Messages in this thread | | | Date | Thu, 15 Sep 2016 07:10:14 -0500 | From | Josh Poimboeuf <> | Subject | Re: perf: perf_fuzzer lockup in perf_cgroup_attach |
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On Thu, Sep 15, 2016 at 09:24:25AM +0200, Peter Zijlstra wrote: > On Wed, Sep 14, 2016 at 10:35:49PM -0700, Stephane Eranian wrote: > > On Wed, Sep 14, 2016 at 7:43 PM, Vince Weaver <vincent.weaver@maine.edu> wrote: > > > > > > so the skylake that was fuzzing finally is mostly locked up. > > > > > > Really hard to tell what's going, especially as KASLR made looking up the > > > addresses a big pain. > > > > > I would think there is a way to disable KASLR for this kind of testing! > > I always kill CONFIG_RANDOMIZE_BASE, but there's also talk of killing > the address print entirely.. :-( > > https://lkml.kernel.org/r/20160831165303.tvcudt7wkpechuqt@treble
So you should be able to do something like:
echo "list *driver_probe_device+0x223" |gdb vmlinux |grep "is in"
Though that's admittedly quite a bit slower than addr2line.
-- Josh
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