From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 84449D2F7F3 for ; Thu, 17 Oct 2024 06:43:38 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t1KE8-0001gM-Im; Thu, 17 Oct 2024 02:43:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t1KE7-0001fd-14 for qemu-devel@nongnu.org; Thu, 17 Oct 2024 02:43:15 -0400 Received: from mail-pg1-x530.google.com ([2607:f8b0:4864:20::530]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1t1KE5-0005Fk-IF for qemu-devel@nongnu.org; Thu, 17 Oct 2024 02:43:14 -0400 Received: by mail-pg1-x530.google.com with SMTP id 41be03b00d2f7-7ea0ff74b15so389787a12.3 for ; Wed, 16 Oct 2024 23:43:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=smartx-com.20230601.gappssmtp.com; s=20230601; t=1729147392; x=1729752192; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=CuqvH2NTqcFSEDwUKN/STKKD5/FUD3STbfz6kJBD0EE=; b=Z/yaVSZsSEzNV+K9BBqATAp7yrmMommD/+wshFHC8v8anl83KLMq0P8avKHiKaz52O Mh+83sJqXDHX3CV1sl35exVNmy9QoOEpAItEgcgWMAUcrcu9sOWRAt70kX5ltuB0QZnJ NgZHQKqnpjY9ddAru+7wIN0tzojniq0Fzpj8P1yp0i+T/wPkNGdmbmoBrfDVvz508z5L pqG+JSSuVcNnZNrYgmkt6nu71rFwFoDDhmCs4dT4DSrDidttf3yDGhneQOrahrcQv67j 0AxH90WY8LmVN7k3pxx7iG760bqqPR7HEtc9OvVq4niZ6hUQm3H6Fs4j2cPu3I90oyW4 jTcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729147392; x=1729752192; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=CuqvH2NTqcFSEDwUKN/STKKD5/FUD3STbfz6kJBD0EE=; b=SxYmkW2EHjGsoxVwgaphXlqqPmQuMROh+hlrZMJMdyUtI7oec5fue42AnWztBYth4j xTxUEccRyLg5fLTig8NhQMjqFLCtPDVU3L8HCvddZfrKWzlcvEYE9VfccQhDXTUXaiGl JSzVIap/jw7zZW4tut9sZ5uUygWzmaad6HLGfjHNm9ox9LCyJXhz1Op4UNe3Dz9hKS0L AsiVUbWxvQndUVdIbmQya7EdUjghzCIH/y65Rkr1QJtAckL3IMa27o4ZsczceI2UBPLK cFAnAVXt9N0S6elY5vuFtOf7vjjWsOHKOLjNogBudkZ3l2Y4SxE/jmiQffvLpDqZlopH yWzw== X-Gm-Message-State: AOJu0YxnyUOqtdPMiuVDTV9/KNCIBf1wwisKYY8caTh2lMnV+2dTikAw gq7wqAmsJC7D8323eJxlBNLvPtBYSEfWnkGBbsc4FVWty/6+KhUCIWLDLj2l/dV0Idtve/XOaPD U4Ndirw== X-Google-Smtp-Source: AGHT+IGVJkp+f34DuAMjC6+QzWkaoK+6LCbLo4DlA8737VvkMJsmiR2vLkqLQXqDdKc+kMWC8dW/iQ== X-Received: by 2002:a05:6a21:3a43:b0:1d9:21cb:ecdb with SMTP id adf61e73a8af0-1d921cbed64mr1000367637.41.1729147391434; Wed, 16 Oct 2024 23:43:11 -0700 (PDT) Received: from Hyman-Dev-Euler.zelin.local ([85.208.104.155]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e3e08eba12sm1044372a91.29.2024.10.16.23.43.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Oct 2024 23:43:11 -0700 (PDT) From: yong.huang@smartx.com To: qemu-devel@nongnu.org Cc: Peter Xu , Fabiano Rosas , Richard Henderson , Paolo Bonzini , yong.huang@smartx.com Subject: [PATCH v4 2/6] migration: Stop CPU throttling conditionally Date: Thu, 17 Oct 2024 14:42:51 +0800 Message-Id: X-Mailer: git-send-email 2.27.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::530; envelope-from=yong.huang@smartx.com; helo=mail-pg1-x530.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Hyman Huang Since CPU throttling only occurs when auto-converge is on, stop it conditionally. Signed-off-by: Hyman Huang --- migration/migration.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/migration/migration.c b/migration/migration.c index 021faee2f3..37a200a177 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -3289,7 +3289,9 @@ static MigIterateState migration_iteration_run(MigrationState *s) static void migration_iteration_finish(MigrationState *s) { /* If we enabled cpu throttling for auto-converge, turn it off. */ - cpu_throttle_stop(); + if (migrate_auto_converge()) { + cpu_throttle_stop(); + } bql_lock(); switch (s->state) { -- 2.27.0