From patchwork Tue Jan 26 13:46:40 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 8122601 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4F2C09F6DA for ; Tue, 26 Jan 2016 13:53:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E37DE20256 for ; Tue, 26 Jan 2016 13:53:47 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 412C220254 for ; Tue, 26 Jan 2016 13:53:47 +0000 (UTC) Received: from localhost ([::1]:43967 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aO442-0003k5-LI for patchwork-qemu-devel@patchwork.kernel.org; Tue, 26 Jan 2016 08:53:46 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34866) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aO3y7-0007lP-QY for qemu-devel@nongnu.org; Tue, 26 Jan 2016 08:47:40 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aO3y6-0003zp-Hc for qemu-devel@nongnu.org; Tue, 26 Jan 2016 08:47:39 -0500 Received: from mx1.redhat.com ([209.132.183.28]:33178) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aO3y6-0003zi-Br for qemu-devel@nongnu.org; Tue, 26 Jan 2016 08:47:38 -0500 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (Postfix) with ESMTPS id ED05F8F861; Tue, 26 Jan 2016 13:47:37 +0000 (UTC) Received: from 640k.localdomain.com (ovpn-112-67.ams2.redhat.com [10.36.112.67]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u0QDlNqJ028272; Tue, 26 Jan 2016 08:47:36 -0500 From: Paolo Bonzini To: qemu-devel@nongnu.org Date: Tue, 26 Jan 2016 14:46:40 +0100 Message-Id: <1453816041-36362-9-git-send-email-pbonzini@redhat.com> In-Reply-To: <1453816041-36362-1-git-send-email-pbonzini@redhat.com> References: <1453816041-36362-1-git-send-email-pbonzini@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Janosch Frank Subject: [Qemu-devel] [PULL 08/49] scripts/kvm/kvm_stat: Replaced os.listdir with os.walk X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Janosch Frank Os.walk gives back lists of directories and files, no need to filter directories from the list that listdir gives back. To make it better understandable a wrapper with docstring was introduced. Signed-off-by: Janosch Frank Message-Id: <1452525484-32309-3-git-send-email-frankja@linux.vnet.ibm.com> Signed-off-by: Paolo Bonzini --- scripts/kvm/kvm_stat | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat index 3fadbfb..6323276 100755 --- a/scripts/kvm/kvm_stat +++ b/scripts/kvm/kvm_stat @@ -26,7 +26,7 @@ from collections import defaultdict class DebugfsProvider(object): def __init__(self): self.base = '/sys/kernel/debug/kvm' - self._fields = os.listdir(self.base) + self._fields = walkdir(self.base)[2] def fields(self): return self._fields def select(self, fields): @@ -285,6 +285,15 @@ def detect_platform(): detect_platform() + +def walkdir(path): + """Returns os.walk() data for specified directory. + + As it is only a wrapper it returns the same 3-tuple of (dirpath, + dirnames, filenames). + """ + return next(os.walk(path)) + def invert(d): return dict((x[1], x[0]) for x in d.iteritems()) @@ -394,9 +403,7 @@ class Event(object): class TracepointProvider(object): def __init__(self): path = os.path.join(sys_tracing, 'events', 'kvm') - fields = [f - for f in os.listdir(path) - if os.path.isdir(os.path.join(path, f))] + fields = walkdir(path)[1] extra = [] for f in fields: if f in filters: