Xen community - May 2008 - how to use xentrace and xentrace_format

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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