[Xen-community] RE: Xen-community Digest, Vol 5, Issue 7

["Stephen Spector" <stephen.spector@xxxxxxxxxx>]

Jackie:

Please post this on Xen-users to get an immediate answer. This mailing
list is not usually involved with Technical Xen Issues. Thanks.

Stephen Spector
Sr. Program Manager, Xen.org

Date: Mon, 19 May 2008 17:21:15 +0800
From: "=?GB2312?B?s8zB+g==?=" <loongcheng@xxxxxxxxx>
Subject: [Xen-community] how to use xentrace and xentrace_format
To: "=?GB2312?B?eGVuLXVzZXJz08q8/sHQse0=?="
        <xen-users@xxxxxxxxxxxxxxxxxxx>,
        "=?GB2312?B?eGVuLWNvbW11bml0edPKvP7B0LHt?="
        <xen-community@xxxxxxxxxxxxxxxxxxx>
Message-ID:
        <164ac0650805190221q612fb3d9g667a67ad510d0de4@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"

Hi,

        I have read a mail in the mail list about xentrace and
xentrace_format. But I am still puzzled on how to use them.

Could somebody give me an example about how to use xentrace and
xentrace_format.

What I have done is that:

1.       Root:/# xentrace /var/perftests/xentrace.log

Then I use xentrace_format to get what I want

2.       cat /var/perftests/xentrace.log | xentrace_format myformat

The file myformat is as follows:

0x00082006  %(cpu)d, %(tsc)d, %(event)d, %(1)d, %(2)d, %(3)d, %(4)d,
%(5)d

But I get:

TSC stepped backward cpu 0 !  393153231147126 393162854585484
TSC stepped backward cpu 0 !  393153183271128 393162838623522
TSC stepped backward cpu 0 !  393153151352298 393162870544116


Could someone tell me how to get the results as the format
specified?Really
need your help.



Thanks,

Jackie
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