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69c0b621 DG |
1 | /* |
2 | * Copyright (c) 2011 David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * as published by the Free Software Foundation; only version 2 | |
7 | * of the License. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
17 | */ | |
18 | ||
19 | #define _GNU_SOURCE | |
20 | #include <assert.h> | |
21 | #include <errno.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <unistd.h> | |
26 | #include <time.h> | |
27 | ||
28 | #include <lttng/lttng.h> | |
29 | ||
30 | #include "../utils.h" | |
31 | ||
32 | int main(int argc, char **argv) | |
33 | { | |
34 | struct lttng_handle *handle = NULL; | |
35 | struct lttng_domain dom; | |
36 | struct lttng_channel channel; | |
37 | struct lttng_event ev1, ev2, ev3; | |
38 | ||
39 | int ret = 0; | |
40 | ||
d3e8f6bb | 41 | char *session_name = "ust_global_event_basic"; |
69c0b621 DG |
42 | |
43 | dom.type = LTTNG_DOMAIN_UST; | |
44 | ||
45 | strcpy(channel.name, "mychan"); | |
46 | channel.attr.overwrite = 0; | |
47 | channel.attr.subbuf_size = 4096; | |
48 | channel.attr.num_subbuf = 4; | |
49 | channel.attr.switch_timer_interval = 0; | |
50 | channel.attr.read_timer_interval = 200; | |
51 | channel.attr.output = LTTNG_EVENT_MMAP; | |
52 | ||
53 | strcpy(ev1.name, "tp1"); | |
54 | ev1.type = LTTNG_EVENT_TRACEPOINT; | |
55 | ||
56 | strcpy(ev2.name, "ev2"); | |
57 | ev2.type = LTTNG_EVENT_TRACEPOINT; | |
58 | ||
59 | strcpy(ev3.name, "ev3"); | |
60 | ev3.type = LTTNG_EVENT_TRACEPOINT; | |
61 | ||
62 | printf("\nTesting tracing UST events:\n"); | |
63 | printf("-----------\n"); | |
64 | ||
65 | if (argc < 2) { | |
66 | printf("Missing session trace path\n"); | |
67 | return 1; | |
68 | } | |
69 | ||
70 | printf("Creating tracing session (%s): ", argv[1]); | |
71 | if ((ret = lttng_create_session(session_name, argv[1])) < 0) { | |
72 | printf("error creating the session : %s\n", lttng_strerror(ret)); | |
73 | goto create_fail; | |
74 | } | |
75 | PRINT_OK(); | |
76 | ||
77 | printf("Creating session handle: "); | |
78 | if ((handle = lttng_create_handle(session_name, &dom)) == NULL) { | |
79 | printf("error creating handle: %s\n", lttng_strerror(ret)); | |
80 | goto handle_fail; | |
81 | } | |
82 | PRINT_OK(); | |
83 | ||
84 | printf("Enabling %s UST channel: ", channel.name); | |
85 | if ((ret = lttng_enable_channel(handle, &channel)) < 0) { | |
86 | printf("error enable channel: %s\n", lttng_strerror(ret)); | |
87 | goto enable_fail; | |
88 | } | |
89 | PRINT_OK(); | |
90 | ||
91 | printf("Enabling %s UST event: ", ev1.name); | |
92 | if ((ret = lttng_enable_event(handle, &ev1, channel.name)) < 0) { | |
93 | printf("error enabling event: %s\n", lttng_strerror(ret)); | |
94 | goto enable_fail; | |
95 | } | |
96 | PRINT_OK(); | |
97 | ||
98 | printf("Enabling %s UST event: ", ev2.name); | |
99 | if ((ret = lttng_enable_event(handle, &ev2, channel.name)) < 0) { | |
100 | printf("error enabling event: %s\n", lttng_strerror(ret)); | |
101 | goto enable_fail; | |
102 | } | |
103 | PRINT_OK(); | |
104 | ||
105 | printf("Enabling %s UST event: ", ev3.name); | |
106 | if ((ret = lttng_enable_event(handle, &ev3, channel.name)) < 0) { | |
107 | printf("error enabling event: %s\n", lttng_strerror(ret)); | |
108 | goto enable_fail; | |
109 | } | |
110 | PRINT_OK(); | |
111 | ||
112 | printf("Disabling %s UST event: ", ev1.name); | |
113 | if ((ret = lttng_disable_event(handle, ev1.name, channel.name)) < 0) { | |
114 | printf("error enabling event: %s\n", lttng_strerror(ret)); | |
115 | goto enable_fail; | |
116 | } | |
117 | PRINT_OK(); | |
118 | ||
119 | printf("Disabling %s UST event: ", ev3.name); | |
120 | if ((ret = lttng_disable_event(handle, ev3.name, channel.name)) < 0) { | |
121 | printf("error enabling event: %s\n", lttng_strerror(ret)); | |
122 | goto enable_fail; | |
123 | } | |
124 | PRINT_OK(); | |
125 | ||
126 | printf("Renabling %s UST event: ", ev1.name); | |
127 | if ((ret = lttng_enable_event(handle, &ev1, channel.name)) < 0) { | |
128 | printf("error enabling event: %s\n", lttng_strerror(ret)); | |
129 | goto enable_fail; | |
130 | } | |
131 | PRINT_OK(); | |
132 | ||
133 | printf("Renabling %s UST event: ", ev3.name); | |
134 | if ((ret = lttng_enable_event(handle, &ev3, channel.name)) < 0) { | |
135 | printf("error enabling event: %s\n", lttng_strerror(ret)); | |
136 | goto enable_fail; | |
137 | } | |
138 | PRINT_OK(); | |
139 | ||
140 | printf("Start tracing: "); | |
141 | if ((ret = lttng_start_tracing(session_name)) < 0) { | |
142 | printf("error starting tracing: %s\n", lttng_strerror(ret)); | |
143 | goto start_fail; | |
144 | } | |
145 | PRINT_OK(); | |
146 | ||
147 | sleep(2); | |
148 | ||
149 | printf("Stop tracing: "); | |
150 | if ((ret = lttng_stop_tracing(session_name)) < 0) { | |
151 | printf("error stopping tracing: %s\n", lttng_strerror(ret)); | |
152 | goto stop_fail; | |
153 | } | |
154 | PRINT_OK(); | |
155 | ||
156 | printf("Destroy tracing session: "); | |
157 | if ((ret = lttng_destroy_session(session_name)) < 0) { | |
158 | printf("error destroying session: %s\n", lttng_strerror(ret)); | |
159 | } | |
160 | PRINT_OK(); | |
161 | ||
162 | return 0; | |
163 | ||
164 | create_fail: | |
165 | assert(ret != 0); | |
166 | handle_fail: | |
167 | assert(handle != NULL); | |
168 | ||
169 | stop_fail: | |
170 | start_fail: | |
171 | enable_fail: | |
172 | lttng_destroy_session(session_name); | |
173 | lttng_destroy_handle(handle); | |
174 | ||
175 | return 1; | |
176 | } |