Messages in this thread | | | Date | Tue, 13 Nov 2007 16:17:18 +0100 | From | "Robert Richter" <> | Subject | perfmon2 merge news |
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On 10.11.07 21:32:39, Andi Kleen wrote: > It would be really good to extract a core perfmon and start with > that and then add stuff as it makes sense. > > e.g. core perfmon could be something simple like just support > to context switch state and initialize counters in a basic way > and perhaps get counter numbers for RDPMC in ring3 on x86[1]
Perhaps a core could provide also as much functionality so that Perfmon can be used with an *unpatched* kernel using loadable modules? One drawback with today's Perfmon is that it can not be used with a vanilla kernel. But maybe such a core is by far too complex for a first merge.
-Robert
-- Advanced Micro Devices, Inc. Operating System Research Center email: robert.richter@amd.com
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