Bootloader sequence with time prefix
Dhyan
linuxdhyan at gmail.com
Mon May 20 04:25:25 EDT 2013
Dear* *Valdis,
Thank you for your quick reply, but what i need is "*time in bootloader
print output*". Kernel i already enabled and i am getting the time,
So i need time information like
*
*
[ Time XXXX ] *U-Boot 1.1.4-gedeced79 (Feb 6 2012 - 09:27:11)*
*
*
[ Time XXX2 ] *Load address: 0x80e80000*
[ Time XXX3 ] *DRAM: 1024 MB*
*Hit any key to stop autoboot: 0 *
*kernel @ 80008000 (3728760)*
*ramdisk @ 81000000 (295902)*
*I2C read: I/O error*
*
*
*Starting kernel ...*
*
*
*Uncompressing Linux... done, booting the kernel.*
[ 0.000000] Initializing cgroup subsys cpu ===> Kernel I am already
getting timing information with CONFIG_PRINTK_TIME=y
Thanks & Regards
Dhyan
On Mon, May 20, 2013 at 1:19 PM, <Valdis.Kletnieks at vt.edu> wrote:
> On Mon, 20 May 2013 12:37:25 +0530, Dhyan said:
>
> > Is there any uboot config option in to print boot sequence with time
> > prefixes similar to kernel option CONFIG_PRINTK ?
>
> I think you meant CONFIG_PRINTK_TIME there - and if that kernel option is
> set, all your printks will show up with that, even stuff coming out of
> early_printk().
>
> Getting userspace to do it as well is a userspace problem, not a kernel
> problem. You'll have to fix multiple pieces - everything from your
> syslog daemon (whichever one you use) to sysvinit/systemd/upstart or
> whatever you boot with to output the right stuff on the console. There's
> almost certainly other stuff lurking as well, but your syslog and init
> packages are going to be about 90% of it.
>
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