+#define JEMALLOC_CTL_C_
+#include "jemalloc/internal/jemalloc_internal.h"
+
+/******************************************************************************/
+/* Data. */
+
+/*
+ * ctl_mtx protects the following:
+ * - ctl_stats.*
+ * - opt_prof_active
+ * - swap_enabled
+ * - swap_prezeroed
+ */
+static malloc_mutex_t ctl_mtx;
+static bool ctl_initialized;
+static uint64_t ctl_epoch;
+static ctl_stats_t ctl_stats;
+
+/******************************************************************************/
+/* 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) \
+const ctl_node_t *n##_index(const size_t *mib, size_t miblen, \
+ size_t i);
+
+#ifdef JEMALLOC_STATS
+static bool ctl_arena_init(ctl_arena_stats_t *astats);
+#endif
+static void ctl_arena_clear(ctl_arena_stats_t *astats);
+#ifdef JEMALLOC_STATS
+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);
+#endif
+static void ctl_arena_refresh(arena_t *arena, unsigned i);
+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)
+#ifdef JEMALLOC_TCACHE
+CTL_PROTO(tcache_flush)
+#endif
+CTL_PROTO(thread_arena)
+#ifdef JEMALLOC_STATS
+CTL_PROTO(thread_allocated)
+CTL_PROTO(thread_allocatedp)
+CTL_PROTO(thread_deallocated)
+CTL_PROTO(thread_deallocatedp)
+#endif
+CTL_PROTO(config_debug)
+CTL_PROTO(config_dss)
+CTL_PROTO(config_dynamic_page_shift)
+CTL_PROTO(config_fill)
+CTL_PROTO(config_lazy_lock)
+CTL_PROTO(config_prof)
+CTL_PROTO(config_prof_libgcc)
+CTL_PROTO(config_prof_libunwind)
+CTL_PROTO(config_stats)
+CTL_PROTO(config_swap)
+CTL_PROTO(config_sysv)
+CTL_PROTO(config_tcache)
+CTL_PROTO(config_tiny)
+CTL_PROTO(config_tls)
+CTL_PROTO(config_xmalloc)
+CTL_PROTO(opt_abort)
+CTL_PROTO(opt_lg_qspace_max)
+CTL_PROTO(opt_lg_cspace_max)
+CTL_PROTO(opt_lg_chunk)
+CTL_PROTO(opt_narenas)
+CTL_PROTO(opt_lg_dirty_mult)
+CTL_PROTO(opt_stats_print)
+#ifdef JEMALLOC_FILL
+CTL_PROTO(opt_junk)
+CTL_PROTO(opt_zero)
+#endif
+#ifdef JEMALLOC_SYSV
+CTL_PROTO(opt_sysv)
+#endif
+#ifdef JEMALLOC_XMALLOC
+CTL_PROTO(opt_xmalloc)
+#endif
+#ifdef JEMALLOC_TCACHE
+CTL_PROTO(opt_tcache)
+CTL_PROTO(opt_lg_tcache_gc_sweep)
+#endif
+#ifdef JEMALLOC_PROF
+CTL_PROTO(opt_prof)
+CTL_PROTO(opt_prof_prefix)
+CTL_PROTO(opt_prof_active)
+CTL_PROTO(opt_lg_prof_bt_max)
+CTL_PROTO(opt_lg_prof_sample)
+CTL_PROTO(opt_lg_prof_interval)
+CTL_PROTO(opt_prof_gdump)
+CTL_PROTO(opt_prof_leak)
+CTL_PROTO(opt_prof_accum)
+CTL_PROTO(opt_lg_prof_tcmax)
+#endif
+#ifdef JEMALLOC_SWAP
+CTL_PROTO(opt_overcommit)
+#endif
+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_narenas)
+CTL_PROTO(arenas_initialized)
+CTL_PROTO(arenas_quantum)
+CTL_PROTO(arenas_cacheline)
+CTL_PROTO(arenas_subpage)
+CTL_PROTO(arenas_pagesize)
+CTL_PROTO(arenas_chunksize)
+#ifdef JEMALLOC_TINY
+CTL_PROTO(arenas_tspace_min)
+CTL_PROTO(arenas_tspace_max)
+#endif
+CTL_PROTO(arenas_qspace_min)
+CTL_PROTO(arenas_qspace_max)
+CTL_PROTO(arenas_cspace_min)
+CTL_PROTO(arenas_cspace_max)
+CTL_PROTO(arenas_sspace_min)
+CTL_PROTO(arenas_sspace_max)
+#ifdef JEMALLOC_TCACHE
+CTL_PROTO(arenas_tcache_max)
+#endif
+CTL_PROTO(arenas_ntbins)
+CTL_PROTO(arenas_nqbins)
+CTL_PROTO(arenas_ncbins)
+CTL_PROTO(arenas_nsbins)
+CTL_PROTO(arenas_nbins)
+#ifdef JEMALLOC_TCACHE
+CTL_PROTO(arenas_nhbins)
+#endif
+CTL_PROTO(arenas_nlruns)
+CTL_PROTO(arenas_purge)
+#ifdef JEMALLOC_PROF
+CTL_PROTO(prof_active)
+CTL_PROTO(prof_dump)
+CTL_PROTO(prof_interval)
+#endif
+#ifdef JEMALLOC_STATS
+CTL_PROTO(stats_chunks_current)
+CTL_PROTO(stats_chunks_total)
+CTL_PROTO(stats_chunks_high)
+CTL_PROTO(stats_huge_allocated)
+CTL_PROTO(stats_huge_nmalloc)
+CTL_PROTO(stats_huge_ndalloc)
+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_bins_j_allocated)
+CTL_PROTO(stats_arenas_i_bins_j_nmalloc)
+CTL_PROTO(stats_arenas_i_bins_j_ndalloc)
+CTL_PROTO(stats_arenas_i_bins_j_nrequests)
+#ifdef JEMALLOC_TCACHE
+CTL_PROTO(stats_arenas_i_bins_j_nfills)
+CTL_PROTO(stats_arenas_i_bins_j_nflushes)
+#endif
+CTL_PROTO(stats_arenas_i_bins_j_nruns)
+CTL_PROTO(stats_arenas_i_bins_j_nreruns)
+CTL_PROTO(stats_arenas_i_bins_j_highruns)
+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_highruns)
+CTL_PROTO(stats_arenas_i_lruns_j_curruns)
+INDEX_PROTO(stats_arenas_i_lruns_j)
+#endif
+CTL_PROTO(stats_arenas_i_nthreads)
+CTL_PROTO(stats_arenas_i_pactive)
+CTL_PROTO(stats_arenas_i_pdirty)
+#ifdef JEMALLOC_STATS
+CTL_PROTO(stats_arenas_i_mapped)
+CTL_PROTO(stats_arenas_i_npurge)
+CTL_PROTO(stats_arenas_i_nmadvise)
+CTL_PROTO(stats_arenas_i_purged)
+#endif
+INDEX_PROTO(stats_arenas_i)
+#ifdef JEMALLOC_STATS
+CTL_PROTO(stats_cactive)
+CTL_PROTO(stats_allocated)
+CTL_PROTO(stats_active)
+CTL_PROTO(stats_mapped)
+#endif
+#ifdef JEMALLOC_SWAP
+# ifdef JEMALLOC_STATS
+CTL_PROTO(swap_avail)
+# endif
+CTL_PROTO(swap_prezeroed)
+CTL_PROTO(swap_nfds)
+CTL_PROTO(swap_fds)
+#endif
+
+/******************************************************************************/
+/* mallctl tree. */
+
+/* Maximum tree depth. */
+#define CTL_MAX_DEPTH 6
+
+#define NAME(n) true, {.named = {n
+#define CHILD(c) sizeof(c##_node) / sizeof(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, {.indexed = {i##_index}}, NULL
+
+#ifdef JEMALLOC_TCACHE
+static const ctl_node_t tcache_node[] = {
+ {NAME("flush"), CTL(tcache_flush)}
+};
+#endif
+
+static const ctl_node_t thread_node[] = {
+ {NAME("arena"), CTL(thread_arena)}
+#ifdef JEMALLOC_STATS
+ ,
+ {NAME("allocated"), CTL(thread_allocated)},
+ {NAME("allocatedp"), CTL(thread_allocatedp)},
+ {NAME("deallocated"), CTL(thread_deallocated)},
+ {NAME("deallocatedp"), CTL(thread_deallocatedp)}
+#endif
+};
+
+static const ctl_node_t config_node[] = {
+ {NAME("debug"), CTL(config_debug)},
+ {NAME("dss"), CTL(config_dss)},
+ {NAME("dynamic_page_shift"), CTL(config_dynamic_page_shift)},
+ {NAME("fill"), CTL(config_fill)},
+ {NAME("lazy_lock"), CTL(config_lazy_lock)},
+ {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("swap"), CTL(config_swap)},
+ {NAME("sysv"), CTL(config_sysv)},
+ {NAME("tcache"), CTL(config_tcache)},
+ {NAME("tiny"), CTL(config_tiny)},
+ {NAME("tls"), CTL(config_tls)},
+ {NAME("xmalloc"), CTL(config_xmalloc)}
+};
+
+static const ctl_node_t opt_node[] = {
+ {NAME("abort"), CTL(opt_abort)},
+ {NAME("lg_qspace_max"), CTL(opt_lg_qspace_max)},
+ {NAME("lg_cspace_max"), CTL(opt_lg_cspace_max)},
+ {NAME("lg_chunk"), CTL(opt_lg_chunk)},
+ {NAME("narenas"), CTL(opt_narenas)},
+ {NAME("lg_dirty_mult"), CTL(opt_lg_dirty_mult)},
+ {NAME("stats_print"), CTL(opt_stats_print)}
+#ifdef JEMALLOC_FILL
+ ,
+ {NAME("junk"), CTL(opt_junk)},
+ {NAME("zero"), CTL(opt_zero)}
+#endif
+#ifdef JEMALLOC_SYSV
+ ,
+ {NAME("sysv"), CTL(opt_sysv)}
+#endif
+#ifdef JEMALLOC_XMALLOC
+ ,
+ {NAME("xmalloc"), CTL(opt_xmalloc)}
+#endif
+#ifdef JEMALLOC_TCACHE
+ ,
+ {NAME("tcache"), CTL(opt_tcache)},
+ {NAME("lg_tcache_gc_sweep"), CTL(opt_lg_tcache_gc_sweep)}
+#endif
+#ifdef JEMALLOC_PROF
+ ,
+ {NAME("prof"), CTL(opt_prof)},
+ {NAME("prof_prefix"), CTL(opt_prof_prefix)},
+ {NAME("prof_active"), CTL(opt_prof_active)},
+ {NAME("lg_prof_bt_max"), CTL(opt_lg_prof_bt_max)},
+ {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_leak"), CTL(opt_prof_leak)},
+ {NAME("prof_accum"), CTL(opt_prof_accum)},
+ {NAME("lg_prof_tcmax"), CTL(opt_lg_prof_tcmax)}
+#endif
+#ifdef JEMALLOC_SWAP
+ ,
+ {NAME("overcommit"), CTL(opt_overcommit)}
+#endif
+};
+
+static const ctl_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_node_t super_arenas_bin_i_node[] = {
+ {NAME(""), CHILD(arenas_bin_i)}
+};
+
+static const ctl_node_t arenas_bin_node[] = {
+ {INDEX(arenas_bin_i)}
+};
+
+static const ctl_node_t arenas_lrun_i_node[] = {
+ {NAME("size"), CTL(arenas_lrun_i_size)}
+};
+static const ctl_node_t super_arenas_lrun_i_node[] = {
+ {NAME(""), CHILD(arenas_lrun_i)}
+};
+
+static const ctl_node_t arenas_lrun_node[] = {
+ {INDEX(arenas_lrun_i)}
+};
+
+static const ctl_node_t arenas_node[] = {
+ {NAME("narenas"), CTL(arenas_narenas)},
+ {NAME("initialized"), CTL(arenas_initialized)},
+ {NAME("quantum"), CTL(arenas_quantum)},
+ {NAME("cacheline"), CTL(arenas_cacheline)},
+ {NAME("subpage"), CTL(arenas_subpage)},
+ {NAME("pagesize"), CTL(arenas_pagesize)},
+ {NAME("chunksize"), CTL(arenas_chunksize)},
+#ifdef JEMALLOC_TINY
+ {NAME("tspace_min"), CTL(arenas_tspace_min)},
+ {NAME("tspace_max"), CTL(arenas_tspace_max)},
+#endif
+ {NAME("qspace_min"), CTL(arenas_qspace_min)},
+ {NAME("qspace_max"), CTL(arenas_qspace_max)},
+ {NAME("cspace_min"), CTL(arenas_cspace_min)},
+ {NAME("cspace_max"), CTL(arenas_cspace_max)},
+ {NAME("sspace_min"), CTL(arenas_sspace_min)},
+ {NAME("sspace_max"), CTL(arenas_sspace_max)},
+#ifdef JEMALLOC_TCACHE
+ {NAME("tcache_max"), CTL(arenas_tcache_max)},
+#endif
+ {NAME("ntbins"), CTL(arenas_ntbins)},
+ {NAME("nqbins"), CTL(arenas_nqbins)},
+ {NAME("ncbins"), CTL(arenas_ncbins)},
+ {NAME("nsbins"), CTL(arenas_nsbins)},
+ {NAME("nbins"), CTL(arenas_nbins)},
+#ifdef JEMALLOC_TCACHE
+ {NAME("nhbins"), CTL(arenas_nhbins)},
+#endif
+ {NAME("bin"), CHILD(arenas_bin)},
+ {NAME("nlruns"), CTL(arenas_nlruns)},
+ {NAME("lrun"), CHILD(arenas_lrun)},
+ {NAME("purge"), CTL(arenas_purge)}
+};
+
+#ifdef JEMALLOC_PROF
+static const ctl_node_t prof_node[] = {
+ {NAME("active"), CTL(prof_active)},
+ {NAME("dump"), CTL(prof_dump)},
+ {NAME("interval"), CTL(prof_interval)}
+};
+#endif
+
+#ifdef JEMALLOC_STATS
+static const ctl_node_t stats_chunks_node[] = {
+ {NAME("current"), CTL(stats_chunks_current)},
+ {NAME("total"), CTL(stats_chunks_total)},
+ {NAME("high"), CTL(stats_chunks_high)}
+};
+
+static const ctl_node_t stats_huge_node[] = {
+ {NAME("allocated"), CTL(stats_huge_allocated)},
+ {NAME("nmalloc"), CTL(stats_huge_nmalloc)},
+ {NAME("ndalloc"), CTL(stats_huge_ndalloc)}
+};
+
+static const ctl_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_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_node_t stats_arenas_i_bins_j_node[] = {
+ {NAME("allocated"), CTL(stats_arenas_i_bins_j_allocated)},
+ {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)},
+#ifdef JEMALLOC_TCACHE
+ {NAME("nfills"), CTL(stats_arenas_i_bins_j_nfills)},
+ {NAME("nflushes"), CTL(stats_arenas_i_bins_j_nflushes)},
+#endif
+ {NAME("nruns"), CTL(stats_arenas_i_bins_j_nruns)},
+ {NAME("nreruns"), CTL(stats_arenas_i_bins_j_nreruns)},
+ {NAME("highruns"), CTL(stats_arenas_i_bins_j_highruns)},
+ {NAME("curruns"), CTL(stats_arenas_i_bins_j_curruns)}
+};
+static const ctl_node_t super_stats_arenas_i_bins_j_node[] = {
+ {NAME(""), CHILD(stats_arenas_i_bins_j)}
+};
+
+static const ctl_node_t stats_arenas_i_bins_node[] = {
+ {INDEX(stats_arenas_i_bins_j)}
+};
+
+static const ctl_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("highruns"), CTL(stats_arenas_i_lruns_j_highruns)},
+ {NAME("curruns"), CTL(stats_arenas_i_lruns_j_curruns)}
+};
+static const ctl_node_t super_stats_arenas_i_lruns_j_node[] = {
+ {NAME(""), CHILD(stats_arenas_i_lruns_j)}
+};
+
+static const ctl_node_t stats_arenas_i_lruns_node[] = {
+ {INDEX(stats_arenas_i_lruns_j)}
+};
+#endif
+
+static const ctl_node_t stats_arenas_i_node[] = {
+ {NAME("nthreads"), CTL(stats_arenas_i_nthreads)},
+ {NAME("pactive"), CTL(stats_arenas_i_pactive)},
+ {NAME("pdirty"), CTL(stats_arenas_i_pdirty)}
+#ifdef JEMALLOC_STATS
+ ,
+ {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("small"), CHILD(stats_arenas_i_small)},
+ {NAME("large"), CHILD(stats_arenas_i_large)},
+ {NAME("bins"), CHILD(stats_arenas_i_bins)},
+ {NAME("lruns"), CHILD(stats_arenas_i_lruns)}
+#endif
+};
+static const ctl_node_t super_stats_arenas_i_node[] = {
+ {NAME(""), CHILD(stats_arenas_i)}
+};
+
+static const ctl_node_t stats_arenas_node[] = {
+ {INDEX(stats_arenas_i)}
+};
+
+static const ctl_node_t stats_node[] = {
+#ifdef JEMALLOC_STATS
+ {NAME("cactive"), CTL(stats_cactive)},
+ {NAME("allocated"), CTL(stats_allocated)},
+ {NAME("active"), CTL(stats_active)},
+ {NAME("mapped"), CTL(stats_mapped)},
+ {NAME("chunks"), CHILD(stats_chunks)},
+ {NAME("huge"), CHILD(stats_huge)},
+#endif
+ {NAME("arenas"), CHILD(stats_arenas)}
+};
+
+#ifdef JEMALLOC_SWAP
+static const ctl_node_t swap_node[] = {
+# ifdef JEMALLOC_STATS
+ {NAME("avail"), CTL(swap_avail)},
+# endif
+ {NAME("prezeroed"), CTL(swap_prezeroed)},
+ {NAME("nfds"), CTL(swap_nfds)},
+ {NAME("fds"), CTL(swap_fds)}
+};
+#endif
+
+static const ctl_node_t root_node[] = {
+ {NAME("version"), CTL(version)},
+ {NAME("epoch"), CTL(epoch)},
+#ifdef JEMALLOC_TCACHE
+ {NAME("tcache"), CHILD(tcache)},
+#endif
+ {NAME("thread"), CHILD(thread)},
+ {NAME("config"), CHILD(config)},
+ {NAME("opt"), CHILD(opt)},
+ {NAME("arenas"), CHILD(arenas)},
+#ifdef JEMALLOC_PROF
+ {NAME("prof"), CHILD(prof)},
+#endif
+ {NAME("stats"), CHILD(stats)}
+#ifdef JEMALLOC_SWAP
+ ,
+ {NAME("swap"), CHILD(swap)}
+#endif
+};
+static const ctl_node_t super_root_node[] = {
+ {NAME(""), CHILD(root)}
+};
+
+#undef NAME
+#undef CHILD
+#undef CTL
+#undef INDEX
+
+/******************************************************************************/
+
+#ifdef JEMALLOC_STATS
+static bool
+ctl_arena_init(ctl_arena_stats_t *astats)
+{
+
+ if (astats->bstats == NULL) {
+ astats->bstats = (malloc_bin_stats_t *)base_alloc(nbins *
+ sizeof(malloc_bin_stats_t));
+ if (astats->bstats == NULL)
+ return (true);
+ }
+ if (astats->lstats == NULL) {
+ astats->lstats = (malloc_large_stats_t *)base_alloc(nlclasses *
+ sizeof(malloc_large_stats_t));
+ if (astats->lstats == NULL)
+ return (true);
+ }
+
+ return (false);
+}
+#endif
+
+static void
+ctl_arena_clear(ctl_arena_stats_t *astats)
+{
+
+ astats->pactive = 0;
+ astats->pdirty = 0;
+#ifdef JEMALLOC_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));
+#endif
+}
+
+#ifdef JEMALLOC_STATS
+static void
+ctl_arena_stats_amerge(ctl_arena_stats_t *cstats, arena_t *arena)
+{
+ unsigned i;
+
+ arena_stats_merge(arena, &cstats->pactive, &cstats->pdirty,
+ &cstats->astats, cstats->bstats, cstats->lstats);
+
+ for (i = 0; i < nbins; i++) {
+ cstats->allocated_small += cstats->bstats[i].allocated;
+ cstats->nmalloc_small += cstats->bstats[i].nmalloc;
+ cstats->ndalloc_small += cstats->bstats[i].ndalloc;
+ cstats->nrequests_small += cstats->bstats[i].nrequests;
+ }
+}
+
+static void
+ctl_arena_stats_smerge(ctl_arena_stats_t *sstats, ctl_arena_stats_t *astats)
+{
+ unsigned i;
+
+ sstats->pactive += astats->pactive;
+ sstats->pdirty += astats->pdirty;
+
+ 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->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;
+
+ 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].highruns += astats->lstats[i].highruns;
+ sstats->lstats[i].curruns += astats->lstats[i].curruns;
+ }
+
+ for (i = 0; i < nbins; i++) {
+ sstats->bstats[i].allocated += astats->bstats[i].allocated;
+ sstats->bstats[i].nmalloc += astats->bstats[i].nmalloc;
+ sstats->bstats[i].ndalloc += astats->bstats[i].ndalloc;
+ sstats->bstats[i].nrequests += astats->bstats[i].nrequests;
+#ifdef JEMALLOC_TCACHE
+ sstats->bstats[i].nfills += astats->bstats[i].nfills;
+ sstats->bstats[i].nflushes += astats->bstats[i].nflushes;
+#endif
+ sstats->bstats[i].nruns += astats->bstats[i].nruns;
+ sstats->bstats[i].reruns += astats->bstats[i].reruns;
+ sstats->bstats[i].highruns += astats->bstats[i].highruns;
+ sstats->bstats[i].curruns += astats->bstats[i].curruns;
+ }
+}
+#endif
+
+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[narenas];
+
+ ctl_arena_clear(astats);
+
+ sstats->nthreads += astats->nthreads;
+#ifdef JEMALLOC_STATS
+ ctl_arena_stats_amerge(astats, arena);
+ /* Merge into sum stats as well. */
+ ctl_arena_stats_smerge(sstats, astats);
+#else
+ astats->pactive += arena->nactive;
+ astats->pdirty += arena->ndirty;
+ /* Merge into sum stats as well. */
+ sstats->pactive += arena->nactive;
+ sstats->pdirty += arena->ndirty;
+#endif
+}
+
+static void
+ctl_refresh(void)
+{
+ unsigned i;
+ arena_t *tarenas[narenas];
+
+#ifdef JEMALLOC_STATS
+ malloc_mutex_lock(&chunks_mtx);
+ ctl_stats.chunks.current = stats_chunks.curchunks;
+ ctl_stats.chunks.total = stats_chunks.nchunks;
+ ctl_stats.chunks.high = stats_chunks.highchunks;
+ malloc_mutex_unlock(&chunks_mtx);
+
+ malloc_mutex_lock(&huge_mtx);
+ ctl_stats.huge.allocated = huge_allocated;
+ ctl_stats.huge.nmalloc = huge_nmalloc;
+ ctl_stats.huge.ndalloc = huge_ndalloc;
+ malloc_mutex_unlock(&huge_mtx);
+#endif
+
+ /*
+ * Clear sum stats, since they will be merged into by
+ * ctl_arena_refresh().
+ */
+ ctl_stats.arenas[narenas].nthreads = 0;
+ ctl_arena_clear(&ctl_stats.arenas[narenas]);
+
+ malloc_mutex_lock(&arenas_lock);
+ memcpy(tarenas, arenas, sizeof(arena_t *) * narenas);
+ for (i = 0; i < narenas; i++) {
+ if (arenas[i] != NULL)
+ ctl_stats.arenas[i].nthreads = arenas[i]->nthreads;
+ else
+ ctl_stats.arenas[i].nthreads = 0;
+ }
+ malloc_mutex_unlock(&arenas_lock);
+ for (i = 0; i < narenas; i++) {
+ bool initialized = (tarenas[i] != NULL);
+
+ ctl_stats.arenas[i].initialized = initialized;
+ if (initialized)
+ ctl_arena_refresh(tarenas[i], i);
+ }
+
+#ifdef JEMALLOC_STATS
+ ctl_stats.allocated = ctl_stats.arenas[narenas].allocated_small
+ + ctl_stats.arenas[narenas].astats.allocated_large
+ + ctl_stats.huge.allocated;
+ ctl_stats.active = (ctl_stats.arenas[narenas].pactive << PAGE_SHIFT)
+ + ctl_stats.huge.allocated;
+ ctl_stats.mapped = (ctl_stats.chunks.current << opt_lg_chunk);
+
+# ifdef JEMALLOC_SWAP
+ malloc_mutex_lock(&swap_mtx);
+ ctl_stats.swap_avail = swap_avail;
+ malloc_mutex_unlock(&swap_mtx);
+# endif
+#endif
+
+ ctl_epoch++;
+}
+
+static bool
+ctl_init(void)
+{
+ bool ret;
+
+ malloc_mutex_lock(&ctl_mtx);
+ if (ctl_initialized == false) {
+#ifdef JEMALLOC_STATS
+ unsigned i;
+#endif
+
+ /*
+ * Allocate space for one extra arena stats element, which
+ * contains summed stats across all arenas.
+ */
+ ctl_stats.arenas = (ctl_arena_stats_t *)base_alloc(
+ (narenas + 1) * sizeof(ctl_arena_stats_t));
+ if (ctl_stats.arenas == NULL) {
+ ret = true;
+ goto RETURN;
+ }
+ memset(ctl_stats.arenas, 0, (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.
+ */
+#ifdef JEMALLOC_STATS
+ for (i = 0; i <= narenas; i++) {
+ if (ctl_arena_init(&ctl_stats.arenas[i])) {
+ ret = true;
+ goto RETURN;
+ }
+ }
+#endif
+ ctl_stats.arenas[narenas].initialized = true;
+
+ ctl_epoch = 0;
+ ctl_refresh();
+ ctl_initialized = true;
+ }
+
+ ret = false;
+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_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 RETURN;
+ }
+ node = super_root_node;
+ for (i = 0; i < *depthp; i++) {
+ assert(node->named);
+ assert(node->u.named.nchildren > 0);
+ if (node->u.named.children[0].named) {
+ const ctl_node_t *pnode = node;
+
+ /* Children are named. */
+ for (j = 0; j < node->u.named.nchildren; j++) {
+ const ctl_node_t *child =
+ &node->u.named.children[j];
+ if (strlen(child->u.named.name) == elen
+ && strncmp(elm, child->u.named.name,
+ elen) == 0) {
+ node = child;
+ if (nodesp != NULL)
+ nodesp[i] = node;
+ mibp[i] = j;
+ break;
+ }
+ }
+ if (node == pnode) {
+ ret = ENOENT;
+ goto RETURN;
+ }
+ } else {
+ unsigned long index;
+ const ctl_node_t *inode;
+
+ /* Children are indexed. */
+ index = strtoul(elm, NULL, 10);
+ if (index == ULONG_MAX) {
+ ret = ENOENT;
+ goto RETURN;
+ }
+
+ inode = &node->u.named.children[0];
+ node = inode->u.indexed.index(mibp, *depthp,
+ index);
+ if (node == NULL) {
+ ret = ENOENT;
+ goto RETURN;
+ }
+
+ if (nodesp != NULL)
+ nodesp[i] = 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 RETURN;
+ }
+ /* Complete lookup successful. */
+ *depthp = i + 1;
+ break;
+ }
+
+ /* Update elm. */
+ if (*dot == '\0') {
+ /* No more elements. */
+ ret = ENOENT;
+ goto RETURN;
+ }
+ elm = &dot[1];
+ dot = ((tdot = strchr(elm, '.')) != NULL) ? tdot :
+ strchr(elm, '\0');
+ elen = (size_t)((uintptr_t)dot - (uintptr_t)elm);
+ }
+
+ ret = 0;
+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];
+
+ if (ctl_initialized == false && ctl_init()) {
+ ret = EAGAIN;
+ goto RETURN;
+ }
+
+ depth = CTL_MAX_DEPTH;
+ ret = ctl_lookup(name, nodes, mib, &depth);
+ if (ret != 0)
+ goto RETURN;
+
+ if (nodes[depth-1]->ctl == NULL) {
+ /* The name refers to a partial path through the ctl tree. */
+ ret = ENOENT;
+ goto RETURN;
+ }
+
+ ret = nodes[depth-1]->ctl(mib, depth, oldp, oldlenp, newp, newlen);
+RETURN:
+ return(ret);
+}
+
+int
+ctl_nametomib(const char *name, size_t *mibp, size_t *miblenp)
+{
+ int ret;
+
+ if (ctl_initialized == false && ctl_init()) {
+ ret = EAGAIN;
+ goto RETURN;
+ }
+
+ ret = ctl_lookup(name, NULL, mibp, miblenp);
+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_node_t *node;
+ size_t i;
+
+ if (ctl_initialized == false && ctl_init()) {
+ ret = EAGAIN;
+ goto RETURN;
+ }
+
+ /* Iterate down the tree. */
+ node = super_root_node;
+ for (i = 0; i < miblen; i++) {
+ if (node->u.named.children[0].named) {
+ /* Children are named. */
+ if (node->u.named.nchildren <= mib[i]) {
+ ret = ENOENT;
+ goto RETURN;
+ }
+ node = &node->u.named.children[mib[i]];
+ } else {
+ const ctl_node_t *inode;
+
+ /* Indexed element. */
+ inode = &node->u.named.children[0];
+ node = inode->u.indexed.index(mib, miblen, mib[i]);
+ if (node == NULL) {
+ ret = ENOENT;
+ goto RETURN;
+ }
+ }
+ }
+
+ /* Call the ctl function. */
+ if (node->ctl == NULL) {
+ /* Partial MIB. */
+ ret = ENOENT;
+ goto RETURN;
+ }
+ ret = node->ctl(mib, miblen, oldp, oldlenp, newp, newlen);
+
+RETURN:
+ return(ret);
+}
+
+bool
+ctl_boot(void)
+{
+
+ if (malloc_mutex_init(&ctl_mtx))
+ return (true);
+
+ ctl_initialized = false;
+
+ return (false);
+}
+
+/******************************************************************************/
+/* *_ctl() functions. */
+
+#define READONLY() do { \
+ if (newp != NULL || newlen != 0) { \
+ ret = EPERM; \
+ goto RETURN; \
+ } \
+} while (0)
+
+#define WRITEONLY() do { \
+ if (oldp != NULL || oldlenp != NULL) { \
+ ret = EPERM; \
+ goto RETURN; \
+ } \
+} while (0)
+
+#define VOID() do { \
+ READONLY(); \
+ WRITEONLY(); \
+} 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 RETURN; \
+ } else \
+ *(t *)oldp = v; \
+ } \
+} while (0)
+
+#define WRITE(v, t) do { \
+ if (newp != NULL) { \
+ if (newlen != sizeof(t)) { \
+ ret = EINVAL; \
+ goto RETURN; \
+ } \
+ v = *(t *)newp; \
+ } \
+} while (0)
+
+#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; \
+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_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; \
+RETURN: \
+ return (ret); \
+}
+
+#define CTL_RO_TRUE_GEN(n) \
+static int \
+n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \
+ void *newp, size_t newlen) \
+{ \
+ int ret; \
+ bool oldval; \
+ \
+ READONLY(); \
+ oldval = true; \
+ READ(oldval, bool); \
+ \
+ ret = 0; \
+RETURN: \
+ return (ret); \
+}
+
+#define CTL_RO_FALSE_GEN(n) \
+static int \
+n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \
+ void *newp, size_t newlen) \
+{ \
+ int ret; \
+ bool oldval; \
+ \
+ READONLY(); \
+ oldval = false; \
+ READ(oldval, bool); \
+ \
+ ret = 0; \
+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;
+ uint64_t newval;
+
+ malloc_mutex_lock(&ctl_mtx);
+ newval = 0;
+ WRITE(newval, uint64_t);
+ if (newval != 0)
+ ctl_refresh();
+ READ(ctl_epoch, uint64_t);
+
+ ret = 0;
+RETURN:
+ malloc_mutex_unlock(&ctl_mtx);
+ return (ret);
+}
+
+#ifdef JEMALLOC_TCACHE
+static int
+tcache_flush_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
+ void *newp, size_t newlen)
+{
+ int ret;
+ tcache_t *tcache;
+
+ VOID();
+
+ tcache = TCACHE_GET();
+ if (tcache == NULL) {
+ ret = 0;
+ goto RETURN;
+ }
+ tcache_destroy(tcache);
+ TCACHE_SET(NULL);
+
+ ret = 0;
+RETURN:
+ return (ret);
+}
+#endif
+
+static int
+thread_arena_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
+ void *newp, size_t newlen)
+{
+ int ret;
+ unsigned newind, oldind;
+
+ newind = oldind = choose_arena()->ind;
+ WRITE(newind, unsigned);
+ READ(oldind, unsigned);
+ if (newind != oldind) {
+ arena_t *arena;
+
+ if (newind >= narenas) {
+ /* New arena index is out of range. */
+ ret = EFAULT;
+ goto RETURN;
+ }
+
+ /* Initialize arena if necessary. */
+ malloc_mutex_lock(&arenas_lock);
+ if ((arena = arenas[newind]) == NULL)
+ arena = arenas_extend(newind);
+ arenas[oldind]->nthreads--;
+ arenas[newind]->nthreads++;
+ malloc_mutex_unlock(&arenas_lock);
+ if (arena == NULL) {
+ ret = EAGAIN;
+ goto RETURN;
+ }
+
+ /* Set new arena association. */
+ ARENA_SET(arena);
+#ifdef JEMALLOC_TCACHE
+ {
+ tcache_t *tcache = TCACHE_GET();
+ if (tcache != NULL)
+ tcache->arena = arena;
+ }
+#endif
+ }
+
+ ret = 0;
+RETURN:
+ return (ret);
+}
+
+#ifdef JEMALLOC_STATS
+CTL_RO_NL_GEN(thread_allocated, ALLOCATED_GET(), uint64_t);
+CTL_RO_NL_GEN(thread_allocatedp, ALLOCATEDP_GET(), uint64_t *);
+CTL_RO_NL_GEN(thread_deallocated, DEALLOCATED_GET(), uint64_t);
+CTL_RO_NL_GEN(thread_deallocatedp, DEALLOCATEDP_GET(), uint64_t *);
+#endif
+
+/******************************************************************************/
+
+#ifdef JEMALLOC_DEBUG
+CTL_RO_TRUE_GEN(config_debug)
+#else
+CTL_RO_FALSE_GEN(config_debug)
+#endif
+
+#ifdef JEMALLOC_DSS
+CTL_RO_TRUE_GEN(config_dss)
+#else
+CTL_RO_FALSE_GEN(config_dss)
+#endif
+
+#ifdef JEMALLOC_DYNAMIC_PAGE_SHIFT
+CTL_RO_TRUE_GEN(config_dynamic_page_shift)
+#else
+CTL_RO_FALSE_GEN(config_dynamic_page_shift)
+#endif
+
+#ifdef JEMALLOC_FILL
+CTL_RO_TRUE_GEN(config_fill)
+#else
+CTL_RO_FALSE_GEN(config_fill)
+#endif
+
+#ifdef JEMALLOC_LAZY_LOCK
+CTL_RO_TRUE_GEN(config_lazy_lock)
+#else
+CTL_RO_FALSE_GEN(config_lazy_lock)
+#endif
+
+#ifdef JEMALLOC_PROF
+CTL_RO_TRUE_GEN(config_prof)
+#else
+CTL_RO_FALSE_GEN(config_prof)
+#endif
+
+#ifdef JEMALLOC_PROF_LIBGCC
+CTL_RO_TRUE_GEN(config_prof_libgcc)
+#else
+CTL_RO_FALSE_GEN(config_prof_libgcc)
+#endif
+
+#ifdef JEMALLOC_PROF_LIBUNWIND
+CTL_RO_TRUE_GEN(config_prof_libunwind)
+#else
+CTL_RO_FALSE_GEN(config_prof_libunwind)
+#endif
+
+#ifdef JEMALLOC_STATS
+CTL_RO_TRUE_GEN(config_stats)
+#else
+CTL_RO_FALSE_GEN(config_stats)
+#endif
+
+#ifdef JEMALLOC_SWAP
+CTL_RO_TRUE_GEN(config_swap)
+#else
+CTL_RO_FALSE_GEN(config_swap)
+#endif
+
+#ifdef JEMALLOC_SYSV
+CTL_RO_TRUE_GEN(config_sysv)
+#else
+CTL_RO_FALSE_GEN(config_sysv)
+#endif
+
+#ifdef JEMALLOC_TCACHE
+CTL_RO_TRUE_GEN(config_tcache)
+#else
+CTL_RO_FALSE_GEN(config_tcache)
+#endif
+
+#ifdef JEMALLOC_TINY
+CTL_RO_TRUE_GEN(config_tiny)
+#else
+CTL_RO_FALSE_GEN(config_tiny)
+#endif
+
+#ifdef JEMALLOC_TLS
+CTL_RO_TRUE_GEN(config_tls)
+#else
+CTL_RO_FALSE_GEN(config_tls)
+#endif
+
+#ifdef JEMALLOC_XMALLOC
+CTL_RO_TRUE_GEN(config_xmalloc)
+#else
+CTL_RO_FALSE_GEN(config_xmalloc)
+#endif
+
+/******************************************************************************/
+
+CTL_RO_NL_GEN(opt_abort, opt_abort, bool)
+CTL_RO_NL_GEN(opt_lg_qspace_max, opt_lg_qspace_max, size_t)
+CTL_RO_NL_GEN(opt_lg_cspace_max, opt_lg_cspace_max, size_t)
+CTL_RO_NL_GEN(opt_lg_chunk, opt_lg_chunk, size_t)
+CTL_RO_NL_GEN(opt_narenas, opt_narenas, size_t)
+CTL_RO_NL_GEN(opt_lg_dirty_mult, opt_lg_dirty_mult, ssize_t)
+CTL_RO_NL_GEN(opt_stats_print, opt_stats_print, bool)
+#ifdef JEMALLOC_FILL
+CTL_RO_NL_GEN(opt_junk, opt_junk, bool)
+CTL_RO_NL_GEN(opt_zero, opt_zero, bool)
+#endif
+#ifdef JEMALLOC_SYSV
+CTL_RO_NL_GEN(opt_sysv, opt_sysv, bool)
+#endif
+#ifdef JEMALLOC_XMALLOC
+CTL_RO_NL_GEN(opt_xmalloc, opt_xmalloc, bool)
+#endif
+#ifdef JEMALLOC_TCACHE
+CTL_RO_NL_GEN(opt_tcache, opt_tcache, bool)
+CTL_RO_NL_GEN(opt_lg_tcache_gc_sweep, opt_lg_tcache_gc_sweep, ssize_t)
+#endif
+#ifdef JEMALLOC_PROF
+CTL_RO_NL_GEN(opt_prof, opt_prof, bool)
+CTL_RO_NL_GEN(opt_prof_prefix, opt_prof_prefix, const char *)
+CTL_RO_GEN(opt_prof_active, opt_prof_active, bool) /* Mutable. */
+CTL_RO_NL_GEN(opt_lg_prof_bt_max, opt_lg_prof_bt_max, size_t)
+CTL_RO_NL_GEN(opt_lg_prof_sample, opt_lg_prof_sample, size_t)
+CTL_RO_NL_GEN(opt_lg_prof_interval, opt_lg_prof_interval, ssize_t)
+CTL_RO_NL_GEN(opt_prof_gdump, opt_prof_gdump, bool)
+CTL_RO_NL_GEN(opt_prof_leak, opt_prof_leak, bool)
+CTL_RO_NL_GEN(opt_prof_accum, opt_prof_accum, bool)
+CTL_RO_NL_GEN(opt_lg_prof_tcmax, opt_lg_prof_tcmax, ssize_t)
+#endif
+#ifdef JEMALLOC_SWAP
+CTL_RO_NL_GEN(opt_overcommit, opt_overcommit, bool)
+#endif
+
+/******************************************************************************/
+
+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)
+const ctl_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_lrun_i_size, ((mib[2]+1) << PAGE_SHIFT), size_t)
+const ctl_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_narenas, narenas, unsigned)
+
+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 != narenas * sizeof(bool)) {
+ ret = EINVAL;
+ nread = (*oldlenp < narenas * sizeof(bool))
+ ? (*oldlenp / sizeof(bool)) : narenas;
+ } else {
+ ret = 0;
+ nread = narenas;
+ }
+
+ for (i = 0; i < nread; i++)
+ ((bool *)oldp)[i] = ctl_stats.arenas[i].initialized;
+
+RETURN:
+ malloc_mutex_unlock(&ctl_mtx);
+ return (ret);
+}
+
+CTL_RO_NL_GEN(arenas_quantum, QUANTUM, size_t)
+CTL_RO_NL_GEN(arenas_cacheline, CACHELINE, size_t)
+CTL_RO_NL_GEN(arenas_subpage, SUBPAGE, size_t)
+CTL_RO_NL_GEN(arenas_pagesize, PAGE_SIZE, size_t)
+CTL_RO_NL_GEN(arenas_chunksize, chunksize, size_t)
+#ifdef JEMALLOC_TINY
+CTL_RO_NL_GEN(arenas_tspace_min, (1U << LG_TINY_MIN), size_t)
+CTL_RO_NL_GEN(arenas_tspace_max, (qspace_min >> 1), size_t)
+#endif
+CTL_RO_NL_GEN(arenas_qspace_min, qspace_min, size_t)
+CTL_RO_NL_GEN(arenas_qspace_max, qspace_max, size_t)
+CTL_RO_NL_GEN(arenas_cspace_min, cspace_min, size_t)
+CTL_RO_NL_GEN(arenas_cspace_max, cspace_max, size_t)
+CTL_RO_NL_GEN(arenas_sspace_min, sspace_min, size_t)
+CTL_RO_NL_GEN(arenas_sspace_max, sspace_max, size_t)
+#ifdef JEMALLOC_TCACHE
+CTL_RO_NL_GEN(arenas_tcache_max, tcache_maxclass, size_t)
+#endif
+CTL_RO_NL_GEN(arenas_ntbins, ntbins, unsigned)
+CTL_RO_NL_GEN(arenas_nqbins, nqbins, unsigned)
+CTL_RO_NL_GEN(arenas_ncbins, ncbins, unsigned)
+CTL_RO_NL_GEN(arenas_nsbins, nsbins, unsigned)
+CTL_RO_NL_GEN(arenas_nbins, nbins, unsigned)
+#ifdef JEMALLOC_TCACHE
+CTL_RO_NL_GEN(arenas_nhbins, nhbins, unsigned)
+#endif
+CTL_RO_NL_GEN(arenas_nlruns, nlclasses, size_t)
+
+static int
+arenas_purge_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
+ void *newp, size_t newlen)
+{
+ int ret;
+ unsigned arena;
+
+ WRITEONLY();
+ arena = UINT_MAX;
+ WRITE(arena, unsigned);
+ if (newp != NULL && arena >= narenas) {
+ ret = EFAULT;
+ goto RETURN;
+ } else {
+ arena_t *tarenas[narenas];
+
+ malloc_mutex_lock(&arenas_lock);
+ memcpy(tarenas, arenas, sizeof(arena_t *) * narenas);
+ malloc_mutex_unlock(&arenas_lock);
+
+ if (arena == UINT_MAX) {
+ unsigned i;
+ for (i = 0; i < narenas; i++) {
+ if (tarenas[i] != NULL)
+ arena_purge_all(tarenas[i]);
+ }
+ } else {
+ assert(arena < narenas);
+ if (tarenas[arena] != NULL)
+ arena_purge_all(tarenas[arena]);
+ }
+ }
+
+ ret = 0;
+RETURN:
+ return (ret);
+}
+
+/******************************************************************************/
+
+#ifdef JEMALLOC_PROF
+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;
+
+ malloc_mutex_lock(&ctl_mtx); /* Protect opt_prof_active. */
+ oldval = opt_prof_active;
+ if (newp != NULL) {
+ /*
+ * The memory barriers will tend to make opt_prof_active
+ * propagate faster on systems with weak memory ordering.
+ */
+ mb_write();
+ WRITE(opt_prof_active, bool);
+ mb_write();
+ }
+ READ(oldval, bool);
+
+ ret = 0;
+RETURN:
+ malloc_mutex_unlock(&ctl_mtx);
+ 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;
+
+ WRITEONLY();
+ WRITE(filename, const char *);
+
+ if (prof_mdump(filename)) {
+ ret = EFAULT;
+ goto RETURN;
+ }
+
+ ret = 0;
+RETURN:
+ return (ret);
+}
+
+CTL_RO_NL_GEN(prof_interval, prof_interval, uint64_t)
+#endif
+
+/******************************************************************************/
+
+#ifdef JEMALLOC_STATS
+CTL_RO_GEN(stats_chunks_current, ctl_stats.chunks.current, size_t)
+CTL_RO_GEN(stats_chunks_total, ctl_stats.chunks.total, uint64_t)
+CTL_RO_GEN(stats_chunks_high, ctl_stats.chunks.high, size_t)
+CTL_RO_GEN(stats_huge_allocated, huge_allocated, size_t)
+CTL_RO_GEN(stats_huge_nmalloc, huge_nmalloc, uint64_t)
+CTL_RO_GEN(stats_huge_ndalloc, huge_ndalloc, uint64_t)
+CTL_RO_GEN(stats_arenas_i_small_allocated,
+ ctl_stats.arenas[mib[2]].allocated_small, size_t)
+CTL_RO_GEN(stats_arenas_i_small_nmalloc,
+ ctl_stats.arenas[mib[2]].nmalloc_small, uint64_t)
+CTL_RO_GEN(stats_arenas_i_small_ndalloc,
+ ctl_stats.arenas[mib[2]].ndalloc_small, uint64_t)
+CTL_RO_GEN(stats_arenas_i_small_nrequests,
+ ctl_stats.arenas[mib[2]].nrequests_small, uint64_t)
+CTL_RO_GEN(stats_arenas_i_large_allocated,
+ ctl_stats.arenas[mib[2]].astats.allocated_large, size_t)
+CTL_RO_GEN(stats_arenas_i_large_nmalloc,
+ ctl_stats.arenas[mib[2]].astats.nmalloc_large, uint64_t)
+CTL_RO_GEN(stats_arenas_i_large_ndalloc,
+ ctl_stats.arenas[mib[2]].astats.ndalloc_large, uint64_t)
+CTL_RO_GEN(stats_arenas_i_large_nrequests,
+ ctl_stats.arenas[mib[2]].astats.nrequests_large, uint64_t)
+
+CTL_RO_GEN(stats_arenas_i_bins_j_allocated,
+ ctl_stats.arenas[mib[2]].bstats[mib[4]].allocated, size_t)
+CTL_RO_GEN(stats_arenas_i_bins_j_nmalloc,
+ ctl_stats.arenas[mib[2]].bstats[mib[4]].nmalloc, uint64_t)
+CTL_RO_GEN(stats_arenas_i_bins_j_ndalloc,
+ ctl_stats.arenas[mib[2]].bstats[mib[4]].ndalloc, uint64_t)
+CTL_RO_GEN(stats_arenas_i_bins_j_nrequests,
+ ctl_stats.arenas[mib[2]].bstats[mib[4]].nrequests, uint64_t)
+#ifdef JEMALLOC_TCACHE
+CTL_RO_GEN(stats_arenas_i_bins_j_nfills,
+ ctl_stats.arenas[mib[2]].bstats[mib[4]].nfills, uint64_t)
+CTL_RO_GEN(stats_arenas_i_bins_j_nflushes,
+ ctl_stats.arenas[mib[2]].bstats[mib[4]].nflushes, uint64_t)
+#endif
+CTL_RO_GEN(stats_arenas_i_bins_j_nruns,
+ ctl_stats.arenas[mib[2]].bstats[mib[4]].nruns, uint64_t)
+CTL_RO_GEN(stats_arenas_i_bins_j_nreruns,
+ ctl_stats.arenas[mib[2]].bstats[mib[4]].reruns, uint64_t)
+CTL_RO_GEN(stats_arenas_i_bins_j_highruns,
+ ctl_stats.arenas[mib[2]].bstats[mib[4]].highruns, size_t)
+CTL_RO_GEN(stats_arenas_i_bins_j_curruns,
+ ctl_stats.arenas[mib[2]].bstats[mib[4]].curruns, size_t)
+
+const ctl_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_GEN(stats_arenas_i_lruns_j_nmalloc,
+ ctl_stats.arenas[mib[2]].lstats[mib[4]].nmalloc, uint64_t)
+CTL_RO_GEN(stats_arenas_i_lruns_j_ndalloc,
+ ctl_stats.arenas[mib[2]].lstats[mib[4]].ndalloc, uint64_t)
+CTL_RO_GEN(stats_arenas_i_lruns_j_nrequests,
+ ctl_stats.arenas[mib[2]].lstats[mib[4]].nrequests, uint64_t)
+CTL_RO_GEN(stats_arenas_i_lruns_j_curruns,
+ ctl_stats.arenas[mib[2]].lstats[mib[4]].curruns, size_t)
+CTL_RO_GEN(stats_arenas_i_lruns_j_highruns,
+ ctl_stats.arenas[mib[2]].lstats[mib[4]].highruns, size_t)
+
+const ctl_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);
+}
+
+#endif
+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)
+#ifdef JEMALLOC_STATS
+CTL_RO_GEN(stats_arenas_i_mapped, ctl_stats.arenas[mib[2]].astats.mapped,
+ size_t)
+CTL_RO_GEN(stats_arenas_i_npurge, ctl_stats.arenas[mib[2]].astats.npurge,
+ uint64_t)
+CTL_RO_GEN(stats_arenas_i_nmadvise, ctl_stats.arenas[mib[2]].astats.nmadvise,
+ uint64_t)
+CTL_RO_GEN(stats_arenas_i_purged, ctl_stats.arenas[mib[2]].astats.purged,
+ uint64_t)
+#endif
+
+const ctl_node_t *
+stats_arenas_i_index(const size_t *mib, size_t miblen, size_t i)
+{
+ const ctl_node_t * ret;
+
+ malloc_mutex_lock(&ctl_mtx);
+ if (ctl_stats.arenas[i].initialized == false) {
+ ret = NULL;
+ goto RETURN;
+ }
+
+ ret = super_stats_arenas_i_node;
+RETURN:
+ malloc_mutex_unlock(&ctl_mtx);
+ return (ret);
+}
+
+#ifdef JEMALLOC_STATS
+CTL_RO_GEN(stats_cactive, &stats_cactive, size_t *)
+CTL_RO_GEN(stats_allocated, ctl_stats.allocated, size_t)
+CTL_RO_GEN(stats_active, ctl_stats.active, size_t)
+CTL_RO_GEN(stats_mapped, ctl_stats.mapped, size_t)
+#endif
+
+/******************************************************************************/
+
+#ifdef JEMALLOC_SWAP
+# ifdef JEMALLOC_STATS
+CTL_RO_GEN(swap_avail, ctl_stats.swap_avail, size_t)
+# endif
+
+static int
+swap_prezeroed_ctl(const size_t *mib, size_t miblen, void *oldp,
+ size_t *oldlenp, void *newp, size_t newlen)
+{
+ int ret;
+
+ malloc_mutex_lock(&ctl_mtx);
+ if (swap_enabled) {
+ READONLY();
+ } else {
+ /*
+ * swap_prezeroed isn't actually used by the swap code until it
+ * is set during a successful chunk_swap_enabled() call. We
+ * use it here to store the value that we'll pass to
+ * chunk_swap_enable() in a swap.fds mallctl(). This is not
+ * very clean, but the obvious alternatives are even worse.
+ */
+ WRITE(swap_prezeroed, bool);
+ }
+
+ READ(swap_prezeroed, bool);
+
+ ret = 0;
+RETURN:
+ malloc_mutex_unlock(&ctl_mtx);
+ return (ret);
+}
+
+CTL_RO_GEN(swap_nfds, swap_nfds, size_t)
+
+static int
+swap_fds_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
+ void *newp, size_t newlen)
+{
+ int ret;
+
+ malloc_mutex_lock(&ctl_mtx);
+ if (swap_enabled) {
+ READONLY();
+ } else if (newp != NULL) {
+ size_t nfds = newlen / sizeof(int);
+
+ {
+ int fds[nfds];
+
+ memcpy(fds, newp, nfds * sizeof(int));
+ if (chunk_swap_enable(fds, nfds, swap_prezeroed)) {
+ ret = EFAULT;
+ goto RETURN;
+ }
+ }
+ }
+
+ if (oldp != NULL && oldlenp != NULL) {
+ if (*oldlenp != swap_nfds * sizeof(int)) {
+ size_t copylen = (swap_nfds * sizeof(int) <= *oldlenp)
+ ? swap_nfds * sizeof(int) : *oldlenp;
+
+ memcpy(oldp, swap_fds, copylen);
+ ret = EINVAL;
+ goto RETURN;
+ } else
+ memcpy(oldp, swap_fds, *oldlenp);
+ }
+
+ ret = 0;
+RETURN:
+ malloc_mutex_unlock(&ctl_mtx);
+ return (ret);
+}
+#endif
projects / redis.git / blobdiff