Hi all,
I am trying to do Xen / Kernel profiling.
So I tried passive domain profile with oprofile tool in Dom0 as below.
* Environment 1
+ i7-2600 CPU
+ XCP 1.6 Base ISO
+ CentOS 6.3 Guest (HVM,PV)
* Environment 2
+ i7-2600 CPU
+ Xen hypervisor 4.2.1
+ Konrad''s passive domain profiling patch applied Dom0 Kernel ( 2.6.32
jeremy branch & 3.2.44 mainline kernel)
+ CentOS 6.3 Guest (HVM,PV)
* Commands on XCP or Dom0 console
1. # opcontrol --start-daemon --xen=/env/xen-syms
--vmlinux=/env/vmlinux-dom0 --passive-domains=1,2
--passive-images=/env/vmlinux-centos63hvm,/env/vmlinux-centos63pv
2. # opcontrol --start
3. Run experiment to be profiled on HVM,PV Guest
4. # opcontrol --stop
5. # opcontrol --shtudown
6. # opreport -l
* Result of Environments (1 and 2 )
+ Profile report data of dom0-xen, dom0-kernel, PV Guest-xen, PV
Guest-kernel, HVM Guest-xen shows up.
+ Profile report data of HVM Guest-kernel doesn''t shows up.
* Question
How can I get profile report data of HVM guest kernel as a result of
passive domain profiling ?
Regards,
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