[PATCH v3 12/12] selftests/nolibc: speed up some targets with multiple jobs

Zhangjin Wu
2023-07-27T20:35:18Z

The sysroot install and kernel build targets are time cost, let's use
-j<N> to parallelize them with multiple jobs.

Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
---
tools/testing/selftests/nolibc/Makefile | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile
index ad2538ec5eb0..1b45c22f9a94 100644
--- a/tools/testing/selftests/nolibc/Makefile
+++ b/tools/testing/selftests/nolibc/Makefile
@@ -171,7 +171,7 @@ PHONY = sysroot/$(ARCH)/include
sysroot/$(ARCH)/include:
$(Q)rm -rf sysroot/$(ARCH) sysroot/sysroot
$(QUIET_MKDIR)mkdir -p sysroot
- $(Q)$(MAKE) -C ../../../include/nolibc ARCH=$(ARCH) OUTPUT=$(CURDIR)/sysroot/ headers_standalone
+ $(Q)$(MAKE) -j$$(nproc) -C ../../../include/nolibc ARCH=$(ARCH) OUTPUT=$(CURDIR)/sysroot/ headers_standalone
$(Q)mv sysroot/sysroot sysroot/$(ARCH)

ifneq ($(NOLIBC_SYSROOT),0)
@@ -211,7 +211,7 @@ initramfs: nolibc-test
$(Q)cp nolibc-test initramfs/init

# common macros for kernel targets
-MAKE_KERNEL = $(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE)
+MAKE_KERNEL = $(MAKE) -j$$(nproc) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE)
KERNEL_CONFIG = $(objtree)/.config
KERNEL_IMAGE = $(objtree)/$(IMAGE)

--
2.25.1