Date: Wed, 16 Oct 2002 18:07:28 +0200 From: Daniel Rock <D.Rock@t-online.de> To: Kris Kennaway <kris@obsecurity.org> Cc: obrien@freebsd.org, Alex Zepeda <zipzippy@sonic.net>, current@freebsd.org Subject: Re: Perl 5.8 broken in current Message-ID: <3DAD8EC0.5070500@t-online.de> References: <3DAB2B21.5050205@t-online.de> <20021014204407.GA13015@blarf.homeip.net> <20021015000045.GA46774@dragon.nuxi.com> <3DAC50F0.3060408@t-online.de> <20021015175104.GA77964@xor.obsecurity.org> <3DACAED7.4020400@t-online.de> <20021016031242.GA92595@xor.obsecurity.org>
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Kris Kennaway schrieb: >On Wed, Oct 16, 2002 at 02:12:07AM +0200, Daniel Rock wrote: > > > >>gprof "thinks" the runtime is only 8 seconds, while in reality it takes >>more than 2 minutes to complete the test. A small excerpt from gprof output >> >> > >Are you running a kernel with WITNESS enabled? This can really chew >up kernel CPU time if you're doing a lot of syscalls. > > > No, WITNESS not enabled. System calls should not be the problem. If I truss the process. Syscalls don't seem to be the problem. Most of the syscalls are break() syscalls, but no more than 10-20 per second. If I try to reduce the calling frequency (ln -sf ">>>>>" /etc/malloc.conf), runtime doesn't change significantly Daniel To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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