diff options
Diffstat (limited to 'scripts/coccicheck')
| -rwxr-xr-x | scripts/coccicheck | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/scripts/coccicheck b/scripts/coccicheck index e04d328210ac..209bb0427b43 100755 --- a/scripts/coccicheck +++ b/scripts/coccicheck @@ -75,8 +75,13 @@ else 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="$J" fi @@ -99,7 +104,7 @@ fi if [ "$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 @@ run_cmd_parmap() { 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" |