int test_perfmonresult_nostart()
{
CpuInfo_t cpuinfo;
int cpu = 0;
int group;
topology_init();
cpuinfo = get_cpuInfo();
if (cpuinfo->isIntel == 0)
{
topology_finalize();
return 1;
}
int ret = perfmon_init(1, &cpu);
if (ret != 0)
goto fail;
ret = perfmon_addEventSet(eventset_ok);
if (ret != 0)
goto fail;
group = ret;
ret = perfmon_setupCounters(group);
if (ret != 0)
goto fail;
double result = perfmon_getResult(group,0,0);
if (result != 0)
goto fail;
perfmon_finalize();
topology_finalize();
return 1;
fail:
perfmon_finalize();
topology_finalize();
return 0;
}
int test_perfmoninit_faulty()
{
int cpu = 0;
int ret = perfmon_init(1, &cpu);
if (ret != 0)
goto fail;
perfmon_finalize();
return 0;
fail:
perfmon_finalize();
return 1;
}
int test_perfmonsetup()
{
CpuInfo_t cpuinfo;
int group1, group2;
int cpu = 0;
topology_init();
cpuinfo = get_cpuInfo();
if (cpuinfo->isIntel == 0)
{
topology_finalize();
return 1;
}
int ret = perfmon_init(1, &cpu);
if (ret != 0)
goto fail;
if (perfmon_getNumberOfGroups() != 0)
goto fail;
if (perfmon_getNumberOfThreads() != 1)
goto fail;
ret = perfmon_addEventSet(eventset_ok);
if (ret != 0)
goto fail;
group1 = ret;
if (perfmon_getNumberOfGroups() != 1)
goto fail;
if (perfmon_getNumberOfEvents(group1) != 3)
goto fail;
ret = perfmon_setupCounters(group1);
if (ret != 0)
goto fail;
if (perfmon_getIdOfActiveGroup() != group1)
goto fail;
ret = perfmon_addEventSet(eventset_option);
if (ret != 1)
goto fail;
group2 = ret;
if (perfmon_getIdOfActiveGroup() != group1)
goto fail;
if (perfmon_getNumberOfGroups() != 2)
goto fail;
if (perfmon_getNumberOfEvents(group1) != 3)
goto fail;
if (perfmon_getNumberOfEvents(group2) != 3)
goto fail;
perfmon_finalize();
topology_finalize();
return 1;
fail:
perfmon_finalize();
topology_finalize();
return 0;
}
static int lua_likwid_finalize(lua_State* L)
{
if (topology_isInitialized == 1)
{
topology_finalize();
topology_isInitialized = 0;
cputopo = NULL;
cpuinfo = NULL;
}
if (numa_isInitialized == 1)
{
numa_finalize();
numa_isInitialized = 0;
numainfo = NULL;
}
if (affinity_isInitialized == 1)
{
affinity_finalize();
affinity_isInitialized = 0;
affinity = NULL;
}
if (perfmon_isInitialized == 1)
{
perfmon_finalize();
perfmon_isInitialized = 0;
}
if (config_isInitialized == 1)
{
destroy_configuration();
config_isInitialized = 0;
configfile = NULL;
}
return 0;
}
int main(int argc, char* argv[])
{
int i;
int* cpus;
int gid;
double result = 0.0;
// Load the topology module and print some values.
topology_init();
// CpuInfo_t contains global information like name, CPU family, ...
CpuInfo_t info = get_cpuInfo();
// CpuTopology_t contains information about the topology of the CPUs.
CpuTopology_t topo = get_cpuTopology();
printf("Likwid example on a %s with %d CPUs\n", info->name, topo->numHWThreads);
cpus = malloc(topo->numHWThreads * sizeof(int));
if (!cpus)
return 1;
for (i=0;i<topo->numHWThreads;i++)
{
cpus[i] = topo->threadPool[i].apicId;
}
// Must be called before perfmon_init() but only if you want to use another
// access mode as the pre-configured one. For direct access (0) you have to
// be root.
//accessClient_setaccessmode(0);
// Initialize the perfmon module.
perfmon_init(topo->numHWThreads, cpus);
// Add eventset string to the perfmon module.
gid = perfmon_addEventSet(EVENTSET);
// Setup the eventset identified by group ID (gid).
perfmon_setupCounters(gid);
// Start all counters in the previously set up event set.
perfmon_startCounters();
// Perform something
sleep(2);
// Stop all counters in the previously started event set.
perfmon_stopCounters();
// Print the result of every thread/CPU.
for (i = 0;i < topo->numHWThreads; i++)
{
result = perfmon_getResult(gid, 0, i);
printf("Measurement result for event set %s at CPU %d: %f\n", EVENTSET, cpus[i], result);
}
// Uninitialize the perfmon module.
perfmon_finalize();
// Uninitialize the topology module.
topology_finalize();
return 0;
}
int test_perfmonresult()
{
CpuInfo_t cpuinfo;
int cpu = 0;
int group;
topology_init();
cpuinfo = get_cpuInfo();
if (cpuinfo->isIntel == 0)
{
topology_finalize();
return 1;
}
int ret = perfmon_init(1, &cpu);
if (ret != 0)
goto fail;
ret = perfmon_addEventSet(eventset_ok);
if (ret != 0)
goto fail;
group = ret;
ret = perfmon_setupCounters(group);
if (ret != 0)
goto fail;
ret = perfmon_startCounters();
if (ret != 0)
goto fail;
sleep(1);
ret = perfmon_stopCounters();
if (ret != 0)
goto fail;
if ((perfmon_getResult(group,0,0) == 0)||(perfmon_getResult(group,1,0) == 0))
goto fail;
if (perfmon_getTimeOfGroup(group) == 0)
goto fail;
perfmon_finalize();
topology_finalize();
return 1;
fail:
perfmon_finalize();
topology_finalize();
return 0;
}
int test_perfmoninit_valid()
{
int cpu = 0;
topology_init();
affinity_init();
int ret = perfmon_init(1, &cpu);
if (ret != 0)
goto fail;
if (perfmon_getNumberOfGroups() != 0)
goto fail;
if (perfmon_getNumberOfThreads() != 1)
goto fail;
perfmon_finalize();
affinity_finalize();
topology_finalize();
return 1;
fail:
perfmon_finalize();
affinity_finalize();
topology_finalize();
return 0;
}
int test_perfmoninit()
{
int cpu = 0;
int i;
topology_init();
affinity_init();
for(i=0;i<10;i++)
{
perfmon_init(1, &cpu);
perfmon_finalize();
}
affinity_finalize();
topology_finalize();
return 1;
}
int test_perfmonperfgroup()
{
CpuInfo_t cpuinfo;
int i;
int cpu = 0;
topology_init();
cpuinfo = get_cpuInfo();
int ret = perfmon_init(1, &cpu);
if (ret != 0) {
printf("Perfmon init failed\n");
goto fail;
}
char** glist = NULL;
char** slist = NULL;
char** llist = NULL;
ret = perfmon_getGroups(&glist, &slist, &llist);
if (ret <= 0)
{
goto fail;
}
ret = perfmon_addEventSet(glist[0]);
if (ret != 0) {
printf("Perfmon addEventSet(%s) failed\n", glist[0]);
goto fail;
}
if (perfmon_getNumberOfEvents(ret) == 0) {
printf("Perfmon number of events == 0\n");
goto fail;
}
if (perfmon_getNumberOfMetrics(ret) == 0) {
printf("Perfmon number of metrics == 0\n");
goto fail;
}
for (i=0; i<perfmon_getNumberOfEvents(ret); i++) {
if (strcmp(perfmon_getEventName(ret, i), "") == 0)
goto fail;
if (strcmp(perfmon_getCounterName(ret, i), "") == 0)
goto fail;
}
if (strcmp(perfmon_getGroupName(ret), "Custom") == 0)
{
goto fail;
}
if (strcmp(perfmon_getGroupInfoShort(ret), "Custom") == 0)
{
goto fail;
}
if (strcmp(perfmon_getGroupInfoLong(ret), "Custom") == 0)
{
goto fail;
}
if (perfmon_getLastTimeOfGroup(ret) != 0)
{
goto fail;
}
if (perfmon_getTimeOfGroup(ret) != 0)
{
goto fail;
}
for (i=0; i<perfmon_getNumberOfMetrics(ret); i++) {
if (strcmp(perfmon_getMetricName(ret, i), "") == 0)
goto fail;
if (perfmon_getMetric(ret, i, 0) != 0.0)
goto fail;
}
free(glist);
free(slist);
free(llist);
perfmon_finalize();
affinity_finalize();
topology_finalize();
return 1;
fail:
if (glist)
free(glist);
if (slist)
free(slist);
if (llist)
free(llist);
perfmon_finalize();
affinity_finalize();
topology_finalize();
return 0;
}
int test_perfmoncustomgroup()
{
CpuInfo_t cpuinfo;
int cpu = 0;
topology_init();
cpuinfo = get_cpuInfo();
int ret = perfmon_init(1, &cpu);
if (ret != 0) {
printf("Perfmon init failed\n");
goto fail;
}
ret = perfmon_addEventSet(eventset_ok);
if (ret != 0) {
printf("Perfmon addEventSet(ok) failed\n");
goto fail;
}
if (perfmon_getNumberOfEvents(ret) != 3) {
printf("Perfmon number of events != 3\n");
goto fail;
}
if (perfmon_getNumberOfMetrics(ret) != 0) {
printf("Perfmon number of metrics != 0\n");
goto fail;
}
if (strcmp(perfmon_getEventName(ret, 0), event1_ok) != 0)
{
goto fail;
}
if (strcmp(perfmon_getEventName(ret, 1), event2_ok) != 0)
{
goto fail;
}
if (strcmp(perfmon_getEventName(ret, 2), event3_ok) != 0)
{
goto fail;
}
if (strcmp(perfmon_getCounterName(ret, 0), ctr1_ok) != 0)
{
goto fail;
}
if (strcmp(perfmon_getCounterName(ret, 1), ctr2_ok) != 0)
{
goto fail;
}
if (strcmp(perfmon_getCounterName(ret, 2), ctr3_ok) != 0)
{
goto fail;
}
if (strcmp(perfmon_getGroupName(ret), "Custom") != 0)
{
goto fail;
}
if (strcmp(perfmon_getGroupInfoShort(ret), "Custom") != 0)
{
goto fail;
}
if (strcmp(perfmon_getGroupInfoLong(ret), "Custom") != 0)
{
goto fail;
}
if (perfmon_getLastTimeOfGroup(ret) != 0)
{
goto fail;
}
perfmon_finalize();
affinity_finalize();
topology_finalize();
return 1;
fail:
perfmon_finalize();
affinity_finalize();
topology_finalize();
return 0;
}
int test_perfmonaddeventset()
{
char eventset_fail1[] = "INSTR_RETIRED.ANY:FIXC0";
char eventset_fail2[] = "INSTR_RETIRED-ANY:FIXC0";
CpuInfo_t cpuinfo;
int cpu = 0;
topology_init();
cpuinfo = get_cpuInfo();
if (cpuinfo->isIntel == 0)
{
topology_finalize();
return 1;
}
int ret = perfmon_init(1, &cpu);
if (ret != 0) {
printf("Perfmon init failed\n");
goto fail;
}
if (perfmon_getNumberOfGroups() != 0) {
printf("Perfmon number of groups != 0\n");
goto fail;
}
if (perfmon_getNumberOfThreads() != 1) {
printf("Perfmon number of threads != 1\n");
goto fail;
}
if (perfmon_getIdOfActiveGroup() != -1) {
printf("Perfmon id of active group != -1\n");
goto fail;
}
ret = perfmon_addEventSet(eventset_ok);
if (ret != 0) {
printf("Perfmon addEventSet(ok) failed\n");
goto fail;
}
if (perfmon_getNumberOfGroups() != 1) {
printf("Perfmon number of groups != 1\n");
goto fail;
}
if (perfmon_getNumberOfEvents(ret) != 3) {
printf("Perfmon number of events != 3\n");
goto fail;
}
if (perfmon_getIdOfActiveGroup() != -1) {
printf("Perfmon id of active group != -1\n");
goto fail;
}
ret = perfmon_addEventSet(eventset_option);
if (ret != 1) {
printf("Perfmon addEventSet(options) failed\n");
goto fail;
}
if (perfmon_getNumberOfGroups() != 2) {
printf("Perfmon number of groups != 2\n");
goto fail;
}
if (perfmon_getNumberOfEvents(ret) != 3) {
printf("Perfmon number of events != 3\n");
goto fail;
}
if (perfmon_getIdOfActiveGroup() != -1) {
printf("Perfmon id of active group != -1\n");
goto fail;
}
ret = perfmon_addEventSet(eventset_fail1);
if (ret >= 0) {
printf("Perfmon addEventSet(fail1) failed\n");
goto fail;
}
if (perfmon_getNumberOfGroups() != 2) {
printf("Perfmon number of groups != 2\n");
goto fail;
}
ret = perfmon_addEventSet(eventset_fail2);
if (ret >= 0) {
printf("Perfmon addEventSet(fail2) failed\n");
goto fail;
}
if (perfmon_getNumberOfGroups() != 2) {
printf("Perfmon number of groups != 2\n");
goto fail;
}
if (perfmon_getIdOfActiveGroup() != -1) {
printf("Perfmon id of active group != -1\n");
goto fail;
}
perfmon_finalize();
affinity_finalize();
topology_finalize();
return 1;
fail:
perfmon_finalize();
affinity_finalize();
topology_finalize();
return 0;
}
int test_perfmonfinalize()
{
perfmon_finalize();
return 1;
}
int main(int argn, char** argc)
{
int err, i ,j;
int numCPUs = 0;
int gid;
DATATYPE *a,*b,*c,*d;
TimeData timer;
double triad_time, copy_time, scale_time, stream_time;
char estr[1024];
double result, scalar = 3.0;
char* ptr;
if (argn != 3)
{
printf("Usage: %s <cpustr> <events>\n", argc[0]);
return 1;
}
strcpy(estr, argc[2]);
allocate_vector(&a, SIZE);
allocate_vector(&b, SIZE);
allocate_vector(&c, SIZE);
allocate_vector(&d, SIZE);
err = topology_init();
if (err < 0)
{
printf("Failed to initialize LIKWID's topology module\n");
return 1;
}
CpuTopology_t topo = get_cpuTopology();
affinity_init();
int* cpus = (int*)malloc(topo->numHWThreads * sizeof(int));
if (!cpus)
return 1;
numCPUs = cpustr_to_cpulist(argc[1], cpus, topo->numHWThreads);
omp_set_num_threads(numCPUs);
err = perfmon_init(numCPUs, cpus);
if (err < 0)
{
printf("Failed to initialize LIKWID's performance monitoring module\n");
affinity_finalize();
topology_finalize();
return 1;
}
gid = perfmon_addEventSet(estr);
if (gid < 0)
{
printf("Failed to add event string %s to LIKWID's performance monitoring module\n", estr);
perfmon_finalize();
affinity_finalize();
topology_finalize();
return 1;
}
err = perfmon_setupCounters(gid);
if (err < 0)
{
printf("Failed to setup group %d in LIKWID's performance monitoring module\n", gid);
perfmon_finalize();
affinity_finalize();
topology_finalize();
return 1;
}
#ifdef _OPENMP
printf(HLINE);
#pragma omp parallel
{
#pragma omp master
{
printf ("Number of Threads requested = %i\n",omp_get_num_threads());
}
likwid_pinThread(cpus[omp_get_thread_num()]);
printf ("Thread %d running on processor %d ....\n",omp_get_thread_num(),sched_getcpu());
}
#endif
#pragma omp parallel for
for (int j=0; j<SIZE; j++) {
a[j] = 1.0;
b[j] = 2.0;
c[j] = 0.0;
d[j] = 1.0;
}
err = perfmon_startCounters();
if (err < 0)
{
printf("Failed to start counters for group %d for thread %d\n",gid, (-1*err)-1);
perfmon_finalize();
topology_finalize();
return 1;
}
time_start(&timer);
#pragma omp parallel
{
for (int k=0; k<ITER; k++)
{
LIKWID_MARKER_START("copy");
#pragma omp for
for (int j=0; j<SIZE; j++)
{
c[j] = a[j];
}
LIKWID_MARKER_STOP("copy");
}
}
time_stop(&timer);
err = perfmon_stopCounters();
copy_time = time_print(&timer)/(double)ITER;
if (err < 0)
{
printf("Failed to stop counters for group %d for thread %d\n",gid, (-1*err)-1);
perfmon_finalize();
topology_finalize();
return 1;
}
printf("Processed %.1f Mbyte at copy benchmark in %.4f seconds: %.2f MByte/s\n",
1E-6*(2*SIZE*sizeof(DATATYPE)),
copy_time,
1E-6*((2*SIZE*sizeof(DATATYPE))/copy_time));
ptr = strtok(estr,",");
j = 0;
while (ptr != NULL)
{
for (i = 0;i < numCPUs; i++)
{
result = perfmon_getResult(gid, j, cpus[i]);
printf("Measurement result for event set %s at CPU %d: %f\n", ptr, cpus[i], result);
}
ptr = strtok(NULL,",");
j++;
}
strcpy(estr, argc[2]);
perfmon_setupCounters(gid);
err = perfmon_startCounters();
if (err < 0)
{
printf("Failed to start counters for group %d for thread %d\n",gid, (-1*err)-1);
perfmon_finalize();
topology_finalize();
return 1;
}
time_start(&timer);
#pragma omp parallel
{
for (int k=0; k<ITER; k++)
{
LIKWID_MARKER_START("scale");
#pragma omp for
for (int j=0; j<SIZE; j++)
{
b[j] = scalar*c[j];
}
LIKWID_MARKER_STOP("scale");
}
}
time_stop(&timer);
err = perfmon_stopCounters();
scale_time = time_print(&timer)/(double)ITER;
if (err < 0)
{
printf("Failed to stop counters for group %d for thread %d\n",gid, (-1*err)-1);
perfmon_finalize();
topology_finalize();
return 1;
}
printf("Processed %.1f Mbyte at scale benchmark in %.4f seconds: %.2f MByte/s\n",
1E-6*(2*SIZE*sizeof(DATATYPE)),
copy_time,
1E-6*((2*SIZE*sizeof(DATATYPE))/copy_time));
ptr = strtok(estr,",");
j = 0;
while (ptr != NULL)
{
for (i = 0;i < numCPUs; i++)
{
result = perfmon_getResult(gid, j, cpus[i]);
printf("Measurement result for event set %s at CPU %d: %f\n", ptr, cpus[i], result);
}
ptr = strtok(NULL,",");
j++;
}
strcpy(estr, argc[2]);
perfmon_setupCounters(gid);
err = perfmon_startCounters();
if (err < 0)
{
printf("Failed to start counters for group %d for thread %d\n",gid, (-1*err)-1);
perfmon_finalize();
topology_finalize();
return 1;
}
time_start(&timer);
#pragma omp parallel
{
for (int k=0; k<ITER; k++)
{
LIKWID_MARKER_START("stream");
#pragma omp for
for (int j=0; j<SIZE; j++)
{
c[j] = a[j] + b[j];
}
LIKWID_MARKER_STOP("stream");
}
}
time_stop(&timer);
err = perfmon_stopCounters();
stream_time = time_print(&timer)/(double)ITER;
if (err < 0)
{
printf("Failed to stop counters for group %d for thread %d\n",gid, (-1*err)-1);
perfmon_finalize();
topology_finalize();
return 1;
}
printf("Processed %.1f Mbyte at stream benchmark in %.4f seconds: %.2f MByte/s\n",
1E-6*(2*SIZE*sizeof(DATATYPE)),
copy_time,
1E-6*((2*SIZE*sizeof(DATATYPE))/copy_time));
ptr = strtok(estr,",");
j = 0;
while (ptr != NULL)
{
for (i = 0;i < numCPUs; i++)
{
result = perfmon_getResult(gid, j, cpus[i]);
printf("Measurement result for event set %s at CPU %d: %f\n", ptr, cpus[i], result);
}
ptr = strtok(NULL,",");
j++;
}
strcpy(estr, argc[2]);
perfmon_setupCounters(gid);
err = perfmon_startCounters();
if (err < 0)
{
printf("Failed to start counters for group %d for thread %d\n",gid, (-1*err)-1);
perfmon_finalize();
topology_finalize();
return 1;
}
time_start(&timer);
#pragma omp parallel
{
for (int k=0; k<ITER; k++)
{
LIKWID_MARKER_START("triad");
#pragma omp for
for (int j=0; j<SIZE; j++)
{
a[j] = b[j] + c[j] * scalar;
}
LIKWID_MARKER_STOP("triad");
}
}
time_stop(&timer);
err = perfmon_stopCounters();
triad_time = time_print(&timer)/(double)ITER;
if (err < 0)
{
printf("Failed to stop counters for group %d for thread %d\n",gid, (-1*err)-1);
perfmon_finalize();
topology_finalize();
return 1;
}
printf("Processed %.1f Mbyte at triad benchmark in %.4f seconds: %.2f MByte/s\n",
1E-6*(4*SIZE*sizeof(DATATYPE)),
triad_time,
1E-6*((4*SIZE*sizeof(DATATYPE))/triad_time));
ptr = strtok(estr,",");
j = 0;
while (ptr != NULL)
{
for (i = 0;i < numCPUs; i++)
{
result = perfmon_getResult(gid, j, cpus[i]);
printf("Measurement result for event set %s at CPU %d: %f\n", ptr, cpus[i], result);
}
ptr = strtok(NULL,",");
j++;
}
perfmon_finalize();
affinity_finalize();
topology_finalize();
return 0;
}
int main (int argc, char** argv)
{
int socket_fd = -1;
int optInfo = 0;
int optClock = 0;
int optStethoscope = 0;
int optSockets = 0;
double runtime;
int hasDRAM = 0;
int c;
bstring argString;
bstring eventString = bfromcstr("CLOCK");
int numSockets=1;
int numThreads=0;
int threadsSockets[MAX_NUM_NODES*2];
int threads[MAX_NUM_THREADS];
threadsSockets[0] = 0;
if (argc == 1)
{
HELP_MSG;
exit (EXIT_SUCCESS);
}
while ((c = getopt (argc, argv, "+c:hiM:ps:v")) != -1)
{
switch (c)
{
case 'c':
CHECK_OPTION_STRING;
numSockets = bstr_to_cpuset_physical((uint32_t*) threadsSockets, argString);
bdestroy(argString);
optSockets = 1;
break;
case 'h':
HELP_MSG;
exit (EXIT_SUCCESS);
case 'i':
optInfo = 1;
break;
case 'M': /* Set MSR Access mode */
CHECK_OPTION_STRING;
accessClient_setaccessmode(str2int((char*) argString->data));
bdestroy(argString);
break;
case 'p':
optClock = 1;
break;
case 's':
CHECK_OPTION_STRING;
optStethoscope = str2int((char*) argString->data);
bdestroy(argString);
break;
case 'v':
VERSION_MSG;
exit (EXIT_SUCCESS);
case '?':
if (optopt == 's' || optopt == 'M' || optopt == 'c')
{
HELP_MSG;
}
else if (isprint (optopt))
{
fprintf (stderr, "Unknown option `-%c'.\n", optopt);
}
else
{
fprintf (stderr,
"Unknown option character `\\x%x'.\n",
optopt);
}
exit( EXIT_FAILURE);
default:
HELP_MSG;
exit (EXIT_SUCCESS);
}
}
if (!lock_check())
{
fprintf(stderr,"Access to performance counters is locked.\n");
exit(EXIT_FAILURE);
}
if (optClock && optind == argc)
{
fprintf(stderr,"Commandline option -p requires an executable.\n");
exit(EXIT_FAILURE);
}
if (optSockets && !optStethoscope && optind == argc)
{
fprintf(stderr,"Commandline option -c requires an executable if not used in combination with -s.\n");
exit(EXIT_FAILURE);
}
if (cpuid_init() == EXIT_FAILURE)
{
fprintf(stderr, "CPU not supported\n");
exit(EXIT_FAILURE);
}
if (numSockets > cpuid_topology.numSockets)
{
fprintf(stderr, "System has only %d sockets but %d are given on commandline\n",
cpuid_topology.numSockets, numSockets);
exit(EXIT_FAILURE);
}
numa_init(); /* consider NUMA node as power unit for the moment */
accessClient_init(&socket_fd);
msr_init(socket_fd);
timer_init();
/* check for supported processors */
if ((cpuid_info.model == SANDYBRIDGE_EP) ||
(cpuid_info.model == SANDYBRIDGE) ||
(cpuid_info.model == IVYBRIDGE) ||
(cpuid_info.model == IVYBRIDGE_EP) ||
(cpuid_info.model == HASWELL) ||
(cpuid_info.model == NEHALEM_BLOOMFIELD) ||
(cpuid_info.model == NEHALEM_LYNNFIELD) ||
(cpuid_info.model == NEHALEM_WESTMERE))
{
power_init(numa_info.nodes[0].processors[0]);
}
else
{
fprintf (stderr, "Query Turbo Mode only supported on Intel Nehalem/Westmere/SandyBridge/IvyBridge/Haswell processors!\n");
exit(EXIT_FAILURE);
}
double clock = (double) timer_getCpuClock();
printf(HLINE);
printf("CPU name:\t%s \n",cpuid_info.name);
printf("CPU clock:\t%3.2f GHz \n", (float) clock * 1.E-09);
printf(HLINE);
if (optInfo)
{
if (power_info.turbo.numSteps != 0)
{
printf("Base clock:\t%.2f MHz \n", power_info.baseFrequency );
printf("Minimal clock:\t%.2f MHz \n", power_info.minFrequency );
printf("Turbo Boost Steps:\n");
for (int i=0; i < power_info.turbo.numSteps; i++ )
{
printf("C%d %.2f MHz \n",i+1, power_info.turbo.steps[i] );
}
}
printf(HLINE);
}
if (cpuid_info.model == SANDYBRIDGE_EP)
{
hasDRAM = 1;
}
else if ((cpuid_info.model != SANDYBRIDGE) &&
(cpuid_info.model != SANDYBRIDGE_EP) &&
(cpuid_info.model != IVYBRIDGE) &&
(cpuid_info.model != IVYBRIDGE_EP) &&
(cpuid_info.model != HASWELL))
{
fprintf (stderr, "RAPL not supported on this processor!\n");
exit(EXIT_FAILURE);
}
if (optInfo)
{
printf("Thermal Spec Power: %g Watts \n", power_info.tdp );
printf("Minimum Power: %g Watts \n", power_info.minPower);
printf("Maximum Power: %g Watts \n", power_info.maxPower);
printf("Maximum Time Window: %g micro sec \n", power_info.maxTimeWindow);
printf(HLINE);
exit(EXIT_SUCCESS);
}
if (optClock)
{
affinity_init();
argString = bformat("S%u:0-%u", threadsSockets[0], cpuid_topology.numCoresPerSocket-1);
for (int i=1; i<numSockets; i++)
{
bstring tExpr = bformat("@S%u:0-%u", threadsSockets[i], cpuid_topology.numCoresPerSocket-1);
bconcat(argString, tExpr);
}
numThreads = bstr_to_cpuset(threads, argString);
bdestroy(argString);
perfmon_init(numThreads, threads, stdout);
perfmon_setupEventSet(eventString, NULL);
}
{
PowerData pDataPkg[MAX_NUM_NODES*2];
PowerData pDataDram[MAX_NUM_NODES*2];
printf("Measure on sockets: %d", threadsSockets[0]);
for (int i=1; i<numSockets; i++)
{
printf(", %d", threadsSockets[i]);
}
printf("\n");
if (optStethoscope)
{
if (optClock)
{
perfmon_startCounters();
}
else
{
for (int i=0; i<numSockets; i++)
{
int cpuId = numa_info.nodes[threadsSockets[i]].processors[0];
if (hasDRAM) power_start(pDataDram+i, cpuId, DRAM);
power_start(pDataPkg+i, cpuId, PKG);
}
}
sleep(optStethoscope);
if (optClock)
{
perfmon_stopCounters();
perfmon_printCounterResults();
perfmon_finalize();
}
else
{
for (int i=0; i<numSockets; i++)
{
int cpuId = numa_info.nodes[threadsSockets[i]].processors[0];
power_stop(pDataPkg+i, cpuId, PKG);
if (hasDRAM) power_stop(pDataDram+i, cpuId, DRAM);
}
}
runtime = (double) optStethoscope;
}
else
{
TimerData time;
argv += optind;
bstring exeString = bfromcstr(argv[0]);
for (int i=1; i<(argc-optind); i++)
{
bconchar(exeString, ' ');
bcatcstr(exeString, argv[i]);
}
printf("%s\n",bdata(exeString));
if (optClock)
{
perfmon_startCounters();
}
else
{
for (int i=0; i<numSockets; i++)
{
int cpuId = numa_info.nodes[threadsSockets[i]].processors[0];
if (hasDRAM) power_start(pDataDram+i, cpuId, DRAM);
power_start(pDataPkg+i, cpuId, PKG);
}
timer_start(&time);
}
if (system(bdata(exeString)) == EOF)
{
fprintf(stderr, "Failed to execute %s!\n", bdata(exeString));
exit(EXIT_FAILURE);
}
if (optClock)
{
perfmon_stopCounters();
perfmon_printCounterResults();
perfmon_finalize();
}
else
{
timer_stop(&time);
for (int i=0; i<numSockets; i++)
{
int cpuId = numa_info.nodes[threadsSockets[i]].processors[0];
power_stop(pDataPkg+i, cpuId, PKG);
if (hasDRAM) power_stop(pDataDram+i, cpuId, DRAM);
}
runtime = timer_print(&time);
}
}
if (!optClock)
{
printf("Runtime: %g second \n",runtime);
printf(HLINE);
for (int i=0; i<numSockets; i++)
{
printf("Socket %d\n",threadsSockets[i]);
printf("Domain: PKG \n");
printf("Energy consumed: %g Joules \n", power_printEnergy(pDataPkg+i));
printf("Power consumed: %g Watts \n", power_printEnergy(pDataPkg+i) / runtime );
if (hasDRAM)
{
printf("Domain: DRAM \n");
printf("Energy consumed: %g Joules \n", power_printEnergy(pDataDram+i));
printf("Power consumed: %g Watts \n", power_printEnergy(pDataDram+i) / runtime );
}
printf("\n");
}
}
}
#if 0
if ( cpuid_hasFeature(TM2) )
{
thermal_init(0);
printf("Current core temperatures:\n");
for (uint32_t i = 0; i < cpuid_topology.numCoresPerSocket; i++ )
{
printf("Core %d: %u C\n",
numa_info.nodes[socketId].processors[i],
thermal_read(numa_info.nodes[socketId].processors[i]));
}
}
#endif
msr_finalize();
return EXIT_SUCCESS;
}
int main(int argc, char* argv[])
{
int i, j;
int err;
int* cpus;
int gid;
double result = 0.0;
char estr[] = "INSTR_RETIRED_ANY:FIXC0,CPU_CLK_UNHALTED_CORE:FIXC1,CPU_CLK_UNHALTED_REF:FIXC2,TEMP_CORE:TMP0";
// Load the topology module and print some values.
err = topology_init();
if (err < 0)
{
printf("Failed to initialize LIKWID's topology module\n");
return 1;
}
// CpuInfo_t contains global information like name, CPU family, ...
CpuInfo_t info = get_cpuInfo();
// CpuTopology_t contains information about the topology of the CPUs.
CpuTopology_t topo = get_cpuTopology();
// Create affinity domains. Commonly only needed when reading Uncore counters
//affinity_init();
printf("Likwid example on a %s with %d CPUs\n", info->name, topo->numHWThreads);
cpus = (int*)malloc(topo->numHWThreads * sizeof(int));
if (!cpus)
return 1;
for (i=0;i<topo->numHWThreads;i++)
{
cpus[i] = topo->threadPool[i].apicId;
}
// Must be called before perfmon_init() but only if you want to use another
// access mode as the pre-configured one. For direct access (0) you have to
// be root.
//accessClient_setaccessmode(0);
// Initialize the perfmon module.
err = perfmon_init(topo->numHWThreads, cpus);
if (err < 0)
{
printf("Failed to initialize LIKWID's performance monitoring module\n");
topology_finalize();
return 1;
}
// Add eventset string to the perfmon module.
gid = perfmon_addEventSet(estr);
if (gid < 0)
{
printf("Failed to add event string %s to LIKWID's performance monitoring module\n", estr);
perfmon_finalize();
topology_finalize();
return 1;
}
// Setup the eventset identified by group ID (gid).
err = perfmon_setupCounters(gid);
if (err < 0)
{
printf("Failed to setup group %d in LIKWID's performance monitoring module\n", gid);
perfmon_finalize();
topology_finalize();
return 1;
}
// Start all counters in the previously set up event set.
err = perfmon_startCounters();
if (err < 0)
{
printf("Failed to start counters for group %d for thread %d\n",gid, (-1*err)-1);
perfmon_finalize();
topology_finalize();
return 1;
}
// Perform something
sleep(2);
// Stop all counters in the previously started event set.
err = perfmon_stopCounters();
if (err < 0)
{
printf("Failed to stop counters for group %d for thread %d\n",gid, (-1*err)-1);
perfmon_finalize();
topology_finalize();
return 1;
}
// Print the result of every thread/CPU for all events in estr.
char* ptr = strtok(estr,",");
j = 0;
while (ptr != NULL)
{
for (i = 0;i < topo->numHWThreads; i++)
{
result = perfmon_getResult(gid, j, cpus[i]);
printf("Measurement result for event set %s at CPU %d: %f\n", ptr, cpus[i], result);
}
ptr = strtok(NULL,",");
j++;
}
// Uninitialize the perfmon module.
perfmon_finalize();
// Uninitialize the topology module.
topology_finalize();
return 0;
}