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Sun, 8 Apr 2018 20:22:07 -0400 From: Sasha Levin To: "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Masami Hiramatsu , Shuah Khan , Sasha Levin Subject: [PATCH AUTOSEL for 4.14 016/161] selftest: ftrace: Fix to pick text symbols for kprobes Thread-Topic: [PATCH AUTOSEL for 4.14 016/161] selftest: ftrace: Fix to pick text symbols for kprobes Thread-Index: AQHTz5h7Sz8myaZ1+UeLa7qb/SN4jw== Date: Mon, 9 Apr 2018 00:19:54 +0000 Message-ID: <20180409001936.162706-16-alexander.levin@microsoft.com> References: <20180409001936.162706-1-alexander.levin@microsoft.com> In-Reply-To: <20180409001936.162706-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DM5PR2101MB1125;7:fODtCZZLy944M+OcDLO+Rl7SuVK5e8ZuFFHM2U+TTYS7Gyk+DdtlX5H6xNf3IQrUV3Nq8XWZWwWIcF7HrgWQn9/juqPAG7u/jwG0ftvZ/pmVDQjsJX/3v7UlPIvJSgr9by3+CdoyK1Ak32VbmSUjsonKuzVPdjL0A8vmctfoBe/xG0eA/SstEdCVtd0+cr6YXprkHZVwaJ3AVVSCgmvTBN/Butv2W1j2L337p7xV+CLHxniinj6nbcBI6t+c9Bjo;20:pc5yQsthZyEzv4EfW9ZrbCHZEuWGOKj6IFntvF1SGFIRZkp5OZap9uXVC0RJyTM3wNRsWcB8CNa1QxTdva9vHpQscgSpQarIEvsnGb2UGR9ILBNTwACPYMiG6UzxJm8uDYD4+7Mn+v5dlX0Tp47CLvUJHiDuSuapE2HIDKoIxVk= X-MS-Office365-Filtering-Correlation-Id: 663a641b-82a1-4c1f-7b40-08d59dafec21 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(4534165)(4627221)(201703031133081)(201702281549075)(5600026)(4604075)(3008032)(48565401081)(2017052603328)(7193020);SRVR:DM5PR2101MB1125; 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x-microsoft-antispam-message-info: T5bp1p41t1vd7rjA5OWQqT52bwAugWQk9eftKAJId6X0+1C5OVHrmV6dDs4JIzsjl/hUXA6UX9XVbQjxotKI6IqhzxfV7wlUkCIBFbJhpvUtJP0LzQfNu1rY6Uzy3YW9lf5GXecIy/vzj/1Kr0Mluai3DJuT/QFeVdagLAuicNRMW4w5/8GYN8CtPE7pp80WodPNx2wl9pSVQSTyr/SOl4X6d1KowfdDyZBxcW9nXTlNL4ZRzB2Eo5xkEPi2GA7hDvtLMIvr9qN5KPCW5Zpi2N+zqpSCuhlxZ4nH/ASJDT3++E9SS5fSqfAtz4VokeX9QNvGC+NAEpfO/VS6pvcOpHJc5KF2h81e3wj5XparrSgw58QSsBY5KN6dShXuO73713Ln4CFZ42VdZkeIVjklH+Qjq+Ixv1RRtjR09lPVkNk= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 663a641b-82a1-4c1f-7b40-08d59dafec21 X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Apr 2018 00:19:54.6606 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1125 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Masami Hiramatsu [ Upstream commit 5e46664703b364434a2cbda3e6988fc24ae0ced5 ] Fix to pick text symbols for multiple kprobe testcase. kallsyms shows text symbols with " t " or " T " but current testcase picks all symbols including "t", so it picks data symbols if it includes 't' (e.g. "str"). This fixes it to find symbol lines with " t " or " T " (including spaces). Signed-off-by: Masami Hiramatsu Reported-by: Russell King Acked-by: Steven Rostedt (VMware) Signed-off-by: Shuah Khan Signed-off-by: Sasha Levin --- tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.= tc b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc index bb16cf91f1b5..e297bd7a2e79 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc @@ -12,8 +12,8 @@ case `uname -m` in *) OFFS=3D0;; esac =20 -echo "Setup up to 256 kprobes" -grep t /proc/kallsyms | cut -f3 -d" " | grep -v .*\\..* | \ +echo "Setup up kprobes on first 256 text symbols" +grep -i " t " /proc/kallsyms | cut -f3 -d" " | grep -v .*\\..* | \ head -n 256 | while read i; do echo p ${i}+${OFFS} ; done > kprobe_events = ||: =20 echo 1 > events/kprobes/enable --=20 2.15.1