Date: Thu, 14 Aug 1997 13:04:53 +0200 From: Poul-Henning Kamp <phk@critter.dk.tfs.com> To: Poul-Henning Kamp <phk@dk.tfs.com> Cc: current@freebsd.org Subject: Re: kernel profiling data... Message-ID: <2685.871556693@critter.dk.tfs.com> In-Reply-To: Your message of "Thu, 14 Aug 1997 12:29:44 %2B0200." <2419.871554584@critter.dk.tfs.com>
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In message <2419.871554584@critter.dk.tfs.com>, Poul-Henning Kamp writes: > >Should anybody be interested, I'm currently running my kernel with basic- >block profiling. If there are any particular piece of code you want >to get some numbers for, let me know. > >Here is a snapshot per procedure. The metric is "number of bytes * number >of executions" which doesn't take procedure calls into account. It's still >a pretty good metric anyway: Argh! integer overflow :-( Here is the correct data: 4707340384 syscall 4537661363 lockmgr 3652643072 ufs_dirbadentry 3305145500 ufs_lookup 2651069178 splx 2626861812 statclock 2545337950 pmap_ts_referenced 2366684927 pmap_pte_quick 2151130267 malloc 2142457647 vm_pageout_page_stats 1979759650 pmap_is_managed 1933368283 in_cksum 1891991217 sc_bcopy 1799029727 selscan 1770893872 lookup 1766265769 userret 1566383288 hardclock 1546053323 free 1428182323 scanc 1365260343 select 1304664809 __qdivrem 1275887817 ffs_sync 1207845430 timeout 1164030293 splvm 1136430326 vfs_msync 1026993813 tcp_output 926535753 VOP_ISLOCKED 893236520 splhigh 854388172 inbc 798634314 lockstatus 777287232 vm_pageout_scan -- Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. whois: [PHK] | phk@tfs.com TRW Financial Systems, Inc. Power and ignorance is a disgusting cocktail.
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