lkml.org 
[lkml]   [2009]   [Dec]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH -tip 0/8] perf-probe updates
Masami Hiramatsu wrote:
>> Here the failure was because the symbol does not exist.
>
> Yeah, so that's what I'm expecting to be implemented with below item :-)
>
> - Symbol search by libelf/kallsyms
>
> I guess it will be done by using symbol.c.
> (Actually, current

Oops, I might miss something, forgot it.
actually, current perf probe doesn't decode kallsyms/elf, it just depends on
kprobe-tracer. And kprobe-tracer will return -EINVAL not only if the symbol
was not found, but also other reasons.

So, if we want to show below message, we need to decode elf or kallsyms.

> >
> > There's similar problems in most other failure cases. Trying to remove a
> > non-existent probe gives:
> >
> > # perf probe -d test
> > Warning: event "probe:test" is not found.
> >

Thank you,

--
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division

e-mail: mhiramat@redhat.com



\
 
 \ /
  Last update: 2009-12-09 22:45    [W:0.047 / U:6.472 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site