/usr/share/doc/papi-examples/ctests/pernode.c is in papi-examples 5.3.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | /* This file performs the following test:
- make an event set with PAPI_TOT_INS and PAPI_TOT_CYC.
- enable per node counting
- enable full domain counting
- sleeps for 5 seconds
- print the results
*/
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <sys/types.h>
#include <memory.h>
#include <malloc.h>
#include "papi_test.h"
int
main( )
{
int ncpu, nctr, i, actual_domain;
int retval;
int EventSet = PAPI_NULL;
long long *values;
long long elapsed_us, elapsed_cyc;
PAPI_option_t options;
retval = PAPI_library_init( PAPI_VER_CURRENT );
if ( retval != PAPI_VER_CURRENT ) {
fprintf( stderr, "Library mismatch: code %d, library %d\n", retval,
PAPI_VER_CURRENT );
exit( 1 );
}
if ( PAPI_create_eventset( &EventSet ) != PAPI_OK )
exit( 1 );
/* Set the domain as high as it will go. */
options.domain.eventset = EventSet;
options.domain.domain = PAPI_DOM_ALL;
retval = PAPI_set_opt( PAPI_DOMAIN, &options );
if ( retval != PAPI_OK )
exit( 1 );
actual_domain = options.domain.domain;
/* This should only happen to an empty eventset */
options.granularity.eventset = EventSet;
options.granularity.granularity = PAPI_GRN_SYS_CPU;
retval = PAPI_set_opt( PAPI_GRANUL, &options );
if ( retval != PAPI_OK )
exit( 1 );
/* Malloc the output array */
ncpu = PAPI_get_opt( PAPI_MAX_CPUS, NULL );
nctr = PAPI_get_opt( PAPI_MAX_HWCTRS, NULL );
values = ( long long * ) malloc( ncpu * nctr * sizeof ( long long ) );
memset( values, 0x0, ( ncpu * nctr * sizeof ( long long ) ) );
/* Add the counters */
if ( PAPI_add_event( EventSet, PAPI_TOT_CYC ) != PAPI_OK )
exit( 1 );
if ( PAPI_add_event( EventSet, PAPI_TOT_INS ) != PAPI_OK )
exit( 1 );
elapsed_us = PAPI_get_real_usec( );
elapsed_cyc = PAPI_get_real_cyc( );
retval = PAPI_start( EventSet );
if ( retval != PAPI_OK )
exit( 1 );
sleep( 5 );
retval = PAPI_stop( EventSet, values );
if ( retval != PAPI_OK )
exit( 1 );
elapsed_us = PAPI_get_real_usec( ) - elapsed_us;
elapsed_cyc = PAPI_get_real_cyc( ) - elapsed_cyc;
printf( "Test case: per node\n" );
printf( "-------------------\n\n" );
printf( "This machine has %d cpus, each with %d counters.\n", ncpu, nctr );
printf( "Test case asked for: PAPI_DOM_ALL\n" );
printf( "Test case got: " );
if ( actual_domain & PAPI_DOM_USER )
printf( "PAPI_DOM_USER " );
if ( actual_domain & PAPI_DOM_KERNEL )
printf( "PAPI_DOM_KERNEL " );
if ( actual_domain & PAPI_DOM_OTHER )
printf( "PAPI_DOM_OTHER " );
printf( "\n" );
for ( i = 0; i < ncpu; i++ ) {
printf( "CPU %d\n", i );
printf( "PAPI_TOT_CYC: \t%lld\n", values[0 + i * nctr] );
printf( "PAPI_TOT_INS: \t%lld\n", values[1 + i * nctr] );
}
printf
( "\n-------------------------------------------------------------------------\n" );
printf( "Real usec : \t%lld\n", elapsed_us );
printf( "Real cycles : \t%lld\n", elapsed_cyc );
printf
( "-------------------------------------------------------------------------\n" );
free( values );
PAPI_shutdown( );
exit( 0 );
}
|