On Sun, 11 Oct 2020, Sumera Priyadarsini wrote:
> 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 <[email protected]>
Applied, thanks.
> ---
> scripts/coccicheck | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> 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
> --
> 2.25.1
>
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