| 1 | /* |
| 2 | * Copyright (C) 2012 - David Goulet <dgoulet@efficios.com> |
| 3 | * |
| 4 | * This library is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public |
| 6 | * License as published by the Free Software Foundation; version 2.1 of |
| 7 | * the License. |
| 8 | * |
| 9 | * This library 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 GNU |
| 12 | * Lesser General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU Lesser General Public |
| 15 | * License along with this library; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 17 | */ |
| 18 | |
| 19 | #include <poll.h> |
| 20 | #include <pthread.h> |
| 21 | #include <stdio.h> |
| 22 | #include <stdlib.h> |
| 23 | |
| 24 | #define TRACEPOINT_DEFINE |
| 25 | #include "tp.h" |
| 26 | |
| 27 | /* |
| 28 | * Thread recording a tracepoint every minute for 20 minutes. |
| 29 | */ |
| 30 | static void *th_event_minute(void *data) |
| 31 | { |
| 32 | int i; |
| 33 | |
| 34 | /* Loop for 20 minutes */ |
| 35 | for (i = 1; i < 21; i++) { |
| 36 | /* Sleep 60 seconds */ |
| 37 | poll(NULL, 0, 60000); |
| 38 | |
| 39 | /* 20 minutes tracepoint */ |
| 40 | if ((i % 20) == 0) { |
| 41 | tracepoint(tp, slow, i, "twenty"); |
| 42 | printf("Twenty: %d\n", i); |
| 43 | } |
| 44 | |
| 45 | /* 10 minutes tracepoint */ |
| 46 | if ((i % 10) == 0) { |
| 47 | tracepoint(tp, slow, i, "ten"); |
| 48 | printf("Ten: %d\n", i); |
| 49 | } |
| 50 | |
| 51 | /* 1 minute tracepoint */ |
| 52 | tracepoint(tp, slow, i, "one"); |
| 53 | printf("One: %d\n", i); |
| 54 | } |
| 55 | |
| 56 | return NULL; |
| 57 | } |
| 58 | |
| 59 | /* |
| 60 | * main |
| 61 | */ |
| 62 | int main(int argc, char **argv) |
| 63 | { |
| 64 | int ret; |
| 65 | void *status; |
| 66 | pthread_t thread; |
| 67 | |
| 68 | ret = pthread_create(&thread, NULL, th_event_minute, NULL); |
| 69 | if (ret != 0) { |
| 70 | perror("pthread_create event minute"); |
| 71 | goto error; |
| 72 | } |
| 73 | |
| 74 | ret = pthread_join(thread, &status); |
| 75 | if (ret != 0) { |
| 76 | perror("pthread_join"); |
| 77 | goto error; |
| 78 | } |
| 79 | |
| 80 | return 0; |
| 81 | |
| 82 | error: |
| 83 | return 1; |
| 84 | } |