openmp/runtime/test/ompt/tasks/taskyield.c

   1 // RUN: %libomp-compile-and-run | %sort-threads | FileCheck %s
   2 // REQUIRES: ompt
   3 // Current GOMP interface implements taskyield as stub
   4 // XFAIL: gcc
   5
   6 #include "callback.h"
   7 #include <omp.h>
   8 #include <unistd.h>
   9
  10 int main()
  11 {
  12   int condition=0, x=0;
  13   #pragma omp parallel num_threads(2)
  14   {
  15     #pragma omp master
  16     {
  17         #pragma omp task shared(condition)
  18         {
  19           OMPT_SIGNAL(condition);
  20           OMPT_WAIT(condition,2);
  21         }
  22         OMPT_WAIT(condition,1);
  23         #pragma omp task shared(x)
  24         {
  25           x++;
  26         }
  27         printf("%" PRIu64 ": before yield\n", ompt_get_thread_data()->value);
  28         #pragma omp taskyield
  29         printf("%" PRIu64 ": after yield\n", ompt_get_thread_data()->value);
  30         OMPT_SIGNAL(condition);
  31     }
  32   }
  33
  34
  35   // Check if libomp supports the callbacks for this test.
  36   // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_task_create'
  37   // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_task_schedule'
  38   // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_implicit_task'
  39
  40
  41   // CHECK: {{^}}0: NULL_POINTER=[[NULL:.*$]]
  42
  43   // make sure initial data pointers are null
  44   // CHECK-NOT: 0: new_task_data initially not null
  45
  46   // CHECK: {{^}}[[MASTER_ID:[0-9]+]]: ompt_event_implicit_task_begin: parallel_id={{[0-9]+}}, task_id=[[IMPLICIT_TASK_ID:[0-9]+]], team_size={{[0-9]+}}, thread_num={{[0-9]+}}
  47
  48   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_task_create: parent_task_id={{[0-9]+}}, parent_task_frame.exit={{0x[0-f]+}}, parent_task_frame.reenter={{0x[0-f]+}}, new_task_id=[[WORKER_TASK:[0-9]+]], codeptr_ra={{0x[0-f]+}}, task_type=ompt_task_explicit=4, has_dependences=no
  49   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_task_create: parent_task_id={{[0-9]+}}, parent_task_frame.exit={{0x[0-f]+}}, parent_task_frame.reenter={{0x[0-f]+}}, new_task_id=[[MAIN_TASK:[0-9]+]], codeptr_ra={{0x[0-f]+}}, task_type=ompt_task_explicit=4, has_dependences=no
  50
  51   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_task_schedule: first_task_id=[[IMPLICIT_TASK_ID]], second_task_id=[[MAIN_TASK]], prior_task_status=ompt_task_yield=2
  52   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_task_schedule: first_task_id=[[MAIN_TASK]], second_task_id=[[IMPLICIT_TASK_ID]], prior_task_status=ompt_task_complete=1
  53
  54   // CHECK: {{^}}[[THREAD_ID:[0-9]+]]: ompt_event_task_schedule: first_task_id={{[0-9]+}}, second_task_id=[[WORKER_TASK]], prior_task_status=ompt_task_switch=7
  55   // CHECK: {{^}}[[THREAD_ID]]: ompt_event_task_schedule: first_task_id=[[WORKER_TASK]], second_task_id={{[0-9]+}}, prior_task_status=ompt_task_complete=1
  56
  57
  58
  59
  60
  61   return 0;
  62 }