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[Bug 803943] Re: compiz consuming a lot of cpu

To: compiz@xxxxxxxxxxxxxxxxxxx
From: Daniel van Vugt <daniel.van.vugt@xxxxxxxxxxxxx>
Date: Tue, 15 May 2012 02:32:34 -0000
Reply-to: Bug 803943 <803943@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

OK, here's a quick guide to recording a performance profile of compiz
that we might be able to use...

1. INSTALLATION
sudo apt-get install linux-tools-common
Then you also need the package specific for your kernel. You can find out what it is called by running "perf". That will tell you what you need.

2. RECORD PERFORMANCE
Start this and let it run for a while:
    perf record -p `pidof compiz`
Then stop it with Ctrl+C.

3. CREATE A REPORT
In the same directory (where perf record created file 'perf.data'), run:
    perf report > compizperf.txt

And attach the file compizperf.txt to this bug.

It's quite possible that this kind of simple flat profile won't help us.
If that's true then you just need to add the -g flag to the perf record
command. But don't do that yet.

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https://bugs.launchpad.net/bugs/803943

Title:
  compiz consuming a lot of cpu

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