[U-Boot] [PATCH 0/6] bootstage: Add a number of new features

Anatolij Gustschin agust at denx.de
Wed Oct 3 01:02:41 CEST 2012


Hi Simon,

On Fri, 28 Sep 2012 11:56:34 -0700
Simon Glass <sjg at chromium.org> wrote:

> It is useful to be able to communicate the bootstage information to another
> program, such as the kernel, either by putting it in memory or the device
> tree. This makes the information accessible after boot so that it can easily
> be logged somewhere or perhaps reported back for diagnostics purposes.
> This series includes a few patches to implement this.
> 
> Sometimes a peripheral is touched multiple times during boot, or a single
> task is called repeatedly. Examples are reading from a device, which might
> happen in several parts, or setting up an LCD display, which may involve
> multiple steps to comply with backlight power sequences. This series adds a
> new bootstage time accumulation feature to add up all the time spent in a
> particular task.
> 
> This series also adds a new command 'bootstage' to provide access to the
> above features.
> 
> 
> Simon Glass (6):
>   bootstage: Export bootstage_add_record() function
>   bootstage: Add time accumulation feature
>   bootstage: Store boot timings in device tree
>   bootstage: Add feature to stash/unstash bootstage info
>   bootstage: Add bootstage command
>   bootstage: Add new bootstage IDs for board, LCD
> 
>  README                 |   25 ++++
>  arch/arm/lib/bootm.c   |    3 +
>  common/Makefile        |    1 +
>  common/bootstage.c     |  306 +++++++++++++++++++++++++++++++++++++++++++++---
>  common/cmd_bootstage.c |  116 ++++++++++++++++++
>  include/bootstage.h    |   85 +++++++++++++
>  6 files changed, 517 insertions(+), 19 deletions(-)
>  create mode 100644 common/cmd_bootstage.c

Applied this series to u-boot-staging/agust at denx.de-next, thanks!

I've dropped "BRANCH=snow,link" in commit log of the patches 4 and 5,
hope this is okay?

Thanks,
Anatolij


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