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Tue, 02 Apr 2024 16:40:22 -0700 (PDT) Received: from [192.168.100.206] ([89.28.99.140]) by smtp.gmail.com with ESMTPSA id gc9-20020a170906c8c900b00a4e440989f5sm5056824ejb.159.2024.04.02.16.40.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Apr 2024 16:40:21 -0700 (PDT) Message-ID: Subject: Re: [PATCH bpf-next 0/5] Support local vmtest for riscv64 From: Eduard Zingerman To: Pu Lehui , bpf@vger.kernel.org, linux-riscv@lists.infradead.org, netdev@vger.kernel.org Cc: =?ISO-8859-1?Q?Bj=F6rn_T=F6pel?= , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Mykola Lysenko , Manu Bretelle , Pu Lehui Date: Wed, 03 Apr 2024 02:40:19 +0300 In-Reply-To: <52117f9c-b691-409f-ad2a-a25f53a9433d@huaweicloud.com> References: <20240328124916.293173-1-pulehui@huaweicloud.com> <32b3358903bf8ba408812a2636f39a275493eb91.camel@gmail.com> <52117f9c-b691-409f-ad2a-a25f53a9433d@huaweicloud.com> Autocrypt: addr=eddyz87@gmail.com; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Sat, 2024-03-30 at 18:12 +0800, Pu Lehui wrote: [...] > > Looks like I won't be able to test this patch-set, unless you have > > some writeup on how to create a riscv64 dev environment at hand. > > Sorry for the noise > > Yeah, environmental issues are indeed a developer's nightmare. I will > try to do something for the newcomers of riscv64 bpf. At present, I have > simply built a docker local vmtest environment [0] based on Bjorn's > riscv-cross-builder. We can directly run vmtest within this environment. > Hopefully it will help. > > Link: https://github.com/pulehui/riscv-cross-builder/tree/vmtest [0] Hi Pu, Thank you for sharing the docker file, I've managed to run the tests using it. In order to avoid creating files with root permissions I had to add the following lines at the end of the Dockerfile: + RUN useradd --no-create-home --uid 1000 eddy + RUN passwd -d eddy + RUN echo 'eddy ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers + # vmtest.sh does 'mount -o loop', + # ensure there is a loop device in the container + RUN mknod /dev/loop0 b 7 20 Where 'eddy' is my local user with UID 1000. Probably this should be made more generic. I used the following command to start the container: docker run -ti -u 1000:1000 \ --rm -v :/workspace \ -v :/rootfs \ --privileged ubuntu-vmtest:latest /bin/bash Also, I had to add '-d /rootfs/bpf_selftests' option for vmtest.sh in order to avoid polluting user directory inside the container. Maybe OUTPUT_DIR for vmtest.sh should be mounted as a separate volume. I agree with Daniel, it would be great to document all of this somewhere in the repo (or even scripted somehow). Using the specified DENYLIST I get the following stats for test_progs: #3/2 arena_htab/arena_htab_asm:FAIL #3 arena_htab:FAIL #95 get_branch_snapshot:FAIL #172/1 perf_branches/perf_branches_hw:FAIL #172 perf_branches:FAIL #434/3 verifier_arena/basic_alloc3:FAIL #434 verifier_arena:FAIL Summary: 531/3581 PASSED, 64 SKIPPED, 4 FAILED Tested-by: Eduard Zingerman > PS: Since the current rootfs of riscv64 is not in the INDEX, I simply > modified vmtest.sh to support local rootfs. Could you please add this change to the patch-set? 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Tue, 02 Apr 2024 16:40:21 -0700 (PDT) Message-ID: Subject: Re: [PATCH bpf-next 0/5] Support local vmtest for riscv64 From: Eduard Zingerman To: Pu Lehui , bpf@vger.kernel.org, linux-riscv@lists.infradead.org, netdev@vger.kernel.org Cc: =?ISO-8859-1?Q?Bj=F6rn_T=F6pel?= , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Mykola Lysenko , Manu Bretelle , Pu Lehui Date: Wed, 03 Apr 2024 02:40:19 +0300 In-Reply-To: <52117f9c-b691-409f-ad2a-a25f53a9433d@huaweicloud.com> References: <20240328124916.293173-1-pulehui@huaweicloud.com> <32b3358903bf8ba408812a2636f39a275493eb91.camel@gmail.com> <52117f9c-b691-409f-ad2a-a25f53a9433d@huaweicloud.com> Autocrypt: addr=eddyz87@gmail.com; prefer-encrypt=mutual; keydata=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 nYzhLWGcczc6J71q1Dje0l5vIPaSFOgwmWD4DA+WvuxM/shH4rtWeodbv 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 t1iq+gsfnXbPz5AnS598ScZI1oP7OrPSFJkt/z4acEbOQDQs8aUqrd46PV jsdqGvKnXZxzylux29UTNby4jTlz9pNJM+wPrDRmGfchLDUmf6CffaUYCbu4FiId+9+dcTCDvxbABRy1C3OJ8QY7cxfJ+pEZW18fRJ0XCl/fiV/ecAOfB3HsqgTzAn555h0rkFgay0hAvMU/mAW/CFNSIxV397zm749ZNLA0L2dMy1AKuOqH+/B+/ImBfJMDjmdyJQ8WU/OFRuGLdqOd2oZrA1iuPIa+yUYyZkaZfz/emQwpIL1+Q4p1R/OplA4yc301AqruXXUcVDbEB+joHW3hy5FwK5t5OwTKatrSJBkydSF9zdXy98fYzGniRyRA65P0Ix/8J3BYB4edY2/w0Ip/mdYsYQljBY0A== Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.3 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Sat, 2024-03-30 at 18:12 +0800, Pu Lehui wrote: [...] > > Looks like I won't be able to test this patch-set, unless you have > > some writeup on how to create a riscv64 dev environment at hand. > > Sorry for the noise >=20 > Yeah, environmental issues are indeed a developer's nightmare. I will=20 > try to do something for the newcomers of riscv64 bpf. At present, I have= =20 > simply built a docker local vmtest environment [0] based on Bjorn's=20 > riscv-cross-builder. We can directly run vmtest within this environment.= =20 > Hopefully it will help. >=20 > Link: https://github.com/pulehui/riscv-cross-builder/tree/vmtest [0] Hi Pu, Thank you for sharing the docker file, I've managed to run the tests using it. In order to avoid creating files with root permissions I had to add the following lines at the end of the Dockerfile: + RUN useradd --no-create-home --uid 1000 eddy + RUN passwd -d eddy + RUN echo 'eddy ALL=3D(ALL) NOPASSWD:ALL' >> /etc/sudoers + # vmtest.sh does 'mount -o loop', + # ensure there is a loop device in the container + RUN mknod /dev/loop0 b 7 20 Where 'eddy' is my local user with UID 1000. Probably this should be made more generic. I used the following command to start the container: docker run -ti -u 1000:1000 \ --rm -v :/workspace \ -v :/rootfs \ --privileged ubuntu-vmtest:latest /bin/bash Also, I had to add '-d /rootfs/bpf_selftests' option for vmtest.sh in order to avoid polluting user directory inside the container. Maybe OUTPUT_DIR for vmtest.sh should be mounted as a separate volume. I agree with Daniel, it would be great to document all of this somewhere in the repo (or even scripted somehow). Using the specified DENYLIST I get the following stats for test_progs: #3/2 arena_htab/arena_htab_asm:FAIL #3 arena_htab:FAIL #95 get_branch_snapshot:FAIL #172/1 perf_branches/perf_branches_hw:FAIL #172 perf_branches:FAIL #434/3 verifier_arena/basic_alloc3:FAIL #434 verifier_arena:FAIL Summary: 531/3581 PASSED, 64 SKIPPED, 4 FAILED Tested-by: Eduard Zingerman > PS: Since the current rootfs of riscv64 is not in the INDEX, I simply=20 > modified vmtest.sh to support local rootfs. Could you please add this change to the patch-set? [...]