task_memory.c
3.95 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
// RUN: %libomp-compile-and-run | FileCheck %s
// REQUIRES: ompt
// UNSUPPORTED: gcc-4, gcc-5, gcc-6, gcc-7
#define USE_PRIVATE_TOOL 1
#include "callback.h"
#include <omp.h>
int main() {
int x;
#pragma omp parallel num_threads(2)
{
#pragma omp master
{
#pragma omp task
{ x++; }
#pragma omp task firstprivate(x)
{ x++; }
}
}
return 0;
}
static void on_ompt_callback_implicit_task(ompt_scope_endpoint_t endpoint,
ompt_data_t *parallel_data,
ompt_data_t *task_data,
unsigned int team_size,
unsigned int thread_num, int flag) {
void *addr = NULL;
size_t size = 0;
int result = ompt_get_task_memory(&addr, &size, 0);
switch (endpoint) {
case ompt_scope_begin:
task_data->value = ompt_get_unique_id();
printf("ompt_event_implicit_task_begin: task_id=%" PRIu64
", memory_addr=%p, memory_size=%lu, result=%d \n",
task_data->value, addr, size, result);
break;
case ompt_scope_end:
printf("ompt_event_implicit_task_end: task_id=%" PRIu64
", memory_addr=%p, memory_size=%lu, result=%d \n",
task_data->value, addr, size, result);
break;
}
}
static void
on_ompt_callback_task_create(ompt_data_t *encountering_task_data,
const ompt_frame_t *encountering_task_frame,
ompt_data_t *new_task_data, int flags,
int has_dependences, const void *codeptr_ra) {
if (flags & ompt_task_initial)
return; // not interested in the initial task
new_task_data->value = ompt_get_unique_id();
void *addr = NULL;
size_t size = 0;
printf("ompt_event_task_create: task_id=%" PRIu64 "\n", new_task_data->value);
}
static void on_ompt_callback_task_schedule(ompt_data_t *first_task_data,
ompt_task_status_t prior_task_status,
ompt_data_t *second_task_data) {
void *addr = NULL;
size_t size = 0;
int result = ompt_get_task_memory(&addr, &size, 0);
printf("ompt_event_task_schedule: task_id=%" PRIu64
", memory_addr=%p, memory_size=%lu, result=%d\n",
first_task_data->value, addr, size, result);
}
int ompt_initialize(ompt_function_lookup_t lookup, int initial_device_num,
ompt_data_t *tool_data) {
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_task_memory = (ompt_get_task_memory_t)lookup("ompt_get_task_memory");
register_callback(ompt_callback_implicit_task);
register_callback(ompt_callback_task_create);
register_callback(ompt_callback_task_schedule);
printf("0: NULL_POINTER=%p\n", (void *)NULL);
return 1; // success
}
void ompt_finalize(ompt_data_t *tool_data) {}
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;
}
// CHECK: {{^}}0: NULL_POINTER=[[NULL:.*$]]
// CHECK: ompt_event_implicit_task_begin: task_id=[[TASK_ID:[0-9]+]]
// CHECK-SAME: memory_addr=[[NULL]], memory_size=0, result=0
// CHECK: ompt_event_task_create: task_id=[[TASK_ID_0:[0-9]+]]
// CHECK: ompt_event_task_create: task_id=[[TASK_ID_1:[0-9]+]]
// Expects non-zero address, size, and result
// CHECK-DAG: ompt_event_task_schedule: task_id=[[TASK_ID_0]],
// memory_addr=0x{{[0-f]+}}, memory_size={{[1-9][0-9]*}}, result=1
// CHECK-DAG: ompt_event_task_schedule: task_id=[[TASK_ID_1]],
// memory_addr=0x{{[0-f]+}}, memory_size={{[1-9][0-9]*}}, result=1
// CHECK: ompt_event_implicit_task_end: task_id=[[TASK_ID]]
// CHECK-SAME: memory_addr=[[NULL]], memory_size=0, result=0