From 7d33c02d3f64dcfe7e3c8d5bdd66bfb375ba85c8 Mon Sep 17 00:00:00 2001 From: compudj Date: Thu, 9 Mar 2006 21:10:37 +0000 Subject: [PATCH] new ltt-usertrace git-svn-id: http://ltt.polymtl.ca/svn@1647 04897980-b3bd-0310-b5e0-8ef037075253 --- ltt-usertrace/sample-thread-fast.c | 62 ++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 ltt-usertrace/sample-thread-fast.c diff --git a/ltt-usertrace/sample-thread-fast.c b/ltt-usertrace/sample-thread-fast.c new file mode 100644 index 00000000..d98c86f5 --- /dev/null +++ b/ltt-usertrace/sample-thread-fast.c @@ -0,0 +1,62 @@ + +#include +#include +#include +#include + +#define LTT_TRACE +//this one is a non blocking sample (not #define LTT_BLOCKING 1) +#include + + +void *thr1(void *arg) +{ + printf("thread 1, thread id : %lu, pid %lu\n", pthread_self(), getpid()); + + while(1) { + trace_user_generic_string("Hello world! Have a nice day."); + sleep(2); + } + + return ((void*)1); + +} + +void *thr2(void *arg) +{ + printf("thread 2, thread id : %lu, pid %lu\n", pthread_self(), getpid()); + sleep(1); + while(1) { + trace_user_generic_string("Hello world! Have a nice day."); + sleep(2); + } + return ((void*)2); +} + + +int main() +{ + int err; + pthread_t tid1, tid2; + void *tret; + + printf("Will trace the following string : Hello world! Have a nice day.\n"); + printf("Press CTRL-C to stop.\n"); + printf("No file is created with this example : it logs through a kernel\n"); + printf("system call. See the LTTng lttctl command to start tracing.\n\n"); + + printf("thread main, thread id : %lu, pid %lu\n", pthread_self(), getpid()); + err = pthread_create(&tid1, NULL, thr1, NULL); + if(err!=0) exit(1); + + err = pthread_create(&tid2, NULL, thr2, NULL); + if(err!=0) exit(1); + + err = pthread_join(tid1, &tret); + if(err!= 0) exit(1); + + err = pthread_join(tid2, &tret); + if(err!= 0) exit(1); + + return 0; +} -- 2.34.1