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/* This file performs the following test: start, stop and timer functionality
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- It attempts to use the following two counters.
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It may use less depending on hardware counter resource limitations.
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These are counted in the default counting domain and default granularity,
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depending on the platform.
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Usually this is the user domain (PAPI_DOM_USER) and
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thread context (PAPI_GRN_THR).
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+ PAPI_FP_INS
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+ PAPI_TOT_CYC
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- Get us.
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- Start counters
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- Do flops
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- Stop and read counters
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- Get us.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "papi.h"
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#include "papi_test.h"
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#include "do_loops.h"
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int
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main( int argc, char **argv )
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{
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int retval, eventcnt, events[2], i, tmp;
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int EventSet1 = PAPI_NULL, EventSet2 = PAPI_NULL;
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int PAPI_event;
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long long values1[2], values2[2];
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long long elapsed_us, elapsed_cyc;
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char event_name[PAPI_MAX_STR_LEN], add_event_str[PAPI_MAX_STR_LEN];
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int quiet;
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/* Set TESTS_QUIET variable */
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quiet = tests_quiet( argc, argv );
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retval = PAPI_library_init( PAPI_VER_CURRENT );
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if ( retval != PAPI_VER_CURRENT )
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test_fail( __FILE__, __LINE__, "PAPI_library_init", retval );
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/* query and set up the right instruction to monitor */
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if ( PAPI_query_event( PAPI_FP_OPS ) == PAPI_OK )
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PAPI_event = PAPI_FP_OPS;
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else
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PAPI_event = PAPI_TOT_INS;
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retval = PAPI_event_code_to_name( PAPI_event, event_name );
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_event_code_to_name", retval );
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sprintf( add_event_str, "PAPI_add_event[%s]", event_name );
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retval = PAPI_create_eventset( &EventSet1 );
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_create_eventset", retval );
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/* Add the events */
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if (!quiet) printf( "Adding: %s\n", event_name );
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retval = PAPI_add_event( EventSet1, PAPI_event );
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if ( retval != PAPI_OK ) {
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if (!quiet) printf("Trouble adding event\n");
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test_skip( __FILE__, __LINE__, "PAPI_add_event", retval );
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}
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retval = PAPI_add_event( EventSet1, PAPI_TOT_CYC );
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_add_event", retval );
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/* Add them reversed to EventSet2 */
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retval = PAPI_create_eventset( &EventSet2 );
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_create_eventset", retval );
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eventcnt = 2;
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retval = PAPI_list_events( EventSet1, events, &eventcnt );
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_list_events", retval );
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for ( i = eventcnt - 1; i >= 0; i-- ) {
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retval = PAPI_event_code_to_name( events[i], event_name );
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_event_code_to_name", retval );
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retval = PAPI_add_event( EventSet2, events[i] );
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_add_event", retval );
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}
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elapsed_us = PAPI_get_real_usec( );
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elapsed_cyc = PAPI_get_real_cyc( );
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retval = PAPI_start( EventSet1 );
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_start", retval );
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do_flops( NUM_FLOPS );
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retval = PAPI_stop( EventSet1, values1 );
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
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retval = PAPI_start( EventSet2 );
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_start", retval );
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do_flops( NUM_FLOPS );
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retval = PAPI_stop( EventSet2, values2 );
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
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elapsed_us = PAPI_get_real_usec( ) - elapsed_us;
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elapsed_cyc = PAPI_get_real_cyc( ) - elapsed_cyc;
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retval = PAPI_cleanup_eventset( EventSet1 ); /* JT */
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_cleanup_eventset", retval );
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retval = PAPI_destroy_eventset( &EventSet1 );
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_destroy_eventset", retval );
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retval = PAPI_cleanup_eventset( EventSet2 ); /* JT */
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_cleanup_eventset", retval );
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retval = PAPI_destroy_eventset( &EventSet2 );
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_destroy_eventset", retval );
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if ( !quiet ) {
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printf( "Test case 0: start, stop.\n" );
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printf( "-----------------------------------------------\n" );
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tmp = PAPI_get_opt( PAPI_DEFDOM, NULL );
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printf( "Default domain is: %d (%s)\n", tmp,
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stringify_all_domains( tmp ) );
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tmp = PAPI_get_opt( PAPI_DEFGRN, NULL );
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printf( "Default granularity is: %d (%s)\n", tmp,
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stringify_granularity( tmp ) );
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printf( "Using %d iterations of c += a*b\n", NUM_FLOPS );
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printf
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( "-------------------------------------------------------------------------\n" );
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printf( "Test type : \t 1\t 2\n" );
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sprintf( add_event_str, "%-12s : \t", event_name );
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printf( TAB2, add_event_str, values1[0], values2[1] );
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printf( TAB2, "PAPI_TOT_CYC : \t", values1[1], values2[0] );
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printf( TAB1, "Real usec : \t", elapsed_us );
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printf( TAB1, "Real cycles : \t", elapsed_cyc );
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printf
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( "-------------------------------------------------------------------------\n" );
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printf( "Verification: none\n" );
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}
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test_pass( __FILE__ );
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return 0;
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}
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