[OpenWrt-Devel] Fast build testing [Was: Git mirror with branches, tags and full history]

[Bastian Bittorf]

* John Szakmeister <john at szakmeister.net> [02.12.2015 16:04]:
> > today tested PowerPC/mpc85xx and this needs 160 seconds:
> > make clean; make -j25
> 
> Do these numbers include building the toolchain?  And I assume it does
> not include downloading all the sources, correct?

just bumping this thread:
is there a way to just build *all* (or nearly all) packages?

here is the script for copy/paste for measuring *your* time:
(please make sure '/usr/bin/time' is installed)

work()
{
        echo "CONFIG_TARGET_${1:-mpc85xx}=y" >.config

        THREADS=$( grep -sc ^processor /proc/cpuinfo )
        THREADS=$(( THREADS + 1 ))

        S0='defconfig'
        S1="tools/install $( test "$(id -u)" = 0 && echo FORCE_UNSAFE_CONFIGURE=1 )"
        S2='toolchain/install'
        S3='target/compile'
        S4='package/compile'
        S5='package/install'
        S6='package/preconfig'
        S7='target/install'
        S8='package/index'
        S9='clean'

        for STEP in "$S0" "$S1" "$S2" "$S3" "$S4" "$S5" "$S6" "$S7" "$S8" "$S9" '' dirclean; do
                COMMAND="make -j$THREADS $STEP"
                echo "real: $COMMAND | $( cat /proc/loadavg ) - space: $( du -sh )"
                /usr/bin/time -f "real %e secs" $COMMAND || break
        done
}

you can run it (inside the openwrt-dir) with:
# work ar71xx 2>&1 | tee LOG

after it has run you can get the stats with the horrible one-liner:
# grep ^real LOG | while read -r L; do set -- $L; test "$1" != 'real:' && echo "$L $O" || { shift; O="$*"; }; done

bye, bastian

PS: i asked some of my customers if they agree to setup some strong
boxes inside theire data-center for just building openwrt and at
least 3 are fine with this.
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