Messages in this thread | | | Date | Wed, 23 Jul 2014 09:07:32 +0300 | From | Adrian Hunter <> | Subject | Re: [PATCH 01/52] perf tools: Fix jump label always changing during tracing |
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On 07/22/2014 05:11 PM, Peter Zijlstra wrote: > On Tue, Jul 22, 2014 at 11:00:34AM -0300, Arnaldo Carvalho de Melo wrote: >> Em Tue, Jul 22, 2014 at 04:17:10PM +0300, Adrian Hunter escreveu: >>> Intel PT decoding walks the object code to reconstruct >>> the trace. A jump label change during tracing causes >>> decoding errors. > > You'd better fix that, jump_labels can change any time and they're all > over the frigging place. >
Perhaps a general method is needed to be able to deal with kernel self-modifying code.
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