// RUN: %libomp-compile-and-run | %sort-threads | FileCheck %s
// REQUIRES: ompt
// This test checks that values stored in task_data in a barrier_begin event
// are still present in the corresponding barrier_end event.
// Therefore, callback implementations different from the ones in callback.h are necessary.
// This is a test for an issue reported in
// https://github.com/OpenMPToolsInterface/LLVM-openmp/issues/39
#define _BSD_SOURCE
#include <stdio.h>
#include <unistd.h>
#include <inttypes.h>
#include <omp.h>
#include <omp-tools.h>
static const char* ompt_thread_t_values[] = {
NULL,
"ompt_thread_initial",
"ompt_thread_worker",
"ompt_thread_other"
};
static ompt_get_unique_id_t ompt_get_unique_id;
static ompt_get_thread_data_t ompt_get_thread_data;
int main()
{
#pragma omp parallel num_threads(4)
{
#pragma omp master
{
sleep(1);
}
}
// clang-format off
// Check if libomp supports the callbacks for this test.
// CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_sync_region'
// CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_sync_region_wait'
// CHECK: 0: NULL_POINTER=[[NULL:.*$]]
// master thread implicit barrier at parallel end
// CHECK: {{^}}[[MASTER_ID:[0-9]+]]: ompt_event_barrier_implicit_parallel_begin: parallel_id=0, task_id=[[TASK_ID:[0-9]+]], codeptr_ra={{0x[0-f]*}}
// CHECK: {{^}}[[MASTER_ID]]: ompt_event_wait_barrier_implicit_parallel_begin: parallel_id=0, task_id=[[TASK_ID]], codeptr_ra={{0x[0-f]*}}
// CHECK: {{^}}[[MASTER_ID]]: ompt_event_wait_barrier_implicit_parallel_end: parallel_id=0, task_id=[[TASK_ID]], codeptr_ra={{0x[0-f]*}}
// CHECK: {{^}}[[MASTER_ID]]: ompt_event_barrier_implicit_parallel_end: parallel_id=0, task_id=[[TASK_ID]], codeptr_ra={{0x[0-f]*}}
// worker thread implicit barrier at parallel end
// CHECK: {{^}}[[THREAD_ID:[0-9]+]]: ompt_event_barrier_implicit_parallel_begin: parallel_id=0, task_id=[[TASK_ID:[0-9]+]], codeptr_ra=[[NULL]]
// CHECK: {{^}}[[THREAD_ID]]: ompt_event_wait_barrier_implicit_parallel_begin: parallel_id=0, task_id=[[TASK_ID]], codeptr_ra=[[NULL]]
// CHECK: {{^}}[[THREAD_ID]]: ompt_event_wait_barrier_implicit_parallel_end: parallel_id=0, task_id=[[TASK_ID]], codeptr_ra=[[NULL]]
// CHECK: {{^}}[[THREAD_ID]]: ompt_event_barrier_implicit_parallel_end: parallel_id=0, task_id=[[TASK_ID]], codeptr_ra=[[NULL]]
// clang-format on
return 0;
}
static void
on_ompt_callback_thread_begin(
ompt_thread_t thread_type,
ompt_data_t *thread_data)
{
if(thread_data->ptr)
printf("%s\n", "0: thread_data initially not null");
thread_data->value = ompt_get_unique_id();
printf("%" PRIu64 ": ompt_event_thread_begin: thread_type=%s=%d, thread_id=%" PRIu64 "\n", ompt_get_thread_data()->value, ompt_thread_t_values[thread_type], thread_type, thread_data->value);
}
static void
on_ompt_callback_sync_region(
ompt_sync_region_t kind,
ompt_scope_endpoint_t endpoint,
ompt_data_t *parallel_data,
ompt_data_t *task_data,
const void *codeptr_ra)
{
// We only expect implicit parallel barrier in this code.
if (kind != ompt_sync_region_barrier_implicit_parallel) {
printf("unexpected ompt_sync_region_t passed to %s\n", __func__);
exit(-1);
}
const char *event_name = NULL;
if (endpoint == ompt_scope_begin) {
event_name = "ompt_event_barrier_implicit_parallel_begin";
task_data->value = ompt_get_unique_id();
} else if (endpoint == ompt_scope_end) {
event_name = "ompt_event_barrier_implicit_parallel_end";
} else {
printf("ompt_scope_beginend should never be passed to %s\n", __func__);
exit(-1);
}
printf("%" PRIu64 ": %s: parallel_id=%" PRIu64 ", task_id=%" PRIu64
", codeptr_ra=%p\n",
ompt_get_thread_data()->value, event_name,
parallel_data ? parallel_data->value : 0, task_data->value,
codeptr_ra);
}
static void
on_ompt_callback_sync_region_wait(
ompt_sync_region_t kind,
ompt_scope_endpoint_t endpoint,
ompt_data_t *parallel_data,
ompt_data_t *task_data,
const void *codeptr_ra)
{
if (kind != ompt_sync_region_barrier_implicit_parallel) {
printf("unexpected ompt_sync_region_t passed to %s\n", __func__);
exit(-1);
}
const char *event_name = NULL;
if (endpoint == ompt_scope_begin) {
event_name = "ompt_event_wait_barrier_implicit_parallel_begin";
} else if (endpoint == ompt_scope_end) {
event_name = "ompt_event_wait_barrier_implicit_parallel_end";
} else {
printf("ompt_scope_beginend should never be passed to %s\n", __func__);
exit(-1);
}
printf("%" PRIu64 ": %s: parallel_id=%" PRIu64 ", task_id=%" PRIu64
", codeptr_ra=%p\n",
ompt_get_thread_data()->value, event_name,
parallel_data ? parallel_data->value : 0, task_data->value,
codeptr_ra);
}
#define register_ompt_callback_t(name, type) \
do{ \
type f_##name = &on_##name; \
if (ompt_set_callback(name, (ompt_callback_t)f_##name) == \
ompt_set_never) \
printf("0: Could not register callback '" #name "'\n"); \
}while(0)
#define register_ompt_callback(name) register_ompt_callback_t(name, name##_t)
int ompt_initialize(ompt_function_lookup_t lookup, int initial_device_num,
ompt_data_t *tool_data) {
ompt_set_callback_t ompt_set_callback;
ompt_set_callback = (ompt_set_callback_t) lookup("ompt_set_callback");
ompt_get_unique_id = (ompt_get_unique_id_t) lookup("ompt_get_unique_id");
ompt_get_thread_data = (ompt_get_thread_data_t) lookup("ompt_get_thread_data");
register_ompt_callback(ompt_callback_sync_region);
register_ompt_callback_t(ompt_callback_sync_region_wait, ompt_callback_sync_region_t);
register_ompt_callback(ompt_callback_thread_begin);
printf("0: NULL_POINTER=%p\n", (void*)NULL);
return 1; //success
}
void ompt_finalize(ompt_data_t *tool_data)
{
printf("0: ompt_event_runtime_shutdown\n");
}
ompt_start_tool_result_t* ompt_start_tool(
unsigned int omp_version,
const char *runtime_version)
{
static ompt_start_tool_result_t ompt_start_tool_result = {&ompt_initialize,&ompt_finalize, 0};
return &ompt_start_tool_result;
}
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