/****************************/
/* THIS IS OPEN SOURCE CODE */
/****************************/
/**
* @author Jose Pedro Oliveira
*
* test case for the linux-net component
*
* @brief
* Prints the values of several net events specified by names
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "papi.h"
#include "papi_test.h"
/*
#define IFNAME "eth0"
*/
#define IFNAME "lo"
#define PINGADDR "127.0.0.1"
#define NUM_EVENTS 4
int main (int argc, char **argv)
{
int i, retval;
int EventSet = PAPI_NULL;
char *event_name[NUM_EVENTS] = {
IFNAME ":rx:bytes",
IFNAME ":rx:packets",
IFNAME ":tx:bytes",
IFNAME ":tx:packets",
};
int event_code[NUM_EVENTS] = { 0, 0, 0, 0};
long long event_value[NUM_EVENTS];
int total_events=0;
/* Set TESTS_QUIET variable */
tests_quiet( argc, argv );
/* PAPI Initialization */
retval = PAPI_library_init( PAPI_VER_CURRENT );
if ( retval != PAPI_VER_CURRENT ) {
test_fail(__FILE__, __LINE__,"PAPI_library_init failed\n",retval);
}
if (!TESTS_QUIET) {
printf("Net events by name\n");
}
/* Map names to codes */
for ( i=0; i<NUM_EVENTS; i++ ) {
retval = PAPI_event_name_to_code( event_name[i], &event_code[i]);
if ( retval != PAPI_OK ) {
test_fail( __FILE__, __LINE__, "PAPI_event_name_to_code", retval );
}
total_events++;
}
/* Create and populate the EventSet */
EventSet = PAPI_NULL;
retval = PAPI_create_eventset( &EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_create_eventset()", retval);
}
retval = PAPI_add_events( EventSet, event_code, NUM_EVENTS);
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_add_events()", retval);
}
retval = PAPI_start( EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_start()", retval);
}
/* generate some traffic
* the operation should take more than one second in order
* to guarantee that the network counters are updated */
retval = system("ping -c 4 " PINGADDR " > /dev/null");
if (retval < 0) {
test_fail(__FILE__, __LINE__, "Unable to start ping", retval);
}
retval = PAPI_stop( EventSet, event_value );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_start()", retval);
}
if (!TESTS_QUIET) {
for ( i=0; i<NUM_EVENTS; i++ ) {
printf("%#x %-24s = %lld\n",
event_code[i], event_name[i], event_value[i]);
}
}
retval = PAPI_cleanup_eventset( EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_cleanup_eventset()", retval);
}
retval = PAPI_destroy_eventset( &EventSet );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_destroy_eventset()", retval);
}
test_pass( __FILE__ );
return 0;
}
// vim:set ai ts=4 sw=4 sts=4 et: