09-07-2006
Unix timestamps
Can someone help me with a Unix or perl script to convert the unix timestamps to human readable format?
Any help will be highly appreciated...
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Does anyone know a perl script/utility/etc. to calculate the time in seconds between two unix time stamps?
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Does anyone know a perl script/utility/etc. to calculate the time in seconds between two unix time stamps?
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KDUMP(1) BSD General Commands Manual KDUMP(1)
NAME
kdump -- display kernel trace data
SYNOPSIS
kdump [-dlNnRT] [-e emulation] [-f file] [-m maxdata] [-p pid] [-t trstr] [-x | -X size] [file]
DESCRIPTION
kdump displays the kernel trace files produced with ktrace(1) in human readable format. The file ktrace.out in the current directory is dis-
played, unless either the -f option is used, or a file name is supplied as the last argument.
The options are as follows:
-d Display all numbers in decimal.
-e emulation
If an emulation of a process is unknown, interpret system call maps assuming the named emulation instead of default "netbsd".
-f file Display the specified file instead of ktrace.out.
-l Loop reading the trace file, once the end-of-file is reached, waiting for more data.
-m maxdata Display at most maxdata bytes when decoding I/O.
-N Suppress system call number-to-name translation.
-n Suppress ad hoc translations. Normally kdump tries to decode many system calls into a more human readable format. For example,
ioctl(2) values are replaced with the macro name and errno values are replaced with the strerror(3) string. Suppressing this
feature yields a more consistent output format and is easily amenable to further processing.
-p pid Only display records from the trace file that are for the indicated pid.
-R Display relative timestamps (time since previous entry).
-T Display absolute timestamps for each entry (seconds since epoch).
-t trstr Restrict display to the specified set of kernel trace points. The default is to display everything in the file. See the -t
option of ktrace(1).
-x Display GIO data in hex and ascii instead of vis(3) format.
-X size Same as -x but display hex values by groups of size bytes. Supported values are 1, 2, 4, 8, and 16.
SEE ALSO
ktrace(1)
HISTORY
The kdump command appears in 4.4BSD.
BSD
November 15, 2003 BSD