From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3230508-1521476066-2-1630075097418192234 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES unknown, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='com', MailFrom='org', XOriginatingCountry='US' X-Spam-charsets: plain='iso-8859-1' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1521476065; b=em61xy1LqIqJb5M/uCRIHmU8GVuk+QBP7fz4f1fhXBIOcLS s7laIYfkcNk9k3WkuaTAl6yWqvm8u5v66eTEKv+PoOkceojWttZ5T34T3uKU+7w3 8VCtabmWatxHNdXeIB/5m4CP0rtX0FCrO+Ete5dXHjFkUDO/KzMgLiDxkbCUXpdi eZuFi8r0UzKwkdETrnsMd1u+mZ9A/plpdYPLECy0jfLFZZoSWNLDN0WfO4EO7P12 joPwH0PC9417IqqEOZXgONlqKhhA6Yi20wN2ydyYefBbKRflsFaE+CWF6HvYqQlu V/SHgtyHtCMzDeaS9JXwepr/q2uj3DVBTDBasSw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :references:in-reply-to:content-type:content-transfer-encoding :mime-version:sender:list-id; s=arctest; t=1521476065; bh=aRPZ1e Cs7aOc2mx56ikA3v9wFjJQu2V9GSvYkqHu96w=; b=icKiiFy3NuC98oGNQToF1T HnUkEpXZjXDxfP5ZxZwA8Rf903sMK4+4uLmmkgrNlbC47A90DTw4DabeCGfSwHJ1 kHk+1ljyukWHhCv6OmO22rKreFp5w/Uxofov9p4o/gGcybCfXMFTVfQzqGvqyfU8 9BJNjNAA60bUu/Uxupee/2oUZ1PlrQ+5wIzs72lNhQkCHM3rcmEH786jbHDdf02A CLwGbNSsTBGfambLAUSTN9zsswLrsruXQo5Vg1ivq/LC1VsU45wIQ/BXT75iYFv5 X2Y8GNDRLvXeiwnTAtR4MKAvVw2OJVuWJjl9fnBVCVJQJKSBL7kbohFsAl5QMM1w == ARC-Authentication-Results: i=1; mx4.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=microsoft.com header.i=@microsoft.com header.b=nnFeczAJ x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=selector1; dmarc=pass (p=reject,has-list-id=yes,d=none) header.from=microsoft.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-category=clean score=-100 state=0 spamcause=gggruggvucftvghtrhhoucdtuddrgedtgedrudefgdekheculddtuddrgedtfedrtddtmdcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfhrghsthforghilhenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephffvufhtfffkfhgjihgtgfggshhpjeesthhqredttddtudenucfhrhhomhepufgrshhhrgcunfgvvhhinhcuoeetlhgvgigrnhguvghrrdfnvghvihhnsehmihgtrhhoshhofhhtrdgtohhmqeenucffohhmrghinhepkhgvrhhnvghlrdhorhhgnecukfhppedvtdelrddufedvrddukedtrdeijedphedvrdduieekrdehgedrvdehvddpfhgvkedtmeemfegulegsmeejlegvjeemleegvggsmeehugeivdenucfrrghrrghmpehinhgvthepvddtledrudefvddrudektddrieejpdhhvghlohepvhhgvghrrdhkvghrnhgvlhdrohhrghdpmhgrihhlfhhrohhmpeeoshhtrggslhgvqdhofihnvghrsehvghgvrhdrkhgvrhhnvghlrdhorhhgqecuuefqffgjpeekuefkvffokffogfcuuffkkgfgpeekheeikeenucevlhhushhtvghrufhiiigvpedt; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=microsoft.com header.result=pass header_is_org_domain=yes Authentication-Results: mx4.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=microsoft.com header.i=@microsoft.com header.b=nnFeczAJ x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=selector1; dmarc=pass (p=reject,has-list-id=yes,d=none) header.from=microsoft.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-category=clean score=-100 state=0 spamcause=gggruggvucftvghtrhhoucdtuddrgedtgedrudefgdekheculddtuddrgedtfedrtddtmdcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfhrghsthforghilhenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephffvufhtfffkfhgjihgtgfggshhpjeesthhqredttddtudenucfhrhhomhepufgrshhhrgcunfgvvhhinhcuoeetlhgvgigrnhguvghrrdfnvghvihhnsehmihgtrhhoshhofhhtrdgtohhmqeenucffohhmrghinhepkhgvrhhnvghlrdhorhhgnecukfhppedvtdelrddufedvrddukedtrdeijedphedvrdduieekrdehgedrvdehvddpfhgvkedtmeemfegulegsmeejlegvjeemleegvggsmeehugeivdenucfrrghrrghmpehinhgvthepvddtledrudefvddrudektddrieejpdhhvghlohepvhhgvghrrdhkvghrnhgvlhdrohhrghdpmhgrihhlfhhrohhmpeeoshhtrggslhgvqdhofihnvghrsehvghgvrhdrkhgvrhhnvghlrdhorhhgqecuuefqffgjpeekuefkvffokffogfcuuffkkgfgpeekheeikeenucevlhhushhtvghrufhiiigvpedt; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=microsoft.com header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966954AbeCSQOV (ORCPT ); Mon, 19 Mar 2018 12:14:21 -0400 Received: from mail-cys01nam02on0119.outbound.protection.outlook.com ([104.47.37.119]:50448 "EHLO NAM02-CY1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S966933AbeCSQOQ (ORCPT ); Mon, 19 Mar 2018 12:14:16 -0400 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Namhyung Kim , David Ahern , Peter Zijlstra , Wang Nan , "kernel-team@lge.com" , Arnaldo Carvalho de Melo , Sasha Levin Subject: [PATCH AUTOSEL for 3.18 082/102] perf tests: Decompress kernel module before objdump Thread-Topic: [PATCH AUTOSEL for 3.18 082/102] perf tests: Decompress kernel module before objdump Thread-Index: AQHTv50tyrw7NcY/9keNCzbI1RTsZg== Date: Mon, 19 Mar 2018 16:13:12 +0000 Message-ID: <20180319161117.17833-82-alexander.levin@microsoft.com> References: <20180319161117.17833-1-alexander.levin@microsoft.com> In-Reply-To: <20180319161117.17833-1-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;DM5PR2101MB1063;7:39A9f3ewWAO+9uC3VdgmqggYigO5y+3HUgqp3wEf6hIqx2XQ1Vmjl0HYf0lyPwLfpBGOM0i7ExGOXoLgXg3vQKFkZdyDuT3OaYJ5JF+i1ueSMVUXpmsx+kXNQE3D4AzFXN5rXWpqHKnuBEA3DHSsVNYi6R0cDtyWA8nfQiWX2i1SorcIfsbpPqSIRBXjrx9qTMu5kANTyIw6e8H6ObReq6ygKZcULRbuZwi5GVSK6TfTNMeMCZ3WO98OLSmaidRl;20:mtKQPxJ12s+eKujra0LdJ/Be/6LetWi7g9YM7urRhCyZUpDwXOsMHQtjLad0Ktje5MxWFQGjEqzbuewmCUjjFyQr8EutpdJkM/LcGN5/kFF3dRYhk4efQyuK0RrxZnRAXZ6xOXat2R8bRfLIlx9XyBe1g3LhFmzqQjQwuRacoJI= x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 90c3f7a5-d51b-4a8d-4e66-08d58db4711f x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603328)(7193020);SRVR:DM5PR2101MB1063; x-ms-traffictypediagnostic: DM5PR2101MB1063: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(28532068793085)(89211679590171)(50582790962513)(85827821059158)(42068640409301)(228905959029699); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(61425038)(6040522)(2401047)(5005006)(8121501046)(3231221)(944501300)(52105095)(3002001)(93006095)(93001095)(10201501046)(6055026)(61426038)(61427038)(6041310)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123560045)(20161123562045)(20161123564045)(20161123558120)(6072148)(201708071742011);SRVR:DM5PR2101MB1063;BCL:0;PCL:0;RULEID:;SRVR:DM5PR2101MB1063; x-forefront-prvs: 06167FAD59 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(346002)(396003)(39860400002)(376002)(39380400002)(366004)(199004)(189003)(3846002)(6306002)(6116002)(8936002)(1076002)(8676002)(3280700002)(2501003)(575784001)(5250100002)(81156014)(53936002)(81166006)(2906002)(5660300001)(86362001)(2900100001)(105586002)(22452003)(102836004)(6512007)(316002)(59450400001)(6506007)(66066001)(106356001)(14454004)(97736004)(99286004)(36756003)(2950100002)(107886003)(76176011)(6666003)(10090500001)(7736002)(305945005)(10290500003)(72206003)(68736007)(478600001)(110136005)(966005)(3660700001)(25786009)(86612001)(26005)(6436002)(39060400002)(6486002)(186003)(4326008)(54906003)(22906009)(217873001);DIR:OUT;SFP:1102;SCL:1;SRVR:DM5PR2101MB1063;H:DM5PR2101MB1032.namprd21.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; x-microsoft-antispam-message-info: N7iUNOnGHaoxVhljhddBTWOOIOuimSuzGvaPPF5Ez4wWdOgoECpD+lAo+3AwP0XrH4pMAtEAbie0Kd+GTOg3gmCWmLzeNAXQc8hxennmqQPIysBZhvyp3hYYQr0Q9KOy716tPPbjC/HSVPtXWuWeZVQSbyulbhP10MYDZYUOqvpSFDswJfXcscD6LSclAQH4/l4Pz23evkBucJo3PwfANqaBclblf1jc1JfFKKa6TRJCGHUyqQSnumu8NcNY5Ti/RUmoHLqNGpzkQO3YByLL6l7fTrI6D2Pwc+/pkBh3zj+e9aZ3g5U5VVVZikfCeOmU+EF2yVNqCWV5PH3T1wEl/w== 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: 90c3f7a5-d51b-4a8d-4e66-08d58db4711f X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Mar 2018 16:13:12.0539 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1063 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: Namhyung Kim [ Upstream commit 94df1040b1e6aacd8dec0ba3c61d7e77cd695f26 ] If a kernel modules is compressed, it should be decompressed before running objdump to parse binary data correctly. This fixes a failure of object code reading test for me. Signed-off-by: Namhyung Kim Acked-by: Adrian Hunter Acked-by: Jiri Olsa Cc: David Ahern Cc: Peter Zijlstra Cc: Wang Nan Cc: kernel-team@lge.com Link: http://lkml.kernel.org/r/20170608073109.30699-8-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/tests/code-reading.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-readin= g.c index 67f2d6323558..28dfd1f7f776 100644 --- a/tools/perf/tests/code-reading.c +++ b/tools/perf/tests/code-reading.c @@ -141,6 +141,8 @@ static int read_object_code(u64 addr, size_t len, u8 cp= umode, unsigned char buf2[BUFSZ]; size_t ret_len; u64 objdump_addr; + const char *objdump_name; + char decomp_name[KMOD_DECOMP_LEN]; int ret; =20 pr_debug("Reading object code for memory address: %#"PRIx64"\n", addr); @@ -202,9 +204,25 @@ static int read_object_code(u64 addr, size_t len, u8 c= pumode, state->done[state->done_cnt++] =3D al.map->start; } =20 + objdump_name =3D al.map->dso->long_name; + if (dso__needs_decompress(al.map->dso)) { + if (dso__decompress_kmodule_path(al.map->dso, objdump_name, + decomp_name, + sizeof(decomp_name)) < 0) { + pr_debug("decompression failed\n"); + return -1; + } + + objdump_name =3D decomp_name; + } + /* Read the object code using objdump */ objdump_addr =3D map__rip_2objdump(al.map, al.addr); - ret =3D read_via_objdump(al.map->dso->long_name, objdump_addr, buf2, len)= ; + ret =3D read_via_objdump(objdump_name, objdump_addr, buf2, len); + + if (dso__needs_decompress(al.map->dso)) + unlink(objdump_name); + if (ret > 0) { /* * The kernel maps are inaccurate - assume objdump is right in --=20 2.14.1