Messages in this thread | | | Date | Thu, 16 Apr 2015 09:55:43 -0700 | From | Dave Hansen <> | Subject | Re: [PATCH 1/4] x86, mm: Trace when an IPI is about to be sent |
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On 04/16/2015 03:22 AM, Mel Gorman wrote: > It is easy to trace when an IPI is received to flush a TLB but harder to > detect what event sent it. This patch makes it easy to identify the source > of IPIs being transmitted for TLB flushes on x86.
Looks fine to me. I think I even thought about adding this but didn't see an immediate need for it. I guess this does let you see how many IPIs are sent vs. received.
Reviewed-by: Dave Hansen <dave.hansen@intel.com>
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