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Date: Tue, 28 Jul 2020 11:19:58 +0800 From: Frankie Chang <Frankie.Chang@...iatek.com> To: Todd Kjos <tkjos@...gle.com> CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Joel Fernandes <joel@...lfernandes.org>, Martijn Coenen <maco@...roid.com>, Arve Hjønnevåg <arve@...roid.com>, Christian Brauner <christian@...uner.io>, <linux-kernel@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>, <wsd_upstream@...iatek.com>, Jian-Min Liu <Jian-Min.Liu@...iatek.com>, Frankie Chang <Frankie.Chang@...iatek.com> Subject: [PATCH v6] binder: transaction latency tracking for user build 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.
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