Messages in this thread | | | Date | Tue, 20 Nov 2012 16:16:38 +0000 | From | Lee Jones <> | Subject | Re: [PATCH 1/2] Boottime: A tool for automatic measurement of kernel/bootloader boot time |
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> > > +/* for automatic boot timing testcases */ > > > +#define ATAG_BOOTTIME 0x41000403 > > Where can I refer this ATAG usage? can you point out the reference URL > > or patches? > > I assumed this would be in Mainline u-boot, but apparently not. > On closer inspection of the internal ST-Ericsson u-boot, this > functionality appears to be provided by patches which currently > exist as delta. So in essence, the bootloader you use will have > to be patched in a similar way for you to retrieve information > surrounding bootloader boot times. > > And there was me thinking it was magic. ;)
Okay, so I'm going through the motions of upstreaming this magic now. Please see the link below for reference:
http://marc.info/?l=u-boot&m=135342273317337&w=2
-- Lee Jones Linaro ST-Ericsson Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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