* perf top and multithreaded applications
@ 2013-05-31 9:04 Holger Brunck
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From: Holger Brunck @ 2013-05-31 9:04 UTC (permalink / raw)
To: linux-perf-users
Hi all,
I have a question to use perf on a multithread application.
I am able to attach "perf top" to a specific TID with "-t" and then I see only
the symbols and performance of this specific thread.
Am I able to zoom into a specific thread if I start "perf top" in a system wide
mode? I am able to switch between different processes and see the performance
measured for this specific process. But if this process is multithreaded I am
unable to zoom further into one of his threads. The symbols which are shown are
always for the whole process.
So is this in general possible? Am I miss something?
I currently use perf taken from the 3.4 kernel on a embedded powerpc board
running a 3.0.40 kernel.
Many thanks in advance.
Regards
Holger
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