sudo su -
sharrow:~# /etc/init.d/sysklogd stop
Stopping system log daemon....
sharrow:~# echo 1 > /proc/sys/vm/block_dump
sharrow:~# dmesg | gawk '/^[^( ]*\([0-9]*\): (READ|WRITE|dirtied)/ {activity[$1]++} END {for (x in activity) print activity[x],x}' | sort -nr | head -n 10
502 amarokcollectio(358):
3 amarokapp(359):
2 mysqld(18448):
1 io(358):
1 bash(31560):
sharrow:~# echo 0 > /proc/sys/vm/block_dump
sharrow:~# /etc/init.d/sysklogd start
Starting system log daemon....
Thursday, March 22, 2007
what $$%@$ is causing all this io?
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3 comments:
I had to change this to:
dmesg |
gawk '/(READ|WRITE|dirtied)/ {activity[$2]++} END {for (x in activity) print activity[x],x}'|
sort -nr |
head -n 10
since our dmesg output includes ktime timestamps.
Nice tipp, thanks. The pedant in me wants to tell you about sudo -i, though. ;-)
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