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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-07-24 09:54:23 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-07-24 09:54:44 +0000
commit836b47cb7e99a977c5a23b059ca1d0b5065d310e (patch)
tree1604da8f482d02effa033c94a84be42bc0c848c3 /fluent-bit/lib/jemalloc-5.3.0/test/unit/mallctl.c
parentReleasing debian version 1.44.3-2. (diff)
downloadnetdata-836b47cb7e99a977c5a23b059ca1d0b5065d310e.tar.xz
netdata-836b47cb7e99a977c5a23b059ca1d0b5065d310e.zip
Merging upstream version 1.46.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fluent-bit/lib/jemalloc-5.3.0/test/unit/mallctl.c')
-rw-r--r--fluent-bit/lib/jemalloc-5.3.0/test/unit/mallctl.c1274
1 files changed, 0 insertions, 1274 deletions
diff --git a/fluent-bit/lib/jemalloc-5.3.0/test/unit/mallctl.c b/fluent-bit/lib/jemalloc-5.3.0/test/unit/mallctl.c
deleted file mode 100644
index 6efc8f1b7..000000000
--- a/fluent-bit/lib/jemalloc-5.3.0/test/unit/mallctl.c
+++ /dev/null
@@ -1,1274 +0,0 @@
-#include "test/jemalloc_test.h"
-
-#include "jemalloc/internal/ctl.h"
-#include "jemalloc/internal/hook.h"
-#include "jemalloc/internal/util.h"
-
-TEST_BEGIN(test_mallctl_errors) {
- uint64_t epoch;
- size_t sz;
-
- expect_d_eq(mallctl("no_such_name", NULL, NULL, NULL, 0), ENOENT,
- "mallctl() should return ENOENT for non-existent names");
-
- expect_d_eq(mallctl("version", NULL, NULL, "0.0.0", strlen("0.0.0")),
- EPERM, "mallctl() should return EPERM on attempt to write "
- "read-only value");
-
- expect_d_eq(mallctl("epoch", NULL, NULL, (void *)&epoch,
- sizeof(epoch)-1), EINVAL,
- "mallctl() should return EINVAL for input size mismatch");
- expect_d_eq(mallctl("epoch", NULL, NULL, (void *)&epoch,
- sizeof(epoch)+1), EINVAL,
- "mallctl() should return EINVAL for input size mismatch");
-
- sz = sizeof(epoch)-1;
- expect_d_eq(mallctl("epoch", (void *)&epoch, &sz, NULL, 0), EINVAL,
- "mallctl() should return EINVAL for output size mismatch");
- sz = sizeof(epoch)+1;
- expect_d_eq(mallctl("epoch", (void *)&epoch, &sz, NULL, 0), EINVAL,
- "mallctl() should return EINVAL for output size mismatch");
-}
-TEST_END
-
-TEST_BEGIN(test_mallctlnametomib_errors) {
- size_t mib[1];
- size_t miblen;
-
- miblen = sizeof(mib)/sizeof(size_t);
- expect_d_eq(mallctlnametomib("no_such_name", mib, &miblen), ENOENT,
- "mallctlnametomib() should return ENOENT for non-existent names");
-}
-TEST_END
-
-TEST_BEGIN(test_mallctlbymib_errors) {
- uint64_t epoch;
- size_t sz;
- size_t mib[1];
- size_t miblen;
-
- miblen = sizeof(mib)/sizeof(size_t);
- expect_d_eq(mallctlnametomib("version", mib, &miblen), 0,
- "Unexpected mallctlnametomib() failure");
-
- expect_d_eq(mallctlbymib(mib, miblen, NULL, NULL, "0.0.0",
- strlen("0.0.0")), EPERM, "mallctl() should return EPERM on "
- "attempt to write read-only value");
-
- miblen = sizeof(mib)/sizeof(size_t);
- expect_d_eq(mallctlnametomib("epoch", mib, &miblen), 0,
- "Unexpected mallctlnametomib() failure");
-
- expect_d_eq(mallctlbymib(mib, miblen, NULL, NULL, (void *)&epoch,
- sizeof(epoch)-1), EINVAL,
- "mallctlbymib() should return EINVAL for input size mismatch");
- expect_d_eq(mallctlbymib(mib, miblen, NULL, NULL, (void *)&epoch,
- sizeof(epoch)+1), EINVAL,
- "mallctlbymib() should return EINVAL for input size mismatch");
-
- sz = sizeof(epoch)-1;
- expect_d_eq(mallctlbymib(mib, miblen, (void *)&epoch, &sz, NULL, 0),
- EINVAL,
- "mallctlbymib() should return EINVAL for output size mismatch");
- sz = sizeof(epoch)+1;
- expect_d_eq(mallctlbymib(mib, miblen, (void *)&epoch, &sz, NULL, 0),
- EINVAL,
- "mallctlbymib() should return EINVAL for output size mismatch");
-}
-TEST_END
-
-TEST_BEGIN(test_mallctl_read_write) {
- uint64_t old_epoch, new_epoch;
- size_t sz = sizeof(old_epoch);
-
- /* Blind. */
- expect_d_eq(mallctl("epoch", NULL, NULL, NULL, 0), 0,
- "Unexpected mallctl() failure");
- expect_zu_eq(sz, sizeof(old_epoch), "Unexpected output size");
-
- /* Read. */
- expect_d_eq(mallctl("epoch", (void *)&old_epoch, &sz, NULL, 0), 0,
- "Unexpected mallctl() failure");
- expect_zu_eq(sz, sizeof(old_epoch), "Unexpected output size");
-
- /* Write. */
- expect_d_eq(mallctl("epoch", NULL, NULL, (void *)&new_epoch,
- sizeof(new_epoch)), 0, "Unexpected mallctl() failure");
- expect_zu_eq(sz, sizeof(old_epoch), "Unexpected output size");
-
- /* Read+write. */
- expect_d_eq(mallctl("epoch", (void *)&old_epoch, &sz,
- (void *)&new_epoch, sizeof(new_epoch)), 0,
- "Unexpected mallctl() failure");
- expect_zu_eq(sz, sizeof(old_epoch), "Unexpected output size");
-}
-TEST_END
-
-TEST_BEGIN(test_mallctlnametomib_short_mib) {
- size_t mib[4];
- size_t miblen;
-
- miblen = 3;
- mib[3] = 42;
- expect_d_eq(mallctlnametomib("arenas.bin.0.nregs", mib, &miblen), 0,
- "Unexpected mallctlnametomib() failure");
- expect_zu_eq(miblen, 3, "Unexpected mib output length");
- expect_zu_eq(mib[3], 42,
- "mallctlnametomib() wrote past the end of the input mib");
-}
-TEST_END
-
-TEST_BEGIN(test_mallctlnametomib_short_name) {
- size_t mib[4];
- size_t miblen;
-
- miblen = 4;
- mib[3] = 42;
- expect_d_eq(mallctlnametomib("arenas.bin.0", mib, &miblen), 0,
- "Unexpected mallctlnametomib() failure");
- expect_zu_eq(miblen, 3, "Unexpected mib output length");
- expect_zu_eq(mib[3], 42,
- "mallctlnametomib() wrote past the end of the input mib");
-}
-TEST_END
-
-TEST_BEGIN(test_mallctlmibnametomib) {
- size_t mib[4];
- size_t miblen = 4;
- uint32_t result, result_ref;
- size_t len_result = sizeof(uint32_t);
-
- tsd_t *tsd = tsd_fetch();
-
- /* Error cases */
- assert_d_eq(ctl_mibnametomib(tsd, mib, 0, "bob", &miblen), ENOENT, "");
- assert_zu_eq(miblen, 4, "");
- assert_d_eq(ctl_mibnametomib(tsd, mib, 0, "9999", &miblen), ENOENT, "");
- assert_zu_eq(miblen, 4, "");
-
- /* Valid case. */
- assert_d_eq(ctl_mibnametomib(tsd, mib, 0, "arenas", &miblen), 0, "");
- assert_zu_eq(miblen, 1, "");
- miblen = 4;
- assert_d_eq(ctl_mibnametomib(tsd, mib, 1, "bin", &miblen), 0, "");
- assert_zu_eq(miblen, 2, "");
- expect_d_eq(mallctlbymib(mib, miblen, &result, &len_result, NULL, 0),
- ENOENT, "mallctlbymib() should fail on partial path");
-
- /* Error cases. */
- miblen = 4;
- assert_d_eq(ctl_mibnametomib(tsd, mib, 2, "bob", &miblen), ENOENT, "");
- assert_zu_eq(miblen, 4, "");
- assert_d_eq(ctl_mibnametomib(tsd, mib, 2, "9999", &miblen), ENOENT, "");
- assert_zu_eq(miblen, 4, "");
-
- /* Valid case. */
- assert_d_eq(ctl_mibnametomib(tsd, mib, 2, "0", &miblen), 0, "");
- assert_zu_eq(miblen, 3, "");
- expect_d_eq(mallctlbymib(mib, miblen, &result, &len_result, NULL, 0),
- ENOENT, "mallctlbymib() should fail on partial path");
-
- /* Error cases. */
- miblen = 4;
- assert_d_eq(ctl_mibnametomib(tsd, mib, 3, "bob", &miblen), ENOENT, "");
- assert_zu_eq(miblen, 4, "");
- assert_d_eq(ctl_mibnametomib(tsd, mib, 3, "9999", &miblen), ENOENT, "");
- assert_zu_eq(miblen, 4, "");
-
- /* Valid case. */
- assert_d_eq(ctl_mibnametomib(tsd, mib, 3, "nregs", &miblen), 0, "");
- assert_zu_eq(miblen, 4, "");
- assert_d_eq(mallctlbymib(mib, miblen, &result, &len_result, NULL, 0),
- 0, "Unexpected mallctlbymib() failure");
- assert_d_eq(mallctl("arenas.bin.0.nregs", &result_ref, &len_result,
- NULL, 0), 0, "Unexpected mallctl() failure");
- expect_zu_eq(result, result_ref,
- "mallctlbymib() and mallctl() returned different result");
-}
-TEST_END
-
-TEST_BEGIN(test_mallctlbymibname) {
- size_t mib[4];
- size_t miblen = 4;
- uint32_t result, result_ref;
- size_t len_result = sizeof(uint32_t);
-
- tsd_t *tsd = tsd_fetch();
-
- /* Error cases. */
-
- assert_d_eq(mallctlnametomib("arenas", mib, &miblen), 0,
- "Unexpected mallctlnametomib() failure");
- assert_zu_eq(miblen, 1, "");
-
- miblen = 4;
- assert_d_eq(ctl_bymibname(tsd, mib, 1, "bin.0", &miblen,
- &result, &len_result, NULL, 0), ENOENT, "");
- miblen = 4;
- assert_d_eq(ctl_bymibname(tsd, mib, 1, "bin.0.bob", &miblen,
- &result, &len_result, NULL, 0), ENOENT, "");
- assert_zu_eq(miblen, 4, "");
-
- /* Valid cases. */
-
- assert_d_eq(mallctl("arenas.bin.0.nregs", &result_ref, &len_result,
- NULL, 0), 0, "Unexpected mallctl() failure");
- miblen = 4;
-
- assert_d_eq(ctl_bymibname(tsd, mib, 0, "arenas.bin.0.nregs", &miblen,
- &result, &len_result, NULL, 0), 0, "");
- assert_zu_eq(miblen, 4, "");
- expect_zu_eq(result, result_ref, "Unexpected result");
-
- assert_d_eq(ctl_bymibname(tsd, mib, 1, "bin.0.nregs", &miblen, &result,
- &len_result, NULL, 0), 0, "");
- assert_zu_eq(miblen, 4, "");
- expect_zu_eq(result, result_ref, "Unexpected result");
-
- assert_d_eq(ctl_bymibname(tsd, mib, 2, "0.nregs", &miblen, &result,
- &len_result, NULL, 0), 0, "");
- assert_zu_eq(miblen, 4, "");
- expect_zu_eq(result, result_ref, "Unexpected result");
-
- assert_d_eq(ctl_bymibname(tsd, mib, 3, "nregs", &miblen, &result,
- &len_result, NULL, 0), 0, "");
- assert_zu_eq(miblen, 4, "");
- expect_zu_eq(result, result_ref, "Unexpected result");
-}
-TEST_END
-
-TEST_BEGIN(test_mallctl_config) {
-#define TEST_MALLCTL_CONFIG(config, t) do { \
- t oldval; \
- size_t sz = sizeof(oldval); \
- expect_d_eq(mallctl("config."#config, (void *)&oldval, &sz, \
- NULL, 0), 0, "Unexpected mallctl() failure"); \
- expect_b_eq(oldval, config_##config, "Incorrect config value"); \
- expect_zu_eq(sz, sizeof(oldval), "Unexpected output size"); \
-} while (0)
-
- TEST_MALLCTL_CONFIG(cache_oblivious, bool);
- TEST_MALLCTL_CONFIG(debug, bool);
- TEST_MALLCTL_CONFIG(fill, bool);
- TEST_MALLCTL_CONFIG(lazy_lock, bool);
- TEST_MALLCTL_CONFIG(malloc_conf, const char *);
- TEST_MALLCTL_CONFIG(prof, bool);
- TEST_MALLCTL_CONFIG(prof_libgcc, bool);
- TEST_MALLCTL_CONFIG(prof_libunwind, bool);
- TEST_MALLCTL_CONFIG(stats, bool);
- TEST_MALLCTL_CONFIG(utrace, bool);
- TEST_MALLCTL_CONFIG(xmalloc, bool);
-
-#undef TEST_MALLCTL_CONFIG
-}
-TEST_END
-
-TEST_BEGIN(test_mallctl_opt) {
- bool config_always = true;
-
-#define TEST_MALLCTL_OPT(t, opt, config) do { \
- t oldval; \
- size_t sz = sizeof(oldval); \
- int expected = config_##config ? 0 : ENOENT; \
- int result = mallctl("opt."#opt, (void *)&oldval, &sz, NULL, \
- 0); \
- expect_d_eq(result, expected, \
- "Unexpected mallctl() result for opt."#opt); \
- expect_zu_eq(sz, sizeof(oldval), "Unexpected output size"); \
-} while (0)
-
- TEST_MALLCTL_OPT(bool, abort, always);
- TEST_MALLCTL_OPT(bool, abort_conf, always);
- TEST_MALLCTL_OPT(bool, cache_oblivious, always);
- TEST_MALLCTL_OPT(bool, trust_madvise, always);
- TEST_MALLCTL_OPT(bool, confirm_conf, always);
- TEST_MALLCTL_OPT(const char *, metadata_thp, always);
- TEST_MALLCTL_OPT(bool, retain, always);
- TEST_MALLCTL_OPT(const char *, dss, always);
- TEST_MALLCTL_OPT(bool, hpa, always);
- TEST_MALLCTL_OPT(size_t, hpa_slab_max_alloc, always);
- TEST_MALLCTL_OPT(size_t, hpa_sec_nshards, always);
- TEST_MALLCTL_OPT(size_t, hpa_sec_max_alloc, always);
- TEST_MALLCTL_OPT(size_t, hpa_sec_max_bytes, always);
- TEST_MALLCTL_OPT(size_t, hpa_sec_bytes_after_flush, always);
- TEST_MALLCTL_OPT(size_t, hpa_sec_batch_fill_extra, always);
- TEST_MALLCTL_OPT(unsigned, narenas, always);
- TEST_MALLCTL_OPT(const char *, percpu_arena, always);
- TEST_MALLCTL_OPT(size_t, oversize_threshold, always);
- TEST_MALLCTL_OPT(bool, background_thread, always);
- TEST_MALLCTL_OPT(ssize_t, dirty_decay_ms, always);
- TEST_MALLCTL_OPT(ssize_t, muzzy_decay_ms, always);
- TEST_MALLCTL_OPT(bool, stats_print, always);
- TEST_MALLCTL_OPT(const char *, stats_print_opts, always);
- TEST_MALLCTL_OPT(int64_t, stats_interval, always);
- TEST_MALLCTL_OPT(const char *, stats_interval_opts, always);
- TEST_MALLCTL_OPT(const char *, junk, fill);
- TEST_MALLCTL_OPT(bool, zero, fill);
- TEST_MALLCTL_OPT(bool, utrace, utrace);
- TEST_MALLCTL_OPT(bool, xmalloc, xmalloc);
- TEST_MALLCTL_OPT(bool, tcache, always);
- TEST_MALLCTL_OPT(size_t, lg_extent_max_active_fit, always);
- TEST_MALLCTL_OPT(size_t, tcache_max, always);
- TEST_MALLCTL_OPT(const char *, thp, always);
- TEST_MALLCTL_OPT(const char *, zero_realloc, always);
- TEST_MALLCTL_OPT(bool, prof, prof);
- TEST_MALLCTL_OPT(const char *, prof_prefix, prof);
- TEST_MALLCTL_OPT(bool, prof_active, prof);
- TEST_MALLCTL_OPT(ssize_t, lg_prof_sample, prof);
- TEST_MALLCTL_OPT(bool, prof_accum, prof);
- TEST_MALLCTL_OPT(ssize_t, lg_prof_interval, prof);
- TEST_MALLCTL_OPT(bool, prof_gdump, prof);
- TEST_MALLCTL_OPT(bool, prof_final, prof);
- TEST_MALLCTL_OPT(bool, prof_leak, prof);
- TEST_MALLCTL_OPT(bool, prof_leak_error, prof);
- TEST_MALLCTL_OPT(ssize_t, prof_recent_alloc_max, prof);
- TEST_MALLCTL_OPT(bool, prof_stats, prof);
- TEST_MALLCTL_OPT(bool, prof_sys_thread_name, prof);
- TEST_MALLCTL_OPT(ssize_t, lg_san_uaf_align, uaf_detection);
-
-#undef TEST_MALLCTL_OPT
-}
-TEST_END
-
-TEST_BEGIN(test_manpage_example) {
- unsigned nbins, i;
- size_t mib[4];
- size_t len, miblen;
-
- len = sizeof(nbins);
- expect_d_eq(mallctl("arenas.nbins", (void *)&nbins, &len, NULL, 0), 0,
- "Unexpected mallctl() failure");
-
- miblen = 4;
- expect_d_eq(mallctlnametomib("arenas.bin.0.size", mib, &miblen), 0,
- "Unexpected mallctlnametomib() failure");
- for (i = 0; i < nbins; i++) {
- size_t bin_size;
-
- mib[2] = i;
- len = sizeof(bin_size);
- expect_d_eq(mallctlbymib(mib, miblen, (void *)&bin_size, &len,
- NULL, 0), 0, "Unexpected mallctlbymib() failure");
- /* Do something with bin_size... */
- }
-}
-TEST_END
-
-TEST_BEGIN(test_tcache_none) {
- test_skip_if(!opt_tcache);
-
- /* Allocate p and q. */
- void *p0 = mallocx(42, 0);
- expect_ptr_not_null(p0, "Unexpected mallocx() failure");
- void *q = mallocx(42, 0);
- expect_ptr_not_null(q, "Unexpected mallocx() failure");
-
- /* Deallocate p and q, but bypass the tcache for q. */
- dallocx(p0, 0);
- dallocx(q, MALLOCX_TCACHE_NONE);
-
- /* Make sure that tcache-based allocation returns p, not q. */
- void *p1 = mallocx(42, 0);
- expect_ptr_not_null(p1, "Unexpected mallocx() failure");
- if (!opt_prof && !san_uaf_detection_enabled()) {
- expect_ptr_eq(p0, p1,
- "Expected tcache to allocate cached region");
- }
-
- /* Clean up. */
- dallocx(p1, MALLOCX_TCACHE_NONE);
-}
-TEST_END
-
-TEST_BEGIN(test_tcache) {
-#define NTCACHES 10
- unsigned tis[NTCACHES];
- void *ps[NTCACHES];
- void *qs[NTCACHES];
- unsigned i;
- size_t sz, psz, qsz;
-
- psz = 42;
- qsz = nallocx(psz, 0) + 1;
-
- /* Create tcaches. */
- for (i = 0; i < NTCACHES; i++) {
- sz = sizeof(unsigned);
- expect_d_eq(mallctl("tcache.create", (void *)&tis[i], &sz, NULL,
- 0), 0, "Unexpected mallctl() failure, i=%u", i);
- }
-
- /* Exercise tcache ID recycling. */
- for (i = 0; i < NTCACHES; i++) {
- expect_d_eq(mallctl("tcache.destroy", NULL, NULL,
- (void *)&tis[i], sizeof(unsigned)), 0,
- "Unexpected mallctl() failure, i=%u", i);
- }
- for (i = 0; i < NTCACHES; i++) {
- sz = sizeof(unsigned);
- expect_d_eq(mallctl("tcache.create", (void *)&tis[i], &sz, NULL,
- 0), 0, "Unexpected mallctl() failure, i=%u", i);
- }
-
- /* Flush empty tcaches. */
- for (i = 0; i < NTCACHES; i++) {
- expect_d_eq(mallctl("tcache.flush", NULL, NULL, (void *)&tis[i],
- sizeof(unsigned)), 0, "Unexpected mallctl() failure, i=%u",
- i);
- }
-
- /* Cache some allocations. */
- for (i = 0; i < NTCACHES; i++) {
- ps[i] = mallocx(psz, MALLOCX_TCACHE(tis[i]));
- expect_ptr_not_null(ps[i], "Unexpected mallocx() failure, i=%u",
- i);
- dallocx(ps[i], MALLOCX_TCACHE(tis[i]));
-
- qs[i] = mallocx(qsz, MALLOCX_TCACHE(tis[i]));
- expect_ptr_not_null(qs[i], "Unexpected mallocx() failure, i=%u",
- i);
- dallocx(qs[i], MALLOCX_TCACHE(tis[i]));
- }
-
- /* Verify that tcaches allocate cached regions. */
- for (i = 0; i < NTCACHES; i++) {
- void *p0 = ps[i];
- ps[i] = mallocx(psz, MALLOCX_TCACHE(tis[i]));
- expect_ptr_not_null(ps[i], "Unexpected mallocx() failure, i=%u",
- i);
- if (!san_uaf_detection_enabled()) {
- expect_ptr_eq(ps[i], p0, "Expected mallocx() to "
- "allocate cached region, i=%u", i);
- }
- }
-
- /* Verify that reallocation uses cached regions. */
- for (i = 0; i < NTCACHES; i++) {
- void *q0 = qs[i];
- qs[i] = rallocx(ps[i], qsz, MALLOCX_TCACHE(tis[i]));
- expect_ptr_not_null(qs[i], "Unexpected rallocx() failure, i=%u",
- i);
- if (!san_uaf_detection_enabled()) {
- expect_ptr_eq(qs[i], q0, "Expected rallocx() to "
- "allocate cached region, i=%u", i);
- }
- /* Avoid undefined behavior in case of test failure. */
- if (qs[i] == NULL) {
- qs[i] = ps[i];
- }
- }
- for (i = 0; i < NTCACHES; i++) {
- dallocx(qs[i], MALLOCX_TCACHE(tis[i]));
- }
-
- /* Flush some non-empty tcaches. */
- for (i = 0; i < NTCACHES/2; i++) {
- expect_d_eq(mallctl("tcache.flush", NULL, NULL, (void *)&tis[i],
- sizeof(unsigned)), 0, "Unexpected mallctl() failure, i=%u",
- i);
- }
-
- /* Destroy tcaches. */
- for (i = 0; i < NTCACHES; i++) {
- expect_d_eq(mallctl("tcache.destroy", NULL, NULL,
- (void *)&tis[i], sizeof(unsigned)), 0,
- "Unexpected mallctl() failure, i=%u", i);
- }
-}
-TEST_END
-
-TEST_BEGIN(test_thread_arena) {
- unsigned old_arena_ind, new_arena_ind, narenas;
-
- const char *opa;
- size_t sz = sizeof(opa);
- expect_d_eq(mallctl("opt.percpu_arena", (void *)&opa, &sz, NULL, 0), 0,
- "Unexpected mallctl() failure");
-
- sz = sizeof(unsigned);
- expect_d_eq(mallctl("arenas.narenas", (void *)&narenas, &sz, NULL, 0),
- 0, "Unexpected mallctl() failure");
- if (opt_oversize_threshold != 0) {
- narenas--;
- }
- expect_u_eq(narenas, opt_narenas, "Number of arenas incorrect");
-
- if (strcmp(opa, "disabled") == 0) {
- new_arena_ind = narenas - 1;
- expect_d_eq(mallctl("thread.arena", (void *)&old_arena_ind, &sz,
- (void *)&new_arena_ind, sizeof(unsigned)), 0,
- "Unexpected mallctl() failure");
- new_arena_ind = 0;
- expect_d_eq(mallctl("thread.arena", (void *)&old_arena_ind, &sz,
- (void *)&new_arena_ind, sizeof(unsigned)), 0,
- "Unexpected mallctl() failure");
- } else {
- expect_d_eq(mallctl("thread.arena", (void *)&old_arena_ind, &sz,
- NULL, 0), 0, "Unexpected mallctl() failure");
- new_arena_ind = percpu_arena_ind_limit(opt_percpu_arena) - 1;
- if (old_arena_ind != new_arena_ind) {
- expect_d_eq(mallctl("thread.arena",
- (void *)&old_arena_ind, &sz, (void *)&new_arena_ind,
- sizeof(unsigned)), EPERM, "thread.arena ctl "
- "should not be allowed with percpu arena");
- }
- }
-}
-TEST_END
-
-TEST_BEGIN(test_arena_i_initialized) {
- unsigned narenas, i;
- size_t sz;
- size_t mib[3];
- size_t miblen = sizeof(mib) / sizeof(size_t);
- bool initialized;
-
- sz = sizeof(narenas);
- expect_d_eq(mallctl("arenas.narenas", (void *)&narenas, &sz, NULL, 0),
- 0, "Unexpected mallctl() failure");
-
- expect_d_eq(mallctlnametomib("arena.0.initialized", mib, &miblen), 0,
- "Unexpected mallctlnametomib() failure");
- for (i = 0; i < narenas; i++) {
- mib[1] = i;
- sz = sizeof(initialized);
- expect_d_eq(mallctlbymib(mib, miblen, &initialized, &sz, NULL,
- 0), 0, "Unexpected mallctl() failure");
- }
-
- mib[1] = MALLCTL_ARENAS_ALL;
- sz = sizeof(initialized);
- expect_d_eq(mallctlbymib(mib, miblen, &initialized, &sz, NULL, 0), 0,
- "Unexpected mallctl() failure");
- expect_true(initialized,
- "Merged arena statistics should always be initialized");
-
- /* Equivalent to the above but using mallctl() directly. */
- sz = sizeof(initialized);
- expect_d_eq(mallctl(
- "arena." STRINGIFY(MALLCTL_ARENAS_ALL) ".initialized",
- (void *)&initialized, &sz, NULL, 0), 0,
- "Unexpected mallctl() failure");
- expect_true(initialized,
- "Merged arena statistics should always be initialized");
-}
-TEST_END
-
-TEST_BEGIN(test_arena_i_dirty_decay_ms) {
- ssize_t dirty_decay_ms, orig_dirty_decay_ms, prev_dirty_decay_ms;
- size_t sz = sizeof(ssize_t);
-
- expect_d_eq(mallctl("arena.0.dirty_decay_ms",
- (void *)&orig_dirty_decay_ms, &sz, NULL, 0), 0,
- "Unexpected mallctl() failure");
-
- dirty_decay_ms = -2;
- expect_d_eq(mallctl("arena.0.dirty_decay_ms", NULL, NULL,
- (void *)&dirty_decay_ms, sizeof(ssize_t)), EFAULT,
- "Unexpected mallctl() success");
-
- dirty_decay_ms = 0x7fffffff;
- expect_d_eq(mallctl("arena.0.dirty_decay_ms", NULL, NULL,
- (void *)&dirty_decay_ms, sizeof(ssize_t)), 0,
- "Unexpected mallctl() failure");
-
- for (prev_dirty_decay_ms = dirty_decay_ms, dirty_decay_ms = -1;
- dirty_decay_ms < 20; prev_dirty_decay_ms = dirty_decay_ms,
- dirty_decay_ms++) {
- ssize_t old_dirty_decay_ms;
-
- expect_d_eq(mallctl("arena.0.dirty_decay_ms",
- (void *)&old_dirty_decay_ms, &sz, (void *)&dirty_decay_ms,
- sizeof(ssize_t)), 0, "Unexpected mallctl() failure");
- expect_zd_eq(old_dirty_decay_ms, prev_dirty_decay_ms,
- "Unexpected old arena.0.dirty_decay_ms");
- }
-}
-TEST_END
-
-TEST_BEGIN(test_arena_i_muzzy_decay_ms) {
- ssize_t muzzy_decay_ms, orig_muzzy_decay_ms, prev_muzzy_decay_ms;
- size_t sz = sizeof(ssize_t);
-
- expect_d_eq(mallctl("arena.0.muzzy_decay_ms",
- (void *)&orig_muzzy_decay_ms, &sz, NULL, 0), 0,
- "Unexpected mallctl() failure");
-
- muzzy_decay_ms = -2;
- expect_d_eq(mallctl("arena.0.muzzy_decay_ms", NULL, NULL,
- (void *)&muzzy_decay_ms, sizeof(ssize_t)), EFAULT,
- "Unexpected mallctl() success");
-
- muzzy_decay_ms = 0x7fffffff;
- expect_d_eq(mallctl("arena.0.muzzy_decay_ms", NULL, NULL,
- (void *)&muzzy_decay_ms, sizeof(ssize_t)), 0,
- "Unexpected mallctl() failure");
-
- for (prev_muzzy_decay_ms = muzzy_decay_ms, muzzy_decay_ms = -1;
- muzzy_decay_ms < 20; prev_muzzy_decay_ms = muzzy_decay_ms,
- muzzy_decay_ms++) {
- ssize_t old_muzzy_decay_ms;
-
- expect_d_eq(mallctl("arena.0.muzzy_decay_ms",
- (void *)&old_muzzy_decay_ms, &sz, (void *)&muzzy_decay_ms,
- sizeof(ssize_t)), 0, "Unexpected mallctl() failure");
- expect_zd_eq(old_muzzy_decay_ms, prev_muzzy_decay_ms,
- "Unexpected old arena.0.muzzy_decay_ms");
- }
-}
-TEST_END
-
-TEST_BEGIN(test_arena_i_purge) {
- unsigned narenas;
- size_t sz = sizeof(unsigned);
- size_t mib[3];
- size_t miblen = 3;
-
- expect_d_eq(mallctl("arena.0.purge", NULL, NULL, NULL, 0), 0,
- "Unexpected mallctl() failure");
-
- expect_d_eq(mallctl("arenas.narenas", (void *)&narenas, &sz, NULL, 0),
- 0, "Unexpected mallctl() failure");
- expect_d_eq(mallctlnametomib("arena.0.purge", mib, &miblen), 0,
- "Unexpected mallctlnametomib() failure");
- mib[1] = narenas;
- expect_d_eq(mallctlbymib(mib, miblen, NULL, NULL, NULL, 0), 0,
- "Unexpected mallctlbymib() failure");
-
- mib[1] = MALLCTL_ARENAS_ALL;
- expect_d_eq(mallctlbymib(mib, miblen, NULL, NULL, NULL, 0), 0,
- "Unexpected mallctlbymib() failure");
-}
-TEST_END
-
-TEST_BEGIN(test_arena_i_decay) {
- unsigned narenas;
- size_t sz = sizeof(unsigned);
- size_t mib[3];
- size_t miblen = 3;
-
- expect_d_eq(mallctl("arena.0.decay", NULL, NULL, NULL, 0), 0,
- "Unexpected mallctl() failure");
-
- expect_d_eq(mallctl("arenas.narenas", (void *)&narenas, &sz, NULL, 0),
- 0, "Unexpected mallctl() failure");
- expect_d_eq(mallctlnametomib("arena.0.decay", mib, &miblen), 0,
- "Unexpected mallctlnametomib() failure");
- mib[1] = narenas;
- expect_d_eq(mallctlbymib(mib, miblen, NULL, NULL, NULL, 0), 0,
- "Unexpected mallctlbymib() failure");
-
- mib[1] = MALLCTL_ARENAS_ALL;
- expect_d_eq(mallctlbymib(mib, miblen, NULL, NULL, NULL, 0), 0,
- "Unexpected mallctlbymib() failure");
-}
-TEST_END
-
-TEST_BEGIN(test_arena_i_dss) {
- const char *dss_prec_old, *dss_prec_new;
- size_t sz = sizeof(dss_prec_old);
- size_t mib[3];
- size_t miblen;
-
- miblen = sizeof(mib)/sizeof(size_t);
- expect_d_eq(mallctlnametomib("arena.0.dss", mib, &miblen), 0,
- "Unexpected mallctlnametomib() error");
-
- dss_prec_new = "disabled";
- expect_d_eq(mallctlbymib(mib, miblen, (void *)&dss_prec_old, &sz,
- (void *)&dss_prec_new, sizeof(dss_prec_new)), 0,
- "Unexpected mallctl() failure");
- expect_str_ne(dss_prec_old, "primary",
- "Unexpected default for dss precedence");
-
- expect_d_eq(mallctlbymib(mib, miblen, (void *)&dss_prec_new, &sz,
- (void *)&dss_prec_old, sizeof(dss_prec_old)), 0,
- "Unexpected mallctl() failure");
-
- expect_d_eq(mallctlbymib(mib, miblen, (void *)&dss_prec_old, &sz, NULL,
- 0), 0, "Unexpected mallctl() failure");
- expect_str_ne(dss_prec_old, "primary",
- "Unexpected value for dss precedence");
-
- mib[1] = narenas_total_get();
- dss_prec_new = "disabled";
- expect_d_eq(mallctlbymib(mib, miblen, (void *)&dss_prec_old, &sz,
- (void *)&dss_prec_new, sizeof(dss_prec_new)), 0,
- "Unexpected mallctl() failure");
- expect_str_ne(dss_prec_old, "primary",
- "Unexpected default for dss precedence");
-
- expect_d_eq(mallctlbymib(mib, miblen, (void *)&dss_prec_new, &sz,
- (void *)&dss_prec_old, sizeof(dss_prec_new)), 0,
- "Unexpected mallctl() failure");
-
- expect_d_eq(mallctlbymib(mib, miblen, (void *)&dss_prec_old, &sz, NULL,
- 0), 0, "Unexpected mallctl() failure");
- expect_str_ne(dss_prec_old, "primary",
- "Unexpected value for dss precedence");
-}
-TEST_END
-
-TEST_BEGIN(test_arena_i_retain_grow_limit) {
- size_t old_limit, new_limit, default_limit;
- size_t mib[3];
- size_t miblen;
-
- bool retain_enabled;
- size_t sz = sizeof(retain_enabled);
- expect_d_eq(mallctl("opt.retain", &retain_enabled, &sz, NULL, 0),
- 0, "Unexpected mallctl() failure");
- test_skip_if(!retain_enabled);
-
- sz = sizeof(default_limit);
- miblen = sizeof(mib)/sizeof(size_t);
- expect_d_eq(mallctlnametomib("arena.0.retain_grow_limit", mib, &miblen),
- 0, "Unexpected mallctlnametomib() error");
-
- expect_d_eq(mallctlbymib(mib, miblen, &default_limit, &sz, NULL, 0), 0,
- "Unexpected mallctl() failure");
- expect_zu_eq(default_limit, SC_LARGE_MAXCLASS,
- "Unexpected default for retain_grow_limit");
-
- new_limit = PAGE - 1;
- expect_d_eq(mallctlbymib(mib, miblen, NULL, NULL, &new_limit,
- sizeof(new_limit)), EFAULT, "Unexpected mallctl() success");
-
- new_limit = PAGE + 1;
- expect_d_eq(mallctlbymib(mib, miblen, NULL, NULL, &new_limit,
- sizeof(new_limit)), 0, "Unexpected mallctl() failure");
- expect_d_eq(mallctlbymib(mib, miblen, &old_limit, &sz, NULL, 0), 0,
- "Unexpected mallctl() failure");
- expect_zu_eq(old_limit, PAGE,
- "Unexpected value for retain_grow_limit");
-
- /* Expect grow less than psize class 10. */
- new_limit = sz_pind2sz(10) - 1;
- expect_d_eq(mallctlbymib(mib, miblen, NULL, NULL, &new_limit,
- sizeof(new_limit)), 0, "Unexpected mallctl() failure");
- expect_d_eq(mallctlbymib(mib, miblen, &old_limit, &sz, NULL, 0), 0,
- "Unexpected mallctl() failure");
- expect_zu_eq(old_limit, sz_pind2sz(9),
- "Unexpected value for retain_grow_limit");
-
- /* Restore to default. */
- expect_d_eq(mallctlbymib(mib, miblen, NULL, NULL, &default_limit,
- sizeof(default_limit)), 0, "Unexpected mallctl() failure");
-}
-TEST_END
-
-TEST_BEGIN(test_arenas_dirty_decay_ms) {
- ssize_t dirty_decay_ms, orig_dirty_decay_ms, prev_dirty_decay_ms;
- size_t sz = sizeof(ssize_t);
-
- expect_d_eq(mallctl("arenas.dirty_decay_ms",
- (void *)&orig_dirty_decay_ms, &sz, NULL, 0), 0,
- "Unexpected mallctl() failure");
-
- dirty_decay_ms = -2;
- expect_d_eq(mallctl("arenas.dirty_decay_ms", NULL, NULL,
- (void *)&dirty_decay_ms, sizeof(ssize_t)), EFAULT,
- "Unexpected mallctl() success");
-
- dirty_decay_ms = 0x7fffffff;
- expect_d_eq(mallctl("arenas.dirty_decay_ms", NULL, NULL,
- (void *)&dirty_decay_ms, sizeof(ssize_t)), 0,
- "Expected mallctl() failure");
-
- for (prev_dirty_decay_ms = dirty_decay_ms, dirty_decay_ms = -1;
- dirty_decay_ms < 20; prev_dirty_decay_ms = dirty_decay_ms,
- dirty_decay_ms++) {
- ssize_t old_dirty_decay_ms;
-
- expect_d_eq(mallctl("arenas.dirty_decay_ms",
- (void *)&old_dirty_decay_ms, &sz, (void *)&dirty_decay_ms,
- sizeof(ssize_t)), 0, "Unexpected mallctl() failure");
- expect_zd_eq(old_dirty_decay_ms, prev_dirty_decay_ms,
- "Unexpected old arenas.dirty_decay_ms");
- }
-}
-TEST_END
-
-TEST_BEGIN(test_arenas_muzzy_decay_ms) {
- ssize_t muzzy_decay_ms, orig_muzzy_decay_ms, prev_muzzy_decay_ms;
- size_t sz = sizeof(ssize_t);
-
- expect_d_eq(mallctl("arenas.muzzy_decay_ms",
- (void *)&orig_muzzy_decay_ms, &sz, NULL, 0), 0,
- "Unexpected mallctl() failure");
-
- muzzy_decay_ms = -2;
- expect_d_eq(mallctl("arenas.muzzy_decay_ms", NULL, NULL,
- (void *)&muzzy_decay_ms, sizeof(ssize_t)), EFAULT,
- "Unexpected mallctl() success");
-
- muzzy_decay_ms = 0x7fffffff;
- expect_d_eq(mallctl("arenas.muzzy_decay_ms", NULL, NULL,
- (void *)&muzzy_decay_ms, sizeof(ssize_t)), 0,
- "Expected mallctl() failure");
-
- for (prev_muzzy_decay_ms = muzzy_decay_ms, muzzy_decay_ms = -1;
- muzzy_decay_ms < 20; prev_muzzy_decay_ms = muzzy_decay_ms,
- muzzy_decay_ms++) {
- ssize_t old_muzzy_decay_ms;
-
- expect_d_eq(mallctl("arenas.muzzy_decay_ms",
- (void *)&old_muzzy_decay_ms, &sz, (void *)&muzzy_decay_ms,
- sizeof(ssize_t)), 0, "Unexpected mallctl() failure");
- expect_zd_eq(old_muzzy_decay_ms, prev_muzzy_decay_ms,
- "Unexpected old arenas.muzzy_decay_ms");
- }
-}
-TEST_END
-
-TEST_BEGIN(test_arenas_constants) {
-#define TEST_ARENAS_CONSTANT(t, name, expected) do { \
- t name; \
- size_t sz = sizeof(t); \
- expect_d_eq(mallctl("arenas."#name, (void *)&name, &sz, NULL, \
- 0), 0, "Unexpected mallctl() failure"); \
- expect_zu_eq(name, expected, "Incorrect "#name" size"); \
-} while (0)
-
- TEST_ARENAS_CONSTANT(size_t, quantum, QUANTUM);
- TEST_ARENAS_CONSTANT(size_t, page, PAGE);
- TEST_ARENAS_CONSTANT(unsigned, nbins, SC_NBINS);
- TEST_ARENAS_CONSTANT(unsigned, nlextents, SC_NSIZES - SC_NBINS);
-
-#undef TEST_ARENAS_CONSTANT
-}
-TEST_END
-
-TEST_BEGIN(test_arenas_bin_constants) {
-#define TEST_ARENAS_BIN_CONSTANT(t, name, expected) do { \
- t name; \
- size_t sz = sizeof(t); \
- expect_d_eq(mallctl("arenas.bin.0."#name, (void *)&name, &sz, \
- NULL, 0), 0, "Unexpected mallctl() failure"); \
- expect_zu_eq(name, expected, "Incorrect "#name" size"); \
-} while (0)
-
- TEST_ARENAS_BIN_CONSTANT(size_t, size, bin_infos[0].reg_size);
- TEST_ARENAS_BIN_CONSTANT(uint32_t, nregs, bin_infos[0].nregs);
- TEST_ARENAS_BIN_CONSTANT(size_t, slab_size,
- bin_infos[0].slab_size);
- TEST_ARENAS_BIN_CONSTANT(uint32_t, nshards, bin_infos[0].n_shards);
-
-#undef TEST_ARENAS_BIN_CONSTANT
-}
-TEST_END
-
-TEST_BEGIN(test_arenas_lextent_constants) {
-#define TEST_ARENAS_LEXTENT_CONSTANT(t, name, expected) do { \
- t name; \
- size_t sz = sizeof(t); \
- expect_d_eq(mallctl("arenas.lextent.0."#name, (void *)&name, \
- &sz, NULL, 0), 0, "Unexpected mallctl() failure"); \
- expect_zu_eq(name, expected, "Incorrect "#name" size"); \
-} while (0)
-
- TEST_ARENAS_LEXTENT_CONSTANT(size_t, size,
- SC_LARGE_MINCLASS);
-
-#undef TEST_ARENAS_LEXTENT_CONSTANT
-}
-TEST_END
-
-TEST_BEGIN(test_arenas_create) {
- unsigned narenas_before, arena, narenas_after;
- size_t sz = sizeof(unsigned);
-
- expect_d_eq(mallctl("arenas.narenas", (void *)&narenas_before, &sz,
- NULL, 0), 0, "Unexpected mallctl() failure");
- expect_d_eq(mallctl("arenas.create", (void *)&arena, &sz, NULL, 0), 0,
- "Unexpected mallctl() failure");
- expect_d_eq(mallctl("arenas.narenas", (void *)&narenas_after, &sz, NULL,
- 0), 0, "Unexpected mallctl() failure");
-
- expect_u_eq(narenas_before+1, narenas_after,
- "Unexpected number of arenas before versus after extension");
- expect_u_eq(arena, narenas_after-1, "Unexpected arena index");
-}
-TEST_END
-
-TEST_BEGIN(test_arenas_lookup) {
- unsigned arena, arena1;
- void *ptr;
- size_t sz = sizeof(unsigned);
-
- expect_d_eq(mallctl("arenas.create", (void *)&arena, &sz, NULL, 0), 0,
- "Unexpected mallctl() failure");
- ptr = mallocx(42, MALLOCX_ARENA(arena) | MALLOCX_TCACHE_NONE);
- expect_ptr_not_null(ptr, "Unexpected mallocx() failure");
- expect_d_eq(mallctl("arenas.lookup", &arena1, &sz, &ptr, sizeof(ptr)),
- 0, "Unexpected mallctl() failure");
- expect_u_eq(arena, arena1, "Unexpected arena index");
- dallocx(ptr, 0);
-}
-TEST_END
-
-TEST_BEGIN(test_prof_active) {
- /*
- * If config_prof is off, then the test for prof_active in
- * test_mallctl_opt was already enough.
- */
- test_skip_if(!config_prof);
- test_skip_if(opt_prof);
-
- bool active, old;
- size_t len = sizeof(bool);
-
- active = true;
- expect_d_eq(mallctl("prof.active", NULL, NULL, &active, len), ENOENT,
- "Setting prof_active to true should fail when opt_prof is off");
- old = true;
- expect_d_eq(mallctl("prof.active", &old, &len, &active, len), ENOENT,
- "Setting prof_active to true should fail when opt_prof is off");
- expect_true(old, "old value should not be touched when mallctl fails");
- active = false;
- expect_d_eq(mallctl("prof.active", NULL, NULL, &active, len), 0,
- "Setting prof_active to false should succeed when opt_prof is off");
- expect_d_eq(mallctl("prof.active", &old, &len, &active, len), 0,
- "Setting prof_active to false should succeed when opt_prof is off");
- expect_false(old, "prof_active should be false when opt_prof is off");
-}
-TEST_END
-
-TEST_BEGIN(test_stats_arenas) {
-#define TEST_STATS_ARENAS(t, name) do { \
- t name; \
- size_t sz = sizeof(t); \
- expect_d_eq(mallctl("stats.arenas.0."#name, (void *)&name, &sz, \
- NULL, 0), 0, "Unexpected mallctl() failure"); \
-} while (0)
-
- TEST_STATS_ARENAS(unsigned, nthreads);
- TEST_STATS_ARENAS(const char *, dss);
- TEST_STATS_ARENAS(ssize_t, dirty_decay_ms);
- TEST_STATS_ARENAS(ssize_t, muzzy_decay_ms);
- TEST_STATS_ARENAS(size_t, pactive);
- TEST_STATS_ARENAS(size_t, pdirty);
-
-#undef TEST_STATS_ARENAS
-}
-TEST_END
-
-static void
-alloc_hook(void *extra, UNUSED hook_alloc_t type, UNUSED void *result,
- UNUSED uintptr_t result_raw, UNUSED uintptr_t args_raw[3]) {
- *(bool *)extra = true;
-}
-
-static void
-dalloc_hook(void *extra, UNUSED hook_dalloc_t type,
- UNUSED void *address, UNUSED uintptr_t args_raw[3]) {
- *(bool *)extra = true;
-}
-
-TEST_BEGIN(test_hooks) {
- bool hook_called = false;
- hooks_t hooks = {&alloc_hook, &dalloc_hook, NULL, &hook_called};
- void *handle = NULL;
- size_t sz = sizeof(handle);
- int err = mallctl("experimental.hooks.install", &handle, &sz, &hooks,
- sizeof(hooks));
- expect_d_eq(err, 0, "Hook installation failed");
- expect_ptr_ne(handle, NULL, "Hook installation gave null handle");
- void *ptr = mallocx(1, 0);
- expect_true(hook_called, "Alloc hook not called");
- hook_called = false;
- free(ptr);
- expect_true(hook_called, "Free hook not called");
-
- err = mallctl("experimental.hooks.remove", NULL, NULL, &handle,
- sizeof(handle));
- expect_d_eq(err, 0, "Hook removal failed");
- hook_called = false;
- ptr = mallocx(1, 0);
- free(ptr);
- expect_false(hook_called, "Hook called after removal");
-}
-TEST_END
-
-TEST_BEGIN(test_hooks_exhaustion) {
- bool hook_called = false;
- hooks_t hooks = {&alloc_hook, &dalloc_hook, NULL, &hook_called};
-
- void *handle;
- void *handles[HOOK_MAX];
- size_t sz = sizeof(handle);
- int err;
- for (int i = 0; i < HOOK_MAX; i++) {
- handle = NULL;
- err = mallctl("experimental.hooks.install", &handle, &sz,
- &hooks, sizeof(hooks));
- expect_d_eq(err, 0, "Error installation hooks");
- expect_ptr_ne(handle, NULL, "Got NULL handle");
- handles[i] = handle;
- }
- err = mallctl("experimental.hooks.install", &handle, &sz, &hooks,
- sizeof(hooks));
- expect_d_eq(err, EAGAIN, "Should have failed hook installation");
- for (int i = 0; i < HOOK_MAX; i++) {
- err = mallctl("experimental.hooks.remove", NULL, NULL,
- &handles[i], sizeof(handles[i]));
- expect_d_eq(err, 0, "Hook removal failed");
- }
- /* Insertion failed, but then we removed some; it should work now. */
- handle = NULL;
- err = mallctl("experimental.hooks.install", &handle, &sz, &hooks,
- sizeof(hooks));
- expect_d_eq(err, 0, "Hook insertion failed");
- expect_ptr_ne(handle, NULL, "Got NULL handle");
- err = mallctl("experimental.hooks.remove", NULL, NULL, &handle,
- sizeof(handle));
- expect_d_eq(err, 0, "Hook removal failed");
-}
-TEST_END
-
-TEST_BEGIN(test_thread_idle) {
- /*
- * We're cheating a little bit in this test, and inferring things about
- * implementation internals (like tcache details). We have to;
- * thread.idle has no guaranteed effects. We need stats to make these
- * inferences.
- */
- test_skip_if(!config_stats);
-
- int err;
- size_t sz;
- size_t miblen;
-
- bool tcache_enabled = false;
- sz = sizeof(tcache_enabled);
- err = mallctl("thread.tcache.enabled", &tcache_enabled, &sz, NULL, 0);
- expect_d_eq(err, 0, "");
- test_skip_if(!tcache_enabled);
-
- size_t tcache_max;
- sz = sizeof(tcache_max);
- err = mallctl("arenas.tcache_max", &tcache_max, &sz, NULL, 0);
- expect_d_eq(err, 0, "");
- test_skip_if(tcache_max == 0);
-
- unsigned arena_ind;
- sz = sizeof(arena_ind);
- err = mallctl("thread.arena", &arena_ind, &sz, NULL, 0);
- expect_d_eq(err, 0, "");
-
- /* We're going to do an allocation of size 1, which we know is small. */
- size_t mib[5];
- miblen = sizeof(mib)/sizeof(mib[0]);
- err = mallctlnametomib("stats.arenas.0.small.ndalloc", mib, &miblen);
- expect_d_eq(err, 0, "");
- mib[2] = arena_ind;
-
- /*
- * This alloc and dalloc should leave something in the tcache, in a
- * small size's cache bin.
- */
- void *ptr = mallocx(1, 0);
- dallocx(ptr, 0);
-
- uint64_t epoch;
- err = mallctl("epoch", NULL, NULL, &epoch, sizeof(epoch));
- expect_d_eq(err, 0, "");
-
- uint64_t small_dalloc_pre_idle;
- sz = sizeof(small_dalloc_pre_idle);
- err = mallctlbymib(mib, miblen, &small_dalloc_pre_idle, &sz, NULL, 0);
- expect_d_eq(err, 0, "");
-
- err = mallctl("thread.idle", NULL, NULL, NULL, 0);
- expect_d_eq(err, 0, "");
-
- err = mallctl("epoch", NULL, NULL, &epoch, sizeof(epoch));
- expect_d_eq(err, 0, "");
-
- uint64_t small_dalloc_post_idle;
- sz = sizeof(small_dalloc_post_idle);
- err = mallctlbymib(mib, miblen, &small_dalloc_post_idle, &sz, NULL, 0);
- expect_d_eq(err, 0, "");
-
- expect_u64_lt(small_dalloc_pre_idle, small_dalloc_post_idle,
- "Purge didn't flush the tcache");
-}
-TEST_END
-
-TEST_BEGIN(test_thread_peak) {
- test_skip_if(!config_stats);
-
- /*
- * We don't commit to any stable amount of accuracy for peak tracking
- * (in practice, when this test was written, we made sure to be within
- * 100k). But 10MB is big for more or less any definition of big.
- */
- size_t big_size = 10 * 1024 * 1024;
- size_t small_size = 256;
-
- void *ptr;
- int err;
- size_t sz;
- uint64_t peak;
- sz = sizeof(uint64_t);
-
- err = mallctl("thread.peak.reset", NULL, NULL, NULL, 0);
- expect_d_eq(err, 0, "");
- ptr = mallocx(SC_SMALL_MAXCLASS, 0);
- err = mallctl("thread.peak.read", &peak, &sz, NULL, 0);
- expect_d_eq(err, 0, "");
- expect_u64_eq(peak, SC_SMALL_MAXCLASS, "Missed an update");
- free(ptr);
- err = mallctl("thread.peak.read", &peak, &sz, NULL, 0);
- expect_d_eq(err, 0, "");
- expect_u64_eq(peak, SC_SMALL_MAXCLASS, "Freeing changed peak");
- ptr = mallocx(big_size, 0);
- free(ptr);
- /*
- * The peak should have hit big_size in the last two lines, even though
- * the net allocated bytes has since dropped back down to zero. We
- * should have noticed the peak change without having down any mallctl
- * calls while net allocated bytes was high.
- */
- err = mallctl("thread.peak.read", &peak, &sz, NULL, 0);
- expect_d_eq(err, 0, "");
- expect_u64_ge(peak, big_size, "Missed a peak change.");
-
- /* Allocate big_size, but using small allocations. */
- size_t nallocs = big_size / small_size;
- void **ptrs = calloc(nallocs, sizeof(void *));
- err = mallctl("thread.peak.reset", NULL, NULL, NULL, 0);
- expect_d_eq(err, 0, "");
- err = mallctl("thread.peak.read", &peak, &sz, NULL, 0);
- expect_d_eq(err, 0, "");
- expect_u64_eq(0, peak, "Missed a reset.");
- for (size_t i = 0; i < nallocs; i++) {
- ptrs[i] = mallocx(small_size, 0);
- }
- for (size_t i = 0; i < nallocs; i++) {
- free(ptrs[i]);
- }
- err = mallctl("thread.peak.read", &peak, &sz, NULL, 0);
- expect_d_eq(err, 0, "");
- /*
- * We don't guarantee exactness; make sure we're within 10% of the peak,
- * though.
- */
- expect_u64_ge(peak, nallocx(small_size, 0) * nallocs * 9 / 10,
- "Missed some peak changes.");
- expect_u64_le(peak, nallocx(small_size, 0) * nallocs * 11 / 10,
- "Overcounted peak changes.");
- free(ptrs);
-}
-TEST_END
-
-typedef struct activity_test_data_s activity_test_data_t;
-struct activity_test_data_s {
- uint64_t obtained_alloc;
- uint64_t obtained_dalloc;
-};
-
-static void
-activity_test_callback(void *uctx, uint64_t alloc, uint64_t dalloc) {
- activity_test_data_t *test_data = (activity_test_data_t *)uctx;
- test_data->obtained_alloc = alloc;
- test_data->obtained_dalloc = dalloc;
-}
-
-TEST_BEGIN(test_thread_activity_callback) {
- test_skip_if(!config_stats);
-
- const size_t big_size = 10 * 1024 * 1024;
- void *ptr;
- int err;
- size_t sz;
-
- uint64_t *allocatedp;
- uint64_t *deallocatedp;
- sz = sizeof(allocatedp);
- err = mallctl("thread.allocatedp", &allocatedp, &sz, NULL, 0);
- assert_d_eq(0, err, "");
- err = mallctl("thread.deallocatedp", &deallocatedp, &sz, NULL, 0);
- assert_d_eq(0, err, "");
-
- activity_callback_thunk_t old_thunk = {(activity_callback_t)111,
- (void *)222};
-
- activity_test_data_t test_data = {333, 444};
- activity_callback_thunk_t new_thunk =
- {&activity_test_callback, &test_data};
-
- sz = sizeof(old_thunk);
- err = mallctl("experimental.thread.activity_callback", &old_thunk, &sz,
- &new_thunk, sizeof(new_thunk));
- assert_d_eq(0, err, "");
-
- expect_true(old_thunk.callback == NULL, "Callback already installed");
- expect_true(old_thunk.uctx == NULL, "Callback data already installed");
-
- ptr = mallocx(big_size, 0);
- expect_u64_eq(test_data.obtained_alloc, *allocatedp, "");
- expect_u64_eq(test_data.obtained_dalloc, *deallocatedp, "");
-
- free(ptr);
- expect_u64_eq(test_data.obtained_alloc, *allocatedp, "");
- expect_u64_eq(test_data.obtained_dalloc, *deallocatedp, "");
-
- sz = sizeof(old_thunk);
- new_thunk = (activity_callback_thunk_t){ NULL, NULL };
- err = mallctl("experimental.thread.activity_callback", &old_thunk, &sz,
- &new_thunk, sizeof(new_thunk));
- assert_d_eq(0, err, "");
-
- expect_true(old_thunk.callback == &activity_test_callback, "");
- expect_true(old_thunk.uctx == &test_data, "");
-
- /* Inserting NULL should have turned off tracking. */
- test_data.obtained_alloc = 333;
- test_data.obtained_dalloc = 444;
- ptr = mallocx(big_size, 0);
- free(ptr);
- expect_u64_eq(333, test_data.obtained_alloc, "");
- expect_u64_eq(444, test_data.obtained_dalloc, "");
-}
-TEST_END
-
-int
-main(void) {
- return test(
- test_mallctl_errors,
- test_mallctlnametomib_errors,
- test_mallctlbymib_errors,
- test_mallctl_read_write,
- test_mallctlnametomib_short_mib,
- test_mallctlnametomib_short_name,
- test_mallctlmibnametomib,
- test_mallctlbymibname,
- test_mallctl_config,
- test_mallctl_opt,
- test_manpage_example,
- test_tcache_none,
- test_tcache,
- test_thread_arena,
- test_arena_i_initialized,
- test_arena_i_dirty_decay_ms,
- test_arena_i_muzzy_decay_ms,
- test_arena_i_purge,
- test_arena_i_decay,
- test_arena_i_dss,
- test_arena_i_retain_grow_limit,
- test_arenas_dirty_decay_ms,
- test_arenas_muzzy_decay_ms,
- test_arenas_constants,
- test_arenas_bin_constants,
- test_arenas_lextent_constants,
- test_arenas_create,
- test_arenas_lookup,
- test_prof_active,
- test_stats_arenas,
- test_hooks,
- test_hooks_exhaustion,
- test_thread_idle,
- test_thread_peak,
- test_thread_activity_callback);
-}