{"id":10308,"url":"https://patchwork.libcamera.org/api/1.1/patches/10308/?format=json","web_url":"https://patchwork.libcamera.org/patch/10308/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20201030085756.79329-4-paul.elder@ideasonboard.com>","date":"2020-10-30T08:57:54","name":"[libcamera-devel,v4,3/5] tracepoints: Add pipeline tracepoints for tracing IPA calls","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"d188c746c20ec13a4cd57559f6b9cfc73142a486","submitter":{"id":17,"url":"https://patchwork.libcamera.org/api/1.1/people/17/?format=json","name":"Paul Elder","email":"paul.elder@ideasonboard.com"},"delegate":{"id":17,"url":"https://patchwork.libcamera.org/api/1.1/users/17/?format=json","username":"epaul","first_name":"Paul","last_name":"Elder","email":"paul.elder@ideasonboard.com"},"mbox":"https://patchwork.libcamera.org/patch/10308/mbox/","series":[{"id":1435,"url":"https://patchwork.libcamera.org/api/1.1/series/1435/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=1435","date":"2020-10-30T08:57:51","name":"Tracing","version":4,"mbox":"https://patchwork.libcamera.org/series/1435/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/10308/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/10308/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 4E640BDB1E\n\tfor ;\n\tFri, 30 Oct 2020 08:58:13 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 0116D62995;\n\tFri, 30 Oct 2020 09:58:12 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 0543F62034\n\tfor ;\n\tFri, 30 Oct 2020 09:58:11 +0100 (CET)","from pyrite.rasen.tech (unknown\n\t[IPv6:2400:4051:61:600:2c71:1b79:d06d:5032])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 3E1F99B7;\n\tFri, 30 Oct 2020 09:58:08 +0100 (CET)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"aDmuHJPf\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1604048290;\n\tbh=vpp8Kl6o++fsPCHmkBXiH5ssIzgHm6Jg2FTrQyAcqro=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=aDmuHJPfXWu7b2eDJIVB42LvfL7QnwCiYNPm8Lvg0/ZHcszM2N5iYweeL4Fjyr0S6\n\tIsxK5r3+2IQW5jjfx6lP+sItbww2mmtobzeHqovtrIwiFmCKfv2BodV8cFE45/iNQW\n\tl6dyKESQopqRkYQwXjz0L5hn56XbqGUTsN+7FmT8=","From":"Paul Elder ","To":"libcamera-devel@lists.libcamera.org","Date":"Fri, 30 Oct 2020 17:57:54 +0900","Message-Id":"<20201030085756.79329-4-paul.elder@ideasonboard.com>","X-Mailer":"git-send-email 2.27.0","In-Reply-To":"<20201030085756.79329-1-paul.elder@ideasonboard.com>","References":"<20201030085756.79329-1-paul.elder@ideasonboard.com>","MIME-Version":"1.0","Subject":"[libcamera-devel] [PATCH v4 3/5] tracepoints: Add pipeline\n\ttracepoints for tracing IPA calls","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Add a pair of tracepoints to a general pipeline tracepoints file,\nlibcamera:ipa_call_start and libcamera:ipa_call_finish, to trace IPA\ncalls. This allows us to obtain the time taken for the IPA call.\n\nSigned-off-by: Paul Elder \nReviewed-by: Laurent Pinchart \n\n---\nNo change in v4\n\nChanges in v3:\n- rename the ipa tracepoints to ipa_call_begin and ipa_call_end\n- make string args const, so that strings can be passed directly\n\nNew in v2\n---\n .../internal/tracepoints/meson.build | 1 +\n .../internal/tracepoints/pipeline.tp | 25 +++++++++++++++++++\n 2 files changed, 26 insertions(+)\n create mode 100644 include/libcamera/internal/tracepoints/pipeline.tp","diff":"diff --git a/include/libcamera/internal/tracepoints/meson.build b/include/libcamera/internal/tracepoints/meson.build\nindex fee0758f..e2a5470a 100644\n--- a/include/libcamera/internal/tracepoints/meson.build\n+++ b/include/libcamera/internal/tracepoints/meson.build\n@@ -5,5 +5,6 @@ tracepoint_files = files([\n 'buffer_enums.tp',\n 'request_enums.tp',\n \n+ 'pipeline.tp',\n 'request.tp',\n ])\ndiff --git a/include/libcamera/internal/tracepoints/pipeline.tp b/include/libcamera/internal/tracepoints/pipeline.tp\nnew file mode 100644\nindex 00000000..c0a94635\n--- /dev/null\n+++ b/include/libcamera/internal/tracepoints/pipeline.tp\n@@ -0,0 +1,25 @@\n+TRACEPOINT_EVENT(\n+\tlibcamera,\n+\tipa_call_begin,\n+\tTP_ARGS(\n+\t\tconst char *, pipe,\n+\t\tconst char *, func\n+\t),\n+\tTP_FIELDS(\n+\t\tctf_string(pipeline_name, pipe)\n+\t\tctf_string(function_name, func)\n+\t)\n+)\n+\n+TRACEPOINT_EVENT(\n+\tlibcamera,\n+\tipa_call_end,\n+\tTP_ARGS(\n+\t\tconst char *, pipe,\n+\t\tconst char *, func\n+\t),\n+\tTP_FIELDS(\n+\t\tctf_string(pipeline_name, pipe)\n+\t\tctf_string(function_name, func)\n+\t)\n+)\n","prefixes":["libcamera-devel","v4","3/5"]}