Messages in this thread | | | Date | Thu, 10 Jun 2021 13:33:46 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH] kprobes: Print an error if probe is rejected |
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On Thu, 10 Jun 2021 19:16:43 +0900 Masami Hiramatsu <mhiramat@kernel.org> wrote:
> Hmm, Nack for this way, but I understand that is a problem. > If you got the error in perf probe, which uses ftrace dynamic-event interface. > In that case, the errors should not be output in the dmesg, but are reported > via error_log in tracefs. > And kprobes itself should return different error code to the caller, instead > of printing error in dmesg. See below.
We should update perf to use libtracefs that also has an interface to read the error_log file.
-- Steve
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