OMPT_API_ROUTINE ompt_state_t ompt_get_state(ompt_wait_id_t *ompt_wait_id)
{
ompt_state_t thread_state = __ompt_get_state_internal(ompt_wait_id);
if (thread_state == ompt_state_undefined) {
thread_state = ompt_state_work_serial;
}
return thread_state;
}
static ompt_start_tool_result_t *
ompt_try_start_tool(unsigned int omp_version, const char *runtime_version) {
ompt_start_tool_result_t *ret = NULL;
ompt_start_tool_t start_tool = NULL;
#if KMP_OS_WINDOWS
// Cannot use colon to describe a list of absolute paths on Windows
const char *sep = ";";
#else
const char *sep = ":";
#endif
#if KMP_OS_DARWIN
// Try in the current address space
ret = ompt_tool_darwin(omp_version, runtime_version);
#elif OMPT_HAVE_WEAK_ATTRIBUTE
ret = ompt_start_tool(omp_version, runtime_version);
#elif OMPT_HAVE_PSAPI
ret = ompt_tool_windows(omp_version, runtime_version);
#else
#error Activation of OMPT is not supported on this platform.
#endif
if (ret)
return ret;
// Try tool-libraries-var ICV
const char *tool_libs = getenv("OMP_TOOL_LIBRARIES");
if (tool_libs) {
char *libs = __kmp_str_format("%s", tool_libs);
char *buf;
char *fname = __kmp_str_token(libs, sep, &buf);
while (fname) {
#if KMP_OS_UNIX
void *h = dlopen(fname, RTLD_LAZY);
if (h) {
start_tool = (ompt_start_tool_t)dlsym(h, "ompt_start_tool");
#elif KMP_OS_WINDOWS
HMODULE h = LoadLibrary(fname);
if (h) {
start_tool = (ompt_start_tool_t)GetProcAddress(h, "ompt_start_tool");
#else
#error Activation of OMPT is not supported on this platform.
#endif
if (start_tool && (ret = (*start_tool)(omp_version, runtime_version)))
break;
}
fname = __kmp_str_token(NULL, sep, &buf);
}
__kmp_str_free(&libs);
}
return ret;
}
void ompt_pre_init() {
//--------------------------------------------------
// Execute the pre-initialization logic only once.
//--------------------------------------------------
static int ompt_pre_initialized = 0;
if (ompt_pre_initialized)
return;
ompt_pre_initialized = 1;
//--------------------------------------------------
// Use a tool iff a tool is enabled and available.
//--------------------------------------------------
const char *ompt_env_var = getenv("OMP_TOOL");
tool_setting_e tool_setting = omp_tool_error;
if (!ompt_env_var || !strcmp(ompt_env_var, ""))
tool_setting = omp_tool_unset;
else if (OMPT_STR_MATCH(ompt_env_var, "disabled"))
tool_setting = omp_tool_disabled;
else if (OMPT_STR_MATCH(ompt_env_var, "enabled"))
tool_setting = omp_tool_enabled;
#if OMPT_DEBUG
printf("ompt_pre_init(): tool_setting = %d\n", tool_setting);
#endif
switch (tool_setting) {
case omp_tool_disabled:
break;
case omp_tool_unset:
case omp_tool_enabled:
//--------------------------------------------------
// Load tool iff specified in environment variable
//--------------------------------------------------
ompt_start_tool_result =
ompt_try_start_tool(__kmp_openmp_version, ompt_get_runtime_version());
memset(&ompt_enabled, 0, sizeof(ompt_enabled));
break;
case omp_tool_error:
fprintf(stderr, "Warning: OMP_TOOL has invalid value \"%s\".\n"
" legal values are (NULL,\"\",\"disabled\","
"\"enabled\").\n",
ompt_env_var);
break;
}
#if OMPT_DEBUG
printf("ompt_pre_init(): ompt_enabled = %d\n", ompt_enabled);
#endif
}
void ompt_post_init() {
//--------------------------------------------------
// Execute the post-initialization logic only once.
//--------------------------------------------------
static int ompt_post_initialized = 0;
if (ompt_post_initialized)
return;
ompt_post_initialized = 1;
//--------------------------------------------------
// Initialize the tool if so indicated.
//--------------------------------------------------
if (ompt_start_tool_result) {
ompt_enabled.enabled = !!ompt_start_tool_result->initialize(
ompt_fn_lookup, &(ompt_start_tool_result->tool_data));
if (!ompt_enabled.enabled) {
// tool not enabled, zero out the bitmap, and done
memset(&ompt_enabled, 0, sizeof(ompt_enabled));
return;
}
ompt_thread_t *root_thread = ompt_get_thread();
ompt_set_thread_state(root_thread, omp_state_overhead);
if (ompt_enabled.ompt_callback_thread_begin) {
ompt_callbacks.ompt_callback(ompt_callback_thread_begin)(
ompt_thread_initial, __ompt_get_thread_data_internal());
}
ompt_data_t *task_data;
__ompt_get_task_info_internal(0, NULL, &task_data, NULL, NULL, NULL);
if (ompt_enabled.ompt_callback_task_create) {
ompt_callbacks.ompt_callback(ompt_callback_task_create)(
NULL, NULL, task_data, ompt_task_initial, 0, NULL);
}
ompt_set_thread_state(root_thread, omp_state_work_serial);
}
}
void ompt_fini() {
if (ompt_enabled.enabled) {
ompt_start_tool_result->finalize(&(ompt_start_tool_result->tool_data));
}
memset(&ompt_enabled, 0, sizeof(ompt_enabled));
}
/*****************************************************************************
* interface operations
****************************************************************************/
/*****************************************************************************
* state
****************************************************************************/
OMPT_API_ROUTINE int ompt_enumerate_states(int current_state, int *next_state,
const char **next_state_name) {
const static int len = sizeof(omp_state_info) / sizeof(omp_state_info_t);
int i = 0;
for (i = 0; i < len - 1; i++) {
if (omp_state_info[i].state_id == current_state) {
*next_state = omp_state_info[i + 1].state_id;
*next_state_name = omp_state_info[i + 1].state_name;
return 1;
}
}
return 0;
}
OMPT_API_ROUTINE int ompt_enumerate_mutex_impls(int current_impl,
int *next_impl,
const char **next_impl_name) {
const static int len =
sizeof(kmp_mutex_impl_info) / sizeof(kmp_mutex_impl_info_t);
int i = 0;
for (i = 0; i < len - 1; i++) {
if (kmp_mutex_impl_info[i].id != current_impl)
continue;
*next_impl = kmp_mutex_impl_info[i + 1].id;
*next_impl_name = kmp_mutex_impl_info[i + 1].name;
return 1;
}
return 0;
}
/*****************************************************************************
* callbacks
****************************************************************************/
OMPT_API_ROUTINE int ompt_set_callback(ompt_callbacks_t which,
ompt_callback_t callback) {
switch (which) {
#define ompt_event_macro(event_name, callback_type, event_id) \
case event_name: \
if (ompt_event_implementation_status(event_name)) { \
ompt_callbacks.ompt_callback(event_name) = (callback_type)callback; \
ompt_enabled.event_name = (callback != 0); \
} \
if (callback) \
return ompt_event_implementation_status(event_name); \
else \
return ompt_set_always;
FOREACH_OMPT_EVENT(ompt_event_macro)
#undef ompt_event_macro
default:
return ompt_set_error;
}
}
OMPT_API_ROUTINE int ompt_get_callback(ompt_callbacks_t which,
ompt_callback_t *callback) {
switch (which) {
#define ompt_event_macro(event_name, callback_type, event_id) \
case event_name: \
if (ompt_event_implementation_status(event_name)) { \
ompt_callback_t mycb = \
(ompt_callback_t)ompt_callbacks.ompt_callback(event_name); \
if (mycb) { \
*callback = mycb; \
return ompt_get_callback_success; \
} \
} \
return ompt_get_callback_failure;
FOREACH_OMPT_EVENT(ompt_event_macro)
#undef ompt_event_macro
default:
return ompt_get_callback_failure;
}
}
/*****************************************************************************
* parallel regions
****************************************************************************/
OMPT_API_ROUTINE int ompt_get_parallel_info(int ancestor_level,
ompt_data_t **parallel_data,
int *team_size) {
return __ompt_get_parallel_info_internal(ancestor_level, parallel_data,
team_size);
}
OMPT_API_ROUTINE omp_state_t ompt_get_state(omp_wait_id_t *wait_id) {
omp_state_t thread_state = __ompt_get_state_internal(wait_id);
if (thread_state == omp_state_undefined) {
thread_state = omp_state_work_serial;
}
return thread_state;
}
