Date: Thu, 29 Nov 2007 14:56:05 +0100 From: "Attilio Rao" <attilio@freebsd.org> To: "Peter Wemm" <peter@freebsd.org> Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/compat/linprocfs linprocfs.c src/sys/kern kern_clock.c src/sys/sys pcpu.h resource.h Message-ID: <3bbf2fe10711290556u67b0f007g5a87bfd8e7804fbd@mail.gmail.com> In-Reply-To: <200711290634.lAT6YUpr004269@repoman.freebsd.org> References: <200711290634.lAT6YUpr004269@repoman.freebsd.org>
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2007/11/29, Peter Wemm <peter@freebsd.org>: > peter 2007-11-29 06:34:30 UTC > > FreeBSD src repository > > Modified files: > sys/compat/linprocfs linprocfs.c > sys/kern kern_clock.c > sys/sys pcpu.h resource.h > Log: > Move the shared cp_time array (counts %sys, %user, %idle etc) to the > per-cpu area. cp_time[] goes away and a new function creates a merged > cp_time-like array for things like linprocfs, sysctl etc. The > atomic ops for updating cp_time[] in statclock go away, and the scope > of the thread lock is reduced. > > sysctl kern.cp_time returns a backwards compatible cp_time[] array. > A new kern.cp_times sysctl returns the individual per-cpu stats. > > I have pending changes to make top and vmstat optionally show per-cpu > stats. > > I'm very aware that there are something like 5 or 6 other versions "out > there" for doing this - but none were handy when I needed them. > > I did merge my changes with John Baldwin's, and ended up replacing a > few chunks of my stuff with his, and stealing some other code. > > Reviewed by: jhb > Partly obtained from: jhb Thanks guys. Attilio -- Peace can only be achieved by understanding - A. Einstein
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