1 #include "test/jemalloc_test.h"
2
3 #ifdef JEMALLOC_PROF
4 const char *malloc_conf =
5 "prof:true,prof_thread_active_init:false,lg_prof_sample:0";
6 #endif
7
8 static void
mallctl_bool_get(const char * name,bool expected,const char * func,int line)9 mallctl_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
21 static void
mallctl_bool_set(const char * name,bool old_expected,bool val_new,const char * func,int line)22 mallctl_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
36 static void
mallctl_prof_active_get_impl(bool prof_active_old_expected,const char * func,int line)37 mallctl_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
46 static void
mallctl_prof_active_set_impl(bool prof_active_old_expected,bool prof_active_new,const char * func,int line)47 mallctl_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
57 static void
mallctl_thread_prof_active_get_impl(bool thread_prof_active_old_expected,const char * func,int line)58 mallctl_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
68 static void
mallctl_thread_prof_active_set_impl(bool thread_prof_active_old_expected,bool thread_prof_active_new,const char * func,int line)69 mallctl_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
79 static void
prof_sampling_probe_impl(bool expect_sample,const char * func,int line)80 prof_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
TEST_BEGIN(test_prof_active)96 TEST_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 }
128 TEST_END
129
130 int
main(void)131 main(void)
132 {
133
134 return (test(
135 test_prof_active));
136 }
137