Re: Timestamp counters on SMP

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Tue Mar 28 2000 - 18:11:44 EST


> Do you know of any application using TSC?

Several

> If yes, how does this application work on i386?

They use RDTSC. Unless you set magic flags RDTSC is accessible from user
space on anything from a later 486 stepping onwards.

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