Add the write4 parameter to malloc_stats_print().
Add malloc_cprintf() and malloc_vcprintf().
This commit is contained in:
Jason Evans
parent
b0fd5016db
commit
00b5c93347
@ -65,7 +65,7 @@
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@roff_tcache@.Ft void
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@roff_tcache@.Fn @jemalloc_prefix@malloc_tcache_flush "void"
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.Ft void
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.Fn @jemalloc_prefix@malloc_stats_print "const char *opts"
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.Fn @jemalloc_prefix@malloc_stats_print "void (*write4)(const char *, const char *, const char *, const char *)" "const char *opts"
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.Ft const char *
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.Va @jemalloc_prefix@malloc_options ;
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.Ft void
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@ -179,7 +179,14 @@ implementation-dependent.
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.Pp
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The
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.Fn @jemalloc_prefix@malloc_stats_print
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function prints human-readable summary statistics.
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function writes human-readable summary statistics via the
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.Fa write4
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callback function, or
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.Fn malloc_message
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if
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.Fa write4
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is
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.Dv NULL .
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This function can be called repeatedly.
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General information that never changes
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during execution can be omitted by specifying
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@ -405,7 +405,8 @@ void arena_dalloc_bin(arena_t *arena, arena_chunk_t *chunk, void *ptr,
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arena_chunk_map_t *mapelm);
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void arena_dalloc_large(arena_t *arena, arena_chunk_t *chunk, void *ptr);
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#ifdef JEMALLOC_STATS
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void arena_stats_print(arena_t *arena, bool bins, bool large);
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void arena_stats_print(arena_t *arena, bool bins, bool large,
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void (*write4)(const char *, const char *, const char *, const char *));
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#endif
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void *arena_ralloc(void *ptr, size_t size, size_t oldsize);
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bool arena_new(arena_t *arena, unsigned ind);
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@ -129,7 +129,10 @@ extern bool opt_stats_print;
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char *umax2s(uintmax_t x, unsigned base, char *s);
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#ifdef JEMALLOC_STATS
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void malloc_printf(const char *format, ...);
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void malloc_cprintf(void (*write4)(const char *, const char *, const char *,
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const char *), const char *format, ...) JEMALLOC_ATTR(format(printf, 2, 3));
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void malloc_printf(const char *format, ...)
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JEMALLOC_ATTR(format(printf, 1, 2));
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#endif
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#endif /* JEMALLOC_H_EXTERNS */
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@ -361,7 +361,7 @@ stats_print_atexit(void)
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}
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}
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#endif
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JEMALLOC_P(malloc_stats_print)(NULL);
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JEMALLOC_P(malloc_stats_print)(NULL, NULL);
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}
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static inline void *
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@ -24,7 +24,8 @@ size_t JEMALLOC_P(malloc_usable_size)(const void *ptr);
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#ifdef JEMALLOC_TCACHE
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void JEMALLOC_P(malloc_tcache_flush)(void);
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#endif
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void JEMALLOC_P(malloc_stats_print)(const char *opts);
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void JEMALLOC_P(malloc_stats_print)(void (*write4)(const char *,
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const char *, const char *, const char *), const char *opts);
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#ifdef __cplusplus
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};
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@ -1548,42 +1548,47 @@ arena_dalloc_bin(arena_t *arena, arena_chunk_t *chunk, void *ptr,
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#ifdef JEMALLOC_STATS
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void
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arena_stats_print(arena_t *arena, bool bins, bool large)
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arena_stats_print(arena_t *arena, bool bins, bool large,
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void (*write4)(const char *, const char *, const char *, const char *))
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{
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malloc_printf("dirty pages: %zu:%zu active:dirty, %llu sweep%s,"
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malloc_cprintf(write4,
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"dirty pages: %zu:%zu active:dirty, %llu sweep%s,"
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" %llu madvise%s, %llu purged\n",
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arena->nactive, arena->ndirty,
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arena->stats.npurge, arena->stats.npurge == 1 ? "" : "s",
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arena->stats.nmadvise, arena->stats.nmadvise == 1 ? "" : "s",
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arena->stats.purged);
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malloc_printf(" allocated nmalloc ndalloc\n");
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malloc_printf("small: %12zu %12llu %12llu\n",
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malloc_cprintf(write4,
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" allocated nmalloc ndalloc\n");
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malloc_cprintf(write4, "small: %12zu %12llu %12llu\n",
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arena->stats.allocated_small, arena->stats.nmalloc_small,
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arena->stats.ndalloc_small);
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malloc_printf("medium: %12zu %12llu %12llu\n",
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malloc_cprintf(write4, "medium: %12zu %12llu %12llu\n",
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arena->stats.allocated_medium, arena->stats.nmalloc_medium,
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arena->stats.ndalloc_medium);
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malloc_printf("large: %12zu %12llu %12llu\n",
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malloc_cprintf(write4, "large: %12zu %12llu %12llu\n",
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arena->stats.allocated_large, arena->stats.nmalloc_large,
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arena->stats.ndalloc_large);
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malloc_printf("total: %12zu %12llu %12llu\n",
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malloc_cprintf(write4, "total: %12zu %12llu %12llu\n",
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arena->stats.allocated_small + arena->stats.allocated_medium +
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arena->stats.allocated_large, arena->stats.nmalloc_small +
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arena->stats.nmalloc_medium + arena->stats.nmalloc_large,
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arena->stats.ndalloc_small + arena->stats.ndalloc_medium +
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arena->stats.ndalloc_large);
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malloc_printf("mapped: %12zu\n", arena->stats.mapped);
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malloc_cprintf(write4, "mapped: %12zu\n", arena->stats.mapped);
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if (bins && arena->stats.nmalloc_small + arena->stats.nmalloc_medium >
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0) {
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unsigned i, gap_start;
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#ifdef JEMALLOC_TCACHE
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malloc_printf("bins: bin size regs pgs requests "
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malloc_cprintf(write4,
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"bins: bin size regs pgs requests "
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"nfills nflushes newruns reruns maxruns curruns\n");
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#else
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malloc_printf("bins: bin size regs pgs requests "
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malloc_cprintf(write4,
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"bins: bin size regs pgs requests "
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"newruns reruns maxruns curruns\n");
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#endif
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for (i = 0, gap_start = UINT_MAX; i < nbins; i++) {
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@ -1597,21 +1602,22 @@ arena_stats_print(arena_t *arena, bool bins, bool large)
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* Gap of more than one size
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* class.
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*/
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malloc_printf("[%u..%u]\n",
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gap_start, i - 1);
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malloc_cprintf(write4,
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"[%u..%u]\n", gap_start,
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i - 1);
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} else {
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/* Gap of one size class. */
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malloc_printf("[%u]\n",
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malloc_cprintf(write4, "[%u]\n",
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gap_start);
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}
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gap_start = UINT_MAX;
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}
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malloc_printf(
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malloc_cprintf(write4,
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"%13u %1s %5u %4u %3u %9llu %9llu"
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#ifdef JEMALLOC_TCACHE
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" %9llu %9llu"
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#endif
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" %9llu %7lu %7lu\n",
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" %9llu %7zu %7zu\n",
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i,
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i < ntbins ? "T" : i < ntbins + nqbins ?
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"Q" : i < ntbins + nqbins + ncbins ? "C" :
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@ -1634,10 +1640,11 @@ arena_stats_print(arena_t *arena, bool bins, bool large)
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if (gap_start != UINT_MAX) {
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if (i > gap_start + 1) {
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/* Gap of more than one size class. */
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malloc_printf("[%u..%u]\n", gap_start, i - 1);
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malloc_cprintf(write4, "[%u..%u]\n", gap_start,
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i - 1);
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} else {
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/* Gap of one size class. */
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malloc_printf("[%u]\n", gap_start);
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malloc_cprintf(write4, "[%u]\n", gap_start);
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}
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}
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}
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@ -1647,7 +1654,7 @@ arena_stats_print(arena_t *arena, bool bins, bool large)
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ssize_t gap_start;
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size_t nlclasses = (chunksize - PAGE_SIZE) >> PAGE_SHIFT;
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malloc_printf(
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malloc_cprintf(write4,
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"large: size pages nrequests maxruns curruns\n");
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for (i = 0, gap_start = -1; i < nlclasses; i++) {
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@ -1656,10 +1663,12 @@ arena_stats_print(arena_t *arena, bool bins, bool large)
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gap_start = i;
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} else {
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if (gap_start != -1) {
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malloc_printf("[%zu]\n", i - gap_start);
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malloc_cprintf(write4, "[%zu]\n",
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i - gap_start);
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gap_start = -1;
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}
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malloc_printf("%13zu %5zu %9llu %9zu %9zu\n",
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malloc_cprintf(write4,
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"%13zu %5zu %9llu %9zu %9zu\n",
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(i+1) << PAGE_SHIFT, i+1,
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arena->stats.lstats[i].nrequests,
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arena->stats.lstats[i].highruns,
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@ -1667,7 +1676,7 @@ arena_stats_print(arena_t *arena, bool bins, bool large)
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}
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}
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if (gap_start != -1)
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malloc_printf("[%zu]\n", i - gap_start);
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malloc_cprintf(write4, "[%zu]\n", i - gap_start);
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}
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}
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#endif
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@ -6,6 +6,13 @@
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bool opt_stats_print = false;
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/******************************************************************************/
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/* Function prototypes for non-inline static functions. */
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static void
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malloc_vcprintf(void (*write4)(const char *, const char *, const char *,
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const char *), const char *format, va_list ap);
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/******************************************************************************/
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/*
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@ -48,31 +55,76 @@ umax2s(uintmax_t x, unsigned base, char *s)
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}
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#ifdef JEMALLOC_STATS
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/*
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* Print to stderr in such a way as to (hopefully) avoid memory allocation.
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*/
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void
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malloc_printf(const char *format, ...)
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static void
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malloc_vcprintf(void (*write4)(const char *, const char *, const char *,
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const char *), const char *format, va_list ap)
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{
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char buf[4096];
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if (write4 == NULL) {
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/*
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* The caller did not provide an alternate write4 callback
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* function, so use the default one. malloc_write4() is an
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* inline function, so use malloc_message() directly here.
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*/
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write4 = JEMALLOC_P(malloc_message);
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}
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vsnprintf(buf, sizeof(buf), format, ap);
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write4(buf, "", "", "");
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}
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/*
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* Print to a callback function in such a way as to (hopefully) avoid memory
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* allocation.
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*/
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JEMALLOC_ATTR(format(printf, 2, 3))
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void
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malloc_cprintf(void (*write4)(const char *, const char *, const char *,
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const char *), const char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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vsnprintf(buf, sizeof(buf), format, ap);
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malloc_vcprintf(write4, format, ap);
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va_end(ap);
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malloc_write4(buf, "", "", "");
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}
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/*
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* Print to stderr in such a way as to (hopefully) avoid memory allocation.
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*/
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JEMALLOC_ATTR(format(printf, 1, 2))
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void
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malloc_printf(const char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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malloc_vcprintf(NULL, format, ap);
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va_end(ap);
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}
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#endif
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JEMALLOC_ATTR(visibility("default"))
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void
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JEMALLOC_P(malloc_stats_print)(const char *opts)
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JEMALLOC_P(malloc_stats_print)(void (*write4)(const char *, const char *,
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const char *, const char *), const char *opts)
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{
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char s[UMAX2S_BUFSIZE];
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bool general = true;
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bool bins = true;
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bool large = true;
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if (write4 == NULL) {
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/*
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* The caller did not provide an alternate write4 callback
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* function, so use the default one. malloc_write4() is an
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* inline function, so use malloc_message() directly here.
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*/
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write4 = JEMALLOC_P(malloc_message);
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}
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if (opts != NULL) {
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unsigned i;
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@ -92,92 +144,87 @@ JEMALLOC_P(malloc_stats_print)(const char *opts)
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}
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}
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malloc_write4("___ Begin jemalloc statistics ___\n", "", "", "");
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write4("___ Begin jemalloc statistics ___\n", "", "", "");
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if (general) {
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malloc_write4("Assertions ",
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write4("Assertions ",
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#ifdef NDEBUG
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"disabled",
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#else
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"enabled",
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#endif
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"\n", "");
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malloc_write4("Boolean JEMALLOC_OPTIONS: ",
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opt_abort ? "A" : "a", "", "");
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write4("Boolean JEMALLOC_OPTIONS: ", opt_abort ? "A" : "a",
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"", "");
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#ifdef JEMALLOC_FILL
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malloc_write4(opt_junk ? "J" : "j", "", "", "");
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write4(opt_junk ? "J" : "j", "", "", "");
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#endif
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malloc_write4("P", "", "", "");
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write4("P", "", "", "");
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#ifdef JEMALLOC_TCACHE
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malloc_write4(opt_tcache_sort ? "S" : "s", "", "", "");
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write4(opt_tcache_sort ? "S" : "s", "", "", "");
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#endif
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#ifdef JEMALLOC_TRACE
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malloc_write4(opt_trace ? "T" : "t", "", "", "");
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write4(opt_trace ? "T" : "t", "", "", "");
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#endif
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#ifdef JEMALLOC_SYSV
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malloc_write4(opt_sysv ? "V" : "v", "", "", "");
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write4(opt_sysv ? "V" : "v", "", "", "");
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#endif
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#ifdef JEMALLOC_XMALLOC
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malloc_write4(opt_xmalloc ? "X" : "x", "", "", "");
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write4(opt_xmalloc ? "X" : "x", "", "", "");
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#endif
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#ifdef JEMALLOC_FILL
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malloc_write4(opt_zero ? "Z" : "z", "", "", "");
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write4(opt_zero ? "Z" : "z", "", "", "");
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#endif
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malloc_write4("\n", "", "", "");
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write4("\n", "", "", "");
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malloc_write4("CPUs: ", umax2s(ncpus, 10, s), "\n", "");
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malloc_write4("Max arenas: ", umax2s(narenas, 10, s), "\n", "");
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malloc_write4("Pointer size: ", umax2s(sizeof(void *), 10, s),
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"\n", "");
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malloc_write4("Quantum size: ", umax2s(QUANTUM, 10, s), "\n",
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write4("CPUs: ", umax2s(ncpus, 10, s), "\n", "");
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write4("Max arenas: ", umax2s(narenas, 10, s), "\n", "");
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write4("Pointer size: ", umax2s(sizeof(void *), 10, s), "\n",
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"");
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malloc_write4("Cacheline size (assumed): ",
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umax2s(CACHELINE, 10, s), "\n", "");
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malloc_write4("Subpage spacing: ", umax2s(SUBPAGE, 10, s),
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write4("Quantum size: ", umax2s(QUANTUM, 10, s), "\n", "");
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write4("Cacheline size (assumed): ", umax2s(CACHELINE, 10, s),
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"\n", "");
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write4("Subpage spacing: ", umax2s(SUBPAGE, 10, s), "\n", "");
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write4("Medium spacing: ", umax2s((1U << lg_mspace), 10, s),
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"\n", "");
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malloc_write4("Medium spacing: ", umax2s((1U << lg_mspace), 10,
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s), "\n", "");
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#ifdef JEMALLOC_TINY
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malloc_write4("Tiny 2^n-spaced sizes: [", umax2s((1U <<
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LG_TINY_MIN), 10, s), "..", "");
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malloc_write4(umax2s((qspace_min >> 1), 10, s), "]\n", "", "");
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write4("Tiny 2^n-spaced sizes: [", umax2s((1U << LG_TINY_MIN),
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10, s), "..", "");
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write4(umax2s((qspace_min >> 1), 10, s), "]\n", "", "");
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#endif
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malloc_write4("Quantum-spaced sizes: [", umax2s(qspace_min, 10,
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s), "..", "");
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malloc_write4(umax2s(qspace_max, 10, s), "]\n", "", "");
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malloc_write4("Cacheline-spaced sizes: [",
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umax2s(cspace_min, 10, s), "..", "");
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malloc_write4(umax2s(cspace_max, 10, s), "]\n", "", "");
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malloc_write4("Subpage-spaced sizes: [", umax2s(sspace_min, 10,
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s), "..", "");
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malloc_write4(umax2s(sspace_max, 10, s), "]\n", "", "");
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malloc_write4("Medium sizes: [", umax2s(medium_min, 10, s),
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write4("Quantum-spaced sizes: [", umax2s(qspace_min, 10, s),
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"..", "");
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malloc_write4(umax2s(medium_max, 10, s), "]\n", "", "");
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write4(umax2s(qspace_max, 10, s), "]\n", "", "");
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write4("Cacheline-spaced sizes: [", umax2s(cspace_min, 10, s),
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"..", "");
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write4(umax2s(cspace_max, 10, s), "]\n", "", "");
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write4("Subpage-spaced sizes: [", umax2s(sspace_min, 10, s),
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"..", "");
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write4(umax2s(sspace_max, 10, s), "]\n", "", "");
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write4("Medium sizes: [", umax2s(medium_min, 10, s), "..", "");
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write4(umax2s(medium_max, 10, s), "]\n", "", "");
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if (opt_lg_dirty_mult >= 0) {
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malloc_write4(
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"Min active:dirty page ratio per arena: ",
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write4("Min active:dirty page ratio per arena: ",
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umax2s((1U << opt_lg_dirty_mult), 10, s), ":1\n",
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||||
"");
|
||||
} else {
|
||||
malloc_write4(
|
||||
"Min active:dirty page ratio per arena: N/A\n",
|
||||
write4("Min active:dirty page ratio per arena: N/A\n",
|
||||
"", "", "");
|
||||
}
|
||||
#ifdef JEMALLOC_TCACHE
|
||||
malloc_write4("Thread cache slots per size class: ",
|
||||
tcache_nslots ? umax2s(tcache_nslots, 10, s) : "N/A",
|
||||
"\n", "");
|
||||
malloc_write4("Thread cache GC sweep interval: ",
|
||||
write4("Thread cache slots per size class: ",
|
||||
tcache_nslots ? umax2s(tcache_nslots, 10, s) : "N/A", "\n",
|
||||
"");
|
||||
write4("Thread cache GC sweep interval: ",
|
||||
(tcache_nslots && tcache_gc_incr > 0) ?
|
||||
umax2s((1U << opt_lg_tcache_gc_sweep), 10, s) : "N/A",
|
||||
"", "");
|
||||
malloc_write4(" (increment interval: ",
|
||||
write4(" (increment interval: ",
|
||||
(tcache_nslots && tcache_gc_incr > 0) ?
|
||||
umax2s(tcache_gc_incr, 10, s) : "N/A",
|
||||
")\n", "");
|
||||
#endif
|
||||
malloc_write4("Chunk size: ", umax2s(chunksize, 10, s), "", "");
|
||||
malloc_write4(" (2^", umax2s(opt_lg_chunk, 10, s), ")\n", "");
|
||||
write4("Chunk size: ", umax2s(chunksize, 10, s), "", "");
|
||||
write4(" (2^", umax2s(opt_lg_chunk, 10, s), ")\n", "");
|
||||
}
|
||||
|
||||
#ifdef JEMALLOC_STATS
|
||||
@ -208,8 +255,8 @@ JEMALLOC_P(malloc_stats_print)(const char *opts)
|
||||
mapped += base_mapped;
|
||||
malloc_mutex_unlock(&base_mtx);
|
||||
|
||||
malloc_printf("Allocated: %zu, mapped: %zu\n", allocated,
|
||||
mapped);
|
||||
malloc_cprintf(write4, "Allocated: %zu, mapped: %zu\n",
|
||||
allocated, mapped);
|
||||
|
||||
/* Print chunk stats. */
|
||||
{
|
||||
@ -219,30 +266,30 @@ JEMALLOC_P(malloc_stats_print)(const char *opts)
|
||||
chunks_stats = stats_chunks;
|
||||
malloc_mutex_unlock(&huge_mtx);
|
||||
|
||||
malloc_printf("chunks: nchunks "
|
||||
malloc_cprintf(write4, "chunks: nchunks "
|
||||
"highchunks curchunks\n");
|
||||
malloc_printf(" %13llu%13lu%13lu\n",
|
||||
malloc_cprintf(write4, " %13llu%13lu%13lu\n",
|
||||
chunks_stats.nchunks, chunks_stats.highchunks,
|
||||
chunks_stats.curchunks);
|
||||
}
|
||||
|
||||
/* Print chunk stats. */
|
||||
malloc_printf(
|
||||
malloc_cprintf(write4,
|
||||
"huge: nmalloc ndalloc allocated\n");
|
||||
malloc_printf(" %12llu %12llu %12zu\n", huge_nmalloc,
|
||||
malloc_cprintf(write4, " %12llu %12llu %12zu\n", huge_nmalloc,
|
||||
huge_ndalloc, huge_allocated);
|
||||
|
||||
/* Print stats for each arena. */
|
||||
for (i = 0; i < narenas; i++) {
|
||||
arena = arenas[i];
|
||||
if (arena != NULL) {
|
||||
malloc_printf("\narenas[%u]:\n", i);
|
||||
malloc_cprintf(write4, "\narenas[%u]:\n", i);
|
||||
malloc_mutex_lock(&arena->lock);
|
||||
arena_stats_print(arena, bins, large);
|
||||
arena_stats_print(arena, bins, large, write4);
|
||||
malloc_mutex_unlock(&arena->lock);
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif /* #ifdef JEMALLOC_STATS */
|
||||
malloc_write4("--- End jemalloc statistics ---\n", "", "", "");
|
||||
write4("--- End jemalloc statistics ---\n", "", "", "");
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user