PAPI_state

NAME

PAPI_state -

Return the counting state of an EventSet.

SYNOPSIS

Detailed Description

C Interface:

#include <papi.h>
int PAPI_state( int EventSet, int * status );

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 %d0,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 %d0,status);

See Also:

PAPI_stop PAPI_start

Author

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