From: "Thomas Weißschuh" <thomas@t-8ch.de>
To: Zhangjin Wu <falcon@tinylab.org>
Cc: w@1wt.eu, arnd@arndb.de, linux-kernel@vger.kernel.org,
linux-kselftest@vger.kernel.org
Subject: Re: [PATCH v3 12/12] selftests/nolibc: speed up some targets with multiple jobs
Date: Sat, 29 Jul 2023 08:44:32 +0200 [thread overview]
Message-ID: <ce2f10ad-bbdf-4948-b784-b497e8973e6e@t-8ch.de> (raw)
In-Reply-To: <ca03989b38085a74bde33b7dc5040b33a76f3c4b.1690489039.git.falcon@tinylab.org>
On 2023-07-28 04:35:01+0800, Zhangjin Wu wrote:
> 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$$(nproc) -C ../../../include/nolibc ARCH=$(ARCH) OUTPUT=$(CURDIR)/sysroot/ headers_standalone
This should already work when the users specify -j on the make command
line themselves.
I'm not a fan of force-enabling it here.
> $(Q)mv sysroot/sysroot sysroot/$(ARCH)
>
> ifneq ($(NOLIBC_SYSROOT),0)
> @@ -211,7 +211,7 @@ initramfs: nolibc-test
> $(Q)cp nolibc-test initramfs/init
>
> # common macros for kernel targets
> -MAKE_KERNEL = $(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE)
> +MAKE_KERNEL = $(MAKE) -j$$(nproc) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE)
> KERNEL_CONFIG = $(objtree)/.config
> KERNEL_IMAGE = $(objtree)/$(IMAGE)
>
> --
> 2.25.1
>
next prev parent reply other threads:[~2023-07-29 6:44 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-27 20:21 [PATCH v3 00/12] selftests/nolibc: add minimal kernel config support - part1 Zhangjin Wu
2023-07-27 20:22 ` [PATCH v3 01/12] selftests/nolibc: allow report with existing test log Zhangjin Wu
2023-07-29 6:28 ` Thomas Weißschuh
2023-07-29 8:53 ` Zhangjin Wu
2023-07-27 20:23 ` [PATCH v3 02/12] selftests/nolibc: add macros to reduce duplicated changes Zhangjin Wu
2023-07-27 20:24 ` [PATCH v3 03/12] selftests/nolibc: fix up O= option support Zhangjin Wu
2023-07-27 20:26 ` [PATCH v3 04/12] selftests/nolibc: string the core targets Zhangjin Wu
2023-07-27 20:27 ` [PATCH v3 05/12] selftests/nolibc: allow customize CROSS_COMPILE by architecture Zhangjin Wu
2023-07-27 20:28 ` [PATCH v3 06/12] selftests/nolibc: customize CROSS_COMPILE for 32/64-bit powerpc Zhangjin Wu
2023-07-29 8:35 ` Willy Tarreau
2023-07-29 8:46 ` Zhangjin Wu
2023-07-27 20:29 ` [PATCH v3 07/12] selftests/nolibc: add menuconfig and mrproper for development Zhangjin Wu
2023-07-27 20:30 ` [PATCH v3 08/12] selftests/nolibc: allow quit qemu-system when poweroff fails Zhangjin Wu
2023-07-28 19:40 ` Zhangjin Wu
2023-07-29 7:59 ` Thomas Weißschuh
2023-07-29 8:29 ` Willy Tarreau
2023-07-29 12:05 ` Zhangjin Wu
2023-07-29 17:06 ` Willy Tarreau
2023-07-30 22:28 ` Zhangjin Wu
2023-07-27 20:31 ` [PATCH v3 09/12] selftests/nolibc: customize QEMU_TIMEOUT for ppc64/ppc64le Zhangjin Wu
2023-07-27 20:32 ` [PATCH v3 10/12] selftests/nolibc: tinyconfig: add extra common options Zhangjin Wu
2023-07-27 20:33 ` [PATCH v3 11/12] selftests/nolibc: tinyconfig: add support for 32/64-bit powerpc Zhangjin Wu
2023-07-27 20:35 ` [PATCH v3 12/12] selftests/nolibc: speed up some targets with multiple jobs Zhangjin Wu
2023-07-29 6:44 ` Thomas Weißschuh [this message]
2023-07-29 8:31 ` Willy Tarreau
2023-07-29 9:11 ` Zhangjin Wu
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