Date: Thu, 16 Nov 2000 16:41:31 -0500 From: flaw <flaw@vt.edu> To: George Reid <greid@ukug.uk.freebsd.org> Cc: freebsd-questions <freebsd-questions@freebsd.org> Subject: RE: FreeBSD VM Message-ID: <3A1BFC94@zathras.cc.vt.edu>
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Thanks for the reply. When exactly is majflt incremented? I ran ps -o majflt -p <pid> on the Netscape process and it gave me a count of 291 the first time I ran Netscape after reboot. I killed the process and ran Netscape again. This time it gave me a count of 0. Thanks. Ray, >===== Original Message From George Reid <greid@ukug.uk.freebsd.org> ===== >On Thu, 16 Nov 2000, Raymond Law wrote: > >> majflt doesn't increase when a process is generating page faults. Instead, >> the swapper process (pid 0) gets all the page faults and it is the same as >> the page faults given by cnt in vmmeter.c. Why is this happening? Is >> there a way to get the number of page faults generated by a SINGLE process? > >Yes. >ps -o majflt -p <pid> > >The code which increments the number of page faults for a given process is >found in /sys/vm/vm_fault.c (circa line >856): curproc->p_stats->p_ru.ru_majflt++; > >> The above doesn't get increased. > >Yes, it does - certainly in 5.0-CURRENT and a quick look at the CVS >repository reveals this code has been present for over 6 years. > >"And then it comes to be that the soothing light > at the end of your tunnel was just a freight > train, comin' your way." > > George Reid * greid@ukug.uk.freebsd.org > > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-questions" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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