[U-Boot] [RFC PATCH v2 0/15] bootstage: record and publish boot progress timing

[Simon Glass <sjg@chromium.org>]

Hi,

On Sat, Dec 10, 2011 at 1:07 PM, Simon Glass <sjg@chromium.org> wrote:
> This series creates a simple boot progress timing feature in U-Boot.
>
> Previous discussion on this is here:
>
> http://lists.denx.de/pipermail/u-boot/2011-May/thread.html#92584
>
> A request was made to unify this with show_boot_progress(). As discussed
> in the v1 RFC patch, this series addresses this the following way:

Are there comments / objections on this series at this stage? I am
wanting to build it on with a new series.

Regards,
Simon

>
> 1. Create bootstage.h with the intent of replacing integers with enums. This
> will allow the values to be easily changed or rationalised later as required.
> It also makes it more explicit that (for example) 15 means we are about to
> run an OS.
>
> 2. Change show_boot_progress() to use these enums. This first patch just
> shows doing this with one (commonly used) integer value.
>
> 3. Create bootstage.c file which permits recording of bootstage timestamps.
>
> 4. Change the existing show_boot_progress() handlers within board files to
> use a provided bootstage progress handler instead. This is easy enough as
> there are few users.
>
> 5. Change show_boot_progress() to call into bootstage, which in turns calls
> the board-provided progress handler, if defined, after recording a timestamp.
> The function signature will stay the same for now.
>
> Ultimately I would like boot timing available from before U-Boot to user
> space in Linux. See RFC patch for Linux here:
>
> http://lwn.net/Articles/460432/
>
> and discussion here:
>
> http://comments.gmane.org/gmane.linux.kernel/1194861
>
> Still to do: change the microsecond time printout to use the Linux
> seconds.microseconds format.
>
> Changes in v2:
> - Unify show_boot_progress() into this series
>
> Simon Glass (15):
> ?bootstage: Create an initial header for boot progress integers
> ?bootstage: Make use of BOOTSTAGE_ID_RUN_OS in show_boot_progress()
> ?bootstage: Use show_boot_error() for -ve progress numbers
> ?bootstage: Convert progress numbers 1-9 into enums
> ?bootstage: Convert progress numbers 10-19 to enums
> ?bootstage: Convert progress numbers 20-41 to enums
> ?bootstage: Convert IDE progress numbers to enums
> ?bootstage: Convert NAND progress numbers to enums
> ?bootstage: Convert net progress numbers to enums
> ?bootstage: Convert FIT progress numbers to enums
> ?bootstage: Define an optional microsecond timer
> ?bootstage: Replace show_boot_progress/error() with bootstage_...()
> ?bootstage: Add microsecond boot time measurement
> ?bootstage: Plumb in bootstage calls for basic operations
> ?bootstage: arm: Add bootstage calls in board and bootm
>
> ?README ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? | ? 25 +++
> ?arch/arm/lib/board.c ? ? ? ? ? ? ? ? ? | ? ?3 +
> ?arch/arm/lib/bootm.c ? ? ? ? ? ? ? ? ? | ? ?6 +-
> ?arch/avr32/lib/bootm.c ? ? ? ? ? ? ? ? | ? ?2 +-
> ?arch/m68k/lib/bootm.c ? ? ? ? ? ? ? ? ?| ? ?2 +-
> ?arch/microblaze/lib/bootm.c ? ? ? ? ? ?| ? ?2 +-
> ?arch/mips/lib/bootm.c ? ? ? ? ? ? ? ? ?| ? ?2 +-
> ?arch/mips/lib/bootm_qemu_mips.c ? ? ? ?| ? ?2 +-
> ?arch/nds32/lib/bootm.c ? ? ? ? ? ? ? ? | ? ?2 +-
> ?arch/powerpc/lib/board.c ? ? ? ? ? ? ? | ? ?2 +-
> ?arch/powerpc/lib/bootm.c ? ? ? ? ? ? ? | ? ?2 +-
> ?arch/sparc/lib/board.c ? ? ? ? ? ? ? ? | ? ?2 +-
> ?arch/x86/lib/board.c ? ? ? ? ? ? ? ? ? | ? 19 +--
> ?board/Seagate/dockstar/dockstar.c ? ? ?| ? ?4 +-
> ?board/a4m072/a4m072.c ? ? ? ? ? ? ? ? ?| ? ?2 +-
> ?board/bf533-stamp/bf533-stamp.c ? ? ? ?| ? 30 ++--
> ?board/hermes/hermes.c ? ? ? ? ? ? ? ? ?| ? ?8 +-
> ?board/ivm/ivm.c ? ? ? ? ? ? ? ? ? ? ? ?| ? ?2 +-
> ?board/matrix_vision/common/mv_common.c | ? ?2 +-
> ?board/matrix_vision/mvbc_p/mvbc_p.c ? ?| ? ?8 +-
> ?board/pcs440ep/pcs440ep.c ? ? ? ? ? ? ?| ? 50 +++---
> ?board/scb9328/scb9328.c ? ? ? ? ? ? ? ?| ? ?6 -
> ?board/sixnet/sixnet.c ? ? ? ? ? ? ? ? ?| ? ?2 +-
> ?board/ti/beagle/beagle.c ? ? ? ? ? ? ? | ? ?2 +-
> ?common/Makefile ? ? ? ? ? ? ? ? ? ? ? ?| ? ?1 +
> ?common/bootstage.c ? ? ? ? ? ? ? ? ? ? | ?160 ++++++++++++++++++++
> ?common/cmd_bootm.c ? ? ? ? ? ? ? ? ? ? | ? 95 ++++++------
> ?common/cmd_ide.c ? ? ? ? ? ? ? ? ? ? ? | ? 46 +++---
> ?common/cmd_nand.c ? ? ? ? ? ? ? ? ? ? ?| ? 34 ++--
> ?common/cmd_net.c ? ? ? ? ? ? ? ? ? ? ? | ? 23 ++-
> ?common/cmd_usb.c ? ? ? ? ? ? ? ? ? ? ? | ? ?1 +
> ?common/env_common.c ? ? ? ? ? ? ? ? ? ?| ? ?2 +-
> ?common/image.c ? ? ? ? ? ? ? ? ? ? ? ? | ? 56 ++++---
> ?include/bootstage.h ? ? ? ? ? ? ? ? ? ?| ?260 ++++++++++++++++++++++++++++++++
> ?include/common.h ? ? ? ? ? ? ? ? ? ? ? | ? 13 +-
> ?lib/time.c ? ? ? ? ? ? ? ? ? ? ? ? ? ? | ? 17 ++
> ?net/bootp.c ? ? ? ? ? ? ? ? ? ? ? ? ? ?| ? ?4 +
> ?net/eth.c ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?| ? ?6 +-
> ?net/net.c ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?| ? ?1 +
> ?post/post.c ? ? ? ? ? ? ? ? ? ? ? ? ? ?| ? ?4 +-
> ?40 files changed, 698 insertions(+), 212 deletions(-)
> ?create mode 100644 common/bootstage.c
> ?create mode 100644 include/bootstage.h
>
> --
> 1.7.3.1
>