openmp/runtime/test/ompt/parallel/not_enough_threads.c

   1 // RUN: %libomp-compile && env OMP_THREAD_LIMIT=2 %libomp-run | FileCheck %s
   2 // RUN: %libomp-compile && env OMP_THREAD_LIMIT=2 %libomp-run | %sort-threads \
   3 // RUN:     | FileCheck --check-prefix=THREADS %s
   4
   5 // REQUIRES: ompt
   6
   7 #include "callback.h"
   8
   9 int main() {
  10 #pragma omp parallel num_threads(4)
  11   {
  12     print_ids(0);
  13     print_ids(1);
  14   }
  15   print_fuzzy_address(1);
  16
  17   // Check if libomp supports the callbacks for this test.
  18   // CHECK-NOT: {{^}}0: Could not register callback
  19
  20   // Make sure initial data pointers are null.
  21   // CHECK-NOT: 0: parallel_data initially not null
  22   // CHECK-NOT: 0: task_data initially not null
  23   // CHECK-NOT: 0: thread_data initially not null
  24
  25   // Only check callback names, arguments are verified in THREADS below.
  26   // CHECK: {{^}}[[MASTER_ID:[0-9]+]]: ompt_event_parallel_begin
  27
  28   // CHECK-DAG: {{^}}[[MASTER_ID]]: ompt_event_implicit_task_begin
  29   // CHECK-DAG: {{^}}[[MASTER_ID]]: ompt_event_implicit_task_end
  30
  31   // Note that we cannot ensure that the worker threads have already called
  32   // barrier_end and implicit_task_end before parallel_end!
  33
  34   // CHECK-DAG: {{^}}[[THREAD_ID:[0-9]+]]: ompt_event_implicit_task_begin
  35   // CHECK-DAG: {{^}}[[THREAD_ID]]: ompt_event_barrier_implicit_parallel_begin
  36
  37   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_parallel_end
  38
  39   // THREADS: 0: NULL_POINTER=[[NULL:.*$]]
  40   // THREADS: {{^}}[[MASTER_ID:[0-9]+]]: ompt_event_thread_begin
  41   // THREADS-SAME: thread_type=ompt_thread_initial=1, thread_id=[[MASTER_ID]]
  42   // THREADS: {{^}}[[MASTER_ID]]: ompt_event_parallel_begin
  43   // THREADS-SAME: parent_task_id=[[PARENT_TASK_ID:[0-9]+]]
  44   // THREADS-SAME: parent_task_frame.exit=[[NULL]]
  45   // THREADS-SAME: parent_task_frame.reenter={{0x[0-f]+}}
  46   // THREADS-SAME: parallel_id=[[PARALLEL_ID:[0-9]+]], requested_team_size=4
  47   // THREADS-SAME: codeptr_ra=[[RETURN_ADDRESS:0x[0-f]+]]{{[0-f][0-f]}}
  48
  49   // THREADS: {{^}}[[MASTER_ID]]: ompt_event_implicit_task_begin
  50   // THREADS-SAME: parallel_id=[[PARALLEL_ID]]
  51   // THREADS-SAME: task_id=[[IMPLICIT_TASK_ID:[0-9]+]]
  52   // THREADS: {{^}}[[MASTER_ID]]: task level 0
  53   // THREADS-SAME: parallel_id=[[PARALLEL_ID]], task_id=[[IMPLICIT_TASK_ID]]
  54   // THREADS: {{^}}[[MASTER_ID]]: task level 1
  55   // THREADS-SAME: parallel_id=[[IMPLICIT_PARALLEL_ID:[0-9]+]]
  56   // THREADS-SAME: task_id=[[PARENT_TASK_ID]]
  57
  58   // THREADS-NOT: {{^}}[[MASTER_ID]]: ompt_event_implicit_task_end
  59   // THREADS: {{^}}[[MASTER_ID]]: ompt_event_barrier_implicit_parallel_begin
  60   // THREADS-SAME: parallel_id=[[PARALLEL_ID]], task_id=[[IMPLICIT_TASK_ID]]
  61   // parallel_id is 0 because the region ended in the barrier!
  62   // THREADS: {{^}}[[MASTER_ID]]: ompt_event_barrier_implicit_parallel_end
  63   // THREADS-SAME: parallel_id=0, task_id=[[IMPLICIT_TASK_ID]]
  64   // THREADS: {{^}}[[MASTER_ID]]: ompt_event_implicit_task_end
  65   // THREADS-SAME: parallel_id=0, task_id=[[IMPLICIT_TASK_ID]]
  66   // THREADS: {{^}}[[MASTER_ID]]: ompt_event_parallel_end
  67   // THREADS-SAME: parallel_id=[[PARALLEL_ID]], task_id=[[PARENT_TASK_ID]]
  68   // THREADS: {{^}}[[MASTER_ID]]: fuzzy_address={{.*}}[[RETURN_ADDRESS]]
  69
  70   // THREADS: {{^}}[[THREAD_ID:[0-9]+]]: ompt_event_thread_begin
  71   // THREADS-SAME: thread_type=ompt_thread_worker=2, thread_id=[[THREAD_ID]]
  72   // THREADS: {{^}}[[THREAD_ID]]: ompt_event_implicit_task_begin
  73   // THREADS-SAME: parallel_id=[[PARALLEL_ID]]
  74   // THREADS-SAME: task_id=[[IMPLICIT_TASK_ID:[0-9]+]]
  75   // THREADS: {{^}}[[THREAD_ID]]: task level 0
  76   // THREADS-SAME: parallel_id=[[PARALLEL_ID]], task_id=[[IMPLICIT_TASK_ID]]
  77   // THREADS: {{^}}[[THREAD_ID]]: task level 1
  78   // THREADS-SAME: parallel_id=[[IMPLICIT_PARALLEL_ID]]
  79   // THREADS-SAME: task_id=[[PARENT_TASK_ID]]
  80   // THREADS-NOT: {{^}}[[THREAD_ID]]: ompt_event_implicit_task_end
  81   // THREADS: {{^}}[[THREAD_ID]]: ompt_event_barrier_implicit_parallel_begin
  82   // THREADS-SAME: parallel_id=[[PARALLEL_ID]], task_id=[[IMPLICIT_TASK_ID]]
  83   // parallel_id is 0 because the region ended in the barrier!
  84   // THREADS: {{^}}[[THREAD_ID]]: ompt_event_barrier_implicit_parallel_end
  85   // THREADS-SAME: parallel_id=0, task_id=[[IMPLICIT_TASK_ID]]
  86   // THREADS: {{^}}[[THREAD_ID]]: ompt_event_implicit_task_end
  87   // THREADS-SAME: parallel_id=0, task_id=[[IMPLICIT_TASK_ID]]
  88
  89   return 0;
  90 }