tracer_timestamp_event
urts = MLX5_GET(tracer_timestamp_event, trace, urts);
timestamp_low = MLX5_GET(tracer_timestamp_event,
timestamp_mid = MLX5_GET(tracer_timestamp_event,
timestamp_high = MLX5_GET(tracer_timestamp_event,
struct tracer_timestamp_event timestamp_event =
struct tracer_timestamp_event timestamp_event;