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=-11.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,MIME_BASE64_TEXT,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham 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 8DE0EC433DF for ; Tue, 4 Aug 2020 14:03:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C1802086A for ; Tue, 4 Aug 2020 14:03:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="Aav6LRy7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728862AbgHDODT (ORCPT ); Tue, 4 Aug 2020 10:03:19 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:5461 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1728551AbgHDN7l (ORCPT ); Tue, 4 Aug 2020 09:59:41 -0400 X-UUID: 920b0611a00f4c83aa1b49d1c72119ef-20200804 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=YvqHDXjwhh3CKwDJmfh6+1BizKx62Mp4F6DG3h3i0eI=; b=Aav6LRy7vOu0aukcx6DD649JsEQ5hHljxn6/Bj0ZR1rOJSbU4r+3o7CGYzeLUPULr62By/XszHYqvlsnTXVLcSvYTe1QgAOGnQnxQb9x/BAussig+L17PeeH11FcqMbp9MD/e5UxYjzybs7CLQ6818v7XxnAXzdkxYDD43JCRBE=; X-UUID: 920b0611a00f4c83aa1b49d1c72119ef-20200804 Received: from mtkcas07.mediatek.inc [(172.21.101.84)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 2118753218; Tue, 04 Aug 2020 21:59:16 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 4 Aug 2020 21:59:13 +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 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 2/3] binder: add trace at free transaction. Date: Tue, 4 Aug 2020 21:59:11 +0800 Message-ID: <1596549552-5466-3-git-send-email-Frankie.Chang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1596549552-5466-1-git-send-email-Frankie.Chang@mediatek.com> References: <1596509145.5207.21.camel@mtkswgap22> <1596549552-5466-1-git-send-email-Frankie.Chang@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain 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 RnJvbTogIkZyYW5raWUuQ2hhbmciIDxGcmFua2llLkNoYW5nQG1lZGlhdGVrLmNvbT4NCg0KU2lu Y2UgdGhlIG9yaWdpbmFsIHRyYWNlX2JpbmRlcl90cmFuc2FjdGlvbl9yZWNlaXZlZCBjYW5ub3QN CnByZWNpc2VseSBwcmVzZW50IHRoZSByZWFsIGZpbmlzaGVkIHRpbWUgb2YgdHJhbnNhY3Rpb24s IGFkZGluZyBhDQp0cmFjZV9iaW5kZXJfdHhuX2xhdGVuY3lfZnJlZSBhdCB0aGUgcG9pbnQgb2Yg ZnJlZSB0cmFuc2FjdGlvbg0KbWF5IGJlIG1vcmUgY2xvc2UgdG8gaXQuDQoNClNpZ25lZC1vZmYt Ynk6IEZyYW5raWUuQ2hhbmcgPEZyYW5raWUuQ2hhbmdAbWVkaWF0ZWsuY29tPg0KLS0tDQogZHJp 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(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 2/3] binder: add trace at free transaction. Date: Tue, 4 Aug 2020 21:59:11 +0800 Message-ID: <1596549552-5466-3-git-send-email-Frankie.Chang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1596549552-5466-1-git-send-email-Frankie.Chang@mediatek.com> References: <1596509145.5207.21.camel@mtkswgap22> <1596549552-5466-1-git-send-email-Frankie.Chang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200804_100941_699983_E12409B3 X-CRM114-Status: GOOD ( 12.69 ) 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 From: "Frankie.Chang" Since the original trace_binder_transaction_received cannot precisely present the real finished time of transaction, adding a trace_binder_txn_latency_free at the point of free transaction may be more close to it. Signed-off-by: Frankie.Chang --- drivers/android/binder.c | 18 ++++++++++++++++++ drivers/android/binder_trace.h | 29 +++++++++++++++++++++++++++++ 2 files changed, 47 insertions(+) diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 2df146f..1bfadc2 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -1508,6 +1508,20 @@ static void binder_free_txn_fixups(struct binder_transaction *t) } } +static void binder_txn_latency_free(struct binder_transaction *t) +{ + int from_proc, from_thread, to_proc, to_thread; + + spin_lock(&t->lock); + from_proc = t->from ? t->from->proc->pid : 0; + from_thread = t->from ? t->from->pid : 0; + to_proc = t->to_proc ? t->to_proc->pid : 0; + to_thread = t->to_thread ? t->to_thread->pid : 0; + spin_unlock(&t->lock); + + trace_binder_txn_latency_free(t, from_proc, from_thread, to_proc, to_thread); +} + static void binder_free_transaction(struct binder_transaction *t) { struct binder_proc *target_proc = t->to_proc; @@ -1518,6 +1532,8 @@ static void binder_free_transaction(struct binder_transaction *t) t->buffer->transaction = NULL; binder_inner_proc_unlock(target_proc); } + if (trace_binder_txn_latency_free_enabled()) + binder_txn_latency_free(t); /* * If the transaction has no target_proc, then * t->buffer->transaction has already been cleared. @@ -3093,6 +3109,8 @@ static void binder_transaction(struct binder_proc *proc, kfree(tcomplete); binder_stats_deleted(BINDER_STAT_TRANSACTION_COMPLETE); err_alloc_tcomplete_failed: + if (trace_binder_txn_latency_free_enabled()) + binder_txn_latency_free(t); kfree(t); binder_stats_deleted(BINDER_STAT_TRANSACTION); err_alloc_t_failed: diff --git a/drivers/android/binder_trace.h b/drivers/android/binder_trace.h index 6731c3c..eb2c53c 100644 --- a/drivers/android/binder_trace.h +++ b/drivers/android/binder_trace.h @@ -95,6 +95,35 @@ __entry->thread_todo) ); +TRACE_EVENT(binder_txn_latency_free, + TP_PROTO(struct binder_transaction *t + int from_proc, int from_thread + int to_proc, int to_thread), + TP_ARGS(t, from_proc, from_thread, to_proc, to_thread), + TP_STRUCT__entry( + __field(int, debug_id) + __field(int, from_proc) + __field(int, from_thread) + __field(int, to_proc) + __field(int, to_thread) + __field(unsigned int, code) + __field(unsigned int, flags) + ), + TP_fast_assign( + __entry->debug_id = t->debug_id; + __entry->from_proc = from_proc; + __entry->from_thread = from_thread; + __entry->to_proc = to_proc; + __entry->to_thread = to_thread; + __entry->code = t->code; + __entry->flags = t->flags; + ), + TP_printk("transaction=%d from %d:%d to %d:%d flags=0x%x code=0x%x", + __entry->debug_id, __entry->from_proc, __entry->from_thread, + __entry->to_proc, __entry->to_thread, __entry->code, + __entry->flags) +); + TRACE_EVENT(binder_transaction, TP_PROTO(bool reply, struct binder_transaction *t, struct binder_node *target_node), -- 1.7.9.5 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek