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fix stats_add condition

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This commit is contained in:
Daan Leijen 2025-03-01 18:04:34 -08:00
parent 56aba086ea
commit 18174400b2
2 changed files with 16 additions and 15 deletions
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23
src/stats.c
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@ -38,10 +38,8 @@ static void mi_stat_update(mi_stat_count_t* stat, int64_t amount) {
else {
// add thread local
stat->current += amount;
if (stat->current > stat->peak) stat->peak = stat->current;
if (amount > 0) {
stat->total += amount;
}
if (stat->current > stat->peak) { stat->peak = stat->current; }
if (amount > 0) { stat->total += amount; }
}
}
@ -67,16 +65,17 @@ void _mi_stat_decrease(mi_stat_count_t* stat, size_t amount) {
// must be thread safe as it is called from stats_merge
static void mi_stat_add(mi_stat_count_t* stat, const mi_stat_count_t* src) {
if (stat==src) return;
if (src->total==0) return;
mi_atomic_addi64_relaxed( &stat->total, src->total);
mi_atomic_addi64_relaxed( &stat->current, src->current);
if (src->total!=0) { mi_atomic_addi64_relaxed(&stat->total, src->total); }
if (src->current!=0) { mi_atomic_addi64_relaxed(&stat->current, src->current); }
// peak scores do really not work across threads ... we use conservative max
mi_atomic_maxi64_relaxed( &stat->peak, src->peak); // or: mi_atomic_addi64_relaxed( &stat->peak, src->peak);
if (src->peak > stat->peak) {
mi_atomic_maxi64_relaxed(&stat->peak, src->peak); // or: mi_atomic_addi64_relaxed( &stat->peak, src->peak);
}
}
static void mi_stat_counter_add(mi_stat_counter_t* stat, const mi_stat_counter_t* src) {
if (stat==src) return;
mi_atomic_addi64_relaxed( &stat->total, src->total);
if (src->total!=0) { mi_atomic_addi64_relaxed(&stat->total, src->total); }
}
// must be thread safe as it is called from stats_merge
@ -113,9 +112,9 @@ static void mi_stats_add(mi_stats_t* stats, const mi_stats_t* src) {
mi_stat_counter_add(&stats->guarded_alloc_count, &src->guarded_alloc_count);
#if MI_STAT>1
for (size_t i = 0; i <= MI_BIN_HUGE; i++) {
if (src->normal_bins[i].total > 0) {
mi_stat_add(&stats->normal_bins[i], &src->normal_bins[i]);
}
// if (src->normal_bins[i].total != 0 && src->normal_bins[i].current != 0) {
mi_stat_add(&stats->normal_bins[i], &src->normal_bins[i]);
//}
}
#endif
}

8
test/test-stress.c
View file

@ -285,9 +285,6 @@ int main(int argc, char** argv) {
#if !defined(NDEBUG) && !defined(USE_STD_MALLOC)
mi_option_set(mi_option_arena_reserve, 32 * 1024 /* in kib = 32MiB */);
#endif
#ifndef USE_STD_MALLOC
mi_stats_reset();
#endif
// > mimalloc-test-stress [THREADS] [SCALE] [ITER]
if (argc >= 2) {
@ -309,6 +306,11 @@ int main(int argc, char** argv) {
allow_large_objects = true;
}
printf("Using %d threads with a %d%% load-per-thread and %d iterations %s\n", THREADS, SCALE, ITER, (allow_large_objects ? "(allow large objects)" : ""));
#if !defined(NDEBUG) && !defined(USE_STD_MALLOC)
mi_stats_reset();
#endif
//mi_reserve_os_memory(1024*1024*1024ULL, false, true);
//int res = mi_reserve_huge_os_pages(4,1);
//printf("(reserve huge: %i\n)", res);