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/* This test exercises the PAPI_{query, add, remove}_event APIs
for PRESET events.
It more or less duplicates the functionality of the classic "zero" test.
*/
#include <stdio.h>
#include "papi.h"
#include "papi_test.h"
#include "do_loops.h"
int
main( int argc, char **argv )
{
int retval, num_tests = 1, tmp;
int EventSet = PAPI_NULL;
int num_events = 2;
long long **values;
long long elapsed_us, elapsed_cyc, elapsed_virt_us, elapsed_virt_cyc;
const char *event_names[] = {"PAPI_TOT_CYC","PAPI_TOT_INS"};
char add_event_str[PAPI_MAX_STR_LEN];
double cycles_error;
int quiet;
/* Set TESTS_QUIET variable */
quiet=tests_quiet( argc, argv );
/* Init the PAPI library */
retval = PAPI_library_init( PAPI_VER_CURRENT );
if ( retval != PAPI_VER_CURRENT ) {
test_fail( __FILE__, __LINE__, "PAPI_library_init", retval );
}
/* Verify that the named events exist */
retval = PAPI_query_named_event(event_names[0]);
if ( retval == PAPI_OK) {
retval = PAPI_query_named_event(event_names[1]);
}
if ( retval != PAPI_OK ) {
if (!quiet) printf("Trouble querying events\n");
test_skip( __FILE__, __LINE__, "PAPI_query_named_event", retval );
}
/* Create an empty event set */
retval = PAPI_create_eventset( &EventSet );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_create_eventset", retval );
/* add the events named above */
retval = PAPI_add_named_event( EventSet, event_names[0] );
if ( retval != PAPI_OK ) {
sprintf( add_event_str, "PAPI_add_named_event[%s]", event_names[0] );
test_fail( __FILE__, __LINE__, add_event_str, retval );
}
retval = PAPI_add_named_event( EventSet, event_names[1] );
if ( retval != PAPI_OK ) {
sprintf( add_event_str, "PAPI_add_named_event[%s]", event_names[1] );
test_fail( __FILE__, __LINE__, add_event_str, retval );
}
values = allocate_test_space( num_tests, num_events );
/* Gather before stats */
elapsed_us = PAPI_get_real_usec( );
elapsed_cyc = PAPI_get_real_cyc( );
elapsed_virt_us = PAPI_get_virt_usec( );
elapsed_virt_cyc = PAPI_get_virt_cyc( );
/* Start PAPI */
retval = PAPI_start( EventSet );
if ( retval != PAPI_OK ) {
test_fail( __FILE__, __LINE__, "PAPI_start", retval );
}
/* our test code */
do_flops( NUM_FLOPS );
/* Stop PAPI */
retval = PAPI_stop( EventSet, values[0] );
if ( retval != PAPI_OK ) {
test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
}
/* Calculate total values */
elapsed_virt_us = PAPI_get_virt_usec( ) - elapsed_virt_us;
elapsed_virt_cyc = PAPI_get_virt_cyc( ) - elapsed_virt_cyc;
elapsed_us = PAPI_get_real_usec( ) - elapsed_us;
elapsed_cyc = PAPI_get_real_cyc( ) - elapsed_cyc;
/* remove PAPI_TOT_CYC and PAPI_TOT_INS */
retval = PAPI_remove_named_event( EventSet, event_names[0] );
if ( retval != PAPI_OK ) {
sprintf( add_event_str, "PAPI_add_named_event[%s]", event_names[0] );
test_fail( __FILE__, __LINE__, add_event_str, retval );
}
retval = PAPI_remove_named_event( EventSet, event_names[1] );
if ( retval != PAPI_OK ) {
sprintf( add_event_str, "PAPI_add_named_event[%s]", event_names[1] );
test_fail( __FILE__, __LINE__, add_event_str, retval );
}
if ( !quiet ) {
printf( "PAPI_{query, add, remove}_named_event API test.\n" );
printf( "-----------------------------------------------\n" );
tmp = PAPI_get_opt( PAPI_DEFDOM, NULL );
printf( "Default domain is: %d (%s)\n", tmp,
stringify_all_domains( tmp ) );
tmp = PAPI_get_opt( PAPI_DEFGRN, NULL );
printf( "Default granularity is: %d (%s)\n", tmp,
stringify_granularity( tmp ) );
printf( "Using %d iterations of c += a*b\n", NUM_FLOPS );
printf( "-------------------------------------------------------------------------\n" );
printf( "Test type : \t 1\n" );
/* cycles is first, other event second */
sprintf( add_event_str, "%-12s : \t", event_names[0] );
printf( TAB1, add_event_str, values[0][0] );
sprintf( add_event_str, "%-12s : \t", event_names[1] );
printf( TAB1, add_event_str, values[0][1] );
printf( TAB1, "Real usec : \t", elapsed_us );
printf( TAB1, "Real cycles : \t", elapsed_cyc );
printf( TAB1, "Virt usec : \t", elapsed_virt_us );
printf( TAB1, "Virt cycles : \t", elapsed_virt_cyc );
printf( "-------------------------------------------------------------------------\n" );
printf( "Verification: PAPI_TOT_CYC should be roughly real_cycles\n" );
cycles_error=100.0*((double)values[0][0] - (double)elapsed_cyc)/
(double)values[0][0];
if (cycles_error>10.0) {
printf("Error of %.2f%%\n",cycles_error);
test_fail( __FILE__, __LINE__, "validation", 0 );
}
}
test_pass( __FILE__ );
return 0;
}
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