Messages in this thread | | | Subject | Re: kvmmmu tracing | From | Johannes Berg <> | Date | Tue, 24 Nov 2009 11:05:30 +0100 |
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On Tue, 2009-11-24 at 11:50 +0200, Avi Kivity wrote: > On 11/23/2009 01:06 PM, Johannes Berg wrote: > > Commit f691fe1da7e2715137d21ae5a80bec64db4625db is really broken wrt. > > the userspace interface for tracing because of the weird > > KVM_MMU_PAGE_PRINTK macro. > > > > > > Can you explain what is wrong with it?
It's a big C expression that trace-cmd can't parse :)
> Is userspace reading mmutrace.h? When the structure attributes can be > exported via /sys/kernel/debug/tracing?
Yes ... look at /sys/kernel/debug/tracing/events/kvmmmu/kvm_mmu_unsync_page/format for instance.
johannes [unhandled content-type:application/pgp-signature] | |