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Fri, 29 Apr 2022 17:22:10 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5AA58A405B; Fri, 29 Apr 2022 17:35:19 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1BDDAA4054; Fri, 29 Apr 2022 17:35:14 +0000 (GMT) Received: from disgoel-ibm-com (unknown [9.43.111.62]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 29 Apr 2022 17:35:13 +0000 (GMT) Message-ID: <32e64f2af0ffe545fee07e641870e8deb67aaf08.camel@linux.vnet.ibm.com> Subject: Re: [PATCH 0/2] Fix session topology test for powerpc and add utility function to get cpuinfo entries From: Disha Goel To: Athira Rajeev , acme@kernel.org, jolsa@kernel.org Date: Fri, 29 Apr 2022 23:05:12 +0530 In-Reply-To: <20220428150829.30733-1-atrajeev@linux.vnet.ibm.com> References: <20220428150829.30733-1-atrajeev@linux.vnet.ibm.com> Content-Type: multipart/alternative; boundary="=-yT4bCEGVdsMB7jA0c9Kx" X-Mailer: Evolution 3.28.5 (3.28.5-18.el8) Mime-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: AMOYc6GcXaPmAgHUO0DmM2L-cMWw6xJr X-Proofpoint-GUID: ToOngbhzXd5bxVhKzUEsess8-s4E4KFS X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-04-29_08,2022-04-28_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 clxscore=1015 phishscore=0 priorityscore=1501 malwarescore=0 mlxscore=0 lowpriorityscore=0 bulkscore=0 mlxlogscore=999 impostorscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2204290088 X-Mailman-Approved-At: Sat, 30 Apr 2022 03:44:36 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: irogers@google.com, maddy@linux.vnet.ibm.com, rnsastry@linux.ibm.com, linux-perf-users@vger.kernel.org, kjain@linux.ibm.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" --=-yT4bCEGVdsMB7jA0c9Kx Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit -----Original Message----- From: Athira Rajeev To: acme@kernel.org, jolsa@kernel.org, disgoel@linux.vnet.ibm.com Cc: mpe@ellerman.id.au, linux-perf-users@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, maddy@linux.vnet.ibm.com, rnsastry@linux.ibm.com, kjain@linux.ibm.com, irogers@google.com Subject: [PATCH 0/2] Fix session topology test for powerpc and add utility function to get cpuinfo entries Date: Thu, 28 Apr 2022 20:38:27 +0530 The session topology test fails in powerpc pSeries platform.Test logs:<<>>Session topology : FAILED!<<>> This test uses cpu topology information and in powerpc,some of the topology info is restricted in environmentlike virtualized platform. Hence this test needs to beskipped in pSeries platform for powerpc. The informationabout platform is available in /proc/cpuinfo. Patch 1 adds generic utility function in "util/header.c"to read /proc/cpuinfo for any entry. Though the testcasefix needs value from "platform" entry, making this as ageneric function to return value for any entry from the/proc/cpuinfo file which can be used commonly in futureusecases. Patch 2 uses the newly added utility function to look forplatform and skip the test in pSeries platform for powerpc. Athira Rajeev (2): tools/perf: Add utility function to read /proc/cpuinfo for any field tools/perf/tests: Fix session topology test to skip the test in guest environment Tested the patches on powerpc and powernv, verified perf test session topology test with the patch set.Tested-by: Disha Goel < disgoel@linux.vnet.ibm.com> tools/perf/tests/topology.c | 17 ++++++++++++ tools/perf/util/header.c | 54 +++++++++++++++++++++++++++++++++++++ tools/perf/util/header.h | 1 + 3 files changed, 72 insertions(+) --=-yT4bCEGVdsMB7jA0c9Kx Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable


-----Original Message-----
From: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Subject<= /b>: [PATCH 0/2] Fix session topology test for powerpc and add utility func= tion to get cpuinfo entries
Date: Thu, 28 Apr 2022 20:38:2= 7 +0530

The session topology test fails in powerpc=
 pSeries platform.
Test logs:
<<>>
Session topology : FAILED!
<<>>

This test uses cpu topology information and in powerpc,
som=
e of the topology info is restricted in environment
like virtuali=
zed platform. Hence this test needs to be
skipped in pSeries plat=
form for powerpc. The information
about platform is available in =
/proc/cpuinfo.

Patch 1 adds generic utility functi=
on in "util/header.c"
to read /proc/cpuinfo for any entry. Though=
 the testcase
fix needs value from "platform" entry, making this =
as a
generic function to return value for any entry from the
/proc/cpuinfo file which can be used commonly in future
use=
cases.

Patch 2 uses the newly added utility functi=
on to look for
platform and skip the test in pSeries platform for=
 powerpc.

Athira Rajeev (2):
  tools/per=
f: Add utility function to read /proc/cpuinfo for any field
  too=
ls/perf/tests: Fix session topology test to skip the test in guest
    environment

Tested the patches on powerpc and powernv, verifi=
ed perf test session topology test with the patch set.
Tested-by: Disha Goel=
 <disgoel@l=
inux.vnet.ibm.com>

 tools/perf/tests/topolo=
gy.c | 17 ++++++++++++
 tools/perf/util/header.c    | 54 ++++++++=
+++++++++++++++++++++++++++++
 tools/perf/util/header.h    |  1 +=

 3 files changed, 72 insertions(+)



--=-yT4bCEGVdsMB7jA0c9Kx--