num_cpu_cores: Prefer getconf over cpuinfo grep, simplify grep usage

This commit is contained in:
Ville Skyttä 2017-11-09 09:28:49 +02:00
parent eabe1f36a5
commit 67c47603ee

View file

@ -154,7 +154,8 @@ num_cpu_cores() {
num="$(sysctl -n hw.ncpu 2>/dev/null || true)"
;;
* )
num="$(grep ^processor /proc/cpuinfo 2>/dev/null | wc -l | xargs)"
num="$({ getconf _NPROCESSORS_ONLN ||
grep -c ^processor /proc/cpuinfo; } 2>/dev/null)"
num="${num#0}"
;;
esac