June 2004
Intermediate to advanced
1056 pages
39h 58m
English
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Name
kdump
Synopsis
kdump [option]Decode and display a kernel trace file produced by
ktrace. By default, kdump
processes any ktrace.out file found in the current
working directory.
Options
-
-d Show all numbers in decimal format.
-
-ftracefile Process the file
tracefileinstead ofktrace.out.-
-l Continue to read and display the trace file as new trace data is added.
-
-mmaxdata When decoding I/O data, show no more than
maxdatabytes.-
-n Don’t decode completely; display some values, such as those from
ioctlanderrno, in their raw format.-
-R With each entry, show time since previous entry (relative timestamp).
-
-ttracepoints Show only the traces specified in
tracepoints(seekdump’s-toption).-
-T With each entry, show seconds since the epoch (absolute timestamp).
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.