edf1bafb2b
Add MALLCTL_ARENAS_DESTROYED for accessing destroyed arena stats as an analogue to MALLCTL_ARENAS_ALL. This resolves #382.
128 lines
3.6 KiB
C
128 lines
3.6 KiB
C
/******************************************************************************/
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#ifdef JEMALLOC_H_TYPES
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typedef struct ctl_node_s ctl_node_t;
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typedef struct ctl_named_node_s ctl_named_node_t;
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typedef struct ctl_indexed_node_s ctl_indexed_node_t;
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typedef struct ctl_arena_stats_s ctl_arena_stats_t;
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typedef struct ctl_stats_s ctl_stats_t;
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#endif /* JEMALLOC_H_TYPES */
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/******************************************************************************/
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#ifdef JEMALLOC_H_STRUCTS
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struct ctl_node_s {
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bool named;
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};
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struct ctl_named_node_s {
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struct ctl_node_s node;
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const char *name;
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/* If (nchildren == 0), this is a terminal node. */
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size_t nchildren;
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const ctl_node_t *children;
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int (*ctl)(tsd_t *, const size_t *, size_t, void *,
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size_t *, void *, size_t);
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};
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struct ctl_indexed_node_s {
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struct ctl_node_s node;
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const ctl_named_node_t *(*index)(tsdn_t *, const size_t *, size_t,
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size_t);
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};
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struct ctl_arena_stats_s {
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unsigned arena_ind;
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bool initialized;
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ql_elm(ctl_arena_stats_t) destroyed_link;
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unsigned nthreads;
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const char *dss;
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ssize_t decay_time;
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size_t pactive;
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size_t pdirty;
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/* The remainder are only populated if config_stats is true. */
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arena_stats_t astats;
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/* Aggregate stats for small size classes, based on bin stats. */
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size_t allocated_small;
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uint64_t nmalloc_small;
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uint64_t ndalloc_small;
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uint64_t nrequests_small;
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malloc_bin_stats_t bstats[NBINS];
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malloc_large_stats_t lstats[NSIZES - NBINS];
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};
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struct ctl_stats_s {
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uint64_t epoch;
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size_t allocated;
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size_t active;
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size_t metadata;
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size_t resident;
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size_t mapped;
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size_t retained;
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unsigned narenas;
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ql_head(ctl_arena_stats_t) destroyed;
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/*
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* Element 0 contains merged stats for extant arenas (accessed via
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* MALLCTL_ARENAS_ALL), element 1 contains merged stats for destroyed
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* arenas (accessed via MALLCTL_ARENAS_DESTROYED), and the remaining
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* MALLOCX_ARENA_MAX+1 elements correspond to arenas.
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*/
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ctl_arena_stats_t *arenas[MALLOCX_ARENA_MAX + 3];
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};
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#endif /* JEMALLOC_H_STRUCTS */
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/******************************************************************************/
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#ifdef JEMALLOC_H_EXTERNS
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int ctl_byname(tsd_t *tsd, const char *name, void *oldp, size_t *oldlenp,
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void *newp, size_t newlen);
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int ctl_nametomib(tsdn_t *tsdn, const char *name, size_t *mibp,
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size_t *miblenp);
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int ctl_bymib(tsd_t *tsd, const size_t *mib, size_t miblen, void *oldp,
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size_t *oldlenp, void *newp, size_t newlen);
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bool ctl_boot(void);
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void ctl_prefork(tsdn_t *tsdn);
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void ctl_postfork_parent(tsdn_t *tsdn);
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void ctl_postfork_child(tsdn_t *tsdn);
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#define xmallctl(name, oldp, oldlenp, newp, newlen) do { \
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if (je_mallctl(name, oldp, oldlenp, newp, newlen) \
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!= 0) { \
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malloc_printf( \
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"<jemalloc>: Failure in xmallctl(\"%s\", ...)\n", \
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name); \
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abort(); \
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} \
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} while (0)
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#define xmallctlnametomib(name, mibp, miblenp) do { \
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if (je_mallctlnametomib(name, mibp, miblenp) != 0) { \
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malloc_printf("<jemalloc>: Failure in " \
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"xmallctlnametomib(\"%s\", ...)\n", name); \
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abort(); \
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} \
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} while (0)
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#define xmallctlbymib(mib, miblen, oldp, oldlenp, newp, newlen) do { \
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if (je_mallctlbymib(mib, miblen, oldp, oldlenp, newp, \
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newlen) != 0) { \
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malloc_write( \
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"<jemalloc>: Failure in xmallctlbymib()\n"); \
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abort(); \
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} \
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} while (0)
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#endif /* JEMALLOC_H_EXTERNS */
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/******************************************************************************/
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#ifdef JEMALLOC_H_INLINES
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#endif /* JEMALLOC_H_INLINES */
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/******************************************************************************/
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