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>
32 int main(int argc
, char **argv
)
34 struct lttng_handle
*handle
= NULL
;
35 struct lttng_domain dom
;
36 char *channel_name
= "mychan";
39 dom
.type
= LTTNG_DOMAIN_KERNEL
;
41 printf("\nTesting basic kernel tracing use case:\n");
42 printf("-----------\n");
45 printf("Root access is needed.\nPlease run 'sudo make check' -- Aborting!\n");
50 printf("Missing session trace path\n");
54 printf("Creating tracing session (%s): ", argv
[1]);
55 if ((ret
= lttng_create_session("test", argv
[1])) < 0) {
56 printf("error creating the session : %s\n", lttng_get_readable_code(ret
));
61 printf("Creating session handle: ");
62 if ((handle
= lttng_create_handle("test", &dom
)) == NULL
) {
63 printf("error creating handle: %s\n", lttng_get_readable_code(ret
));
68 printf("Enabling all kernel events: ");
69 if ((ret
= lttng_enable_event(handle
, NULL
, channel_name
)) < 0) {
70 printf("error enabling event: %s\n", lttng_get_readable_code(ret
));
75 printf("Start tracing: ");
76 if ((ret
= lttng_start_tracing(handle
)) < 0) {
77 printf("error starting tracing: %s\n", lttng_get_readable_code(ret
));
84 printf("Stop tracing: ");
85 if ((ret
= lttng_stop_tracing(handle
)) < 0) {
86 printf("error stopping tracing: %s\n", lttng_get_readable_code(ret
));
91 printf("Destroy tracing session: ");
92 if ((ret
= lttng_destroy_session(handle
)) < 0) {
93 printf("error destroying session: %s\n", lttng_get_readable_code(ret
));
102 assert(handle
!= NULL
);
107 lttng_destroy_session(handle
);
108 lttng_destroy_handle(handle
);
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