1 files changed, 126 insertions, 0 deletions

diff --git a/examples/redis-unstable/deps/jemalloc/test/unit/pa.c b/examples/redis-unstable/deps/jemalloc/test/unit/pa.c
new file mode 100644
index 0000000..b1e2f6e
--- /dev/null
+++ b/examples/redis-unstable/deps/jemalloc/test/unit/pa.c
@@ -0,0 +1,126 @@
+#include "test/jemalloc_test.h"
+
+#include "jemalloc/internal/pa.h"
+
+static void *
+alloc_hook(extent_hooks_t *extent_hooks, void *new_addr, size_t size,
+    size_t alignment, bool *zero, bool *commit, unsigned arena_ind) {
+        void *ret = pages_map(new_addr, size, alignment, commit);
+        return ret;
+}
+
+static bool
+merge_hook(extent_hooks_t *extent_hooks, void *addr_a, size_t size_a,
+    void *addr_b, size_t size_b, bool committed, unsigned arena_ind) {
+        return !maps_coalesce;
+}
+
+static bool
+split_hook(extent_hooks_t *extent_hooks, void *addr, size_t size,
+    size_t size_a, size_t size_b, bool committed, unsigned arena_ind) {
+        return !maps_coalesce;
+}
+
+static void
+init_test_extent_hooks(extent_hooks_t *hooks) {
+        /*
+         * The default hooks are mostly fine for testing.  A few of them,
+         * though, access globals (alloc for dss setting in an arena, split and
+         * merge touch the global emap to find head state.  The first of these
+         * can be fixed by keeping that state with the hooks, where it logically
+         * belongs.  The second, though, we can only fix when we use the extent
+         * hook API.
+         */
+        memcpy(hooks, &ehooks_default_extent_hooks, sizeof(extent_hooks_t));
+        hooks->alloc = &alloc_hook;
+        hooks->merge = &merge_hook;
+        hooks->split = &split_hook;
+}
+
+typedef struct test_data_s test_data_t;
+struct test_data_s {
+        pa_shard_t shard;
+        pa_central_t central;
+        base_t *base;
+        emap_t emap;
+        pa_shard_stats_t stats;
+        malloc_mutex_t stats_mtx;
+        extent_hooks_t hooks;
+};
+
+test_data_t *init_test_data(ssize_t dirty_decay_ms, ssize_t muzzy_decay_ms) {
+        test_data_t *test_data = calloc(1, sizeof(test_data_t));
+        assert_ptr_not_null(test_data, "");
+        init_test_extent_hooks(&test_data->hooks);
+
+        base_t *base = base_new(TSDN_NULL, /* ind */ 1, &test_data->hooks,
+            /* metadata_use_hooks */ true);
+        assert_ptr_not_null(base, "");
+
+        test_data->base = base;
+        bool err = emap_init(&test_data->emap, test_data->base,
+            /* zeroed */ true);
+        assert_false(err, "");
+
+        nstime_t time;
+        nstime_init(&time, 0);
+
+        err = pa_central_init(&test_data->central, base, opt_hpa,
+            &hpa_hooks_default);
+        assert_false(err, "");
+
+        const size_t pa_oversize_threshold = 8 * 1024 * 1024;
+        err = pa_shard_init(TSDN_NULL, &test_data->shard, &test_data->central,
+            &test_data->emap, test_data->base, /* ind */ 1, &test_data->stats,
+            &test_data->stats_mtx, &time, pa_oversize_threshold, dirty_decay_ms,
+            muzzy_decay_ms);
+        assert_false(err, "");
+
+        return test_data;
+}
+
+void destroy_test_data(test_data_t *data) {
+        base_delete(TSDN_NULL, data->base);
+        free(data);
+}
+
+static void *
+do_alloc_free_purge(void *arg) {
+        test_data_t *test_data = (test_data_t *)arg;
+        for (int i = 0; i < 10 * 1000; i++) {
+                bool deferred_work_generated = false;
+                edata_t *edata = pa_alloc(TSDN_NULL, &test_data->shard, PAGE,
+                    PAGE, /* slab */ false, /* szind */ 0, /* zero */ false,
+                    /* guarded */ false, &deferred_work_generated);
+                assert_ptr_not_null(edata, "");
+                pa_dalloc(TSDN_NULL, &test_data->shard, edata,
+                    &deferred_work_generated);
+                malloc_mutex_lock(TSDN_NULL,
+                    &test_data->shard.pac.decay_dirty.mtx);
+                pac_decay_all(TSDN_NULL, &test_data->shard.pac,
+                    &test_data->shard.pac.decay_dirty,
+                    &test_data->shard.pac.stats->decay_dirty,
+                    &test_data->shard.pac.ecache_dirty, true);
+                malloc_mutex_unlock(TSDN_NULL,
+                    &test_data->shard.pac.decay_dirty.mtx);
+        }
+        return NULL;
+}
+
+TEST_BEGIN(test_alloc_free_purge_thds) {
+        test_data_t *test_data = init_test_data(0, 0);
+        thd_t thds[4];
+        for (int i = 0; i < 4; i++) {
+                thd_create(&thds[i], do_alloc_free_purge, test_data);
+        }
+        for (int i = 0; i < 4; i++) {
+                thd_join(thds[i], NULL);
+        }
+}
+TEST_END
+
+int
+main(void) {
+        return test(
+            test_alloc_free_purge_thds);
+}