Messages in this thread | | | Date | Fri, 14 Mar 2014 16:08:46 -0400 | From | Dave Jones <> | Subject | Re: [RFC] improve_stack: make stack dump output useful again |
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On Fri, Mar 14, 2014 at 12:32:23PM -0700, Linus Torvalds wrote: > On Fri, Mar 14, 2014 at 12:08 PM, Dave Jones <davej@redhat.com> wrote: > > > > ok, nokalsr makes it work too. > > Booting with that and using the perf binary from 3.14rc6 , I just see.. > > > > 9.30% [kernel] [k] 0xffffffffaf18e887 > > Hmm. Do you have CONFIG_KALLSYMS enabled?
$ grep KALLSYMS .config CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y
mine looks like this.. http://codemonkey.org.uk/junk/kallsyms
> I have CONFIG_RANDOMIZE_BASE=y and perf (both report and top) seems to > work fine for me (current git, not v3.14-rc6, but still)
yeah, on current now too.
CONFIG_RANDOMIZE_BASE=y CONFIG_RANDOMIZE_BASE_MAX_OFFSET=0x40000000
Dave
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