/*
* File: overflow_one_and_read.c : based on overflow_twoevents.c
* Mods: Philip Mucci
* mucci@cs.utk.edu
* Kevin London
* london@cs.utk.edu
*/
/* This file performs the following test: overflow dispatch on 1 counter.
* In the handler read events.
*/
#include <stdio.h>
#include <stdlib.h>
#include "papi.h"
#include "papi_test.h"
#include "do_loops.h"
#define OVER_FMT "handler(%d) Overflow at %p! vector=%#llx\n"
#define OUT_FMT "%-12s : %16lld%16lld\n"
typedef struct
{
long long mask;
int count;
} ocount_t;
/* there are three possible vectors, one counter overflows, the other
counter overflows, both overflow */
/*not used*/ ocount_t overflow_counts[3] = { {0, 0}, {0, 0}, {0, 0} };
/*not used*/ int total_unknown = 0;
/*added*/ long long dummyvalues[2];
void
handler( int EventSet, void *address, long long overflow_vector, void *context )
{
int retval;
( void ) context;
if ( !TESTS_QUIET ) {
fprintf( stderr, OVER_FMT, EventSet, address, overflow_vector );
}
if ( ( retval = PAPI_read( EventSet, dummyvalues ) ) != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_read", retval );
if ( !TESTS_QUIET ) {
fprintf( stderr, TWO12, dummyvalues[0], dummyvalues[1],
"(Reading counters)\n" );
}
if ( dummyvalues[1] == 0 )
test_fail( __FILE__, __LINE__, "Total Cycles == 0", 1 );
}
int
main( int argc, char **argv )
{
int EventSet;
long long **values = NULL;
int retval;
int PAPI_event;
char event_name[PAPI_MAX_STR_LEN];
int num_events1, mask1;
int quiet;
/* Set TESTS_QUIET variable */
quiet=tests_quiet( argc, argv );
retval = PAPI_library_init( PAPI_VER_CURRENT );
if ( retval != PAPI_VER_CURRENT ) {
test_fail( __FILE__, __LINE__, "PAPI_library_init", retval );
}
/* add PAPI_TOT_CYC and one of the events in PAPI_FP_INS, PAPI_FP_OPS or
PAPI_TOT_INS, depends on the availability of the event on the
platform */
/* NOTE: Only adding one overflow on PAPI_event -- no overflow for PAPI_TOT_CYC*/
EventSet = add_two_nonderived_events( &num_events1,
&PAPI_event, &mask1 );
if (num_events1==0) {
if (!quiet) printf("Trouble adding events\n");
test_skip(__FILE__,__LINE__,"Adding event",1);
}
values = allocate_test_space( 2, num_events1 );
if ( ( retval =
PAPI_event_code_to_name( PAPI_event, event_name ) ) != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_event_code_to_name", retval );
retval = PAPI_start( EventSet );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_start", retval );
do_flops( NUM_FLOPS );
retval = PAPI_stop( EventSet, values[0] );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
retval = PAPI_overflow( EventSet, PAPI_event, THRESHOLD, 0, handler );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_overflow", retval );
retval = PAPI_start( EventSet );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_start", retval );
do_flops( NUM_FLOPS );
retval = PAPI_stop( EventSet, values[1] );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
remove_test_events( &EventSet, mask1 );
if ( !TESTS_QUIET ) {
printf
( "Test case: Overflow dispatch of 1st event in set with 2 events.\n" );
printf
( "---------------------------------------------------------------\n" );
printf( "Threshold for overflow is: %d\n", THRESHOLD );
printf( "Using %d iterations of c += a*b\n", NUM_FLOPS );
printf( "-----------------------------------------------\n" );
printf( "Test type : %16d%16d\n", 1, 2 );
printf( OUT_FMT, event_name, ( values[0] )[0], ( values[1] )[0] );
printf( OUT_FMT, "PAPI_TOT_CYC", ( values[0] )[1], ( values[1] )[1] );
}
test_pass( __FILE__ );
return 0;
}