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Tue, 04 Aug 2020 06:09:32 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 4 Aug 2020 06:59:15 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1497.2; 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