On 07/01/16 14:12, Will Deacon wrote: > On Thu, Jan 07, 2016 at 02:10:38PM +0000, Marc Zyngier wrote: >> On 22/12/15 08:07, Shannon Zhao wrote: >>> From: Shannon Zhao <shannon.zhao@xxxxxxxxxx> >>> >>> This patchset adds guest PMU support for KVM on ARM64. It takes >>> trap-and-emulate approach. When guest wants to monitor one event, it >>> will be trapped by KVM and KVM will call perf_event API to create a perf >>> event and call relevant perf_event APIs to get the count value of event. >>> >>> Use perf to test this patchset in guest. When using "perf list", it >>> shows the list of the hardware events and hardware cache events perf >>> supports. Then use "perf stat -e EVENT" to monitor some event. For >>> example, use "perf stat -e cycles" to count cpu cycles and >>> "perf stat -e cache-misses" to count cache misses. >> >> I finally feel like we're pretty close to something we could merge. My >> current concerns are: > > The merge window opens on Monday and I'm not prepared to take further > PMU changes at this point (unless they're bug fixes, of course). > > This needs to wait until 4.6. Fair enough. I guess I'll continue the review process and queue that early in the next cycle. Thanks, M. -- Jazz is not dead. It just smells funny... -- 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
