Hi James, thanks for the info. it seems like I have my collegue running from cron some ?stat command for data collection now. strace is very useful and glad it was installed as per the build. Also, i found some interesting docu on how Linux manages memory. Linux Memory Management or 'Why is there no free RAM?'<http://forums.gentoo.org/viewtopic-t-175419-start-0-postdays-0-postorder-asc-highlight-.html>-> http://forums.gentoo.org/viewtopic.php?t=175419 regards, Leslie On 6/28/05, James Cooley <jcooley@xxxxxxx> wrote: > > For truss, the strace command is probably what you are looking for. > You'll need to install it first: up2date --install strace > > For ptree, use the pstree command in Linux. > > pstack is the same on Linux as it is on Solaris for the most part, > but it has to be installed: up2date --install pstack > > Also, you may want to look at the manpage for the sar command. Sar > collects a variety of info about resource usage throughout the day > and enables you to view the stats. > > --James Cooley > > > > > > > On Jun 27, 2005, at 11:05 PM, ubergoonz wrote: > > > I have a RHEL server that hugs for no particular reason .. so I > > need to do > > some performance monitoring. > > I am trying to understand how memory are being used and used by what > > process on Linux. > > comming from Solaris background, I am more familiar on tools > > available on > > Solaris. > > I wonder if anyone can point me to articles to readup on what's > > shared, > > buffers, cached memory are being used in RHEL fromt he `free, vmstat` > > outputs. > > and what are equiv to truss, pstack, ptree on Linux if there are > > similiar > > tools around. > > > > -- > > Best Regards, > > Leslie Joshua Wang > > -- > > redhat-list mailing list > > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > > https://www.redhat.com/mailman/listinfo/redhat-list > > > > -- Best Regards, Leslie Joshua Wang +============================================================+ "I believe there's a hero in everyone of us, give us strength, make us noble, even though sometimes, we have to give up the things we want the most." +============================================================+ "The good thing about standard, there are so many of them to chose from ..." availability, performance and cost - pick 2 -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subjecthttps://www.redhat.com/mailman/listinfo/redhat-list