| | Date | Thu, 7 Jun 2012 15:28:01 +0200 | | From | Andi Kleen <> | | Subject | Re: [PATCH] perf/x86: check ucode before disabling PEBS on SandyBridge |
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> This will only warn about the PEBS issue once you try and use a PEBS > counter. Shouldn't we do this on boot? IOW. put check_pebs_quirks()
At boot the new microcode may not be loaded yet. So you have to delay the check.
-Andi
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