1 #include "test/jemalloc_test.h"
2
3 #ifdef JEMALLOC_PROF
4 const char *malloc_conf = "prof:true,lg_prof_sample:0";
5 #endif
6
TEST_BEGIN(test_prof_realloc)7 TEST_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 }
50 TEST_END
51
52 int
main(void)53 main(void)
54 {
55 return test(
56 test_prof_realloc);
57 }
58