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SubjectRe: [build-check] scripts: add check_build script
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On July 3, 2018 5:21:20 PM PDT, Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>Hi all,
>
>On Tue, 3 Jul 2018 16:27:06 -0700 Randy Dunlap <rdunlap@infradead.org>
>wrote:
>>
>> On 07/03/2018 03:49 PM, Andrew Morton wrote:
>> > On Tue, 3 Jul 2018 15:12:10 +0200 Norbert Manthey
><nmanthey@amazon.de> wrote:
>> >> +build ()
>> >> +{
>> >> + local -r LOG_FILE="$1"
>> >> + local -i STATUS=0
>> >> +
>> >> + make clean -j $(nproc) &> /dev/null
>> >> + make -j $(nproc) &>> "$LOG_FILE" || STATUS=$?
>> >> +
>> >> + echo "build status: $STATUS" >> "$LOG_FILE"
>> >> + echo "[$SECONDS] build status: $STATUS"
>> >> + return "$STATUS"
>> >> +}
>> >
>> > The script never sets nproc. So I guess this is a bare `make -j'.
>> > When I type that on my (quite beefy) workstation I get eleventy
>xillion
>> > processes and the machine locks up. Can't even wiggle the mouse.
>> > After a 20 minute nap (thanks!) it was still comatose so I hit the
>big
>> > button (who writes this junk??).
>> >
>> > So you might want to take an educated guess from /proc/cpuinfo
>here.
>>
>> or use
>> nproc=`getconf _NPROCESSORS_ONLN`
>>
>> or double it if you want to keep processes ready/waiting.
>
>I have a program called nproc on my system. It is part of coreutils.

Ohdoh, I misread, sorry.

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