Re: How to enable the print timestamping in dmesg

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On Sat, 2009-07-11 at 09:18 +0700, Mulyadi Santosa wrote:
> On 7/11/09, H M Thalib <hmthalib@xxxxxxxxx> wrote:
> > Hi,
> >
> > When I dmesg in my ubuntu machine it gave a time stamp in front of the
> > printk's. I want to know how to enable this in powerpc and arm based
> > board for optimization. The sample dmesg log is below.
> >
> > [18142.277611] wlan0: associated
> > [18409.007121] hda-intel: IRQ timing workaround is activated for card
> > #0. Suggest a bigger bdl_pos_adj.
> 
> I think you should enable CONFIG_PRINTK_TIME, but I am not sure if
> that's available on every architecture.
> 

I thaught it was oprofile oprofiler. Thanks for the infromation.

Can I rely on this time stamps to optimize the booting time of the
kernel.

-- 
H M Thalib


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