tests/ust/ust_global_event_wildcard.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, ev2;
  39         char *channel_name = "channel0";
  40         char *channel_name2 = "channel2";
  41         char *session_name = "ust_global_all_events_basic";
  42         int ret = 0;
  43
  44         memset(&dom, 0, sizeof(dom));
  45         memset(&event, 0, sizeof(event));
  46         memset(&ev2, 0, sizeof(ev2));
  47
  48         dom.type = LTTNG_DOMAIN_UST;
  49
  50         event.type = LTTNG_EVENT_TRACEPOINT;
  51         event.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;
  52         strcpy(event.name, "*");
  53
  54         ev2.type = LTTNG_EVENT_TRACEPOINT;
  55         ev2.loglevel_type = LTTNG_EVENT_LOGLEVEL_RANGE;
  56         ev2.loglevel = LTTNG_LOGLEVEL_NOTICE;
  57         strcpy(ev2.name, "abc*");
  58
  59         printf("\nTesting tracing all UST events:\n");
  60         printf("-----------\n");
  61
  62         if (argc < 2) {
  63                 printf("Missing session trace path\n");
  64                 return 1;
  65         }
  66
  67         printf("Creating tracing session (%s): ", argv[1]);
  68         if ((ret = lttng_create_session(session_name, argv[1])) < 0) {
  69                 printf("error creating the session : %s\n", lttng_strerror(ret));
  70                 goto create_fail;
  71         }
  72         PRINT_OK();
  73
  74         printf("Creating session handle: ");
  75         if ((handle = lttng_create_handle(session_name, &dom)) == NULL) {
  76                 printf("error creating handle: %s\n", lttng_strerror(ret));
  77                 goto handle_fail;
  78         }
  79         PRINT_OK();
  80
  81         printf("Enabling '*' UST events: ");
  82         if ((ret = lttng_enable_event(handle, &event, channel_name)) < 0) {
  83                 printf("error enabling event: %s\n", lttng_strerror(ret));
  84                 goto enable_fail;
  85         }
  86         PRINT_OK();
  87
  88         printf("Enabling 'abc*' UST events: ");
  89         if ((ret = lttng_enable_event(handle, &ev2, channel_name2)) < 0) {
  90                 printf("error enabling event: %s\n", lttng_strerror(ret));
  91                 goto enable_fail;
  92         }
  93         PRINT_OK();
  94
  95         printf("Start tracing: ");
  96         if ((ret = lttng_start_tracing(session_name)) < 0) {
  97                 printf("error starting tracing: %s\n", lttng_strerror(ret));
  98                 goto start_fail;
  99         }
 100         PRINT_OK();
 101
 102         sleep(2);
 103
 104         printf("Stop tracing: ");
 105         if ((ret = lttng_stop_tracing(session_name)) < 0) {
 106                 printf("error stopping tracing: %s\n", lttng_strerror(ret));
 107                 goto stop_fail;
 108         }
 109         PRINT_OK();
 110
 111         printf("Destroy tracing session: ");
 112         if ((ret = lttng_destroy_session(session_name)) < 0) {
 113                 printf("error destroying session: %s\n", lttng_strerror(ret));
 114         }
 115         PRINT_OK();
 116
 117         return 0;
 118
 119 create_fail:
 120         assert(ret != 0);
 121 handle_fail:
 122         assert(handle != NULL);
 123
 124 stop_fail:
 125 start_fail:
 126 enable_fail:
 127         lttng_destroy_session(session_name);
 128         lttng_destroy_handle(handle);
 129
 130         return 1;
 131 }