Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH RFC] x86: avoid atomic operation in test_and_set_bit_lock if possible | Date | Thu, 24 Mar 2011 14:42:07 -0700 |
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Eric Dumazet <eric.dumazet@gmail.com> writes: > > [ 0.015998] Performance Events: PEBS fmt0+, Core2 events, Broken BIOS detected, using software events only. > [ 0.015998] [Firmware Bug]: the BIOS has corrupted hw-PMU resources (MSR 186 is 43003c)
There should be a BIOS setting to disable that (something with p-states likely).
> I am pretty sure I used "-e ..." some time ago with same BIOS.
The "if anyone else uses the PMU throw in your toys and sulk" check was only recently added.
Or fix perf just ignore counters that are already used. The others should work fine.
-Andi
-- ak@linux.intel.com -- Speaking for myself only
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