| 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_event event; |
| 37 | char *channel_name = "channel0"; |
| 38 | int ret = 0; |
| 39 | |
| 40 | dom.type = LTTNG_DOMAIN_UST; |
| 41 | |
| 42 | memset(&event, 0, sizeof(struct lttng_event)); |
| 43 | event.type = LTTNG_EVENT_TRACEPOINT; |
| 44 | |
| 45 | printf("\nTesting tracing all UST events:\n"); |
| 46 | printf("-----------\n"); |
| 47 | |
| 48 | if (argc < 2) { |
| 49 | printf("Missing session trace path\n"); |
| 50 | return 1; |
| 51 | } |
| 52 | |
| 53 | printf("Creating tracing session (%s): ", argv[1]); |
| 54 | if ((ret = lttng_create_session("test", argv[1])) < 0) { |
| 55 | printf("error creating the session : %s\n", lttng_strerror(ret)); |
| 56 | goto create_fail; |
| 57 | } |
| 58 | PRINT_OK(); |
| 59 | |
| 60 | printf("Creating session handle: "); |
| 61 | if ((handle = lttng_create_handle("test", &dom)) == NULL) { |
| 62 | printf("error creating handle: %s\n", lttng_strerror(ret)); |
| 63 | goto handle_fail; |
| 64 | } |
| 65 | PRINT_OK(); |
| 66 | |
| 67 | printf("Enabling all UST events: "); |
| 68 | if ((ret = lttng_enable_event(handle, &event, channel_name)) < 0) { |
| 69 | printf("error enabling event: %s\n", lttng_strerror(ret)); |
| 70 | goto enable_fail; |
| 71 | } |
| 72 | PRINT_OK(); |
| 73 | |
| 74 | printf("Start tracing: "); |
| 75 | if ((ret = lttng_start_tracing("test")) < 0) { |
| 76 | printf("error starting tracing: %s\n", lttng_strerror(ret)); |
| 77 | goto start_fail; |
| 78 | } |
| 79 | PRINT_OK(); |
| 80 | |
| 81 | sleep(2); |
| 82 | |
| 83 | printf("Stop tracing: "); |
| 84 | if ((ret = lttng_stop_tracing("test")) < 0) { |
| 85 | printf("error stopping tracing: %s\n", lttng_strerror(ret)); |
| 86 | goto stop_fail; |
| 87 | } |
| 88 | PRINT_OK(); |
| 89 | |
| 90 | printf("Destroy tracing session: "); |
| 91 | if ((ret = lttng_destroy_session("test")) < 0) { |
| 92 | printf("error destroying session: %s\n", lttng_strerror(ret)); |
| 93 | } |
| 94 | PRINT_OK(); |
| 95 | |
| 96 | return 0; |
| 97 | |
| 98 | create_fail: |
| 99 | assert(ret != 0); |
| 100 | handle_fail: |
| 101 | assert(handle != NULL); |
| 102 | |
| 103 | stop_fail: |
| 104 | start_fail: |
| 105 | enable_fail: |
| 106 | lttng_destroy_session("test"); |
| 107 | lttng_destroy_handle(handle); |
| 108 | |
| 109 | return 1; |
| 110 | } |