From nobody Thu Nov 13 13:37:43 2025 Delivered-To: importer@patchew.org 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; 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 158042095420153.581942157083176; Thu, 30 Jan 2020 13:49:14 -0800 (PST) Received: from localhost ([::1]:39746 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ixHgX-0002pu-3M for importer@patchew.org; Thu, 30 Jan 2020 16:49:13 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:59102) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ixHWc-0002Oy-Nf for qemu-devel@nongnu.org; Thu, 30 Jan 2020 16:38:59 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ixHWb-0000sd-18 for qemu-devel@nongnu.org; Thu, 30 Jan 2020 16:38:58 -0500 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:36834 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ixHWa-0000op-D3 for qemu-devel@nongnu.org; Thu, 30 Jan 2020 16:38:56 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-303-kCCDpSp0M3aETlBpPT3fLg-1; Thu, 30 Jan 2020 16:38:40 -0500 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9443118A6EC1; Thu, 30 Jan 2020 21:38:39 +0000 (UTC) Received: from localhost (unknown [10.36.118.87]) by smtp.corp.redhat.com (Postfix) with ESMTP id C141960BE0; Thu, 30 Jan 2020 21:38:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1580420323; 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=4bJ8TzHQALlGcsbo6CfAHKgxLT0lBqzcK+7zzlvq1Zs=; b=bDCVml6qB/VWmaMTxLWCwfTAYcFeU2ZvmqpIg3BB8xo5mgKsoa2DPxBG9NIpq8idw5o2Iy U8QTasgG0fqAl/uSwkjtb3MwzLJ2GNXK1nAeMDR173dFTwUMLlFnGqgbliT/AHxgDhDnwv XWPWsU8k/lb6+lHdoOvuM3uaa8bqBbc= From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PULL 3/5] memory.c: Use trace_event_get_state_backends() Date: Thu, 30 Jan 2020 21:38:12 +0000 Message-Id: <20200130213814.334195-4-stefanha@redhat.com> In-Reply-To: <20200130213814.334195-1-stefanha@redhat.com> References: <20200130213814.334195-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-MC-Unique: kCCDpSp0M3aETlBpPT3fLg-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.81 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Gerd Hoffmann , Stefan Hajnoczi , Paolo Bonzini Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" From: Peter Maydell The preferred way to test whether a trace event is enabled is to use trace_event_get_state_backends(), because this will give the correct answer (allowing expensive computations to be skipped) whether the trace event is compile-time or run-time disabled. Convert the four old-style direct uses of TRACE_FOO_ENABLED in memory.c. Signed-off-by: Peter Maydell Message-id: 20200120151142.18954-3-peter.maydell@linaro.org Message-Id: <20200120151142.18954-3-peter.maydell@linaro.org> Signed-off-by: Stefan Hajnoczi --- memory.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/memory.c b/memory.c index 854798791e..aeaa8dcc9e 100644 --- a/memory.c +++ b/memory.c @@ -434,7 +434,7 @@ static MemTxResult memory_region_read_accessor(MemoryR= egion *mr, tmp =3D mr->ops->read(mr->opaque, addr, size); if (mr->subpage) { trace_memory_region_subpage_read(get_cpu_index(), mr, addr, tmp, s= ize); - } else if (TRACE_MEMORY_REGION_OPS_READ_ENABLED) { + } else if (trace_event_get_state_backends(TRACE_MEMORY_REGION_OPS_READ= )) { hwaddr abs_addr =3D memory_region_to_absolute_addr(mr, addr); trace_memory_region_ops_read(get_cpu_index(), mr, abs_addr, tmp, s= ize); } @@ -456,7 +456,7 @@ static MemTxResult memory_region_read_with_attrs_access= or(MemoryRegion *mr, r =3D mr->ops->read_with_attrs(mr->opaque, addr, &tmp, size, attrs); if (mr->subpage) { trace_memory_region_subpage_read(get_cpu_index(), mr, addr, tmp, s= ize); - } else if (TRACE_MEMORY_REGION_OPS_READ_ENABLED) { + } else if (trace_event_get_state_backends(TRACE_MEMORY_REGION_OPS_READ= )) { hwaddr abs_addr =3D memory_region_to_absolute_addr(mr, addr); trace_memory_region_ops_read(get_cpu_index(), mr, abs_addr, tmp, s= ize); } @@ -476,7 +476,7 @@ static MemTxResult memory_region_write_accessor(MemoryR= egion *mr, =20 if (mr->subpage) { trace_memory_region_subpage_write(get_cpu_index(), mr, addr, tmp, = size); - } else if (TRACE_MEMORY_REGION_OPS_WRITE_ENABLED) { + } else if (trace_event_get_state_backends(TRACE_MEMORY_REGION_OPS_WRIT= E)) { hwaddr abs_addr =3D memory_region_to_absolute_addr(mr, addr); trace_memory_region_ops_write(get_cpu_index(), mr, abs_addr, tmp, = size); } @@ -496,7 +496,7 @@ static MemTxResult memory_region_write_with_attrs_acces= sor(MemoryRegion *mr, =20 if (mr->subpage) { trace_memory_region_subpage_write(get_cpu_index(), mr, addr, tmp, = size); - } else if (TRACE_MEMORY_REGION_OPS_WRITE_ENABLED) { + } else if (trace_event_get_state_backends(TRACE_MEMORY_REGION_OPS_WRIT= E)) { hwaddr abs_addr =3D memory_region_to_absolute_addr(mr, addr); trace_memory_region_ops_write(get_cpu_index(), mr, abs_addr, tmp, = size); } --=20 2.24.1