/* -----------------------------------------------------------------------------
- * $Id: Stats.c,v 1.2 1998/12/02 13:28:49 simonm Exp $
+ * $Id: Stats.c,v 1.3 1999/01/13 17:25:46 simonm Exp $
*
* Statistics and timing-related functions.
*
#include "Rts.h"
#include "RtsFlags.h"
#include "RtsUtils.h"
+#include "StoragePriv.h"
+#include "MBlock.h"
/**
* Ian: For the moment we just want to ignore
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 StgDouble GC_min_time = 0;
-static StgDouble GCe_min_time = 0;
-static lnat GC_maj_no = 0;
-static lnat GC_min_no = 0;
-static lnat GC_min_since_maj = 0;
-static lnat GC_live_maj = 0; /* Heap live at last major collection */
-static lnat GC_alloc_since_maj = 0; /* Heap alloc since collection major */
-
lnat MaxResidency = 0; /* in words; for stats only */
lnat ResidencySamples = 0; /* for stats only */
FILE *sf = RtsFlags.GcFlags.statsFile;
if (RtsFlags.GcFlags.giveStats) {
- fprintf(sf, " Alloc Collect Live Resid GC GC TOT TOT Page Flts\n");
- fprintf(sf, " bytes bytes bytes ency user elap user elap\n");
+ fprintf(sf, " Alloc Collect Live GC GC TOT TOT Page Flts\n");
+ fprintf(sf, " bytes bytes bytes user elap user elap\n");
}
}
-------------------------------------------------------------------------- */
void
-stat_endGC(lnat alloc, lnat collect, lnat live, char *comment)
+stat_endGC(lnat alloc, lnat collect, lnat live, lnat gen)
{
FILE *sf = RtsFlags.GcFlags.statsFile;
if (RtsFlags.GcFlags.giveStats) {
nat faults = pagefaults();
- fprintf(sf, "%8ld %7ld %7ld %5.1f%%",
- alloc*sizeof(W_), collect*sizeof(W_), live*sizeof(W_), collect == 0 ? 0.0 : (live / (StgDouble) collect * 100));
- fprintf(sf, " %5.2f %5.2f %7.2f %7.2f %4ld %4ld %s\n",
+ 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,
faults - GC_start_faults,
GC_start_faults - GC_end_faults,
- comment);
+ gen);
GC_end_faults = faults;
fflush(sf);
}
- GC_maj_no++;
GC_tot_alloc += (ullong) alloc;
GC_tot_time += time-GC_start_time;
GCe_tot_time += etime-GCe_start_time;
+
+ if (gen == RtsFlags.GcFlags.generations-1) { /* major GC? */
+ if (live > MaxResidency) {
+ MaxResidency = live;
+ }
+ ResidencySamples++;
+ }
}
if (rub_bell) {
if (etime == 0.0) etime = 0.0001;
- if (RtsFlags.GcFlags.giveStats) {
- fprintf(sf, "%8d\n\n", alloc*sizeof(W_));
- }
+ 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;
- else {
- fprintf(sf, "%8ld %7.7s %6.6s %7.7s %6.6s",
- (GC_alloc_since_maj + alloc)*sizeof(W_), "", "", "", "");
- fprintf(sf, " %3ld %5.2f %5.2f\n\n",
- GC_min_since_maj, GC_min_time, GCe_min_time);
- }
- GC_min_no += GC_min_since_maj;
- GC_tot_time += GC_min_time;
- GCe_tot_time += GCe_min_time;
- GC_tot_alloc += GC_alloc_since_maj + alloc;
ullong_format_string(GC_tot_alloc*sizeof(W_), temp, rtsTrue/*commas*/);
fprintf(sf, "%11s bytes allocated in the heap\n", temp);
+
if ( ResidencySamples > 0 ) {
ullong_format_string(MaxResidency*sizeof(W_), temp, rtsTrue/*commas*/);
- fprintf(sf, "%11s bytes maximum residency (%.1f%%, %ld sample(s))\n",
+ fprintf(sf, "%11s bytes maximum residency (%ld sample(s))\n",
temp,
- MaxResidency / (StgDouble) RtsFlags.GcFlags.maxHeapSize * 100,
ResidencySamples);
}
- fprintf(sf, "%11ld garbage collections performed (%ld major, %ld minor)\n\n",
- GC_maj_no + GC_min_no, GC_maj_no, GC_min_no);
+ 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; }
fclose(sf);
}
}
+
+/* -----------------------------------------------------------------------------
+ stat_describe_gens
+
+ Produce some detailed info on the state of the generational GC.
+ -------------------------------------------------------------------------- */
+void
+stat_describe_gens(void)
+{
+ nat g, s, mut, lge, live;
+ StgMutClosure *m;
+ bdescr *bd;
+ step *step;
+
+ fprintf(stderr, " Gen Steps Max Mutable Step Blocks Live Large\n" " Blocks Closures Objects\n");
+
+ for (g = 0; g < RtsFlags.GcFlags.generations; g++) {
+ for (m = generations[g].mut_list, mut = 0; m != END_MUT_LIST;
+ m = m->mut_link)
+ mut++;
+ fprintf(stderr, "%8d %8d %8d %9d", g, generations[g].n_steps,
+ generations[g].max_blocks, mut);
+
+ 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;
+ for (bd = step->blocks; bd; bd = bd->link) {
+ live += (bd->free - bd->start) * sizeof(W_);
+ }
+ if (s != 0) {
+ fprintf(stderr,"%36s","");
+ }
+ fprintf(stderr,"%6d %8d %8d %8d\n", s, step->n_blocks,
+ live, lge);
+ }
+ }
+ fprintf(stderr,"\n");
+}
projects / ghc-hetmet.git / blobdiff