From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756135AbaBROa3 (ORCPT ); Tue, 18 Feb 2014 09:30:29 -0500 Received: from mail-yh0-f43.google.com ([209.85.213.43]:40659 "EHLO mail-yh0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755565AbaBROaZ (ORCPT ); Tue, 18 Feb 2014 09:30:25 -0500 MIME-Version: 1.0 In-Reply-To: <52FDE52A.4070002@linux.vnet.ibm.com> References: <52FDE52A.4070002@linux.vnet.ibm.com> Date: Tue, 18 Feb 2014 20:00:21 +0530 Message-ID: Subject: Re: [LTP] How to get the Linux kernel coverage data on ARM arch when I run LTP test? From: Naresh Kamboju To: Peter Oberparleiter , Milosz Wasilewski Cc: Arnd Bergmann , fhrbata@redhat.com, Paul Larson , ltp-list , ltp-coverage , Mark Brown , "linux-kernel@vger.kernel.org" , Deepak Saxena , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 14 February 2014 15:13, Peter Oberparleiter wrote: > On 14.02.2014 10:02, Naresh Kamboju wrote: >> root@linaro-developer:/tmp/linux-linaro-3.13-2014.01# gcov kernel/gcov/base.c -o >> /sys/kernel/debug/gcov/tmp/linux-linaro-3.13-2014.01/kernel/gcov/ >> File 'kernel/gcov/base.c' >> Lines executed:43.18% of 44 >> Creating 'base.c.gcov' >> >> root@linaro-developer:/tmp/linux-linaro-3.13-2014.01# >> >> The above experiment gives coverage of a single file base.c when i run >> gcov manually. >> Is there any way to get Linux kernel coverage of all files after >> running LTP test cases ? > > 1. Reset coverage data: lcov -z > 2. Run LTP (or any other test case) > 3. Capture coverage data: lcov -c -o coverage.info > 4. Generate HTML output: genhtml coverage.info -o out > 5. View HTML output: out/index.html It is working !!! LTP executed on linux-linaro build on vexpress-tc2 target. Please find results obtained http://people.linaro.org/~naresh.kamboju/linux-linaro-coverage-by-ltp/ The plan is to run all linaro test suite and to get coverage date. Peter Oberparleiter, Thank you very much for your help. Best regards Naresh Kamboju > > More information on lcov can be found on the page behind the second URL > your quoted in your mail. > > > Regards, > Peter Oberparleiter > > -- > Peter Oberparleiter > Linux on System z Development - IBM Germany > From mboxrd@z Thu Jan 1 00:00:00 1970 From: naresh.kamboju@linaro.org (Naresh Kamboju) Date: Tue, 18 Feb 2014 20:00:21 +0530 Subject: [LTP] How to get the Linux kernel coverage data on ARM arch when I run LTP test? In-Reply-To: <52FDE52A.4070002@linux.vnet.ibm.com> References: <52FDE52A.4070002@linux.vnet.ibm.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 14 February 2014 15:13, Peter Oberparleiter wrote: > On 14.02.2014 10:02, Naresh Kamboju wrote: >> root at linaro-developer:/tmp/linux-linaro-3.13-2014.01# gcov kernel/gcov/base.c -o >> /sys/kernel/debug/gcov/tmp/linux-linaro-3.13-2014.01/kernel/gcov/ >> File 'kernel/gcov/base.c' >> Lines executed:43.18% of 44 >> Creating 'base.c.gcov' >> >> root at linaro-developer:/tmp/linux-linaro-3.13-2014.01# >> >> The above experiment gives coverage of a single file base.c when i run >> gcov manually. >> Is there any way to get Linux kernel coverage of all files after >> running LTP test cases ? > > 1. Reset coverage data: lcov -z > 2. Run LTP (or any other test case) > 3. Capture coverage data: lcov -c -o coverage.info > 4. Generate HTML output: genhtml coverage.info -o out > 5. View HTML output: out/index.html It is working !!! LTP executed on linux-linaro build on vexpress-tc2 target. Please find results obtained http://people.linaro.org/~naresh.kamboju/linux-linaro-coverage-by-ltp/ The plan is to run all linaro test suite and to get coverage date. Peter Oberparleiter, Thank you very much for your help. Best regards Naresh Kamboju > > More information on lcov can be found on the page behind the second URL > your quoted in your mail. > > > Regards, > Peter Oberparleiter > > -- > Peter Oberparleiter > Linux on System z Development - IBM Germany > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1WFlgr-0004za-3R for ltp-list@lists.sourceforge.net; Tue, 18 Feb 2014 14:30:29 +0000 Received: from mail-yh0-f54.google.com ([209.85.213.54]) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1WFlgp-0005vu-Pt for ltp-list@lists.sourceforge.net; Tue, 18 Feb 2014 14:30:29 +0000 Received: by mail-yh0-f54.google.com with SMTP id z6so15363278yhz.41 for ; Tue, 18 Feb 2014 06:30:22 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <52FDE52A.4070002@linux.vnet.ibm.com> References: <52FDE52A.4070002@linux.vnet.ibm.com> Date: Tue, 18 Feb 2014 20:00:21 +0530 Message-ID: From: Naresh Kamboju Subject: Re: [LTP] How to get the Linux kernel coverage data on ARM arch when I run LTP test? List-Id: Linux Test Project General Discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-list-bounces@lists.sourceforge.net To: Peter Oberparleiter , Milosz Wasilewski Cc: ltp-list , ltp-coverage , fhrbata@redhat.com, "linux-kernel@vger.kernel.org" , Deepak Saxena , Mark Brown , Arnd Bergmann , "linux-arm-kernel@lists.infradead.org" On 14 February 2014 15:13, Peter Oberparleiter wrote: > On 14.02.2014 10:02, Naresh Kamboju wrote: >> root@linaro-developer:/tmp/linux-linaro-3.13-2014.01# gcov kernel/gcov/base.c -o >> /sys/kernel/debug/gcov/tmp/linux-linaro-3.13-2014.01/kernel/gcov/ >> File 'kernel/gcov/base.c' >> Lines executed:43.18% of 44 >> Creating 'base.c.gcov' >> >> root@linaro-developer:/tmp/linux-linaro-3.13-2014.01# >> >> The above experiment gives coverage of a single file base.c when i run >> gcov manually. >> Is there any way to get Linux kernel coverage of all files after >> running LTP test cases ? > > 1. Reset coverage data: lcov -z > 2. Run LTP (or any other test case) > 3. Capture coverage data: lcov -c -o coverage.info > 4. Generate HTML output: genhtml coverage.info -o out > 5. View HTML output: out/index.html It is working !!! LTP executed on linux-linaro build on vexpress-tc2 target. Please find results obtained http://people.linaro.org/~naresh.kamboju/linux-linaro-coverage-by-ltp/ The plan is to run all linaro test suite and to get coverage date. Peter Oberparleiter, Thank you very much for your help. Best regards Naresh Kamboju > > More information on lcov can be found on the page behind the second URL > your quoted in your mail. > > > Regards, > Peter Oberparleiter > > -- > Peter Oberparleiter > Linux on System z Development - IBM Germany > ------------------------------------------------------------------------------ Managing the Performance of Cloud-Based Applications Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. 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