Re: sched_clock() uses are broken

Florian Paul Schmidt
2006-05-04T20:02:23Z

On Tue, 2 May 2006 14:29:53 +0100
Russell King <rmk+lkml@arm.linux.org.uk> wrote:

> However, this is not the case. On x86 with TSC, it returns a 54 bit
> number. This means that when t1 < t0, time_passed_ns becomes a very
> large number which no longer represents the amount of time.

Hi,

is this specific to the sched_clock() or does the rdtsc on these systems
only use 54 bit?

Flo

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