*
* ---------------------------------------------------------------------------*/
-/* Alas, no. This source is non-posix.
- #include "PosixSource.h"
-*/
-
#include "Rts.h"
#include "RtsFlags.h"
#include "RtsUtils.h"
#include "ParTicky.h" /* ToDo: move into Rts.h */
#include "Profiling.h"
#include "Storage.h"
-
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#ifndef mingw32_HOST_OS
-# ifdef HAVE_SYS_TIMES_H
-# include <sys/times.h>
-# endif
-#endif
-
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-
-#ifdef __CYGWIN32__
-# ifdef HAVE_TIME_H
-# include <time.h>
-# endif
-#endif
-
-#if ! irix_HOST_OS && ! defined(mingw32_HOST_OS)
-# if defined(HAVE_SYS_RESOURCE_H)
-# include <sys/resource.h>
-# endif
-#endif
-
-#ifdef HAVE_SYS_TIMEB_H
-#include <sys/timeb.h>
-#endif
-
-#if HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-
-#if HAVE_WINDOWS_H
-#include <windows.h>
-#endif
-
-#if defined(PAR) || !(!defined(HAVE_GETRUSAGE) || irix_HOST_OS || defined(mingw32_HOST_OS) || defined(cygwin32_HOST_OS))
-#include <sys/resource.h>
-#endif
+#include "GetTime.h"
/* huh? */
#define BIG_STRING_LEN 512
-/* We're not trying to be terribly accurate here, using the
- * basic times() function to get a resolution of about 100ths of a
- * second, depending on the OS. A long int will do fine for holding
- * these values.
- */
-#define TICK_TYPE long int
-#define TICK_TO_DBL(t) ((double)(t) / TicksPerSecond)
-
-static int TicksPerSecond = 0;
+#define TICK_TO_DBL(t) ((double)(t) / TICKS_PER_SECOND)
-static TICK_TYPE ElapsedTimeStart = 0;
+static Ticks ElapsedTimeStart = 0;
-static TICK_TYPE InitUserTime = 0;
-static TICK_TYPE InitElapsedTime = 0;
-static TICK_TYPE InitElapsedStamp = 0;
+static Ticks InitUserTime = 0;
+static Ticks InitElapsedTime = 0;
+static Ticks InitElapsedStamp = 0;
-static TICK_TYPE MutUserTime = 0;
-static TICK_TYPE MutElapsedTime = 0;
-static TICK_TYPE MutElapsedStamp = 0;
+static Ticks MutUserTime = 0;
+static Ticks MutElapsedTime = 0;
+static Ticks MutElapsedStamp = 0;
-static TICK_TYPE ExitUserTime = 0;
-static TICK_TYPE ExitElapsedTime = 0;
+static Ticks ExitUserTime = 0;
+static Ticks ExitElapsedTime = 0;
static ullong GC_tot_alloc = 0;
static ullong GC_tot_copied = 0;
static ullong GC_tot_scavd_copied = 0;
-static TICK_TYPE GC_start_time = 0, GC_tot_time = 0; /* User GC Time */
-static TICK_TYPE GCe_start_time = 0, GCe_tot_time = 0; /* Elapsed GC time */
+static Ticks GC_start_time = 0, GC_tot_time = 0; /* User GC Time */
+static Ticks GCe_start_time = 0, GCe_tot_time = 0; /* Elapsed GC time */
#ifdef PROFILING
-static TICK_TYPE RP_start_time = 0, RP_tot_time = 0; /* retainer prof user time */
-static TICK_TYPE RPe_start_time = 0, RPe_tot_time = 0; /* retainer prof elap time */
+static Ticks RP_start_time = 0, RP_tot_time = 0; /* retainer prof user time */
+static Ticks RPe_start_time = 0, RPe_tot_time = 0; /* retainer prof elap time */
-static TICK_TYPE HC_start_time, HC_tot_time = 0; // heap census prof user time
-static TICK_TYPE HCe_start_time, HCe_tot_time = 0; // heap census prof elap time
+static Ticks HC_start_time, HC_tot_time = 0; // heap census prof user time
+static Ticks HCe_start_time, HCe_tot_time = 0; // heap census prof elap time
#endif
#ifdef PROFILING
static lnat GC_start_faults = 0, GC_end_faults = 0;
-static TICK_TYPE *GC_coll_times;
-
-static void getTimes( long *elapsed, long *user );
-static nat pageFaults(void);
+static Ticks *GC_coll_times;
static void statsPrintf( char *s, ... )
GNUC3_ATTRIBUTE(format (printf, 1, 2));
static void statsFlush( void );
static void statsClose( void );
-/* elapsedtime() -- The current elapsed time in seconds */
-
-#if defined(mingw32_HOST_OS) || defined(cygwin32_HOST_OS)
-#define HNS_PER_SEC 10000000LL /* FILETIMES are in units of 100ns */
-/* Convert FILETIMEs into secs */
-#define FT2longlong(ll,ft) \
- (ll)=(ft).dwHighDateTime; \
- (ll) <<= 32; \
- (ll) |= (ft).dwLowDateTime; \
- (ll) /= (unsigned long long) (HNS_PER_SEC / CLOCKS_PER_SEC)
-#endif
-
-#if defined(mingw32_HOST_OS) || defined(cygwin32_HOST_OS)
-/* cygwin32 or mingw32 version */
-static void
-getTimes( TICK_TYPE *elapsed, TICK_TYPE *user )
+Ticks stat_getElapsedGCTime(void)
{
- static int is_win9x = -1;
-
- FILETIME creationTime, exitTime, userTime, kernelTime = {0,0};
- long long int kT, uT;
-
- if (is_win9x < 0) {
- /* figure out whether we're on a Win9x box or not. */
- OSVERSIONINFO oi;
- BOOL b;
-
- /* Need to init the size field first.*/
- oi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
- b = GetVersionEx(&oi);
-
- is_win9x = ( (b && (oi.dwPlatformId & VER_PLATFORM_WIN32_WINDOWS)) ? 1 : 0);
- }
-
- if (is_win9x) {
- /* On Win9x, just attribute all running time to the user. */
- SYSTEMTIME st;
-
- GetSystemTime(&st);
- SystemTimeToFileTime(&st,&userTime);
- } else {
- /* ToDo: pin down elapsed times to just the OS thread(s) that
- are evaluating/managing Haskell code.
- */
- if (!GetProcessTimes (GetCurrentProcess(), &creationTime,
- &exitTime, &kernelTime, &userTime)) {
- /* Probably on a Win95 box..*/
- *elapsed = 0;
- *user = 0;
- return;
- }
- }
-
- FT2longlong(kT,kernelTime);
- FT2longlong(uT,userTime);
- *elapsed = uT + kT;
- *user = uT;
-
- if (is_win9x) {
- /* Adjust for the fact that we're using system time & not
- process time on Win9x. */
- *user -= ElapsedTimeStart;
- *elapsed -= ElapsedTimeStart;
- }
-}
-
-#else /* !win32 */
-
-static void
-getTimes( TICK_TYPE *user, TICK_TYPE *elapsed )
-{
-
-#ifndef HAVE_TIMES
- /* We will #ifdef around the fprintf for machines
- we *know* are unsupported. (WDP 94/05)
- */
- debugBelch("NOTE: `getTimes' does nothing!\n");
- return 0.0;
-
-#else /* not stumped */
- struct tms t;
- clock_t r = times(&t);
-
- *elapsed = r;
- *user = t.tms_utime;
-#endif
+ return GCe_tot_time;
}
-#endif /* !win32 */
/* mut_user_time_during_GC() and mut_user_time()
*
double
mut_user_time( void )
{
- TICK_TYPE user, elapsed;
- getTimes(&user, &elapsed);
+ Ticks user;
+ user = getProcessCPUTime();
return TICK_TO_DBL(user - GC_tot_time - PROF_VAL(RP_tot_time + HC_tot_time));
}
}
#endif /* PROFILING */
-static nat
-pageFaults(void)
-{
- /* ToDo (on NT): better, get this via the performance data
- that's stored in the registry. */
-# if !defined(HAVE_GETRUSAGE) || irix_HOST_OS || defined(mingw32_HOST_OS) || defined(cygwin32_HOST_OS)
- return 0;
-# else
- struct rusage t;
-
- getrusage(RUSAGE_SELF, &t);
- return(t.ru_majflt);
-# endif
-}
-
void
initStats(void)
{
statsPrintf(" bytes bytes bytes user elap user elap\n");
}
GC_coll_times =
- (TICK_TYPE *)stgMallocBytes(
- sizeof(TICK_TYPE)*RtsFlags.GcFlags.generations,
+ (Ticks *)stgMallocBytes(
+ sizeof(Ticks)*RtsFlags.GcFlags.generations,
"initStats");
for (i = 0; i < RtsFlags.GcFlags.generations; i++) {
GC_coll_times[i] = 0;
void
stat_startInit(void)
{
- TICK_TYPE user, elapsed;
-
- /* Determine TicksPerSecond ... */
-#if defined(CLK_TCK) /* defined by POSIX */
- TicksPerSecond = CLK_TCK;
-
-#elif defined(HAVE_SYSCONF)
- long ticks;
-
- ticks = sysconf(_SC_CLK_TCK);
- if ( ticks == -1 ) {
- debugBelch("stat_init: bad call to 'sysconf'!\n");
- stg_exit(EXIT_FAILURE);
- }
- TicksPerSecond = ticks;
-
-/* no "sysconf" or CLK_TCK; had better guess */
-#elif defined(HZ)
- TicksPerSecond = HZ;
+ Ticks elapsed;
-#elif defined(CLOCKS_PER_SEC)
- TicksPerSecond = CLOCKS_PER_SEC;
-
-#else /* had better guess wildly */
- /* We will #ifdef around the fprintf for machines
- we *know* are unsupported. (WDP 94/05)
- */
- debugBelch("NOTE: Guessing `TicksPerSecond = 60'!\n");
- TicksPerSecond = 60;
-#endif
-
- getTimes( &user, &elapsed );
+ elapsed = getProcessElapsedTime();
ElapsedTimeStart = elapsed;
}
void
stat_endInit(void)
{
- TICK_TYPE user, elapsed;
- getTimes( &user, &elapsed );
+ Ticks user, elapsed;
+
+ getProcessTimes(&user, &elapsed);
+
InitUserTime = user;
InitElapsedStamp = elapsed;
if (ElapsedTimeStart > elapsed) {
void
stat_startExit(void)
{
- TICK_TYPE user, elapsed;
- getTimes( &user, &elapsed );
+ Ticks user, elapsed;
+
+ getProcessTimes(&user, &elapsed);
MutElapsedStamp = elapsed;
MutElapsedTime = elapsed - GCe_tot_time -
PROF_VAL(RPe_tot_time + HCe_tot_time) - InitElapsedStamp;
if (MutElapsedTime < 0) { MutElapsedTime = 0; } /* sometimes -0.00 */
- /* for threads, we don't know the mutator time yet, we have to inspect
- * all the running threads to find out, and they haven't stopped
- * yet. So we just timestamp MutUserTime at this point so we can
- * calculate the EXIT time. The real MutUserTime is calculated
- * in stat_exit below.
- */
-#if defined(THREADED_RTS)
- MutUserTime = user;
-#else
MutUserTime = user - GC_tot_time - PROF_VAL(RP_tot_time + HC_tot_time) - InitUserTime;
if (MutUserTime < 0) { MutUserTime = 0; }
-#endif
}
void
stat_endExit(void)
{
- TICK_TYPE user, elapsed;
- getTimes( &user, &elapsed );
+ Ticks user, elapsed;
+
+ getProcessTimes(&user, &elapsed);
-#if defined(THREADED_RTS)
- ExitUserTime = user - MutUserTime;
-#else
ExitUserTime = user - MutUserTime - GC_tot_time - PROF_VAL(RP_tot_time + HC_tot_time) - InitUserTime;
-#endif
ExitElapsedTime = elapsed - MutElapsedStamp;
if (ExitUserTime < 0) {
ExitUserTime = 0;
stat_startGC(void)
{
nat bell = RtsFlags.GcFlags.ringBell;
- TICK_TYPE user, elapsed;
-
if (bell) {
if (bell > 1) {
}
#if defined(PROFILING) || defined(DEBUG)
- getTimes( &user, &elapsed );
- GC_start_time = user; /* needed in mut_user_time_during_GC() */
+ GC_start_time = getProcessCPUTime(); // needed in mut_user_time_during_GC()
#endif
if (RtsFlags.GcFlags.giveStats != NO_GC_STATS) {
#if !defined(PROFILING) && !defined(DEBUG)
- getTimes( &user, &elapsed );
- GC_start_time = user;
+ GC_start_time = getProcessCPUTime();
#endif
- GCe_start_time = elapsed;
+ GCe_start_time = getProcessElapsedTime();
if (RtsFlags.GcFlags.giveStats) {
- GC_start_faults = pageFaults();
+ GC_start_faults = getPageFaults();
}
}
}
stat_endGC (lnat alloc, lnat collect, lnat live, lnat copied,
lnat scavd_copied, lnat gen)
{
- TICK_TYPE user, elapsed;
-
if (RtsFlags.GcFlags.giveStats != NO_GC_STATS) {
- TICK_TYPE time, etime, gc_time, gc_etime;
+ Ticks time, etime, gc_time, gc_etime;
- getTimes( &user, &elapsed );
- time = user;
- etime = elapsed;
+ getProcessTimes(&time, &etime);
gc_time = time - GC_start_time;
gc_etime = etime - GCe_start_time;
if (RtsFlags.GcFlags.giveStats == VERBOSE_GC_STATS) {
- nat faults = pageFaults();
+ nat faults = getPageFaults();
statsPrintf("%9ld %9ld %9ld",
alloc*sizeof(W_), collect*sizeof(W_), live*sizeof(W_));
void
stat_startRP(void)
{
- TICK_TYPE user, elapsed;
- getTimes( &user, &elapsed );
+ Ticks user, elapsed;
+ getProcessTimes( &user, &elapsed );
RP_start_time = user;
RPe_start_time = elapsed;
#endif
double averageNumVisit)
{
- TICK_TYPE user, elapsed;
- getTimes( &user, &elapsed );
+ Ticks user, elapsed;
+ getProcessTimes( &user, &elapsed );
RP_tot_time += user - RP_start_time;
RPe_tot_time += elapsed - RPe_start_time;
void
stat_startHeapCensus(void)
{
- TICK_TYPE user, elapsed;
- getTimes( &user, &elapsed );
+ Ticks user, elapsed;
+ getProcessTimes( &user, &elapsed );
HC_start_time = user;
HCe_start_time = elapsed;
void
stat_endHeapCensus(void)
{
- TICK_TYPE user, elapsed;
- getTimes( &user, &elapsed );
+ Ticks user, elapsed;
+ getProcessTimes( &user, &elapsed );
HC_tot_time += user - HC_start_time;
HCe_tot_time += elapsed - HCe_start_time;
#endif /* PROFILING */
/* -----------------------------------------------------------------------------
- stat_workerStop
-
- Called under SMP when a worker thread finishes. We drop the timing
- stats for this thread into the taskTable struct for that thread.
- -------------------------------------------------------------------------- */
-
-void
-stat_getTimes ( long *currentElapsedTime,
- long *currentUserTime,
- long *elapsedGCTime )
-{
- getTimes(currentUserTime, currentElapsedTime);
- *elapsedGCTime = GCe_tot_time;
-}
-
-/* -----------------------------------------------------------------------------
Called at the end of execution
NOTE: number of allocations is not entirely accurate: it doesn't
void
stat_exit(int alloc)
{
- TICK_TYPE user, elapsed;
-
if (RtsFlags.GcFlags.giveStats != NO_GC_STATS) {
char temp[BIG_STRING_LEN];
- TICK_TYPE time;
- TICK_TYPE etime;
+ Ticks time;
+ Ticks etime;
nat g, total_collections = 0;
- getTimes( &user, &elapsed );
- etime = elapsed - ElapsedTimeStart;
+ getProcessTimes( &time, &etime );
+ etime -= ElapsedTimeStart;
GC_tot_alloc += alloc;
for (g = 0; g < RtsFlags.GcFlags.generations; g++)
total_collections += generations[g].collections;
- /* For THREADED_RTS, we have to get the user time from each Task
- * and try to work out the total time.
- */
-#if defined(THREADED_RTS)
- {
- Task *task;
- MutUserTime = 0.0;
- for (task = all_tasks; task != NULL; task = task->all_link) {
- MutUserTime += task->mut_time;
- }
- }
- time = MutUserTime + GC_tot_time + InitUserTime + ExitUserTime;
- if (MutUserTime < 0) { MutUserTime = 0; }
-#else
- time = user;
-#endif
-
/* avoid divide by zero if time is measured as 0.00 seconds -- SDM */
if (time == 0.0) time = 1;
if (etime == 0.0) etime = 1;
--- /dev/null
+/* -----------------------------------------------------------------------------
+ *
+ * (c) The GHC Team 2005
+ *
+ * Machine-dependent time measurement functions
+ *
+ * ---------------------------------------------------------------------------*/
+
+#include "PosixSource.h"
+#include "Rts.h"
+#include "GetTime.h"
+
+#ifdef HAVE_TIME_H
+# include <time.h>
+#endif
+
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+
+#if HAVE_SYS_RESOURCE_H
+# include <sys/resource.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#ifdef HAVE_SYS_TIMES_H
+# include <sys/times.h>
+#endif
+
+#if ! ((defined(HAVE_GETRUSAGE) && !irix_HOST_OS) || defined(HAVE_TIMES))
+#error No implementation for getProcessCPUTime() available.
+#endif
+
+#if (defined(HAVE_GETTIMEOFDAY) && defined(HAVE_GETRUSAGE) && !irix_HOST_OS)
+// we'll implement getProcessCPUTime() and getProcessElapsedTime()
+// separately, using getrusage() and gettimeofday() respectively
+
+Ticks getProcessCPUTime(void)
+{
+ struct rusage t;
+ getrusage(RUSAGE_SELF, &t);
+ return (t.ru_utime.tv_sec * TICKS_PER_SECOND +
+ ((Ticks)t.ru_utime.tv_usec * TICKS_PER_SECOND)/1000000);
+}
+
+Ticks getProcessElapsedTime(void)
+{
+ struct timeval tv;
+ gettimeofday(&tv, (struct timezone *) NULL);
+ return (tv.tv_sec * TICKS_PER_SECOND +
+ ((Ticks)tv.tv_usec * TICKS_PER_SECOND)/1000000);
+}
+
+void getProcessTimes(Ticks *user, Ticks *elapsed)
+{
+ *user = getProcessCPUTime();
+ *elapsed = getProcessElapsedTime();
+}
+
+#elif defined(HAVE_TIMES)
+
+// we'll use the old times() API.
+
+Ticks getProcessCPUTime(void)
+{
+ Ticks user, elapsed;
+ getProcessTimes(&user,&elapsed);
+ return user;
+}
+
+Ticks getProcessElapsedTime(void)
+{
+ Ticks user, elapsed;
+ getProcessTimes(&user,&elapsed);
+ return elapsed;
+}
+
+void getProcessTimes(Ticks *user, Ticks *elapsed)
+{
+ static nat ClockFreq = 0;
+
+ if (ClockFreq == 0) {
+#if defined(HAVE_SYSCONF)
+ long ticks;
+ ticks = sysconf(_SC_CLK_TCK);
+ if ( ticks == -1 ) {
+ errorBelch("sysconf\n");
+ stg_exit(EXIT_FAILURE);
+ }
+ ClockFreq = ticks;
+#elif defined(CLK_TCK) /* defined by POSIX */
+ ClockFreq = CLK_TCK;
+#elif defined(HZ)
+ ClockFreq = HZ;
+#elif defined(CLOCKS_PER_SEC)
+ ClockFreq = CLOCKS_PER_SEC;
+#else
+ errorBelch("can't get clock resolution");
+ stg_exit(EXIT_FAILURE);
+#endif
+ }
+
+ struct tms t;
+ clock_t r = times(&t);
+ *user = (((Ticks)t.tms_utime * TICKS_PER_SECOND) / ClockFreq);
+ *elapsed = (((Ticks)r * TICKS_PER_SECOND) / ClockFreq);
+}
+
+#endif // HAVE_TIMES
+
+Ticks getThreadCPUTime(void)
+{
+#ifdef HAVE_CLOCK_GETTIME
+ // clock_gettime() gives us per-thread CPU time. It isn't
+ // reliable on Linux, but it's the best we have.
+ struct timespec ts;
+ clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts);
+ return (ts.tv_sec * TICKS_PER_SECOND +
+ ts.tv_nsec / (1000000000/TICKS_PER_SECOND));
+#else
+ return getProcessCPUTime();
+#endif
+}
+
+nat
+getPageFaults(void)
+{
+#if !defined(HAVE_GETRUSAGE) || irix_HOST_OS
+ return 0;
+#else
+ struct rusage t;
+ getrusage(RUSAGE_SELF, &t);
+ return(t.ru_majflt);
+#endif
+}
+
projects / ghc-hetmet.git / commitdiff