unsigned long long dm_get_timestamp(struct dc_context *ctx)
{
struct timespec64 time;
getrawmonotonic64(&time);
return timespec64_to_ns(&time);
}
static int kfd_ioctl_get_clock_counters(struct file *filep,
struct kfd_process *p, void *data)
{
struct kfd_ioctl_get_clock_counters_args *args = data;
struct kfd_dev *dev;
struct timespec64 time;
dev = kfd_device_by_id(args->gpu_id);
if (dev == NULL)
return -EINVAL;
/* Reading GPU clock counter from KGD */
args->gpu_clock_counter =
dev->kfd2kgd->get_gpu_clock_counter(dev->kgd);
/* No access to rdtsc. Using raw monotonic time */
getrawmonotonic64(&time);
args->cpu_clock_counter = (uint64_t)timespec64_to_ns(&time);
get_monotonic_boottime64(&time);
args->system_clock_counter = (uint64_t)timespec64_to_ns(&time);
/* Since the counter is in nano-seconds we use 1GHz frequency */
args->system_clock_freq = 1000000000;
return 0;
}
