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[Xen-devel] Questions about Using Perf at Dom0


  • To: "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>
  • From: Sanghyun Hong <shhong@xxxxxxx>
  • Date: Mon, 29 Aug 2016 13:18:48 +0000
  • Accept-language: en-US
  • Cc: Alina Nicolae <alinanicolae992@xxxxxxxxx>
  • Delivery-date: Mon, 29 Aug 2016 13:44:04 +0000
  • Ironport-phdr: 9a23:PJVdFRBRXmMvbbp5+MQSUyQJP3N1i/DPJgcQr6AfoPdwSP/7osbcNUDSrc9gkEXOFd2CrakV0qyK7+u+AyRAuc/H6yFaNsQUFlcssoY/p0QYGsmLCEn2frbBThcRO4B8bmJj5GyxKkNPGczzNBX4q3y26iMOSF2kbVImbtr8FoOatcmrzef6o8SVOFQRwmbhKu0oZFXu9EOK55FQ2dMjYo8KiTLx6kNSfOpXwW46bXmypD3bovmKwZh47i5LsOgg/cMTGY/zfqA/UKAKRG9+azN9zITRuBLCVQqC4GcHGiVTy0IQQluN0BavFIf8tG72u/Rw3AGePNbqVvYkVDLk6L1kAle8mCoBcjI07mzToshxl75A5gKsoVp42YGCM6+PM/8rRarbctMLWGwJfsFXWGQVGYO8aI0AJ/cEMaBVo5Sr9AhGlge3GQT5XLCn8TRPnHKjmPRii+k=
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>
  • Thread-index: AQHSAffgt92RqqUc3UudtVvOEpUGdw==
  • Thread-topic: Questions about Using Perf at Dom0

Dear Xen-Devel Community:

I’m a grad student working on measuring performance counters at the Xen domains. I read this thread(https://wiki.xenproject.org/wiki/Xen_Profiling:_oprofile_and_perf) in web, and it says using Linux perf command will let us collecting performance counters in both 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.

---------------------------------------------------------------------------------
Ph.D. student in the Department of Computer Science,
University of Maryland - College Park, United States.
(M) (301) 771 - 1475
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