[U-Boot] how to read the buildman report

[York Sun]

On 08/14/2014 03:17 PM, Simon Glass wrote:
> Hi York,
> 
> On 14 August 2014 15:36, York Sun <yorksun at freescale.com
> <mailto:yorksun at freescale.com>> wrote:
> 
>     Simon,
> 
>     I need some help to understand the report of buildman. Use this example, when I
>     build all arm and powerpc boards,
> 
> 
> I assume you've checked out the README.

Yes, but not the latest one merged.
>  
> 
>     $ tools/buildman/buildman -b working_qoriq arm powerpc -s
> 
>     Summary of 19 commits for 1023 boards (24 threads, 1 job per thread)
>     01: ls102xa: dcu: Add platform support for DCU on LS1021ATWR board
>            arm: +   tricorder_flash vf610twr tricorder
>        powerpc: +   taishan dlvision
> 
> 
> This means that in commit 01 these boards fail to build.
> 
>     02: video: dcu: Add DCU driver support
>     03: video: dcu: Add Sii9022A HDMI Transmitter support
>     04: arm: ls102xa: Add LETECH support for LS1021AQDS/TWR board
>     05: serial: lpuart: add 32-bit registers lpuart support
>     06: net: tsec: Remove tx snooping support from LS1
>            arm:    vf610twr
> 
> 
> This board got fixed by this commit.
>  
> 
>     07: arm: ls102xa: Add basic support for LS1021ATWR board
>     08: arm: ls102xa: Add basic support for LS1021AQDS board
>            arm: +   ls1021atwr_nor ls1021atwr_letech
> 
> 
> This commit causes these board to fail, in addition to the previous ones.
> 
>     09: driver/ddr/fsl: Add support of overriding chip select write leveling
>            arm: +   ls1021aqds_nor ls1021aqds_letech
>     10: driver/ddr/freescale: Fix DDR3 driver for ARM
>     11: driver/ddr/freescale: Add support of accumulate ECC
>     12: ls102xa: esdhc: Add esdhc support for LS102xA
>     13: ls102xa: etsec: Add etsec support for LS102xA
>     14: net: mdio: Use mb() to be compatible for both ARM and PowerPC
>     15: net: mdio: Add private MDIO read/write function
>     16: net: Merge asm/fsl_enet.h into fsl_mdio.h
>     17: ls102xa: i2c: Add i2c support for LS102xA
>     18: arm: ls102xa: Add Freescale LS102xA SoC support
>     19: patman: Only use git's --no-decorate when available
> 
>     First, is the build supposed to be top down or bottom up? It looks like buildman
>     starts to build from the last commit and works it way down. What I don't
>     understand is the new board. Under patch 08 and 09, I see two boards failed. But
>     these two boards don't exist until a later commit. Should I use --force-reconfig
>     switch?
> 
> 
> It builds from the oldest commit to the newest, and shows in that order.

Doesn't looks so. The 19 is the oldest. The 18 is the first commit I am testing.
The 01 is the newest.

> 
> buildman does not understand boards that are created during a series. This is a
> limitation. So you will get failures for commits that don't have the board.

That explains it.

>  
> 
> 
>     Second, when I see a failed board under a commit, is this commit causing the
>     failure? It is not the case in my example. I see vf610twr failed under 01, but
>     the actual failure is caused by commit 05.
> 
> 
> It seems that there is a problem for commit 01 also - perhaps just a warning?

I think the build order is backward now. Before the latest merge, it did build
from the oldest to the newest. I confirmed that by checking out v2014.10-rc1.

York