lkml.org 
[lkml]   [2021]   [Jun]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] kprobes: Print an error if probe is rejected
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

\
 
 \ /
  Last update: 2021-06-10 19:34    [W:0.880 / U:0.004 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site