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authorSumera Priyadarsini <sylphrenadin@gmail.com>2020-10-11 12:29:42 +0200
committerJulia Lawall <Julia.Lawall@lip6.fr>2020-10-12 10:37:56 +0200
commitc5864560d935db879cafa21feca0156d91eba842 (patch)
tree333a8061c885f324a4fc6e54aaf42c6d9bd0ec28 /scripts/coccicheck
parentscripts: coccicheck: Add quotes to improve portability (diff)
downloadlinux-c5864560d935db879cafa21feca0156d91eba842.tar.xz
linux-c5864560d935db879cafa21feca0156d91eba842.zip
scripts: coccicheck: Change default condition for parallelism
Currently, Coccinelle uses at most one thread per core by default in machines with more than 2 hyperthreads. However, for systems with only 4 hyperthreads, this does not improve performance. Modify coccicheck to use all available threads in machines with upto 4 hyperthreads. Signed-off-by: Sumera Priyadarsini <sylphrenadin@gmail.com> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Diffstat (limited to '')
-rwxr-xr-xscripts/coccicheck2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/coccicheck b/scripts/coccicheck
index d67907b8a38b..209bb0427b43 100755
--- a/scripts/coccicheck
+++ b/scripts/coccicheck
@@ -79,7 +79,7 @@ else
THREADS_PER_CORE=$(lscpu | grep "Thread(s) per core: " | tr -cd "[:digit:]")
if [ -z "$J" ]; then
NPROC=$(getconf _NPROCESSORS_ONLN)
- if [ $THREADS_PER_CORE -gt 1 -a $NPROC -gt 2 ] ; then
+ if [ $THREADS_PER_CORE -gt 1 -a $NPROC -gt 4 ] ; then
NPROC=$((NPROC/2))
fi
else