34 lines
848 B
C
34 lines
848 B
C
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#ifndef HAKMEM_ACE_STATS_H
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#define HAKMEM_ACE_STATS_H
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#include <stdint.h>
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#include <stdatomic.h>
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// Sampling mask: if zero → off; else sample when (ctr & mask)==0
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void hkm_ace_stats_init(void);
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void hkm_ace_set_sample_mask(uint32_t mask);
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// MidPool (2–32KiB)
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void hkm_ace_stat_mid_attempt(int hit);
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// LargePool (64KiB–1MiB)
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void hkm_ace_stat_large_attempt(int hit);
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// Fallback (malloc path for L1)
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void hkm_ace_stat_l1_fallback(void);
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// Free counters (L1 pools)
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void hkm_ace_stat_mid_free(void);
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void hkm_ace_stat_large_free(void);
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// Snapshot for learner
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typedef struct {
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uint64_t mid_hit, mid_miss;
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uint64_t large_hit, large_miss;
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uint64_t l1_fallback;
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uint64_t mid_free, large_free;
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} hkm_ace_stats_snapshot_t;
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void hkm_ace_stats_snapshot(hkm_ace_stats_snapshot_t* out, int reset);
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#endif // HAKMEM_ACE_STATS_H
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