diff options
Diffstat (limited to 'deps/jemalloc/include/jemalloc/internal/ctl.h')
| -rw-r--r-- | deps/jemalloc/include/jemalloc/internal/ctl.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/deps/jemalloc/include/jemalloc/internal/ctl.h b/deps/jemalloc/include/jemalloc/internal/ctl.h new file mode 100644 index 0000000..63d27f8 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/ctl.h @@ -0,0 +1,159 @@ +#ifndef JEMALLOC_INTERNAL_CTL_H +#define JEMALLOC_INTERNAL_CTL_H + +#include "jemalloc/internal/jemalloc_internal_types.h" +#include "jemalloc/internal/malloc_io.h" +#include "jemalloc/internal/mutex_prof.h" +#include "jemalloc/internal/ql.h" +#include "jemalloc/internal/sc.h" +#include "jemalloc/internal/stats.h" + +/* Maximum ctl tree depth. */ +#define CTL_MAX_DEPTH 7 + +typedef struct ctl_node_s { + bool named; +} ctl_node_t; + +typedef struct ctl_named_node_s { + ctl_node_t node; + const char *name; + /* If (nchildren == 0), this is a terminal node. */ + size_t nchildren; + const ctl_node_t *children; + int (*ctl)(tsd_t *, const size_t *, size_t, void *, size_t *, void *, + size_t); +} ctl_named_node_t; + +typedef struct ctl_indexed_node_s { + struct ctl_node_s node; + const ctl_named_node_t *(*index)(tsdn_t *, const size_t *, size_t, + size_t); +} ctl_indexed_node_t; + +typedef struct ctl_arena_stats_s { + arena_stats_t astats; + + /* Aggregate stats for small size classes, based on bin stats. */ + size_t allocated_small; + uint64_t nmalloc_small; + uint64_t ndalloc_small; + uint64_t nrequests_small; + uint64_t nfills_small; + uint64_t nflushes_small; + + bin_stats_data_t bstats[SC_NBINS]; + arena_stats_large_t lstats[SC_NSIZES - SC_NBINS]; + pac_estats_t estats[SC_NPSIZES]; + hpa_shard_stats_t hpastats; + sec_stats_t secstats; +} ctl_arena_stats_t; + +typedef struct ctl_stats_s { + size_t allocated; + size_t active; + size_t metadata; + size_t metadata_thp; + size_t resident; + size_t mapped; + size_t retained; + + background_thread_stats_t background_thread; + mutex_prof_data_t mutex_prof_data[mutex_prof_num_global_mutexes]; +} ctl_stats_t; + +typedef struct ctl_arena_s ctl_arena_t; +struct ctl_arena_s { + unsigned arena_ind; + bool initialized; + ql_elm(ctl_arena_t) destroyed_link; + + /* Basic stats, supported even if !config_stats. */ + unsigned nthreads; + const char *dss; + ssize_t dirty_decay_ms; + ssize_t muzzy_decay_ms; + size_t pactive; + size_t pdirty; + size_t pmuzzy; + + /* NULL if !config_stats. */ + ctl_arena_stats_t *astats; +}; + +typedef struct ctl_arenas_s { + uint64_t epoch; + unsigned narenas; + ql_head(ctl_arena_t) destroyed; + + /* + * Element 0 corresponds to merged stats for extant arenas (accessed via + * MALLCTL_ARENAS_ALL), element 1 corresponds to merged stats for + * destroyed arenas (accessed via MALLCTL_ARENAS_DESTROYED), and the + * remaining MALLOCX_ARENA_LIMIT elements correspond to arenas. + */ + ctl_arena_t *arenas[2 + MALLOCX_ARENA_LIMIT]; +} ctl_arenas_t; + +int ctl_byname(tsd_t *tsd, const char *name, void *oldp, size_t *oldlenp, + void *newp, size_t newlen); +int ctl_nametomib(tsd_t *tsd, const char *name, size_t *mibp, size_t *miblenp); +int ctl_bymib(tsd_t *tsd, const size_t *mib, size_t miblen, void *oldp, + size_t *oldlenp, void *newp, size_t newlen); +int ctl_mibnametomib(tsd_t *tsd, size_t *mib, size_t miblen, const char *name, + size_t *miblenp); +int ctl_bymibname(tsd_t *tsd, size_t *mib, size_t miblen, const char *name, + size_t *miblenp, void *oldp, size_t *oldlenp, void *newp, size_t newlen); +bool ctl_boot(void); +void ctl_prefork(tsdn_t *tsdn); +void ctl_postfork_parent(tsdn_t *tsdn); +void ctl_postfork_child(tsdn_t *tsdn); +void ctl_mtx_assert_held(tsdn_t *tsdn); + +#define xmallctl(name, oldp, oldlenp, newp, newlen) do { \ + if (je_mallctl(name, oldp, oldlenp, newp, newlen) \ + != 0) { \ + malloc_printf( \ + "<jemalloc>: Failure in xmallctl(\"%s\", ...)\n", \ + name); \ + abort(); \ + } \ +} while (0) + +#define xmallctlnametomib(name, mibp, miblenp) do { \ + if (je_mallctlnametomib(name, mibp, miblenp) != 0) { \ + malloc_printf("<jemalloc>: Failure in " \ + "xmallctlnametomib(\"%s\", ...)\n", name); \ + abort(); \ + } \ +} while (0) + +#define xmallctlbymib(mib, miblen, oldp, oldlenp, newp, newlen) do { \ + if (je_mallctlbymib(mib, miblen, oldp, oldlenp, newp, \ + newlen) != 0) { \ + malloc_write( \ + "<jemalloc>: Failure in xmallctlbymib()\n"); \ + abort(); \ + } \ +} while (0) + +#define xmallctlmibnametomib(mib, miblen, name, miblenp) do { \ + if (ctl_mibnametomib(tsd_fetch(), mib, miblen, name, miblenp) \ + != 0) { \ + malloc_write( \ + "<jemalloc>: Failure in ctl_mibnametomib()\n"); \ + abort(); \ + } \ +} while (0) + +#define xmallctlbymibname(mib, miblen, name, miblenp, oldp, oldlenp, \ + newp, newlen) do { \ + if (ctl_bymibname(tsd_fetch(), mib, miblen, name, miblenp, \ + oldp, oldlenp, newp, newlen) != 0) { \ + malloc_write( \ + "<jemalloc>: Failure in ctl_bymibname()\n"); \ + abort(); \ + } \ +} while (0) + +#endif /* JEMALLOC_INTERNAL_CTL_H */ |