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authorwolfbeast <mcwerewolf@gmail.com>2018-04-27 19:16:45 +0200
committerwolfbeast <mcwerewolf@gmail.com>2018-04-27 19:16:45 +0200
commit43034a36e132ac4394e26cbfb4d855bd6f5114b3 (patch)
treeaee5502c6b17283b80ff2bf0706f97622df5d355 /memory/jemalloc/src/test/unit/decay.c
parent077c63084488ac38c1c44e8cdaa9c33086f0a649 (diff)
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Remove jemalloc 4 from our tree.
Diffstat (limited to 'memory/jemalloc/src/test/unit/decay.c')
-rw-r--r--memory/jemalloc/src/test/unit/decay.c374
1 files changed, 0 insertions, 374 deletions
diff --git a/memory/jemalloc/src/test/unit/decay.c b/memory/jemalloc/src/test/unit/decay.c
deleted file mode 100644
index e169ae24e..000000000
--- a/memory/jemalloc/src/test/unit/decay.c
+++ /dev/null
@@ -1,374 +0,0 @@
-#include "test/jemalloc_test.h"
-
-const char *malloc_conf = "purge:decay,decay_time:1";
-
-static nstime_monotonic_t *nstime_monotonic_orig;
-static nstime_update_t *nstime_update_orig;
-
-static unsigned nupdates_mock;
-static nstime_t time_mock;
-static bool monotonic_mock;
-
-static bool
-nstime_monotonic_mock(void)
-{
-
- return (monotonic_mock);
-}
-
-static bool
-nstime_update_mock(nstime_t *time)
-{
-
- nupdates_mock++;
- if (monotonic_mock)
- nstime_copy(time, &time_mock);
- return (!monotonic_mock);
-}
-
-TEST_BEGIN(test_decay_ticks)
-{
- ticker_t *decay_ticker;
- unsigned tick0, tick1;
- size_t sz, huge0, large0;
- void *p;
-
- test_skip_if(opt_purge != purge_mode_decay);
-
- decay_ticker = decay_ticker_get(tsd_fetch(), 0);
- assert_ptr_not_null(decay_ticker,
- "Unexpected failure getting decay ticker");
-
- sz = sizeof(size_t);
- assert_d_eq(mallctl("arenas.hchunk.0.size", &huge0, &sz, NULL, 0), 0,
- "Unexpected mallctl failure");
- assert_d_eq(mallctl("arenas.lrun.0.size", &large0, &sz, NULL, 0), 0,
- "Unexpected mallctl failure");
-
- /*
- * Test the standard APIs using a huge size class, since we can't
- * control tcache interactions (except by completely disabling tcache
- * for the entire test program).
- */
-
- /* malloc(). */
- tick0 = ticker_read(decay_ticker);
- p = malloc(huge0);
- assert_ptr_not_null(p, "Unexpected malloc() failure");
- tick1 = ticker_read(decay_ticker);
- assert_u32_ne(tick1, tick0, "Expected ticker to tick during malloc()");
- /* free(). */
- tick0 = ticker_read(decay_ticker);
- free(p);
- tick1 = ticker_read(decay_ticker);
- assert_u32_ne(tick1, tick0, "Expected ticker to tick during free()");
-
- /* calloc(). */
- tick0 = ticker_read(decay_ticker);
- p = calloc(1, huge0);
- assert_ptr_not_null(p, "Unexpected calloc() failure");
- tick1 = ticker_read(decay_ticker);
- assert_u32_ne(tick1, tick0, "Expected ticker to tick during calloc()");
- free(p);
-
- /* posix_memalign(). */
- tick0 = ticker_read(decay_ticker);
- assert_d_eq(posix_memalign(&p, sizeof(size_t), huge0), 0,
- "Unexpected posix_memalign() failure");
- tick1 = ticker_read(decay_ticker);
- assert_u32_ne(tick1, tick0,
- "Expected ticker to tick during posix_memalign()");
- free(p);
-
- /* aligned_alloc(). */
- tick0 = ticker_read(decay_ticker);
- p = aligned_alloc(sizeof(size_t), huge0);
- assert_ptr_not_null(p, "Unexpected aligned_alloc() failure");
- tick1 = ticker_read(decay_ticker);
- assert_u32_ne(tick1, tick0,
- "Expected ticker to tick during aligned_alloc()");
- free(p);
-
- /* realloc(). */
- /* Allocate. */
- tick0 = ticker_read(decay_ticker);
- p = realloc(NULL, huge0);
- assert_ptr_not_null(p, "Unexpected realloc() failure");
- tick1 = ticker_read(decay_ticker);
- assert_u32_ne(tick1, tick0, "Expected ticker to tick during realloc()");
- /* Reallocate. */
- tick0 = ticker_read(decay_ticker);
- p = realloc(p, huge0);
- assert_ptr_not_null(p, "Unexpected realloc() failure");
- tick1 = ticker_read(decay_ticker);
- assert_u32_ne(tick1, tick0, "Expected ticker to tick during realloc()");
- /* Deallocate. */
- tick0 = ticker_read(decay_ticker);
- realloc(p, 0);
- tick1 = ticker_read(decay_ticker);
- assert_u32_ne(tick1, tick0, "Expected ticker to tick during realloc()");
-
- /*
- * Test the *allocx() APIs using huge, large, and small size classes,
- * with tcache explicitly disabled.
- */
- {
- unsigned i;
- size_t allocx_sizes[3];
- allocx_sizes[0] = huge0;
- allocx_sizes[1] = large0;
- allocx_sizes[2] = 1;
-
- for (i = 0; i < sizeof(allocx_sizes) / sizeof(size_t); i++) {
- sz = allocx_sizes[i];
-
- /* mallocx(). */
- tick0 = ticker_read(decay_ticker);
- p = mallocx(sz, MALLOCX_TCACHE_NONE);
- assert_ptr_not_null(p, "Unexpected mallocx() failure");
- tick1 = ticker_read(decay_ticker);
- assert_u32_ne(tick1, tick0,
- "Expected ticker to tick during mallocx() (sz=%zu)",
- sz);
- /* rallocx(). */
- tick0 = ticker_read(decay_ticker);
- p = rallocx(p, sz, MALLOCX_TCACHE_NONE);
- assert_ptr_not_null(p, "Unexpected rallocx() failure");
- tick1 = ticker_read(decay_ticker);
- assert_u32_ne(tick1, tick0,
- "Expected ticker to tick during rallocx() (sz=%zu)",
- sz);
- /* xallocx(). */
- tick0 = ticker_read(decay_ticker);
- xallocx(p, sz, 0, MALLOCX_TCACHE_NONE);
- tick1 = ticker_read(decay_ticker);
- assert_u32_ne(tick1, tick0,
- "Expected ticker to tick during xallocx() (sz=%zu)",
- sz);
- /* dallocx(). */
- tick0 = ticker_read(decay_ticker);
- dallocx(p, MALLOCX_TCACHE_NONE);
- tick1 = ticker_read(decay_ticker);
- assert_u32_ne(tick1, tick0,
- "Expected ticker to tick during dallocx() (sz=%zu)",
- sz);
- /* sdallocx(). */
- p = mallocx(sz, MALLOCX_TCACHE_NONE);
- assert_ptr_not_null(p, "Unexpected mallocx() failure");
- tick0 = ticker_read(decay_ticker);
- sdallocx(p, sz, MALLOCX_TCACHE_NONE);
- tick1 = ticker_read(decay_ticker);
- assert_u32_ne(tick1, tick0,
- "Expected ticker to tick during sdallocx() "
- "(sz=%zu)", sz);
- }
- }
-
- /*
- * Test tcache fill/flush interactions for large and small size classes,
- * using an explicit tcache.
- */
- if (config_tcache) {
- unsigned tcache_ind, i;
- size_t tcache_sizes[2];
- tcache_sizes[0] = large0;
- tcache_sizes[1] = 1;
-
- sz = sizeof(unsigned);
- assert_d_eq(mallctl("tcache.create", &tcache_ind, &sz, NULL, 0),
- 0, "Unexpected mallctl failure");
-
- for (i = 0; i < sizeof(tcache_sizes) / sizeof(size_t); i++) {
- sz = tcache_sizes[i];
-
- /* tcache fill. */
- tick0 = ticker_read(decay_ticker);
- p = mallocx(sz, MALLOCX_TCACHE(tcache_ind));
- assert_ptr_not_null(p, "Unexpected mallocx() failure");
- tick1 = ticker_read(decay_ticker);
- assert_u32_ne(tick1, tick0,
- "Expected ticker to tick during tcache fill "
- "(sz=%zu)", sz);
- /* tcache flush. */
- dallocx(p, MALLOCX_TCACHE(tcache_ind));
- tick0 = ticker_read(decay_ticker);
- assert_d_eq(mallctl("tcache.flush", NULL, NULL,
- &tcache_ind, sizeof(unsigned)), 0,
- "Unexpected mallctl failure");
- tick1 = ticker_read(decay_ticker);
- assert_u32_ne(tick1, tick0,
- "Expected ticker to tick during tcache flush "
- "(sz=%zu)", sz);
- }
- }
-}
-TEST_END
-
-TEST_BEGIN(test_decay_ticker)
-{
-#define NPS 1024
- int flags = (MALLOCX_ARENA(0) | MALLOCX_TCACHE_NONE);
- void *ps[NPS];
- uint64_t epoch;
- uint64_t npurge0 = 0;
- uint64_t npurge1 = 0;
- size_t sz, large;
- unsigned i, nupdates0;
- nstime_t time, decay_time, deadline;
-
- test_skip_if(opt_purge != purge_mode_decay);
-
- /*
- * Allocate a bunch of large objects, pause the clock, deallocate the
- * objects, restore the clock, then [md]allocx() in a tight loop to
- * verify the ticker triggers purging.
- */
-
- if (config_tcache) {
- size_t tcache_max;
-
- sz = sizeof(size_t);
- assert_d_eq(mallctl("arenas.tcache_max", &tcache_max, &sz, NULL,
- 0), 0, "Unexpected mallctl failure");
- large = nallocx(tcache_max + 1, flags);
- } else {
- sz = sizeof(size_t);
- assert_d_eq(mallctl("arenas.lrun.0.size", &large, &sz, NULL, 0),
- 0, "Unexpected mallctl failure");
- }
-
- assert_d_eq(mallctl("arena.0.purge", NULL, NULL, NULL, 0), 0,
- "Unexpected mallctl failure");
- assert_d_eq(mallctl("epoch", NULL, NULL, &epoch, sizeof(uint64_t)), 0,
- "Unexpected mallctl failure");
- sz = sizeof(uint64_t);
- assert_d_eq(mallctl("stats.arenas.0.npurge", &npurge0, &sz, NULL, 0),
- config_stats ? 0 : ENOENT, "Unexpected mallctl result");
-
- for (i = 0; i < NPS; i++) {
- ps[i] = mallocx(large, flags);
- assert_ptr_not_null(ps[i], "Unexpected mallocx() failure");
- }
-
- nupdates_mock = 0;
- nstime_init(&time_mock, 0);
- nstime_update(&time_mock);
- monotonic_mock = true;
-
- nstime_monotonic_orig = nstime_monotonic;
- nstime_update_orig = nstime_update;
- nstime_monotonic = nstime_monotonic_mock;
- nstime_update = nstime_update_mock;
-
- for (i = 0; i < NPS; i++) {
- dallocx(ps[i], flags);
- nupdates0 = nupdates_mock;
- assert_d_eq(mallctl("arena.0.decay", NULL, NULL, NULL, 0), 0,
- "Unexpected arena.0.decay failure");
- assert_u_gt(nupdates_mock, nupdates0,
- "Expected nstime_update() to be called");
- }
-
- nstime_monotonic = nstime_monotonic_orig;
- nstime_update = nstime_update_orig;
-
- nstime_init(&time, 0);
- nstime_update(&time);
- nstime_init2(&decay_time, opt_decay_time, 0);
- nstime_copy(&deadline, &time);
- nstime_add(&deadline, &decay_time);
- do {
- for (i = 0; i < DECAY_NTICKS_PER_UPDATE / 2; i++) {
- void *p = mallocx(1, flags);
- assert_ptr_not_null(p, "Unexpected mallocx() failure");
- dallocx(p, flags);
- }
- assert_d_eq(mallctl("epoch", NULL, NULL, &epoch,
- sizeof(uint64_t)), 0, "Unexpected mallctl failure");
- sz = sizeof(uint64_t);
- assert_d_eq(mallctl("stats.arenas.0.npurge", &npurge1, &sz,
- NULL, 0), config_stats ? 0 : ENOENT,
- "Unexpected mallctl result");
-
- nstime_update(&time);
- } while (nstime_compare(&time, &deadline) <= 0 && npurge1 == npurge0);
-
- if (config_stats)
- assert_u64_gt(npurge1, npurge0, "Expected purging to occur");
-#undef NPS
-}
-TEST_END
-
-TEST_BEGIN(test_decay_nonmonotonic)
-{
-#define NPS (SMOOTHSTEP_NSTEPS + 1)
- int flags = (MALLOCX_ARENA(0) | MALLOCX_TCACHE_NONE);
- void *ps[NPS];
- uint64_t epoch;
- uint64_t npurge0 = 0;
- uint64_t npurge1 = 0;
- size_t sz, large0;
- unsigned i, nupdates0;
-
- test_skip_if(opt_purge != purge_mode_decay);
-
- sz = sizeof(size_t);
- assert_d_eq(mallctl("arenas.lrun.0.size", &large0, &sz, NULL, 0), 0,
- "Unexpected mallctl failure");
-
- assert_d_eq(mallctl("arena.0.purge", NULL, NULL, NULL, 0), 0,
- "Unexpected mallctl failure");
- assert_d_eq(mallctl("epoch", NULL, NULL, &epoch, sizeof(uint64_t)), 0,
- "Unexpected mallctl failure");
- sz = sizeof(uint64_t);
- assert_d_eq(mallctl("stats.arenas.0.npurge", &npurge0, &sz, NULL, 0),
- config_stats ? 0 : ENOENT, "Unexpected mallctl result");
-
- nupdates_mock = 0;
- nstime_init(&time_mock, 0);
- nstime_update(&time_mock);
- monotonic_mock = false;
-
- nstime_monotonic_orig = nstime_monotonic;
- nstime_update_orig = nstime_update;
- nstime_monotonic = nstime_monotonic_mock;
- nstime_update = nstime_update_mock;
-
- for (i = 0; i < NPS; i++) {
- ps[i] = mallocx(large0, flags);
- assert_ptr_not_null(ps[i], "Unexpected mallocx() failure");
- }
-
- for (i = 0; i < NPS; i++) {
- dallocx(ps[i], flags);
- nupdates0 = nupdates_mock;
- assert_d_eq(mallctl("arena.0.decay", NULL, NULL, NULL, 0), 0,
- "Unexpected arena.0.decay failure");
- assert_u_gt(nupdates_mock, nupdates0,
- "Expected nstime_update() to be called");
- }
-
- assert_d_eq(mallctl("epoch", NULL, NULL, &epoch, sizeof(uint64_t)), 0,
- "Unexpected mallctl failure");
- sz = sizeof(uint64_t);
- assert_d_eq(mallctl("stats.arenas.0.npurge", &npurge1, &sz, NULL, 0),
- config_stats ? 0 : ENOENT, "Unexpected mallctl result");
-
- if (config_stats)
- assert_u64_eq(npurge0, npurge1, "Unexpected purging occurred");
-
- nstime_monotonic = nstime_monotonic_orig;
- nstime_update = nstime_update_orig;
-#undef NPS
-}
-TEST_END
-
-int
-main(void)
-{
-
- return (test(
- test_decay_ticks,
- test_decay_ticker,
- test_decay_nonmonotonic));
-}