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26 lines
761 B
C
26 lines
761 B
C
#include "jemalloc/internal/jemalloc_preamble.h"
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#include "jemalloc/internal/jemalloc_internal_includes.h"
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#include "jemalloc/internal/inspect.h"
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void
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inspect_extent_util_stats_get(
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tsdn_t *tsdn, const void *ptr, size_t *nfree, size_t *nregs, size_t *size) {
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assert(ptr != NULL && nfree != NULL && nregs != NULL && size != NULL);
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const edata_t *edata = emap_edata_lookup(tsdn, &arena_emap_global, ptr);
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if (unlikely(edata == NULL)) {
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*nfree = *nregs = *size = 0;
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return;
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}
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*size = edata_size_get(edata);
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if (!edata_slab_get(edata)) {
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*nfree = 0;
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*nregs = 1;
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} else {
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*nfree = edata_nfree_get(edata);
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*nregs = bin_infos[edata_szind_get(edata)].nregs;
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assert(*nfree <= *nregs);
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assert(*nfree * edata_usize_get(edata) <= *size);
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}
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}
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