On Monday 29 October 2001 22:12, you wrote: > On Mon, Oct 29, 2001 at 11:25:24AM +0530, C. Mohanasundaram wrote: > > FYI : Actually i m working on a product. > > The product is specific to RedHat Linux 7.1 > > why is this necessary ? It is not usually difficult to check other > distributions. By all means admit that it is only well tested on RH7.1, but > you should at least check the other distributions. We r doing it for our client.our client specifically asked for RedHat 7.1. yes it is tested only on RedHat 7.1. > > > > my first question has to be why : perfctr has supported this ably for a > > > long time, and msr.c can also do this. > > > > i dont know what perfctr is > > i searched for it in the kernel tree > > http://kernelnewbies.org/patches/ > > > i found some line saying > > /dev/perfctr performance counters > > and tried ls /dev/perfctr > > it is not there in RedHat 7.1. > > can u please tell me what it is exactly or some pointers is fine > > also check arch/i386/kernel/msr.c > > > i m not sure whether RedHat Linux 7.1 works on other processors or not. > > it does. > > > if so can u pls tell me what r others. > > www.redhat.com will tell you > > > much of files are opended at a time. > > so we r trying alternatives. > > any suggestions..... > > depending on exactly what you need, you can use the MSR driver to access > the performance counters; you can use perfctr for per-process virtual > counting, or you can use my profiler oprofile to profile the entire system > with the counters > > oprofile.sf.net > > I really doubt that what you need can't be done by using or maybe modifying > one of the available perfctr packages (note there are several other older > projects as well) > > regards > john > > p.s. I would prefer keeping this on kernelnewbies mailing list unless you > have a good reason not to sorry i forgot to cc it to kernelnewbies mailing list. After sending the mail i was wondering why i havent received a copy from the mailing list.From ur reply i understood that i havent cc it to kernelnewbies. so i m sending this mail to kernelnewbies mailing list with ur comments for my previous mail for continuity. regards, mohan. - Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/
