Accounting changes
Poul-Henning Kamp
phk at phk.freebsd.dk
Fri May 4 23:01:13 UTC 2007
In message <463BB88F.4020804 at aueb.gr>, Diomidis Spinellis writes:
>Poul-Henning Kamp wrote:
>> In message <463B581E.6070804 at aueb.gr>, Diomidis Spinellis writes:
>>
>>> On modern processors the various time values were 0, because many
>>> commands took less than 1/64s to execute [bde]. Now time values are
>>> stored with microsecond precision as float numbers.(I've written code
>>> that allows the kernel to write them without any floating point
>>> operations.)
>>
>> Why on earth introduce another time format ?
>>
>> Please use a standard time format please.
>
>If we use struct timeval for the three time values the structure size
>increases considerably (especially on an amd64). Here are some numbers:
>
>i386
>Old size=48
>New size=64
>New size with timeval=76
that is a good argument.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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