intel/ds: avoid dropping traces when running out of shared memory

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Acked-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24744>

diff --git a/src/intel/ds/intel_driver_ds.cc b/src/intel/ds/intel_driver_ds.cc
index 25f63b9..a27b9ae 100644 (file)
--- a/src/intel/ds/intel_driver_ds.cc
+++ b/src/intel/ds/intel_driver_ds.cc
@@ -107,6 +107,10 @@ struct IntelRenderpassTraits : public perfetto::DefaultDataSourceTraits {
 
 class IntelRenderpassDataSource : public MesaRenderpassDataSource<IntelRenderpassDataSource,
                                                                   IntelRenderpassTraits> {
+public:
+   /* Make sure we're not losing traces due to lack of shared memory space */
+   constexpr static perfetto::BufferExhaustedPolicy kBufferExhaustedPolicy =
+      perfetto::BufferExhaustedPolicy::kDrop;
 };
 
 PERFETTO_DECLARE_DATA_SOURCE_STATIC_MEMBERS(IntelRenderpassDataSource);