From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/scripts/coccicheck | 17 ++++++++++++++---
1 files changed, 14 insertions(+), 3 deletions(-)
diff --git a/kernel/scripts/coccicheck b/kernel/scripts/coccicheck
index e04d328..209bb04 100755
--- a/kernel/scripts/coccicheck
+++ b/kernel/scripts/coccicheck
@@ -75,8 +75,13 @@
OPTIONS="--dir $KBUILD_EXTMOD $COCCIINCLUDE"
fi
+ # Use only one thread per core by default if hyperthreading is enabled
+ THREADS_PER_CORE=$(lscpu | grep "Thread(s) per core: " | tr -cd "[:digit:]")
if [ -z "$J" ]; then
NPROC=$(getconf _NPROCESSORS_ONLN)
+ if [ $THREADS_PER_CORE -gt 1 -a $NPROC -gt 4 ] ; then
+ NPROC=$((NPROC/2))
+ fi
else
NPROC="$J"
fi
@@ -99,7 +104,7 @@
if [ "$MODE" = "" ] ; then
if [ "$ONLINE" = "0" ] ; then
echo 'You have not explicitly specified the mode to use. Using default "report" mode.'
- echo 'Available modes are the following: patch, report, context, org'
+ echo 'Available modes are the following: patch, report, context, org, chain'
echo 'You can specify the mode with "make coccicheck MODE=<mode>"'
echo 'Note however that some modes are not implemented by some semantic patches.'
fi
@@ -126,8 +131,14 @@
if [ $VERBOSE -ne 0 ] ; then
echo "Running ($NPROC in parallel): $@"
fi
- echo $@ >>$DEBUG_FILE
- $@ 2>>$DEBUG_FILE
+ if [ "$DEBUG_FILE" != "/dev/null" -a "$DEBUG_FILE" != "" ]; then
+ echo $@>>$DEBUG_FILE
+ $@ 2>>$DEBUG_FILE
+ else
+ echo $@
+ $@ 2>&1
+ fi
+
err=$?
if [[ $err -ne 0 ]]; then
echo "coccicheck failed"
--
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