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Re: [RFC] The -Og debugging experience

From Jiri Olsa <jolsa@redhat.com>
Newsgroups linux.kernel
Subject Re: [RFC] The -Og debugging experience
Date 2015-12-07 14:50 +0100
Message-ID <qD4kX-56d-19@gated-at.bofh.it> (permalink)
References <qBiLo-1hG-11@gated-at.bofh.it> <qD1wJ-3l4-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, Dec 07, 2015 at 11:48:07AM +0100, Martin Liška wrote:
> On 12/02/2015 05:48 PM, Jiri Olsa wrote:
> > heya,
> > using the -Og for DEBUG=1 builds gives me many 'optimized out' stuff
> > 
> > It was introduced in here:
> >   e8b7ea4356fd perf tools: Improve setting of gcc debug option
> > 
> > - here's backtrace from segfault I was looking at, current code:
> 
> Hi.
> 
> Can you please provide a test-case which I can use for testing of the issue?

just run perf report in gdb and kill it with sigsegv from other terminal
this gives me several instances of <optimized out> right in the backtrace

jirka
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Thread

[RFC] The -Og debugging experience Jiri Olsa <jolsa@redhat.com> - 2015-12-02 17:50 +0100
  Re: [RFC] The -Og debugging experience Ingo Molnar <mingo@kernel.org> - 2015-12-03 09:30 +0100
  Re: [RFC] The -Og debugging experience Martin Liška <mliska@suse.cz> - 2015-12-07 11:50 +0100
    Re: [RFC] The -Og debugging experience Jiri Olsa <jolsa@redhat.com> - 2015-12-07 14:50 +0100
      Re: [RFC] The -Og debugging experience Martin Liška <mliska@suse.cz> - 2015-12-07 15:10 +0100
        Re: [RFC] The -Og debugging experience Jiri Olsa <jolsa@redhat.com> - 2015-12-07 15:20 +0100
          Re: [RFC] The -Og debugging experience Martin Liška <mliska@suse.cz> - 2015-12-10 14:10 +0100
            Re: [RFC] The -Og debugging experience Jiri Olsa <jolsa@redhat.com> - 2015-12-10 14:30 +0100
              Re: [RFC] The -Og debugging experience Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-10 16:20 +0100
                Re: [RFC] The -Og debugging experience Martin Liška <mliska@suse.cz> - 2015-12-11 10:20 +0100

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