Re: [patch 02/17] get_cycles() : x86 HAVE_GET_CYCLES

Geert Uytterhoeven
2008-11-13T07:15:32Z

On Wed, 12 Nov 2008, Mathieu Desnoyers wrote:
> --- linux.trees.git.orig/arch/x86/include/asm/tsc.h 2008-11-12 18:15:25.000000000 -0500
> +++ linux.trees.git/arch/x86/include/asm/tsc.h 2008-11-12 18:15:28.000000000 -0500
> @@ -56,6 +56,18 @@ extern void mark_tsc_unstable(char *reas
> extern int unsynchronized_tsc(void);
> int check_tsc_unstable(void);
>
> +static inline cycles_t get_cycles_rate(void)
> +{
> + if (check_tsc_unstable())
> + return 0;
> + return tsc_khz;
^^^

The comment in Kconfig says:

| get_cycles_rate() : cycle counter rate, in HZ
^^

So what should it be? Hz or kHz?

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds