/* -----------------------------------------------------------------------------
- * $Id: Stats.c,v 1.7 1999/02/09 12:49:23 simonm Exp $
+ * $Id: Stats.c,v 1.46 2002/08/19 16:02:26 simonmar Exp $
*
* (c) The GHC Team, 1998-1999
*
*
* ---------------------------------------------------------------------------*/
-#define NON_POSIX_SOURCE
+/* Alas, no. This source is non-posix.
+ #include "PosixSource.h"
+*/
#include "Rts.h"
#include "RtsFlags.h"
#include "RtsUtils.h"
#include "StoragePriv.h"
#include "MBlock.h"
-
-/**
- * Ian: For the moment we just want to ignore
- * these on Nemesis
- **/
-#ifdef _NEMESIS_OS_
-#ifdef HAVE_SYS_TIMES_H
-#undef HAVE_SYS_TIMES_H /* <sys/times.h> */
-#endif
-#ifdef HAVE_SYS_RESOURCE_H /* <sys/resource.h> */
-#undef HAVE_SYS_RESOURCE_H
-#endif
-#ifdef HAVE_SYS_TIME_H /* <sys/time.h> */
-#undef HAVE_SYS_TIME_H
-#endif
-#ifdef HAVE_SYS_TIMEB_H
-#undef HAVE_SYS_TIMEB_H /* <sys/timeb.h> */
-#endif
-#ifdef HAVE_UNISTD_H
-#undef HAVE_UNISTD_H /* <unistd.h> */
-#endif
-#ifdef HAVE_TIMES
-#undef HAVE_TIMES
-#endif
-#ifdef HAVE_FTIME
-#undef HAVE_FTIME
-#endif
-#ifdef HAVE_GETRUSAGE
-#undef HAVE_GETRUSAGE
-#endif
-#ifdef HAVE_SYSCONF
-#undef HAVE_SYSCONF
-#endif
-#endif /* _NEMESIS_OS_ */
-
+#include "Schedule.h"
#include "Stats.h"
+#include "ParTicky.h" /* ToDo: move into Rts.h */
+#include "Profiling.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
-#ifdef HAVE_SYS_TIMES_H
-#include <sys/times.h>
+#ifndef mingw32_TARGET_OS
+# ifdef HAVE_SYS_TIMES_H
+# include <sys/times.h>
+# endif
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
-#if defined(HAVE_SYS_RESOURCE_H) && ! irix_TARGET_OS
-#include <sys/resource.h>
+#ifdef __CYGWIN32__
+# ifdef HAVE_TIME_H
+# include <time.h>
+# endif
+#endif
+
+#if ! irix_TARGET_OS && ! defined(mingw32_TARGET_OS)
+# if defined(HAVE_SYS_RESOURCE_H)
+# include <sys/resource.h>
+# endif
#endif
#ifdef HAVE_SYS_TIMEB_H
#include <stdlib.h>
#endif
+#if HAVE_WINDOWS_H
+#include <windows.h>
+#endif
+
+#if defined(PAR) || !(!defined(HAVE_GETRUSAGE) || irix_TARGET_OS || defined(mingw32_TARGET_OS) || defined(cygwin32_TARGET_OS))
+#include <sys/resource.h>
+#endif
+
/* huh? */
#define BIG_STRING_LEN 512
-static StgDouble ElapsedTimeStart = 0.0;
-static StgDouble TicksPerSecond = 0.0;
+/* 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;
-static StgDouble InitUserTime = 0.0;
-static StgDouble InitElapsedTime = 0.0;
+static TICK_TYPE ElapsedTimeStart = 0;
+static TICK_TYPE CurrentElapsedTime = 0;
+static TICK_TYPE CurrentUserTime = 0;
-static ullong GC_tot_alloc = 0;
+static TICK_TYPE InitUserTime = 0;
+static TICK_TYPE InitElapsedTime = 0;
+static TICK_TYPE InitElapsedStamp = 0;
-static StgDouble GC_start_time, GC_tot_time = 0; /* User GC Time */
-static StgDouble GCe_start_time, GCe_tot_time = 0; /* Elapsed GC time */
+static TICK_TYPE MutUserTime = 0;
+static TICK_TYPE MutElapsedTime = 0;
+static TICK_TYPE MutElapsedStamp = 0;
-lnat MaxResidency = 0; /* in words; for stats only */
-lnat ResidencySamples = 0; /* for stats only */
+static TICK_TYPE ExitUserTime = 0;
+static TICK_TYPE ExitElapsedTime = 0;
+
+static ullong GC_tot_alloc = 0;
+static ullong GC_tot_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 */
+
+#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 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
+#endif
+
+#ifdef PROFILING
+#define PROF_VAL(x) (x)
+#else
+#define PROF_VAL(x) 0
+#endif
+
+static lnat MaxResidency = 0; // in words; for stats only
+static lnat AvgResidency = 0;
+static lnat ResidencySamples = 0; // for stats only
static lnat GC_start_faults = 0, GC_end_faults = 0;
-/* ToDo: convert this to use integers? --SDM */
+static TICK_TYPE *GC_coll_times;
+
+static void getTimes(void);
+static nat pageFaults(void);
/* elapsedtime() -- The current elapsed time in seconds */
-StgDouble
-elapsedtime(void)
+#if defined(mingw32_TARGET_OS) || defined(cygwin32_TARGET_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_TARGET_OS) || defined(cygwin32_TARGET_OS)
+/* cygwin32 or mingw32 version */
+static void
+getTimes(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..*/
+ CurrentElapsedTime = 0;
+ CurrentUserTime = 0;
+ return;
+ }
+ }
+
+ FT2longlong(kT,kernelTime);
+ FT2longlong(uT,userTime);
+ CurrentElapsedTime = uT + kT;
+ CurrentUserTime = uT;
+
+ if (is_win9x) {
+ /* Adjust for the fact that we're using system time & not
+ process time on Win9x. */
+ CurrentUserTime -= ElapsedTimeStart;
+ CurrentElapsedTime -= ElapsedTimeStart;
+ }
+}
+
+#else /* !win32 */
+
+static void
+getTimes(void)
{
-#if ! (defined(HAVE_TIMES) || defined(HAVE_FTIME))
+
+#ifndef HAVE_TIMES
/* We will #ifdef around the fprintf for machines
we *know* are unsupported. (WDP 94/05)
*/
- fprintf(stderr, "NOTE: `elapsedtime' does nothing!\n");
+ fprintf(stderr, "NOTE: `getTimes' does nothing!\n");
return 0.0;
#else /* not stumped */
-
-/* "ftime" may be nicer, but "times" is more standard;
- but, on a Sun, if you do not get the SysV one, you are *hosed*...
- */
-
-# if defined(HAVE_TIMES) && ! sunos4_TARGET_OS
struct tms t;
clock_t r = times(&t);
- return (((StgDouble)r)/TicksPerSecond - ElapsedTimeStart);
+ CurrentElapsedTime = r;
+ CurrentUserTime = t.tms_utime;
+#endif
-# else /* HAVE_FTIME */
- struct timeb t;
+}
+#endif /* !win32 */
- ftime(&t);
- return (fabs(t.time + 1e-3*t.millitm - ElapsedTimeStart));
+/* mut_user_time_during_GC() and mut_user_time()
+ *
+ * The former function can be used to get the current mutator time
+ * *during* a GC, i.e. between stat_startGC and stat_endGC. This is
+ * used in the heap profiler for accurately time stamping the heap
+ * sample.
+ *
+ * ATTENTION: mut_user_time_during_GC() relies on GC_start_time being
+ * defined in stat_startGC() - to minimise system calls,
+ * GC_start_time is, however, only defined when really needed (check
+ * stat_startGC() for details)
+ */
+double
+mut_user_time_during_GC( void )
+{
+ return TICK_TO_DBL(GC_start_time - GC_tot_time - PROF_VAL(RP_tot_time + HC_tot_time));
+}
+
+double
+mut_user_time( void )
+{
+ getTimes();
+ return TICK_TO_DBL(CurrentUserTime - GC_tot_time - PROF_VAL(RP_tot_time + HC_tot_time));
+}
-# endif /* HAVE_FTIME */
-#endif /* not stumped */
+#ifdef PROFILING
+/*
+ mut_user_time_during_RP() is similar to mut_user_time_during_GC();
+ it returns the MUT time during retainer profiling.
+ The same is for mut_user_time_during_HC();
+ */
+double
+mut_user_time_during_RP( void )
+{
+ return TICK_TO_DBL(RP_start_time - GC_tot_time - RP_tot_time - HC_tot_time);
}
+double
+mut_user_time_during_heap_census( void )
+{
+ return TICK_TO_DBL(HC_start_time - GC_tot_time - RP_tot_time - HC_tot_time);
+}
+#endif /* PROFILING */
+
static nat
-pagefaults(void)
+pageFaults(void)
{
-# if !defined(HAVE_GETRUSAGE) || irix_TARGET_OS
+ /* ToDo (on NT): better, get this via the performance data
+ that's stored in the registry. */
+# if !defined(HAVE_GETRUSAGE) || irix_TARGET_OS || defined(mingw32_TARGET_OS) || defined(cygwin32_TARGET_OS)
return 0;
# else
struct rusage t;
# endif
}
-/* ToDo: use gettimeofday on systems that support it (u-sec accuracy) */
+void
+initStats(void)
+{
+ nat i;
+ FILE *sf = RtsFlags.GcFlags.statsFile;
+
+ if (RtsFlags.GcFlags.giveStats >= VERBOSE_GC_STATS) {
+ fprintf(sf, " Alloc Collect Live GC GC TOT TOT Page Flts\n");
+ fprintf(sf, " bytes bytes bytes user elap user elap\n");
+ }
+ GC_coll_times =
+ (TICK_TYPE *)stgMallocBytes(
+ sizeof(TICK_TYPE)*RtsFlags.GcFlags.generations,
+ "initStats");
+ for (i = 0; i < RtsFlags.GcFlags.generations; i++) {
+ GC_coll_times[i] = 0;
+ }
+}
+
+/* -----------------------------------------------------------------------------
+ Initialisation time...
+ -------------------------------------------------------------------------- */
void
-start_time(void)
+stat_startInit(void)
{
- long ticks;
/* Determine TicksPerSecond ... */
-#ifdef HAVE_SYSCONF
+#if defined(CLK_TCK) /* defined by POSIX */
+ TicksPerSecond = CLK_TCK;
+
+#elif defined(HAVE_SYSCONF)
+ long ticks;
+
ticks = sysconf(_SC_CLK_TCK);
if ( ticks == -1 ) {
fprintf(stderr, "stat_init: bad call to 'sysconf'!\n");
stg_exit(EXIT_FAILURE);
}
- TicksPerSecond = (StgDouble) ticks;
+ TicksPerSecond = ticks;
-#else /* no "sysconf"; had better guess */
-# ifdef HZ
- TicksPerSecond = (StgDouble) (HZ);
+/* no "sysconf" or CLK_TCK; had better guess */
+#elif defined(HZ)
+ TicksPerSecond = HZ;
-# else /* had better guess wildly */
+#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)
*/
fprintf(stderr, "NOTE: Guessing `TicksPerSecond = 60'!\n");
- TicksPerSecond = 60.0;
-# endif
+ TicksPerSecond = 60;
#endif
- ElapsedTimeStart = elapsedtime();
+ getTimes();
+ ElapsedTimeStart = CurrentElapsedTime;
}
-
-void
-initStats(void)
+void
+stat_endInit(void)
{
- FILE *sf = RtsFlags.GcFlags.statsFile;
-
- if (RtsFlags.GcFlags.giveStats) {
- fprintf(sf, " Alloc Collect Live GC GC TOT TOT Page Flts\n");
- fprintf(sf, " bytes bytes bytes user elap user elap\n");
- }
-}
+ getTimes();
+ InitUserTime = CurrentUserTime;
+ InitElapsedStamp = CurrentElapsedTime;
+ if (ElapsedTimeStart > CurrentElapsedTime) {
+ InitElapsedTime = 0;
+ } else {
+ InitElapsedTime = CurrentElapsedTime - ElapsedTimeStart;
+ }
+}
+/* -----------------------------------------------------------------------------
+ stat_startExit and stat_endExit
+
+ These two measure the time taken in shutdownHaskell().
+ -------------------------------------------------------------------------- */
-StgDouble
-usertime(void)
+void
+stat_startExit(void)
{
-#if ! (defined(HAVE_GETRUSAGE) || defined(HAVE_TIMES))
- /* We will #ifdef around the fprintf for machines
- we *know* are unsupported. (WDP 94/05)
- */
- fprintf(stderr, "NOTE: `usertime' does nothing!\n");
- return 0.0;
-
-#else /* not stumped */
-
-# if defined(HAVE_TIMES)
- struct tms t;
-
- times(&t);
- return(((StgDouble)(t.tms_utime))/TicksPerSecond);
-
-#else /* HAVE_GETRUSAGE */
- struct rusage t;
-
- getrusage(RUSAGE_SELF, &t);
- return(t.ru_utime.tv_sec + 1e-6*t.ru_utime.tv_usec);
-
-# endif /* HAVE_GETRUSAGE */
-#endif /* not stumped */
+ getTimes();
+ MutElapsedStamp = CurrentElapsedTime;
+ MutElapsedTime = CurrentElapsedTime - GCe_tot_time -
+ PROF_VAL(RPe_tot_time + HCe_tot_time) - InitElapsedStamp;
+ if (MutElapsedTime < 0) { MutElapsedTime = 0; } /* sometimes -0.00 */
+
+ /* for SMP, 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.
+ */
+#ifdef SMP
+ MutUserTime = CurrentUserTime;
+#else
+ MutUserTime = CurrentUserTime - GC_tot_time - PROF_VAL(RP_tot_time + HC_tot_time) - InitUserTime;
+ if (MutUserTime < 0) { MutUserTime = 0; }
+#endif
}
-void
-end_init(void)
+void
+stat_endExit(void)
{
- InitUserTime = usertime();
- InitElapsedTime = elapsedtime();
- if (InitElapsedTime < 0.0) {
- InitElapsedTime = 0.0;
- }
+ getTimes();
+#ifdef SMP
+ ExitUserTime = CurrentUserTime - MutUserTime;
+#else
+ ExitUserTime = CurrentUserTime - MutUserTime - GC_tot_time - PROF_VAL(RP_tot_time + HC_tot_time) - InitUserTime;
+#endif
+ ExitElapsedTime = CurrentElapsedTime - MutElapsedStamp;
+ if (ExitUserTime < 0) {
+ ExitUserTime = 0;
+ }
+ if (ExitElapsedTime < 0) {
+ ExitElapsedTime = 0;
+ }
}
/* -----------------------------------------------------------------------------
static nat rub_bell = 0;
+/* initialise global variables needed during GC
+ *
+ * * GC_start_time is read in mut_user_time_during_GC(), which in turn is
+ * needed if either PROFILING or DEBUGing is enabled
+ */
void
stat_startGC(void)
{
- FILE *sf = RtsFlags.GcFlags.statsFile;
-
nat bell = RtsFlags.GcFlags.ringBell;
if (bell) {
}
}
- if (sf != NULL) {
- GC_start_time = usertime();
- GCe_start_time = elapsedtime();
+#if defined(PROFILING) || defined(DEBUG)
+ getTimes();
+ GC_start_time = CurrentUserTime; /* needed in mut_user_time_during_GC() */
+#endif
+
+ if (RtsFlags.GcFlags.giveStats != NO_GC_STATS) {
+#if !defined(PROFILING) && !defined(DEBUG)
+ getTimes();
+ GC_start_time = CurrentUserTime;
+#endif
+ GCe_start_time = CurrentElapsedTime;
if (RtsFlags.GcFlags.giveStats) {
- GC_start_faults = pagefaults();
+ GC_start_faults = pageFaults();
}
}
}
-------------------------------------------------------------------------- */
void
-stat_endGC(lnat alloc, lnat collect, lnat live, lnat gen)
+stat_endGC(lnat alloc, lnat collect, lnat live, lnat copied, lnat gen)
{
FILE *sf = RtsFlags.GcFlags.statsFile;
- if (sf != NULL) {
- StgDouble time = usertime();
- StgDouble etime = elapsedtime();
-
- if (RtsFlags.GcFlags.giveStats) {
- nat faults = pagefaults();
-
+ if (RtsFlags.GcFlags.giveStats != NO_GC_STATS) {
+ TICK_TYPE time, etime, gc_time, gc_etime;
+
+ getTimes();
+ time = CurrentUserTime;
+ etime = CurrentElapsedTime;
+ gc_time = time - GC_start_time;
+ gc_etime = etime - GCe_start_time;
+
+ if (RtsFlags.GcFlags.giveStats == VERBOSE_GC_STATS && sf != NULL) {
+ nat faults = pageFaults();
+
fprintf(sf, "%9ld %9ld %9ld",
alloc*sizeof(W_), collect*sizeof(W_), live*sizeof(W_));
fprintf(sf, " %5.2f %5.2f %7.2f %7.2f %4ld %4ld (Gen: %2ld)\n",
- (time-GC_start_time),
- (etime-GCe_start_time),
- time,
- etime,
+ TICK_TO_DBL(gc_time),
+ TICK_TO_DBL(gc_etime),
+ TICK_TO_DBL(time),
+ TICK_TO_DBL(etime - ElapsedTimeStart),
faults - GC_start_faults,
GC_start_faults - GC_end_faults,
gen);
fflush(sf);
}
- GC_tot_alloc += (ullong) alloc;
- GC_tot_time += time-GC_start_time;
- GCe_tot_time += etime-GCe_start_time;
+ GC_coll_times[gen] += gc_time;
+
+ GC_tot_copied += (ullong) copied;
+ GC_tot_alloc += (ullong) alloc;
+ GC_tot_time += gc_time;
+ GCe_tot_time += gc_etime;
+
+#ifdef SMP
+ {
+ nat i;
+ pthread_t me = pthread_self();
+
+ for (i = 0; i < RtsFlags.ParFlags.nNodes; i++) {
+ if (me == task_ids[i].id) {
+ task_ids[i].gc_time += gc_time;
+ task_ids[i].gc_etime += gc_etime;
+ break;
+ }
+ }
+ }
+#endif
if (gen == RtsFlags.GcFlags.generations-1) { /* major GC? */
- if (live > MaxResidency) {
- MaxResidency = live;
- }
- ResidencySamples++;
+ if (live > MaxResidency) {
+ MaxResidency = live;
+ }
+ ResidencySamples++;
+ AvgResidency += live;
}
}
}
/* -----------------------------------------------------------------------------
+ Called at the beginning of each Retainer Profiliing
+ -------------------------------------------------------------------------- */
+#ifdef PROFILING
+void
+stat_startRP(void)
+{
+ getTimes();
+ RP_start_time = CurrentUserTime;
+ RPe_start_time = CurrentElapsedTime;
+}
+#endif /* PROFILING */
+
+/* -----------------------------------------------------------------------------
+ Called at the end of each Retainer Profiliing
+ -------------------------------------------------------------------------- */
+
+#ifdef PROFILING
+void
+stat_endRP(
+ nat retainerGeneration,
+#ifdef DEBUG_RETAINER
+ nat maxCStackSize,
+ int maxStackSize,
+#endif
+ double averageNumVisit)
+{
+ getTimes();
+ RP_tot_time += CurrentUserTime - RP_start_time;
+ RPe_tot_time += CurrentElapsedTime - RPe_start_time;
+
+ fprintf(prof_file, "Retainer Profiling: %d, at %f seconds\n",
+ retainerGeneration, mut_user_time_during_RP());
+#ifdef DEBUG_RETAINER
+ fprintf(prof_file, "\tMax C stack size = %u\n", maxCStackSize);
+ fprintf(prof_file, "\tMax auxiliary stack size = %u\n", maxStackSize);
+#endif
+ fprintf(prof_file, "\tAverage number of visits per object = %f\n", averageNumVisit);
+}
+#endif /* PROFILING */
+
+/* -----------------------------------------------------------------------------
+ Called at the beginning of each heap census
+ -------------------------------------------------------------------------- */
+#ifdef PROFILING
+void
+stat_startHeapCensus(void)
+{
+ getTimes();
+ HC_start_time = CurrentUserTime;
+ HCe_start_time = CurrentElapsedTime;
+}
+#endif /* PROFILING */
+
+/* -----------------------------------------------------------------------------
+ Called at the end of each heap census
+ -------------------------------------------------------------------------- */
+#ifdef PROFILING
+void
+stat_endHeapCensus(void)
+{
+ getTimes();
+ HC_tot_time += CurrentUserTime - HC_start_time;
+ HCe_tot_time += CurrentElapsedTime - 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 task_ids struct for that thread.
+ -------------------------------------------------------------------------- */
+
+#if defined(SMP)
+void
+stat_workerStop(void)
+{
+ nat i;
+ pthread_t me = pthread_self();
+
+ getTimes();
+
+ for (i = 0; i < RtsFlags.ParFlags.nNodes; i++) {
+ if (task_ids[i].id == me) {
+ task_ids[i].mut_time = CurrentUserTime - task_ids[i].gc_time;
+ task_ids[i].mut_etime = CurrentElapsedTime
+ - GCe_tot_time
+ - task_ids[i].elapsedtimestart;
+ if (task_ids[i].mut_time < 0.0) { task_ids[i].mut_time = 0.0; }
+ if (task_ids[i].mut_etime < 0.0) { task_ids[i].mut_etime = 0.0; }
+ }
+ }
+}
+#endif
+
+#if defined(SMP)
+long int stat_getElapsedTime ()
+{
+ getTimes();
+ return CurrentElapsedTime;
+}
+#endif
+
+/* -----------------------------------------------------------------------------
Called at the end of execution
NOTE: number of allocations is not entirely accurate: it doesn't
stat_exit(int alloc)
{
FILE *sf = RtsFlags.GcFlags.statsFile;
+
+ if (RtsFlags.GcFlags.giveStats != NO_GC_STATS) {
- if (sf != NULL){
char temp[BIG_STRING_LEN];
- StgDouble time = usertime();
- StgDouble etime = elapsedtime();
- StgDouble MutTime, MutElapsedTime;
+ TICK_TYPE time;
+ TICK_TYPE etime;
+ nat g, total_collections = 0;
+
+ getTimes();
+ time = CurrentUserTime;
+ etime = CurrentElapsedTime - ElapsedTimeStart;
+
+ GC_tot_alloc += alloc;
/* avoid divide by zero if time is measured as 0.00 seconds -- SDM */
- if (time == 0.0) time = 0.0001;
- if (etime == 0.0) etime = 0.0001;
+ if (time == 0.0) time = 1;
+ if (etime == 0.0) etime = 1;
+ /* Count total garbage collections */
+ for (g = 0; g < RtsFlags.GcFlags.generations; g++)
+ total_collections += generations[g].collections;
+
+ /* For SMP, we have to get the user time from each thread
+ * and try to work out the total time.
+ */
+#ifdef SMP
+ { nat i;
+ MutUserTime = 0.0;
+ for (i = 0; i < RtsFlags.ParFlags.nNodes; i++) {
+ MutUserTime += task_ids[i].mut_time;
+ }
+ }
+ time = MutUserTime + GC_tot_time + InitUserTime + ExitUserTime;
+ if (MutUserTime < 0) { MutUserTime = 0; }
+#endif
- fprintf(sf, "%9ld %9.9s %9.9s",
- (lnat)alloc*sizeof(W_), "", "");
- fprintf(sf, " %5.2f %5.2f\n\n", 0.0, 0.0);
+ if (RtsFlags.GcFlags.giveStats >= VERBOSE_GC_STATS && sf != NULL) {
+ fprintf(sf, "%9ld %9.9s %9.9s", (lnat)alloc*sizeof(W_), "", "");
+ fprintf(sf, " %5.2f %5.2f\n\n", 0.0, 0.0);
+ }
- GC_tot_alloc += alloc;
+ if (RtsFlags.GcFlags.giveStats >= SUMMARY_GC_STATS && sf != NULL) {
+ ullong_format_string(GC_tot_alloc*sizeof(W_),
+ temp, rtsTrue/*commas*/);
+ fprintf(sf, "%11s bytes allocated in the heap\n", temp);
- ullong_format_string(GC_tot_alloc*sizeof(W_), temp, rtsTrue/*commas*/);
- fprintf(sf, "%11s bytes allocated in the heap\n", temp);
+ ullong_format_string(GC_tot_copied*sizeof(W_),
+ temp, rtsTrue/*commas*/);
+ fprintf(sf, "%11s bytes copied during GC\n", temp);
- if ( ResidencySamples > 0 ) {
- ullong_format_string(MaxResidency*sizeof(W_), temp, rtsTrue/*commas*/);
- fprintf(sf, "%11s bytes maximum residency (%ld sample(s))\n",
- temp,
- ResidencySamples);
- }
- fprintf(sf,"\n");
-
- { /* Count garbage collections */
- nat g;
- for (g = 0; g < RtsFlags.GcFlags.generations; g++) {
- fprintf(sf, "%11d collections in generation %d\n",
- generations[g].collections, g);
- }
- }
- fprintf(sf,"\n%11ld Mb total memory in use\n\n",
- mblocks_allocated * MBLOCK_SIZE / (1024 * 1024));
-
- MutTime = time - GC_tot_time - InitUserTime;
- if (MutTime < 0) { MutTime = 0; }
- MutElapsedTime = etime - GCe_tot_time - InitElapsedTime;
- if (MutElapsedTime < 0) { MutElapsedTime = 0; } /* sometimes -0.00 */
-
- fprintf(sf, " INIT time %6.2fs (%6.2fs elapsed)\n",
- InitUserTime, InitElapsedTime);
- fprintf(sf, " MUT time %6.2fs (%6.2fs elapsed)\n",
- MutTime, MutElapsedTime);
- fprintf(sf, " GC time %6.2fs (%6.2fs elapsed)\n",
- GC_tot_time, GCe_tot_time);
- fprintf(sf, " Total time %6.2fs (%6.2fs elapsed)\n\n",
- time, etime);
-
- fprintf(sf, " %%GC time %5.1f%% (%.1f%% elapsed)\n\n",
- GC_tot_time*100./time, GCe_tot_time*100./etime);
-
- if (time - GC_tot_time == 0.0)
- ullong_format_string(0, temp, rtsTrue/*commas*/);
- else
- ullong_format_string((ullong)(GC_tot_alloc*sizeof(W_)/
- (time - GC_tot_time)),
+ if ( ResidencySamples > 0 ) {
+ ullong_format_string(MaxResidency*sizeof(W_),
temp, rtsTrue/*commas*/);
+ fprintf(sf, "%11s bytes maximum residency (%ld sample(s))\n",
+ temp, ResidencySamples);
+ }
+ fprintf(sf,"\n");
+
+ /* Print garbage collections in each gen */
+ for (g = 0; g < RtsFlags.GcFlags.generations; g++) {
+ fprintf(sf, "%11d collections in generation %d (%6.2fs)\n",
+ generations[g].collections, g,
+ TICK_TO_DBL(GC_coll_times[g]));
+ }
+
+ fprintf(sf,"\n%11ld Mb total memory in use\n\n",
+ mblocks_allocated * MBLOCK_SIZE / (1024 * 1024));
+
+#ifdef SMP
+ {
+ nat i;
+ for (i = 0; i < RtsFlags.ParFlags.nNodes; i++) {
+ fprintf(sf, " Task %2d: MUT time: %6.2fs (%6.2fs elapsed)\n"
+ " GC time: %6.2fs (%6.2fs elapsed)\n\n",
+ i,
+ TICK_TO_DBL(task_ids[i].mut_time),
+ TICK_TO_DBL(task_ids[i].mut_etime),
+ TICK_TO_DBL(task_ids[i].gc_time),
+ TICK_TO_DBL(task_ids[i].gc_etime));
+ }
+ }
+#endif
- fprintf(sf, " Alloc rate %s bytes per MUT second\n\n", temp);
+ fprintf(sf, " INIT time %6.2fs (%6.2fs elapsed)\n",
+ TICK_TO_DBL(InitUserTime), TICK_TO_DBL(InitElapsedTime));
+ fprintf(sf, " MUT time %6.2fs (%6.2fs elapsed)\n",
+ TICK_TO_DBL(MutUserTime), TICK_TO_DBL(MutElapsedTime));
+ fprintf(sf, " GC time %6.2fs (%6.2fs elapsed)\n",
+ TICK_TO_DBL(GC_tot_time), TICK_TO_DBL(GCe_tot_time));
+#ifdef PROFILING
+ fprintf(sf, " RP time %6.2fs (%6.2fs elapsed)\n",
+ TICK_TO_DBL(RP_tot_time), TICK_TO_DBL(RPe_tot_time));
+ fprintf(sf, " PROF time %6.2fs (%6.2fs elapsed)\n",
+ TICK_TO_DBL(HC_tot_time), TICK_TO_DBL(HCe_tot_time));
+#endif
+ fprintf(sf, " EXIT time %6.2fs (%6.2fs elapsed)\n",
+ TICK_TO_DBL(ExitUserTime), TICK_TO_DBL(ExitElapsedTime));
+ fprintf(sf, " Total time %6.2fs (%6.2fs elapsed)\n\n",
+ TICK_TO_DBL(time), TICK_TO_DBL(etime));
+ fprintf(sf, " %%GC time %5.1f%% (%.1f%% elapsed)\n\n",
+ TICK_TO_DBL(GC_tot_time)*100/TICK_TO_DBL(time),
+ TICK_TO_DBL(GCe_tot_time)*100/TICK_TO_DBL(etime));
+
+ if (time - GC_tot_time - PROF_VAL(RP_tot_time + HC_tot_time) == 0)
+ ullong_format_string(0, temp, rtsTrue/*commas*/);
+ else
+ ullong_format_string(
+ (ullong)((GC_tot_alloc*sizeof(W_))/
+ TICK_TO_DBL(time - GC_tot_time -
+ PROF_VAL(RP_tot_time + HC_tot_time))),
+ temp, rtsTrue/*commas*/);
+
+ fprintf(sf, " Alloc rate %s bytes per MUT second\n\n", temp);
+
+ fprintf(sf, " Productivity %5.1f%% of total user, %.1f%% of total elapsed\n\n",
+ TICK_TO_DBL(time - GC_tot_time -
+ PROF_VAL(RP_tot_time + HC_tot_time) - InitUserTime) * 100
+ / TICK_TO_DBL(time),
+ TICK_TO_DBL(time - GC_tot_time -
+ PROF_VAL(RP_tot_time + HC_tot_time) - InitUserTime) * 100
+ / TICK_TO_DBL(etime));
+ }
+
+ if (RtsFlags.GcFlags.giveStats == ONELINE_GC_STATS && sf != NULL) {
+ /* print the long long separately to avoid bugginess on mingwin (2001-07-02, mingw-0.5) */
+ fprintf(sf, "<<ghc: %llu bytes, ", GC_tot_alloc*sizeof(W_));
+ fprintf(sf, "%d GCs, %ld/%ld avg/max bytes residency (%ld samples), %luM in use, %.2f INIT (%.2f elapsed), %.2f MUT (%.2f elapsed), %.2f GC (%.2f elapsed) :ghc>>\n",
+ total_collections,
+ ResidencySamples == 0 ? 0 :
+ AvgResidency*sizeof(W_)/ResidencySamples,
+ MaxResidency*sizeof(W_),
+ ResidencySamples,
+ (unsigned long)(mblocks_allocated * MBLOCK_SIZE / (1024L * 1024L)),
+ TICK_TO_DBL(InitUserTime), TICK_TO_DBL(InitElapsedTime),
+ TICK_TO_DBL(MutUserTime), TICK_TO_DBL(MutElapsedTime),
+ TICK_TO_DBL(GC_tot_time), TICK_TO_DBL(GCe_tot_time));
+ }
- fprintf(sf, " Productivity %5.1f%% of total user, %.1f%% of total elapsed\n\n",
- (time - GC_tot_time - InitUserTime) * 100. / time,
- (time - GC_tot_time - InitUserTime) * 100. / etime);
fflush(sf);
- fclose(sf);
+ if (sf != stderr) {
+ fclose(sf);
+ }
}
}
Produce some detailed info on the state of the generational GC.
-------------------------------------------------------------------------- */
+#ifdef DEBUG
void
-stat_describe_gens(void)
+statDescribeGens(void)
{
nat g, s, mut, mut_once, lge, live;
StgMutClosure *m;
bdescr *bd;
step *step;
- fprintf(stderr, " Gen Steps Max Mutable Mut-Once Step Blocks Live Large\n Blocks Closures Closures Objects\n");
+ fprintf(stderr, " Gen Steps Max Mutable Mut-Once Step Blocks Live Large\n Blocks Closures Closures Objects\n");
for (g = 0; g < RtsFlags.GcFlags.generations; g++) {
for (m = generations[g].mut_list, mut = 0; m != END_MUT_LIST;
lge++;
live = 0;
if (RtsFlags.GcFlags.generations == 1) {
- bd = step->to_space;
+ bd = step->to_blocks;
} else {
bd = step->blocks;
}
}
fprintf(stderr,"\n");
}
+#endif
+
+/* -----------------------------------------------------------------------------
+ Stats available via a programmatic interface, so eg. GHCi can time
+ each compilation and expression evaluation.
+ -------------------------------------------------------------------------- */
+
+extern HsInt getAllocations( void )
+{ return (HsInt)(total_allocated * sizeof(W_)); }
projects / ghc-hetmet.git / blobdiff