[PATCH] drm/xe: Trace xe_bo_validate

[Oak Zeng]

Add a tracepoint for xe_bo_validate function. I found this is
useful during debug issues.

Signed-off-by: Oak Zeng <oak.zeng at intel.com>
---
 drivers/gpu/drm/xe/xe_bo.c       | 1 +
 drivers/gpu/drm/xe/xe_trace_bo.h | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
index bdac446bf8c06..3448ede2befa6 100644
--- a/drivers/gpu/drm/xe/xe_bo.c
+++ b/drivers/gpu/drm/xe/xe_bo.c
@@ -2004,6 +2004,7 @@ int xe_bo_validate(struct xe_bo *bo, struct xe_vm *vm, bool allow_res_evict)
 		ctx.resv = xe_vm_resv(vm);
 	}
 
+	trace_xe_bo_validate(bo);
 	return ttm_bo_validate(&bo->ttm, &bo->placement, &ctx);
 }
 
diff --git a/drivers/gpu/drm/xe/xe_trace_bo.h b/drivers/gpu/drm/xe/xe_trace_bo.h
index c6d3140542cff..e393a2dd83dbe 100644
--- a/drivers/gpu/drm/xe/xe_trace_bo.h
+++ b/drivers/gpu/drm/xe/xe_trace_bo.h
@@ -53,6 +53,11 @@ DEFINE_EVENT(xe_bo, xe_bo_create,
 	     TP_ARGS(bo)
 );
 
+DEFINE_EVENT(xe_bo, xe_bo_validate,
+	     TP_PROTO(struct xe_bo *bo),
+	     TP_ARGS(bo)
+);
+
 TRACE_EVENT(xe_bo_move,
 	    TP_PROTO(struct xe_bo *bo, uint32_t new_placement, uint32_t old_placement,
 		     bool move_lacks_source),
-- 
2.26.3