Re: [Xen-devel] Questions about Using Perf at Dom0

2016-08-30 Thread Sanghyun Hong
ovsky mailto:boris.ostrov...@oracle.com>> wrote: On 08/29/2016 08:12 PM, Sanghyun Hong wrote: Hi Boris, /[Appreciate for your support, and I have one last question]/ Since we’re using the */Xen/* hypervisor (not the KVM that is type-II), I think we cannot use the /*perf k*/*/vm/* command. H

Re: [Xen-devel] Questions about Using Perf at Dom0

2016-08-29 Thread Sanghyun Hong
e.com>> wrote: On 08/29/2016 02:42 PM, Sanghyun Hong wrote: Hi Boris, I’ve found the documentations(https://github.com/torvalds/linux/blob/master/Documentation/ABI/testing/sysfs-hypervisor-pmu) in the kernel source code, and it seems like if we change the mode from *self* to *all* then we

Re: [Xen-devel] Questions about Using Perf at Dom0

2016-08-29 Thread Sanghyun Hong
n from samples will work. I wonder if you can agree with that. Best, Sanghyun. On Aug 29, 2016, at 6:37 PM, Boris Ostrovsky mailto:boris.ostrov...@oracle.com>> wrote: On 08/29/2016 05:48 PM, Sanghyun Hong wrote: I really appreciate for your answers. Last but not the least, I want to

Re: [Xen-devel] Questions about Using Perf at Dom0

2016-08-29 Thread Sanghyun Hong
into the source code of the patches, and it seems there’s a way to do it. Even if your codes are outdated, I think I can manage to port it. I will promise once I finish the porting, I will share my adjustment of your code as well. Best, Sanghyun. > On Aug 29, 2016, at 5:24 PM, Boris Ostrovsky

Re: [Xen-devel] Questions about Using Perf at Dom0

2016-08-29 Thread Sanghyun Hong
, Sanghyun. On Aug 29, 2016, at 12:36 PM, Boris Ostrovsky mailto:boris.ostrov...@oracle.com>> wrote: On 08/29/2016 09:18 AM, Sanghyun Hong wrote: Dear Xen-Devel Community: I’m a grad student working on measuring performance counters at the Xen domains. I read this thread(https://wiki.xenproje

[Xen-devel] Questions about Using Perf at Dom0

2016-08-29 Thread Sanghyun Hong
dom0 and domU. Does it mean that we can collect both of them at once if we run perf command on the dom0? (If not, does it mean we can collect counters for each domain separately once we run the perf command in each domain? All the best, Sanghyun