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Thu, 05 Sep 2024 16:11:20 +0800 (CST) From: Pu Lehui To: bpf@vger.kernel.org, linux-riscv@lists.infradead.org, netdev@vger.kernel.org Cc: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Puranjay Mohan , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Palmer Dabbelt , Pu Lehui Subject: [PATCH bpf-next v3 10/10] selftests/bpf: Add description for running vmtest on RV64 Date: Thu, 5 Sep 2024 08:14:01 +0000 Message-Id: <20240905081401.1894789-11-pulehui@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240905081401.1894789-1-pulehui@huaweicloud.com> References: <20240905081401.1894789-1-pulehui@huaweicloud.com> MIME-Version: 1.0 X-CM-TRANSID: cCh0CgD3Ii+gZ9lmMQ7AAQ--.26932S12 X-Coremail-Antispam: 1UD129KBjvJXoW7urW7Jr4kAFWUJrWftF47urg_yoW8Cw4Upw s5A34akr1SgF1aqF1fCrW7XF4Fqrs3XrWUGF1xGw15u3W5JFykXrn2yayjvanxuFZYvrsI ya4aqFyY9w18ZaDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPqb4IE77IF4wAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAV Cq3wA2048vs2IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0 rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267 AKxVWxJr0_GcWl84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAF wI0_GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2 WlYx0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkE bVWUJVW8JwACjcxG0xvY0x0EwIxGrwACI402YVCY1x02628vn2kIc2xKxwCY1x0262kKe7 AKxVW8ZVWrXwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02 F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_GFv_Wr ylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVW8JVW5JwCI42IY6xIIjxv20xvEc7Cj xVAFwI0_Gr1j6F4UJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI 0_Gr0_Cr1lIxAIcVC2z280aVCY1x0267AKxVW8Jr0_Cr1UYxBIdaVFxhVjvjDU0xZFpf9x 07jIPfQUUUUU= X-CM-SenderInfo: psxovxtxl6x35dzhxuhorxvhhfrp/ X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240905_091138_923394_6473D8B2 X-CRM114-Status: UNSURE ( 8.94 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Pu Lehui Add description in tools/testing/selftests/bpf/README.rst for running vmtest on RV64. Signed-off-by: Pu Lehui --- tools/testing/selftests/bpf/README.rst | 32 ++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/tools/testing/selftests/bpf/README.rst b/tools/testing/selftests/bpf/README.rst index 4a1e74b17109..776fbe3cb8f9 100644 --- a/tools/testing/selftests/bpf/README.rst +++ b/tools/testing/selftests/bpf/README.rst @@ -85,6 +85,38 @@ In case of linker errors when running selftests, try using static linking: If you want to change pahole and llvm, you can change `PATH` environment variable in the beginning of script. +Running vmtest on RV64 +====================== +To speed up testing and avoid various dependency issues, it is recommended to +run vmtest in a Docker container. Before running vmtest, we need to prepare +Docker container and local rootfs image. The overall steps are as follows: + +1. Create Docker container as shown in link [0]. + +2. Use mkrootfs_debian.sh script [1] to build local rootfs image: + +.. code-block:: console + + $ sudo ./mkrootfs_debian.sh --arch riscv64 --distro noble + +3. Start Docker container [0] and run vmtest in the container: + +.. code-block:: console + + $ PLATFORM=riscv64 CROSS_COMPILE=riscv64-linux-gnu- \ + tools/testing/selftests/bpf/vmtest.sh \ + -l -- \ + ./test_progs -d \ + \"$(cat tools/testing/selftests/bpf/DENYLIST.riscv64 \ + | cut -d'#' -f1 \ + | sed -e 's/^[[:space:]]*//' \ + -e 's/[[:space:]]*$//' \ + | tr -s '\n' ',' \ + )\" + +Link: https://github.com/pulehui/riscv-bpf-vmtest.git [0] +Link: https://github.com/libbpf/ci/blob/main/rootfs/mkrootfs_debian.sh [1] + Additional information about selftest failures are documented here.