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{
    "id": 10308,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/10308/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/10308/",
    "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": "<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    "state": "superseded",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=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/10308/mbox/",
    "series": [
        {
            "id": 1435,
            "url": "https://patchwork.libcamera.org/api/1.1/series/1435/?format=api",
            "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": "<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 4E640BDB1E\n\tfor <parsemail@patchwork.libcamera.org>;\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)",
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            "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 <paul.elder@ideasonboard.com>",
        "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": "<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---\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"
    ]
}