Some modify in my code. use getkey to pause if have additional arbitrary arguments.
same code for launch and attach by id is different. result have task event in launch application but none in attached mode.
help me on this issues please.
// Forward declaration of a thread function.
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <pthread.h>
#include <unistd.h>
#include <ittnotify.h>
__itt_domain* domain = NULL;
__itt_string_handle* handle_main = NULL;
__itt_string_handle* handle_createthread = NULL;
void* workerthread(void*);
bool g_done = false;
void init_itt(void) {
domain = __itt_domain_create("Example.Domain.Global");
handle_main = __itt_string_handle_create("main");
handle_createthread = __itt_string_handle_create("CreateThread");
}
int main(int argc, char* argv[])
{
if (argc > 1) {
printf("Any key press here \n");
getchar();
}
init_itt();
if (sizeof(void*) > 4) {
char * lib_name_64 = getenv("INTEL_LIBITTNOTIFY64");
if (lib_name_64)
printf("go env INTEL_LIBITTNOTIFY64: %s \n", lib_name_64);
else
printf("do not found env INTEL_LIBITTNOTIFY64 \n");
} else {
char * lib_name_32 = getenv("INTEL_LIBITTNOTIFY32");
if (lib_name_32)
printf("go env INTEL_LIBITTNOTIFY32: %s \n", lib_name_32);
else
printf("do not found env INTEL_LIBITTNOTIFY32 \n");
}
__itt_task_begin(domain, __itt_null, __itt_null, handle_main);
printf("Main task begins\n");
int av = __itt_collection_state();
printf("collector state %d\n", av);
// Now we'll create 4 worker threads
pthread_t threads[4];
for (int i = 0; i < 4; i++)
{
__itt_task_begin(domain, __itt_null, __itt_null, handle_createthread);
printf("Creating worker thread %d\n", i);
int ret = pthread_create(&threads[i], NULL, workerthread, (void*)i);
if (ret != 0)
{
printf("Failed to create worker thread %d\n", i);
exit(1);
}
__itt_task_end(domain);
}
// Wait a while,...
sleep(10);
g_done = true;
__itt_task_end(domain);
// Mark the end of the main task
printf("Main task ends\n");
return 1;
}
__itt_string_handle* handle_work = __itt_string_handle_create("work");
void* workerthread(void* data)
{
char threadname[32];
sprintf(threadname, "Worker Thread %p", data);
printf("%s begins\n", threadname);
while (!g_done)
{
__itt_task_begin(domain, __itt_null, __itt_null, handle_work);
printf("%s is working\n", threadname);
usleep(150000);
__itt_task_end(domain);
}
printf("%s ends\n", threadname);
return NULL;
}
