Balbir Singh writes:
> On Wed, 2017-04-19 at 21:13 +1000, Anton Blanchard wrote:
>> Hi Balbir,
>>
>> > > FTRACE is quite CPU consumming, shouldn't it really be on by
>> > > default ?
>> >
>> > It does some work at boot to NOP out function entry points at _mcount
>> > locations. Is that what y
On Wed, 2017-04-19 at 21:13 +1000, Anton Blanchard wrote:
> Hi Balbir,
>
> > > FTRACE is quite CPU consumming, shouldn't it really be on by
> > > default ?
> >
> > It does some work at boot to NOP out function entry points at _mcount
> > locations. Is that what you are referring to? Or the over
Hi Balbir,
> > FTRACE is quite CPU consumming, shouldn't it really be on by
> > default ?
>
> It does some work at boot to NOP out function entry points at _mcount
> locations. Is that what you are referring to? Or the overhead of the
> code in terms of size? Most distro kernels have tracing on
Excerpts from Balbir Singh's message of April 13, 2017 12:33:
We expect to have these configs on by default, most
distros turn them off, its always good to have them on
so that we can use them and hopefully not break them
Thanks! I find myself constantly enabling these options.
Signed-off-by
On Thu, Apr 13, 2017 at 6:41 PM, Christophe LEROY
wrote:
>
>
> Le 13/04/2017 à 10:19, Balbir Singh a écrit :
>>
>> On Thu, 2017-04-13 at 09:24 +0200, Christophe LEROY wrote:
>>>
>>> Hi Baldir
>>
>>
>> Hi Christophe, It's Balbir
>
>
> Sorry
>
No worries!
>>
>>>
>>> Le 13/04/2017 à 09:03, Balbir Si
Le 13/04/2017 à 10:19, Balbir Singh a écrit :
On Thu, 2017-04-13 at 09:24 +0200, Christophe LEROY wrote:
Hi Baldir
Hi Christophe, It's Balbir
Sorry
Le 13/04/2017 à 09:03, Balbir Singh a écrit :
We expect to have these configs on by default, most
distros turn them off, its always good
On Thu, 2017-04-13 at 09:24 +0200, Christophe LEROY wrote:
> Hi Baldir
Hi Christophe, It's Balbir
>
> Le 13/04/2017 à 09:03, Balbir Singh a écrit :
> > We expect to have these configs on by default, most
> > distros turn them off, its always good to have them on
> > so that we can use them and h
Hi Baldir
Le 13/04/2017 à 09:03, Balbir Singh a écrit :
We expect to have these configs on by default, most
distros turn them off, its always good to have them on
so that we can use them and hopefully not break them
Isn't it the purpose of the target allyesconfig to allow such tests ?
FTRACE
We expect to have these configs on by default, most
distros turn them off, its always good to have them on
so that we can use them and hopefully not break them
Signed-off-by: Balbir Singh
---
arch/powerpc/configs/powernv_defconfig | 4
arch/powerpc/configs/ppc64_defconfig | 3 +++
arch/po
