drm/amdgpu: trace allocated PASIDs

Trace all allocated PASIDs.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2 files changed, 26 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
index 842caa5ed73b..3b9d318cf166 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
@@ -69,6 +69,9 @@ int amdgpu_pasid_alloc(unsigned int bits)
                         break;
         }
 
+        if (pasid >= 0)
+                trace_amdgpu_pasid_allocated(pasid);
+
         return pasid;
 }
 
@@ -78,6 +81,7 @@ int amdgpu_pasid_alloc(unsigned int bits)
  */
 void amdgpu_pasid_free(unsigned int pasid)
 {
+        trace_amdgpu_pasid_freed(pasid);
         ida_simple_remove(&amdgpu_pasid_ida, pasid);
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
index 251ca921c63e..567a437f2208 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
@@ -378,6 +378,28 @@ TRACE_EVENT(amdgpu_vm_flush,
                       __entry->vm_hub,__entry->pd_addr)
 );
 
+DECLARE_EVENT_CLASS(amdgpu_pasid,
+            TP_PROTO(unsigned pasid),
+            TP_ARGS(pasid),
+            TP_STRUCT__entry(
+                             __field(unsigned, pasid)
+                             ),
+            TP_fast_assign(
+                           __entry->pasid = pasid;
+                           ),
+            TP_printk("pasid=%u", __entry->pasid)
+);
+
+DEFINE_EVENT(amdgpu_pasid, amdgpu_pasid_allocated,
+            TP_PROTO(unsigned pasid),
+            TP_ARGS(pasid)
+);
+
+DEFINE_EVENT(amdgpu_pasid, amdgpu_pasid_freed,
+            TP_PROTO(unsigned pasid),
+            TP_ARGS(pasid)
+);
+
 TRACE_EVENT(amdgpu_bo_list_set,
             TP_PROTO(struct amdgpu_bo_list *list, struct amdgpu_bo *bo),
             TP_ARGS(list, bo),