From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from e2i340.smtp2go.com (e2i340.smtp2go.com [103.2.141.84]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 617B628FFFB for ; Fri, 23 Jan 2026 15:06:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=103.2.141.84 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769180803; cv=none; b=fooiGtI9hndkekGL5IMJumjZb00o+ab7QYJISrAD6ijEU7kA/3VgZs2Q9kF2/zUySHD+TEEi7AjkTT/ZKcePY6AlIULtL19k+zw0sK7LcW/qTQ+8I9h8wOLshMQZ0otcfvqRTyLGMmOIw7VbpBnM03C+5uPvW4TMhYZdY49dmuM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769180803; c=relaxed/simple; bh=Pynp0nE/3zAtaQ+2+SSJ/nl47ljUhiFgkbGLgQ6OWNE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=SL5WJSQVQ7lb6VwnktVXX4WEzr9eLJ0aN2+KaS8XpXodwpItHJUtBUubnqwdk//H9o0qTLkFvCH9eqFuqoH404IQaWtnurACja9Y4cq2JrEqC+2qHtudYGkjvjt7FbyJ2AFDkFcXglN54mDQ+4QUQrU4J46RIB5i3hTuyR9yo4Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=triplefau.lt; spf=pass smtp.mailfrom=em510616.triplefau.lt; dkim=fail (0-bit key) header.d=smtpservice.net header.i=@smtpservice.net header.b=Blt445lw reason="unknown key version"; dkim=pass (2048-bit key) header.d=triplefau.lt header.i=@triplefau.lt header.b=cGxXOuwn; arc=none smtp.client-ip=103.2.141.84 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=triplefau.lt Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=em510616.triplefau.lt Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="unknown key version" (0-bit key) header.d=smtpservice.net header.i=@smtpservice.net header.b="Blt445lw"; dkim=pass (2048-bit key) header.d=triplefau.lt header.i=@triplefau.lt header.b="cGxXOuwn" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=smtpservice.net; s=maxzs0.a1-4.dyn; x=1769181702; h=Feedback-ID: X-Smtpcorp-Track:Message-ID:Date:Subject:To:From:Reply-To:Sender: List-Unsubscribe:List-Unsubscribe-Post; bh=SAgBVedFuyxPIgCRhhig25olZXujs9yuAYM+zynQ8pg=; b=Blt445lwch7+SatRgpXxi5cuoC ofIW9m7fqBgNhY5mH9mTFBOgoqt9K9MkR9ZV6Wlmn69/XWRrmlOnE6X7tNQ4tlJmMRaTaQ0rcyEDa GjZz5apx4h+ujApwI+M364iNjPL/AGvNv0yNBp0+Av90EGwZmLhedNzH6mEMBIw6gEHFWpWHbp3rY tZHRpYriLGDBBglf4Ky0vY5DZPd9MQzx1JESybr6D69SML8ASbP1l7x6HSdZJ1EP2btUozMpYjQRu Wcj7FR3eqMQakNHfIUqf4zBEJWnTbSRzIJAnVjSRKqxRd9eU4hOzU4axuiffdVLx8RvKT891A/FfE t7v/A4pQ==; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=triplefau.lt; i=@triplefau.lt; q=dns/txt; s=s510616; t=1769180802; h=from : subject : to : message-id : date; bh=SAgBVedFuyxPIgCRhhig25olZXujs9yuAYM+zynQ8pg=; b=cGxXOuwn/l6+0XjeLjazdebuevMNw+X+eCo1+JxckW9aLaj+4FAgSMoogKJPijvqCfw6z Zj+Z9BUFd7pkPzJlzBSIopH9W1McpC5QzPDcx4w0EPeewUk5SgndXVyE787CBJusjBPFcgK Q2zf67QtFkLjHp/nk9Wgfnw07cfr/MsRVX2iMgSVCeLkGCCZtPE1kpORBzHKE63H621YHhN a/JJXGfS/dhNj68w+FyzcMXFS6gn34ei/zxi4eDTcUy5yaDvrJz/ulAPpOsrOK/eb0vCwsc ThlwS4qbCJzmIvTIyEJfP3LO6Ff4Xs9gRkZH3ziA7Od2AqtvAbWv/fqv4NUA== Received: from [10.172.233.45] (helo=SmtpCorp) by smtpcorp.com with esmtpsa (TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.94.2-S2G) (envelope-from ) id 1vjIjN-TRk3KW-7v; Fri, 23 Jan 2026 15:05:49 +0000 Received: from [10.12.239.196] (helo=localhost) by smtpcorp.com with esmtpsa (TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.98.1-S2G) (envelope-from ) id 1vjIjM-AIkwcC8p1zf-KKLF; Fri, 23 Jan 2026 15:05:48 +0000 From: Remi Pommarel To: Peter Zijlstra , Ingo Molnar , v9fs@lists.linux.dev Cc: Juri Lelli , Vincent Guittot , Eric Van Hensbergen , Latchesar Ionkov , Dominique Martinet , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Remi Pommarel Subject: [PATCH v2 0/2] wait/9p: Account 9P RPC waiting time as I/O wait Date: Fri, 23 Jan 2026 15:48:06 +0100 Message-ID: X-Mailer: git-send-email 2.50.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Smtpcorp-Track: YR1pqUfbOEw8.mQ-QzgLtm7J2.yGkMAQNXqfP Feedback-ID: 510616m:510616apGKSTK:510616sLG8nV3o7E X-Report-Abuse: Please forward a copy of this message, including all headers, to This patch serie helps to attribute the time spent waiting for server responses during 9P RPC calls to I/O wait time in system metrics. As a result, I/O-intensive operations on a 9pfs mount will now be reflected in the "wa" column instead of the "id" one of tools like top. Changes since v1: - Convert a bunch of other 9P's wait_event_killable candidates Remi Pommarel (2): wait: Introduce io_wait_event_killable() 9p: Track 9P RPC waiting time as IO include/linux/wait.h | 15 +++++++++++++++ net/9p/client.c | 4 ++-- net/9p/trans_virtio.c | 14 +++++++------- net/9p/trans_xen.c | 4 ++-- 4 files changed, 26 insertions(+), 11 deletions(-) -- 2.50.1