On Sun, Mar 09, 2008 at 08:09:56PM +0100, YOUNSI RIADH wrote: > 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
There are still vmstat, prstat etc in Solaris 10. And despite the existence of DTrace in S 10 they are still _very_ usefull. Usually if you are hunting for performance problems you still start with them to narrow the area where they (problems) might exists. There is however more :-). Just for start: http://przemol.blogspot.com/2007/10/sunsolve-deeper-look-into-vmstat.html Regards przemol -- http://przemol.blogspot.com/ ---------------------------------------------------------------------- Asy i Cieniasy pilkarskiej ekstraklasy kliknij >> http://link.interia.pl/f1d27 _______________________________________________ dtrace-discuss mailing list [email protected]
