Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Sasha Levin <Alexander.Levin@microsoft.com>
To:     "stable@vger.kernel.org" <stable@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
CC:     Sandipan Das <sandipan@linux.ibm.com>,
        Jiri Olsa <jolsa@redhat.com>,
        Kim Phillips <kim.phillips@arm.com>,
        Maynard Johnson <maynard@us.ibm.com>,
        "Naveen N . Rao" <naveen.n.rao@linux.vnet.ibm.com>,
        Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>,
        Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>,
        Arnaldo Carvalho de Melo <acme@redhat.com>,
        Sasha Levin <Alexander.Levin@microsoft.com>
Subject: [PATCH AUTOSEL 4.18 39/88] perf tests: Fix
 record+probe_libc_inet_pton.sh for powerpc64
Thread-Topic: [PATCH AUTOSEL 4.18 39/88] perf tests: Fix
 record+probe_libc_inet_pton.sh for powerpc64
Thread-Index: AQHURkLMkuVHHNcv9UWsVXP4jYk36g==
Date:   Fri, 7 Sep 2018 00:36:21 +0000
Message-ID: <20180907003547.57567-39-alexander.levin@microsoft.com>
References: <20180907003547.57567-1-alexander.levin@microsoft.com>
In-Reply-To: <20180907003547.57567-1-alexander.levin@microsoft.com>
Accept-Language: en-US
Content-Language: en-US
received-spf: None (protection.outlook.com: microsoft.com does not designate
 permitted sender hosts)
spamdiagnosticoutput: 1:99
spamdiagnosticmetadata: NSPM
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-Network-Message-Id: 7fa6c14c-632c-4354-506d-08d61459ff6c
X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Sep 2018 00:36:21.4829
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47
X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR21MB0773
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

From: Sandipan Das <sandipan@linux.ibm.com>

[ Upstream commit 3eae52f842329a95f8549124079518231c0daba8 ]

For powerpc64, this test currently fails due to a mismatch in the
expected output.

This can be observed on a powerpc64le system running Fedora 27 as shown
below.

  # perf test -v "probe libc's inet_pton & backtrace it with ping"

Before:

  62: probe libc's inet_pton & backtrace it with ping       :
  --- start ---
  test child forked, pid 23948
  ping 23965 [003] 71136.075084: probe_libc:inet_pton: (7fff996aaf28)
  7fff996aaf28 __GI___inet_pton+0x8 (/usr/lib64/libc-2.26.so)
  7fff9965fa54 gaih_inet.constprop.7+0xf44 (/usr/lib64/libc-2.26.so)
  FAIL: expected backtrace entry 2 "getaddrinfo\+0x[[:xdigit:]]+[[:space:]]=
\(/usr/lib64/libc-2.26.so\)$" got "7fff9965fa54 gaih_inet.constprop.7+0xf44=
 (/usr/lib64/libc-2.26.so)"
  test child finished with -1
  ---- end ----
  probe libc's inet_pton & backtrace it with ping: FAILED!

After:

  62: probe libc's inet_pton & backtrace it with ping       :
  --- start ---
  test child forked, pid 24638
  ping 24655 [001] 71208.525396: probe_libc:inet_pton: (7fffa245af28)
  7fffa245af28 __GI___inet_pton+0x8 (/usr/lib64/libc-2.26.so)
  7fffa240fa54 gaih_inet.constprop.7+0xf44 (/usr/lib64/libc-2.26.so)
  7fffa24105b4 getaddrinfo+0x164 (/usr/lib64/libc-2.26.so)
  138d52d70 main+0x3e0 (/usr/bin/ping)
  test child finished with 0
  ---- end ----
  probe libc's inet_pton & backtrace it with ping: Ok

Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kim Phillips <kim.phillips@arm.com>
Cc: Maynard Johnson <maynard@us.ibm.com>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Fixes: e07d585e2454 ("perf tests: Switch trace+probe_libc_inet_pton to use =
record")
Link: http://lkml.kernel.org/r/49621ec5f37109f0655e5a8c32287ad68d85a1e5.153=
0724939.git.sandipan@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
 tools/perf/tests/shell/record+probe_libc_inet_pton.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh b/tools/=
perf/tests/shell/record+probe_libc_inet_pton.sh
index 94e513e62b34..1220e5e052bb 100755
--- a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh
+++ b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh
@@ -26,6 +26,12 @@ trace_libc_inet_pton_backtrace() {
 		echo "(__GI_)?getaddrinfo\+0x[[:xdigit:]]+[[:space:]]\($libc|inlined\)$"=
 >> $expected
 		echo "main\+0x[[:xdigit:]]+[[:space:]]\(.*/bin/ping.*\)$" >> $expected
 		;;
+	ppc64|ppc64le)
+		eventattr=3D'max-stack=3D4'
+		echo "gaih_inet.*\+0x[[:xdigit:]]+[[:space:]]\($libc\)$" >> $expected
+		echo "getaddrinfo\+0x[[:xdigit:]]+[[:space:]]\($libc\)$" >> $expected
+		echo ".*\+0x[[:xdigit:]]+[[:space:]]\(.*/bin/ping.*\)$" >> $expected
+		;;
 	*)
 		eventattr=3D'max-stack=3D3'
 		echo "getaddrinfo\+0x[[:xdigit:]]+[[:space:]]\($libc\)$" >> $expected
--=20
2.17.1