Recorder_Driver.c File Reference

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Functions
void	recorder_init_ (void)
void	recorder_do_work_ (void)
void	setup_PAPI (int *event_set)
int	main (int argc, char **argv)

Variables
long long int	expectation [10] = {20674LL, 50122LL, 112964LL, 32904LL, 101565LL, 56993LL, 58388LL, 122543LL, 62312LL, 52433LL}

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 14 of file Recorder_Driver.c.

                               {
    int i, j, ret, event_set = PAPI_NULL;
    int discrepancies = 0;
    int be_verbose = 0;
    long long counter_values[2];
 
    if( (argc > 1) && !strcmp(argv[1], "-verbose") )
        be_verbose = 1;
 
    recorder_init_();
 
    setup_PAPI(&event_set);
 
    // --- Start PAPI
    if((ret=PAPI_start(event_set)) != PAPI_OK){
        test_fail( __FILE__, __LINE__, "PAPI_start", ret );
    }
 
    for(i=0; i<10; i++){
 
        recorder_do_work_();
 
        // --- read the event counters
        if((ret=PAPI_read(event_set, counter_values)) != PAPI_OK){
            test_fail( __FILE__, __LINE__, "PAPI_read", ret );
        }
 
        long long *ptr = (long long *)counter_values[1];
 
        if( be_verbose ){
            printf("The number of recordings is: %lld (ptr is: %p)\n",counter_values[0],(void *)counter_values[1]);
            for(j=0; j<counter_values[0]; j++){
                printf("%lld ",*(ptr+j));
            }
            printf("\n");
        }
 
        free(ptr);
    }
 
    // --- Stop PAPI
    if((ret=PAPI_stop(event_set, counter_values)) != PAPI_OK){
        test_fail( __FILE__, __LINE__, "PAPI_stop", ret );
    }
 
    if( counter_values[0] != 10 ){
        discrepancies++;
    }
    long long *ptr = (long long *)counter_values[1];
    for(j=0; j<10; j++){
        if( *(ptr+j) != expectation[j] ){
            discrepancies++;
        }
    }
    free(ptr);
 
    if( !discrepancies )
        test_pass(__FILE__);
    else
        test_fail( __FILE__, __LINE__, "SDE values in recorder are wrong!", 0 );
 
    // The following "return" is dead code, because both test_pass() and test_fail() call exit(),
    // however, we need it to prevent compiler warnings.
    return 0;
}

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recorder_do_work_()

void recorder_do_work_

(

void

)

Definition at line 45 of file Lib_With_Recorder.c.

                            {
    long long r;
    BRNG();
    if( result < 0 )
        result *= -1;
    r = result%123456;
    papi_sde_record(rcrd_handle, sizeof(r), &r);
    return;
}

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recorder_init_()

void recorder_init_

(

void

)

Definition at line 31 of file Lib_With_Recorder.c.

                         {
    papi_handle_t tmp_handle;
 
    tmp_handle = papi_sde_init("Lib_With_Recorder");
    papi_sde_create_recorder(tmp_handle, event_names[0], sizeof(long long), papi_sde_compare_long_long, &rcrd_handle);
 
    z1=42;
    z2=420;
    z3=42000;
    z4=424242;
 
    return;
}

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setup_PAPI()

void setup_PAPI

(

int *

event_set

)

Definition at line 81 of file Recorder_Driver.c.

                               {
    int ret;
 
    if((ret=PAPI_library_init(PAPI_VER_CURRENT)) != PAPI_VER_CURRENT){
        test_fail( __FILE__, __LINE__, "PAPI_library_init", ret );
    }
 
    if((ret=PAPI_create_eventset(event_set)) != PAPI_OK){
        test_fail( __FILE__, __LINE__, "PAPI_create_eventset", ret );
    }
 
    if((ret=PAPI_add_named_event(*event_set, "sde:::Lib_With_Recorder::simple_recording:CNT")) != PAPI_OK){
        test_fail( __FILE__, __LINE__, "PAPI_add_named_event", ret );
    }
 
    if((ret=PAPI_add_named_event(*event_set, "sde:::Lib_With_Recorder::simple_recording")) != PAPI_OK){
        test_fail( __FILE__, __LINE__, "PAPI_add_named_event", ret );
    }
 
    return;
}

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Variable Documentation

expectation

long long int expectation[10] = {20674LL, 50122LL, 112964LL, 32904LL, 101565LL, 56993LL, 58388LL, 122543LL, 62312LL, 52433LL}

Definition at line 12 of file Recorder_Driver.c.