From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f47.google.com (mail-pj1-f47.google.com [209.85.216.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 52652261B8D for ; Wed, 24 Dec 2025 00:29:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.47 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766536150; cv=none; b=hgtNVNdSjdoLxNBYMbg/yYHXm3RLwge/9T7dJBmBUPYvejKqdRd3hvRsHeUwCWJK9L7QZwp/tAsWCWSgjehicfaAKpQrvIe+CRUTEIdnvxzPraZnG+kv5dIds7y78cX2SGvp20rs/vYZfFsRiTw1NtZjh3HDjkv9le+iyGtH2Nk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766536150; c=relaxed/simple; bh=uCgr9JbNpxUqM9gbGsf2Jmk4aJqJ6fTLHuKaFTvudAQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=qr4ya4Fg+WZ3WIvxt5w6hDaL5H4OwZsSc1E5HdLHu5sX+TupiPDXfhvi6+hxTF5NPXgjgKyhuH802uRai/KV3kafIIRl8kuSOt25WIY0HUQ+T2Kq88eI1N6b82RIFV5IS9Kqd62fVv4MAmuYhrCZceE98i0tCmI/xJg6ak7yFI0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=H8fMjHsA; arc=none smtp.client-ip=209.85.216.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="H8fMjHsA" Received: by mail-pj1-f47.google.com with SMTP id 98e67ed59e1d1-34c30f0f12eso3936905a91.1 for ; Tue, 23 Dec 2025 16:29:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1766536144; x=1767140944; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=9UqzpQf1IlJwSFAKiovBpo5/3/EPxdibd9liBmZD9wA=; b=H8fMjHsAx25towwQhk2P6R+pi/xlIkqcpZvyc0mNzU0wvU5imLLUrEWf9nxdsuN0pY oPFe0ZCRO6kwbmzJCoG50upAov7xFyVA6l3fSOerC34EP4hZAiRGHk7P+0n3k02jXwf6 qccKtI1RLQrkz0tKU8OlEjt4cGuAw5bF8f6uHdPTFGmYEtXBsy0LZtwg363btwRMBXPE 6bSQV3eiCRgVoEG5E5sqj3zN8l1Uv+/eKvRUMHMKInUVtCTYb72NP8yrbB0suH8A30k4 8O3BSumm9hH0SqwzGqFIt3ykEFTfw7fqwJWPBZWUbea2aNqmFn9aN/2948vZeYyWo06L GFkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1766536144; x=1767140944; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=9UqzpQf1IlJwSFAKiovBpo5/3/EPxdibd9liBmZD9wA=; b=h0uAO4tWMfEm0cHypA+bWMdXXOaaNahO0rSdTkdS5fGO/rjnG4IOw9t47FdN6U6tcz BjpCwZLOBXuuCs5vM8eElMLLvw39Hg9vP1OzrfOY2cKt8/ExpT86Vbqev4OuT2Mt9TjR 6LDlU3cNzp6F1iHXiSD/Nr8EGjwUm+SYGZrvpz5+9oOVAyuZLJfIJQlSNAlvPgOcbPhd 4uq7T3MXRHt2eHNzHgTZ4Dc4lI6fW10Kk8gOsJJ+aFlriHexKUB1eItoN8TmP+R49im4 TxOPcslXc+pJrRp6b6X508cO+Rqip04tiUVaEqily88IYu/jkCXRiIWYwvQvKYVAWVSU suWA== X-Forwarded-Encrypted: i=1; AJvYcCUf7ydfuIUI6MxnSCJRPUzdjeNuQ/8ugeLTL89+WblOf6GsOlB3rr1fFRIP5ZLr8YVb1WBwjB0=@vger.kernel.org X-Gm-Message-State: AOJu0YxP68tJ2MYwVueuO6jQO/1+k/LWluNnLmM4TzeDDg7t3x5IaHGr kr32MpQGdKKKF2dDWtmOu2n0tiFg9NH3JAbB6r8O+2h4Ya8Bsf8MUnx4 X-Gm-Gg: AY/fxX6Zp03kp3OFNhSH0lYueA5ojfIyfydCfNuKjMdH2s/Q5BO/x1O6ycIrvjrj7ll Ksqa6qVXKLMHFb/WIJBZjEnWLtvkd6Tg2AkDFmQvxe0pXF0js2th8dGedAQSQWO0NHRX0Q1f3EL KT691GJby+VXHMC90qNeoYOvdWi7wwylFh0eMy/nzYpNRlWm0FcObH5s5wgmSY8zMn0sTAb7DUd 7GDdzFx2xyqRj4ifBayI6sI7LnGtjeNLmZS2pKCOaFy6mt4FN2Laut0pcfUWurH4LVYZAvC0Fay l1YPbd89RleH3TgX3opNPjc1MRt2jtO26OtKrEnf6ZOsk2v5IRaJOd2/7B7XrIWXcJ0FfnjM398 p7SNRMgP2jWVWnXnQiTGSUkeH0qb+t56z2pV33Udmr+t5QxX7vvGUxIyFVtrXOeCvX4VbfqOuFu YiDRi6l8ojVEFnqOyIrzUFzAoW/9ZGrg== X-Google-Smtp-Source: AGHT+IFTZDOw9eAnRPi6bhVcftRHoSFo8lIyLrFNox+dzS6NcG5frjB7IyWc5r2SL/GNBjuoB/j/Mg== X-Received: by 2002:a17:90b:1f89:b0:340:6f07:fefa with SMTP id 98e67ed59e1d1-34e921af98amr14188558a91.20.1766536144065; Tue, 23 Dec 2025 16:29:04 -0800 (PST) Received: from localhost ([2a03:2880:2ff:4::]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-34e769cd8bcsm9008694a91.0.2025.12.23.16.29.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Dec 2025 16:29:03 -0800 (PST) From: Bobby Eshleman Date: Tue, 23 Dec 2025 16:28:42 -0800 Subject: [PATCH RFC net-next v13 08/13] selftests/vsock: add vm_dmesg_{warn,oops}_count() helpers Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251223-vsock-vmtest-v13-8-9d6db8e7c80b@meta.com> References: <20251223-vsock-vmtest-v13-0-9d6db8e7c80b@meta.com> In-Reply-To: <20251223-vsock-vmtest-v13-0-9d6db8e7c80b@meta.com> To: Stefano Garzarella , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Stefan Hajnoczi , "Michael S. Tsirkin" , Jason Wang , =?utf-8?q?Eugenio_P=C3=A9rez?= , Xuan Zhuo , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Bryan Tan , Vishnu Dasa , Broadcom internal kernel review list , Shuah Khan , Long Li Cc: linux-kernel@vger.kernel.org, virtualization@lists.linux.dev, netdev@vger.kernel.org, kvm@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-kselftest@vger.kernel.org, berrange@redhat.com, Sargun Dhillon , Bobby Eshleman , Bobby Eshleman X-Mailer: b4 0.14.3 From: Bobby Eshleman These functions are reused by the VM tests to collect and compare dmesg warnings and oops counts. The future VM-specific tests use them heavily. This patches relies on vm_ssh() already supporting namespaces. Reviewed-by: Stefano Garzarella Signed-off-by: Bobby Eshleman --- Changes in v11: - break these out into an earlier patch so that they can be used directly in new patches (instead of causing churn by adding this later) --- tools/testing/selftests/vsock/vmtest.sh | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) diff --git a/tools/testing/selftests/vsock/vmtest.sh b/tools/testing/selftests/vsock/vmtest.sh index 1d03acb62347..4b5929ffc9eb 100755 --- a/tools/testing/selftests/vsock/vmtest.sh +++ b/tools/testing/selftests/vsock/vmtest.sh @@ -380,6 +380,17 @@ host_wait_for_listener() { fi } +vm_dmesg_oops_count() { + local ns=$1 + + vm_ssh "${ns}" -- dmesg 2>/dev/null | grep -c -i 'Oops' +} + +vm_dmesg_warn_count() { + local ns=$1 + + vm_ssh "${ns}" -- dmesg --level=warn 2>/dev/null | grep -c -i 'vsock' +} vm_vsock_test() { local ns=$1 @@ -587,8 +598,8 @@ run_shared_vm_test() { host_oops_cnt_before=$(dmesg | grep -c -i 'Oops') host_warn_cnt_before=$(dmesg --level=warn | grep -c -i 'vsock') - vm_oops_cnt_before=$(vm_ssh -- dmesg | grep -c -i 'Oops') - vm_warn_cnt_before=$(vm_ssh -- dmesg --level=warn | grep -c -i 'vsock') + vm_oops_cnt_before=$(vm_dmesg_oops_count "init_ns") + vm_warn_cnt_before=$(vm_dmesg_warn_count "init_ns") name=$(echo "${1}" | awk '{ print $1 }') eval test_"${name}" @@ -606,13 +617,13 @@ run_shared_vm_test() { rc=$KSFT_FAIL fi - vm_oops_cnt_after=$(vm_ssh -- dmesg | grep -i 'Oops' | wc -l) + vm_oops_cnt_after=$(vm_dmesg_oops_count "init_ns") if [[ ${vm_oops_cnt_after} -gt ${vm_oops_cnt_before} ]]; then echo "FAIL: kernel oops detected on vm" | log_host rc=$KSFT_FAIL fi - vm_warn_cnt_after=$(vm_ssh -- dmesg --level=warn | grep -c -i 'vsock') + vm_warn_cnt_after=$(vm_dmesg_warn_count "init_ns") if [[ ${vm_warn_cnt_after} -gt ${vm_warn_cnt_before} ]]; then echo "FAIL: kernel warning detected on vm" | log_host rc=$KSFT_FAIL -- 2.47.3