8330 kvm:kvm_entry # 0.000 M/sec ^--- count since starting perf
The 8330 number means that kvm_entry has fired 8330 times since perf was started. Like Avi says, you need to keep the perf process running. I run benchmarks using a script that kills perf after the benchmark completes. Jes, you're right, something like "perf stat -e kvm:* --start" and "perf stat --stop" would be more usable for system-wide monitoring. I wonder if it is possible to support this or whether the perf process needs to periodically accumulate the counters (i.e. babysit the kernel infrastructure)? Stefan -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
