Messages in this thread | | | Date | Tue, 7 Oct 2014 18:29:56 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH V5 11/16] perf, core: Pass perf_sample_data to perf_callchain() |
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On Tue, Oct 07, 2014 at 03:50:45PM +0000, Liang, Kan wrote: > The data is originally from br_stack which is LBR format.
Right, its read from the LBR, therefore this must be.
> What the patch did is to convert it to CALLCHAIN output format in kernel.
I saw that.
> So you'd like to let the kernel pass the LBR output format data to user space > perf tool, and let perf tool to generate the callchain information?
Right, then we can also compare the two when they're both available.
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