drm/amd/amdgpu : adding new tracepoints to track memory information.

 - adding amdgpu_cs_bo_status to track total size and
   total entry count of bo for each submission.
 - adding amdgpu_ttm_bo_move to track the bo eviction
   including the size of bo and the location before/after the move

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

3 files changed, 43 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
index 823bf5e0b0c8..651115dcce12 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
@@ -94,6 +94,7 @@ static int amdgpu_bo_list_set(struct amdgpu_device *adev,
         unsigned last_entry = 0, first_userptr = num_entries;
         unsigned i;
         int r;
+        unsigned long total_size = 0;
 
         array = drm_malloc_ab(num_entries, sizeof(struct amdgpu_bo_list_entry));
         if (!array)
@@ -140,6 +141,7 @@ static int amdgpu_bo_list_set(struct amdgpu_device *adev,
                 if (entry->robj->prefered_domains == AMDGPU_GEM_DOMAIN_OA)
                         oa_obj = entry->robj;
 
+                total_size += amdgpu_bo_size(entry->robj);
                 trace_amdgpu_bo_list_set(list, entry->robj);
         }
 
@@ -155,6 +157,7 @@ static int amdgpu_bo_list_set(struct amdgpu_device *adev,
         list->array = array;
         list->num_entries = num_entries;
 
+        trace_amdgpu_cs_bo_status(list->num_entries, total_size);
         return 0;
 
 error_free:
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 7ecea83ce453..6f0873c75a25 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -589,6 +589,7 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
                            struct ttm_mem_reg *new_mem)
 {
         struct amdgpu_bo *rbo;
+        struct ttm_mem_reg *old_mem = &bo->mem;
 
         if (!amdgpu_ttm_bo_is_amdgpu_bo(bo))
                 return;
@@ -602,6 +603,8 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
 
         /* move_notify is called before move happens */
         amdgpu_update_memory_usage(rbo->adev, &bo->mem, new_mem);
+
+        trace_amdgpu_ttm_bo_move(rbo, new_mem->mem_type, old_mem->mem_type);
 }
 
 int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
index e4992210e587..499803f3ce3a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
@@ -307,6 +307,43 @@ TRACE_EVENT(amdgpu_bo_list_set,
                       __entry->bo_size)
 );
 
+TRACE_EVENT(amdgpu_cs_bo_status,
+            TP_PROTO(uint64_t total_bo, uint64_t total_size),
+            TP_ARGS(total_bo, total_size),
+            TP_STRUCT__entry(
+                        __field(u64, total_bo)
+                        __field(u64, total_size)
+                        ),
+
+            TP_fast_assign(
+                        __entry->total_bo = total_bo;
+                        __entry->total_size = total_size;
+                        ),
+            TP_printk("total bo size = %Ld, total bo count = %Ld",
+                        __entry->total_bo, __entry->total_size)
+);
+
+TRACE_EVENT(amdgpu_ttm_bo_move,
+            TP_PROTO(struct amdgpu_bo* bo, uint32_t new_placement, uint32_t old_placement),
+            TP_ARGS(bo, new_placement, old_placement),
+            TP_STRUCT__entry(
+                        __field(struct amdgpu_bo *, bo)
+                        __field(u64, bo_size)
+                        __field(u32, new_placement)
+                        __field(u32, old_placement)
+                        ),
+
+            TP_fast_assign(
+                        __entry->bo      = bo;
+                        __entry->bo_size = amdgpu_bo_size(bo);
+                        __entry->new_placement = new_placement;
+                        __entry->old_placement = old_placement;
+                        ),
+            TP_printk("bo=%p from:%d to %d with size = %Ld",
+                        __entry->bo, __entry->old_placement,
+                        __entry->new_placement, __entry->bo_size)
+);
+
 #endif
 
 /* This part must be outside protection */