/* -----------------------------------------------------------------------------
- * $Id: Stats.c,v 1.30 2001/07/08 17:04:04 sof Exp $
+ * $Id: Stats.c,v 1.48 2004/08/13 13:10:45 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"
#include "Schedule.h"
#include "Stats.h"
-#include "ParTicky.h" // ToDo: move into Rts.h
+#include "ParTicky.h" /* ToDo: move into Rts.h */
+#include "Profiling.h"
+#include "Storage.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
static ullong GC_tot_alloc = 0;
static ullong GC_tot_copied = 0;
-static TICK_TYPE GC_start_time, GC_tot_time = 0; /* User GC Time */
-static TICK_TYPE GCe_start_time, GCe_tot_time = 0; /* Elapsed GC time */
+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 */
-lnat MaxResidency = 0; /* in words; for stats only */
-lnat AvgResidency = 0;
-lnat ResidencySamples = 0; /* for stats only */
+#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;
static void
getTimes(void)
{
- FILETIME creationTime, exitTime, kernelTime, userTime;
+ 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);
+ }
- /* ToDo: pin down elapsed times to just the OS thread(s) that
- are evaluating/managing Haskell code.
- */
- if (!GetProcessTimes (GetCurrentProcess(), &creationTime,
+ 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 */
* stat_startGC() for details)
*/
double
-mut_user_time_during_GC(void)
+mut_user_time_during_GC( void )
{
- return TICK_TO_DBL(GC_start_time - GC_tot_time);
+ return TICK_TO_DBL(GC_start_time - GC_tot_time - PROF_VAL(RP_tot_time + HC_tot_time));
}
double
-mut_user_time(void)
+mut_user_time( void )
{
getTimes();
- return TICK_TO_DBL(CurrentUserTime - GC_tot_time);
+ return TICK_TO_DBL(CurrentUserTime - GC_tot_time - PROF_VAL(RP_tot_time + HC_tot_time));
}
+#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)
{
{
getTimes();
MutElapsedStamp = CurrentElapsedTime;
- MutElapsedTime = CurrentElapsedTime - GCe_tot_time - InitElapsedStamp;
+ 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
#ifdef SMP
MutUserTime = CurrentUserTime;
#else
- MutUserTime = CurrentUserTime - GC_tot_time - InitUserTime;
+ MutUserTime = CurrentUserTime - GC_tot_time - PROF_VAL(RP_tot_time + HC_tot_time) - InitUserTime;
if (MutUserTime < 0) { MutUserTime = 0; }
#endif
}
#ifdef SMP
ExitUserTime = CurrentUserTime - MutUserTime;
#else
- ExitUserTime = CurrentUserTime - MutUserTime - GC_tot_time - InitUserTime;
+ ExitUserTime = CurrentUserTime - MutUserTime - GC_tot_time - PROF_VAL(RP_tot_time + HC_tot_time) - InitUserTime;
#endif
ExitElapsedTime = CurrentElapsedTime - MutElapsedStamp;
if (ExitUserTime < 0) {
}
/* -----------------------------------------------------------------------------
+ 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.
-------------------------------------------------------------------------- */
-#ifdef SMP
+#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 = usertime() - task_ids[i].gc_time;
- task_ids[i].mut_etime = elapsedtime()
+ 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; }
}
#endif
+#if defined(SMP)
+long int stat_getElapsedTime ()
+{
+ getTimes();
+ return CurrentElapsedTime;
+}
+#endif
+
/* -----------------------------------------------------------------------------
Called at the end of execution
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/time,
- TICK_TO_DBL(GCe_tot_time)*100/etime);
+ 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 == 0)
+ 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)),
+ 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 - InitUserTime) * 100
+ 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 - InitUserTime) * 100
+ TICK_TO_DBL(time - GC_tot_time -
+ PROF_VAL(RP_tot_time + HC_tot_time) - InitUserTime) * 100
/ TICK_TO_DBL(etime));
}
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,
- AvgResidency*sizeof(W_)/ResidencySamples,
+ ResidencySamples == 0 ? 0 :
+ AvgResidency*sizeof(W_)/ResidencySamples,
MaxResidency*sizeof(W_),
ResidencySamples,
(unsigned long)(mblocks_allocated * MBLOCK_SIZE / (1024L * 1024L)),
}
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_)); }
+extern HsInt64 getAllocations( void )
+{ return (HsInt64)total_allocated * sizeof(W_); }
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