PAPI_state - Man Page

C Interface:

Parameters

EventSet -- an integer handle for a PAPI event set as created by PAPI_create_eventset
status -- an integer containing a boolean combination of one or more of the following nonzero constants as defined in the PAPI header file papi.h:

• PAPI_STOPPED -- EventSet is stopped
• PAPI_RUNNING -- EventSet is running
• PAPI_PAUSED -- EventSet temporarily disabled by the library
• PAPI_NOT_INIT -- EventSet defined, but not initialized
• PAPI_OVERFLOWING -- EventSet has overflowing enabled
• PAPI_PROFILING -- EventSet has profiling enabled
• PAPI_MULTIPLEXING -- EventSet has multiplexing enabled
• PAPI_ACCUMULATING -- reserved for future use
• PAPI_HWPROFILING -- reserved for future use  

Return values

PAPI_OK
PAPI_EINVAL One or more of the arguments is invalid.
PAPI_ENOEVST The EventSet specified does not exist.  

PAPI_state() returns the counting state of the specified event set.  

Example:

int EventSet = PAPI_NULL;
int status = 0;
int ret;

ret = PAPI_create_eventset(&EventSet);
if (ret != PAPI_OK) handle_error(ret);

// Add Total Instructions Executed to our EventSet
ret = PAPI_add_event(EventSet, PAPI_TOT_INS);
if (ret != PAPI_OK) handle_error(ret);

// Start counting
ret = PAPI_state(EventSet, &status);
if (ret != PAPI_OK) handle_error(ret);
printf("State is now %d\n",status);
ret = PAPI_start(EventSet);
if (ret != PAPI_OK) handle_error(ret);
ret = PAPI_state(EventSet, &status);
if (ret != PAPI_OK) handle_error(ret);
printf("State is now %d\n",status);

See also

PAPI_stop PAPI_start

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