Need commands to fetch Guest VM OS version from Xen and KVM

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xentrace_format

XENTRACE_FORMAT(1)					      General Commands Manual						XENTRACE_FORMAT(1)

NAME

       xentrace_format - pretty-print Xen trace data

SYNOPSIS

       xentrace_format [ DEFS-FILE ]

DESCRIPTION

       xentrace_format	parses trace data in xentrace binary format from standard input and reformats it according to the rules in a file of defi-
       nitions (DEFS-FILE), printing to standard output.

       The rules in DEFS-FILE should have the format shown below:

       event_id whitespace format

       Each rule should start on a new line.

       The format string may include format specifiers, such as: %(cpu)d, %(tsc)d, %(event)d, %(1)d, %(2)d, %(3)d, %(4)d, %(5)d

       [ the `d' format specifier output in decimal, alternatively `x'
	 will output in hexadecimal and `o' will output in octal ]

       These correspond to the CPU number, event ID, timestamp counter and the 5 data fields from the trace record.  There should be one such rule
       for each type of event to be pretty-printed (events which do not have formatting rules are ignored).

       A sample format file for Xen's predefined trace events is available in the file tools/xentrace/formats in the Xen source tree.

       Depending  on  your system and the rate at which trace data is produced, this script may not be able to keep up with the output of xentrace
       if it is piped directly.  In these circumstances you should have xentrace output to a file for processing off-line.

AUTHOR

       Mark A. Williamson <mark.a.williamson@intel.com>

SEE ALSO

       xentrace(8), xentrace_cpusplit(1)

Xen domain 0 utils						    11 May 2004 						XENTRACE_FORMAT(1)

UNIX for Advanced & Expert Users