1// RUN: %libomp-compile-and-run | FileCheck %s
2// REQUIRES: ompt
3
4#include "callback.h"
5#include <omp.h>
6
7
8__attribute__ ((noinline)) // workaround for bug in icc
9void print_task_info_at(int ancestor_level, int id)
10{
11#pragma omp critical
12 {
13 int task_type;
14 char buffer[2048];
15 ompt_data_t *parallel_data;
16 ompt_data_t *task_data;
17 int thread_num;
18 ompt_get_task_info(ancestor_level, &task_type, &task_data, NULL,
19 &parallel_data, &thread_num);
20 format_task_type(task_type, buffer);
21 printf("%" PRIu64 ": ancestor_level=%d id=%d task_type=%s=%d "
22 "parallel_id=%" PRIu64 " task_id=%" PRIu64
23 " thread_num=%d\n",
24 ompt_get_thread_data()->value, ancestor_level, id, buffer,
25 task_type, parallel_data->value, task_data->value, thread_num);
26 }
27};
28
29int main()
30{
31
32#pragma omp parallel num_threads(2)
33 {
34
35 if (omp_get_thread_num() == 1) {
36 // To assert that task is executed by the worker thread,
37 // if(0) is used in order to ensure that the task is immediately
38 // executed after its creation.
39#pragma omp task if(0)
40 {
41 // thread_num should be equal to 1 for both explicit and implicit task
42 print_task_info_at(ancestor_level: 0, id: 1);
43 print_task_info_at(ancestor_level: 1, id: 0);
44 };
45 }
46 }
47
48 // Check if libomp supports the callbacks for this test.
49 // CHECK-NOT: {{^}}0: Could not register callback 'ompt_event_parallel_begin'
50 // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_task_create'
51 // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_implicit_task'
52
53 // CHECK: {{^}}0: NULL_POINTER=[[NULL:.*$]]
54 // CHECK: {{^}}[[MASTER_ID:[0-9]+]]: ompt_event_initial_task_begin
55
56 // parallel region used only to determine worker thread id
57 // CHECK: {{^}}[[MASTER_ID]]: ompt_event_parallel_begin
58 // CHECK: {{^}}[[WID:[0-9]+]]: ompt_event_implicit_task{{.*}}thread_num=1
59
60 // thread_num must be equal to 1 for both explicit and the implicit tasks
61 // CHECK: {{^}}[[WID]]: ancestor_level=0 id=1 task_type=ompt_task_explicit
62 // CHECK-SAME: thread_num=1
63 // CHECK: {{^}}[[WID]]: ancestor_level=1 id=0 task_type=ompt_task_implicit
64 // CHECK-SAME: thread_num=1
65
66 return 0;
67}
68

source code of openmp/runtime/test/ompt/tasks/explicit_task_thread_num.c