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Date: | Thu, 19 Sep 2002 15:18:30 +0200 (IST) |
From: | Eli Zaretskii <eliz AT is DOT elta DOT co DOT il> |
X-Sender: | eliz AT is |
To: | "Sisco, Michael" <mdsisco AT qtiworld DOT com> |
cc: | "Djgpp (E-mail)" <djgpp AT delorie DOT com> |
Subject: | RE: Fw: uclock() within an interrupt handler |
In-Reply-To: | <BDD73AE8AEE3EF438E07420C2600E9F65C9151@qtiexch0.qgraph.com> |
Message-ID: | <Pine.SUN.3.91.1020919151814.2289J-100000@is> |
MIME-Version: | 1.0 |
Reply-To: | djgpp AT delorie DOT com |
Errors-To: | nobody AT delorie DOT com |
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On Thu, 19 Sep 2002, Sisco, Michael wrote: > At startup, I spend one second and use uclock() together with the RDTSC > macro (read > time stamp counter) to quite accurately calculate the processor speed. I > then use RDTSC any time I need a precise time within my interrupt handler. > This seems > to work very well (with the added benefit that RDTSC is significantly faster > than > uclock()). > > Do you see any problems with this approach? Sounds okay.
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