Re: [PATCH] Quieten hrtimer printk: "Switched to high resolutionmode .."

From: Thomas Gleixner
Date: Mon Oct 29 2007 - 04:48:19 EST


On Mon, 29 Oct 2007, Michael Ellerman wrote:

> Change the hrtimer printk "Switched to high resolution mode .." to
> be KERN_DEBUG, rather than KERN_INFO. If users need to see this they
> can pass "loglevel" or "debug" on the command line, or check dmesg.
>
> Signed-off-by: Michael Ellerman <michael@xxxxxxxxxxxxxx>

Thanks, applied.

tglx

> ---
>
> Any objections? It gets a little repetitive, eg:
>
> Switched to high resolution mode on CPU 0
> Switched to high resolution mode on CPU 17
> Switched to high resolution mode on CPU 10
> Switched to high resolution mode on CPU 2
> Switched to high resolution mode on CPU 7
> Switched to high resolution mode on CPU 11
> Switched to high resolution mode on CPU 3
> Switched to high resolution mode on CPU 8
> Switched to high resolution mode on CPU 12
> Switched to high resolution mode on CPU 1
> Switched to high resolution mode on CPU 4
> Switched to high resolution mode on CPU 5
> Switched to high resolution mode on CPU 13
> Switched to high resolution mode on CPU 14
> Switched to high resolution mode on CPU 15
> Switched to high resolution mode on CPU 9
> Switched to high resolution mode on CPU 6
> Switched to high resolution mode on CPU 16
>
> cheers
>
>
> kernel/hrtimer.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
> index b6d2ff7..22a2514 100644
> --- a/kernel/hrtimer.c
> +++ b/kernel/hrtimer.c
> @@ -602,7 +602,7 @@ static int hrtimer_switch_to_hres(void)
> /* "Retrigger" the interrupt to get things going */
> retrigger_next_event(NULL);
> local_irq_restore(flags);
> - printk(KERN_INFO "Switched to high resolution mode on CPU %d\n",
> + printk(KERN_DEBUG "Switched to high resolution mode on CPU %d\n",
> smp_processor_id());
> return 1;
> }
> --
> 1.5.2.rc1.1884.g59b20
>
-
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