Messages in this thread | | | Date | Wed, 14 Nov 2007 20:15:56 +0100 | From | Andi Kleen <> | Subject | Re: [perfmon] Re: [perfmon2] perfmon2 merge news |
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> BTW, isn't rdpmc only enable for ring 0 on linux ? I remember a patch > to disable it, dunno if it has been applied.
Obviously -- without a system call to set up performance counters it would be fairly useless. But of course once such system calls are in they should be able to trigger the bit for each process.
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