351 lines
11 KiB
C
351 lines
11 KiB
C
#include "test/jemalloc_test.h"
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TEST_BEGIN(test_stats_summary) {
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size_t sz, allocated, active, resident, mapped;
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int expected = config_stats ? 0 : ENOENT;
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sz = sizeof(size_t);
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assert_d_eq(mallctl("stats.allocated", (void *)&allocated, &sz, NULL,
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0), expected, "Unexpected mallctl() result");
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assert_d_eq(mallctl("stats.active", (void *)&active, &sz, NULL, 0),
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expected, "Unexpected mallctl() result");
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assert_d_eq(mallctl("stats.resident", (void *)&resident, &sz, NULL, 0),
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expected, "Unexpected mallctl() result");
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assert_d_eq(mallctl("stats.mapped", (void *)&mapped, &sz, NULL, 0),
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expected, "Unexpected mallctl() result");
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if (config_stats) {
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assert_zu_le(allocated, active,
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"allocated should be no larger than active");
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assert_zu_lt(active, resident,
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"active should be less than resident");
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assert_zu_lt(active, mapped,
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"active should be less than mapped");
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}
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}
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TEST_END
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TEST_BEGIN(test_stats_large) {
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void *p;
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uint64_t epoch;
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size_t allocated;
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uint64_t nmalloc, ndalloc, nrequests;
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size_t sz;
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int expected = config_stats ? 0 : ENOENT;
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p = mallocx(SMALL_MAXCLASS+1, 0);
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assert_ptr_not_null(p, "Unexpected mallocx() failure");
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assert_d_eq(mallctl("epoch", NULL, NULL, (void *)&epoch, sizeof(epoch)),
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0, "Unexpected mallctl() failure");
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sz = sizeof(size_t);
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assert_d_eq(mallctl("stats.arenas.0.large.allocated",
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(void *)&allocated, &sz, NULL, 0), expected,
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"Unexpected mallctl() result");
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sz = sizeof(uint64_t);
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assert_d_eq(mallctl("stats.arenas.0.large.nmalloc", (void *)&nmalloc,
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&sz, NULL, 0), expected, "Unexpected mallctl() result");
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assert_d_eq(mallctl("stats.arenas.0.large.ndalloc", (void *)&ndalloc,
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&sz, NULL, 0), expected, "Unexpected mallctl() result");
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assert_d_eq(mallctl("stats.arenas.0.large.nrequests",
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(void *)&nrequests, &sz, NULL, 0), expected,
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"Unexpected mallctl() result");
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if (config_stats) {
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assert_zu_gt(allocated, 0,
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"allocated should be greater than zero");
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assert_u64_ge(nmalloc, ndalloc,
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"nmalloc should be at least as large as ndalloc");
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assert_u64_le(nmalloc, nrequests,
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"nmalloc should no larger than nrequests");
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}
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dallocx(p, 0);
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}
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TEST_END
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TEST_BEGIN(test_stats_arenas_summary) {
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unsigned arena;
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void *little, *large;
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uint64_t epoch;
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size_t sz;
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int expected = config_stats ? 0 : ENOENT;
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size_t mapped;
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uint64_t npurge, nmadvise, purged;
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arena = 0;
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assert_d_eq(mallctl("thread.arena", NULL, NULL, (void *)&arena,
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sizeof(arena)), 0, "Unexpected mallctl() failure");
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little = mallocx(SMALL_MAXCLASS, 0);
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assert_ptr_not_null(little, "Unexpected mallocx() failure");
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large = mallocx((1U << LG_LARGE_MINCLASS), 0);
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assert_ptr_not_null(large, "Unexpected mallocx() failure");
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dallocx(little, 0);
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dallocx(large, 0);
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assert_d_eq(mallctl("thread.tcache.flush", NULL, NULL, NULL, 0),
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config_tcache ? 0 : ENOENT, "Unexpected mallctl() result");
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assert_d_eq(mallctl("arena.0.purge", NULL, NULL, NULL, 0), 0,
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"Unexpected mallctl() failure");
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assert_d_eq(mallctl("epoch", NULL, NULL, (void *)&epoch, sizeof(epoch)),
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0, "Unexpected mallctl() failure");
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sz = sizeof(size_t);
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assert_d_eq(mallctl("stats.arenas.0.mapped", (void *)&mapped, &sz, NULL,
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0), expected, "Unexepected mallctl() result");
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sz = sizeof(uint64_t);
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assert_d_eq(mallctl("stats.arenas.0.npurge", (void *)&npurge, &sz, NULL,
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0), expected, "Unexepected mallctl() result");
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assert_d_eq(mallctl("stats.arenas.0.nmadvise", (void *)&nmadvise, &sz,
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NULL, 0), expected, "Unexepected mallctl() result");
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assert_d_eq(mallctl("stats.arenas.0.purged", (void *)&purged, &sz, NULL,
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0), expected, "Unexepected mallctl() result");
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if (config_stats) {
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assert_u64_gt(npurge, 0,
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"At least one purge should have occurred");
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assert_u64_le(nmadvise, purged,
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"nmadvise should be no greater than purged");
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}
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}
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TEST_END
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void *
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thd_start(void *arg) {
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return NULL;
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}
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static void
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no_lazy_lock(void) {
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thd_t thd;
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thd_create(&thd, thd_start, NULL);
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thd_join(thd, NULL);
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}
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TEST_BEGIN(test_stats_arenas_small) {
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unsigned arena;
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void *p;
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size_t sz, allocated;
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uint64_t epoch, nmalloc, ndalloc, nrequests;
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int expected = config_stats ? 0 : ENOENT;
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no_lazy_lock(); /* Lazy locking would dodge tcache testing. */
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arena = 0;
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assert_d_eq(mallctl("thread.arena", NULL, NULL, (void *)&arena,
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sizeof(arena)), 0, "Unexpected mallctl() failure");
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p = mallocx(SMALL_MAXCLASS, 0);
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assert_ptr_not_null(p, "Unexpected mallocx() failure");
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assert_d_eq(mallctl("thread.tcache.flush", NULL, NULL, NULL, 0),
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config_tcache ? 0 : ENOENT, "Unexpected mallctl() result");
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assert_d_eq(mallctl("epoch", NULL, NULL, (void *)&epoch, sizeof(epoch)),
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0, "Unexpected mallctl() failure");
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sz = sizeof(size_t);
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assert_d_eq(mallctl("stats.arenas.0.small.allocated",
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(void *)&allocated, &sz, NULL, 0), expected,
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"Unexpected mallctl() result");
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sz = sizeof(uint64_t);
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assert_d_eq(mallctl("stats.arenas.0.small.nmalloc", (void *)&nmalloc,
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&sz, NULL, 0), expected, "Unexpected mallctl() result");
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assert_d_eq(mallctl("stats.arenas.0.small.ndalloc", (void *)&ndalloc,
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&sz, NULL, 0), expected, "Unexpected mallctl() result");
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assert_d_eq(mallctl("stats.arenas.0.small.nrequests",
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(void *)&nrequests, &sz, NULL, 0), expected,
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"Unexpected mallctl() result");
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if (config_stats) {
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assert_zu_gt(allocated, 0,
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"allocated should be greater than zero");
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assert_u64_gt(nmalloc, 0,
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"nmalloc should be no greater than zero");
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assert_u64_ge(nmalloc, ndalloc,
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"nmalloc should be at least as large as ndalloc");
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assert_u64_gt(nrequests, 0,
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"nrequests should be greater than zero");
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}
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dallocx(p, 0);
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}
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TEST_END
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TEST_BEGIN(test_stats_arenas_large) {
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unsigned arena;
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void *p;
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size_t sz, allocated;
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uint64_t epoch, nmalloc, ndalloc;
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int expected = config_stats ? 0 : ENOENT;
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arena = 0;
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assert_d_eq(mallctl("thread.arena", NULL, NULL, (void *)&arena,
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sizeof(arena)), 0, "Unexpected mallctl() failure");
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p = mallocx((1U << LG_LARGE_MINCLASS), 0);
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assert_ptr_not_null(p, "Unexpected mallocx() failure");
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assert_d_eq(mallctl("epoch", NULL, NULL, (void *)&epoch, sizeof(epoch)),
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0, "Unexpected mallctl() failure");
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sz = sizeof(size_t);
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assert_d_eq(mallctl("stats.arenas.0.large.allocated",
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(void *)&allocated, &sz, NULL, 0), expected,
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"Unexpected mallctl() result");
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sz = sizeof(uint64_t);
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assert_d_eq(mallctl("stats.arenas.0.large.nmalloc", (void *)&nmalloc,
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&sz, NULL, 0), expected, "Unexpected mallctl() result");
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assert_d_eq(mallctl("stats.arenas.0.large.ndalloc", (void *)&ndalloc,
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&sz, NULL, 0), expected, "Unexpected mallctl() result");
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if (config_stats) {
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assert_zu_gt(allocated, 0,
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"allocated should be greater than zero");
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assert_u64_gt(nmalloc, 0,
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"nmalloc should be greater than zero");
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assert_u64_ge(nmalloc, ndalloc,
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"nmalloc should be at least as large as ndalloc");
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}
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dallocx(p, 0);
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}
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TEST_END
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TEST_BEGIN(test_stats_arenas_bins) {
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unsigned arena;
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void *p;
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size_t sz, curslabs, curregs;
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uint64_t epoch, nmalloc, ndalloc, nrequests, nfills, nflushes;
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uint64_t nslabs, nreslabs;
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int expected = config_stats ? 0 : ENOENT;
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arena = 0;
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assert_d_eq(mallctl("thread.arena", NULL, NULL, (void *)&arena,
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sizeof(arena)), 0, "Unexpected mallctl() failure");
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p = mallocx(arena_bin_info[0].reg_size, 0);
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assert_ptr_not_null(p, "Unexpected mallocx() failure");
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assert_d_eq(mallctl("thread.tcache.flush", NULL, NULL, NULL, 0),
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config_tcache ? 0 : ENOENT, "Unexpected mallctl() result");
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assert_d_eq(mallctl("epoch", NULL, NULL, (void *)&epoch, sizeof(epoch)),
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0, "Unexpected mallctl() failure");
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sz = sizeof(uint64_t);
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assert_d_eq(mallctl("stats.arenas.0.bins.0.nmalloc", (void *)&nmalloc,
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&sz, NULL, 0), expected, "Unexpected mallctl() result");
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assert_d_eq(mallctl("stats.arenas.0.bins.0.ndalloc", (void *)&ndalloc,
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&sz, NULL, 0), expected, "Unexpected mallctl() result");
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assert_d_eq(mallctl("stats.arenas.0.bins.0.nrequests",
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(void *)&nrequests, &sz, NULL, 0), expected,
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"Unexpected mallctl() result");
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sz = sizeof(size_t);
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assert_d_eq(mallctl("stats.arenas.0.bins.0.curregs", (void *)&curregs,
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&sz, NULL, 0), expected, "Unexpected mallctl() result");
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sz = sizeof(uint64_t);
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assert_d_eq(mallctl("stats.arenas.0.bins.0.nfills", (void *)&nfills,
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&sz, NULL, 0), config_tcache ? expected : ENOENT,
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"Unexpected mallctl() result");
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assert_d_eq(mallctl("stats.arenas.0.bins.0.nflushes", (void *)&nflushes,
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&sz, NULL, 0), config_tcache ? expected : ENOENT,
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"Unexpected mallctl() result");
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assert_d_eq(mallctl("stats.arenas.0.bins.0.nslabs", (void *)&nslabs,
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&sz, NULL, 0), expected, "Unexpected mallctl() result");
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assert_d_eq(mallctl("stats.arenas.0.bins.0.nreslabs", (void *)&nreslabs,
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&sz, NULL, 0), expected, "Unexpected mallctl() result");
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sz = sizeof(size_t);
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assert_d_eq(mallctl("stats.arenas.0.bins.0.curslabs", (void *)&curslabs,
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&sz, NULL, 0), expected, "Unexpected mallctl() result");
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if (config_stats) {
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assert_u64_gt(nmalloc, 0,
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"nmalloc should be greater than zero");
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assert_u64_ge(nmalloc, ndalloc,
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"nmalloc should be at least as large as ndalloc");
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assert_u64_gt(nrequests, 0,
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"nrequests should be greater than zero");
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assert_zu_gt(curregs, 0,
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"allocated should be greater than zero");
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if (config_tcache) {
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assert_u64_gt(nfills, 0,
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"At least one fill should have occurred");
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assert_u64_gt(nflushes, 0,
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"At least one flush should have occurred");
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}
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assert_u64_gt(nslabs, 0,
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"At least one slab should have been allocated");
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assert_zu_gt(curslabs, 0,
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"At least one slab should be currently allocated");
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}
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dallocx(p, 0);
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}
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TEST_END
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TEST_BEGIN(test_stats_arenas_lextents) {
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unsigned arena;
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void *p;
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uint64_t epoch, nmalloc, ndalloc;
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size_t curlextents, sz, hsize;
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int expected = config_stats ? 0 : ENOENT;
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arena = 0;
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assert_d_eq(mallctl("thread.arena", NULL, NULL, (void *)&arena,
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sizeof(arena)), 0, "Unexpected mallctl() failure");
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sz = sizeof(size_t);
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assert_d_eq(mallctl("arenas.lextent.0.size", (void *)&hsize, &sz, NULL,
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0), 0, "Unexpected mallctl() failure");
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p = mallocx(hsize, 0);
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assert_ptr_not_null(p, "Unexpected mallocx() failure");
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assert_d_eq(mallctl("epoch", NULL, NULL, (void *)&epoch, sizeof(epoch)),
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0, "Unexpected mallctl() failure");
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sz = sizeof(uint64_t);
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assert_d_eq(mallctl("stats.arenas.0.lextents.0.nmalloc",
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(void *)&nmalloc, &sz, NULL, 0), expected,
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"Unexpected mallctl() result");
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assert_d_eq(mallctl("stats.arenas.0.lextents.0.ndalloc",
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(void *)&ndalloc, &sz, NULL, 0), expected,
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"Unexpected mallctl() result");
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sz = sizeof(size_t);
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assert_d_eq(mallctl("stats.arenas.0.lextents.0.curlextents",
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(void *)&curlextents, &sz, NULL, 0), expected,
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"Unexpected mallctl() result");
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if (config_stats) {
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assert_u64_gt(nmalloc, 0,
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"nmalloc should be greater than zero");
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assert_u64_ge(nmalloc, ndalloc,
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"nmalloc should be at least as large as ndalloc");
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assert_u64_gt(curlextents, 0,
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"At least one extent should be currently allocated");
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}
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dallocx(p, 0);
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}
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TEST_END
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int
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main(void) {
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return test(
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test_stats_summary,
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test_stats_large,
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test_stats_arenas_summary,
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test_stats_arenas_small,
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test_stats_arenas_large,
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test_stats_arenas_bins,
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test_stats_arenas_lextents);
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}
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