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[Xen-devel] Fw: About using Oprofile0.9.5 in xen environment
- To: xen <xen-devel@xxxxxxxxxxxxxxxxxxx>
- From: Fasiha Ashraf <feehapk@xxxxxxxxxxx>
- Date: Thu, 8 Oct 2009 17:16:36 +0530 (IST)
- Cc: Xen users <james.harper@xxxxxxxxxxxxxxxx>
- Delivery-date: Thu, 08 Oct 2009 04:47:08 -0700
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- List-id: Xen developer discussion <xen-devel.lists.xensource.com>
I am using oprofile-0.9.5 with xen3.4 an pv os kernel-2.6.30.
Linux HPCNL-SR-2 2.6.30-rc6-tip #1 SMP Tue Aug 25 12:26:16 PKST 2009 i686 i686 i386 GNU/Linux
I just simply installed it using these instructions i don't use any xenoprof patch.
1- ./configure --with-kernel-support
2- make
3- make install
these are my opcontrol --status
Daemon running: pid 3033
Event 0:
CPU_CLK_UNHALTED:100000:0:1:1
Separate options: library
vmlinux file: none
Image filter: none
Call-graph depth: 6
I am profiling netperf activity in dom0. but when i do opreport the following errors occur.
1- error: no sample files found: profile specification too strict ?
2- opreport error: No sample file found: try running opcontrol --dump
or
specify a session containing sample files
this is my oprofile log file output
---- Statistics for cpu : 3
Nr. samples lost cpu buffer overflow: 0
Nr. samples received: 0
Nr. backtrace aborted: 0
Nr. samples lost invalid pc: 0
---- Statistics for cpu : 2
Nr. samples lost cpu buffer overflow: 0
Nr. samples received: 0
Nr. backtrace aborted: 0
Nr. samples lost invalid pc: 0
---- Statistics for cpu : 1
Nr. samples lost cpu buffer overflow: 0
Nr. samples received: 0
Nr. backtrace aborted: 0
Nr. samples lost invalid pc: 0
---- Statistics for cpu : 0
Nr. samples lost cpu buffer overflow: 0
Nr. samples received: 0
Nr. backtrace aborted: 0
Nr. samples lost invalid pc: 0
Why is that so.... Why is it not collecting any data samples
Regards
Fasiha Ashraf |
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