Messages in this thread | | | Date | Fri, 11 Dec 2009 18:51:41 -0200 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH -tip 0/8] perf-probe updates |
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Em Wed, Dec 09, 2009 at 04:41:39PM -0500, Masami Hiramatsu escreveu: > 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.
Should be easy now with my latest patch :-)
> > > > > > 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.
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