Re: [PATCH] block: introduce block_rq_error tracepoint

From: Cong Wang
Date: Mon Jan 20 2020 - 17:25:48 EST


On Mon, Jan 20, 2020 at 10:28 AM Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> The ring buffer will hold a pointer to a location that may no longer
> exist, and cause a fault when read. Also, this makes the user space
> utilities trace-cmd and perf useless to know what the name is, as they
> read the raw ring buffer data directly.

Yeah, my bad, I will send an updated patch.

Thanks.