#define JEMALLOC_CTL_C_
#include "jemalloc/internal/jemalloc_internal.h"
/******************************************************************************/
/* Data. */
/*
* ctl_mtx protects the following:
* - ctl_stats.*
*/
static malloc_mutex_t ctl_mtx;
static bool ctl_initialized;
static uint64_t ctl_epoch;
static ctl_stats_t ctl_stats;
/******************************************************************************/
/* Helpers for named and indexed nodes. */
JEMALLOC_INLINE_C const ctl_named_node_t *
ctl_named_node(const ctl_node_t *node)
{
return ((node->named) ? (const ctl_named_node_t *)node : NULL);
}
JEMALLOC_INLINE_C const ctl_named_node_t *
ctl_named_children(const ctl_named_node_t *node, size_t index)
{
const ctl_named_node_t *children = ctl_named_node(node->children);
return (children ? &children[index] : NULL);
}
JEMALLOC_INLINE_C const ctl_indexed_node_t *
ctl_indexed_node(const ctl_node_t *node)
{
return (!node->named ? (const ctl_indexed_node_t *)node : NULL);
}
/******************************************************************************/
/* Function prototypes for non-inline static functions. */
#define CTL_PROTO(n) \
static int n##_ctl(const size_t *mib, size_t miblen, void *oldp, \
size_t *oldlenp, void *newp, size_t newlen);
#define INDEX_PROTO(n) \
static const ctl_named_node_t *n##_index(const size_t *mib, \
size_t miblen, size_t i);
static bool ctl_arena_init(ctl_arena_stats_t *astats);
static void ctl_arena_clear(ctl_arena_stats_t *astats);
static void ctl_arena_stats_amerge(ctl_arena_stats_t *cstats,
arena_t *arena);
static void ctl_arena_stats_smerge(ctl_arena_stats_t *sstats,
ctl_arena_stats_t *astats);
static void ctl_arena_refresh(arena_t *arena, unsigned i);
static bool ctl_grow(void);
static void ctl_refresh(void);
static bool ctl_init(void);
static int ctl_lookup(const char *name, ctl_node_t const **nodesp,
size_t *mibp, size_t *depthp);
CTL_PROTO(version)
CTL_PROTO(epoch)
CTL_PROTO(thread_tcache_enabled)
CTL_PROTO(thread_tcache_flush)
CTL_PROTO(thread_prof_name)
CTL_PROTO(thread_prof_active)
CTL_PROTO(thread_arena)
CTL_PROTO(thread_allocated)
CTL_PROTO(thread_allocatedp)
CTL_PROTO(thread_deallocated)
CTL_PROTO(thread_deallocatedp)
CTL_PROTO(config_cache_oblivious)
CTL_PROTO(config_debug)
CTL_PROTO(config_fill)
CTL_PROTO(config_lazy_lock)
CTL_PROTO(config_malloc_conf)
CTL_PROTO(config_munmap)
CTL_PROTO(config_prof)
CTL_PROTO(config_prof_libgcc)
CTL_PROTO(config_prof_libunwind)
CTL_PROTO(config_stats)
CTL_PROTO(config_tcache)
CTL_PROTO(config_tls)
CTL_PROTO(config_utrace)
CTL_PROTO(config_valgrind)
CTL_PROTO(config_xmalloc)
CTL_PROTO(opt_abort)
CTL_PROTO(opt_dss)
CTL_PROTO(opt_lg_chunk)
CTL_PROTO(opt_narenas)
CTL_PROTO(opt_purge)
CTL_PROTO(opt_lg_dirty_mult)
CTL_PROTO(opt_decay_time)
CTL_PROTO(opt_stats_print)
CTL_PROTO(opt_junk)
CTL_PROTO(opt_zero)
CTL_PROTO(opt_quarantine)
CTL_PROTO(opt_redzone)
CTL_PROTO(opt_utrace)
CTL_PROTO(opt_xmalloc)
CTL_PROTO(opt_tcache)
CTL_PROTO(opt_lg_tcache_max)
CTL_PROTO(opt_prof)
CTL_PROTO(opt_prof_prefix)
CTL_PROTO(opt_prof_active)
CTL_PROTO(opt_prof_thread_active_init)
CTL_PROTO(opt_lg_prof_sample)
CTL_PROTO(opt_lg_prof_interval)
CTL_PROTO(opt_prof_gdump)
CTL_PROTO(opt_prof_final)
CTL_PROTO(opt_prof_leak)
CTL_PROTO(opt_prof_accum)
CTL_PROTO(tcache_create)
CTL_PROTO(tcache_flush)
CTL_PROTO(tcache_destroy)
static void arena_i_purge(unsigned arena_ind, bool all);
CTL_PROTO(arena_i_purge)
CTL_PROTO(arena_i_decay)
CTL_PROTO(arena_i_dss)
CTL_PROTO(arena_i_lg_dirty_mult)
CTL_PROTO(arena_i_decay_time)
CTL_PROTO(arena_i_chunk_hooks)
INDEX_PROTO(arena_i)
CTL_PROTO(arenas_bin_i_size)
CTL_PROTO(arenas_bin_i_nregs)
CTL_PROTO(arenas_bin_i_run_size)
INDEX_PROTO(arenas_bin_i)
CTL_PROTO(arenas_lrun_i_size)
INDEX_PROTO(arenas_lrun_i)
CTL_PROTO(arenas_hchunk_i_size)
INDEX_PROTO(arenas_hchunk_i)
CTL_PROTO(arenas_narenas)
CTL_PROTO(arenas_initialized)
CTL_PROTO(arenas_lg_dirty_mult)
CTL_PROTO(arenas_decay_time)
CTL_PROTO(arenas_quantum)
CTL_PROTO(arenas_page)
CTL_PROTO(arenas_tcache_max)
CTL_PROTO(arenas_nbins)
CTL_PROTO(arenas_nhbins)
CTL_PROTO(arenas_nlruns)
CTL_PROTO(arenas_nhchunks)
CTL_PROTO(arenas_extend)
CTL_PROTO(prof_thread_active_init)
CTL_PROTO(prof_active)
CTL_PROTO(prof_dump)
CTL_PROTO(prof_gdump)
CTL_PROTO(prof_reset)
CTL_PROTO(prof_interval)
CTL_PROTO(lg_prof_sample)
CTL_PROTO(stats_arenas_i_small_allocated)
CTL_PROTO(stats_arenas_i_small_nmalloc)
CTL_PROTO(stats_arenas_i_small_ndalloc)
CTL_PROTO(stats_arenas_i_small_nrequests)
CTL_PROTO(stats_arenas_i_large_allocated)
CTL_PROTO(stats_arenas_i_large_nmalloc)
CTL_PROTO(stats_arenas_i_large_ndalloc)
CTL_PROTO(stats_arenas_i_large_nrequests)
CTL_PROTO(stats_arenas_i_huge_allocated)
CTL_PROTO(stats_arenas_i_huge_nmalloc)
CTL_PROTO(stats_arenas_i_huge_ndalloc)
CTL_PROTO(stats_arenas_i_huge_nrequests)
CTL_PROTO(stats_arenas_i_bins_j_nmalloc)
CTL_PROTO(stats_arenas_i_bins_j_ndalloc)
CTL_PROTO(stats_arenas_i_bins_j_nrequests)
CTL_PROTO(stats_arenas_i_bins_j_curregs)
CTL_PROTO(stats_arenas_i_bins_j_nfills)
CTL_PROTO(stats_arenas_i_bins_j_nflushes)
CTL_PROTO(stats_arenas_i_bins_j_nruns)
CTL_PROTO(stats_arenas_i_bins_j_nreruns)
CTL_PROTO(stats_arenas_i_bins_j_curruns)
INDEX_PROTO(stats_arenas_i_bins_j)
CTL_PROTO(stats_arenas_i_lruns_j_nmalloc)
CTL_PROTO(stats_arenas_i_lruns_j_ndalloc)
CTL_PROTO(stats_arenas_i_lruns_j_nrequests)
CTL_PROTO(stats_arenas_i_lruns_j_curruns)
INDEX_PROTO(stats_arenas_i_lruns_j)
CTL_PROTO(stats_arenas_i_hchunks_j_nmalloc)
CTL_PROTO(stats_arenas_i_hchunks_j_ndalloc)
CTL_PROTO(stats_arenas_i_hchunks_j_nrequests)
CTL_PROTO(stats_arenas_i_hchunks_j_curhchunks)
INDEX_PROTO(stats_arenas_i_hchunks_j)
CTL_PROTO(stats_arenas_i_nthreads)
CTL_PROTO(stats_arenas_i_dss)
CTL_PROTO(stats_arenas_i_lg_dirty_mult)
CTL_PROTO(stats_arenas_i_decay_time)
CTL_PROTO(stats_arenas_i_pactive)
CTL_PROTO(stats_arenas_i_pdirty)
CTL_PROTO(stats_arenas_i_mapped)
CTL_PROTO(stats_arenas_i_npurge)
CTL_PROTO(stats_arenas_i_nmadvise)
CTL_PROTO(stats_arenas_i_purged)
CTL_PROTO(stats_arenas_i_metadata_mapped)
CTL_PROTO(stats_arenas_i_metadata_allocated)
INDEX_PROTO(stats_arenas_i)
CTL_PROTO(stats_cactive)
CTL_PROTO(stats_allocated)
CTL_PROTO(stats_active)
CTL_PROTO(stats_metadata)
CTL_PROTO(stats_resident)
CTL_PROTO(stats_mapped)
/******************************************************************************/
/* mallctl tree. */
/* Maximum tree depth. */
#define CTL_MAX_DEPTH 6
#define NAME(n) {true}, n
#define CHILD(t, c) \
sizeof(c##_node) / sizeof(ctl_##t##_node_t), \
(ctl_node_t *)c##_node, \
NULL
#define CTL(c) 0, NULL, c##_ctl
/*
* Only handles internal indexed nodes, since there are currently no external
* ones.
*/
#define INDEX(i) {false}, i##_index
static const ctl_named_node_t thread_tcache_node[] = {
{NAME("enabled"), CTL(thread_tcache_enabled)},
{NAME("flush"), CTL(thread_tcache_flush)}
};
static const ctl_named_node_t thread_prof_node[] = {
{NAME("name"), CTL(thread_prof_name)},
{NAME("active"), CTL(thread_prof_active)}
};
static const ctl_named_node_t thread_node[] = {
{NAME("arena"), CTL(thread_arena)},
{NAME("allocated"), CTL(thread_allocated)},
{NAME("allocatedp"), CTL(thread_allocatedp)},
{NAME("deallocated"), CTL(thread_deallocated)},
{NAME("deallocatedp"), CTL(thread_deallocatedp)},
{NAME("tcache"), CHILD(named, thread_tcache)},
{NAME("prof"), CHILD(named, thread_prof)}
};
static const ctl_named_node_t config_node[] = {
{NAME("cache_oblivious"), CTL(config_cache_oblivious)},
{NAME("debug"), CTL(config_debug)},
{NAME("fill"), CTL(config_fill)},
{NAME("lazy_lock"), CTL(config_lazy_lock)},
{NAME("malloc_conf"), CTL(config_malloc_conf)},
{NAME("munmap"), CTL(config_munmap)},
{NAME("prof"), CTL(config_prof)},
{NAME("prof_libgcc"), CTL(config_prof_libgcc)},
{NAME("prof_libunwind"), CTL(config_prof_libunwind)},
{NAME("stats"), CTL(config_stats)},
{NAME("tcache"), CTL(config_tcache)},
{NAME("tls"), CTL(config_tls)},
{NAME("utrace"), CTL(config_utrace)},
{NAME("valgrind"), CTL(config_valgrind)},
{NAME("xmalloc"), CTL(config_xmalloc)}
};
static const ctl_named_node_t opt_node[] = {
{NAME("abort"), CTL(opt_abort)},
{NAME("dss"), CTL(opt_dss)},
{NAME("lg_chunk"), CTL(opt_lg_chunk)},
{NAME("narenas"), CTL(opt_narenas)},
{NAME("purge"), CTL(opt_purge)},
{NAME("lg_dirty_mult"), CTL(opt_lg_dirty_mult)},
{NAME("decay_time"), CTL(opt_decay_time)},
{NAME("stats_print"), CTL(opt_stats_print)},
{NAME("junk"), CTL(opt_junk)},
{NAME("zero"), CTL(opt_zero)},
{NAME("quarantine"), CTL(opt_quarantine)},
{NAME("redzone"), CTL(opt_redzone)},
{NAME("utrace"), CTL(opt_utrace)},
{NAME("xmalloc"), CTL(opt_xmalloc)},
{NAME("tcache"), CTL(opt_tcache)},
{NAME("lg_tcache_max"), CTL(opt_lg_tcache_max)},
{NAME("prof"), CTL(opt_prof)},
{NAME("prof_prefix"), CTL(opt_prof_prefix)},
{NAME("prof_active"), CTL(opt_prof_active)},
{NAME("prof_thread_active_init"), CTL(opt_prof_thread_active_init)},
{NAME("lg_prof_sample"), CTL(opt_lg_prof_sample)},
{NAME("lg_prof_interval"), CTL(opt_lg_prof_interval)},
{NAME("prof_gdump"), CTL(opt_prof_gdump)},
{NAME("prof_final"), CTL(opt_prof_final)},
{NAME("prof_leak"), CTL(opt_prof_leak)},
{NAME("prof_accum"), CTL(opt_prof_accum)}
};
static const ctl_named_node_t tcache_node[] = {
{NAME("create"), CTL(tcache_create)},
{NAME("flush"), CTL(tcache_flush)},
{NAME("destroy"), CTL(tcache_destroy)}
};
static const ctl_named_node_t arena_i_node[] = {
{NAME("purge"), CTL(arena_i_purge)},
{NAME("decay"), CTL(arena_i_decay)},
{NAME("dss"), CTL(arena_i_dss)},
{NAME("lg_dirty_mult"), CTL(arena_i_lg_dirty_mult)},
{NAME("decay_time"), CTL(arena_i_decay_time)},
{NAME("chunk_hooks"), CTL(arena_i_chunk_hooks)}
};
static const ctl_named_node_t super_arena_i_node[] = {
{NAME(""), CHILD(named, arena_i)}
};
static const ctl_indexed_node_t arena_node[] = {
{INDEX(arena_i)}
};
static const ctl_named_node_t arenas_bin_i_node[] = {
{NAME("size"), CTL(arenas_bin_i_size)},
{NAME("nregs"), CTL(arenas_bin_i_nregs)},
{NAME("run_size"), CTL(arenas_bin_i_run_size)}
};
static const ctl_named_node_t super_arenas_bin_i_node[] = {
{NAME(""), CHILD(named, arenas_bin_i)}
};
static const ctl_indexed_node_t arenas_bin_node[] = {
{INDEX(arenas_bin_i)}
};
static const ctl_named_node_t arenas_lrun_i_node[] = {
{NAME("size"), CTL(arenas_lrun_i_size)}
};
static const ctl_named_node_t super_arenas_lrun_i_node[] = {
{NAME(""), CHILD(named, arenas_lrun_i)}
};
static const ctl_indexed_node_t arenas_lrun_node[] = {
{INDEX(arenas_lrun_i)}
};
static const ctl_named_node_t arenas_hchunk_i_node[] = {
{NAME("size"), CTL(arenas_hchunk_i_size)}
};
static const ctl_named_node_t super_arenas_hchunk_i_node[] = {
{NAME(""), CHILD(named, arenas_hchunk_i)}
};
static const ctl_indexed_node_t arenas_hchunk_node[] = {
{INDEX(arenas_hchunk_i)}
};
static const ctl_named_node_t arenas_node[] = {
{NAME("narenas"), CTL(arenas_narenas)},
{NAME("initialized"), CTL(arenas_initialized)},
{NAME("lg_dirty_mult"), CTL(arenas_lg_dirty_mult)},
{NAME("decay_time"), CTL(arenas_decay_time)},
{NAME("quantum"), CTL(arenas_quantum)},
{NAME("page"), CTL(arenas_page)},
{NAME("tcache_max"), CTL(arenas_tcache_max)},
{NAME("nbins"), CTL(arenas_nbins)},
{NAME("nhbins"), CTL(arenas_nhbins)},
{NAME("bin"), CHILD(indexed, arenas_bin)},
{NAME("nlruns"), CTL(arenas_nlruns)},
{NAME("lrun"), CHILD(indexed, arenas_lrun)},
{NAME("nhchunks"), CTL(arenas_nhchunks)},
{NAME("hchunk"), CHILD(indexed, arenas_hchunk)},
{NAME("extend"), CTL(arenas_extend)}
};
static const ctl_named_node_t prof_node[] = {
{NAME("thread_active_init"), CTL(prof_thread_active_init)},
{NAME("active"), CTL(prof_active)},
{NAME("dump"), CTL(prof_dump)},
{NAME("gdump"), CTL(prof_gdump)},
{NAME("reset"), CTL(prof_reset)},
{NAME("interval"), CTL(prof_interval)},
{NAME("lg_sample"), CTL(lg_prof_sample)}
};
static const ctl_named_node_t stats_arenas_i_metadata_node[] = {
{NAME("mapped"), CTL(stats_arenas_i_metadata_mapped)},
{NAME("allocated"), CTL(stats_arenas_i_metadata_allocated)}
};
static const ctl_named_node_t stats_arenas_i_small_node[] = {
{NAME("allocated"), CTL(stats_arenas_i_small_allocated)},
{NAME("nmalloc"), CTL(stats_arenas_i_small_nmalloc)},
{NAME("ndalloc"), CTL(stats_arenas_i_small_ndalloc)},
{NAME("nrequests"), CTL(stats_arenas_i_small_nrequests)}
};
static const ctl_named_node_t stats_arenas_i_large_node[] = {
{NAME("allocated"), CTL(stats_arenas_i_large_allocated)},
{NAME("nmalloc"), CTL(stats_arenas_i_large_nmalloc)},
{NAME("ndalloc"), CTL(stats_arenas_i_large_ndalloc)},
{NAME("nrequests"), CTL(stats_arenas_i_large_nrequests)}
};
static const ctl_named_node_t stats_arenas_i_huge_node[] = {
{NAME("allocated"), CTL(stats_arenas_i_huge_allocated)},
{NAME("nmalloc"), CTL(stats_arenas_i_huge_nmalloc)},
{NAME("ndalloc"), CTL(stats_arenas_i_huge_ndalloc)},
{NAME("nrequests"), CTL(stats_arenas_i_huge_nrequests)}
};
static const ctl_named_node_t stats_arenas_i_bins_j_node[] = {
{NAME("nmalloc"), CTL(stats_arenas_i_bins_j_nmalloc)},
{NAME("ndalloc"), CTL(stats_arenas_i_bins_j_ndalloc)},
{NAME("nrequests"), CTL(stats_arenas_i_bins_j_nrequests)},
{NAME("curregs"), CTL(stats_arenas_i_bins_j_curregs)},
{NAME("nfills"), CTL(stats_arenas_i_bins_j_nfills)},
{NAME("nflushes"), CTL(stats_arenas_i_bins_j_nflushes)},
{NAME("nruns"), CTL(stats_arenas_i_bins_j_nruns)},
{NAME("nreruns"), CTL(stats_arenas_i_bins_j_nreruns)},
{NAME("curruns"), CTL(stats_arenas_i_bins_j_curruns)}
};
static const ctl_named_node_t super_stats_arenas_i_bins_j_node[] = {
{NAME(""), CHILD(named, stats_arenas_i_bins_j)}
};
static const ctl_indexed_node_t stats_arenas_i_bins_node[] = {
{INDEX(stats_arenas_i_bins_j)}
};
static const ctl_named_node_t stats_arenas_i_lruns_j_node[] = {
{NAME("nmalloc"), CTL(stats_arenas_i_lruns_j_nmalloc)},
{NAME("ndalloc"), CTL(stats_arenas_i_lruns_j_ndalloc)},
{NAME("nrequests"), CTL(stats_arenas_i_lruns_j_nrequests)},
{NAME("curruns"), CTL(stats_arenas_i_lruns_j_curruns)}
};
static const ctl_named_node_t super_stats_arenas_i_lruns_j_node[] = {
{NAME(""), CHILD(named, stats_arenas_i_lruns_j)}
};
static const ctl_indexed_node_t stats_arenas_i_lruns_node[] = {
{INDEX(stats_arenas_i_lruns_j)}
};
static const ctl_named_node_t stats_arenas_i_hchunks_j_node[] = {
{NAME("nmalloc"), CTL(stats_arenas_i_hchunks_j_nmalloc)},
{NAME("ndalloc"), CTL(stats_arenas_i_hchunks_j_ndalloc)},
{NAME("nrequests"), CTL(stats_arenas_i_hchunks_j_nrequests)},
{NAME("curhchunks"), CTL(stats_arenas_i_hchunks_j_curhchunks)}
};
static const ctl_named_node_t super_stats_arenas_i_hchunks_j_node[] = {
{NAME(""), CHILD(named, stats_arenas_i_hchunks_j)}
};
static const ctl_indexed_node_t stats_arenas_i_hchunks_node[] = {
{INDEX(stats_arenas_i_hchunks_j)}
};
static const ctl_named_node_t stats_arenas_i_node[] = {
{NAME("nthreads"), CTL(stats_arenas_i_nthreads)},
{NAME("dss"), CTL(stats_arenas_i_dss)},
{NAME("lg_dirty_mult"), CTL(stats_arenas_i_lg_dirty_mult)},
{NAME("decay_time"), CTL(stats_arenas_i_decay_time)},
{NAME("pactive"), CTL(stats_arenas_i_pactive)},
{NAME("pdirty"), CTL(stats_arenas_i_pdirty)},
{NAME("mapped"), CTL(stats_arenas_i_mapped)},
{NAME("npurge"), CTL(stats_arenas_i_npurge)},
{NAME("nmadvise"), CTL(stats_arenas_i_nmadvise)},
{NAME("purged"), CTL(stats_arenas_i_purged)},
{NAME("metadata"), CHILD(named, stats_arenas_i_metadata)},
{NAME("small"), CHILD(named, stats_arenas_i_small)},
{NAME("large"), CHILD(named, stats_arenas_i_large)},
{NAME("huge"), CHILD(named, stats_arenas_i_huge)},
{NAME("bins"), CHILD(indexed, stats_arenas_i_bins)},
{NAME("lruns"), CHILD(indexed, stats_arenas_i_lruns)},
{NAME("hchunks"), CHILD(indexed, stats_arenas_i_hchunks)}
};
static const ctl_named_node_t super_stats_arenas_i_node[] = {
{NAME(""), CHILD(named, stats_arenas_i)}
};
static const ctl_indexed_node_t stats_arenas_node[] = {
{INDEX(stats_arenas_i)}
};
static const ctl_named_node_t stats_node[] = {
{NAME("cactive"), CTL(stats_cactive)},
{NAME("allocated"), CTL(stats_allocated)},
{NAME("active"), CTL(stats_active)},
{NAME("metadata"), CTL(stats_metadata)},
{NAME("resident"), CTL(stats_resident)},
{NAME("mapped"), CTL(stats_mapped)},
{NAME("arenas"), CHILD(indexed, stats_arenas)}
};
static const ctl_named_node_t root_node[] = {
{NAME("version"), CTL(version)},
{NAME("epoch"), CTL(epoch)},
{NAME("thread"), CHILD(named, thread)},
{NAME("config"), CHILD(named, config)},
{NAME("opt"), CHILD(named, opt)},
{NAME("tcache"), CHILD(named, tcache)},
{NAME("arena"), CHILD(indexed, arena)},
{NAME("arenas"), CHILD(named, arenas)},
{NAME("prof"), CHILD(named, prof)},
{NAME("stats"), CHILD(named, stats)}
};
static const ctl_named_node_t super_root_node[] = {
{NAME(""), CHILD(named, root)}
};
#undef NAME
#undef CHILD
#undef CTL
#undef INDEX
/******************************************************************************/
static bool
ctl_arena_init(ctl_arena_stats_t *astats)
{
if (astats->lstats == NULL) {
astats->lstats = (malloc_large_stats_t *)a0malloc(nlclasses *
sizeof(malloc_large_stats_t));
if (astats->lstats == NULL)
return (true);
}
if (astats->hstats == NULL) {
astats->hstats = (malloc_huge_stats_t *)a0malloc(nhclasses *
sizeof(malloc_huge_stats_t));
if (astats->hstats == NULL)
return (true);
}
return (false);
}
static void
ctl_arena_clear(ctl_arena_stats_t *astats)
{
astats->nthreads = 0;
astats->dss = dss_prec_names[dss_prec_limit];
astats->lg_dirty_mult = -1;
astats->decay_time = -1;
astats->pactive = 0;
astats->pdirty = 0;
if (config_stats) {
memset(&astats->astats, 0, sizeof(arena_stats_t));
astats->allocated_small = 0;
astats->nmalloc_small = 0;
astats->ndalloc_small = 0;
astats->nrequests_small = 0;
memset(astats->bstats, 0, NBINS * sizeof(malloc_bin_stats_t));
memset(astats->lstats, 0, nlclasses *
sizeof(malloc_large_stats_t));
memset(astats->hstats, 0, nhclasses *
sizeof(malloc_huge_stats_t));
}
}
static void
ctl_arena_stats_amerge(ctl_arena_stats_t *cstats, arena_t *arena)
{
unsigned i;
if (config_stats) {
arena_stats_merge(arena, &cstats->nthreads, &cstats->dss,
&cstats->lg_dirty_mult, &cstats->decay_time,
&cstats->pactive, &cstats->pdirty, &cstats->astats,
cstats->bstats, cstats->lstats, cstats->hstats);
for (i = 0; i < NBINS; i++) {
cstats->allocated_small += cstats->bstats[i].curregs *
index2size(i);
cstats->nmalloc_small += cstats->bstats[i].nmalloc;
cstats->ndalloc_small += cstats->bstats[i].ndalloc;
cstats->nrequests_small += cstats->bstats[i].nrequests;
}
} else {
arena_basic_stats_merge(arena, &cstats->nthreads, &cstats->dss,
&cstats->lg_dirty_mult, &cstats->decay_time,
&cstats->pactive, &cstats->pdirty);
}
}
static void
ctl_arena_stats_smerge(ctl_arena_stats_t *sstats, ctl_arena_stats_t *astats)
{
unsigned i;
sstats->nthreads += astats->nthreads;
sstats->pactive += astats->pactive;
sstats->pdirty += astats->pdirty;
if (config_stats) {
sstats->astats.mapped += astats->astats.mapped;
sstats->astats.npurge += astats->astats.npurge;
sstats->astats.nmadvise += astats->astats.nmadvise;
sstats->astats.purged += astats->astats.purged;
sstats->astats.metadata_mapped +=
astats->astats.metadata_mapped;
sstats->astats.metadata_allocated +=
astats->astats.metadata_allocated;
sstats->allocated_small += astats->allocated_small;
sstats->nmalloc_small += astats->nmalloc_small;
sstats->ndalloc_small += astats->ndalloc_small;
sstats->nrequests_small += astats->nrequests_small;
sstats->astats.allocated_large +=
astats->astats.allocated_large;
sstats->astats.nmalloc_large += astats->astats.nmalloc_large;
sstats->astats.ndalloc_large += astats->astats.ndalloc_large;
sstats->astats.nrequests_large +=
astats->astats.nrequests_large;
sstats->astats.allocated_huge += astats->astats.allocated_huge;
sstats->astats.nmalloc_huge += astats->astats.nmalloc_huge;
sstats->astats.ndalloc_huge += astats->astats.ndalloc_huge;
for (i = 0; i < NBINS; i++) {
sstats->bstats[i].nmalloc += astats->bstats[i].nmalloc;
sstats->bstats[i].ndalloc += astats->bstats[i].ndalloc;
sstats->bstats[i].nrequests +=
astats->bstats[i].nrequests;
sstats->bstats[i].curregs += astats->bstats[i].curregs;
if (config_tcache) {
sstats->bstats[i].nfills +=
astats->bstats[i].nfills;
sstats->bstats[i].nflushes +=
astats->bstats[i].nflushes;
}
sstats->bstats[i].nruns += astats->bstats[i].nruns;
sstats->bstats[i].reruns += astats->bstats[i].reruns;
sstats->bstats[i].curruns += astats->bstats[i].curruns;
}
for (i = 0; i < nlclasses; i++) {
sstats->lstats[i].nmalloc += astats->lstats[i].nmalloc;
sstats->lstats[i].ndalloc += astats->lstats[i].ndalloc;
sstats->lstats[i].nrequests +=
astats->lstats[i].nrequests;
sstats->lstats[i].curruns += astats->lstats[i].curruns;
}
for (i = 0; i < nhclasses; i++) {
sstats->hstats[i].nmalloc += astats->hstats[i].nmalloc;
sstats->hstats[i].ndalloc += astats->hstats[i].ndalloc;
sstats->hstats[i].curhchunks +=
astats->hstats[i].curhchunks;
}
}
}
static void
ctl_arena_refresh(arena_t *arena, unsigned i)
{
ctl_arena_stats_t *astats = &ctl_stats.arenas[i];
ctl_arena_stats_t *sstats = &ctl_stats.arenas[ctl_stats.narenas];
ctl_arena_clear(astats);
ctl_arena_stats_amerge(astats, arena);
/* Merge into sum stats as well. */
ctl_arena_stats_smerge(sstats, astats);
}
static bool
ctl_grow(void)
{
ctl_arena_stats_t *astats;
/* Initialize new arena. */
if (arena_init(ctl_stats.narenas) == NULL)
return (true);
/* Allocate extended arena stats. */
astats = (ctl_arena_stats_t *)a0malloc((ctl_stats.narenas + 2) *
sizeof(ctl_arena_stats_t));
if (astats == NULL)
return (true);
/* Initialize the new astats element. */
memcpy(astats, ctl_stats.arenas, (ctl_stats.narenas + 1) *
sizeof(ctl_arena_stats_t));
memset(&astats[ctl_stats.narenas + 1], 0, sizeof(ctl_arena_stats_t));
if (ctl_arena_init(&astats[ctl_stats.narenas + 1])) {
a0dalloc(astats);
return (true);
}
/* Swap merged stats to their new location. */
{
ctl_arena_stats_t tstats;
memcpy(&tstats, &astats[ctl_stats.narenas],
sizeof(ctl_arena_stats_t));
memcpy(&astats[ctl_stats.narenas],
&astats[ctl_stats.narenas + 1], sizeof(ctl_arena_stats_t));
memcpy(&astats[ctl_stats.narenas + 1], &tstats,
sizeof(ctl_arena_stats_t));
}
a0dalloc(ctl_stats.arenas);
ctl_stats.arenas = astats;
ctl_stats.narenas++;
return (false);
}
static void
ctl_refresh(void)
{
unsigned i;
VARIABLE_ARRAY(arena_t *, tarenas, ctl_stats.narenas);
/*
* Clear sum stats, since they will be merged into by
* ctl_arena_refresh().
*/
ctl_arena_clear(&ctl_stats.arenas[ctl_stats.narenas]);
for (i = 0; i < ctl_stats.narenas; i++)
tarenas[i] = arena_get(i, false);
for (i = 0; i < ctl_stats.narenas; i++) {
bool initialized = (tarenas[i] != NULL);
ctl_stats.arenas[i].initialized = initialized;
if (initialized)
ctl_arena_refresh(tarenas[i], i);
}
if (config_stats) {
size_t base_allocated, base_resident, base_mapped;
base_stats_get(&base_allocated, &base_resident, &base_mapped);
ctl_stats.allocated =
ctl_stats.arenas[ctl_stats.narenas].allocated_small +
ctl_stats.arenas[ctl_stats.narenas].astats.allocated_large +
ctl_stats.arenas[ctl_stats.narenas].astats.allocated_huge;
ctl_stats.active =
(ctl_stats.arenas[ctl_stats.narenas].pactive << LG_PAGE);
ctl_stats.metadata = base_allocated +
ctl_stats.arenas[ctl_stats.narenas].astats.metadata_mapped +
ctl_stats.arenas[ctl_stats.narenas].astats
.metadata_allocated;
ctl_stats.resident = base_resident +
ctl_stats.arenas[ctl_stats.narenas].astats.metadata_mapped +
((ctl_stats.arenas[ctl_stats.narenas].pactive +
ctl_stats.arenas[ctl_stats.narenas].pdirty) << LG_PAGE);
ctl_stats.mapped = base_mapped +
ctl_stats.arenas[ctl_stats.narenas].astats.mapped;
}
ctl_epoch++;
}
static bool
ctl_init(void)
{
bool ret;
malloc_mutex_lock(&ctl_mtx);
if (!ctl_initialized) {
/*
* Allocate space for one extra arena stats element, which
* contains summed stats across all arenas.
*/
ctl_stats.narenas = narenas_total_get();
ctl_stats.arenas = (ctl_arena_stats_t *)a0malloc(
(ctl_stats.narenas + 1) * sizeof(ctl_arena_stats_t));
if (ctl_stats.arenas == NULL) {
ret = true;
goto label_return;
}
memset(ctl_stats.arenas, 0, (ctl_stats.narenas + 1) *
sizeof(ctl_arena_stats_t));
/*
* Initialize all stats structures, regardless of whether they
* ever get used. Lazy initialization would allow errors to
* cause inconsistent state to be viewable by the application.
*/
if (config_stats) {
unsigned i;
for (i = 0; i <= ctl_stats.narenas; i++) {
if (ctl_arena_init(&ctl_stats.arenas[i])) {
unsigned j;
for (j = 0; j < i; j++) {
a0dalloc(
ctl_stats.arenas[j].lstats);
a0dalloc(
ctl_stats.arenas[j].hstats);
}
a0dalloc(ctl_stats.arenas);
ctl_stats.arenas = NULL;
ret = true;
goto label_return;
}
}
}
ctl_stats.arenas[ctl_stats.narenas].initialized = true;
ctl_epoch = 0;
ctl_refresh();
ctl_initialized = true;
}
ret = false;
label_return:
malloc_mutex_unlock(&ctl_mtx);
return (ret);
}
static int
ctl_lookup(const char *name, ctl_node_t const **nodesp, size_t *mibp,
size_t *depthp)
{
int ret;
const char *elm, *tdot, *dot;
size_t elen, i, j;
const ctl_named_node_t *node;
elm = name;
/* Equivalent to strchrnul(). */
dot = ((tdot = strchr(elm, '.')) != NULL) ? tdot : strchr(elm, '\0');
elen = (size_t)((uintptr_t)dot - (uintptr_t)elm);
if (elen == 0) {
ret = ENOENT;
goto label_return;
}
node = super_root_node;
for (i = 0; i < *depthp; i++) {
assert(node);
assert(node->nchildren > 0);
if (ctl_named_node(node->children) != NULL) {
const ctl_named_node_t *pnode = node;
/* Children are named. */
for (j = 0; j < node->nchildren; j++) {
const ctl_named_node_t *child =
ctl_named_children(node, j);
if (strlen(child->name) == elen &&
strncmp(elm, child->name, elen) == 0) {
node = child;
if (nodesp != NULL)
nodesp[i] =
(const ctl_node_t *)node;
mibp[i] = j;
break;
}
}
if (node == pnode) {
ret = ENOENT;
goto label_return;
}
} else {
uintmax_t index;
const ctl_indexed_node_t *inode;
/* Children are indexed. */
index = malloc_strtoumax(elm, NULL, 10);
if (index == UINTMAX_MAX || index > SIZE_T_MAX) {
ret = ENOENT;
goto label_return;
}
inode = ctl_indexed_node(node->children);
node = inode->index(mibp, *depthp, (size_t)index);
if (node == NULL) {
ret = ENOENT;
goto label_return;
}
if (nodesp != NULL)
nodesp[i] = (const ctl_node_t *)node;
mibp[i] = (size_t)index;
}
if (node->ctl != NULL) {
/* Terminal node. */
if (*dot != '\0') {
/*
* The name contains more elements than are
* in this path through the tree.
*/
ret = ENOENT;
goto label_return;
}
/* Complete lookup successful. */
*depthp = i + 1;
break;
}
/* Update elm. */
if (*dot == '\0') {
/* No more elements. */
ret = ENOENT;
goto label_return;
}
elm = &dot[1];
dot = ((tdot = strchr(elm, '.')) != NULL) ? tdot :
strchr(elm, '\0');
elen = (size_t)((uintptr_t)dot - (uintptr_t)elm);
}
ret = 0;
label_return:
return (ret);
}
int
ctl_byname(const char *name, void *oldp, size_t *oldlenp, void *newp,
size_t newlen)
{
int ret;
size_t depth;
ctl_node_t const *nodes[CTL_MAX_DEPTH];
size_t mib[CTL_MAX_DEPTH];
const ctl_named_node_t *node;
if (!ctl_initialized && ctl_init()) {
ret = EAGAIN;
goto label_return;
}
depth = CTL_MAX_DEPTH;
ret = ctl_lookup(name, nodes, mib, &depth);
if (ret != 0)
goto label_return;
node = ctl_named_node(nodes[depth-1]);
if (node != NULL && node->ctl)
ret = node->ctl(mib, depth, oldp, oldlenp, newp, newlen);
else {
/* The name refers to a partial path through the ctl tree. */
ret = ENOENT;
}
label_return:
return(ret);
}
int
ctl_nametomib(const char *name, size_t *mibp, size_t *miblenp)
{
int ret;
if (!ctl_initialized && ctl_init()) {
ret = EAGAIN;
goto label_return;
}
ret = ctl_lookup(name, NULL, mibp, miblenp);
label_return:
return(ret);
}
int
ctl_bymib(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
const ctl_named_node_t *node;
size_t i;
if (!ctl_initialized && ctl_init()) {
ret = EAGAIN;
goto label_return;
}
/* Iterate down the tree. */
node = super_root_node;
for (i = 0; i < miblen; i++) {
assert(node);
assert(node->nchildren > 0);
if (ctl_named_node(node->children) != NULL) {
/* Children are named. */
if (node->nchildren <= (unsigned)mib[i]) {
ret = ENOENT;
goto label_return;
}
node = ctl_named_children(node, mib[i]);
} else {
const ctl_indexed_node_t *inode;
/* Indexed element. */
inode = ctl_indexed_node(node->children);
node = inode->index(mib, miblen, mib[i]);
if (node == NULL) {
ret = ENOENT;
goto label_return;
}
}
}
/* Call the ctl function. */
if (node && node->ctl)
ret = node->ctl(mib, miblen, oldp, oldlenp, newp, newlen);
else {
/* Partial MIB. */
ret = ENOENT;
}
label_return:
return(ret);
}
bool
ctl_boot(void)
{
if (malloc_mutex_init(&ctl_mtx))
return (true);
ctl_initialized = false;
return (false);
}
void
ctl_prefork(void)
{
malloc_mutex_prefork(&ctl_mtx);
}
void
ctl_postfork_parent(void)
{
malloc_mutex_postfork_parent(&ctl_mtx);
}
void
ctl_postfork_child(void)
{
malloc_mutex_postfork_child(&ctl_mtx);
}
/******************************************************************************/
/* *_ctl() functions. */
#define READONLY() do { \
if (newp != NULL || newlen != 0) { \
ret = EPERM; \
goto label_return; \
} \
} while (0)
#define WRITEONLY() do { \
if (oldp != NULL || oldlenp != NULL) { \
ret = EPERM; \
goto label_return; \
} \
} while (0)
#define READ_XOR_WRITE() do { \
if ((oldp != NULL && oldlenp != NULL) && (newp != NULL || \
newlen != 0)) { \
ret = EPERM; \
goto label_return; \
} \
} while (0)
#define READ(v, t) do { \
if (oldp != NULL && oldlenp != NULL) { \
if (*oldlenp != sizeof(t)) { \
size_t copylen = (sizeof(t) <= *oldlenp) \
? sizeof(t) : *oldlenp; \
memcpy(oldp, (void *)&(v), copylen); \
ret = EINVAL; \
goto label_return; \
} \
*(t *)oldp = (v); \
} \
} while (0)
#define WRITE(v, t) do { \
if (newp != NULL) { \
if (newlen != sizeof(t)) { \
ret = EINVAL; \
goto label_return; \
} \
(v) = *(t *)newp; \
} \
} while (0)
/*
* There's a lot of code duplication in the following macros due to limitations
* in how nested cpp macros are expanded.
*/
#define CTL_RO_CLGEN(c, l, n, v, t) \
static int \
n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \
void *newp, size_t newlen) \
{ \
int ret; \
t oldval; \
\
if (!(c)) \
return (ENOENT); \
if (l) \
malloc_mutex_lock(&ctl_mtx); \
READONLY(); \
oldval = (v); \
READ(oldval, t); \
\
ret = 0; \
label_return: \
if (l) \
malloc_mutex_unlock(&ctl_mtx); \
return (ret); \
}
#define CTL_RO_CGEN(c, n, v, t) \
static int \
n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \
void *newp, size_t newlen) \
{ \
int ret; \
t oldval; \
\
if (!(c)) \
return (ENOENT); \
malloc_mutex_lock(&ctl_mtx); \
READONLY(); \
oldval = (v); \
READ(oldval, t); \
\
ret = 0; \
label_return: \
malloc_mutex_unlock(&ctl_mtx); \
return (ret); \
}
#define CTL_RO_GEN(n, v, t) \
static int \
n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \
void *newp, size_t newlen) \
{ \
int ret; \
t oldval; \
\
malloc_mutex_lock(&ctl_mtx); \
READONLY(); \
oldval = (v); \
READ(oldval, t); \
\
ret = 0; \
label_return: \
malloc_mutex_unlock(&ctl_mtx); \
return (ret); \
}
/*
* ctl_mtx is not acquired, under the assumption that no pertinent data will
* mutate during the call.
*/
#define CTL_RO_NL_CGEN(c, n, v, t) \
static int \
n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \
void *newp, size_t newlen) \
{ \
int ret; \
t oldval; \
\
if (!(c)) \
return (ENOENT); \
READONLY(); \
oldval = (v); \
READ(oldval, t); \
\
ret = 0; \
label_return: \
return (ret); \
}
#define CTL_RO_NL_GEN(n, v, t) \
static int \
n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \
void *newp, size_t newlen) \
{ \
int ret; \
t oldval; \
\
READONLY(); \
oldval = (v); \
READ(oldval, t); \
\
ret = 0; \
label_return: \
return (ret); \
}
#define CTL_TSD_RO_NL_CGEN(c, n, m, t) \
static int \
n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \
void *newp, size_t newlen) \
{ \
int ret; \
t oldval; \
tsd_t *tsd; \
\
if (!(c)) \
return (ENOENT); \
READONLY(); \
tsd = tsd_fetch(); \
oldval = (m(tsd)); \
READ(oldval, t); \
\
ret = 0; \
label_return: \
return (ret); \
}
#define CTL_RO_CONFIG_GEN(n, t) \
static int \
n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \
void *newp, size_t newlen) \
{ \
int ret; \
t oldval; \
\
READONLY(); \
oldval = n; \
READ(oldval, t); \
\
ret = 0; \
label_return: \
return (ret); \
}
/******************************************************************************/
CTL_RO_NL_GEN(version, JEMALLOC_VERSION, const char *)
static int
epoch_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
UNUSED uint64_t newval;
malloc_mutex_lock(&ctl_mtx);
WRITE(newval, uint64_t);
if (newp != NULL)
ctl_refresh();
READ(ctl_epoch, uint64_t);
ret = 0;
label_return:
malloc_mutex_unlock(&ctl_mtx);
return (ret);
}
/******************************************************************************/
CTL_RO_CONFIG_GEN(config_cache_oblivious, bool)
CTL_RO_CONFIG_GEN(config_debug, bool)
CTL_RO_CONFIG_GEN(config_fill, bool)
CTL_RO_CONFIG_GEN(config_lazy_lock, bool)
CTL_RO_CONFIG_GEN(config_malloc_conf, const char *)
CTL_RO_CONFIG_GEN(config_munmap, bool)
CTL_RO_CONFIG_GEN(config_prof, bool)
CTL_RO_CONFIG_GEN(config_prof_libgcc, bool)
CTL_RO_CONFIG_GEN(config_prof_libunwind, bool)
CTL_RO_CONFIG_GEN(config_stats, bool)
CTL_RO_CONFIG_GEN(config_tcache, bool)
CTL_RO_CONFIG_GEN(config_tls, bool)
CTL_RO_CONFIG_GEN(config_utrace, bool)
CTL_RO_CONFIG_GEN(config_valgrind, bool)
CTL_RO_CONFIG_GEN(config_xmalloc, bool)
/******************************************************************************/
CTL_RO_NL_GEN(opt_abort, opt_abort, bool)
CTL_RO_NL_GEN(opt_dss, opt_dss, const char *)
CTL_RO_NL_GEN(opt_lg_chunk, opt_lg_chunk, size_t)
CTL_RO_NL_GEN(opt_narenas, opt_narenas, unsigned)
CTL_RO_NL_GEN(opt_purge, purge_mode_names[opt_purge], const char *)
CTL_RO_NL_GEN(opt_lg_dirty_mult, opt_lg_dirty_mult, ssize_t)
CTL_RO_NL_GEN(opt_decay_time, opt_decay_time, ssize_t)
CTL_RO_NL_GEN(opt_stats_print, opt_stats_print, bool)
CTL_RO_NL_CGEN(config_fill, opt_junk, opt_junk, const char *)
CTL_RO_NL_CGEN(config_fill, opt_quarantine, opt_quarantine, size_t)
CTL_RO_NL_CGEN(config_fill, opt_redzone, opt_redzone, bool)
CTL_RO_NL_CGEN(config_fill, opt_zero, opt_zero, bool)
CTL_RO_NL_CGEN(config_utrace, opt_utrace, opt_utrace, bool)
CTL_RO_NL_CGEN(config_xmalloc, opt_xmalloc, opt_xmalloc, bool)
CTL_RO_NL_CGEN(config_tcache, opt_tcache, opt_tcache, bool)
CTL_RO_NL_CGEN(config_tcache, opt_lg_tcache_max, opt_lg_tcache_max, ssize_t)
CTL_RO_NL_CGEN(config_prof, opt_prof, opt_prof, bool)
CTL_RO_NL_CGEN(config_prof, opt_prof_prefix, opt_prof_prefix, const char *)
CTL_RO_NL_CGEN(config_prof, opt_prof_active, opt_prof_active, bool)
CTL_RO_NL_CGEN(config_prof, opt_prof_thread_active_init,
opt_prof_thread_active_init, bool)
CTL_RO_NL_CGEN(config_prof, opt_lg_prof_sample, opt_lg_prof_sample, size_t)
CTL_RO_NL_CGEN(config_prof, opt_prof_accum, opt_prof_accum, bool)
CTL_RO_NL_CGEN(config_prof, opt_lg_prof_interval, opt_lg_prof_interval, ssize_t)
CTL_RO_NL_CGEN(config_prof, opt_prof_gdump, opt_prof_gdump, bool)
CTL_RO_NL_CGEN(config_prof, opt_prof_final, opt_prof_final, bool)
CTL_RO_NL_CGEN(config_prof, opt_prof_leak, opt_prof_leak, bool)
/******************************************************************************/
static int
thread_arena_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
tsd_t *tsd;
arena_t *oldarena;
unsigned newind, oldind;
tsd = tsd_fetch();
oldarena = arena_choose(tsd, NULL);
if (oldarena == NULL)
return (EAGAIN);
malloc_mutex_lock(&ctl_mtx);
newind = oldind = oldarena->ind;
WRITE(newind, unsigned);
READ(oldind, unsigned);
if (newind != oldind) {
arena_t *newarena;
if (newind >= ctl_stats.narenas) {
/* New arena index is out of range. */
ret = EFAULT;
goto label_return;
}
/* Initialize arena if necessary. */
newarena = arena_get(newind, true);
if (newarena == NULL) {
ret = EAGAIN;
goto label_return;
}
/* Set new arena/tcache associations. */
arena_migrate(tsd, oldind, newind);
if (config_tcache) {
tcache_t *tcache = tsd_tcache_get(tsd);
if (tcache != NULL) {
tcache_arena_reassociate(tcache, oldarena,
newarena);
}
}
}
ret = 0;
label_return:
malloc_mutex_unlock(&ctl_mtx);
return (ret);
}
CTL_TSD_RO_NL_CGEN(config_stats, thread_allocated, tsd_thread_allocated_get,
uint64_t)
CTL_TSD_RO_NL_CGEN(config_stats, thread_allocatedp, tsd_thread_allocatedp_get,
uint64_t *)
CTL_TSD_RO_NL_CGEN(config_stats, thread_deallocated, tsd_thread_deallocated_get,
uint64_t)
CTL_TSD_RO_NL_CGEN(config_stats, thread_deallocatedp,
tsd_thread_deallocatedp_get, uint64_t *)
static int
thread_tcache_enabled_ctl(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen)
{
int ret;
bool oldval;
if (!config_tcache)
return (ENOENT);
oldval = tcache_enabled_get();
if (newp != NULL) {
if (newlen != sizeof(bool)) {
ret = EINVAL;
goto label_return;
}
tcache_enabled_set(*(bool *)newp);
}
READ(oldval, bool);
ret = 0;
label_return:
return (ret);
}
static int
thread_tcache_flush_ctl(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen)
{
int ret;
if (!config_tcache)
return (ENOENT);
READONLY();
WRITEONLY();
tcache_flush();
ret = 0;
label_return:
return (ret);
}
static int
thread_prof_name_ctl(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen)
{
int ret;
if (!config_prof)
return (ENOENT);
READ_XOR_WRITE();
if (newp != NULL) {
tsd_t *tsd;
if (newlen != sizeof(const char *)) {
ret = EINVAL;
goto label_return;
}
tsd = tsd_fetch();
if ((ret = prof_thread_name_set(tsd, *(const char **)newp)) !=
0)
goto label_return;
} else {
const char *oldname = prof_thread_name_get();
READ(oldname, const char *);
}
ret = 0;
label_return:
return (ret);
}
static int
thread_prof_active_ctl(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen)
{
int ret;
bool oldval;
if (!config_prof)
return (ENOENT);
oldval = prof_thread_active_get();
if (newp != NULL) {
if (newlen != sizeof(bool)) {
ret = EINVAL;
goto label_return;
}
if (prof_thread_active_set(*(bool *)newp)) {
ret = EAGAIN;
goto label_return;
}
}
READ(oldval, bool);
ret = 0;
label_return:
return (ret);
}
/******************************************************************************/
static int
tcache_create_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
tsd_t *tsd;
unsigned tcache_ind;
if (!config_tcache)
return (ENOENT);
tsd = tsd_fetch();
malloc_mutex_lock(&ctl_mtx);
READONLY();
if (tcaches_create(tsd, &tcache_ind)) {
ret = EFAULT;
goto label_return;
}
READ(tcache_ind, unsigned);
ret = 0;
label_return:
malloc_mutex_unlock(&ctl_mtx);
return (ret);
}
static int
tcache_flush_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
tsd_t *tsd;
unsigned tcache_ind;
if (!config_tcache)
return (ENOENT);
tsd = tsd_fetch();
WRITEONLY();
tcache_ind = UINT_MAX;
WRITE(tcache_ind, unsigned);
if (tcache_ind == UINT_MAX) {
ret = EFAULT;
goto label_return;
}
tcaches_flush(tsd, tcache_ind);
ret = 0;
label_return:
return (ret);
}
static int
tcache_destroy_ctl(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen)
{
int ret;
tsd_t *tsd;
unsigned tcache_ind;
if (!config_tcache)
return (ENOENT);
tsd = tsd_fetch();
WRITEONLY();
tcache_ind = UINT_MAX;
WRITE(tcache_ind, unsigned);
if (tcache_ind == UINT_MAX) {
ret = EFAULT;
goto label_return;
}
tcaches_destroy(tsd, tcache_ind);
ret = 0;
label_return:
return (ret);
}
/******************************************************************************/
static void
arena_i_purge(unsigned arena_ind, bool all)
{
malloc_mutex_lock(&ctl_mtx);
{
unsigned narenas = ctl_stats.narenas;
if (arena_ind == narenas) {
unsigned i;
VARIABLE_ARRAY(arena_t *, tarenas, narenas);
for (i = 0; i < narenas; i++)
tarenas[i] = arena_get(i, false);
/*
* No further need to hold ctl_mtx, since narenas and
* tarenas contain everything needed below.
*/
malloc_mutex_unlock(&ctl_mtx);
for (i = 0; i < narenas; i++) {
if (tarenas[i] != NULL)
arena_purge(tarenas[i], all);
}
} else {
arena_t *tarena;
assert(arena_ind < narenas);
tarena = arena_get(arena_ind, false);
/* No further need to hold ctl_mtx. */
malloc_mutex_unlock(&ctl_mtx);
if (tarena != NULL)
arena_purge(tarena, all);
}
}
}
static int
arena_i_purge_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
READONLY();
WRITEONLY();
arena_i_purge((unsigned)mib[1], true);
ret = 0;
label_return:
return (ret);
}
static int
arena_i_decay_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
READONLY();
WRITEONLY();
arena_i_purge((unsigned)mib[1], false);
ret = 0;
label_return:
return (ret);
}
static int
arena_i_dss_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
const char *dss = NULL;
unsigned arena_ind = (unsigned)mib[1];
dss_prec_t dss_prec_old = dss_prec_limit;
dss_prec_t dss_prec = dss_prec_limit;
malloc_mutex_lock(&ctl_mtx);
WRITE(dss, const char *);
if (dss != NULL) {
int i;
bool match = false;
for (i = 0; i < dss_prec_limit; i++) {
if (strcmp(dss_prec_names[i], dss) == 0) {
dss_prec = i;
match = true;
break;
}
}
if (!match) {
ret = EINVAL;
goto label_return;
}
}
if (arena_ind < ctl_stats.narenas) {
arena_t *arena = arena_get(arena_ind, false);
if (arena == NULL || (dss_prec != dss_prec_limit &&
arena_dss_prec_set(arena, dss_prec))) {
ret = EFAULT;
goto label_return;
}
dss_prec_old = arena_dss_prec_get(arena);
} else {
if (dss_prec != dss_prec_limit &&
chunk_dss_prec_set(dss_prec)) {
ret = EFAULT;
goto label_return;
}
dss_prec_old = chunk_dss_prec_get();
}
dss = dss_prec_names[dss_prec_old];
READ(dss, const char *);
ret = 0;
label_return:
malloc_mutex_unlock(&ctl_mtx);
return (ret);
}
static int
arena_i_lg_dirty_mult_ctl(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen)
{
int ret;
unsigned arena_ind = (unsigned)mib[1];
arena_t *arena;
arena = arena_get(arena_ind, false);
if (arena == NULL) {
ret = EFAULT;
goto label_return;
}
if (oldp != NULL && oldlenp != NULL) {
size_t oldval = arena_lg_dirty_mult_get(arena);
READ(oldval, ssize_t);
}
if (newp != NULL) {
if (newlen != sizeof(ssize_t)) {
ret = EINVAL;
goto label_return;
}
if (arena_lg_dirty_mult_set(arena, *(ssize_t *)newp)) {
ret = EFAULT;
goto label_return;
}
}
ret = 0;
label_return:
return (ret);
}
static int
arena_i_decay_time_ctl(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen)
{
int ret;
unsigned arena_ind = (unsigned)mib[1];
arena_t *arena;
arena = arena_get(arena_ind, false);
if (arena == NULL) {
ret = EFAULT;
goto label_return;
}
if (oldp != NULL && oldlenp != NULL) {
size_t oldval = arena_decay_time_get(arena);
READ(oldval, ssize_t);
}
if (newp != NULL) {
if (newlen != sizeof(ssize_t)) {
ret = EINVAL;
goto label_return;
}
if (arena_decay_time_set(arena, *(ssize_t *)newp)) {
ret = EFAULT;
goto label_return;
}
}
ret = 0;
label_return:
return (ret);
}
static int
arena_i_chunk_hooks_ctl(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen)
{
int ret;
unsigned arena_ind = (unsigned)mib[1];
arena_t *arena;
malloc_mutex_lock(&ctl_mtx);
if (arena_ind < narenas_total_get() && (arena =
arena_get(arena_ind, false)) != NULL) {
if (newp != NULL) {
chunk_hooks_t old_chunk_hooks, new_chunk_hooks;
WRITE(new_chunk_hooks, chunk_hooks_t);
old_chunk_hooks = chunk_hooks_set(arena,
&new_chunk_hooks);
READ(old_chunk_hooks, chunk_hooks_t);
} else {
chunk_hooks_t old_chunk_hooks = chunk_hooks_get(arena);
READ(old_chunk_hooks, chunk_hooks_t);
}
} else {
ret = EFAULT;
goto label_return;
}
ret = 0;
label_return:
malloc_mutex_unlock(&ctl_mtx);
return (ret);
}
static const ctl_named_node_t *
arena_i_index(const size_t *mib, size_t miblen, size_t i)
{
const ctl_named_node_t * ret;
malloc_mutex_lock(&ctl_mtx);
if (i > ctl_stats.narenas) {
ret = NULL;
goto label_return;
}
ret = super_arena_i_node;
label_return:
malloc_mutex_unlock(&ctl_mtx);
return (ret);
}
/******************************************************************************/
static int
arenas_narenas_ctl(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen)
{
int ret;
unsigned narenas;
malloc_mutex_lock(&ctl_mtx);
READONLY();
if (*oldlenp != sizeof(unsigned)) {
ret = EINVAL;
goto label_return;
}
narenas = ctl_stats.narenas;
READ(narenas, unsigned);
ret = 0;
label_return:
malloc_mutex_unlock(&ctl_mtx);
return (ret);
}
static int
arenas_initialized_ctl(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen)
{
int ret;
unsigned nread, i;
malloc_mutex_lock(&ctl_mtx);
READONLY();
if (*oldlenp != ctl_stats.narenas * sizeof(bool)) {
ret = EINVAL;
nread = (*oldlenp < ctl_stats.narenas * sizeof(bool))
? (unsigned)(*oldlenp / sizeof(bool)) : ctl_stats.narenas;
} else {
ret = 0;
nread = ctl_stats.narenas;
}
for (i = 0; i < nread; i++)
((bool *)oldp)[i] = ctl_stats.arenas[i].initialized;
label_return:
malloc_mutex_unlock(&ctl_mtx);
return (ret);
}
static int
arenas_lg_dirty_mult_ctl(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen)
{
int ret;
if (oldp != NULL && oldlenp != NULL) {
size_t oldval = arena_lg_dirty_mult_default_get();
READ(oldval, ssize_t);
}
if (newp != NULL) {
if (newlen != sizeof(ssize_t)) {
ret = EINVAL;
goto label_return;
}
if (arena_lg_dirty_mult_default_set(*(ssize_t *)newp)) {
ret = EFAULT;
goto label_return;
}
}
ret = 0;
label_return:
return (ret);
}
static int
arenas_decay_time_ctl(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen)
{
int ret;
if (oldp != NULL && oldlenp != NULL) {
size_t oldval = arena_decay_time_default_get();
READ(oldval, ssize_t);
}
if (newp != NULL) {
if (newlen != sizeof(ssize_t)) {
ret = EINVAL;
goto label_return;
}
if (arena_decay_time_default_set(*(ssize_t *)newp)) {
ret = EFAULT;
goto label_return;
}
}
ret = 0;
label_return:
return (ret);
}
CTL_RO_NL_GEN(arenas_quantum, QUANTUM, size_t)
CTL_RO_NL_GEN(arenas_page, PAGE, size_t)
CTL_RO_NL_CGEN(config_tcache, arenas_tcache_max, tcache_maxclass, size_t)
CTL_RO_NL_GEN(arenas_nbins, NBINS, unsigned)
CTL_RO_NL_CGEN(config_tcache, arenas_nhbins, nhbins, unsigned)
CTL_RO_NL_GEN(arenas_bin_i_size, arena_bin_info[mib[2]].reg_size, size_t)
CTL_RO_NL_GEN(arenas_bin_i_nregs, arena_bin_info[mib[2]].nregs, uint32_t)
CTL_RO_NL_GEN(arenas_bin_i_run_size, arena_bin_info[mib[2]].run_size, size_t)
static const ctl_named_node_t *
arenas_bin_i_index(const size_t *mib, size_t miblen, size_t i)
{
if (i > NBINS)
return (NULL);
return (super_arenas_bin_i_node);
}
CTL_RO_NL_GEN(arenas_nlruns, nlclasses, unsigned)
CTL_RO_NL_GEN(arenas_lrun_i_size, index2size(NBINS+(szind_t)mib[2]), size_t)
static const ctl_named_node_t *
arenas_lrun_i_index(const size_t *mib, size_t miblen, size_t i)
{
if (i > nlclasses)
return (NULL);
return (super_arenas_lrun_i_node);
}
CTL_RO_NL_GEN(arenas_nhchunks, nhclasses, unsigned)
CTL_RO_NL_GEN(arenas_hchunk_i_size, index2size(NBINS+nlclasses+(szind_t)mib[2]),
size_t)
static const ctl_named_node_t *
arenas_hchunk_i_index(const size_t *mib, size_t miblen, size_t i)
{
if (i > nhclasses)
return (NULL);
return (super_arenas_hchunk_i_node);
}
static int
arenas_extend_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
unsigned narenas;
malloc_mutex_lock(&ctl_mtx);
READONLY();
if (ctl_grow()) {
ret = EAGAIN;
goto label_return;
}
narenas = ctl_stats.narenas - 1;
READ(narenas, unsigned);
ret = 0;
label_return:
malloc_mutex_unlock(&ctl_mtx);
return (ret);
}
/******************************************************************************/
static int
prof_thread_active_init_ctl(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen)
{
int ret;
bool oldval;
if (!config_prof)
return (ENOENT);
if (newp != NULL) {
if (newlen != sizeof(bool)) {
ret = EINVAL;
goto label_return;
}
oldval = prof_thread_active_init_set(*(bool *)newp);
} else
oldval = prof_thread_active_init_get();
READ(oldval, bool);
ret = 0;
label_return:
return (ret);
}
static int
prof_active_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
bool oldval;
if (!config_prof)
return (ENOENT);
if (newp != NULL) {
if (newlen != sizeof(bool)) {
ret = EINVAL;
goto label_return;
}
oldval = prof_active_set(*(bool *)newp);
} else
oldval = prof_active_get();
READ(oldval, bool);
ret = 0;
label_return:
return (ret);
}
static int
prof_dump_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
const char *filename = NULL;
if (!config_prof)
return (ENOENT);
WRITEONLY();
WRITE(filename, const char *);
if (prof_mdump(filename)) {
ret = EFAULT;
goto label_return;
}
ret = 0;
label_return:
return (ret);
}
static int
prof_gdump_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
bool oldval;
if (!config_prof)
return (ENOENT);
if (newp != NULL) {
if (newlen != sizeof(bool)) {
ret = EINVAL;
goto label_return;
}
oldval = prof_gdump_set(*(bool *)newp);
} else
oldval = prof_gdump_get();
READ(oldval, bool);
ret = 0;
label_return:
return (ret);
}
static int
prof_reset_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
size_t lg_sample = lg_prof_sample;
tsd_t *tsd;
if (!config_prof)
return (ENOENT);
WRITEONLY();
WRITE(lg_sample, size_t);
if (lg_sample >= (sizeof(uint64_t) << 3))
lg_sample = (sizeof(uint64_t) << 3) - 1;
tsd = tsd_fetch();
prof_reset(tsd, lg_sample);
ret = 0;
label_return:
return (ret);
}
CTL_RO_NL_CGEN(config_prof, prof_interval, prof_interval, uint64_t)
CTL_RO_NL_CGEN(config_prof, lg_prof_sample, lg_prof_sample, size_t)
/******************************************************************************/
CTL_RO_CGEN(config_stats, stats_cactive, &stats_cactive, size_t *)
CTL_RO_CGEN(config_stats, stats_allocated, ctl_stats.allocated, size_t)
CTL_RO_CGEN(config_stats, stats_active, ctl_stats.active, size_t)
CTL_RO_CGEN(config_stats, stats_metadata, ctl_stats.metadata, size_t)
CTL_RO_CGEN(config_stats, stats_resident, ctl_stats.resident, size_t)
CTL_RO_CGEN(config_stats, stats_mapped, ctl_stats.mapped, size_t)
CTL_RO_GEN(stats_arenas_i_dss, ctl_stats.arenas[mib[2]].dss, const char *)
CTL_RO_GEN(stats_arenas_i_lg_dirty_mult, ctl_stats.arenas[mib[2]].lg_dirty_mult,
ssize_t)
CTL_RO_GEN(stats_arenas_i_decay_time, ctl_stats.arenas[mib[2]].decay_time,
ssize_t)
CTL_RO_GEN(stats_arenas_i_nthreads, ctl_stats.arenas[mib[2]].nthreads, unsigned)
CTL_RO_GEN(stats_arenas_i_pactive, ctl_stats.arenas[mib[2]].pactive, size_t)
CTL_RO_GEN(stats_arenas_i_pdirty, ctl_stats.arenas[mib[2]].pdirty, size_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_mapped,
ctl_stats.arenas[mib[2]].astats.mapped, size_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_npurge,
ctl_stats.arenas[mib[2]].astats.npurge, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_nmadvise,
ctl_stats.arenas[mib[2]].astats.nmadvise, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_purged,
ctl_stats.arenas[mib[2]].astats.purged, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_metadata_mapped,
ctl_stats.arenas[mib[2]].astats.metadata_mapped, size_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_metadata_allocated,
ctl_stats.arenas[mib[2]].astats.metadata_allocated, size_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_small_allocated,
ctl_stats.arenas[mib[2]].allocated_small, size_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_small_nmalloc,
ctl_stats.arenas[mib[2]].nmalloc_small, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_small_ndalloc,
ctl_stats.arenas[mib[2]].ndalloc_small, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_small_nrequests,
ctl_stats.arenas[mib[2]].nrequests_small, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_large_allocated,
ctl_stats.arenas[mib[2]].astats.allocated_large, size_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_large_nmalloc,
ctl_stats.arenas[mib[2]].astats.nmalloc_large, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_large_ndalloc,
ctl_stats.arenas[mib[2]].astats.ndalloc_large, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_large_nrequests,
ctl_stats.arenas[mib[2]].astats.nrequests_large, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_huge_allocated,
ctl_stats.arenas[mib[2]].astats.allocated_huge, size_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_huge_nmalloc,
ctl_stats.arenas[mib[2]].astats.nmalloc_huge, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_huge_ndalloc,
ctl_stats.arenas[mib[2]].astats.ndalloc_huge, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_huge_nrequests,
ctl_stats.arenas[mib[2]].astats.nmalloc_huge, uint64_t) /* Intentional. */
CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nmalloc,
ctl_stats.arenas[mib[2]].bstats[mib[4]].nmalloc, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_ndalloc,
ctl_stats.arenas[mib[2]].bstats[mib[4]].ndalloc, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nrequests,
ctl_stats.arenas[mib[2]].bstats[mib[4]].nrequests, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_curregs,
ctl_stats.arenas[mib[2]].bstats[mib[4]].curregs, size_t)
CTL_RO_CGEN(config_stats && config_tcache, stats_arenas_i_bins_j_nfills,
ctl_stats.arenas[mib[2]].bstats[mib[4]].nfills, uint64_t)
CTL_RO_CGEN(config_stats && config_tcache, stats_arenas_i_bins_j_nflushes,
ctl_stats.arenas[mib[2]].bstats[mib[4]].nflushes, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nruns,
ctl_stats.arenas[mib[2]].bstats[mib[4]].nruns, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nreruns,
ctl_stats.arenas[mib[2]].bstats[mib[4]].reruns, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_curruns,
ctl_stats.arenas[mib[2]].bstats[mib[4]].curruns, size_t)
static const ctl_named_node_t *
stats_arenas_i_bins_j_index(const size_t *mib, size_t miblen, size_t j)
{
if (j > NBINS)
return (NULL);
return (super_stats_arenas_i_bins_j_node);
}
CTL_RO_CGEN(config_stats, stats_arenas_i_lruns_j_nmalloc,
ctl_stats.arenas[mib[2]].lstats[mib[4]].nmalloc, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_lruns_j_ndalloc,
ctl_stats.arenas[mib[2]].lstats[mib[4]].ndalloc, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_lruns_j_nrequests,
ctl_stats.arenas[mib[2]].lstats[mib[4]].nrequests, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_lruns_j_curruns,
ctl_stats.arenas[mib[2]].lstats[mib[4]].curruns, size_t)
static const ctl_named_node_t *
stats_arenas_i_lruns_j_index(const size_t *mib, size_t miblen, size_t j)
{
if (j > nlclasses)
return (NULL);
return (super_stats_arenas_i_lruns_j_node);
}
CTL_RO_CGEN(config_stats, stats_arenas_i_hchunks_j_nmalloc,
ctl_stats.arenas[mib[2]].hstats[mib[4]].nmalloc, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_hchunks_j_ndalloc,
ctl_stats.arenas[mib[2]].hstats[mib[4]].ndalloc, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_hchunks_j_nrequests,
ctl_stats.arenas[mib[2]].hstats[mib[4]].nmalloc, /* Intentional. */
uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_hchunks_j_curhchunks,
ctl_stats.arenas[mib[2]].hstats[mib[4]].curhchunks, size_t)
static const ctl_named_node_t *
stats_arenas_i_hchunks_j_index(const size_t *mib, size_t miblen, size_t j)
{
if (j > nhclasses)
return (NULL);
return (super_stats_arenas_i_hchunks_j_node);
}
static const ctl_named_node_t *
stats_arenas_i_index(const size_t *mib, size_t miblen, size_t i)
{
const ctl_named_node_t * ret;
malloc_mutex_lock(&ctl_mtx);
if (i > ctl_stats.narenas || !ctl_stats.arenas[i].initialized) {
ret = NULL;
goto label_return;
}
ret = super_stats_arenas_i_node;
label_return:
malloc_mutex_unlock(&ctl_mtx);
return (ret);
}