From owner-freebsd-hackers@freebsd.org Sun Jul 12 13:49:36 2020 Return-Path: Delivered-To: freebsd-hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id DE60C364024 for ; Sun, 12 Jul 2020 13:49:36 +0000 (UTC) (envelope-from ekraju@gmail.com) Received: from mail-yb1-xb2e.google.com (mail-yb1-xb2e.google.com [IPv6:2607:f8b0:4864:20::b2e]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4B4SnW6XVDz4Yn7 for ; Sun, 12 Jul 2020 13:49:35 +0000 (UTC) (envelope-from ekraju@gmail.com) Received: by mail-yb1-xb2e.google.com with SMTP id l19so5139486ybl.1 for ; Sun, 12 Jul 2020 06:49:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=UQZxCTyY0M5dPqw1rcztyS7Pj+YGzrjHnjweb9Kof/k=; b=I01PsEqNPyfo+Eg9I4FczGs5zs1RnaV3BMCihiOtjdyz2lP2ctcQ8Oj7DL8KE2mXmU 9Stkqpzxn1eeKoVxoYRFA2iN1z2CcH9DfzhfSDcE2k9IGSUUvpv3/LNU9p1N5WqD2u1i SuGnfjkeexjr9oJgD90rLF4z9kgHXRLIBLE9sNRXwGFS+Fz3DsQF93bpZr6EFxNdpQNN lJZLr5biL6WuIsMJfyHsmnHxqJH6lpbIFjPPUsmh2GwOSO+bajFfeSqxKZf+5I4P87yq CPasrplDjTZ7OT9oAzixODMvNZFR8hE5M0RQnOYUlEkUVoDuLE5Pp1OnQckgwcIKkYMI /1KA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=UQZxCTyY0M5dPqw1rcztyS7Pj+YGzrjHnjweb9Kof/k=; b=kX6VCzlUyer2nShLgaOwx+XUMzrk/L4rwmZfF7ULHsyylq3xDyVlk1mMw3UjvHVcDi u4V3IVorVp5z0k9E4Gm9tGS2yviErBvB61+OpAygrZU03NPzeW20bMy++zBRYObQNshH M7oMe+TxQoQuudX9LDOJpcMXCrrAsYEF3i3udN5xEMuoOdtR3ZO24tvr0oyIXw1yvqOw +QVO6jNEj7j7jdRVC0e8L2RhnvlCkoEFA7rJgc++r8Mzsq3I/Mn+N6GQLX9PBpRCkuN5 a4RL9pXX7q55UlUXXOFZ9tinVWh0jeJmjCON6G5cI+HoYIquAvHEOaNYLC3k7OC6dS5U lInw== X-Gm-Message-State: AOAM533rRcSU9Zmyl0hMNe3oREXf418JQ1IlwHRlE3j/uXQkafntTRMk WYt5LI++GpdhDrR1rq4gyeGSZehnGwnf8gKh/vGoSUL/5YQ= X-Google-Smtp-Source: ABdhPJyJz8SP1pBvqhRR25LGZq8aV8PmxnwEKYpkdmeV2O7jP0lgo1WqgTftUdxcddGefM5bi2VAzo4nv1CHltwxNXo= X-Received: by 2002:a25:8205:: with SMTP id q5mr18625544ybk.228.1594561774566; Sun, 12 Jul 2020 06:49:34 -0700 (PDT) MIME-Version: 1.0 From: Krishnamraju Eraparaju Date: Sun, 12 Jul 2020 19:19:23 +0530 Message-ID: Subject: multi queueing in FreeBSD block layer To: FreeBSD Hackers X-Rspamd-Queue-Id: 4B4SnW6XVDz4Yn7 X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=I01PsEqN; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of ekraju@gmail.com designates 2607:f8b0:4864:20::b2e as permitted sender) smtp.mailfrom=ekraju@gmail.com X-Spamd-Result: default: False [-3.17 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.95)[-0.949]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; NEURAL_HAM_LONG(-1.01)[-1.007]; RCPT_COUNT_ONE(0.00)[1]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::b2e:from]; NEURAL_HAM_SHORT(-0.21)[-0.215]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.33 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 12 Jul 2020 13:49:36 -0000 Hi, Does the FreeBSD block layer has support for multi-queue(or similar to exploit parallelism in software), like blk_mq in Linux? Thanks. ekraju.