From 3101d1fc6b8678f45f703293441715a9b5b86cad Mon Sep 17 00:00:00 2001 From: Saeed Mahameed Date: Thu, 3 May 2018 16:44:46 -0700 Subject: [PATCH] net/mlx5: FW tracer, Add debug prints Signed-off-by: Saeed Mahameed --- .../ethernet/mellanox/mlx5/core/diag/fw_tracer.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c index 309842de272c..d4ec93bde4de 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c @@ -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);