Patch Detail
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GET /api/1.1/patches/10299/?format=api
{ "id": 10299, "url": "https://patchwork.libcamera.org/api/1.1/patches/10299/?format=api", "web_url": "https://patchwork.libcamera.org/patch/10299/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/1.1/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20201029101629.61798-4-paul.elder@ideasonboard.com>", "date": "2020-10-29T10:16:26", "name": "[libcamera-devel,v3,3/6] tracepoints: Add pipeline tracepoints for tracing IPA calls", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "10a63fca5acea5a4a7d87bb75ee9f2f47760b386", "submitter": { "id": 17, "url": "https://patchwork.libcamera.org/api/1.1/people/17/?format=api", "name": "Paul Elder", "email": "paul.elder@ideasonboard.com" }, "delegate": { "id": 17, "url": "https://patchwork.libcamera.org/api/1.1/users/17/?format=api", "username": "epaul", "first_name": "Paul", "last_name": "Elder", "email": "paul.elder@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/patch/10299/mbox/", "series": [ { "id": 1432, "url": "https://patchwork.libcamera.org/api/1.1/series/1432/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1432", "date": "2020-10-29T10:16:23", "name": "Tracing", "version": 3, "mbox": "https://patchwork.libcamera.org/series/1432/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/10299/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/10299/checks/", "tags": {}, "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "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 A5F16BDB9B\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 29 Oct 2020 10:16:47 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 74FA3628A5;\n\tThu, 29 Oct 2020 11:16:47 +0100 (CET)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 26B39628D2\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 29 Oct 2020 11:16:46 +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 692AF50E;\n\tThu, 29 Oct 2020 11:16:44 +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=\"G6A0HhP4\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1603966605;\n\tbh=rf6yf+MG3GNKVkI4ie9nH1MXpfgFJfPyAFzcWq5NiQs=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=G6A0HhP4gfJ5KtUvL+aImxJs3E8edZFJ9fqZACOm/jyEpqb5Mvtd9zyobaVi0g/dx\n\tGttKKJLiq6uIuRAuEz+gHUmE8as86bzHbJBy2SeLN8f1ahVq/wv4gcriuYbn1BZtoT\n\t0p+jB7RxPI9VoGVh8KUUCWU2PlJ4FovtL7B0PhyU=", "From": "Paul Elder <paul.elder@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Thu, 29 Oct 2020 19:16:26 +0900", "Message-Id": "<20201029101629.61798-4-paul.elder@ideasonboard.com>", "X-Mailer": "git-send-email 2.27.0", "In-Reply-To": "<20201029101629.61798-1-paul.elder@ideasonboard.com>", "References": "<20201029101629.61798-1-paul.elder@ideasonboard.com>", "MIME-Version": "1.0", "Subject": "[libcamera-devel] [PATCH v3 3/6] 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": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "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 <paul.elder@ideasonboard.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n\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 8410c205..a34135ce 100644\n--- a/include/libcamera/internal/tracepoints/meson.build\n+++ b/include/libcamera/internal/tracepoints/meson.build\n@@ -1,5 +1,6 @@\n # SPDX-License-Identifier: CC0-1.0\n \n tracepoint_files = files([\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", "v3", "3/6" ] }