int main(int ac, char **av)
{
int nerr = 0;
int ncpus;
int i;
if (ac > 1)
loops = atol(av[1]);
if (ac > 2)
sec = atol(av[2]);
if (ac > 3)
threshold = atol(av[3]);
smp_init();
ncpus = cpu_count();
if (ncpus > MAX_CPU)
ncpus = MAX_CPU;
for (i = 0; i < ncpus; ++i)
on_cpu(i, kvm_clock_init, (void *)0);
if (ac > 2) {
printf("Wallclock test, threshold %ld\n", threshold);
printf("Seconds get from host: %ld\n", sec);
for (i = 0; i < ncpus; ++i)
on_cpu(i, wallclock_test, &nerr);
}
printf("Check the stability of raw cycle ...\n");
pvclock_set_flags(PVCLOCK_TSC_STABLE_BIT
| PVCLOCK_RAW_CYCLE_BIT);
if (cycle_test(ncpus, 1, &ti[0]))
printf("Raw cycle is not stable\n");
else
printf("Raw cycle is stable\n");
pvclock_set_flags(PVCLOCK_TSC_STABLE_BIT);
printf("Monotonic cycle test:\n");
nerr += cycle_test(ncpus, 1, &ti[1]);
printf("Measure the performance of raw cycle ...\n");
pvclock_set_flags(PVCLOCK_TSC_STABLE_BIT
| PVCLOCK_RAW_CYCLE_BIT);
cycle_test(ncpus, 0, &ti[2]);
printf("Measure the performance of adjusted cycle ...\n");
pvclock_set_flags(PVCLOCK_TSC_STABLE_BIT);
cycle_test(ncpus, 0, &ti[3]);
for (i = 0; i < ncpus; ++i)
on_cpu(i, kvm_clock_clear, (void *)0);
return nerr > 0 ? 1 : 0;
}
int main(int ac, char **av)
{
int ncpus;
int nerr = 0, i;
long loops = DEFAULT_TEST_LOOPS;
long sec = 0;
long threshold = DEFAULT_THRESHOLD;
if (ac > 1)
loops = atol(av[1]);
if (ac > 2)
sec = atol(av[2]);
if (ac > 3)
threshold = atol(av[3]);
smp_init();
ncpus = cpu_count();
if (ncpus > MAX_CPU)
ncpus = MAX_CPU;
for (i = 0; i < ncpus; ++i)
on_cpu(i, kvm_clock_init, (void *)0);
if (ac > 2)
nerr += wallclock_test(sec, threshold);
printf("Check the stability of raw cycle ...\n");
pvclock_set_flags(PVCLOCK_TSC_STABLE_BIT
| PVCLOCK_RAW_CYCLE_BIT);
if (cycle_test(ncpus, loops, 1, &ti[0]))
printf("Raw cycle is not stable\n");
else
printf("Raw cycle is stable\n");
pvclock_set_flags(PVCLOCK_TSC_STABLE_BIT);
printf("Monotonic cycle test:\n");
nerr += cycle_test(ncpus, loops, 1, &ti[1]);
printf("Measure the performance of raw cycle ...\n");
pvclock_set_flags(PVCLOCK_TSC_STABLE_BIT
| PVCLOCK_RAW_CYCLE_BIT);
cycle_test(ncpus, loops, 0, &ti[2]);
printf("Measure the performance of adjusted cycle ...\n");
pvclock_set_flags(PVCLOCK_TSC_STABLE_BIT);
cycle_test(ncpus, loops, 0, &ti[3]);
for (i = 0; i < ncpus; ++i)
on_cpu(i, kvm_clock_clear, (void *)0);
return nerr > 0 ? 1 : 0;
}
