void
stat_exit (void)
{
generation *gen;
Time gc_cpu = 0;
Time gc_elapsed = 0;
Time init_cpu = 0;
Time init_elapsed = 0;
Time mut_cpu = 0;
Time mut_elapsed = 0;
Time exit_cpu = 0;
Time exit_elapsed = 0;
W_ tot_alloc;
W_ alloc;
if (RtsFlags.GcFlags.giveStats != NO_GC_STATS) {
char temp[BIG_STRING_LEN];
Time tot_cpu;
Time tot_elapsed;
nat i, g, total_collections = 0;
getProcessTimes( &tot_cpu, &tot_elapsed );
tot_elapsed -= start_init_elapsed;
tot_alloc = calcTotalAllocated();
// allocated since the last GC
alloc = tot_alloc - GC_tot_alloc;
GC_tot_alloc = tot_alloc;
/* Count total garbage collections */
for (g = 0; g < RtsFlags.GcFlags.generations; g++)
total_collections += generations[g].collections;
/* avoid divide by zero if tot_cpu is measured as 0.00 seconds -- SDM */
if (tot_cpu == 0.0) tot_cpu = 1;
if (tot_elapsed == 0.0) tot_elapsed = 1;
if (RtsFlags.GcFlags.giveStats >= VERBOSE_GC_STATS) {
statsPrintf("%9" FMT_SizeT " %9.9s %9.9s", (W_)alloc*sizeof(W_), "", "");
statsPrintf(" %6.3f %6.3f\n\n", 0.0, 0.0);
}
for (i = 0; i < RtsFlags.GcFlags.generations; i++) {
gc_cpu += GC_coll_cpu[i];
gc_elapsed += GC_coll_elapsed[i];
}
// heapCensus() is called by the GC, so RP and HC time are
// included in the GC stats. We therefore subtract them to
// obtain the actual GC cpu time.
gc_cpu -= PROF_VAL(RP_tot_time + HC_tot_time);
gc_elapsed -= PROF_VAL(RPe_tot_time + HCe_tot_time);
init_cpu = get_init_cpu();
init_elapsed = get_init_elapsed();
exit_cpu = end_exit_cpu - start_exit_cpu;
exit_elapsed = end_exit_elapsed - start_exit_elapsed;
mut_elapsed = start_exit_elapsed - end_init_elapsed - gc_elapsed;
mut_cpu = start_exit_cpu - end_init_cpu - gc_cpu
- PROF_VAL(RP_tot_time + HC_tot_time);
if (mut_cpu < 0) { mut_cpu = 0; }
if (RtsFlags.GcFlags.giveStats >= SUMMARY_GC_STATS) {
showStgWord64(GC_tot_alloc*sizeof(W_),
temp, rtsTrue/*commas*/);
statsPrintf("%16s bytes allocated in the heap\n", temp);
showStgWord64(GC_tot_copied*sizeof(W_),
temp, rtsTrue/*commas*/);
statsPrintf("%16s bytes copied during GC\n", temp);
if ( residency_samples > 0 ) {
showStgWord64(max_residency*sizeof(W_),
temp, rtsTrue/*commas*/);
statsPrintf("%16s bytes maximum residency (%" FMT_Word " sample(s))\n",
temp, residency_samples);
}
showStgWord64(max_slop*sizeof(W_), temp, rtsTrue/*commas*/);
statsPrintf("%16s bytes maximum slop\n", temp);
statsPrintf("%16" FMT_SizeT " MB total memory in use (%" FMT_SizeT " MB lost due to fragmentation)\n\n",
(size_t)(peak_mblocks_allocated * MBLOCK_SIZE_W) / (1024 * 1024 / sizeof(W_)),
(size_t)(peak_mblocks_allocated * BLOCKS_PER_MBLOCK * BLOCK_SIZE_W - hw_alloc_blocks * BLOCK_SIZE_W) / (1024 * 1024 / sizeof(W_)));
/* Print garbage collections in each gen */
statsPrintf(" Tot time (elapsed) Avg pause Max pause\n");
for (g = 0; g < RtsFlags.GcFlags.generations; g++) {
gen = &generations[g];
statsPrintf(" Gen %2d %5d colls, %5d par %6.3fs %6.3fs %3.4fs %3.4fs\n",
gen->no,
gen->collections,
gen->par_collections,
TimeToSecondsDbl(GC_coll_cpu[g]),
TimeToSecondsDbl(GC_coll_elapsed[g]),
gen->collections == 0 ? 0 : TimeToSecondsDbl(GC_coll_elapsed[g] / gen->collections),
TimeToSecondsDbl(GC_coll_max_pause[g]));
}
#if defined(THREADED_RTS)
if (RtsFlags.ParFlags.parGcEnabled && n_capabilities > 1) {
statsPrintf("\n Parallel GC work balance: %.2f%% (serial 0%%, perfect 100%%)\n",
100 * (((double)GC_par_tot_copied / (double)GC_par_max_copied) - 1)
/ (n_capabilities - 1)
);
}
#endif
statsPrintf("\n");
#if defined(THREADED_RTS)
statsPrintf(" TASKS: %d (%d bound, %d peak workers (%d total), using -N%d)\n",
taskCount, taskCount - workerCount,
peakWorkerCount, workerCount,
n_capabilities);
statsPrintf("\n");
{
nat i;
SparkCounters sparks = { 0, 0, 0, 0, 0, 0};
for (i = 0; i < n_capabilities; i++) {
sparks.created += capabilities[i]->spark_stats.created;
sparks.dud += capabilities[i]->spark_stats.dud;
sparks.overflowed+= capabilities[i]->spark_stats.overflowed;
sparks.converted += capabilities[i]->spark_stats.converted;
sparks.gcd += capabilities[i]->spark_stats.gcd;
sparks.fizzled += capabilities[i]->spark_stats.fizzled;
}
statsPrintf(" SPARKS: %" FMT_Word " (%" FMT_Word " converted, %" FMT_Word " overflowed, %" FMT_Word " dud, %" FMT_Word " GC'd, %" FMT_Word " fizzled)\n\n",
sparks.created + sparks.dud + sparks.overflowed,
sparks.converted, sparks.overflowed, sparks.dud,
sparks.gcd, sparks.fizzled);
}
#endif
statsPrintf(" INIT time %7.3fs (%7.3fs elapsed)\n",
TimeToSecondsDbl(init_cpu), TimeToSecondsDbl(init_elapsed));
statsPrintf(" MUT time %7.3fs (%7.3fs elapsed)\n",
TimeToSecondsDbl(mut_cpu), TimeToSecondsDbl(mut_elapsed));
statsPrintf(" GC time %7.3fs (%7.3fs elapsed)\n",
TimeToSecondsDbl(gc_cpu), TimeToSecondsDbl(gc_elapsed));
#ifdef PROFILING
statsPrintf(" RP time %7.3fs (%7.3fs elapsed)\n",
TimeToSecondsDbl(RP_tot_time), TimeToSecondsDbl(RPe_tot_time));
statsPrintf(" PROF time %7.3fs (%7.3fs elapsed)\n",
TimeToSecondsDbl(HC_tot_time), TimeToSecondsDbl(HCe_tot_time));
#endif
statsPrintf(" EXIT time %7.3fs (%7.3fs elapsed)\n",
TimeToSecondsDbl(exit_cpu), TimeToSecondsDbl(exit_elapsed));
statsPrintf(" Total time %7.3fs (%7.3fs elapsed)\n\n",
TimeToSecondsDbl(tot_cpu), TimeToSecondsDbl(tot_elapsed));
#ifndef THREADED_RTS
statsPrintf(" %%GC time %5.1f%% (%.1f%% elapsed)\n\n",
TimeToSecondsDbl(gc_cpu)*100/TimeToSecondsDbl(tot_cpu),
TimeToSecondsDbl(gc_elapsed)*100/TimeToSecondsDbl(tot_elapsed));
#endif
if (mut_cpu == 0) {
showStgWord64(0, temp, rtsTrue/*commas*/);
} else {
showStgWord64(
(StgWord64)((GC_tot_alloc*sizeof(W_)) / TimeToSecondsDbl(mut_cpu)),
temp, rtsTrue/*commas*/);
}
statsPrintf(" Alloc rate %s bytes per MUT second\n\n", temp);
statsPrintf(" Productivity %5.1f%% of total user, %.1f%% of total elapsed\n\n",
TimeToSecondsDbl(tot_cpu - gc_cpu -
PROF_VAL(RP_tot_time + HC_tot_time) - init_cpu) * 100
/ TimeToSecondsDbl(tot_cpu),
TimeToSecondsDbl(tot_cpu - gc_cpu -
PROF_VAL(RP_tot_time + HC_tot_time) - init_cpu) * 100
/ TimeToSecondsDbl(tot_elapsed));
/*
TICK_PRINT(1);
TICK_PRINT(2);
REPORT(TOTAL_CALLS);
TICK_PRINT_TOT(1);
TICK_PRINT_TOT(2);
*/
#if USE_PAPI
papi_stats_report();
#endif
#if defined(THREADED_RTS) && defined(PROF_SPIN)
{
nat g;
statsPrintf("gc_alloc_block_sync: %"FMT_Word64"\n", gc_alloc_block_sync.spin);
statsPrintf("whitehole_spin: %"FMT_Word64"\n", whitehole_spin);
for (g = 0; g < RtsFlags.GcFlags.generations; g++) {
statsPrintf("gen[%d].sync: %"FMT_Word64"\n", g, generations[g].sync.spin);
}
}
#endif
}
if (RtsFlags.GcFlags.giveStats == ONELINE_GC_STATS) {
char *fmt1, *fmt2;
if (RtsFlags.MiscFlags.machineReadable) {
fmt1 = " [(\"bytes allocated\", \"%llu\")\n";
fmt2 = " ,(\"num_GCs\", \"%d\")\n"
" ,(\"average_bytes_used\", \"%ld\")\n"
" ,(\"max_bytes_used\", \"%ld\")\n"
" ,(\"num_byte_usage_samples\", \"%ld\")\n"
" ,(\"peak_megabytes_allocated\", \"%lu\")\n"
" ,(\"init_cpu_seconds\", \"%.3f\")\n"
" ,(\"init_wall_seconds\", \"%.3f\")\n"
" ,(\"mutator_cpu_seconds\", \"%.3f\")\n"
" ,(\"mutator_wall_seconds\", \"%.3f\")\n"
" ,(\"GC_cpu_seconds\", \"%.3f\")\n"
" ,(\"GC_wall_seconds\", \"%.3f\")\n"
" ]\n";
}
else {
fmt1 = "<<ghc: %llu bytes, ";
fmt2 = "%d GCs, %ld/%ld avg/max bytes residency (%ld samples), %luM in use, %.3f INIT (%.3f elapsed), %.3f MUT (%.3f elapsed), %.3f GC (%.3f elapsed) :ghc>>\n";
}
/* print the long long separately to avoid bugginess on mingwin (2001-07-02, mingw-0.5) */
statsPrintf(fmt1, GC_tot_alloc*(StgWord64)sizeof(W_));
statsPrintf(fmt2,
total_collections,
residency_samples == 0 ? 0 :
cumulative_residency*sizeof(W_)/residency_samples,
max_residency*sizeof(W_),
residency_samples,
(unsigned long)(peak_mblocks_allocated * MBLOCK_SIZE / (1024L * 1024L)),
TimeToSecondsDbl(init_cpu), TimeToSecondsDbl(init_elapsed),
TimeToSecondsDbl(mut_cpu), TimeToSecondsDbl(mut_elapsed),
TimeToSecondsDbl(gc_cpu), TimeToSecondsDbl(gc_elapsed));
}
statsFlush();
statsClose();
}
if (GC_coll_cpu) {
stgFree(GC_coll_cpu);
GC_coll_cpu = NULL;
}
if (GC_coll_elapsed) {
stgFree(GC_coll_elapsed);
GC_coll_elapsed = NULL;
}
if (GC_coll_max_pause) {
stgFree(GC_coll_max_pause);
GC_coll_max_pause = NULL;
}
}
void
stat_exit(int alloc)
{
generation *gen;
Ticks gc_cpu = 0;
Ticks gc_elapsed = 0;
Ticks init_cpu = 0;
Ticks init_elapsed = 0;
Ticks mut_cpu = 0;
Ticks mut_elapsed = 0;
Ticks exit_cpu = 0;
Ticks exit_elapsed = 0;
if (RtsFlags.GcFlags.giveStats != NO_GC_STATS) {
char temp[BIG_STRING_LEN];
Ticks tot_cpu;
Ticks tot_elapsed;
nat i, g, total_collections = 0;
getProcessTimes( &tot_cpu, &tot_elapsed );
tot_elapsed -= start_init_elapsed;
GC_tot_alloc += alloc;
/* Count total garbage collections */
for (g = 0; g < RtsFlags.GcFlags.generations; g++)
total_collections += generations[g].collections;
/* avoid divide by zero if tot_cpu is measured as 0.00 seconds -- SDM */
if (tot_cpu == 0.0) tot_cpu = 1;
if (tot_elapsed == 0.0) tot_elapsed = 1;
if (RtsFlags.GcFlags.giveStats >= VERBOSE_GC_STATS) {
statsPrintf("%9ld %9.9s %9.9s", (lnat)alloc*sizeof(W_), "", "");
statsPrintf(" %5.2f %5.2f\n\n", 0.0, 0.0);
}
for (i = 0; i < RtsFlags.GcFlags.generations; i++) {
gc_cpu += GC_coll_cpu[i];
gc_elapsed += GC_coll_elapsed[i];
}
init_cpu = get_init_cpu();
init_elapsed = get_init_elapsed();
exit_cpu = end_exit_cpu - start_exit_cpu;
exit_elapsed = end_exit_elapsed - start_exit_elapsed;
mut_elapsed = start_exit_elapsed - end_init_elapsed - gc_elapsed;
mut_cpu = start_exit_cpu - end_init_cpu - gc_cpu
- PROF_VAL(RP_tot_time + HC_tot_time);
if (mut_cpu < 0) { mut_cpu = 0; }
if (RtsFlags.GcFlags.giveStats >= SUMMARY_GC_STATS) {
showStgWord64(GC_tot_alloc*sizeof(W_),
temp, rtsTrue/*commas*/);
statsPrintf("%16s bytes allocated in the heap\n", temp);
showStgWord64(GC_tot_copied*sizeof(W_),
temp, rtsTrue/*commas*/);
statsPrintf("%16s bytes copied during GC\n", temp);
if ( residency_samples > 0 ) {
showStgWord64(max_residency*sizeof(W_),
temp, rtsTrue/*commas*/);
statsPrintf("%16s bytes maximum residency (%ld sample(s))\n",
temp, residency_samples);
}
showStgWord64(max_slop*sizeof(W_), temp, rtsTrue/*commas*/);
statsPrintf("%16s bytes maximum slop\n", temp);
statsPrintf("%16ld MB total memory in use (%ld MB lost due to fragmentation)\n\n",
peak_mblocks_allocated * MBLOCK_SIZE_W / (1024 * 1024 / sizeof(W_)),
(peak_mblocks_allocated * BLOCKS_PER_MBLOCK * BLOCK_SIZE_W - hw_alloc_blocks * BLOCK_SIZE_W) / (1024 * 1024 / sizeof(W_)));
/* Print garbage collections in each gen */
statsPrintf(" Tot time (elapsed) Avg pause Max pause\n");
for (g = 0; g < RtsFlags.GcFlags.generations; g++) {
gen = &generations[g];
statsPrintf(" Gen %2d %5d colls, %5d par %5.2fs %5.2fs %3.4fs %3.4fs\n",
gen->no,
gen->collections,
gen->par_collections,
TICK_TO_DBL(GC_coll_cpu[g]),
TICK_TO_DBL(GC_coll_elapsed[g]),
gen->collections == 0 ? 0 : TICK_TO_DBL(GC_coll_elapsed[g] / gen->collections),
TICK_TO_DBL(GC_coll_max_pause[g]));
}
#if defined(THREADED_RTS)
if (RtsFlags.ParFlags.parGcEnabled) {
statsPrintf("\n Parallel GC work balance: %.2f (%ld / %ld, ideal %d)\n",
(double)GC_par_avg_copied / (double)GC_par_max_copied,
(lnat)GC_par_avg_copied, (lnat)GC_par_max_copied,
RtsFlags.ParFlags.nNodes
);
}
#endif
statsPrintf("\n");
#if defined(THREADED_RTS)
{
nat i;
Task *task;
statsPrintf(" MUT time (elapsed) GC time (elapsed)\n");
for (i = 0, task = all_tasks;
task != NULL;
i++, task = task->all_link) {
statsPrintf(" Task %2d %-8s : %6.2fs (%6.2fs) %6.2fs (%6.2fs)\n",
i,
(task->worker) ? "(worker)" : "(bound)",
TICK_TO_DBL(task->mut_time),
TICK_TO_DBL(task->mut_etime),
TICK_TO_DBL(task->gc_time),
TICK_TO_DBL(task->gc_etime));
}
}
statsPrintf("\n");
{
nat i;
SparkCounters sparks = { 0, 0, 0, 0, 0, 0};
for (i = 0; i < n_capabilities; i++) {
sparks.created += capabilities[i].spark_stats.created;
sparks.dud += capabilities[i].spark_stats.dud;
sparks.overflowed+= capabilities[i].spark_stats.overflowed;
sparks.converted += capabilities[i].spark_stats.converted;
sparks.gcd += capabilities[i].spark_stats.gcd;
sparks.fizzled += capabilities[i].spark_stats.fizzled;
}
statsPrintf(" SPARKS: %ld (%ld converted, %ld overflowed, %ld dud, %ld GC'd, %ld fizzled)\n\n",
sparks.created + sparks.dud + sparks.overflowed,
sparks.converted, sparks.overflowed, sparks.dud,
sparks.gcd, sparks.fizzled);
}
#endif
statsPrintf(" INIT time %6.2fs (%6.2fs elapsed)\n",
TICK_TO_DBL(init_cpu), TICK_TO_DBL(init_elapsed));
statsPrintf(" MUT time %6.2fs (%6.2fs elapsed)\n",
TICK_TO_DBL(mut_cpu), TICK_TO_DBL(mut_elapsed));
statsPrintf(" GC time %6.2fs (%6.2fs elapsed)\n",
TICK_TO_DBL(gc_cpu), TICK_TO_DBL(gc_elapsed));
#ifdef PROFILING
statsPrintf(" RP time %6.2fs (%6.2fs elapsed)\n",
TICK_TO_DBL(RP_tot_time), TICK_TO_DBL(RPe_tot_time));
statsPrintf(" PROF time %6.2fs (%6.2fs elapsed)\n",
TICK_TO_DBL(HC_tot_time), TICK_TO_DBL(HCe_tot_time));
#endif
statsPrintf(" EXIT time %6.2fs (%6.2fs elapsed)\n",
TICK_TO_DBL(exit_cpu), TICK_TO_DBL(exit_elapsed));
statsPrintf(" Total time %6.2fs (%6.2fs elapsed)\n\n",
TICK_TO_DBL(tot_cpu), TICK_TO_DBL(tot_elapsed));
#ifndef THREADED_RTS
statsPrintf(" %%GC time %5.1f%% (%.1f%% elapsed)\n\n",
TICK_TO_DBL(gc_cpu)*100/TICK_TO_DBL(tot_cpu),
TICK_TO_DBL(gc_elapsed)*100/TICK_TO_DBL(tot_elapsed));
#endif
if (tot_cpu - GC_tot_cpu - PROF_VAL(RP_tot_time + HC_tot_time) == 0)
showStgWord64(0, temp, rtsTrue/*commas*/);
else
showStgWord64(
(StgWord64)((GC_tot_alloc*sizeof(W_))/
TICK_TO_DBL(tot_cpu - GC_tot_cpu -
PROF_VAL(RP_tot_time + HC_tot_time))),
temp, rtsTrue/*commas*/);
statsPrintf(" Alloc rate %s bytes per MUT second\n\n", temp);
statsPrintf(" Productivity %5.1f%% of total user, %.1f%% of total elapsed\n\n",
TICK_TO_DBL(tot_cpu - GC_tot_cpu -
PROF_VAL(RP_tot_time + HC_tot_time) - init_cpu) * 100
/ TICK_TO_DBL(tot_cpu),
TICK_TO_DBL(tot_cpu - GC_tot_cpu -
PROF_VAL(RP_tot_time + HC_tot_time) - init_cpu) * 100
/ TICK_TO_DBL(tot_elapsed));
/*
TICK_PRINT(1);
TICK_PRINT(2);
REPORT(TOTAL_CALLS);
TICK_PRINT_TOT(1);
TICK_PRINT_TOT(2);
*/
#if USE_PAPI
papi_stats_report();
#endif
#if defined(THREADED_RTS) && defined(PROF_SPIN)
{
nat g;
statsPrintf("gc_alloc_block_sync: %"FMT_Word64"\n", gc_alloc_block_sync.spin);
statsPrintf("whitehole_spin: %"FMT_Word64"\n", whitehole_spin);
for (g = 0; g < RtsFlags.GcFlags.generations; g++) {
statsPrintf("gen[%d].sync: %"FMT_Word64"\n", g, generations[g].sync.spin);
}
}
#endif
}
if (RtsFlags.GcFlags.giveStats == ONELINE_GC_STATS) {
char *fmt1, *fmt2;
if (RtsFlags.MiscFlags.machineReadable) {
fmt1 = " [(\"bytes allocated\", \"%llu\")\n";
fmt2 = " ,(\"num_GCs\", \"%d\")\n"
" ,(\"average_bytes_used\", \"%ld\")\n"
" ,(\"max_bytes_used\", \"%ld\")\n"
" ,(\"num_byte_usage_samples\", \"%ld\")\n"
" ,(\"peak_megabytes_allocated\", \"%lu\")\n"
" ,(\"init_cpu_seconds\", \"%.2f\")\n"
" ,(\"init_wall_seconds\", \"%.2f\")\n"
" ,(\"mutator_cpu_seconds\", \"%.2f\")\n"
" ,(\"mutator_wall_seconds\", \"%.2f\")\n"
" ,(\"GC_cpu_seconds\", \"%.2f\")\n"
" ,(\"GC_wall_seconds\", \"%.2f\")\n"
" ]\n";
}
else {
fmt1 = "<<ghc: %llu bytes, ";
fmt2 = "%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";
}
/* print the long long separately to avoid bugginess on mingwin (2001-07-02, mingw-0.5) */
statsPrintf(fmt1, GC_tot_alloc*(StgWord64)sizeof(W_));
statsPrintf(fmt2,
total_collections,
residency_samples == 0 ? 0 :
cumulative_residency*sizeof(W_)/residency_samples,
max_residency*sizeof(W_),
residency_samples,
(unsigned long)(peak_mblocks_allocated * MBLOCK_SIZE / (1024L * 1024L)),
TICK_TO_DBL(init_cpu), TICK_TO_DBL(init_elapsed),
TICK_TO_DBL(mut_cpu), TICK_TO_DBL(mut_elapsed),
TICK_TO_DBL(gc_cpu), TICK_TO_DBL(gc_elapsed));
}
statsFlush();
statsClose();
}
if (GC_coll_cpu) {
stgFree(GC_coll_cpu);
GC_coll_cpu = NULL;
}
if (GC_coll_elapsed) {
stgFree(GC_coll_elapsed);
GC_coll_elapsed = NULL;
}
if (GC_coll_max_pause) {
stgFree(GC_coll_max_pause);
GC_coll_max_pause = NULL;
}
}
void
stat_endGC (Capability *cap, gc_thread *gct,
W_ live, W_ copied, W_ slop, nat gen,
nat par_n_threads, W_ par_max_copied, W_ par_tot_copied)
{
W_ tot_alloc;
W_ alloc;
if (RtsFlags.GcFlags.giveStats != NO_GC_STATS ||
RtsFlags.ProfFlags.doHeapProfile)
// heap profiling needs GC_tot_time
{
Time cpu, elapsed, gc_cpu, gc_elapsed;
// Has to be emitted while all caps stopped for GC, but before GC_END.
// See trac.haskell.org/ThreadScope/wiki/RTSsummaryEvents
// for a detailed design rationale of the current setup
// of GC eventlog events.
traceEventGcGlobalSync(cap);
// Emitted before GC_END on all caps, which simplifies tools code.
traceEventGcStats(cap,
CAPSET_HEAP_DEFAULT,
gen,
copied * sizeof(W_),
slop * sizeof(W_),
/* current loss due to fragmentation */
(mblocks_allocated * BLOCKS_PER_MBLOCK - n_alloc_blocks)
* BLOCK_SIZE_W * sizeof(W_),
par_n_threads,
par_max_copied * sizeof(W_),
par_tot_copied * sizeof(W_));
getProcessTimes(&cpu, &elapsed);
// Post EVENT_GC_END with the same timestamp as used for stats
// (though converted from Time=StgInt64 to EventTimestamp=StgWord64).
// Here, as opposed to other places, the event is emitted on the cap
// that initiates the GC and external tools expect it to have the same
// timestamp as used in +RTS -s calculcations.
traceEventGcEndAtT(cap, TimeToNS(elapsed - start_init_elapsed));
gc_elapsed = elapsed - gct->gc_start_elapsed;
gc_cpu = cpu - gct->gc_start_cpu;
/* For the moment we calculate both per-HEC and total allocation.
* There is thus redundancy here, but for the moment we will calculate
* it both the old and new way and assert they're the same.
* When we're sure it's working OK then we can simplify things.
*/
tot_alloc = calcTotalAllocated();
// allocated since the last GC
alloc = tot_alloc - GC_tot_alloc;
GC_tot_alloc = tot_alloc;
if (RtsFlags.GcFlags.giveStats == VERBOSE_GC_STATS) {
W_ faults = getPageFaults();
statsPrintf("%9" FMT_SizeT " %9" FMT_SizeT " %9" FMT_SizeT,
alloc*sizeof(W_), copied*sizeof(W_),
live*sizeof(W_));
statsPrintf(" %6.3f %6.3f %8.3f %8.3f %4" FMT_Word " %4" FMT_Word " (Gen: %2d)\n",
TimeToSecondsDbl(gc_cpu),
TimeToSecondsDbl(gc_elapsed),
TimeToSecondsDbl(cpu),
TimeToSecondsDbl(elapsed - start_init_elapsed),
faults - gct->gc_start_faults,
gct->gc_start_faults - GC_end_faults,
gen);
GC_end_faults = faults;
statsFlush();
}
GC_coll_cpu[gen] += gc_cpu;
GC_coll_elapsed[gen] += gc_elapsed;
if (GC_coll_max_pause[gen] < gc_elapsed) {
GC_coll_max_pause[gen] = gc_elapsed;
}
GC_tot_copied += (StgWord64) copied;
GC_par_max_copied += (StgWord64) par_max_copied;
GC_par_tot_copied += (StgWord64) par_tot_copied;
GC_tot_cpu += gc_cpu;
traceEventHeapSize(cap,
CAPSET_HEAP_DEFAULT,
mblocks_allocated * MBLOCK_SIZE_W * sizeof(W_));
if (gen == RtsFlags.GcFlags.generations-1) { /* major GC? */
if (live > max_residency) {
max_residency = live;
}
current_residency = live;
residency_samples++;
cumulative_residency += live;
traceEventHeapLive(cap,
CAPSET_HEAP_DEFAULT,
live * sizeof(W_));
}
if (slop > max_slop) max_slop = slop;
}
if (rub_bell) {
debugBelch("\b\b\b \b\b\b");
rub_bell = 0;
}
#if USE_PAPI
if(papi_is_reporting) {
/* Switch to counting mutator events */
if (gen == 0) {
papi_stop_gc0_count();
} else {
papi_stop_gc1_count();
}
papi_start_mutator_count();
}
#endif
}
void
stat_endGC (gc_thread *gct,
lnat alloc, lnat live, lnat copied, nat gen,
lnat max_copied, lnat avg_copied, lnat slop)
{
if (RtsFlags.GcFlags.giveStats != NO_GC_STATS ||
RtsFlags.ProfFlags.doHeapProfile)
// heap profiling needs GC_tot_time
{
Ticks cpu, elapsed, thread_gc_cpu, gc_cpu, gc_elapsed;
getProcessTimes(&cpu, &elapsed);
gc_elapsed = elapsed - gct->gc_start_elapsed;
thread_gc_cpu = getThreadCPUTime() - gct->gc_start_thread_cpu;
gc_cpu = cpu - gct->gc_start_cpu;
taskDoneGC(gct->cap->running_task, thread_gc_cpu, gc_elapsed);
if (RtsFlags.GcFlags.giveStats == VERBOSE_GC_STATS) {
nat faults = getPageFaults();
statsPrintf("%9ld %9ld %9ld",
alloc*sizeof(W_), copied*sizeof(W_),
live*sizeof(W_));
statsPrintf(" %5.2f %5.2f %7.2f %7.2f %4ld %4ld (Gen: %2d)\n",
TICK_TO_DBL(gc_cpu),
TICK_TO_DBL(gc_elapsed),
TICK_TO_DBL(cpu),
TICK_TO_DBL(elapsed - start_init_elapsed),
faults - gct->gc_start_faults,
gct->gc_start_faults - GC_end_faults,
gen);
GC_end_faults = faults;
statsFlush();
}
GC_coll_cpu[gen] += gc_cpu;
GC_coll_elapsed[gen] += gc_elapsed;
if (GC_coll_max_pause[gen] < gc_elapsed) {
GC_coll_max_pause[gen] = gc_elapsed;
}
GC_tot_copied += (StgWord64) copied;
GC_tot_alloc += (StgWord64) alloc;
GC_par_max_copied += (StgWord64) max_copied;
GC_par_avg_copied += (StgWord64) avg_copied;
GC_tot_cpu += gc_cpu;
if (gen == RtsFlags.GcFlags.generations-1) { /* major GC? */
if (live > max_residency) {
max_residency = live;
}
current_residency = live;
residency_samples++;
cumulative_residency += live;
}
if (slop > max_slop) max_slop = slop;
}
if (rub_bell) {
debugBelch("\b\b\b \b\b\b");
rub_bell = 0;
}
#if USE_PAPI
if(papi_is_reporting) {
/* Switch to counting mutator events */
if (gen == 0) {
papi_stop_gc0_count();
} else {
papi_stop_gc1_count();
}
papi_start_mutator_count();
}
#endif
}