1 files changed, 0 insertions, 188 deletions
diff --git a/examples/redis-unstable/deps/jemalloc/test/unit/hpa_background_thread.c b/examples/redis-unstable/deps/jemalloc/test/unit/hpa_background_thread.c
deleted file mode 100644
index 81c2561..0000000
--- a/examples/redis-unstable/deps/jemalloc/test/unit/hpa_background_thread.c
+++ /dev/null
@@ -1,188 +0,0 @@
-#include "test/jemalloc_test.h"
-#include "test/sleep.h"
-
-static void
-sleep_for_background_thread_interval() {
-	/*
-	 * The sleep interval set in our .sh file is 50ms.  So it likely will
-	 * run if we sleep for four times that.
-	 */
-	sleep_ns(200 * 1000 * 1000);
-}
-
-static unsigned
-create_arena() {
-	unsigned arena_ind;
-	size_t sz;
-
-	sz = sizeof(unsigned);
-	expect_d_eq(mallctl("arenas.create", (void *)&arena_ind, &sz, NULL, 2),
-	    0, "Unexpected mallctl() failure");
-	return arena_ind;
-}
-
-static size_t
-get_empty_ndirty(unsigned arena_ind) {
-	int err;
-	size_t ndirty_huge;
-	size_t ndirty_nonhuge;
-	uint64_t epoch = 1;
-	size_t sz = sizeof(epoch);
-	err = je_mallctl("epoch", (void *)&epoch, &sz, (void *)&epoch,
-	    sizeof(epoch));
-	expect_d_eq(0, err, "Unexpected mallctl() failure");
-
-	size_t mib[6];
-	size_t miblen = sizeof(mib)/sizeof(mib[0]);
-	err = mallctlnametomib(
-	    "stats.arenas.0.hpa_shard.empty_slabs.ndirty_nonhuge", mib,
-	    &miblen);
-	expect_d_eq(0, err, "Unexpected mallctlnametomib() failure");
-
-	sz = sizeof(ndirty_nonhuge);
-	mib[2] = arena_ind;
-	err = mallctlbymib(mib, miblen, &ndirty_nonhuge, &sz, NULL, 0);
-	expect_d_eq(0, err, "Unexpected mallctlbymib() failure");
-
-	err = mallctlnametomib(
-	    "stats.arenas.0.hpa_shard.empty_slabs.ndirty_huge", mib,
-	    &miblen);
-	expect_d_eq(0, err, "Unexpected mallctlnametomib() failure");
-
-	sz = sizeof(ndirty_huge);
-	mib[2] = arena_ind;
-	err = mallctlbymib(mib, miblen, &ndirty_huge, &sz, NULL, 0);
-	expect_d_eq(0, err, "Unexpected mallctlbymib() failure");
-
-	return ndirty_huge + ndirty_nonhuge;
-}
-
-static void
-set_background_thread_enabled(bool enabled) {
-	int err;
-	err = je_mallctl("background_thread", NULL, NULL, &enabled,
-	    sizeof(enabled));
-	expect_d_eq(0, err, "Unexpected mallctl failure");
-}
-
-static void
-wait_until_thread_is_enabled(unsigned arena_id) {
-	tsd_t* tsd = tsd_fetch();
-
-	bool sleeping = false;
-	int iterations = 0;
-	do {
-		background_thread_info_t *info =
-		    background_thread_info_get(arena_id);
-		malloc_mutex_lock(tsd_tsdn(tsd), &info->mtx);
-		malloc_mutex_unlock(tsd_tsdn(tsd), &info->mtx);
-		sleeping = background_thread_indefinite_sleep(info);
-		assert_d_lt(iterations, UINT64_C(1000000),
-		    "Waiting for a thread to start for too long");
-	} while (!sleeping);
-}
-
-static void
-expect_purging(unsigned arena_ind, bool expect_deferred) {
-	size_t empty_ndirty;
-
-	empty_ndirty = get_empty_ndirty(arena_ind);
-	expect_zu_eq(0, empty_ndirty, "Expected arena to start unused.");
-
-	/*
-	 * It's possible that we get unlucky with our stats collection timing,
-	 * and the background thread runs in between the deallocation and the
-	 * stats collection.  So we retry 10 times, and see if we *ever* see
-	 * deferred reclamation.
-	 */
-	bool observed_dirty_page = false;
-	for (int i = 0; i < 10; i++) {
-		void *ptr = mallocx(PAGE,
-		    MALLOCX_TCACHE_NONE | MALLOCX_ARENA(arena_ind));
-		empty_ndirty = get_empty_ndirty(arena_ind);
-		expect_zu_eq(0, empty_ndirty, "All pages should be active");
-		dallocx(ptr, MALLOCX_TCACHE_NONE);
-		empty_ndirty = get_empty_ndirty(arena_ind);
-		if (expect_deferred) {
-			expect_true(empty_ndirty == 0 || empty_ndirty == 1 ||
-			    opt_prof, "Unexpected extra dirty page count: %zu",
-			    empty_ndirty);
-		} else {
-			assert_zu_eq(0, empty_ndirty,
-			    "Saw dirty pages without deferred purging");
-		}
-		if (empty_ndirty > 0) {
-			observed_dirty_page = true;
-			break;
-		}
-	}
-	expect_b_eq(expect_deferred, observed_dirty_page, "");
-
-	/*
-	 * Under high concurrency / heavy test load (e.g. using run_test.sh),
-	 * the background thread may not get scheduled for a longer period of
-	 * time.  Retry 100 times max before bailing out.
-	 */
-	unsigned retry = 0;
-	while ((empty_ndirty = get_empty_ndirty(arena_ind)) > 0 &&
-	    expect_deferred && (retry++ < 100)) {
-		sleep_for_background_thread_interval();
-	}
-
-	expect_zu_eq(0, empty_ndirty, "Should have seen a background purge");
-}
-
-TEST_BEGIN(test_hpa_background_thread_purges) {
-	test_skip_if(!config_stats);
-	test_skip_if(!hpa_supported());
-	test_skip_if(!have_background_thread);
-	/* Skip since guarded pages cannot be allocated from hpa. */
-	test_skip_if(san_guard_enabled());
-
-	unsigned arena_ind = create_arena();
-	/*
-	 * Our .sh sets dirty mult to 0, so all dirty pages should get purged
-	 * any time any thread frees.
-	 */
-	expect_purging(arena_ind, /* expect_deferred */ true);
-}
-TEST_END
-
-TEST_BEGIN(test_hpa_background_thread_enable_disable) {
-	test_skip_if(!config_stats);
-	test_skip_if(!hpa_supported());
-	test_skip_if(!have_background_thread);
-	/* Skip since guarded pages cannot be allocated from hpa. */
-	test_skip_if(san_guard_enabled());
-
-	unsigned arena_ind = create_arena();
-
-	set_background_thread_enabled(false);
-	expect_purging(arena_ind, false);
-
-	set_background_thread_enabled(true);
-	wait_until_thread_is_enabled(arena_ind);
-	expect_purging(arena_ind, true);
-}
-TEST_END
-
-int
-main(void) {
-	/*
-	 * OK, this is a sort of nasty hack.  We don't want to add *another*
-	 * config option for HPA (the intent is that it becomes available on
-	 * more platforms over time, and we're trying to prune back config
-	 * options generally.  But we'll get initialization errors on other
-	 * platforms if we set hpa:true in the MALLOC_CONF (even if we set
-	 * abort_conf:false as well).  So we reach into the internals and set
-	 * them directly, but only if we know that we're actually going to do
-	 * something nontrivial in the tests.
-	 */
-	if (config_stats && hpa_supported() && have_background_thread) {
-		opt_hpa = true;
-		opt_background_thread = true;
-	}
-	return test_no_reentrancy(
-	    test_hpa_background_thread_purges,
-	    test_hpa_background_thread_enable_disable);
-}