Messages in this thread | | | From | Namhyung Kim <> | Subject | Re: [PATCH V2 7/7] perf, x86: Discard zero length call entries in LBR call stack | Date | Thu, 25 Oct 2012 18:12:49 +0900 |
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Hi,
On Wed, 24 Oct 2012 13:59:10 +0800, Zheng Yan wrote: > From: "Yan, Zheng" <zheng.z.yan@intel.com> > > Zero length calls may confuse the hardware and make the recorded > call stack incorrect. Try fixing the call stack by discarding > zero length call entries.
It would be great adding an explanation what is the "zero length call" and why it makes a confusion.
Thanks, Namhyung
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