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Tue, 4 Aug 2020 21:59:13 +0800 From: Frankie Chang To: Todd Kjos CC: Greg Kroah-Hartman , Joel Fernandes , Martijn Coenen , =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= , Christian Brauner , , , , Jian-Min Liu , Frankie Chang Subject: [PATCH v7] binder: transaction latency tracking for user build Date: Tue, 4 Aug 2020 21:59:09 +0800 Message-ID: <1596549552-5466-1-git-send-email-Frankie.Chang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1596509145.5207.21.camel@mtkswgap22> References: <1596509145.5207.21.camel@mtkswgap22> MIME-Version: 1.0 Content-Type: text/plain X-TM-SNTS-SMTP: 3E93D052AFF41D3ADDCCD18A75EC749C115769084484D43C1F80304E3455ED712000:8 X-MTK: N Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DQpGcmFua2llLkNoYW5nICgzKToNCiAgYmluZGVyOiBtb3ZlIHN0cnVjdHMgZnJvbSBjb3JlIGZp bGUgdG8gaGVhZGVyIGZpbGUNCiAgYmluZGVyOiBhZGQgdHJhY2UgYXQgZnJlZSB0cmFuc2FjdGlv bi4NCiAgYmluZGVyOiBhZGQgdHJhbnNhY3Rpb24gbGF0ZW5jeSB0cmFjZXINCg0KIGRyaXZlcnMv YW5kcm9pZC9LY29uZmlnICAgICAgICAgICAgICAgICB8ICAgIDggKw0KIGRyaXZlcnMvYW5kcm9p ZC9NYWtlZmlsZSAgICAgICAgICAgICAgICB8ICAgIDEgKw0KIGRyaXZlcnMvYW5kcm9pZC9iaW5k ZXIuYyAgICAgICAgICAgICAgICB8ICA0MjUgKystLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LQ0KIGRyaXZlcnMvYW5kcm9pZC9iaW5kZXJfaW50ZXJuYWwuaCAgICAgICB8ICA0MTcgKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrDQogZHJpdmVycy9hbmRyb2lkL2JpbmRlcl9sYXRlbmN5 X3RyYWNlci5jIHwgIDExMiArKysrKysrKw0KIGRyaXZlcnMvYW5kcm9pZC9iaW5kZXJfdHJhY2Uu aCAgICAgICAgICB8ICAgNDkgKysrKw0KIDYgZmlsZXMgY2hhbmdlZCwgNjA3IGluc2VydGlvbnMo KyksIDQwNSBkZWxldGlvbnMoLSkgIGNyZWF0ZSBtb2RlIDEwMDY0NCBkcml2ZXJzL2FuZHJvaWQv YmluZGVyX2xhdGVuY3lfdHJhY2VyLmMNCg0KQ2hhbmdlIGZyb20gdjc6DQogIC0gVXNlIHRoZSBw YXNzZWQtaW4gdmFsdWVzIGluc3RlYWQgb2YgYWNjZXNzaW5nIHZpYSB0LT5mcm9tL3RvX3Byb2Mv dG9fdGhyZWFkDQogICAgZm9yIHRyYWNlX2JpbmRlcl90eG5fbGF0ZW5jeV9mcmVlLCB3aGVuIHRy YWNlX2JpbmRlcl90eG5fbGF0ZW5jeV9mcmVlX2VuYWJsZSgpIHJldHVybiB0cnVlLg0KICAtIG1h a2UgYSBoZWxwZXIgZnVuY3Rpb24gdG8gZG8gdGhlIGFib3ZlLg0KDQpDaGFuZ2UgZnJvbSB2NjoN CiAgLSBjaGFuZ2UgQ09ORklHX0JJTkRFUl9UUkFOU0FDVElPTl9MQVRFTkNZX1RSQUNLSU5HIHR5 cGUgZnJvbSBib29sIHRvIHRyaXN0YXRlDQogIC0gYWRkIGNvbW1lbnRzIHRvIEB0aW1lc3RhbXAg YW5kIEB0diB1bmRlciBzdHJ1Y3QgYmluZGVyX3RyYW5zYWN0aW9uDQogIC0gbWFrZSBiaW5kZXJf dHhuX2xhdGVuY3kgdGhyZXNob2xkIGNvbmZpZ3VyYWJsZQ0KICAtIGVuaGFuY2UgbG9jayBwcm90 ZWN0aW9uDQoNCkNoYW5nZSBmcm9tIHY1Og0KICAtIGNoYW5nZSBjb25maWcgbmFtZSB0byB0aGUg cHJvcGVyIG9uZSwgQ09ORklHX0JJTkRFUl9UUkFOU0FDVElPTl9MQVRFTkNZX1RSQUNLSU5HLg0K ICAtIGNoYW5nZSB0cmFjZXBvaW50IG5hbWUgdG8gbW9yZSBkZXNjcmlwdGl2ZSBvbmUsIHRyYWNl X2JpbmRlcl90eG5fbGF0ZW5jeV8oYWxsb2N8aW5mb3xmcmVlKQ0KICAtIGVuaGFuY2Ugc29tZSBs b2NrIHByb3RlY3Rpb24uDQoNCkNoYW5nZSBmcm9tIHY0Og0KICAtIHNwbGl0IHVwIGludG8gcGF0 Y2ggc2VyaWVzLg0KDQpDaGFuZ2UgZnJvbSB2MzoNCiAgLSB1c2UgdHJhY2Vwb2ludHMgZm9yIGJp bmRlcl91cGRhdGVfaW5mbyBhbmQgcHJpbnRfYmluZGVyX3RyYW5zYWN0aW9uX2V4dCwNCiAgICBp bnN0ZWFkIG9mIGN1c3RvbSByZWdpc3RyYXRpb24gZnVuY3Rpb25zLg0KDQpDaGFuZ2UgZnJvbSB2 MjoNCiAgLSBjcmVhdGUgdHJhbnNhY3Rpb24gbGF0ZW5jeSBtb2R1bGUgdG8gbW9uaXRvciBzbG93 IHRyYW5zYWN0aW9uLg0KDQpDaGFuZ2UgZnJvbSB2MToNCiAgLSBmaXJzdCBwYXRjaHNldC4NCg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2057CC433E0 for ; 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Tue, 4 Aug 2020 21:59:12 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 4 Aug 2020 21:59:13 +0800 From: Frankie Chang To: Todd Kjos Subject: [PATCH v7] binder: transaction latency tracking for user build Date: Tue, 4 Aug 2020 21:59:09 +0800 Message-ID: <1596549552-5466-1-git-send-email-Frankie.Chang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1596509145.5207.21.camel@mtkswgap22> References: <1596509145.5207.21.camel@mtkswgap22> MIME-Version: 1.0 X-TM-SNTS-SMTP: 3E93D052AFF41D3ADDCCD18A75EC749C115769084484D43C1F80304E3455ED712000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200804_100941_707684_5920FD89 X-CRM114-Status: GOOD ( 11.08 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: wsd_upstream@mediatek.com, Greg Kroah-Hartman , linux-kernel@vger.kernel.org, =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= , Jian-Min Liu , linux-mediatek@lists.infradead.org, Joel Fernandes , Frankie Chang , Martijn Coenen , Christian Brauner Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Frankie.Chang (3): binder: move structs from core file to header file binder: add trace at free transaction. binder: add transaction latency tracer drivers/android/Kconfig | 8 + drivers/android/Makefile | 1 + drivers/android/binder.c | 425 ++----------------------------- drivers/android/binder_internal.h | 417 ++++++++++++++++++++++++++++++ drivers/android/binder_latency_tracer.c | 112 ++++++++ drivers/android/binder_trace.h | 49 ++++ 6 files changed, 607 insertions(+), 405 deletions(-) create mode 100644 drivers/android/binder_latency_tracer.c Change from v7: - Use the passed-in values instead of accessing via t->from/to_proc/to_thread for trace_binder_txn_latency_free, when trace_binder_txn_latency_free_enable() return true. - make a helper function to do the above. Change from v6: - change CONFIG_BINDER_TRANSACTION_LATENCY_TRACKING type from bool to tristate - add comments to @timestamp and @tv under struct binder_transaction - make binder_txn_latency threshold configurable - enhance lock protection Change from v5: - change config name to the proper one, CONFIG_BINDER_TRANSACTION_LATENCY_TRACKING. - change tracepoint name to more descriptive one, trace_binder_txn_latency_(alloc|info|free) - enhance some lock protection. Change from v4: - split up into patch series. Change from v3: - use tracepoints for binder_update_info and print_binder_transaction_ext, instead of custom registration functions. Change from v2: - create transaction latency module to monitor slow transaction. Change from v1: - first patchset. _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek