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| author | Mitja Felicijan <mitja.felicijan@gmail.com> | 2026-01-21 22:52:54 +0100 |
|---|---|---|
| committer | Mitja Felicijan <mitja.felicijan@gmail.com> | 2026-01-21 22:52:54 +0100 |
| commit | dcacc00e3750300617ba6e16eb346713f91a783a (patch) | |
| tree | 38e2d4fb5ed9d119711d4295c6eda4b014af73fd /examples/redis-unstable/deps/jemalloc/test/unit/prof_reset.c | |
| parent | 58dac10aeb8f5a041c46bddbeaf4c7966a99b998 (diff) | |
| download | crep-dcacc00e3750300617ba6e16eb346713f91a783a.tar.gz | |
Remove testing data
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.c | 266 |
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 @@ | |||
| 1 | #include "test/jemalloc_test.h" | ||
| 2 | |||
| 3 | #include "jemalloc/internal/prof_data.h" | ||
| 4 | #include "jemalloc/internal/prof_sys.h" | ||
| 5 | |||
| 6 | static int | ||
| 7 | prof_dump_open_file_intercept(const char *filename, int mode) { | ||
| 8 | int fd; | ||
| 9 | |||
| 10 | fd = open("/dev/null", O_WRONLY); | ||
| 11 | assert_d_ne(fd, -1, "Unexpected open() failure"); | ||
| 12 | |||
| 13 | return fd; | ||
| 14 | } | ||
| 15 | |||
| 16 | static void | ||
| 17 | set_prof_active(bool active) { | ||
| 18 | expect_d_eq(mallctl("prof.active", NULL, NULL, (void *)&active, | ||
| 19 | sizeof(active)), 0, "Unexpected mallctl failure"); | ||
| 20 | } | ||
| 21 | |||
| 22 | static size_t | ||
| 23 | get_lg_prof_sample(void) { | ||
| 24 | size_t ret; | ||
| 25 | size_t sz = sizeof(size_t); | ||
| 26 | |||
| 27 | expect_d_eq(mallctl("prof.lg_sample", (void *)&ret, &sz, NULL, 0), 0, | ||
| 28 | "Unexpected mallctl failure while reading profiling sample rate"); | ||
| 29 | return ret; | ||
| 30 | } | ||
| 31 | |||
| 32 | static void | ||
| 33 | do_prof_reset(size_t lg_prof_sample_input) { | ||
| 34 | expect_d_eq(mallctl("prof.reset", NULL, NULL, | ||
| 35 | (void *)&lg_prof_sample_input, sizeof(size_t)), 0, | ||
| 36 | "Unexpected mallctl failure while resetting profile data"); | ||
| 37 | expect_zu_eq(lg_prof_sample_input, get_lg_prof_sample(), | ||
| 38 | "Expected profile sample rate change"); | ||
| 39 | } | ||
| 40 | |||
| 41 | TEST_BEGIN(test_prof_reset_basic) { | ||
| 42 | size_t lg_prof_sample_orig, lg_prof_sample_cur, lg_prof_sample_next; | ||
| 43 | size_t sz; | ||
| 44 | unsigned i; | ||
| 45 | |||
| 46 | test_skip_if(!config_prof); | ||
| 47 | |||
| 48 | sz = sizeof(size_t); | ||
| 49 | expect_d_eq(mallctl("opt.lg_prof_sample", (void *)&lg_prof_sample_orig, | ||
| 50 | &sz, NULL, 0), 0, | ||
| 51 | "Unexpected mallctl failure while reading profiling sample rate"); | ||
| 52 | expect_zu_eq(lg_prof_sample_orig, 0, | ||
| 53 | "Unexpected profiling sample rate"); | ||
| 54 | lg_prof_sample_cur = get_lg_prof_sample(); | ||
| 55 | expect_zu_eq(lg_prof_sample_orig, lg_prof_sample_cur, | ||
| 56 | "Unexpected disagreement between \"opt.lg_prof_sample\" and " | ||
| 57 | "\"prof.lg_sample\""); | ||
| 58 | |||
| 59 | /* Test simple resets. */ | ||
| 60 | for (i = 0; i < 2; i++) { | ||
| 61 | expect_d_eq(mallctl("prof.reset", NULL, NULL, NULL, 0), 0, | ||
| 62 | "Unexpected mallctl failure while resetting profile data"); | ||
| 63 | lg_prof_sample_cur = get_lg_prof_sample(); | ||
| 64 | expect_zu_eq(lg_prof_sample_orig, lg_prof_sample_cur, | ||
| 65 | "Unexpected profile sample rate change"); | ||
| 66 | } | ||
| 67 | |||
| 68 | /* Test resets with prof.lg_sample changes. */ | ||
| 69 | lg_prof_sample_next = 1; | ||
| 70 | for (i = 0; i < 2; i++) { | ||
| 71 | do_prof_reset(lg_prof_sample_next); | ||
| 72 | lg_prof_sample_cur = get_lg_prof_sample(); | ||
| 73 | expect_zu_eq(lg_prof_sample_cur, lg_prof_sample_next, | ||
| 74 | "Expected profile sample rate change"); | ||
| 75 | lg_prof_sample_next = lg_prof_sample_orig; | ||
| 76 | } | ||
| 77 | |||
| 78 | /* Make sure the test code restored prof.lg_sample. */ | ||
| 79 | lg_prof_sample_cur = get_lg_prof_sample(); | ||
| 80 | expect_zu_eq(lg_prof_sample_orig, lg_prof_sample_cur, | ||
| 81 | "Unexpected disagreement between \"opt.lg_prof_sample\" and " | ||
| 82 | "\"prof.lg_sample\""); | ||
| 83 | } | ||
| 84 | TEST_END | ||
| 85 | |||
| 86 | TEST_BEGIN(test_prof_reset_cleanup) { | ||
| 87 | test_skip_if(!config_prof); | ||
| 88 | |||
| 89 | set_prof_active(true); | ||
| 90 | |||
| 91 | expect_zu_eq(prof_bt_count(), 0, "Expected 0 backtraces"); | ||
| 92 | void *p = mallocx(1, 0); | ||
| 93 | expect_ptr_not_null(p, "Unexpected mallocx() failure"); | ||
| 94 | expect_zu_eq(prof_bt_count(), 1, "Expected 1 backtrace"); | ||
| 95 | |||
| 96 | prof_cnt_t cnt_all; | ||
| 97 | prof_cnt_all(&cnt_all); | ||
| 98 | expect_u64_eq(cnt_all.curobjs, 1, "Expected 1 allocation"); | ||
| 99 | |||
| 100 | expect_d_eq(mallctl("prof.reset", NULL, NULL, NULL, 0), 0, | ||
| 101 | "Unexpected error while resetting heap profile data"); | ||
| 102 | prof_cnt_all(&cnt_all); | ||
| 103 | expect_u64_eq(cnt_all.curobjs, 0, "Expected 0 allocations"); | ||
| 104 | expect_zu_eq(prof_bt_count(), 1, "Expected 1 backtrace"); | ||
| 105 | |||
| 106 | dallocx(p, 0); | ||
| 107 | expect_zu_eq(prof_bt_count(), 0, "Expected 0 backtraces"); | ||
| 108 | |||
| 109 | set_prof_active(false); | ||
| 110 | } | ||
| 111 | TEST_END | ||
| 112 | |||
| 113 | #define NTHREADS 4 | ||
| 114 | #define NALLOCS_PER_THREAD (1U << 13) | ||
| 115 | #define OBJ_RING_BUF_COUNT 1531 | ||
| 116 | #define RESET_INTERVAL (1U << 10) | ||
| 117 | #define DUMP_INTERVAL 3677 | ||
| 118 | static void * | ||
| 119 | thd_start(void *varg) { | ||
| 120 | unsigned thd_ind = *(unsigned *)varg; | ||
| 121 | unsigned i; | ||
| 122 | void *objs[OBJ_RING_BUF_COUNT]; | ||
| 123 | |||
| 124 | memset(objs, 0, sizeof(objs)); | ||
| 125 | |||
| 126 | for (i = 0; i < NALLOCS_PER_THREAD; i++) { | ||
| 127 | if (i % RESET_INTERVAL == 0) { | ||
| 128 | expect_d_eq(mallctl("prof.reset", NULL, NULL, NULL, 0), | ||
| 129 | 0, "Unexpected error while resetting heap profile " | ||
| 130 | "data"); | ||
| 131 | } | ||
| 132 | |||
| 133 | if (i % DUMP_INTERVAL == 0) { | ||
| 134 | expect_d_eq(mallctl("prof.dump", NULL, NULL, NULL, 0), | ||
| 135 | 0, "Unexpected error while dumping heap profile"); | ||
| 136 | } | ||
| 137 | |||
| 138 | { | ||
| 139 | void **pp = &objs[i % OBJ_RING_BUF_COUNT]; | ||
| 140 | if (*pp != NULL) { | ||
| 141 | dallocx(*pp, 0); | ||
| 142 | *pp = NULL; | ||
| 143 | } | ||
| 144 | *pp = btalloc(1, thd_ind*NALLOCS_PER_THREAD + i); | ||
| 145 | expect_ptr_not_null(*pp, | ||
| 146 | "Unexpected btalloc() failure"); | ||
| 147 | } | ||
| 148 | } | ||
| 149 | |||
| 150 | /* Clean up any remaining objects. */ | ||
| 151 | for (i = 0; i < OBJ_RING_BUF_COUNT; i++) { | ||
| 152 | void **pp = &objs[i % OBJ_RING_BUF_COUNT]; | ||
| 153 | if (*pp != NULL) { | ||
| 154 | dallocx(*pp, 0); | ||
| 155 | *pp = NULL; | ||
| 156 | } | ||
| 157 | } | ||
| 158 | |||
| 159 | return NULL; | ||
| 160 | } | ||
| 161 | |||
| 162 | TEST_BEGIN(test_prof_reset) { | ||
| 163 | size_t lg_prof_sample_orig; | ||
| 164 | thd_t thds[NTHREADS]; | ||
| 165 | unsigned thd_args[NTHREADS]; | ||
| 166 | unsigned i; | ||
| 167 | size_t bt_count, tdata_count; | ||
| 168 | |||
| 169 | test_skip_if(!config_prof); | ||
| 170 | |||
| 171 | bt_count = prof_bt_count(); | ||
| 172 | expect_zu_eq(bt_count, 0, | ||
| 173 | "Unexpected pre-existing tdata structures"); | ||
| 174 | tdata_count = prof_tdata_count(); | ||
| 175 | |||
| 176 | lg_prof_sample_orig = get_lg_prof_sample(); | ||
| 177 | do_prof_reset(5); | ||
| 178 | |||
| 179 | set_prof_active(true); | ||
| 180 | |||
| 181 | for (i = 0; i < NTHREADS; i++) { | ||
| 182 | thd_args[i] = i; | ||
| 183 | thd_create(&thds[i], thd_start, (void *)&thd_args[i]); | ||
| 184 | } | ||
| 185 | for (i = 0; i < NTHREADS; i++) { | ||
| 186 | thd_join(thds[i], NULL); | ||
| 187 | } | ||
| 188 | |||
| 189 | expect_zu_eq(prof_bt_count(), bt_count, | ||
| 190 | "Unexpected bactrace count change"); | ||
| 191 | expect_zu_eq(prof_tdata_count(), tdata_count, | ||
| 192 | "Unexpected remaining tdata structures"); | ||
| 193 | |||
| 194 | set_prof_active(false); | ||
| 195 | |||
| 196 | do_prof_reset(lg_prof_sample_orig); | ||
| 197 | } | ||
| 198 | TEST_END | ||
| 199 | #undef NTHREADS | ||
| 200 | #undef NALLOCS_PER_THREAD | ||
| 201 | #undef OBJ_RING_BUF_COUNT | ||
| 202 | #undef RESET_INTERVAL | ||
| 203 | #undef DUMP_INTERVAL | ||
| 204 | |||
| 205 | /* Test sampling at the same allocation site across resets. */ | ||
| 206 | #define NITER 10 | ||
| 207 | TEST_BEGIN(test_xallocx) { | ||
| 208 | size_t lg_prof_sample_orig; | ||
| 209 | unsigned i; | ||
| 210 | void *ptrs[NITER]; | ||
| 211 | |||
| 212 | test_skip_if(!config_prof); | ||
| 213 | |||
| 214 | lg_prof_sample_orig = get_lg_prof_sample(); | ||
| 215 | set_prof_active(true); | ||
| 216 | |||
| 217 | /* Reset profiling. */ | ||
| 218 | do_prof_reset(0); | ||
| 219 | |||
| 220 | for (i = 0; i < NITER; i++) { | ||
| 221 | void *p; | ||
| 222 | size_t sz, nsz; | ||
| 223 | |||
| 224 | /* Reset profiling. */ | ||
| 225 | do_prof_reset(0); | ||
| 226 | |||
| 227 | /* Allocate small object (which will be promoted). */ | ||
| 228 | p = ptrs[i] = mallocx(1, 0); | ||
| 229 | expect_ptr_not_null(p, "Unexpected mallocx() failure"); | ||
| 230 | |||
| 231 | /* Reset profiling. */ | ||
| 232 | do_prof_reset(0); | ||
| 233 | |||
| 234 | /* Perform successful xallocx(). */ | ||
| 235 | sz = sallocx(p, 0); | ||
| 236 | expect_zu_eq(xallocx(p, sz, 0, 0), sz, | ||
| 237 | "Unexpected xallocx() failure"); | ||
| 238 | |||
| 239 | /* Perform unsuccessful xallocx(). */ | ||
| 240 | nsz = nallocx(sz+1, 0); | ||
| 241 | expect_zu_eq(xallocx(p, nsz, 0, 0), sz, | ||
| 242 | "Unexpected xallocx() success"); | ||
| 243 | } | ||
| 244 | |||
| 245 | for (i = 0; i < NITER; i++) { | ||
| 246 | /* dallocx. */ | ||
| 247 | dallocx(ptrs[i], 0); | ||
| 248 | } | ||
| 249 | |||
| 250 | set_prof_active(false); | ||
| 251 | do_prof_reset(lg_prof_sample_orig); | ||
| 252 | } | ||
| 253 | TEST_END | ||
| 254 | #undef NITER | ||
| 255 | |||
| 256 | int | ||
| 257 | main(void) { | ||
| 258 | /* Intercept dumping prior to running any tests. */ | ||
| 259 | prof_dump_open_file = prof_dump_open_file_intercept; | ||
| 260 | |||
| 261 | return test_no_reentrancy( | ||
| 262 | test_prof_reset_basic, | ||
| 263 | test_prof_reset_cleanup, | ||
| 264 | test_prof_reset, | ||
| 265 | test_xallocx); | ||
| 266 | } | ||
