PAPIF_query_event(3) PAPI PAPIF_query_event(3)NAME
PAPIF_query_event -
Query if PAPI event exists.
SYNOPSIS Detailed Description
Fortran Interface:
#include 'fpapi.h'
PAPIF_query_event(C_INT EventCode, C_INT check )
See Also:
PAPI_query_event
Author
Generated automatically by Doxygen for PAPI from the source code.
Version 5.2.0.0 Tue Jun 17 2014 PAPIF_query_event(3)
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PAPI_read_counters(3) PAPI PAPI_read_counters(3)NAME
PAPI_read_counters -
Read and reset counters.
SYNOPSIS Detailed Description
@par C Interface:
int PAPI_read_counters( long long *values, int array_len );
Parameters:
*values an array to hold the counter values of the counting events
arry_len the number of items in the *events array
Precondition:
These calls assume an initialized PAPI library and a properly added event set.
Postcondition:
The counters are reset and left running after the call.
Return values:
PAPI_EINVAL One or more of the arguments is invalid.
PAPI_ESYS A system or C library call failed inside PAPI, see the errno variable.
PAPI_read_counters() copies the event counters into the array *values.
do_100events();
if ( PAPI_read_counters( values, num_hwcntrs ) != PAPI_OK )
handlw_error(1);
// values[0] now equals 100
do_100events();
if ( PAPI_accum_counters( values, num_hwcntrs ) != PAPI_OK )
handle_error(1);
// values[0] now equals 200
values[0] = -100;
do_100events();
if ( PAPI_accum_counters(values, num_hwcntrs ) != PAPI_OK )
handle_error();
// values[0] now equals 0
*
See Also:
PAPI_set_opt() PAPI_start_counters()
Fortran Interface:
#include 'fpapi.h'
PAPIF_read_counters( C_LONG_LONG(*) values, C_INT array_len, C_INT check )
See Also:
PAPI_read_counters
Author
Generated automatically by Doxygen for PAPI from the source code.
Version 5.2.0.0 Tue Jun 17 2014 PAPI_read_counters(3)
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