[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
More information about the U-Boot
mailing list