Messages in this thread | | | Date | Mon, 10 Sep 2012 17:26:07 +0800 | From | Xiao Guangrong <> | Subject | Re: [PATCH v2] KVM: trace the events of mmu_notifier |
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On 09/10/2012 05:09 PM, Avi Kivity wrote: > On 09/07/2012 09:16 AM, Xiao Guangrong wrote: >> mmu_notifier is the interface to broadcast the mm events to KVM, the >> tracepoints introduced in this patch can trace all these events, it is >> very helpful for us to notice and fix the bug caused by mm > > There is nothing kvm specific here. Perhaps this can be made generic > (with a mm parameter so we can filter by process).
Hmm, i would like to put these tracepoints in the mmu-lock then we can clearly know the sequence between mm and kvm mmu. It is useful for us to detect the issue/race between them.
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