/****************************/
/* THIS IS OPEN SOURCE CODE */
/****************************/
/**
* @author Tushar Mohan
* (adapted from code in linux-net)
* test case for the appio component
*
* @brief
* Prints the value of every appio event (by code)
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include "papi.h"
#include "papi_test.h"
#define MAX_EVENTS 48
int main (int argc, char **argv)
{
int retval,cid,numcmp;
int EventSet = PAPI_NULL;
int code;
char event_names[MAX_EVENTS][PAPI_MAX_STR_LEN];
int event_codes[MAX_EVENTS];
long long event_values[MAX_EVENTS];
int total_events=0; /* events added so far */
int r;
const PAPI_component_info_t *cmpinfo = NULL;
/* 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("Trying all appio events\n");
}
numcmp = PAPI_num_components();
for(cid=0; cid<numcmp; cid++) {
if ( (cmpinfo = PAPI_get_component_info(cid)) == NULL) {
test_fail(__FILE__, __LINE__,"PAPI_get_component_info failed\n",-1);
}
if (!TESTS_QUIET) {
printf("Component %d - %d events - %s\n", cid,
cmpinfo->num_native_events, cmpinfo->name);
}
if ( strstr(cmpinfo->name, "appio") == NULL) {
continue;
}
code = PAPI_NATIVE_MASK;
r = PAPI_enum_cmp_event( &code, PAPI_ENUM_FIRST, cid );
/* 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);
}
while ( r == PAPI_OK ) {
retval = PAPI_event_code_to_name( code, event_names[total_events] );
if ( retval != PAPI_OK ) {
test_fail( __FILE__, __LINE__, "PAPI_event_code_to_name", retval );
}
if (!TESTS_QUIET) {
printf("Added event %s (code=%#x)\n", event_names[total_events], code);
}
event_codes[total_events++] = code;
r = PAPI_enum_cmp_event( &code, PAPI_ENUM_EVENTS, cid );
}
}
int fdin,fdout;
const char* infile = "/etc/group";
printf("This program will read %s and write it to /dev/null\n", infile);
int bytes = 0;
char buf[1024];
retval = PAPI_add_events( EventSet, event_codes, total_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);
}
fdin=open(infile, O_RDONLY);
if (fdin < 0) perror("Could not open file for reading: \n");
fdout = open("/dev/null", O_WRONLY);
if (fdout < 0) perror("Could not open /dev/null for writing: \n");
while ((bytes = read(fdin, buf, 1024)) > 0) {
write(fdout, buf, bytes);
}
retval = PAPI_stop( EventSet, event_values );
if (retval != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_stop()", retval);
}
close(fdin);
close(fdout);
int i;
if (!TESTS_QUIET) {
for ( i=0; i<total_events; i++ ) {
printf("%#x %-24s = %lld\n",
event_codes[i], event_names[i], event_values[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);
}
if (total_events==0) {
test_skip(__FILE__,__LINE__,"No appio events found", 0);
}
test_pass( __FILE__ );
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);
}
return 0;
}
// vim:set ai ts=4 sw=4 sts=4 et: