[PATCH] intel_pstate: Turn per cpu printk into pr_debug

[PATCH] intel_pstate: Turn per cpu printk into pr_debug

[Andi Kleen]

From: Andi Kleen <ak@linux.intel.com>

On larger systems intel_pstate currently spams the boot up
log with its "Intel pstate controlling ..." message for each CPU.
It's the only subsystem that prints a message for each
CPU.

Turn the message into a pr_debug.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
---
 drivers/cpufreq/intel_pstate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index c5eac94..17be734 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -688,7 +688,7 @@ static int intel_pstate_init_cpu(unsigned int cpunum)
 
 	add_timer_on(&cpu->timer, cpunum);
 
-	pr_info("Intel pstate controlling: cpu %d\n", cpunum);
+	pr_debug("Intel pstate controlling: cpu %d\n", cpunum);
 
 	return 0;
 }
-- 
1.9.3

Re: [PATCH] intel_pstate: Turn per cpu printk into pr_debug

[Dirk Brandewie]

On 08/27/2014 10:17 AM, Andi Kleen wrote:
> From: Andi Kleen <ak@linux.intel.com>
>
> On larger systems intel_pstate currently spams the boot up
> log with its "Intel pstate controlling ..." message for each CPU.
> It's the only subsystem that prints a message for each
> CPU.
>
> Turn the message into a pr_debug.
>
> Signed-off-by: Andi Kleen <ak@linux.intel.com>

Acked-by: Dirk Brandewie <dirk.j.brandewie@intel.com>

> ---
>   drivers/cpufreq/intel_pstate.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
> index c5eac94..17be734 100644
> --- a/drivers/cpufreq/intel_pstate.c
> +++ b/drivers/cpufreq/intel_pstate.c
> @@ -688,7 +688,7 @@ static int intel_pstate_init_cpu(unsigned int cpunum)
>
>   	add_timer_on(&cpu->timer, cpunum);
>
> -	pr_info("Intel pstate controlling: cpu %d\n", cpunum);
> +	pr_debug("Intel pstate controlling: cpu %d\n", cpunum);
>
>   	return 0;
>   }
>

Re: [PATCH] intel_pstate: Turn per cpu printk into pr_debug

[Rafael J. Wysocki]

On Wednesday, August 27, 2014 10:27:58 AM Dirk Brandewie wrote:
> On 08/27/2014 10:17 AM, Andi Kleen wrote:
> > From: Andi Kleen <ak@linux.intel.com>
> >
> > On larger systems intel_pstate currently spams the boot up
> > log with its "Intel pstate controlling ..." message for each CPU.
> > It's the only subsystem that prints a message for each
> > CPU.
> >
> > Turn the message into a pr_debug.
> >
> > Signed-off-by: Andi Kleen <ak@linux.intel.com>
> 
> Acked-by: Dirk Brandewie <dirk.j.brandewie@intel.com>

Queued up for 3.17-rc3, thanks!

> > ---
> >   drivers/cpufreq/intel_pstate.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
> > index c5eac94..17be734 100644
> > --- a/drivers/cpufreq/intel_pstate.c
> > +++ b/drivers/cpufreq/intel_pstate.c
> > @@ -688,7 +688,7 @@ static int intel_pstate_init_cpu(unsigned int cpunum)
> >
> >   	add_timer_on(&cpu->timer, cpunum);
> >
> > -	pr_info("Intel pstate controlling: cpu %d\n", cpunum);
> > +	pr_debug("Intel pstate controlling: cpu %d\n", cpunum);
> >
> >   	return 0;
> >   }
> >
> 
> --
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-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.