Hi
In solaris 9 I used to use vmstat command to detect any cpu and memory
performance problems by checking values for the following vmstat command
outputs:
r of kthr : Number of threads in run queue :
id of cpu : Percentage usage of CPU time spent in idle
time:
sr of memory : Memory page activity (Number of pages
scaned):
I also use iostat -xn command to detect performance problems with diks
or metadevices by checking values for the following "iostat -xn" command
outputs
%w: The percentage of time there are transactions
waiting for service..
wsvc_t: average service time in wait queue,in
milliseconds. Time spent by a transaction in queue.
As I heard that such commands may disturb the running system if they are
run periodically through crontab jobs
Could you please tell me if there are equivalent commands in solaris 10
using dtrace that can be used to identify performance problems cpu,
memory and disks
Thanks
Riadh YOUNSI
Alcatel-Lucent
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