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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-03-09 13:19:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-03-09 13:20:02 +0000
commit58daab21cd043e1dc37024a7f99b396788372918 (patch)
tree96771e43bb69f7c1c2b0b4f7374cb74d7866d0cb /fluent-bit/lib/jemalloc-5.3.0/test/unit/huge.c
parentReleasing debian version 1.43.2-1. (diff)
downloadnetdata-58daab21cd043e1dc37024a7f99b396788372918.tar.xz
netdata-58daab21cd043e1dc37024a7f99b396788372918.zip
Merging upstream version 1.44.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fluent-bit/lib/jemalloc-5.3.0/test/unit/huge.c')
-rw-r--r--fluent-bit/lib/jemalloc-5.3.0/test/unit/huge.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/fluent-bit/lib/jemalloc-5.3.0/test/unit/huge.c b/fluent-bit/lib/jemalloc-5.3.0/test/unit/huge.c
new file mode 100644
index 000000000..ec64e5002
--- /dev/null
+++ b/fluent-bit/lib/jemalloc-5.3.0/test/unit/huge.c
@@ -0,0 +1,108 @@
+#include "test/jemalloc_test.h"
+
+/* Threshold: 2 << 20 = 2097152. */
+const char *malloc_conf = "oversize_threshold:2097152";
+
+#define HUGE_SZ (2 << 20)
+#define SMALL_SZ (8)
+
+TEST_BEGIN(huge_bind_thread) {
+ unsigned arena1, arena2;
+ size_t sz = sizeof(unsigned);
+
+ /* Bind to a manual arena. */
+ expect_d_eq(mallctl("arenas.create", &arena1, &sz, NULL, 0), 0,
+ "Failed to create arena");
+ expect_d_eq(mallctl("thread.arena", NULL, NULL, &arena1,
+ sizeof(arena1)), 0, "Fail to bind thread");
+
+ void *ptr = mallocx(HUGE_SZ, 0);
+ expect_ptr_not_null(ptr, "Fail to allocate huge size");
+ expect_d_eq(mallctl("arenas.lookup", &arena2, &sz, &ptr,
+ sizeof(ptr)), 0, "Unexpected mallctl() failure");
+ expect_u_eq(arena1, arena2, "Wrong arena used after binding");
+ dallocx(ptr, 0);
+
+ /* Switch back to arena 0. */
+ test_skip_if(have_percpu_arena &&
+ PERCPU_ARENA_ENABLED(opt_percpu_arena));
+ arena2 = 0;
+ expect_d_eq(mallctl("thread.arena", NULL, NULL, &arena2,
+ sizeof(arena2)), 0, "Fail to bind thread");
+ ptr = mallocx(SMALL_SZ, MALLOCX_TCACHE_NONE);
+ expect_d_eq(mallctl("arenas.lookup", &arena2, &sz, &ptr,
+ sizeof(ptr)), 0, "Unexpected mallctl() failure");
+ expect_u_eq(arena2, 0, "Wrong arena used after binding");
+ dallocx(ptr, MALLOCX_TCACHE_NONE);
+
+ /* Then huge allocation should use the huge arena. */
+ ptr = mallocx(HUGE_SZ, 0);
+ expect_ptr_not_null(ptr, "Fail to allocate huge size");
+ expect_d_eq(mallctl("arenas.lookup", &arena2, &sz, &ptr,
+ sizeof(ptr)), 0, "Unexpected mallctl() failure");
+ expect_u_ne(arena2, 0, "Wrong arena used after binding");
+ expect_u_ne(arena1, arena2, "Wrong arena used after binding");
+ dallocx(ptr, 0);
+}
+TEST_END
+
+TEST_BEGIN(huge_mallocx) {
+ unsigned arena1, arena2;
+ size_t sz = sizeof(unsigned);
+
+ expect_d_eq(mallctl("arenas.create", &arena1, &sz, NULL, 0), 0,
+ "Failed to create arena");
+ void *huge = mallocx(HUGE_SZ, MALLOCX_ARENA(arena1));
+ expect_ptr_not_null(huge, "Fail to allocate huge size");
+ expect_d_eq(mallctl("arenas.lookup", &arena2, &sz, &huge,
+ sizeof(huge)), 0, "Unexpected mallctl() failure");
+ expect_u_eq(arena1, arena2, "Wrong arena used for mallocx");
+ dallocx(huge, MALLOCX_ARENA(arena1));
+
+ void *huge2 = mallocx(HUGE_SZ, 0);
+ expect_ptr_not_null(huge, "Fail to allocate huge size");
+ expect_d_eq(mallctl("arenas.lookup", &arena2, &sz, &huge2,
+ sizeof(huge2)), 0, "Unexpected mallctl() failure");
+ expect_u_ne(arena1, arena2,
+ "Huge allocation should not come from the manual arena.");
+ expect_u_ne(arena2, 0,
+ "Huge allocation should not come from the arena 0.");
+ dallocx(huge2, 0);
+}
+TEST_END
+
+TEST_BEGIN(huge_allocation) {
+ unsigned arena1, arena2;
+
+ void *ptr = mallocx(HUGE_SZ, 0);
+ expect_ptr_not_null(ptr, "Fail to allocate huge size");
+ size_t sz = sizeof(unsigned);
+ expect_d_eq(mallctl("arenas.lookup", &arena1, &sz, &ptr, sizeof(ptr)),
+ 0, "Unexpected mallctl() failure");
+ expect_u_gt(arena1, 0, "Huge allocation should not come from arena 0");
+ dallocx(ptr, 0);
+
+ ptr = mallocx(HUGE_SZ >> 1, 0);
+ expect_ptr_not_null(ptr, "Fail to allocate half huge size");
+ expect_d_eq(mallctl("arenas.lookup", &arena2, &sz, &ptr,
+ sizeof(ptr)), 0, "Unexpected mallctl() failure");
+ expect_u_ne(arena1, arena2, "Wrong arena used for half huge");
+ dallocx(ptr, 0);
+
+ ptr = mallocx(SMALL_SZ, MALLOCX_TCACHE_NONE);
+ expect_ptr_not_null(ptr, "Fail to allocate small size");
+ expect_d_eq(mallctl("arenas.lookup", &arena2, &sz, &ptr,
+ sizeof(ptr)), 0, "Unexpected mallctl() failure");
+ expect_u_ne(arena1, arena2,
+ "Huge and small should be from different arenas");
+ dallocx(ptr, 0);
+}
+TEST_END
+
+int
+main(void) {
+ return test(
+ huge_allocation,
+ huge_mallocx,
+ huge_bind_thread);
+}