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intel/ds: use improved timestamp correlation if available

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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24591>
This commit is contained in:
Lionel Landwerlin 2023-09-01 10:18:16 +03:00 • committed by Marge Bot
parent b2bf141b6a
commit feae70f608
1 changed files with 11 additions and 4 deletions
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15
src/intel/ds/intel_driver_ds.cc
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@ -130,10 +130,17 @@ static void
sync_timestamp(IntelRenderpassDataSource::TraceContext &ctx,
struct intel_ds_device *device)
{
uint64_t cpu_ts = perfetto::base::GetBootTimeNs().count();
uint64_t gpu_ts;
intel_gem_read_render_timestamp(device->fd, device->info.kmd_type,
&gpu_ts);
uint64_t cpu_ts, gpu_ts;
if (!intel_gem_read_correlate_cpu_gpu_timestamp(device->fd,
device->info.kmd_type,
INTEL_ENGINE_CLASS_RENDER, 0,
CLOCK_BOOTTIME,
&cpu_ts, &gpu_ts, NULL)) {
cpu_ts = perfetto::base::GetBootTimeNs().count();
intel_gem_read_render_timestamp(device->fd, device->info.kmd_type,
&gpu_ts);
}
gpu_ts = intel_device_info_timebase_scale(&device->info, gpu_ts);
if (cpu_ts < device->next_clock_sync_ns)