Messages in this thread | | | Date | Thu, 02 Feb 2012 19:36:32 +0200 | From | Avi Kivity <> | Subject | Re: [PATCH v2 2/3] KVM: x86: add tracepoints to trace mmio begin and complete |
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On 02/02/2012 07:27 PM, Xiao Guangrong wrote: > From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> > > 'perf kvm-events' will use kvm_exit and kvm_mmio(read...) to calculate > mmio read emulated time for the old kernel, in order to trace mmio read > event more exactly, we add kvm_mmio_begin to trace the time when mmio read > begins > > Also, add kvm_mmio_done to trace the time when mmio/pio is completed
Previously, we discussed using the kvm_entry to do this. This reduces the number of tracepoints, and is backwards compatible. What was the conclusion?
-- error compiling committee.c: too many arguments to function
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