From nobody Tue Feb 10 04:55:23 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1639565786160506.4513854311249; Wed, 15 Dec 2021 02:56:26 -0800 (PST) Received: from localhost ([::1]:60502 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mxRxR-0000M4-1K for importer@patchew.org; Wed, 15 Dec 2021 05:56:25 -0500 Received: from eggs.gnu.org ([209.51.188.92]:39114) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mxRav-0003t0-OV for qemu-devel@nongnu.org; Wed, 15 Dec 2021 05:33:11 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:32166) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mxRat-0007OP-B7 for qemu-devel@nongnu.org; Wed, 15 Dec 2021 05:33:08 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-542-ld_gjcVhNuOUlZ-oqczpgw-1; Wed, 15 Dec 2021 05:32:58 -0500 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 76C51801962; Wed, 15 Dec 2021 10:32:57 +0000 (UTC) Received: from secure.mitica (unknown [10.39.192.37]) by smtp.corp.redhat.com (Postfix) with ESMTP id CC4016E978; Wed, 15 Dec 2021 10:32:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1639564386; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=lhLHBVnrBgjWy1Oe70JIm3oFvnrlvx9QVzfbhdnZThs=; b=X58qmVq3d1r3wYiN13wNtIgVLCIMvoNEb5Nddb20nemwK7u8gzxSkXTMIW8C4tWakh5zsv qMSU68V2Rsl7QB7AWg1iYKtZSQHMvxOqtRYL7UTSwb/ZWYv8refX6SLIFnNVxKQgIZpHKr +4UBR6QgocEAIjeeoeh9WLcSajrYu98= X-MC-Unique: ld_gjcVhNuOUlZ-oqczpgw-1 From: Juan Quintela To: qemu-devel@nongnu.org Subject: [PULL 16/18] COLO: Move some trace code behind qemu_mutex_unlock_iothread() Date: Wed, 15 Dec 2021 11:32:16 +0100 Message-Id: <20211215103218.17527-17-quintela@redhat.com> In-Reply-To: <20211215103218.17527-1-quintela@redhat.com> References: <20211215103218.17527-1-quintela@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=quintela@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.719, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, 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: , Cc: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Hailiang Zhang , "Dr. David Alan Gilbert" , "Rao, Lei" , Juan Quintela Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1639565786645100001 Content-Type: text/plain; charset="utf-8" From: "Rao, Lei" There is no need to put some trace code in the critical section. So, moving it behind qemu_mutex_unlock_iothread() can reduce the lock time. Signed-off-by: Lei Rao Reviewed-by: Juan Quintela Signed-off-by: Juan Quintela --- migration/colo.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/migration/colo.c b/migration/colo.c index 4a772afe78..5f7071b3cd 100644 --- a/migration/colo.c +++ b/migration/colo.c @@ -680,8 +680,8 @@ static void colo_incoming_process_checkpoint(MigrationI= ncomingState *mis, =20 qemu_mutex_lock_iothread(); vm_stop_force_state(RUN_STATE_COLO); - trace_colo_vm_state_change("run", "stop"); qemu_mutex_unlock_iothread(); + trace_colo_vm_state_change("run", "stop"); =20 /* FIXME: This is unnecessary for periodic checkpoint mode */ colo_send_message(mis->to_src_file, COLO_MESSAGE_CHECKPOINT_REPLY, @@ -783,8 +783,8 @@ static void colo_incoming_process_checkpoint(MigrationI= ncomingState *mis, =20 vmstate_loading =3D false; vm_start(); - trace_colo_vm_state_change("stop", "run"); qemu_mutex_unlock_iothread(); + trace_colo_vm_state_change("stop", "run"); =20 if (failover_get_state() =3D=3D FAILOVER_STATUS_RELAUNCH) { return; @@ -887,8 +887,8 @@ void *colo_process_incoming_thread(void *opaque) abort(); #endif vm_start(); - trace_colo_vm_state_change("stop", "run"); qemu_mutex_unlock_iothread(); + trace_colo_vm_state_change("stop", "run"); =20 colo_send_message(mis->to_src_file, COLO_MESSAGE_CHECKPOINT_READY, &local_err); --=20 2.33.1