/* -----------------------------------------------------------------------------
*
- * (c) The GHC Team, 1998-2004
+ * (c) The GHC Team, 1998-2005
*
* Statistics and timing-related functions.
*
* ---------------------------------------------------------------------------*/
-/* 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"
-#include "Task.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)
+#define TICK_TO_DBL(t) ((double)(t) / TICKS_PER_SECOND)
-static int TicksPerSecond = 0;
+static Ticks ElapsedTimeStart = 0;
-static TICK_TYPE ElapsedTimeStart = 0;
-static TICK_TYPE CurrentElapsedTime = 0;
-static TICK_TYPE CurrentUserTime = 0;
+static Ticks InitUserTime = 0;
+static Ticks InitElapsedTime = 0;
+static Ticks InitElapsedStamp = 0;
-static TICK_TYPE InitUserTime = 0;
-static TICK_TYPE InitElapsedTime = 0;
-static TICK_TYPE InitElapsedStamp = 0;
+static Ticks MutUserTime = 0;
+static Ticks MutElapsedTime = 0;
+static Ticks MutElapsedStamp = 0;
-static TICK_TYPE MutUserTime = 0;
-static TICK_TYPE MutElapsedTime = 0;
-static TICK_TYPE 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(void);
-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(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)
+Ticks stat_getElapsedGCTime(void)
{
-
-#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);
-
- CurrentElapsedTime = r;
- CurrentUserTime = t.tms_utime;
-#endif
-
+ return GCe_tot_time;
}
-#endif /* !win32 */
/* mut_user_time_during_GC() and mut_user_time()
*
double
mut_user_time( void )
{
- getTimes();
- return TICK_TO_DBL(CurrentUserTime - GC_tot_time - PROF_VAL(RP_tot_time + HC_tot_time));
+ Ticks user;
+ user = getProcessCPUTime();
+ return TICK_TO_DBL(user - GC_tot_time - PROF_VAL(RP_tot_time + HC_tot_time));
}
#ifdef PROFILING
}
#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)
{
nat i;
if (RtsFlags.GcFlags.giveStats >= VERBOSE_GC_STATS) {
- statsPrintf(" Alloc Collect Live GC GC TOT TOT Page Flts\n");
+ statsPrintf(" Alloc Copied Live GC GC TOT TOT Page Flts\n");
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)
{
- /* 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;
+ Ticks elapsed;
-/* no "sysconf" or CLK_TCK; had better guess */
-#elif defined(HZ)
- TicksPerSecond = HZ;
-
-#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();
- ElapsedTimeStart = CurrentElapsedTime;
+ elapsed = getProcessElapsedTime();
+ ElapsedTimeStart = elapsed;
}
void
stat_endInit(void)
{
- getTimes();
- InitUserTime = CurrentUserTime;
- InitElapsedStamp = CurrentElapsedTime;
- if (ElapsedTimeStart > CurrentElapsedTime) {
+ Ticks user, elapsed;
+
+ getProcessTimes(&user, &elapsed);
+
+ InitUserTime = user;
+ InitElapsedStamp = elapsed;
+ if (ElapsedTimeStart > elapsed) {
InitElapsedTime = 0;
} else {
- InitElapsedTime = CurrentElapsedTime - ElapsedTimeStart;
+ InitElapsedTime = elapsed - ElapsedTimeStart;
}
}
void
stat_startExit(void)
{
- getTimes();
- MutElapsedStamp = CurrentElapsedTime;
- MutElapsedTime = CurrentElapsedTime - GCe_tot_time -
+ 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 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;
+ MutUserTime = user - GC_tot_time - PROF_VAL(RP_tot_time + HC_tot_time) - InitUserTime;
if (MutUserTime < 0) { MutUserTime = 0; }
-#endif
}
void
stat_endExit(void)
{
- 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;
+ Ticks user, elapsed;
+
+ getProcessTimes(&user, &elapsed);
+
+ ExitUserTime = user - MutUserTime - GC_tot_time - PROF_VAL(RP_tot_time + HC_tot_time) - InitUserTime;
+ ExitElapsedTime = elapsed - MutElapsedStamp;
if (ExitUserTime < 0) {
ExitUserTime = 0;
}
}
#if defined(PROFILING) || defined(DEBUG)
- getTimes();
- GC_start_time = CurrentUserTime; /* 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();
- GC_start_time = CurrentUserTime;
+ GC_start_time = getProcessCPUTime();
#endif
- GCe_start_time = CurrentElapsedTime;
+ GCe_start_time = getProcessElapsedTime();
if (RtsFlags.GcFlags.giveStats) {
- GC_start_faults = pageFaults();
+ GC_start_faults = getPageFaults();
}
}
}
-------------------------------------------------------------------------- */
void
-stat_endGC(lnat alloc, lnat collect, lnat live, lnat copied, lnat gen)
+stat_endGC (lnat alloc, lnat live, lnat copied,
+ lnat scavd_copied, lnat gen)
{
if (RtsFlags.GcFlags.giveStats != NO_GC_STATS) {
- TICK_TYPE time, etime, gc_time, gc_etime;
+ Ticks time, etime, gc_time, gc_etime;
- getTimes();
- time = CurrentUserTime;
- etime = CurrentElapsedTime;
+ 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_));
+ alloc*sizeof(W_), (copied+scavd_copied)*sizeof(W_),
+ live*sizeof(W_));
statsPrintf(" %5.2f %5.2f %7.2f %7.2f %4ld %4ld (Gen: %2ld)\n",
TICK_TO_DBL(gc_time),
TICK_TO_DBL(gc_etime),
GC_coll_times[gen] += gc_time;
GC_tot_copied += (ullong) copied;
+ GC_tot_scavd_copied += (ullong) scavd_copied;
GC_tot_alloc += (ullong) alloc;
GC_tot_time += gc_time;
GCe_tot_time += gc_etime;
-#if defined(SMP)
+#if defined(THREADED_RTS)
{
- nat i;
- pthread_t me = pthread_self();
-
- for (i = 0; i < RtsFlags.ParFlags.nNodes; i++) {
- if (me == taskTable[i].id) {
- taskTable[i].gc_time += gc_time;
- taskTable[i].gc_etime += gc_etime;
- break;
- }
+ Task *task;
+ if ((task = myTask()) != NULL) {
+ task->gc_time += gc_time;
+ task->gc_etime += gc_etime;
}
}
#endif
void
stat_startRP(void)
{
- getTimes();
- RP_start_time = CurrentUserTime;
- RPe_start_time = CurrentElapsedTime;
+ Ticks user, elapsed;
+ getProcessTimes( &user, &elapsed );
+
+ RP_start_time = user;
+ RPe_start_time = elapsed;
}
#endif /* PROFILING */
#endif
double averageNumVisit)
{
- getTimes();
- RP_tot_time += CurrentUserTime - RP_start_time;
- RPe_tot_time += CurrentElapsedTime - RPe_start_time;
+ Ticks user, elapsed;
+ getProcessTimes( &user, &elapsed );
+
+ RP_tot_time += user - RP_start_time;
+ RPe_tot_time += elapsed - RPe_start_time;
fprintf(prof_file, "Retainer Profiling: %d, at %f seconds\n",
retainerGeneration, mut_user_time_during_RP());
void
stat_startHeapCensus(void)
{
- getTimes();
- HC_start_time = CurrentUserTime;
- HCe_start_time = CurrentElapsedTime;
+ Ticks user, elapsed;
+ getProcessTimes( &user, &elapsed );
+
+ HC_start_time = user;
+ HCe_start_time = elapsed;
}
#endif /* PROFILING */
void
stat_endHeapCensus(void)
{
- getTimes();
- HC_tot_time += CurrentUserTime - HC_start_time;
- HCe_tot_time += CurrentElapsedTime - HCe_start_time;
-}
-#endif /* PROFILING */
+ Ticks user, elapsed;
+ getProcessTimes( &user, &elapsed );
-/* -----------------------------------------------------------------------------
- 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.
- -------------------------------------------------------------------------- */
-
-#if defined(SMP)
-void
-stat_workerStop(void)
-{
- nat i;
- pthread_t me = pthread_self();
-
- getTimes();
-
- for (i = 0; i < RtsFlags.ParFlags.nNodes; i++) {
- if (taskTable[i].id == me) {
- taskTable[i].mut_time = CurrentUserTime - taskTable[i].gc_time;
- taskTable[i].mut_etime = CurrentElapsedTime
- - GCe_tot_time
- - taskTable[i].elapsedtimestart;
- if (taskTable[i].mut_time < 0.0) { taskTable[i].mut_time = 0.0; }
- if (taskTable[i].mut_etime < 0.0) { taskTable[i].mut_etime = 0.0; }
- }
- }
-}
-#endif
-
-#if defined(SMP)
-long int stat_getElapsedTime ()
-{
- getTimes();
- return CurrentElapsedTime;
+ HC_tot_time += user - HC_start_time;
+ HCe_tot_time += elapsed - HCe_start_time;
}
-#endif
+#endif /* PROFILING */
/* -----------------------------------------------------------------------------
Called at the end of execution
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();
- time = CurrentUserTime;
- etime = CurrentElapsedTime - ElapsedTimeStart;
+ getProcessTimes( &time, &etime );
+ etime -= ElapsedTimeStart;
GC_tot_alloc += alloc;
- /* 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;
-
/* 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 += taskTable[i].mut_time;
- }
- }
- time = MutUserTime + GC_tot_time + InitUserTime + ExitUserTime;
- if (MutUserTime < 0) { MutUserTime = 0; }
-#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;
+
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);
ullong_format_string(GC_tot_copied*sizeof(W_),
temp, rtsTrue/*commas*/);
- statsPrintf("%11s bytes copied during GC\n", temp);
+ statsPrintf("%11s bytes copied during GC (scavenged)\n", temp);
+ ullong_format_string(GC_tot_scavd_copied*sizeof(W_),
+ temp, rtsTrue/*commas*/);
+ statsPrintf("%11s bytes copied during GC (not scavenged)\n", temp);
+
if ( ResidencySamples > 0 ) {
ullong_format_string(MaxResidency*sizeof(W_),
temp, rtsTrue/*commas*/);
statsPrintf("\n%11ld Mb total memory in use\n\n",
mblocks_allocated * MBLOCK_SIZE / (1024 * 1024));
-#ifdef SMP
+#if defined(THREADED_RTS)
{
nat i;
- for (i = 0; i < RtsFlags.ParFlags.nNodes; i++) {
- statsPrintf(" Task %2d: MUT time: %6.2fs (%6.2fs elapsed)\n"
- " GC time: %6.2fs (%6.2fs elapsed)\n\n",
- i,
- TICK_TO_DBL(taskTable[i].mut_time),
- TICK_TO_DBL(taskTable[i].mut_etime),
- TICK_TO_DBL(taskTable[i].gc_time),
- TICK_TO_DBL(taskTable[i].gc_etime));
+ Task *task;
+ for (i = 0, task = all_tasks;
+ task != NULL;
+ i++, task = task->all_link) {
+ statsPrintf(" Task %2d %-8s : MUT time: %6.2fs (%6.2fs elapsed)\n"
+ " GC time: %6.2fs (%6.2fs elapsed)\n\n",
+ i,
+ (task->tso == NULL) ? "(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));
}
}
#endif
void
statDescribeGens(void)
{
- nat g, s, mut, lge, live;
+ nat g, s, mut, lge;
+ lnat live;
bdescr *bd;
step *step;
- debugBelch(" Gen Steps Max Mutable Step Blocks Live Large\n Blocks Closures Closures Objects\n");
+ debugBelch(
+" Gen Steps Max Mutable Step Blocks Live Large\n"
+" Blocks Closures Objects\n");
mut = 0;
for (g = 0; g < RtsFlags.GcFlags.generations; g++) {
for (s = 0; s < generations[g].n_steps; s++) {
step = &generations[g].steps[s];
- for (bd = step->large_objects, lge = 0; bd; bd = bd->link)
- lge++;
live = 0;
- if (RtsFlags.GcFlags.generations == 1) {
- bd = step->to_blocks;
- } else {
- bd = step->blocks;
+ for (bd = step->large_objects, lge = 0; bd; bd = bd->link) {
+ lge++;
}
+ live = step->n_large_blocks * BLOCK_SIZE;
+ bd = step->blocks;
+ // This live figure will be slightly less that the "live" figure
+ // given by +RTS -Sstderr, because we take don't count the
+ // slop at the end of each block.
for (; bd; bd = bd->link) {
live += (bd->free - bd->start) * sizeof(W_);
}
if (s != 0) {
- debugBelch("%46s","");
+ debugBelch("%36s","");
}
debugBelch("%6d %8d %8d %8d\n", s, step->n_blocks,
live, lge);