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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id j2sm2766390pji.34.2021.05.27.15.23.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 May 2021 15:23:52 -0700 (PDT) From: Kees Cook To: linux-kernel@vger.kernel.org Cc: Kees Cook , Will Drewry , Andy Lutomirski Subject: [PATCH v2] selftests/seccomp: Flush benchmark output Date: Thu, 27 May 2021 15:23:49 -0700 Message-Id: <20210527222349.160313-1-keescook@chromium.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Patch-Hashes: v=1; h=sha256; g=50025d7c2f709b9526e76b6ce960f09690d87971; i=6243iECffBLBf0eyaYHwzDsTKC256/cNcbWhMnbB4WY=; m=vLz2ndLISh7t89L+RgrK0PLRIKThT5XRvLRgLgB9Qt8=; p=Z127bkhPB8jdCUW260X9wzE+8VCFTf74lJIc26Bcp3s= X-Patch-Sig: m=pgp; i=keescook@chromium.org; s=0x0x8972F4DFDC6DC026; b=iQIzBAABCgAdFiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmCwG/QACgkQiXL039xtwCZY9Q/+LTK 8cQXKLBNkMElrLLAwCuXHNC62Gx6CeUkpWJ/iekfYE+JJi/qw4UUybYonKWSnVceMeCY6Ck3BSseJ 0KCw+1iBS/mVBHIZSFIvVih0SBLLDXGLprxu2rx+bjNtMXX3LATlFw/cOzPdrVzx5WOFyXdWlwzYb 2ULu49gfzQdmd8p2oJ/XLNMdo/hVU0fzv5aRGAJumeScpOynbreHT2U70KWbMH+9iJY7Op2dX/AmN VCjdGa0cezXioonYe2Kp7nxD2a0chs/0PBHkrKihVyjRtRxhu8YPMaA/0adPpyntSM5oywV+Rt74g GnQKvKROn3PpVKLn9SOoqEdpBtB17avKWDcp4ldHssXR1HXfaKiPBgU9MkLqdMJ/GZCWG7qfPDPmi 7JwQUwH85pqFeFiTZdW5LGacIvLoChx1EmidG4/cmk3S75crXFqeE3ZmjBs5x8Gj4NBiSp6iE+bwH 9tLvkijBvRyF+ru6jhyvGvGl2uWMGAEjwWV9DTBmW57D3rBqdhbPLkVkODhfIcW/YYUaNSSsdePYP yery9UZckgLx0FI+0XepgTFzmJHQJHQyGrgU6oWP9P6vltProhAx171R/3rjOBrCWQZwGW8T+mKqW Kco+zdajbUBx+hDtO6N4N9KPtWW0DZ6qbuKKUDTuG5xWck48YW04pTJlhoeuUVTI= Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When running the seccomp benchmark under a test runner, it wouldn't provide any feedback on progress. Set stdout unbuffered. Suggested-by: Will Drewry Signed-off-by: Kees Cook --- tools/testing/selftests/seccomp/seccomp_benchmark.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/testing/selftests/seccomp/seccomp_benchmark.c b/tools/testing/selftests/seccomp/seccomp_benchmark.c index fcc806585266..363cad755042 100644 --- a/tools/testing/selftests/seccomp/seccomp_benchmark.c +++ b/tools/testing/selftests/seccomp/seccomp_benchmark.c @@ -143,6 +143,8 @@ int main(int argc, char *argv[]) unsigned long long native, filter1, filter2, bitmap1, bitmap2; unsigned long long entry, per_filter1, per_filter2; + setbuf(stdout, NULL); + printf("Current BPF sysctl settings:\n"); system("sysctl net.core.bpf_jit_enable"); system("sysctl net.core.bpf_jit_harden"); -- 2.25.1