b80dbd32269e500d35b8a13b47dd4c3983d96a48
[lttng-tools.git] / tests / regression / kernel / kernel_all_events_basic.c
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 lttng_opt_quiet;
33
34 int main(int argc, char **argv)
35 {
36 struct lttng_handle *handle = NULL;
37 struct lttng_domain dom;
38 struct lttng_event event;
39 char *channel_name = "channel0";
40 char *session_name = "kernel_all_events_basic";
41 int ret = 0;
42
43 memset(&dom, 0, sizeof(dom));
44 memset(&event, 0, sizeof(event));
45 dom.type = LTTNG_DOMAIN_KERNEL;
46 event.type = LTTNG_EVENT_TRACEPOINT;
47 event.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;
48
49 printf("\nTesting tracing all kernel events:\n");
50 printf("-----------\n");
51 /* Check if root */
52 if (getuid() != 0) {
53 printf("Root access is needed.\nPlease run 'sudo make check' -- Aborting!\n");
54 return 0;
55 }
56
57 if (argc < 2) {
58 printf("Missing session trace path\n");
59 return 1;
60 }
61
62 printf("Creating tracing session (%s): ", argv[1]);
63 if ((ret = lttng_create_session(session_name, argv[1])) < 0) {
64 printf("error creating the session : %s\n", lttng_strerror(ret));
65 goto create_fail;
66 }
67 PRINT_OK();
68
69 printf("Creating session handle: ");
70 if ((handle = lttng_create_handle(session_name, &dom)) == NULL) {
71 printf("error creating handle: %s\n", lttng_strerror(ret));
72 goto handle_fail;
73 }
74 PRINT_OK();
75
76 printf("Enabling all kernel events: ");
77 if ((ret = lttng_enable_event(handle, &event, channel_name)) < 0) {
78 printf("error enabling event: %s\n", lttng_strerror(ret));
79 goto enable_fail;
80 }
81 PRINT_OK();
82
83 printf("Start tracing: ");
84 if ((ret = lttng_start_tracing(session_name)) < 0) {
85 printf("error starting tracing: %s\n", lttng_strerror(ret));
86 goto start_fail;
87 }
88 PRINT_OK();
89
90 sleep(2);
91
92 printf("Stop tracing: ");
93 if ((ret = lttng_stop_tracing(session_name)) < 0) {
94 printf("error stopping tracing: %s\n", lttng_strerror(ret));
95 goto stop_fail;
96 }
97 PRINT_OK();
98
99 printf("Destroy tracing session: ");
100 if ((ret = lttng_destroy_session(session_name)) < 0) {
101 printf("error destroying session: %s\n", lttng_strerror(ret));
102 }
103 PRINT_OK();
104
105 return 0;
106
107 handle_fail:
108 assert(handle != NULL);
109 create_fail:
110 assert(ret != 0);
111
112 stop_fail:
113 start_fail:
114 enable_fail:
115 lttng_destroy_session(session_name);
116 lttng_destroy_handle(handle);
117
118 return 1;
119 }
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