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{ "id": 14795, "url": "https://patchwork.libcamera.org/api/patches/14795/?format=api", "web_url": "https://patchwork.libcamera.org/patch/14795/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/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": "<20211126074219.3930973-1-paul.elder@ideasonboard.com>", "date": "2021-11-26T07:42:19", "name": "[libcamera-devel] guides: tracing: Mention where to find the trace file", "commit_ref": "8acc82ec0d317b2d8cae6ba57904fbd3811f89e0", "pull_url": null, "state": "accepted", "archived": false, "hash": "abd98bf81677790cae1f95129e7599e13d8fabea", "submitter": { "id": 17, "url": "https://patchwork.libcamera.org/api/people/17/?format=api", "name": "Paul Elder", "email": "paul.elder@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/14795/mbox/", "series": [ { "id": 2760, "url": "https://patchwork.libcamera.org/api/series/2760/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2760", "date": "2021-11-26T07:42:19", "name": "[libcamera-devel] guides: tracing: Mention where to find the trace file", "version": 1, "mbox": "https://patchwork.libcamera.org/series/2760/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/14795/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/14795/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 26184BF415\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 26 Nov 2021 07:42:36 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 8C2506011D;\n\tFri, 26 Nov 2021 08:42:35 +0100 (CET)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 2D6606011D\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 26 Nov 2021 08:42:33 +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 773F8340;\n\tFri, 26 Nov 2021 08:42:31 +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=\"XTVvA1Qb\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1637912552;\n\tbh=gvd+3ZOjoNJQpLwnGtdwo2ESac237jm5ADpKgo564zs=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=XTVvA1QbksaWK7EEJGmFo6nieU9IzjaR0gC1OzpLSvoBaVWFd09EEiTysTC6fbu0s\n\ttQKrqd1kx+4+du9VxBYN8LtF0liRo5iFJTFzpi3rolIh+sd4dAjckEcAM9bwFF9ZGi\n\t1CdNSQ3j+g6Gfpn8vp0UoRwTztGnY6neAQgGOOf0=", "From": "Paul Elder <paul.elder@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Fri, 26 Nov 2021 16:42:19 +0900", "Message-Id": "<20211126074219.3930973-1-paul.elder@ideasonboard.com>", "X-Mailer": "git-send-email 2.27.0", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH] guides: tracing: Mention where to find\n\tthe trace file", "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>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Add a couple sentences describing where to find the trace file, and how\nto view it even after the tracing session is destroyed.\n\nSigned-off-by: Paul Elder <paul.elder@ideasonboard.com>\n---\n Documentation/guides/tracing.rst | 6 ++++++\n 1 file changed, 6 insertions(+)", "diff": "diff --git a/Documentation/guides/tracing.rst b/Documentation/guides/tracing.rst\nindex 9c688b93..ae960d85 100644\n--- a/Documentation/guides/tracing.rst\n+++ b/Documentation/guides/tracing.rst\n@@ -117,6 +117,12 @@ A trace can be collected fairly simply from lttng:\n \n See the `lttng documentation <https://lttng.org/docs/>`_ for further details.\n \n+The location of the trace file is printed when running\n+``lttng create $SESSION_NAME``. After destroying the session, it can still be\n+viewed by: ``lttng view -t $PATH_TO_TRACE``, where ``$PATH_TO_TRACE`` is the\n+path that was printed when the session was created. This is the same path that\n+is used when analyzing traces programatically, as described in the next section.\n+\n Analyzing a trace\n -----------------\n \n", "prefixes": [ "libcamera-devel" ] }