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Old 12-19-2009, 04:44 PM   #1
Registered: Jun 2007
Distribution: Fedora, RHEL, Centos
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identify files used opening an application?

I want to experiment using the readahead package in Fedora. From what I have read, I can give it a list of files to have it read them into ram cache which will speed up application start-up speed. I have 4GB of ram on my laptop and generally only sit around 300mb used; so I have plenty of io cache I can benefit from.

I plan to test with Songbird. When I first boot Songbird after a restart, it takes 11.53 secs to boot. If I close and reopen the app, it takes 3.43 seconds presumably because the files are already in io cache.

I need to find out what files are loaded when Songbird starts. How to I find this out?

Running `ldd songbird-bin` gives me a very short list of so files, so there must be other files that are read. Is there some standard way of finding this out or someway to monitor this?

Perhaps a trick I can do with lsof?

Old 12-19-2009, 04:48 PM   #2
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Try using strace.


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Old 12-19-2009, 05:06 PM   #3
Registered: Jun 2007
Distribution: Fedora, RHEL, Centos
Posts: 294

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worked perfectly.
`strace -e trace=file ./songbird`

Also complained about some other errors that I might be able to address while I am here (missing gstreamer libs and so on).
thank you.


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