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Add OBSERVE stats and auto tiny policy profile

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This commit is contained in:
Moe Charm (CI)
2025-12-06 01:44:05 +09:00
parent 03538055ae
commit 18faa6a1c4
8 changed files with 182 additions and 144 deletions
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49
core/box/tiny_class_stats_box.c
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@ -1,10 +1,59 @@
// tiny_class_stats_box.c - Thread-local stats storage for Tiny classes
#include "tiny_class_stats_box.h"
#include <stdio.h>
#include <string.h>
__thread TinyClassStatsThread g_tiny_class_stats = {0};
_Atomic uint64_t g_tiny_class_stats_uc_miss_global[TINY_NUM_CLASSES] = {0};
_Atomic uint64_t g_tiny_class_stats_warm_hit_global[TINY_NUM_CLASSES] = {0};
_Atomic uint64_t g_tiny_class_stats_shared_lock_global[TINY_NUM_CLASSES] = {0};
void tiny_class_stats_reset_thread(void) {
memset(&g_tiny_class_stats, 0, sizeof(g_tiny_class_stats));
}
void tiny_class_stats_snapshot_thread(TinyClassStatsThread* out) {
if (!out) return;
memcpy(out, &g_tiny_class_stats, sizeof(*out));
}
void tiny_class_stats_snapshot_global(TinyClassStatsThread* out) {
if (!out) return;
for (int i = 0; i < TINY_NUM_CLASSES; i++) {
out->uc_miss[i] = atomic_load_explicit(&g_tiny_class_stats_uc_miss_global[i],
memory_order_relaxed);
out->warm_hit[i] = atomic_load_explicit(&g_tiny_class_stats_warm_hit_global[i],
memory_order_relaxed);
out->shared_lock[i] = atomic_load_explicit(&g_tiny_class_stats_shared_lock_global[i],
memory_order_relaxed);
}
}
static void tiny_class_stats_dump_common(FILE* out,
const char* tag,
const TinyClassStatsThread* stats) {
if (!(out && stats)) return;
fprintf(out, "%s class uc_miss warm_hit shared_lock\n", tag ? tag : "[STATS]");
for (int c = 0; c < TINY_NUM_CLASSES; c++) {
if (stats->uc_miss[c] || stats->warm_hit[c] || stats->shared_lock[c]) {
fprintf(out, " C%d: %llu %llu %llu\n",
c,
(unsigned long long)stats->uc_miss[c],
(unsigned long long)stats->warm_hit[c],
(unsigned long long)stats->shared_lock[c]);
}
}
}
void tiny_class_stats_dump_thread(FILE* out, const char* tag) {
TinyClassStatsThread snap = {0};
tiny_class_stats_snapshot_thread(&snap);
tiny_class_stats_dump_common(out, tag ? tag : "[THREAD_STATS]", &snap);
}
void tiny_class_stats_dump_global(FILE* out, const char* tag) {
TinyClassStatsThread snap = {0};
tiny_class_stats_snapshot_global(&snap);
tiny_class_stats_dump_common(out, tag ? tag : "[GLOBAL_STATS]", &snap);
}