Re: [PATCH 28/52] perf script: Allow callchains if any event samples them

From: David Ahern
Date: Fri Jul 25 2014 - 11:32:25 EST

On 7/25/14, 7:27 AM, Arnaldo Carvalho de Melo wrote:
Em Tue, Jul 22, 2014 at 04:17:37PM +0300, Adrian Hunter escreveu:
perf script was not displaying callchains if any selected
event did not have PERF_SAMPLE_CALLCHAIN. Change this to
disable callchains only if all selected events do not have

I wonder if some other tool gets this wrong as well, report maybe?

perf only handles 1 sample_type so if callchains are enabled for 1 event they are enabled for all.

Perhaps Adrian's patch set changes that -- prior patch sets attempted to. I have not had time to go through the list.


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