PAPI_state(3)

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 %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

Author
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