1#include "test/jemalloc_test.h"
2
3#ifdef JEMALLOC_PROF
4const char *malloc_conf = "prof:true,lg_prof_sample:0";
5#endif
6
7TEST_BEGIN(test_prof_realloc)
8{
9	tsdn_t *tsdn;
10	int flags;
11	void *p, *q;
12	extent_t *extent_p, *extent_q;
13	prof_tctx_t *tctx_p, *tctx_q;
14	uint64_t curobjs_0, curobjs_1, curobjs_2, curobjs_3;
15
16	test_skip_if(!config_prof);
17
18	tsdn = tsdn_fetch();
19	flags = MALLOCX_TCACHE_NONE;
20
21	prof_cnt_all(&curobjs_0, NULL, NULL, NULL);
22	p = mallocx(1024, flags);
23	assert_ptr_not_null(p, "Unexpected mallocx() failure");
24	extent_p = iealloc(tsdn, p);
25	assert_ptr_not_null(extent_p, "Unexpected iealloc() failure");
26	tctx_p = prof_tctx_get(tsdn, extent_p, p);
27	assert_ptr_ne(tctx_p, (prof_tctx_t *)(uintptr_t)1U,
28	    "Expected valid tctx");
29	prof_cnt_all(&curobjs_1, NULL, NULL, NULL);
30	assert_u64_eq(curobjs_0 + 1, curobjs_1,
31	    "Allocation should have increased sample size");
32
33	q = rallocx(p, 2048, flags);
34	assert_ptr_ne(p, q, "Expected move");
35	assert_ptr_not_null(p, "Unexpected rmallocx() failure");
36	extent_q = iealloc(tsdn, q);
37	assert_ptr_not_null(extent_q, "Unexpected iealloc() failure");
38	tctx_q = prof_tctx_get(tsdn, extent_q, q);
39	assert_ptr_ne(tctx_q, (prof_tctx_t *)(uintptr_t)1U,
40	    "Expected valid tctx");
41	prof_cnt_all(&curobjs_2, NULL, NULL, NULL);
42	assert_u64_eq(curobjs_1, curobjs_2,
43	    "Reallocation should not have changed sample size");
44
45	dallocx(q, flags);
46	prof_cnt_all(&curobjs_3, NULL, NULL, NULL);
47	assert_u64_eq(curobjs_0, curobjs_3,
48	    "Sample size should have returned to base level");
49}
50TEST_END
51
52int
53main(void)
54{
55	return test(
56	    test_prof_realloc);
57}
58