
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long tv_sec; /* seconds */
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long tv_usec; /* and microseconds */
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};
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#define ENODATA 61
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#define RUSAGE_SELF 0
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#define RUSAGE_CHILDREN -1
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typedef struct rusage
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{
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struct timeval ru_utime; /* user time used */
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struct timeval ru_stime; /* system time used */
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long ru_maxrss; /* integral max resident set size */
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long ru_ixrss; /* integral shared text memory size */
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long ru_idrss; /* integral unshared data size */
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long ru_isrss; /* integral unshared stack size */
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long ru_minflt; /* page reclaims */
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long ru_majflt; /* page faults */
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long ru_nswap; /* swaps */
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long ru_inblock; /* block input operations */
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long ru_oublock; /* block output operations */
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long ru_msgsnd; /* messages sent */
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long ru_msgrcv; /* messages received */
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long ru_nsignals;/* signals received */
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long ru_nvcsw; /* voluntary context switches */
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long ru_nivcsw; /* involuntary context switches */
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} rusage;
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/* Windows Timing Using The Performance & Time Stamp Counters */
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extern double seconds_per_cycle;
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extern double seconds_per_tick;
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int lock_thread_to_core(void);
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int unlock_thread_from_core(void);
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void init_timing(void);
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void start_timing(void);
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double end_timing(void);
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void set_timing_cycles(void);
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void set_timing_seconds(void);
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/* Map to Linux Timing Interface */
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extern char speed_time_string[];
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extern int speed_precision;
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extern double speed_cycletime;
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#define speed_unittime seconds_per_tick
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#define speed_time_init init_timing
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#define speed_starttime start_timing
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#define speed_endtime end_timing
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#define speed_cycletime_need_cycles set_timing_cycles
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#define speed_cycletime_need_seconds set_timing_seconds
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int get_processor_info(char *cpu_id, char *cpu_name, double *cycles_per_second);
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int gettimeofday(struct timeval *tv, struct timezone *tz);
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int getrusage(int who, rusage *usage);
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#if defined(__cplusplus)
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}
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#endif
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#endif
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