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Re: [Xen-users] extracting DomID from the xentrace log

  • To: "'Prateek Khandelwal'" <lucky.igen@xxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Inception Hosting" <inbox@xxxxxxxxxxxxxxxxxxxx>
  • Date: Sun, 4 Mar 2012 21:22:53 -0000
  • Delivery-date: Sun, 04 Mar 2012 21:25:02 +0000
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  • List-id: Xen user discussion <xen-users.lists.xen.org>
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Hi Prateek,


Do you mean you want to see the IO R+W for each domU?


This information is available through xentop there is also a perl script floating about called xenstat.pl which will give you this.


Or in a shell you could do:


while [[ 1 ]]; do ((lvdisplay|awk '/LV Name/{n=$3} /Block device/{d=$3; sub(".*:","dm-",d); print d,n;}') && (iostat -m)) | sort | uniq | sort | grep '^dm-' | while read hdd; do key=$(echo "$hdd" | egrep -o 'dm-[0-9]+'); if [[ "$key" == "$key2" ]]; then echo "$(date '+%F %T') - $hdd,$hdd2"; fi; hdd2=$hdd; key2=$(echo "$hdd" | egrep -o 'dm-[0-9]+'); done; sleep 10; done



From: xen-users-bounces@xxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxx] On Behalf Of Prateek Khandelwal
Sent: 04 March 2012 14:20
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] extracting DomID from the xentrace log



I want to extract domId(s) for the event like IO_READ / WRITE , (currently I am able to see domIds only for Scheduler Trace)
how can I achieve the same ?

Thanks in advance.
Prateek Khandelwal

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