Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755367AbZC0JTg (ORCPT ); Fri, 27 Mar 2009 05:19:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753149AbZC0JT1 (ORCPT ); Fri, 27 Mar 2009 05:19:27 -0400 Received: from mga03.intel.com ([143.182.124.21]:25871 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752893AbZC0JT0 (ORCPT ); Fri, 27 Mar 2009 05:19:26 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.38,431,1233561600"; d="scan'208";a="124823423" Date: Fri, 27 Mar 2009 10:19:17 +0100 From: Markus Metzger To: linux-kernel@vger.kernel.org, mingo@elte.hu, tglx@linutronix.de, hpa@zytor.com Cc: markus.t.metzger@intel.com, markus.t.metzger@gmail.com, roland@redhat.com, eranian@googlemail.com, oleg@redhat.com, juan.villacis@intel.com, ak@linux.jf.intel.com Subject: [patch 10/14] x86, ds: add ds selftests for task tracing Message-ID: <20090327101917.A11582@sedona.ch.intel.com> Mime-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.2.5i Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2203 Lines: 67 Add selftests for tracing the current task. Signed-off-by: Markus Metzger --- Index: git-tip/arch/x86/kernel/ds_selftest.c =================================================================== --- git-tip.orig/arch/x86/kernel/ds_selftest.c 2009-03-26 10:39:24.000000000 +0100 +++ git-tip/arch/x86/kernel/ds_selftest.c 2009-03-26 10:39:25.000000000 +0100 @@ -284,6 +284,7 @@ int ds_selftest_bts(void) { struct ds_selftest_bts_conf conf; unsigned char buffer[BUFFER_SIZE]; + unsigned long irq; int cpu; printk(KERN_INFO "[ds] bts selftest..."); @@ -321,6 +322,28 @@ int ds_selftest_bts(void) goto out; } + conf.suspend = ds_suspend_bts_wrap; + conf.resume = ds_resume_bts_wrap; + conf.tracer = + ds_request_bts_task(current, buffer, BUFFER_SIZE, + NULL, (size_t)-1, BTS_KERNEL); + ds_selftest_bts_cpu(&conf); + ds_release_bts(conf.tracer); + if (conf.error < 0) + goto out; + + conf.suspend = ds_suspend_bts_noirq; + conf.resume = ds_resume_bts_noirq; + conf.tracer = + ds_request_bts_task(current, buffer, BUFFER_SIZE, + NULL, (size_t)-1, BTS_KERNEL); + local_irq_save(irq); + ds_selftest_bts_cpu(&conf); + ds_release_bts_noirq(conf.tracer); + local_irq_restore(irq); + if (conf.error < 0) + goto out; + conf.error = 0; out: put_online_cpus(); --------------------------------------------------------------------- Intel GmbH Dornacher Strasse 1 85622 Feldkirchen/Muenchen Germany Sitz der Gesellschaft: Feldkirchen bei Muenchen Geschaeftsfuehrer: Douglas Lusk, Peter Gleissner, Hannes Schwaderer Registergericht: Muenchen HRB 47456 Ust.-IdNr. VAT Registration No.: DE129385895 Citibank Frankfurt (BLZ 502 109 00) 600119052 This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. -- 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/