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RE: Systemtap on the ARM processor....
- From: "Goeusse, Francois" <f-goeusse at ti dot com>
- To: Steve Dickson <SteveD at redhat dot com>, naresh kamboju <naresh dot kernel at gmail dot com>, "Frank Ch. Eigler" <fche at redhat dot com>, Dave Brolley <brolley at redhat dot com>
- Cc: "systemtap at sources dot redhat dot com" <systemtap at sources dot redhat dot com>
- Date: Mon, 29 Mar 2010 15:40:29 +0200
- Subject: RE: Systemtap on the ARM processor....
- References: <4B9FCB12.3060908@RedHat.com>
Hi,
Systemtap is being tested on TI OMAP platforms (ARM based) for a couple of months.
If this can help, some resulting quick guidelines have been captured and are shared with the community at the following url: http://omappedia.org/wiki/Systemtap
Based on documentation delivered with systemtap and these perfectible guidelines, the tool is now functional and already significantly helps for the ARM platform debug and characterization.
As you will probably notice, systemtap rel 1.0 required some minor code tuning (kernel and tool) to run on our ARM based platform (OMAP/Android, OMAP/Poky).
Furthermore, as of today, the test coverage remains incomplete as the testsuite does not seem to fully comply with cross compilation (as mentioned by Naresh as well).
Because we have not yet migrated to the latest releases of the tool, some of these code updates might no longer be required.
However, if you believe systemtap ARM users can assist you in a way or another in the product maturation on their platforms, I guess the discussion can surely be opened.
Regards,
Francois
-----------------------------------------
Francois Goeusse
Texas Instruments - OMAP Platforms
-----------------------------------------
Texas Instruments France SA, 821 Avenue Jack Kilby, 06270 Villeneuve Loubet. 036 420 040 R.C.S Antibes. Capital de EUR 753.920
-----Original Message-----
From: systemtap-owner@sourceware.org [mailto:systemtap-owner@sourceware.org] On Behalf Of Steve Dickson
Sent: mardi 16 mars 2010 19:17
To: systemtap@sources.redhat.com
Subject: Systemtap on the ARM processor....
Hello,
I was working with some people recently and they were
looking to get systemtap working on the ARM processor.
Has a ARM port ever been attempted? If so, by whom?
If not, any guesstimates on how difficult that would be?
They are doing their development using Ubuntu and
some type of open source cross compiler. So they
want to compile the .ko on one machine and install
it on another machine as well as run the probe script
on that target machine...
Again, does this sound reasonable? Has it been done before??
steved.