#ifndef HAKMEM_SIZE_HIST_H
#define HAKMEM_SIZE_HIST_H

#include <stdint.h>
#include <stddef.h>

// Lightweight size histogram (1 KiB bins) with sampling.
// Range: 1 KiB .. 2048 KiB (2048 bins). Bin 0 is unused.

void hkm_size_hist_init(void);
void hkm_size_hist_record(size_t size);
// Copy up to n bins (bins[0..n-1] => sizes 0..(n-1) KiB). If reset!=0, zero after snapshot.
void hkm_size_hist_snapshot(uint64_t* bins, int n, int reset);

#endif // HAKMEM_SIZE_HIST_H