void *
Thread( void *arg )
{
int retval, num_tests = 1, i;
int EventSet1 = PAPI_NULL, mask1, PAPI_event;
int num_events1;
long long **values;
long long elapsed_us, elapsed_cyc;
unsigned short *profbuf;
char event_name[PAPI_MAX_STR_LEN];
retval = PAPI_register_thread( );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_register_thread", retval );
profbuf = ( unsigned short * ) malloc( length * sizeof ( unsigned short ) );
if ( profbuf == NULL )
exit( 1 );
memset( profbuf, 0x00, length * sizeof ( unsigned short ) );
/* add PAPI_TOT_CYC and one of the events in PAPI_FP_INS, PAPI_FP_OPS or
PAPI_TOT_INS, depends on the availability of the event on the
platform */
EventSet1 =
add_two_nonderived_events( &num_events1, &PAPI_event, &mask1 );
values = allocate_test_space( num_tests, num_events1 );
if ( ( retval =
PAPI_event_code_to_name( PAPI_event, event_name ) ) != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_event_code_to_name", retval );
elapsed_us = PAPI_get_real_usec( );
elapsed_cyc = PAPI_get_real_cyc( );
retval = PAPI_profil( profbuf, length, my_start, 65536,
EventSet1, PAPI_event, THR, PAPI_PROFIL_POSIX );
if ( retval )
test_fail( __FILE__, __LINE__, "PAPI_profil", retval );
if ( ( retval = PAPI_start( EventSet1 ) ) != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_start", retval );
do_flops( *( int * ) arg );
if ( ( retval = PAPI_stop( EventSet1, values[0] ) ) != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
elapsed_us = PAPI_get_real_usec( ) - elapsed_us;
elapsed_cyc = PAPI_get_real_cyc( ) - elapsed_cyc;
/* to remove the profile flag */
retval = PAPI_profil( profbuf, length, my_start, 65536,
EventSet1, PAPI_event, 0, PAPI_PROFIL_POSIX );
if ( retval )
test_fail( __FILE__, __LINE__, "PAPI_profil", retval );
remove_test_events( &EventSet1, mask1 );
if ( !TESTS_QUIET ) {
if ( mask1 == 0x3 ) {
printf( "Thread 0x%x PAPI_TOT_INS : \t%lld\n",
( int ) pthread_self( ), ( values[0] )[0] );
} else {
printf( "Thread 0x%x PAPI_FP_INS : \t%lld\n",
( int ) pthread_self( ), ( values[0] )[0] );
}
printf( "Thread 0x%x PAPI_TOT_CYC: \t%lld\n", ( int ) pthread_self( ),
( values[0] )[1] );
printf( "Thread 0x%x Real usec : \t%lld\n", ( int ) pthread_self( ),
elapsed_us );
printf( "Thread 0x%x Real cycles : \t%lld\n", ( int ) pthread_self( ),
elapsed_cyc );
printf( "Test case: PAPI_profil() for pthreads\n" );
printf( "----Profile buffer for Thread 0x%x---\n",
( int ) pthread_self( ) );
for ( i = 0; i < ( int ) length; i++ ) {
if ( profbuf[i] )
printf( "0x%lx\t%d\n", ( unsigned long ) ( my_start + 2 * i ),
profbuf[i] );
}
}
for ( i = 0; i < ( int ) length; i++ )
if ( profbuf[i] )
break;
if ( i >= ( int ) length )
test_fail( __FILE__, __LINE__, "No information in buffers", 1 );
free_test_space( values, num_tests );
retval = PAPI_unregister_thread( );
if ( retval != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_unregister_thread", retval );
return ( NULL );
}
static int
do_profile( caddr_t start, unsigned long plength, unsigned scale, int thresh,
int bucket, unsigned int mask ) {
int i, retval;
unsigned long blength;
int num_buckets,j=0;
int num_bufs = num_events;
int event = num_events;
int events[MAX_TEST_EVENTS];
char header[BUFSIZ];
strncpy(header,"address\t\t",BUFSIZ);
//= "address\t\t\tcyc\tins\tfp_ins\n";
for(i=0;i<MAX_TEST_EVENTS;i++) {
if (mask & test_events[i].mask) {
events[j]=test_events[i].event;
if (events[j]==PAPI_TOT_CYC) {
strncat(header,"\tcyc",BUFSIZ-1);
}
if (events[j]==PAPI_TOT_INS) {
strncat(header,"\tins",BUFSIZ-1);
}
if (events[j]==PAPI_FP_INS) {
strncat(header,"\tfp_ins",BUFSIZ-1);
}
if (events[j]==PAPI_FP_OPS) {
strncat(header,"\tfp_ops",BUFSIZ-1);
}
if (events[j]==PAPI_L2_TCM) {
strncat(header,"\tl2_tcm",BUFSIZ-1);
}
j++;
}
}
strncat(header,"\n",BUFSIZ-1);
blength = prof_size( plength, scale, bucket, &num_buckets );
prof_alloc( num_bufs, blength );
if ( !TESTS_QUIET )
printf( "Overall event counts:\n" );
for ( i = 0; i < num_events; i++ ) {
if ( ( retval =
PAPI_profil( profbuf[i], ( unsigned int ) blength, start, scale,
EventSet, events[i], thresh,
PAPI_PROFIL_POSIX | bucket ) ) != PAPI_OK ) {
if (retval == PAPI_EINVAL) {
test_warn( __FILE__, __LINE__, "Trying to profile with derived event", 1);
num_events=i;
break;
}
else {
printf("Failed with event %d 0x%x\n",i,events[i]);
test_fail( __FILE__, __LINE__, "PAPI_profil", retval );
}
}
}
if ( ( retval = PAPI_start( EventSet ) ) != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_start", retval );
my_main( );
if ( ( retval = PAPI_stop( EventSet, values[0] ) ) != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
if ( !TESTS_QUIET ) {
printf( TAB1, "PAPI_TOT_CYC:", ( values[0] )[--event] );
if ( strcmp( hw_info->model_string, "POWER6" ) != 0 ) {
printf( TAB1, "PAPI_TOT_INS:", ( values[0] )[--event] );
}
#if defined(__powerpc__)
printf( TAB1, "PAPI_FP_INS", ( values[0] )[--event] );
#else
if ( strcmp( hw_info->model_string, "Intel Pentium III" ) != 0 ) {
printf( TAB1, "PAPI_FP_OPS:", ( values[0] )[--event] );
printf( TAB1, "PAPI_L2_TCM:", ( values[0] )[--event] );
}
#endif
}
for ( i = 0; i < num_events; i++ ) {
if ( ( retval =
PAPI_profil( profbuf[i], ( unsigned int ) blength, start, scale,
EventSet, events[i], 0,
PAPI_PROFIL_POSIX ) ) != PAPI_OK )
test_fail( __FILE__, __LINE__, "PAPI_profil", retval );
}
prof_head( blength, bucket, num_buckets, header );
prof_out( start, num_events, bucket, num_buckets, scale );
retval = prof_check( num_bufs, bucket, num_buckets );
for ( i = 0; i < num_bufs; i++ ) {
free( profbuf[i] );
}
return retval;
}
int main()
{
unsigned long length;
caddr_t start, end;
PAPI_sprofil_t * prof;
int EventSet = PAPI_NULL;
/*must be initialized to PAPI_NULL before calling PAPI_create_event*/
int PAPI_event,i,tmp = 0;
char event_name[PAPI_MAX_STR_LEN];
/*These are going to be used as buffers */
unsigned short *profbuf;
long long values[2];
const PAPI_exe_info_t *prginfo = NULL;
int retval;
/****************************************************************************
* This part initializes the library and compares the version number of the *
* header file, to the version of the library, if these don't match then it *
* is likely that PAPI won't work correctly.If there is an error, retval *
* keeps track of the version number. *
****************************************************************************/
if((retval = PAPI_library_init(PAPI_VER_CURRENT)) != PAPI_VER_CURRENT )
{
printf("Library initialization error! \n");
exit(1);
}
if ((prginfo = PAPI_get_executable_info()) == NULL)
{
fprintf(stderr, "Error in get executable information \n");
exit(1);
}
start = prginfo->address_info.text_start;
end = prginfo->address_info.text_end;
length = (end - start);
/* for PAPI_PROFIL_BUCKET_16 and scale = 65536,
profile buffer length == program address length.
Larger bucket sizes would increase the buffer length.
Smaller scale factors would decrease it.
Handle with care...
*/
profbuf = (unsigned short *)malloc(length);
if (profbuf == NULL)
{
fprintf(stderr, "Not enough memory \n");
exit(1);
}
memset(profbuf,0x00,length);
/* Creating the eventset */
if ( (retval = PAPI_create_eventset(&EventSet)) != PAPI_OK)
ERROR_RETURN(retval);
PAPI_event = PAPI_TOT_INS;
/* Add Total Instructions Executed to our EventSet */
if ( (retval = PAPI_add_event(EventSet, PAPI_event)) != PAPI_OK)
ERROR_RETURN(retval);
/* Add Total Cycles Executed to our EventSet */
if ( (retval = PAPI_add_event(EventSet, PAPI_TOT_CYC)) != PAPI_OK)
ERROR_RETURN(retval);
/* enable the collection of profiling information */
if ((retval = PAPI_profil(profbuf, length, start, 65536, EventSet,
PAPI_event, THRESHOLD, PAPI_PROFIL_POSIX | PAPI_PROFIL_BUCKET_16)) != PAPI_OK)
ERROR_RETURN(retval);
/* let's rock and roll */
if ((retval=PAPI_start(EventSet)) != PAPI_OK)
ERROR_RETURN(retval);
code_to_monitor();
if ((retval=PAPI_stop(EventSet, values)) != PAPI_OK)
ERROR_RETURN(retval);
/* disable the collection of profiling information by setting threshold
to 0
*/
if ((retval = PAPI_profil(profbuf, length, start, 65536, EventSet,
PAPI_event, 0, PAPI_PROFIL_POSIX)) != PAPI_OK)
ERROR_RETURN(retval);
printf("-----------------------------------------------------------\n");
printf("Text start: %p, Text end: %p, \n",
prginfo->address_info.text_start,prginfo->address_info.text_end);
printf("Data start: %p, Data end: %p\n",
prginfo->address_info.data_start,prginfo->address_info.data_end);
printf("BSS start : %p, BSS end: %p\n",
prginfo->address_info.bss_start,prginfo->address_info.bss_end);
printf("------------------------------------------\n");
printf("Test type : \tPAPI_PROFIL_POSIX\n");
printf("------------------------------------------\n\n\n");
printf("PAPI_profil() hash table.\n");
printf("address\t\tflat \n");
for (i = 0; i < (int) length/2; i++)
{
if (profbuf[i])
printf("0x%lx\t%d \n",
(unsigned long) start + (unsigned long) (2 * i), profbuf[i]);
}
printf("-----------------------------------------\n");
retval = 0;
for (i = 0; i < (int) length/2; i++)
retval = retval || (profbuf[i]);
if (retval)
printf("Test succeeds! \n");
else
printf( "No information in buffers\n");
/* clean up */
PAPI_shutdown();
exit(0);
}
static int do_profile(caddr_t start, unsigned long plength, unsigned scale, int thresh, int bucket) {
int i, retval;
unsigned long blength;
int num_buckets;
char *profstr[5] = {"PAPI_PROFIL_POSIX",
"PAPI_PROFIL_RANDOM",
"PAPI_PROFIL_WEIGHTED",
"PAPI_PROFIL_COMPRESS",
"PAPI_PROFIL_<all>" };
int profflags[5] = {PAPI_PROFIL_POSIX,
PAPI_PROFIL_POSIX | PAPI_PROFIL_RANDOM,
PAPI_PROFIL_POSIX | PAPI_PROFIL_WEIGHTED,
PAPI_PROFIL_POSIX | PAPI_PROFIL_COMPRESS,
PAPI_PROFIL_POSIX | PAPI_PROFIL_WEIGHTED |
PAPI_PROFIL_RANDOM | PAPI_PROFIL_COMPRESS };
do_no_profile();
blength = prof_size(plength, scale, bucket, &num_buckets);
prof_alloc(5, blength);
for (i=0;i<5;i++) {
if (!TESTS_QUIET)
printf("Test type : \t%s\n", profstr[i]);
#ifndef SWPROFILE
if ((retval = PAPI_profil(profbuf[i], blength, start, scale,
EventSet, PAPI_event, thresh,
profflags[i] | bucket)) != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_profil", retval);
}
#else
if ((retval = PAPI_profil(profbuf[i], blength, start, scale,
EventSet, PAPI_event, thresh,
profflags[i] | bucket | PAPI_PROFIL_FORCE_SW)) != PAPI_OK) {
test_fail(__FILE__, __LINE__, "PAPI_profil", retval);
}
#endif
if ((retval = PAPI_start(EventSet)) != PAPI_OK)
test_fail(__FILE__, __LINE__, "PAPI_start", retval);
do_flops(getenv("NUM_FLOPS") ? atoi(getenv("NUM_FLOPS")) : NUM_FLOPS);
if ((retval = PAPI_stop(EventSet, values[1])) != PAPI_OK)
test_fail(__FILE__, __LINE__, "PAPI_stop", retval);
if (!TESTS_QUIET) {
printf(TAB1, event_name, (values[1])[0]);
printf(TAB1, "PAPI_TOT_CYC", (values[1])[1]);
}
if ((retval = PAPI_profil(profbuf[i], blength, start, scale,
EventSet, PAPI_event, 0, profflags[i])) != PAPI_OK)
test_fail(__FILE__, __LINE__, "PAPI_profil", retval);
}
prof_head(blength, bucket, num_buckets,
"address\t\t\tflat\trandom\tweight\tcomprs\tall\n");
prof_out(start, 5, bucket, num_buckets, scale);
retval = prof_check(5, bucket, num_buckets);
for (i=0;i<5;i++) {
free(profbuf[i]);
}
return(retval);
}