Alan Cox wrote:
>
> > appropriately.) One could, at least theoretically, make them usable
> > in kernel space only (in user space there is no hope, since you can't
> > know which CPU's TSC you're reading), but these machines seem to be so
> > rare that hardly anyone technical enough to fix it ca
> appropriately.) One could, at least theoretically, make them usable
> in kernel space only (in user space there is no hope, since you can't
> know which CPU's TSC you're reading), but these machines seem to be so
> rare that hardly anyone technical enough to fix it cares.
Im working on making
Followup to: <3AD2CE98.28151.46E93A@localhost>
By author:"Ulrich Windl" <[EMAIL PROTECTED]>
In newsgroup: linux.dev.kernel
>
> Hi, Cycle Counters,
>
> Linux currently tries to synchronize TSCs for consistent time in SMP
> systems. One would not believe what combinations of hardware are tri
Hi, Cycle Counters,
Linux currently tries to synchronize TSCs for consistent time in SMP
systems. One would not believe what combinations of hardware are tried,
especially for precision timing. Here's a short answer to my asking-
back about a complaint (the kernel is reporting negative time wa
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