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 X-Spam-Level: X-Spam-Status: No, score=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E160AC43603 for ; Fri, 6 Dec 2019 21:39:43 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id A93D32173E for ; Fri, 6 Dec 2019 21:39:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="TEr8faMB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A93D32173E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:45602 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1idLKA-0006zZ-Q0 for qemu-devel@archiver.kernel.org; Fri, 06 Dec 2019 16:39:42 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:45266) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1idLFV-0003Z5-Tf for qemu-devel@nongnu.org; Fri, 06 Dec 2019 16:34:56 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1idLFS-0001k8-GE for qemu-devel@nongnu.org; Fri, 06 Dec 2019 16:34:51 -0500 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:52015 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1idLFS-0001f3-4E for qemu-devel@nongnu.org; Fri, 06 Dec 2019 16:34:50 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1575668084; 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=0nU0GLDB1CzqLxIYN0MwWYmBawoC86YndCuM7qoWXvs=; b=TEr8faMB8qFhd9OQwWzLG1vJPcisGgf9OxNwGPZvO55puMnJSM7VZKSrEeXwYbyS+x7StS WCpBTCCtxmk5YFi5QODlX61vEJkZh97FZGzzQR3bi9UNdv6BstPa5xpVKP4hj8Qxhp3ev4 3F+0tsO3FG+CmlRIYOltVpDTqQNmK2Q= 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-143-ZjuVcHCmNRObtM8mlpjVAA-1; Fri, 06 Dec 2019 16:34:43 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 899981005502; Fri, 6 Dec 2019 21:34:41 +0000 (UTC) Received: from virtlab501.virt.lab.eng.bos.redhat.com (virtlab501.virt.lab.eng.bos.redhat.com [10.19.152.162]) by smtp.corp.redhat.com (Postfix) with ESMTP id C195D5C1D4; Fri, 6 Dec 2019 21:34:40 +0000 (UTC) From: Wainer dos Santos Moschetta To: qemu-devel@nongnu.org Subject: [PATCH v2 2/4] python/qemu: accel: Add list_accel() method Date: Fri, 6 Dec 2019 16:34:31 -0500 Message-Id: <20191206213433.11305-3-wainersm@redhat.com> In-Reply-To: <20191206213433.11305-1-wainersm@redhat.com> References: <20191206213433.11305-1-wainersm@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-MC-Unique: ZjuVcHCmNRObtM8mlpjVAA-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 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: 207.211.31.120 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: fam@euphon.net, ehabkost@redhat.com, alex.bennee@linaro.org, philmd@redhat.com, crosa@redhat.com, jsnow@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Since commit cbe6d6365a48 the command `qemu -accel help` returns the list of accelerators enabled in the QEMU binary. This adds the list_accel() method which return that same list. Signed-off-by: Wainer dos Santos Moschetta Reviewed-by: Alex Benn=C3=A9e Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- python/qemu/accel.py | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/python/qemu/accel.py b/python/qemu/accel.py index cbeac10dd1..746b7e68f5 100644 --- a/python/qemu/accel.py +++ b/python/qemu/accel.py @@ -14,7 +14,11 @@ accelerators. # the COPYING file in the top-level directory. # =20 +import logging import os +import subprocess + +LOG =3D logging.getLogger(__name__) =20 # Mapping host architecture to any additional architectures it can # support which often includes its 32 bit cousin. @@ -23,6 +27,25 @@ ADDITIONAL_ARCHES =3D { "aarch64" : "armhf" } =20 +def list_accel(qemu_bin): + """ + List accelerators enabled in the QEMU binary. + + @param qemu_bin (str): path to the QEMU binary. + @raise Exception: if failed to run `qemu -accel help` + @return a list of accelerator names. + """ + if not qemu_bin: + return [] + try: + out =3D subprocess.check_output("%s -accel help" % qemu_bin, shell= =3DTrue) + except: + LOG.debug("Failed to get the list of accelerators in %s" % qemu_bi= n) + raise + lines =3D out.decode().splitlines() + # Skip the first line which is the header. + return [l.strip() for l in lines[1:] if l] + def kvm_available(target_arch=3DNone): host_arch =3D os.uname()[4] if target_arch and target_arch !=3D host_arch: --=20 2.21.0