Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964988Ab2EWCnN (ORCPT ); Tue, 22 May 2012 22:43:13 -0400 Received: from mga03.intel.com ([143.182.124.21]:50778 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751850Ab2EWCnK convert rfc822-to-8bit (ORCPT ); Tue, 22 May 2012 22:43:10 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="146555362" From: "Du, ChangbinX" To: Michal Nazarewicz , "'gregkh@linuxfoundation.org'" CC: "'David Rientjes'" , "'Sergei Shtylyov'" , "Fleming, Matt" , "'balbi@ti.com'" , "'hpa@zytor.com'" , "'linux-kernel@vger.kernel.org'" , "'linux-usb@vger.kernel.org'" Subject: [PATCH v2] testusb: expose looping forever option "l" to user Thread-Topic: [PATCH v2] testusb: expose looping forever option "l" to user Thread-Index: AQHNOI3HlZBaw4PBIUqH35T9UAv+PQ== Date: Wed, 23 May 2012 02:43:05 +0000 Message-ID: <0C18FE92A7765D4EB9EE5D38D86A563A063D03@SHSMSX101.ccr.corp.intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2054 Lines: 61 The testusb.c tool has support for looping forever implemented, which may be useful for stress test, yet it is not exposed to the user, so even though the code is there, it cannot be used. This commit adds "l" to the set of options handled by the application which enables the feature. Also, I collate help information for each command line option to make it easier to use for novice. Signed-off-by: Du Changbin --- tools/usb/testusb.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/tools/usb/testusb.c b/tools/usb/testusb.c index 0aac3ff..7a7adf3 100644 --- a/tools/usb/testusb.c +++ b/tools/usb/testusb.c @@ -422,7 +422,7 @@ int main (int argc, char **argv) /* for easy use when hotplugging */ device = getenv ("DEVICE"); - while ((c = getopt (argc, argv, "D:aA:c:g:hns:t:v:")) != EOF) + while ((c = getopt (argc, argv, "D:aA:c:g:hlns:t:v:")) != EOF) switch (c) { case 'D': /* device, if only one */ device = optarg; @@ -465,10 +465,21 @@ int main (int argc, char **argv) case 'h': default: usage: - fprintf (stderr, "usage: %s [-n] [-D dev | -a | -A usbfs-dir]\n" - "\t[-c iterations] [-t testnum]\n" - "\t[-s packetsize] [-g sglen] [-v vary]\n", - argv [0]); + fprintf (stderr, + "usage: %s [options]\n" + "Options:\n" + "\t-D dev only test specific device\n" + "\t-A usbfs-dir\n" + "\t-a test all recognized devices\n" + "\t-l loop forever(for stress test)\n" + "\t-t testnum only run specified case\n" + "\t-n no test running, show devices to be tested\n" + "Case arguments:\n" + "\t-c iterations default 1000\n" + "\t-s packetsize default 512\n" + "\t-g sglen default 32\n" + "\t-v vary default 512\n", + argv[0]); return 1; } if (optind != argc) -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/