1 // RUN: %libomp-compile-and-run | %sort-threads | FileCheck %s
2 // REQUIRES: ompt
3
4 // This test checks that values stored in task_data in a barrier_begin event
5 // are still present in the corresponding barrier_end event.
6 // Therefore, callback implementations different from the ones in callback.h are neccessary.
7 // This is a test for an issue reported in
8 // https://github.com/OpenMPToolsInterface/LLVM-openmp/issues/39
9
10 #define _BSD_SOURCE
11 #include <stdio.h>
12 #include <unistd.h>
13 #include <inttypes.h>
14 #include <omp.h>
15 #include <omp-tools.h>
16
17 static const char* ompt_thread_t_values[] = {
18 NULL,
19 "ompt_thread_initial",
20 "ompt_thread_worker",
21 "ompt_thread_other"
22 };
23
24 static ompt_get_unique_id_t ompt_get_unique_id;
25 static ompt_get_thread_data_t ompt_get_thread_data;
26
main()27 int main()
28 {
29 #pragma omp parallel num_threads(4)
30 {
31 #pragma omp master
32 {
33 sleep(1);
34 }
35 }
36
37
38 // Check if libomp supports the callbacks for this test.
39 // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_sync_region'
40 // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_sync_region_wait'
41
42 // CHECK: 0: NULL_POINTER=[[NULL:.*$]]
43
44 // master thread implicit barrier at parallel end
45 // CHECK: {{^}}[[MASTER_ID:[0-9]+]]: ompt_event_barrier_begin: parallel_id=0, task_id=[[TASK_ID:[0-9]+]], codeptr_ra={{0x[0-f]*}}
46 // CHECK: {{^}}[[MASTER_ID]]: ompt_event_wait_barrier_begin: parallel_id=0, task_id=[[TASK_ID]], codeptr_ra={{0x[0-f]*}}
47 // CHECK: {{^}}[[MASTER_ID]]: ompt_event_wait_barrier_end: parallel_id=0, task_id=[[TASK_ID]], codeptr_ra={{0x[0-f]*}}
48 // CHECK: {{^}}[[MASTER_ID]]: ompt_event_barrier_end: parallel_id=0, task_id=[[TASK_ID]], codeptr_ra={{0x[0-f]*}}
49
50
51 // worker thread implicit barrier at parallel end
52 // CHECK: {{^}}[[THREAD_ID:[0-9]+]]: ompt_event_barrier_begin: parallel_id=0, task_id=[[TASK_ID:[0-9]+]], codeptr_ra=[[NULL]]
53 // CHECK: {{^}}[[THREAD_ID]]: ompt_event_wait_barrier_begin: parallel_id=0, task_id=[[TASK_ID]], codeptr_ra=[[NULL]]
54 // CHECK: {{^}}[[THREAD_ID]]: ompt_event_wait_barrier_end: parallel_id=0, task_id=[[TASK_ID]], codeptr_ra=[[NULL]]
55 // CHECK: {{^}}[[THREAD_ID]]: ompt_event_barrier_end: parallel_id=0, task_id=[[TASK_ID]], codeptr_ra=[[NULL]]
56
57 return 0;
58 }
59
60 static void
on_ompt_callback_thread_begin(ompt_thread_t thread_type,ompt_data_t * thread_data)61 on_ompt_callback_thread_begin(
62 ompt_thread_t thread_type,
63 ompt_data_t *thread_data)
64 {
65 if(thread_data->ptr)
66 printf("%s\n", "0: thread_data initially not null");
67 thread_data->value = ompt_get_unique_id();
68 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);
69 }
70
71 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)72 on_ompt_callback_sync_region(
73 ompt_sync_region_t kind,
74 ompt_scope_endpoint_t endpoint,
75 ompt_data_t *parallel_data,
76 ompt_data_t *task_data,
77 const void *codeptr_ra)
78 {
79 switch(endpoint)
80 {
81 case ompt_scope_begin:
82 task_data->value = ompt_get_unique_id();
83 if (kind == ompt_sync_region_barrier_implicit)
84 printf("%" PRIu64 ": ompt_event_barrier_begin: parallel_id=%" PRIu64 ", task_id=%" PRIu64 ", codeptr_ra=%p\n", ompt_get_thread_data()->value, parallel_data->value, task_data->value, codeptr_ra);
85 break;
86 case ompt_scope_end:
87 if (kind == ompt_sync_region_barrier_implicit)
88 printf("%" PRIu64 ": ompt_event_barrier_end: parallel_id=%" PRIu64 ", task_id=%" PRIu64 ", codeptr_ra=%p\n", ompt_get_thread_data()->value, (parallel_data)?parallel_data->value:0, task_data->value, codeptr_ra);
89 break;
90 }
91 }
92
93 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)94 on_ompt_callback_sync_region_wait(
95 ompt_sync_region_t kind,
96 ompt_scope_endpoint_t endpoint,
97 ompt_data_t *parallel_data,
98 ompt_data_t *task_data,
99 const void *codeptr_ra)
100 {
101 switch(endpoint)
102 {
103 case ompt_scope_begin:
104 if (kind == ompt_sync_region_barrier_implicit)
105 printf("%" PRIu64
106 ": ompt_event_wait_barrier_begin: parallel_id=%" PRIu64
107 ", task_id=%" PRIu64 ", codeptr_ra=%p\n",
108 ompt_get_thread_data()->value, parallel_data->value,
109 task_data->value, codeptr_ra);
110 break;
111 case ompt_scope_end:
112 if (kind == ompt_sync_region_barrier_implicit)
113 printf("%" PRIu64 ": ompt_event_wait_barrier_end: parallel_id=%" PRIu64 ", task_id=%" PRIu64 ", codeptr_ra=%p\n", ompt_get_thread_data()->value, (parallel_data)?parallel_data->value:0, task_data->value, codeptr_ra);
114 break;
115 }
116 }
117
118 #define register_callback_t(name, type) \
119 do{ \
120 type f_##name = &on_##name; \
121 if (ompt_set_callback(name, (ompt_callback_t)f_##name) == \
122 ompt_set_never) \
123 printf("0: Could not register callback '" #name "'\n"); \
124 }while(0)
125
126 #define register_callback(name) register_callback_t(name, name##_t)
127
ompt_initialize(ompt_function_lookup_t lookup,ompt_data_t * tool_data)128 int ompt_initialize(
129 ompt_function_lookup_t lookup,
130 ompt_data_t *tool_data)
131 {
132 ompt_set_callback_t ompt_set_callback;
133 ompt_set_callback = (ompt_set_callback_t) lookup("ompt_set_callback");
134 ompt_get_unique_id = (ompt_get_unique_id_t) lookup("ompt_get_unique_id");
135 ompt_get_thread_data = (ompt_get_thread_data_t) lookup("ompt_get_thread_data");
136 register_callback(ompt_callback_sync_region);
137 register_callback_t(ompt_callback_sync_region_wait, ompt_callback_sync_region_t);
138 register_callback(ompt_callback_thread_begin);
139 printf("0: NULL_POINTER=%p\n", (void*)NULL);
140 return 1; //success
141 }
142
ompt_finalize(ompt_data_t * tool_data)143 void ompt_finalize(ompt_data_t *tool_data)
144 {
145 printf("0: ompt_event_runtime_shutdown\n");
146 }
147
ompt_start_tool(unsigned int omp_version,const char * runtime_version)148 ompt_start_tool_result_t* ompt_start_tool(
149 unsigned int omp_version,
150 const char *runtime_version)
151 {
152 static ompt_start_tool_result_t ompt_start_tool_result = {&ompt_initialize,&ompt_finalize, 0};
153 return &ompt_start_tool_result;
154 }
155