Commit 3101d1fc authored by Saeed Mahameed's avatar Saeed Mahameed
Browse files

net/mlx5: FW tracer, Add debug prints 



Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent 24406953

drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c

+11 −2
Original line number Diff line number Diff line
@@ -629,14 +629,14 @@ static void mlx5_fw_tracer_handle_traces(struct work_struct *work) 
	u64 block_timestamp, last_block_timestamp, tmp_trace_block[TRACES_PER_BLOCK];

	u32 block_count, start_offset, prev_start_offset, prev_consumer_index;

	u32 trace_event_size = MLX5_ST_SZ_BYTES(tracer_event);

	struct mlx5_core_dev *dev = tracer->dev;

	struct tracer_event tracer_event;

	struct mlx5_core_dev *dev;

	int i;



	mlx5_core_dbg(dev, "FWTracer: Handle Trace event, owner=(%d)\n", tracer->owner);

	if (!tracer->owner)

		return;



	dev = tracer->dev;

	block_count = tracer->buff.size / TRACER_BLOCK_SIZE_BYTE;

	start_offset = tracer->buff.consumer_index * TRACER_BLOCK_SIZE_BYTE;
@@ -762,6 +762,7 @@ static int mlx5_fw_tracer_start(struct mlx5_fw_tracer *tracer) 
		goto release_ownership;

	}



	mlx5_core_dbg(dev, "FWTracer: Ownership granted and active\n");

	return 0;



release_ownership:
@@ -774,6 +775,7 @@ static void mlx5_fw_tracer_ownership_change(struct work_struct *work) 
	struct mlx5_fw_tracer *tracer =

		container_of(work, struct mlx5_fw_tracer, ownership_change_work);



	mlx5_core_dbg(tracer->dev, "FWTracer: ownership changed, current=(%d)\n", tracer->owner);

	if (tracer->owner) {

		tracer->owner = false;

		tracer->buff.consumer_index = 0;
@@ -830,6 +832,8 @@ struct mlx5_fw_tracer *mlx5_fw_tracer_create(struct mlx5_core_dev *dev) 
		goto free_log_buf;

	}



	mlx5_core_dbg(dev, "FWTracer: Tracer created\n");



	return tracer;



free_log_buf:
@@ -887,6 +891,9 @@ void mlx5_fw_tracer_cleanup(struct mlx5_fw_tracer *tracer) 
	if (IS_ERR_OR_NULL(tracer))

		return;



	mlx5_core_dbg(tracer->dev, "FWTracer: Cleanup, is owner ? (%d)\n",

		      tracer->owner);



	cancel_work_sync(&tracer->ownership_change_work);

	cancel_work_sync(&tracer->handle_traces_work);
@@ -903,6 +910,8 @@ void mlx5_fw_tracer_destroy(struct mlx5_fw_tracer *tracer) 
	if (IS_ERR_OR_NULL(tracer))

		return;



	mlx5_core_dbg(tracer->dev, "FWTracer: Destroy\n");



	cancel_work_sync(&tracer->read_fw_strings_work);

	mlx5_fw_tracer_clean_ready_list(tracer);

	mlx5_fw_tracer_clean_print_hash(tracer);