drm/amdgpu: add VM CS mapping trace point

Output all VM mappings a command submission uses.

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

2 files changed, 19 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
index 961d7265c286..76ecbaf72a2e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
@@ -111,7 +111,7 @@ TRACE_EVENT(amdgpu_vm_bo_unmap,
                       __entry->offset, __entry->flags)
 );
 
-TRACE_EVENT(amdgpu_vm_bo_update,
+DECLARE_EVENT_CLASS(amdgpu_vm_mapping,
             TP_PROTO(struct amdgpu_bo_va_mapping *mapping),
             TP_ARGS(mapping),
             TP_STRUCT__entry(
@@ -129,6 +129,16 @@ TRACE_EVENT(amdgpu_vm_bo_update,
                       __entry->soffset, __entry->eoffset, __entry->flags)
 );
 
+DEFINE_EVENT(amdgpu_vm_mapping, amdgpu_vm_bo_update,
+            TP_PROTO(struct amdgpu_bo_va_mapping *mapping),
+            TP_ARGS(mapping)
+);
+
+DEFINE_EVENT(amdgpu_vm_mapping, amdgpu_vm_bo_mapping,
+            TP_PROTO(struct amdgpu_bo_va_mapping *mapping),
+            TP_ARGS(mapping)
+);
+
 TRACE_EVENT(amdgpu_vm_set_page,
             TP_PROTO(uint64_t pe, uint64_t addr, unsigned count,
                      uint32_t incr, uint32_t flags),
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 2e15f2db06bf..0675524eb9de 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -852,6 +852,14 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
                         return r;
         }
 
+        if (trace_amdgpu_vm_bo_mapping_enabled()) {
+                list_for_each_entry(mapping, &bo_va->valids, list)
+                        trace_amdgpu_vm_bo_mapping(mapping);
+
+                list_for_each_entry(mapping, &bo_va->invalids, list)
+                        trace_amdgpu_vm_bo_mapping(mapping);
+        }
+
         spin_lock(&vm->status_lock);
         list_splice_init(&bo_va->invalids, &bo_va->valids);
         list_del_init(&bo_va->vm_status);