1#include "test/jemalloc_test.h"
2
3#ifdef JEMALLOC_PROF
4const char *malloc_conf =
5    "prof:true,prof_thread_active_init:false,lg_prof_sample:0";
6#endif
7
8static void
9mallctl_bool_get(const char *name, bool expected, const char *func, int line)
10{
11	bool old;
12	size_t sz;
13
14	sz = sizeof(old);
15	assert_d_eq(mallctl(name, &old, &sz, NULL, 0), 0,
16	    "%s():%d: Unexpected mallctl failure reading %s", func, line, name);
17	assert_b_eq(old, expected, "%s():%d: Unexpected %s value", func, line,
18	    name);
19}
20
21static void
22mallctl_bool_set(const char *name, bool old_expected, bool val_new,
23    const char *func, int line)
24{
25	bool old;
26	size_t sz;
27
28	sz = sizeof(old);
29	assert_d_eq(mallctl(name, &old, &sz, &val_new, sizeof(val_new)), 0,
30	    "%s():%d: Unexpected mallctl failure reading/writing %s", func,
31	    line, name);
32	assert_b_eq(old, old_expected, "%s():%d: Unexpected %s value", func,
33	    line, name);
34}
35
36static void
37mallctl_prof_active_get_impl(bool prof_active_old_expected, const char *func,
38    int line)
39{
40
41	mallctl_bool_get("prof.active", prof_active_old_expected, func, line);
42}
43#define	mallctl_prof_active_get(a)					\
44	mallctl_prof_active_get_impl(a, __func__, __LINE__)
45
46static void
47mallctl_prof_active_set_impl(bool prof_active_old_expected,
48    bool prof_active_new, const char *func, int line)
49{
50
51	mallctl_bool_set("prof.active", prof_active_old_expected,
52	    prof_active_new, func, line);
53}
54#define	mallctl_prof_active_set(a, b)					\
55	mallctl_prof_active_set_impl(a, b, __func__, __LINE__)
56
57static void
58mallctl_thread_prof_active_get_impl(bool thread_prof_active_old_expected,
59    const char *func, int line)
60{
61
62	mallctl_bool_get("thread.prof.active", thread_prof_active_old_expected,
63	    func, line);
64}
65#define	mallctl_thread_prof_active_get(a)				\
66	mallctl_thread_prof_active_get_impl(a, __func__, __LINE__)
67
68static void
69mallctl_thread_prof_active_set_impl(bool thread_prof_active_old_expected,
70    bool thread_prof_active_new, const char *func, int line)
71{
72
73	mallctl_bool_set("thread.prof.active", thread_prof_active_old_expected,
74	    thread_prof_active_new, func, line);
75}
76#define	mallctl_thread_prof_active_set(a, b)				\
77	mallctl_thread_prof_active_set_impl(a, b, __func__, __LINE__)
78
79static void
80prof_sampling_probe_impl(bool expect_sample, const char *func, int line)
81{
82	void *p;
83	size_t expected_backtraces = expect_sample ? 1 : 0;
84
85	assert_zu_eq(prof_bt_count(), 0, "%s():%d: Expected 0 backtraces", func,
86	    line);
87	p = mallocx(1, 0);
88	assert_ptr_not_null(p, "Unexpected mallocx() failure");
89	assert_zu_eq(prof_bt_count(), expected_backtraces,
90	    "%s():%d: Unexpected backtrace count", func, line);
91	dallocx(p, 0);
92}
93#define	prof_sampling_probe(a)						\
94	prof_sampling_probe_impl(a, __func__, __LINE__)
95
96TEST_BEGIN(test_prof_active)
97{
98
99	test_skip_if(!config_prof);
100
101	mallctl_prof_active_get(true);
102	mallctl_thread_prof_active_get(false);
103
104	mallctl_prof_active_set(true, true);
105	mallctl_thread_prof_active_set(false, false);
106	/* prof.active, !thread.prof.active. */
107	prof_sampling_probe(false);
108
109	mallctl_prof_active_set(true, false);
110	mallctl_thread_prof_active_set(false, false);
111	/* !prof.active, !thread.prof.active. */
112	prof_sampling_probe(false);
113
114	mallctl_prof_active_set(false, false);
115	mallctl_thread_prof_active_set(false, true);
116	/* !prof.active, thread.prof.active. */
117	prof_sampling_probe(false);
118
119	mallctl_prof_active_set(false, true);
120	mallctl_thread_prof_active_set(true, true);
121	/* prof.active, thread.prof.active. */
122	prof_sampling_probe(true);
123
124	/* Restore settings. */
125	mallctl_prof_active_set(true, true);
126	mallctl_thread_prof_active_set(true, false);
127}
128TEST_END
129
130int
131main(void)
132{
133
134	return (test(
135	    test_prof_active));
136}
137