Date: Tue, 29 Nov 2005 00:08:16 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: bde@zeta.org.au Cc: des@des.no, src-committers@FreeBSD.org, rwatson@FreeBSD.org, cvs-all@FreeBSD.org, cvs-src@FreeBSD.org Subject: Re: cvs commit: src/sys/sys time.h src/sys/kern kern_time.c Message-ID: <20051129.000816.28766059.imp@bsdimp.com> In-Reply-To: <20051129145321.E33975@delplex.bde.org> References: <20051128002937.T17822@epsplex.bde.org> <86d5kkbygy.fsf@xps.des.no> <20051129145321.E33975@delplex.bde.org>
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In message: <20051129145321.E33975@delplex.bde.org>
Bruce Evans <bde@zeta.org.au> writes:
: Even with this, applications would still need to know when select() was
: called to recover the time when it returned. Adding deltas from select()
: to a previous timestamp wouldn't work very well the relative error in
: the deltas is large for small deltas (unless you pessimize select() to
: get a precise timestamp).
Not to mention the fact that scheduling delays can add somewhat to the
errors here... although on modern, fast systems this is likely less
of a concern.
Warner
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