2 * Copyright (c) 2011 David Goulet <david.goulet@polymtl.ca>
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
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.
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.
28 #include <lttng/lttng.h>
34 int main(int argc
, char **argv
)
36 struct lttng_handle
*handle
= NULL
;
37 struct lttng_domain dom
;
38 struct lttng_channel channel
;
39 struct lttng_event ev1
, ev2
, ev3
;
40 char *session_name
= "ust_global_event_basic";
43 memset(&dom
, 0, sizeof(dom
));
44 memset(&channel
, 0, sizeof(channel
));
45 memset(&ev1
, 0, sizeof(ev1
));
46 memset(&ev2
, 0, sizeof(ev2
));
47 memset(&ev3
, 0, sizeof(ev3
));
49 dom
.type
= LTTNG_DOMAIN_UST
;
50 strcpy(channel
.name
, "mychan");
51 channel
.attr
.overwrite
= 0;
52 channel
.attr
.subbuf_size
= 4096;
53 channel
.attr
.num_subbuf
= 4;
54 channel
.attr
.switch_timer_interval
= 0;
55 channel
.attr
.read_timer_interval
= 200;
56 channel
.attr
.output
= LTTNG_EVENT_MMAP
;
58 strcpy(ev1
.name
, "tp1");
59 ev1
.type
= LTTNG_EVENT_TRACEPOINT
;
60 ev1
.loglevel_type
= LTTNG_EVENT_LOGLEVEL_ALL
;
62 strcpy(ev2
.name
, "ev2");
63 ev2
.type
= LTTNG_EVENT_TRACEPOINT
;
64 ev2
.loglevel_type
= LTTNG_EVENT_LOGLEVEL_ALL
;
66 strcpy(ev3
.name
, "ev3");
67 ev3
.type
= LTTNG_EVENT_TRACEPOINT
;
68 ev3
.loglevel_type
= LTTNG_EVENT_LOGLEVEL_ALL
;
70 printf("\nTesting tracing UST events:\n");
71 printf("-----------\n");
74 printf("Missing session trace path\n");
78 printf("Creating tracing session (%s): ", argv
[1]);
79 if ((ret
= lttng_create_session(session_name
, argv
[1])) < 0) {
80 printf("error creating the session : %s\n", lttng_strerror(ret
));
85 printf("Creating session handle: ");
86 if ((handle
= lttng_create_handle(session_name
, &dom
)) == NULL
) {
87 printf("error creating handle: %s\n", lttng_strerror(ret
));
92 printf("Enabling %s UST channel: ", channel
.name
);
93 if ((ret
= lttng_enable_channel(handle
, &channel
)) < 0) {
94 printf("error enable channel: %s\n", lttng_strerror(ret
));
99 printf("Enabling %s UST event: ", ev1
.name
);
100 if ((ret
= lttng_enable_event(handle
, &ev1
, channel
.name
)) < 0) {
101 printf("error enabling event: %s\n", lttng_strerror(ret
));
106 printf("Enabling %s UST event: ", ev2
.name
);
107 if ((ret
= lttng_enable_event(handle
, &ev2
, channel
.name
)) < 0) {
108 printf("error enabling event: %s\n", lttng_strerror(ret
));
113 printf("Enabling %s UST event: ", ev3
.name
);
114 if ((ret
= lttng_enable_event(handle
, &ev3
, channel
.name
)) < 0) {
115 printf("error enabling event: %s\n", lttng_strerror(ret
));
120 printf("Disabling %s UST event: ", ev1
.name
);
121 if ((ret
= lttng_disable_event(handle
, ev1
.name
, channel
.name
)) < 0) {
122 printf("error enabling event: %s\n", lttng_strerror(ret
));
127 printf("Disabling %s UST event: ", ev3
.name
);
128 if ((ret
= lttng_disable_event(handle
, ev3
.name
, channel
.name
)) < 0) {
129 printf("error enabling event: %s\n", lttng_strerror(ret
));
134 printf("Renabling %s UST event: ", ev1
.name
);
135 if ((ret
= lttng_enable_event(handle
, &ev1
, channel
.name
)) < 0) {
136 printf("error enabling event: %s\n", lttng_strerror(ret
));
141 printf("Renabling %s UST event: ", ev3
.name
);
142 if ((ret
= lttng_enable_event(handle
, &ev3
, channel
.name
)) < 0) {
143 printf("error enabling event: %s\n", lttng_strerror(ret
));
148 printf("Start tracing: ");
149 if ((ret
= lttng_start_tracing(session_name
)) < 0) {
150 printf("error starting tracing: %s\n", lttng_strerror(ret
));
157 printf("Stop tracing: ");
158 if ((ret
= lttng_stop_tracing(session_name
)) < 0) {
159 printf("error stopping tracing: %s\n", lttng_strerror(ret
));
164 printf("Restart tracing: ");
165 if ((ret
= lttng_start_tracing(session_name
)) < 0) {
166 printf("error starting tracing: %s\n", lttng_strerror(ret
));
173 printf("Stop tracing: ");
174 if ((ret
= lttng_stop_tracing(session_name
)) < 0) {
175 printf("error stopping tracing: %s\n", lttng_strerror(ret
));
180 printf("Destroy tracing session: ");
181 if ((ret
= lttng_destroy_session(session_name
)) < 0) {
182 printf("error destroying session: %s\n", lttng_strerror(ret
));
191 assert(handle
!= NULL
);
196 lttng_destroy_session(session_name
);
197 lttng_destroy_handle(handle
);
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