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/* This code demonstrates the behavior of PAPI_LD_INS, PAPI_SR_INS and PAPI_LST_INS
on a Pentium 4 processor. Because of the way these events are implemented in
hardware, LD and SR cannot be counted in the presence of either of the other
two events.
*/
#include <stdio.h>
#include <stdlib.h>
#include "papi.h"
#include "papi_test.h"
#include "do_loops.h"
int
main( int argc, char **argv )
{
int retval, num_tests = 6, tmp;
long long **values;
int EventSet = PAPI_NULL;
const PAPI_hw_info_t *hw_info;
tests_quiet( argc, argv ); /* Set TESTS_QUIET variable */
retval = PAPI_library_init( PAPI_VER_CURRENT );
if ( retval != PAPI_VER_CURRENT )
test_fail( __FILE__, __LINE__, "PAPI_library_init", retval );
hw_info = PAPI_get_hardware_info( );
if ( hw_info == NULL )
test_fail( __FILE__, __LINE__, "PAPI_get_hardware_info", 2 );
if ( hw_info->vendor == PAPI_VENDOR_INTEL ) {
/* Check for Pentium4 */
if ( hw_info->cpuid_family != 15 ) {
test_skip( __FILE__, __LINE__,
"This test is intended only for Pentium 4.", 1 );
}
} else {
test_skip( __FILE__, __LINE__,
"This test is intended only for Pentium 4.", 1 );
}
retval = PAPI_create_eventset( &EventSet );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_create_eventset", retval );
values = allocate_test_space( num_tests, 2 );
/* First test: just PAPI_LD_INS */
retval = PAPI_add_event( EventSet, PAPI_LD_INS );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_add_event: PAPI_LD_INS", retval );
retval = PAPI_start( EventSet );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_start", retval );
do_flops( NUM_FLOPS / 10 );
retval = PAPI_stop( EventSet, values[0] );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
retval = PAPI_remove_event( EventSet, PAPI_LD_INS );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_remove_event: PAPI_LD_INS",
retval );
/* Second test: just PAPI_SR_INS */
retval = PAPI_add_event( EventSet, PAPI_SR_INS );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_add_event: PAPI_SR_INS", retval );
retval = PAPI_start( EventSet );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_start", retval );
do_flops( NUM_FLOPS / 10 );
retval = PAPI_stop( EventSet, values[1] );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
retval = PAPI_remove_event( EventSet, PAPI_SR_INS );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_remove_event: PAPI_SR_INS",
retval );
/* Third test: just PAPI_LST_INS */
retval = PAPI_add_event( EventSet, PAPI_LST_INS );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_add_event: PAPI_LST_INS", retval );
retval = PAPI_start( EventSet );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_start", retval );
do_flops( NUM_FLOPS / 10 );
retval = PAPI_stop( EventSet, values[2] );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
/* Fourth test: PAPI_LST_INS and PAPI_LD_INS */
retval = PAPI_add_event( EventSet, PAPI_LD_INS );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_add_event: PAPI_LD_INS", retval );
retval = PAPI_start( EventSet );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_start", retval );
do_flops( NUM_FLOPS / 10 );
retval = PAPI_stop( EventSet, values[3] );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
retval = PAPI_remove_event( EventSet, PAPI_LD_INS );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_remove_event: PAPI_LD_INS",
retval );
/* Fifth test: PAPI_LST_INS and PAPI_SR_INS */
retval = PAPI_add_event( EventSet, PAPI_SR_INS );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_add_event: PAPI_SR_INS", retval );
retval = PAPI_start( EventSet );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_start", retval );
do_flops( NUM_FLOPS / 10 );
retval = PAPI_stop( EventSet, values[4] );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
retval = PAPI_remove_event( EventSet, PAPI_SR_INS );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_remove_event: PAPI_SR_INS",
retval );
retval = PAPI_remove_event( EventSet, PAPI_LST_INS );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_remove_event: PAPI_LST_INS",
retval );
/* Sixth test: PAPI_LD_INS and PAPI_SR_INS */
retval = PAPI_add_event( EventSet, PAPI_LD_INS );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_add_event: PAPI_LD_INS", retval );
retval = PAPI_add_event( EventSet, PAPI_SR_INS );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_add_event: PAPI_SR_INS", retval );
retval = PAPI_start( EventSet );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_start", retval );
do_flops( NUM_FLOPS / 10 );
retval = PAPI_stop( EventSet, values[5] );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
retval = PAPI_remove_event( EventSet, PAPI_LD_INS );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_remove_event: PAPI_LD_INS",
retval );
retval = PAPI_remove_event( EventSet, PAPI_SR_INS );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_remove_event: PAPI_SR_INS",
retval );
if ( !TESTS_QUIET ) {
printf( "Pentium 4 Load / Store tests.\n" );
printf
( "These PAPI events are counted by setting a tag at the front of the pipeline,\n" );
printf
( "and counting tags at the back of the pipeline. All the tags are the same 'color'\n" );
printf
( "and can't be distinguished from each other. Therefore, PAPI_LD_INS and PAPI_SR_INS\n" );
printf
( "cannot be counted with the other two events, or the answer will always == PAPI_LST_INS.\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 / 10 );
printf
( "-------------------------------------------------------------------------------------------\n" );
printf
( "Test: 1 2 3 4 5 6\n" );
printf( "%s %12lld %12s %12s %12lld %12s %12lld\n", "PAPI_LD_INS: ",
( values[0] )[0], "------", "------", ( values[3] )[1],
"------", ( values[5] )[0] );
printf( "%s %12s %12lld %12s %12s %12lld %12lld\n", "PAPI_SR_INS: ",
"------", ( values[1] )[0], "------", "------",
( values[4] )[1], ( values[5] )[1] );
printf( "%s %12s %12s %12lld %12lld %12lld %12s\n", "PAPI_LST_INS:",
"------", "------", ( values[2] )[0], ( values[3] )[0],
( values[4] )[0], "------" );
printf
( "-------------------------------------------------------------------------------------------\n" );
printf( "Test 1: PAPI_LD_INS only.\n" );
printf( "Test 2: PAPI_SR_INS only.\n" );
printf( "Test 3: PAPI_LST_INS only.\n" );
printf( "Test 4: PAPI_LD_INS and PAPI_LST_INS.\n" );
printf( "Test 5: PAPI_SR_INS and PAPI_LST_INS.\n" );
printf( "Test 6: PAPI_LD_INS and PAPI_SR_INS.\n" );
printf
( "Verification: Values within each column should be the same.\n" );
printf( " R3C3 ~= (R1C1 + R2C2) ~= all other entries.\n" );
}
test_pass( __FILE__ );
return 0;
}
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