HI all Some debug suggestions please, Running OpenSuse 10.3, I have noticed at boot time and Firefox startup time that the PC seems to be slow, looking at xosview , System Monitor and if I read top / mpstat correctly a large amount of time is been spent in iowait. gc@linux:~> iostat ALL Linux 2.6.22.5-31-default (linux) 01/16/2008 avg-cpu: %user %nice %system %iowait %steal %idle 10.91 0.14 5.54 83.08 0.00 0.32 ************************************************************************** linux:/home/gc # mpstat Linux 2.6.22.5-31-default (linux) 01/16/2008 CPU %user %nice %sys %iowait %irq %soft %steal all 13.65 0.07 3.63 19.63 0.05 0.12 0.00 What tools can I use to isolate the issue , any good books I can download or buy ?. Thanks Gerard -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org
gceruti wrote:
HI all
Some debug suggestions please, Running OpenSuse 10.3, I have noticed at boot time and Firefox startup time that the PC seems to be slow, looking at xosview , System Monitor and if I read top / mpstat correctly a large amount of time is been spent in iowait.
OF COURSE there's a lot of IOWAIT during those periods -- what do you expect to see when the system is doing a lot of disk I/O?
gc@linux:~> iostat ALL Linux 2.6.22.5-31-default (linux) 01/16/2008
avg-cpu: %user %nice %system %iowait %steal %idle 10.91 0.14 5.54 83.08 0.00 0.32 ************************************************************************** linux:/home/gc # mpstat Linux 2.6.22.5-31-default (linux) 01/16/2008
CPU %user %nice %sys %iowait %irq %soft %steal all 13.65 0.07 3.63 19.63 0.05 0.12 0.00
What tools can I use to isolate the issue , any good books I can download or buy ?.
Thanks Gerard
-- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org
Just curious, what are you looking for? A way to tell what is doing so much io? Lincoln Rutledge Network Engineer OSC Networking 800-627-6420
gceruti <gceruti@tiscali.co.za> 01/16/08 3:21 PM >>> HI all
Some debug suggestions please, Running OpenSuse 10.3, I have noticed at boot time and Firefox startup time that the PC seems to be slow, looking at xosview , System Monitor and if I read top / mpstat correctly a large amount of time is been spent in iowait. gc@linux:~> iostat ALL Linux 2.6.22.5-31-default (linux) 01/16/2008 avg-cpu: %user %nice %system %iowait %steal %idle 10.91 0.14 5.54 83.08 0.00 0.32 ************************************************************************** linux:/home/gc # mpstat Linux 2.6.22.5-31-default (linux) 01/16/2008 CPU %user %nice %sys %iowait %irq %soft %steal all 13.65 0.07 3.63 19.63 0.05 0.12 0.00 What tools can I use to isolate the issue , any good books I can download or buy ?. Thanks Gerard -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org
participants (3)
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Aaron Kulkis -
gceruti -
Lincoln Rutledge