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yap-6.3/os/time.c

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#include "sysbits.h"
#ifdef SIMICS
#ifdef HAVE_GETRUSAGE
#undef HAVE_GETRUSAGE
#endif
#ifdef HAVE_TIMES
#undef HAVE_TIMES
#endif
#endif /* SIMICS */
#ifdef _WIN32
#if HAVE_GETRUSAGE
#undef HAVE_GETRUSAGE
#endif
#endif
#if HAVE_GETRUSAGE
#if HAVE_SYS_TIMES_H
#include <sys/times.h>
#endif
#if HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
#if THREADS
#define StartOfTimes (*(LOCAL_ThreadHandle.start_of_timesp))
#define last_time (*(LOCAL_ThreadHandle.last_timep))
#define StartOfTimes_sys (*(LOCAL_ThreadHandle.start_of_times_sysp))
#define last_time_sys (*(LOCAL_ThreadHandle.last_time_sysp))
#else
/* since the point YAP was started */
static struct timeval StartOfTimes;
/* since last call to runtime */
static struct timeval last_time;
/* same for system time */
static struct timeval last_time_sys;
static struct timeval StartOfTimes_sys;
#endif
/* store user time in this variable */
void
Yap_InitTime (int wid)
{
struct rusage rusage;
#if THREADS
REMOTE_ThreadHandle(wid).start_of_timesp = (struct timeval *)malloc(sizeof(struct timeval));
REMOTE_ThreadHandle(wid).last_timep = (struct timeval *)malloc(sizeof(struct timeval));
REMOTE_ThreadHandle(wid).start_of_times_sysp = (struct timeval *)malloc(sizeof(struct timeval));
REMOTE_ThreadHandle(wid).last_time_sysp = (struct timeval *)malloc(sizeof(struct timeval));
getrusage(RUSAGE_SELF, &rusage);
(*REMOTE_ThreadHandle(wid).last_timep).tv_sec =
(*REMOTE_ThreadHandle(wid).start_of_timesp).tv_sec =
rusage.ru_utime.tv_sec;
(*REMOTE_ThreadHandle(wid).last_timep).tv_usec =
(*REMOTE_ThreadHandle(wid).start_of_timesp).tv_usec =
rusage.ru_utime.tv_usec;
(*REMOTE_ThreadHandle(wid).last_time_sysp).tv_sec =
(*REMOTE_ThreadHandle(wid).start_of_times_sysp).tv_sec =
rusage.ru_stime.tv_sec;
(*REMOTE_ThreadHandle(wid).last_time_sysp).tv_usec =
(*REMOTE_ThreadHandle(wid).start_of_times_sysp).tv_usec =
rusage.ru_stime.tv_usec;
#else
getrusage(RUSAGE_SELF, &rusage);
last_time.tv_sec =
StartOfTimes.tv_sec =
rusage.ru_utime.tv_sec;
last_time.tv_usec =
StartOfTimes.tv_usec =
rusage.ru_utime.tv_usec;
last_time_sys.tv_sec =
StartOfTimes_sys.tv_sec =
rusage.ru_stime.tv_sec;
last_time_sys.tv_usec =
StartOfTimes_sys.tv_usec =
rusage.ru_stime.tv_usec;
#endif
}
UInt
Yap_cputime ( void )
{
CACHE_REGS
struct rusage rusage;
getrusage(RUSAGE_SELF, &rusage);
return((rusage.ru_utime.tv_sec - StartOfTimes.tv_sec)) * 1000 +
((rusage.ru_utime.tv_usec - StartOfTimes.tv_usec) / 1000);
}
void Yap_cputime_interval(Int *now,Int *interval)
{
CACHE_REGS
struct rusage rusage;
getrusage(RUSAGE_SELF, &rusage);
*now = (rusage.ru_utime.tv_sec - StartOfTimes.tv_sec) * 1000 +
(rusage.ru_utime.tv_usec - StartOfTimes.tv_usec) / 1000;
*interval = (rusage.ru_utime.tv_sec - last_time.tv_sec) * 1000 +
(rusage.ru_utime.tv_usec - last_time.tv_usec) / 1000;
last_time.tv_usec = rusage.ru_utime.tv_usec;
last_time.tv_sec = rusage.ru_utime.tv_sec;
}
void Yap_systime_interval(Int *now,Int *interval)
{
CACHE_REGS
struct rusage rusage;
getrusage(RUSAGE_SELF, &rusage);
*now = (rusage.ru_stime.tv_sec - StartOfTimes_sys.tv_sec) * 1000 +
(rusage.ru_stime.tv_usec - StartOfTimes_sys.tv_usec) / 1000;
*interval = (rusage.ru_stime.tv_sec - last_time_sys.tv_sec) * 1000 +
(rusage.ru_stime.tv_usec - last_time_sys.tv_usec) / 1000;
last_time_sys.tv_usec = rusage.ru_stime.tv_usec;
last_time_sys.tv_sec = rusage.ru_stime.tv_sec;
}
#elif defined(_WIN32)
#ifdef __GNUC__
/* This is stolen from the Linux kernel.
The problem is that mingw32 does not seem to have acces to div */
#ifndef do_div
#define do_div(n,base) ({ \
unsigned long __upper, __low, __high, __mod; \
asm("":"=a" (__low), "=d" (__high):"A" (n)); \
__upper = __high; \
if (__high) { \
__upper = __high % (base); \
__high = __high / (base); \
} \
asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (base), "0" (__low), "1" (__upper)); \
asm("":"=A" (n):"a" (__low),"d" (__high)); \
__mod; \
})
#endif
#endif
#include <time.h>
static FILETIME StartOfTimes, last_time;
static FILETIME StartOfTimes_sys, last_time_sys;
static clock_t TimesStartOfTimes, Times_last_time;
/* store user time in this variable */
static void
InitTime (int wid)
{
HANDLE hProcess = GetCurrentProcess();
FILETIME CreationTime, ExitTime, KernelTime, UserTime;
if (!GetProcessTimes(hProcess, &CreationTime, &ExitTime, &KernelTime, &UserTime)) {
/* WIN98 */
clock_t t;
t = clock ();
Times_last_time = TimesStartOfTimes = t;
} else {
#if THREADS
REMOTE_ThreadHandle(wid).start_of_timesp = (struct _FILETIME *)malloc(sizeof(FILETIME));
REMOTE_ThreadHandle(wid).last_timep = (struct _FILETIME *)malloc(sizeof(FILETIME));
REMOTE_ThreadHandle(wid).start_of_times_sysp = (struct _FILETIME *)malloc(sizeof(FILETIME));
REMOTE_ThreadHandle(wid).last_time_sysp = (struct _FILETIME *)malloc(sizeof(FILETIME));
(*REMOTE_ThreadHandle(wid).last_timep).dwLowDateTime =
UserTime.dwLowDateTime;
(*REMOTE_ThreadHandle(wid).last_timep).dwHighDateTime =
UserTime.dwHighDateTime;
(*REMOTE_ThreadHandle(wid).start_of_timesp).dwLowDateTime =
UserTime.dwLowDateTime;
(*REMOTE_ThreadHandle(wid).start_of_timesp).dwHighDateTime =
UserTime.dwHighDateTime;
(*REMOTE_ThreadHandle(wid).last_time_sysp).dwLowDateTime =
KernelTime.dwLowDateTime;
(*REMOTE_ThreadHandle(wid).last_time_sysp).dwHighDateTime =
KernelTime.dwHighDateTime;
(*REMOTE_ThreadHandle(wid).start_of_times_sysp).dwLowDateTime =
KernelTime.dwLowDateTime;
(*REMOTE_ThreadHandle(wid).start_of_times_sysp).dwHighDateTime =
KernelTime.dwHighDateTime;
#else
last_time.dwLowDateTime =
UserTime.dwLowDateTime;
last_time.dwHighDateTime =
UserTime.dwHighDateTime;
StartOfTimes.dwLowDateTime =
UserTime.dwLowDateTime;
StartOfTimes.dwHighDateTime =
UserTime.dwHighDateTime;
last_time_sys.dwLowDateTime =
KernelTime.dwLowDateTime;
last_time_sys.dwHighDateTime =
KernelTime.dwHighDateTime;
StartOfTimes_sys.dwLowDateTime =
KernelTime.dwLowDateTime;
StartOfTimes_sys.dwHighDateTime =
KernelTime.dwHighDateTime;
#endif
}
}
#ifdef __GNUC__
static unsigned long long int
sub_utime(FILETIME t1, FILETIME t2)
{
ULARGE_INTEGER u[2];
memcpy((void *)u,(void *)&t1,sizeof(FILETIME));
memcpy((void *)(u+1),(void *)&t2,sizeof(FILETIME));
return
u[0].QuadPart - u[1].QuadPart;
}
#endif
UInt
Yap_cputime ( void )
{
HANDLE hProcess = GetCurrentProcess();
FILETIME CreationTime, ExitTime, KernelTime, UserTime;
if (!GetProcessTimes(hProcess, &CreationTime, &ExitTime, &KernelTime, &UserTime)) {
clock_t t;
t = clock ();
return(((t - TimesStartOfTimes)*1000) / CLOCKS_PER_SEC);
} else {
#ifdef __GNUC__
unsigned long long int t =
sub_utime(UserTime,StartOfTimes);
do_div(t,10000);
return((Int)t);
#endif
#ifdef _MSC_VER
__int64 t = *(__int64 *)&UserTime - *(__int64 *)&StartOfTimes;
return((Int)(t/10000));
#endif
}
}
void Yap_cputime_interval(Int *now,Int *interval)
{
HANDLE hProcess = GetCurrentProcess();
FILETIME CreationTime, ExitTime, KernelTime, UserTime;
if (!GetProcessTimes(hProcess, &CreationTime, &ExitTime, &KernelTime, &UserTime)) {
clock_t t;
t = clock ();
*now = ((t - TimesStartOfTimes)*1000) / CLOCKS_PER_SEC;
*interval = (t - Times_last_time) * 1000 / CLOCKS_PER_SEC;
Times_last_time = t;
} else {
#ifdef __GNUC__
unsigned long long int t1 =
sub_utime(UserTime, StartOfTimes);
unsigned long long int t2 =
sub_utime(UserTime, last_time);
do_div(t1,10000);
*now = (Int)t1;
do_div(t2,10000);
*interval = (Int)t2;
#endif
#ifdef _MSC_VER
__int64 t1 = *(__int64 *)&UserTime - *(__int64 *)&StartOfTimes;
__int64 t2 = *(__int64 *)&UserTime - *(__int64 *)&last_time;
*now = (Int)(t1/10000);
*interval = (Int)(t2/10000);
#endif
last_time.dwLowDateTime = UserTime.dwLowDateTime;
last_time.dwHighDateTime = UserTime.dwHighDateTime;
}
}
void Yap_systime_interval(Int *now,Int *interval)
{
HANDLE hProcess = GetCurrentProcess();
FILETIME CreationTime, ExitTime, KernelTime, UserTime;
if (!GetProcessTimes(hProcess, &CreationTime, &ExitTime, &KernelTime, &UserTime)) {
*now = *interval = 0; /* not available */
} else {
#ifdef __GNUC__
unsigned long long int t1 =
sub_utime(KernelTime, StartOfTimes_sys);
unsigned long long int t2 =
sub_utime(KernelTime, last_time_sys);
do_div(t1,10000);
*now = (Int)t1;
do_div(t2,10000);
*interval = (Int)t2;
#endif
#ifdef _MSC_VER
__int64 t1 = *(__int64 *)&KernelTime - *(__int64 *)&StartOfTimes_sys;
__int64 t2 = *(__int64 *)&KernelTime - *(__int64 *)&last_time_sys;
*now = (Int)(t1/10000);
*interval = (Int)(t2/10000);
#endif
last_time_sys.dwLowDateTime = KernelTime.dwLowDateTime;
last_time_sys.dwHighDateTime = KernelTime.dwHighDateTime;
}
}
#elif HAVE_TIMES
#if defined(_WIN32)
#include <time.h>
#define TicksPerSec CLOCKS_PER_SEC
#else
#if HAVE_SYS_TIMES_H
#include <sys/times.h>
#endif
#endif
#if defined(__sun__) && (defined(__svr4__) || defined(__SVR4))
#if HAVE_LIMITS_H
#include <limits.h>
#endif
#define TicksPerSec CLK_TCK
#endif
#if defined(__alpha) || defined(__FreeBSD__) || defined(__linux__) || defined(__DragonFly__)
#if HAVE_TIME_H
#include <time.h>
#endif
#define TicksPerSec sysconf(_SC_CLK_TCK)
#endif
#if !TMS_IN_SYS_TIME
#if HAVE_SYS_TIMES_H
#include <sys/times.h>
#endif
#endif
static clock_t StartOfTimes, last_time;
static clock_t StartOfTimes_sys, last_time_sys;
/* store user time in this variable */
static void
InitTime (void)
{
struct tms t;
times (&t);
(*REMOTE_ThreadHandle(wid).last_timep) = StartOfTimes = t.tms_utime;
last_time_sys = StartOfTimes_sys = t.tms_stime;
}
UInt
Yap_cputime (void)
{
struct tms t;
times(&t);
return((t.tms_utime - StartOfTimes)*1000 / TicksPerSec);
}
void Yap_cputime_interval(Int *now,Int *interval)
{
struct tms t;
times (&t);
*now = ((t.tms_utime - StartOfTimes)*1000) / TicksPerSec;
*interval = (t.tms_utime - last_time) * 1000 / TicksPerSec;
last_time = t.tms_utime;
}
void Yap_systime_interval(Int *now,Int *interval)
{
struct tms t;
times (&t);
*now = ((t.tms_stime - StartOfTimes_sys)*1000) / TicksPerSec;
*interval = (t.tms_stime - last_time_sys) * 1000 / TicksPerSec;
last_time_sys = t.tms_stime;
}
#else /* HAVE_TIMES */
#ifdef SIMICS
#include <sys/time.h>
/* since the point YAP was started */
static struct timeval StartOfTimes;
/* since last call to runtime */
static struct timeval last_time;
/* store user time in this variable */
static void
InitTime (int wid)
{
struct timeval tp;
gettimeofday(&tp,NULL);
(*REMOTE_ThreadHandle(wid).last_timep).tv_sec = (*REMOTE_ThreadHandle.start_of_timesp(wid)).tv_sec = tp.tv_sec;
(*REMOTE_ThreadHandle(wid).last_timep).tv_usec = (*REMOTE_ThreadHandle.start_of_timesp(wid)).tv_usec = tp.tv_usec;
}
UInt
Yap_cputime (void)
{
struct timeval tp;
gettimeofday(&tp,NULL);
if (StartOfTimes.tv_usec > tp.tv_usec)
return((tp.tv_sec - StartOfTimes.tv_sec - 1) * 1000 +
(StartOfTimes.tv_usec - tp.tv_usec) /1000);
else
return((tp.tv_sec - StartOfTimes.tv_sec)) * 1000 +
((tp.tv_usec - StartOfTimes.tv_usec) / 1000);
}
void Yap_cputime_interval(Int *now,Int *interval)
{
struct timeval tp;
gettimeofday(&tp,NULL);
*now = (tp.tv_sec - StartOfTimes.tv_sec) * 1000 +
(tp.tv_usec - StartOfTimes.tv_usec) / 1000;
*interval = (tp.tv_sec - last_time.tv_sec) * 1000 +
(tp.tv_usec - last_time.tv_usec) / 1000;
last_time.tv_usec = tp.tv_usec;
last_time.tv_sec = tp.tv_sec;
}
void Yap_systime_interval(Int *now,Int *interval)
{
*now = *interval = 0; /* not available */
}
#endif /* SIMICS */
#ifdef COMMENTED_OUT
/* This code is not working properly. I left it here to help future ports */
#ifdef MPW
#include <files.h>
#include <Events.h>
#define TicksPerSec 60.0
static double
real_cputime ()
{
return (((double) TickCount ()) / TicksPerSec);
}
#endif /* MPW */
#ifdef LATTICE
#include "osbind.h"
static long *ptime;
gettime ()
{
*ptime = *(long *) 0x462;
}
static double
real_cputime ()
{
long thetime;
ptime = &thetime;
xbios (38, gettime);
return (((double) thetime) / (Getrez () == 2 ? 70 : 60));
}
#endif /* LATTICE */
#ifdef M_WILLIAMS
#include <osbind.h>
#include <xbios.h>
static long *ptime;
static long
readtime ()
{
return (*((long *) 0x4ba));
}
static double
real_cputime ()
{
long time;
time = Supexec (readtime);
return (time / 200.0);
}
#endif /* M_WILLIAMS */
#ifdef LIGHT
#undef FALSE
#undef TRUE
#include <FileMgr.h>
#define TicksPerSec 60.0
static double
real_cputime ()
{
return (((double) TickCount ()) / TicksPerSec);
}
#endif /* LIGHT */
#endif /* COMMENTED_OUT */
#endif /* HAVE_GETRUSAGE */
#if HAVE_GETHRTIME
#if HAVE_TIME_H
#include <time.h>
#endif
/* since the point YAP was started */
static hrtime_t StartOfWTimes;
/* since last call to walltime */
#define LastWTime (*(hrtime_t *)ALIGN_BY_TYPE(GLOBAL_LastWTimePtr,hrtime_t))
static void
Yap_InitWTime (void)
{
StartOfWTimes = gethrtime();
}
static void
Yap_InitLastWTime(void) {
/* ask for twice the space in order to guarantee alignment */
GLOBAL_LastWTimePtr = (void *)Yap_AllocCodeSpace(2*sizeof(hrtime_t));
LastWTime = StartOfWTimes;
}
Int
Yap_walltime (void)
{
hrtime_t tp = gethrtime();
/* return time in milliseconds */
return((Int)((tp-StartOfWTimes)/((hrtime_t)1000000)));
}
void Yap_walltime_interval(Int *now,Int *interval)
{
hrtime_t tp = gethrtime();
/* return time in milliseconds */
*now = (Int)((tp-StartOfWTimes)/((hrtime_t)1000000));
*interval = (Int)((tp-LastWTime)/((hrtime_t)1000000));
LastWTime = tp;
}
#elif HAVE_GETTIMEOFDAY
/* since the point YAP was started */
static struct timeval StartOfWTimes;
/* since last call to walltime */
#define LastWTime (*(struct timeval *)GLOBAL_LastWTimePtr)
/* store user time in this variable */
void
Yap_InitWTime (void)
{
gettimeofday(&StartOfWTimes,NULL);
}
void
Yap_InitLastWTime(void) {
GLOBAL_LastWTimePtr = (void *)Yap_AllocCodeSpace(sizeof(struct timeval));
LastWTime.tv_usec = StartOfWTimes.tv_usec;
LastWTime.tv_sec = StartOfWTimes.tv_sec;
}
Int
Yap_walltime (void)
{
struct timeval tp;
gettimeofday(&tp,NULL);
if (StartOfWTimes.tv_usec > tp.tv_usec)
return((tp.tv_sec - StartOfWTimes.tv_sec - 1) * 1000 +
(StartOfWTimes.tv_usec - tp.tv_usec) /1000);
else
return((tp.tv_sec - StartOfWTimes.tv_sec)) * 1000 +
((tp.tv_usec - LastWTime.tv_usec) / 1000);
}
void Yap_walltime_interval(Int *now,Int *interval)
{
struct timeval tp;
gettimeofday(&tp,NULL);
*now = (tp.tv_sec - StartOfWTimes.tv_sec) * 1000 +
(tp.tv_usec - StartOfWTimes.tv_usec) / 1000;
*interval = (tp.tv_sec - LastWTime.tv_sec) * 1000 +
(tp.tv_usec - LastWTime.tv_usec) / 1000;
LastWTime.tv_usec = tp.tv_usec;
LastWTime.tv_sec = tp.tv_sec;
}
#elif defined(_WIN32)
#include <sys/timeb.h>
#include <time.h>
/* since the point YAP was started */
static struct _timeb StartOfWTimes;
/* since last call to walltime */
#define LastWTime (*(struct timeb *)GLOBAL_LastWTimePtr)
/* store user time in this variable */
static void
InitWTime (void)
{
_ftime(&StartOfWTimes);
}
static void
InitLastWTime(void) {
GLOBAL_LastWTimePtr = (void *)Yap_AllocCodeSpace(sizeof(struct timeb));
LastWTime.time = StartOfWTimes.time;
LastWTime.millitm = StartOfWTimes.millitm;
}
Int
Yap_walltime (void)
{
struct _timeb tp;
_ftime(&tp);
if (StartOfWTimes.millitm > tp.millitm)
return((tp.time - StartOfWTimes.time - 1) * 1000 +
(StartOfWTimes.millitm - tp.millitm));
else
return((tp.time - StartOfWTimes.time)) * 1000 +
((tp.millitm - LastWTime.millitm) / 1000);
}
void Yap_walltime_interval(Int *now,Int *interval)
{
struct _timeb tp;
_ftime(&tp);
*now = (tp.time - StartOfWTimes.time) * 1000 +
(tp.millitm - StartOfWTimes.millitm);
*interval = (tp.time - LastWTime.time) * 1000 +
(tp.millitm - LastWTime.millitm) ;
LastWTime.millitm = tp.millitm;
LastWTime.time = tp.time;
}
#elif HAVE_TIMES
static clock_t StartOfWTimes;
#define LastWTime (*(clock_t *)GLOBAL_LastWTimePtr)
/* store user time in this variable */
static void
InitWTime (void)
{
StartOfWTimes = times(NULL);
}
static void
InitLastWTime(void) {
GLOBAL_LastWTimePtr = (void *)Yap_AllocCodeSpace(sizeof(clock_t));
LastWTime = StartOfWTimes;
}
Int
Yap_walltime (void)
{
clock_t t;
t = times(NULL);
return ((t - StartOfWTimes)*1000 / TicksPerSec));
}
void Yap_walltime_interval(Int *now,Int *interval)
{
clock_t t;
t = times(NULL);
*now = ((t - StartOfWTimes)*1000) / TicksPerSec;
*interval = (t - GLOBAL_LastWTime) * 1000 / TicksPerSec;
}
#endif /* HAVE_TIMES */
void
Yap_ReInitWTime (void)
{
Yap_InitWTime();
if (Yap_global->LastWTimePtr_ != NULL)
Yap_FreeCodeSpace(Yap_global->LastWTimePtr_);
Yap_InitLastWTime();
}
void
Yap_InitTimePreds(void)
{
/* can only do after heap is initialized */
Yap_InitLastWTime();
}