Consistently use nproc for counting the CPUs

Coreutils command nproc can be used on Linux and BSD to count the number of available CPU cores. Use this instead of relying on the parsing of the Linux specific proc file system. Signed-off-by: Heinrich Schuchardt <[email protected]>
omniosorg · Jan 30, 2020 · 84f0415 · 84f0415
1 parent 0f97e92
commit 84f0415
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Showing 3 changed files with 3 additions and 3 deletions.
diff --git a/board/hisilicon/hikey/build-tf.mak b/board/hisilicon/hikey/build-tf.mak
@@ -1,6 +1,6 @@
 CROSS_COMPILE	:= aarch64-linux-gnu-
 output_dir	:= $(PWD)/../bin
-makejobs	:= $(shell grep '^processor' /proc/cpuinfo | sort -u | wc -l)
+makejobs	:= $(nproc)
 makethreads	:= $(shell dc -e "$(makejobs) 1 + p")
 make_options	:= GCC49_AARCH64_PREFIX=$CROSS_COMPILE \
 		-j$(makethreads) -l$(makejobs)

diff --git a/test/common.sh b/test/common.sh
@@ -13,7 +13,7 @@ fail() {
 build_uboot() {
 	echo "Build sandbox"
 	OPTS="O=${OUTPUT_DIR} $1"
-	NUM_CPUS=$(grep -c processor /proc/cpuinfo)
+	NUM_CPUS=$(nproc)
 	echo ${OPTS}
 	make ${OPTS} sandbox_config
 	make ${OPTS} -s -j${NUM_CPUS}

diff --git a/test/fs/fs-test.sh b/test/fs/fs-test.sh
@@ -87,7 +87,7 @@ function check_clean() {
 # Generate sandbox U-Boot - gleaned from /test/dm/test-dm.sh
 function compile_sandbox() {
 	unset CROSS_COMPILE
-	NUM_CPUS=$(cat /proc/cpuinfo |grep -c processor)
+	NUM_CPUS=$(nproc)
 	make O=sandbox sandbox_config
 	make O=sandbox -s -j${NUM_CPUS}