Commit 1b8b9c81 authored Jun 08, 2016 by Thomas Richter Committed by Martin Schwidefsky Jun 13, 2016

s390/Documentation: improve sort command for trace buffer



When s390 traces with hex_ascii or sprintf view are
extracted and sorted, use the sort option -s (stable)
to avoid multiple lines with the same time stamp being
sorted using the rest of the line as secondary key.

Signed-off-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent 72a9b02d

Documentation/s390/s390dbf.txt

+1 −1

Original line number	Diff line number	Diff line
		@@ -405,7 +405,7 @@ Example:

		> ls /sys/kernel/debug/s390dbf/dasd
		flush hex_ascii level pages raw
		> cat /sys/kernel/debug/s390dbf/dasd/hex_ascii \| sort +1
		> cat /sys/kernel/debug/s390dbf/dasd/hex_ascii \| sort -k2,2 -s
		00 00974733272:680099 2 - 02 0006ad7e 07 ea 4a 90 \| ....
		00 00974733272:682210 2 - 02 0006ade6 46 52 45 45 \| FREE
		00 00974733272:682213 2 - 02 0006adf6 07 ea 4a 90 \| ....