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{ "id": 10288, "url": "https://patchwork.libcamera.org/api/patches/10288/?format=api", "web_url": "https://patchwork.libcamera.org/patch/10288/", "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": "<20201028103151.34575-2-paul.elder@ideasonboard.com>", "date": "2020-10-28T10:31:47", "name": "[libcamera-devel,v2,2/6] libcamera: request: Add tracepoints", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "826385fbf1da5f5b23a35c309f327c2e3aad52fa", "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/10288/mbox/", "series": [ { "id": 1428, "url": "https://patchwork.libcamera.org/api/series/1428/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1428", "date": "2020-10-28T10:31:46", "name": "[libcamera-devel,v2,1/6] libcamera: tracing: Implement tracing infrastructure", "version": 2, "mbox": "https://patchwork.libcamera.org/series/1428/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/10288/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/10288/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 1A112BDB1E\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 28 Oct 2020 10:32:06 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id C405D625FE;\n\tWed, 28 Oct 2020 11:32:05 +0100 (CET)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 2B130625EF\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 28 Oct 2020 11:32:04 +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 9FC3199A;\n\tWed, 28 Oct 2020 11:32:02 +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=\"BZW0CaZ2\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1603881123;\n\tbh=4r43Df56Lzm3dEGcbjXd7izkQmLPHXCdRVDpiAWMSDQ=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=BZW0CaZ2RU6elEUUpBbHpSxryaZQ+2y73Lzk5/lIRhp3pcAe69Q6pqcsLJxpQckje\n\tqNn9MJMJgoGEIQWqi/c5erbtjV4GXgzymqNMvJ9dGKKuGK5NpgV8uLo42eqimUisMH\n\t7YeQEHUfyrKoAjf7dpnyLfmiiqABThVMRFoipW9U=", "From": "Paul Elder <paul.elder@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Wed, 28 Oct 2020 19:31:47 +0900", "Message-Id": "<20201028103151.34575-2-paul.elder@ideasonboard.com>", "X-Mailer": "git-send-email 2.27.0", "In-Reply-To": "<20201028103151.34575-1-paul.elder@ideasonboard.com>", "References": "<20201028103151.34575-1-paul.elder@ideasonboard.com>", "MIME-Version": "1.0", "Subject": "[libcamera-devel] [PATCH v2 2/6] libcamera: request: Add tracepoints", "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 and use tracepoints in Request.\n\nSigned-off-by: Paul Elder <paul.elder@ideasonboard.com>\n\n---\nChanges in v2:\n- remove tracepoints from uvcvideo\n- remove comment in changelog that this is only used for demonstration\n- use Request pointers instead of feeding the fields manually to the\n tracepoint\n---\n .../internal/tracepoints/meson.build | 1 +\n .../libcamera/internal/tracepoints/request.tp | 85 +++++++++++++++++++\n src/libcamera/request.cpp | 15 ++++\n 3 files changed, 101 insertions(+)\n create mode 100644 include/libcamera/internal/tracepoints/request.tp", "diff": "diff --git a/include/libcamera/internal/tracepoints/meson.build b/include/libcamera/internal/tracepoints/meson.build\nindex 2dd6733e..8410c205 100644\n--- a/include/libcamera/internal/tracepoints/meson.build\n+++ b/include/libcamera/internal/tracepoints/meson.build\n@@ -1,4 +1,5 @@\n # SPDX-License-Identifier: CC0-1.0\n \n tracepoint_files = files([\n+ 'request.tp',\n ])\ndiff --git a/include/libcamera/internal/tracepoints/request.tp b/include/libcamera/internal/tracepoints/request.tp\nnew file mode 100644\nindex 00000000..481a3670\n--- /dev/null\n+++ b/include/libcamera/internal/tracepoints/request.tp\n@@ -0,0 +1,85 @@\n+#include <libcamera/request.h>\n+\n+TRACEPOINT_EVENT_CLASS(\n+\tlibcamera,\n+\trequest,\n+\tTP_ARGS(\n+\t\tlibcamera::Request *, req,\n+\t\tint, cancelled\n+\t),\n+\tTP_FIELDS(\n+\t\tctf_integer(uint64_t, cookie, req->cookie())\n+\t\tctf_integer(int, status, req->status())\n+\t\tctf_integer(int, cancelled, cancelled)\n+\t)\n+)\n+\n+TRACEPOINT_EVENT_INSTANCE(\n+\tlibcamera,\n+\trequest,\n+\trequest_construct,\n+\tTP_ARGS(\n+\t\tlibcamera::Request *, req,\n+\t\tint, cancelled\n+\t)\n+)\n+\n+TRACEPOINT_EVENT_INSTANCE(\n+\tlibcamera,\n+\trequest,\n+\trequest_deconstruct,\n+\tTP_ARGS(\n+\t\tlibcamera::Request *, req,\n+\t\tint, cancelled\n+\t)\n+)\n+\n+TRACEPOINT_EVENT_INSTANCE(\n+\tlibcamera,\n+\trequest,\n+\trequest_reuse,\n+\tTP_ARGS(\n+\t\tlibcamera::Request *, req,\n+\t\tint, cancelled\n+\t)\n+)\n+\n+TRACEPOINT_EVENT_INSTANCE(\n+\tlibcamera,\n+\trequest,\n+\trequest_add_buffer,\n+\tTP_ARGS(\n+\t\tlibcamera::Request *, req,\n+\t\tint, cancelled\n+\t)\n+)\n+\n+TRACEPOINT_EVENT_INSTANCE(\n+\tlibcamera,\n+\trequest,\n+\trequest_find_buffer,\n+\tTP_ARGS(\n+\t\tconst libcamera::Request *, req,\n+\t\tint, cancelled\n+\t)\n+)\n+\n+TRACEPOINT_EVENT_INSTANCE(\n+\tlibcamera,\n+\trequest,\n+\trequest_complete,\n+\tTP_ARGS(\n+\t\tlibcamera::Request *, req,\n+\t\tint, cancelled\n+\t)\n+)\n+\n+TRACEPOINT_EVENT_INSTANCE(\n+\tlibcamera,\n+\trequest,\n+\trequest_complete_buffer,\n+\tTP_ARGS(\n+\t\tlibcamera::Request *, req,\n+\t\tint, cancelled\n+\t)\n+)\ndiff --git a/src/libcamera/request.cpp b/src/libcamera/request.cpp\nindex ae8b1660..bec2cab5 100644\n--- a/src/libcamera/request.cpp\n+++ b/src/libcamera/request.cpp\n@@ -16,6 +16,7 @@\n \n #include \"libcamera/internal/camera_controls.h\"\n #include \"libcamera/internal/log.h\"\n+#include \"libcamera/internal/tracepoints.h\"\n \n /**\n * \\file request.h\n@@ -85,10 +86,14 @@ Request::Request(Camera *camera, uint64_t cookie)\n \t * \\todo: Add a validator for metadata controls.\n \t */\n \tmetadata_ = new ControlList(controls::controls);\n+\n+\tLIBCAMERA_TRACEPOINT(request_construct, this, cancelled_);\n }\n \n Request::~Request()\n {\n+\tLIBCAMERA_TRACEPOINT(request_deconstruct, this, cancelled_);\n+\n \tdelete metadata_;\n \tdelete controls_;\n \tdelete validator_;\n@@ -106,6 +111,8 @@ Request::~Request()\n */\n void Request::reuse(ReuseFlag flags)\n {\n+\tLIBCAMERA_TRACEPOINT(request_reuse, this, cancelled_);\n+\n \tpending_.clear();\n \tif (flags & ReuseBuffers) {\n \t\tfor (auto pair : bufferMap_) {\n@@ -167,6 +174,8 @@ void Request::reuse(ReuseFlag flags)\n */\n int Request::addBuffer(const Stream *stream, FrameBuffer *buffer)\n {\n+\tLIBCAMERA_TRACEPOINT(request_add_buffer, this, cancelled_);\n+\n \tif (!stream) {\n \t\tLOG(Request, Error) << \"Invalid stream reference\";\n \t\treturn -EINVAL;\n@@ -202,6 +211,8 @@ int Request::addBuffer(const Stream *stream, FrameBuffer *buffer)\n */\n FrameBuffer *Request::findBuffer(const Stream *stream) const\n {\n+\tLIBCAMERA_TRACEPOINT(request_find_buffer, this, cancelled_);\n+\n \tconst auto it = bufferMap_.find(stream);\n \tif (it == bufferMap_.end())\n \t\treturn nullptr;\n@@ -253,6 +264,8 @@ FrameBuffer *Request::findBuffer(const Stream *stream) const\n */\n void Request::complete()\n {\n+\tLIBCAMERA_TRACEPOINT(request_complete, this, cancelled_);\n+\n \tASSERT(!hasPendingBuffers());\n \tstatus_ = cancelled_ ? RequestCancelled : RequestComplete;\n \n@@ -276,6 +289,8 @@ void Request::complete()\n */\n bool Request::completeBuffer(FrameBuffer *buffer)\n {\n+\tLIBCAMERA_TRACEPOINT(request_complete_buffer, this, cancelled_);\n+\n \tint ret = pending_.erase(buffer);\n \tASSERT(ret == 1);\n \n", "prefixes": [ "libcamera-devel", "v2", "2/6" ] }