On Thu, May 20, 2010 at 1:14 PM, Avi Kivity <avi@xxxxxxxxxx> wrote: >> echo 1>/sys/kernel/debug/tracing/events/kvm/enable >> cat /sys/kernel/debug/tracing/trace_pipe>results/trace& > > perf will enable the events by itself (no?), so all you need is is the perf > call in the middle. Yes, it will enable events. However, I am also generating a kvm_trace-like log using trace_pipe. On this box I couldn't get perf trace working so I used trace_pipe for the kvm_trace-equivalent and perf stat for the kvm_stat equivalent. Stefan -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html