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Diffstat (limited to 'examples/redis-unstable/deps/jemalloc/test/unit/prof_reset.c')
-rw-r--r--examples/redis-unstable/deps/jemalloc/test/unit/prof_reset.c266
1 files changed, 0 insertions, 266 deletions
diff --git a/examples/redis-unstable/deps/jemalloc/test/unit/prof_reset.c b/examples/redis-unstable/deps/jemalloc/test/unit/prof_reset.c
deleted file mode 100644
index 9b33b20..0000000
--- a/examples/redis-unstable/deps/jemalloc/test/unit/prof_reset.c
+++ /dev/null
@@ -1,266 +0,0 @@
-#include "test/jemalloc_test.h"
-
-#include "jemalloc/internal/prof_data.h"
-#include "jemalloc/internal/prof_sys.h"
-
-static int
-prof_dump_open_file_intercept(const char *filename, int mode) {
- int fd;
-
- fd = open("/dev/null", O_WRONLY);
- assert_d_ne(fd, -1, "Unexpected open() failure");
-
- return fd;
-}
-
-static void
-set_prof_active(bool active) {
- expect_d_eq(mallctl("prof.active", NULL, NULL, (void *)&active,
- sizeof(active)), 0, "Unexpected mallctl failure");
-}
-
-static size_t
-get_lg_prof_sample(void) {
- size_t ret;
- size_t sz = sizeof(size_t);
-
- expect_d_eq(mallctl("prof.lg_sample", (void *)&ret, &sz, NULL, 0), 0,
- "Unexpected mallctl failure while reading profiling sample rate");
- return ret;
-}
-
-static void
-do_prof_reset(size_t lg_prof_sample_input) {
- expect_d_eq(mallctl("prof.reset", NULL, NULL,
- (void *)&lg_prof_sample_input, sizeof(size_t)), 0,
- "Unexpected mallctl failure while resetting profile data");
- expect_zu_eq(lg_prof_sample_input, get_lg_prof_sample(),
- "Expected profile sample rate change");
-}
-
-TEST_BEGIN(test_prof_reset_basic) {
- size_t lg_prof_sample_orig, lg_prof_sample_cur, lg_prof_sample_next;
- size_t sz;
- unsigned i;
-
- test_skip_if(!config_prof);
-
- sz = sizeof(size_t);
- expect_d_eq(mallctl("opt.lg_prof_sample", (void *)&lg_prof_sample_orig,
- &sz, NULL, 0), 0,
- "Unexpected mallctl failure while reading profiling sample rate");
- expect_zu_eq(lg_prof_sample_orig, 0,
- "Unexpected profiling sample rate");
- lg_prof_sample_cur = get_lg_prof_sample();
- expect_zu_eq(lg_prof_sample_orig, lg_prof_sample_cur,
- "Unexpected disagreement between \"opt.lg_prof_sample\" and "
- "\"prof.lg_sample\"");
-
- /* Test simple resets. */
- for (i = 0; i < 2; i++) {
- expect_d_eq(mallctl("prof.reset", NULL, NULL, NULL, 0), 0,
- "Unexpected mallctl failure while resetting profile data");
- lg_prof_sample_cur = get_lg_prof_sample();
- expect_zu_eq(lg_prof_sample_orig, lg_prof_sample_cur,
- "Unexpected profile sample rate change");
- }
-
- /* Test resets with prof.lg_sample changes. */
- lg_prof_sample_next = 1;
- for (i = 0; i < 2; i++) {
- do_prof_reset(lg_prof_sample_next);
- lg_prof_sample_cur = get_lg_prof_sample();
- expect_zu_eq(lg_prof_sample_cur, lg_prof_sample_next,
- "Expected profile sample rate change");
- lg_prof_sample_next = lg_prof_sample_orig;
- }
-
- /* Make sure the test code restored prof.lg_sample. */
- lg_prof_sample_cur = get_lg_prof_sample();
- expect_zu_eq(lg_prof_sample_orig, lg_prof_sample_cur,
- "Unexpected disagreement between \"opt.lg_prof_sample\" and "
- "\"prof.lg_sample\"");
-}
-TEST_END
-
-TEST_BEGIN(test_prof_reset_cleanup) {
- test_skip_if(!config_prof);
-
- set_prof_active(true);
-
- expect_zu_eq(prof_bt_count(), 0, "Expected 0 backtraces");
- void *p = mallocx(1, 0);
- expect_ptr_not_null(p, "Unexpected mallocx() failure");
- expect_zu_eq(prof_bt_count(), 1, "Expected 1 backtrace");
-
- prof_cnt_t cnt_all;
- prof_cnt_all(&cnt_all);
- expect_u64_eq(cnt_all.curobjs, 1, "Expected 1 allocation");
-
- expect_d_eq(mallctl("prof.reset", NULL, NULL, NULL, 0), 0,
- "Unexpected error while resetting heap profile data");
- prof_cnt_all(&cnt_all);
- expect_u64_eq(cnt_all.curobjs, 0, "Expected 0 allocations");
- expect_zu_eq(prof_bt_count(), 1, "Expected 1 backtrace");
-
- dallocx(p, 0);
- expect_zu_eq(prof_bt_count(), 0, "Expected 0 backtraces");
-
- set_prof_active(false);
-}
-TEST_END
-
-#define NTHREADS 4
-#define NALLOCS_PER_THREAD (1U << 13)
-#define OBJ_RING_BUF_COUNT 1531
-#define RESET_INTERVAL (1U << 10)
-#define DUMP_INTERVAL 3677
-static void *
-thd_start(void *varg) {
- unsigned thd_ind = *(unsigned *)varg;
- unsigned i;
- void *objs[OBJ_RING_BUF_COUNT];
-
- memset(objs, 0, sizeof(objs));
-
- for (i = 0; i < NALLOCS_PER_THREAD; i++) {
- if (i % RESET_INTERVAL == 0) {
- expect_d_eq(mallctl("prof.reset", NULL, NULL, NULL, 0),
- 0, "Unexpected error while resetting heap profile "
- "data");
- }
-
- if (i % DUMP_INTERVAL == 0) {
- expect_d_eq(mallctl("prof.dump", NULL, NULL, NULL, 0),
- 0, "Unexpected error while dumping heap profile");
- }
-
- {
- void **pp = &objs[i % OBJ_RING_BUF_COUNT];
- if (*pp != NULL) {
- dallocx(*pp, 0);
- *pp = NULL;
- }
- *pp = btalloc(1, thd_ind*NALLOCS_PER_THREAD + i);
- expect_ptr_not_null(*pp,
- "Unexpected btalloc() failure");
- }
- }
-
- /* Clean up any remaining objects. */
- for (i = 0; i < OBJ_RING_BUF_COUNT; i++) {
- void **pp = &objs[i % OBJ_RING_BUF_COUNT];
- if (*pp != NULL) {
- dallocx(*pp, 0);
- *pp = NULL;
- }
- }
-
- return NULL;
-}
-
-TEST_BEGIN(test_prof_reset) {
- size_t lg_prof_sample_orig;
- thd_t thds[NTHREADS];
- unsigned thd_args[NTHREADS];
- unsigned i;
- size_t bt_count, tdata_count;
-
- test_skip_if(!config_prof);
-
- bt_count = prof_bt_count();
- expect_zu_eq(bt_count, 0,
- "Unexpected pre-existing tdata structures");
- tdata_count = prof_tdata_count();
-
- lg_prof_sample_orig = get_lg_prof_sample();
- do_prof_reset(5);
-
- set_prof_active(true);
-
- for (i = 0; i < NTHREADS; i++) {
- thd_args[i] = i;
- thd_create(&thds[i], thd_start, (void *)&thd_args[i]);
- }
- for (i = 0; i < NTHREADS; i++) {
- thd_join(thds[i], NULL);
- }
-
- expect_zu_eq(prof_bt_count(), bt_count,
- "Unexpected bactrace count change");
- expect_zu_eq(prof_tdata_count(), tdata_count,
- "Unexpected remaining tdata structures");
-
- set_prof_active(false);
-
- do_prof_reset(lg_prof_sample_orig);
-}
-TEST_END
-#undef NTHREADS
-#undef NALLOCS_PER_THREAD
-#undef OBJ_RING_BUF_COUNT
-#undef RESET_INTERVAL
-#undef DUMP_INTERVAL
-
-/* Test sampling at the same allocation site across resets. */
-#define NITER 10
-TEST_BEGIN(test_xallocx) {
- size_t lg_prof_sample_orig;
- unsigned i;
- void *ptrs[NITER];
-
- test_skip_if(!config_prof);
-
- lg_prof_sample_orig = get_lg_prof_sample();
- set_prof_active(true);
-
- /* Reset profiling. */
- do_prof_reset(0);
-
- for (i = 0; i < NITER; i++) {
- void *p;
- size_t sz, nsz;
-
- /* Reset profiling. */
- do_prof_reset(0);
-
- /* Allocate small object (which will be promoted). */
- p = ptrs[i] = mallocx(1, 0);
- expect_ptr_not_null(p, "Unexpected mallocx() failure");
-
- /* Reset profiling. */
- do_prof_reset(0);
-
- /* Perform successful xallocx(). */
- sz = sallocx(p, 0);
- expect_zu_eq(xallocx(p, sz, 0, 0), sz,
- "Unexpected xallocx() failure");
-
- /* Perform unsuccessful xallocx(). */
- nsz = nallocx(sz+1, 0);
- expect_zu_eq(xallocx(p, nsz, 0, 0), sz,
- "Unexpected xallocx() success");
- }
-
- for (i = 0; i < NITER; i++) {
- /* dallocx. */
- dallocx(ptrs[i], 0);
- }
-
- set_prof_active(false);
- do_prof_reset(lg_prof_sample_orig);
-}
-TEST_END
-#undef NITER
-
-int
-main(void) {
- /* Intercept dumping prior to running any tests. */
- prof_dump_open_file = prof_dump_open_file_intercept;
-
- return test_no_reentrancy(
- test_prof_reset_basic,
- test_prof_reset_cleanup,
- test_prof_reset,
- test_xallocx);
-}
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