Ah, I just did that in my Pharo copy!


2013/4/27 <commits at source.squeak.org>

> Levente Uzonyi uploaded a new version of Kernel to project The Trunk:
> http://source.squeak.org/trunk/Kernel-ul.755.mcz
>
> ==================== Summary ====================
>
> Name: Kernel-ul.755
> Author: ul
> Time: 27 April 2013, 10:07:32.072 pm
> UUID: 7acc79da-c279-4097-a56f-7d44c94aa5f7
> Ancestors: Kernel-fbs.754
>
> Added two methods to access primitive 240 and 241, which can provide
> microsecond resolution timestamps on Cog VMs.
>
> =============== Diff against Kernel-fbs.754 ===============
>
> Item was added:
> + ----- Method: Time class>>primLocalMicrosecondClock (in category
> 'clock') -----
> + primLocalMicrosecondClock
> +       "Answer the local microseconds since the Smalltalk epoch. The
> value is derived from the Posix epoch with a constant offset corresponding
> to elapsed microseconds between the two epochs according to RFC 868, and
> with an offset duration corresponding to the current offset of local time
> from UTC."
> +
> +       <primitive: 241>
> +       ^0!
>
> Item was added:
> + ----- Method: Time class>>primUTCMicrosecondClock (in category 'clock')
> -----
> + primUTCMicrosecondClock
> +       "Answer the UTC microseconds since the Smalltalk epoch. The value
> is derived from the Posix epoch with a constant offset corresponding to
> elapsed microseconds between the two epochs according to RFC 868."
> +
> +       <primitive: 240>
> +       ^0!
>
>
>
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