{"id":16771,"url":"https://patchwork.libcamera.org/api/patches/16771/?format=json","web_url":"https://patchwork.libcamera.org/patch/16771/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/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":"<20220725192317.99026-3-umang.jain@ideasonboard.com>","date":"2022-07-25T19:23:16","name":"[libcamera-devel,RFC,2/3] utils: ipu3: Executable helper to read statistics","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"b1931ef73ff19592f06f7688b1fa42ba6ae197d9","submitter":{"id":86,"url":"https://patchwork.libcamera.org/api/people/86/?format=json","name":"Umang Jain","email":"umang.jain@ideasonboard.com"},"delegate":{"id":12,"url":"https://patchwork.libcamera.org/api/users/12/?format=json","username":"uajain","first_name":"Umang","last_name":"Jain","email":"umang.jain@ideasonboard.com"},"mbox":"https://patchwork.libcamera.org/patch/16771/mbox/","series":[{"id":3324,"url":"https://patchwork.libcamera.org/api/series/3324/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=3324","date":"2022-07-25T19:23:14","name":"utils: IPU3 read statistics helper","version":1,"mbox":"https://patchwork.libcamera.org/series/3324/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/16771/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/16771/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 1FEB6BE173\n\tfor ;\n\tMon, 25 Jul 2022 19:23:37 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id D788263319;\n\tMon, 25 Jul 2022 21:23:36 +0200 (CEST)","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 823D96330A\n\tfor ;\n\tMon, 25 Jul 2022 21:23:33 +0200 (CEST)","from perceval.ideasonboard.com (unknown\n\t[IPv6:2401:4900:1f3e:f7a:bc8f:12ed:b45f:c35d])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 7C5DF6D1;\n\tMon, 25 Jul 2022 21:23:32 +0200 (CEST)"],"DKIM-Signature":["v=1; 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dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"NF5b7Qi5\"; dkim-atps=neutral","To":"libcamera-devel@lists.libcamera.org","Date":"Tue, 26 Jul 2022 00:53:16 +0530","Message-Id":"<20220725192317.99026-3-umang.jain@ideasonboard.com>","X-Mailer":"git-send-email 2.31.1","In-Reply-To":"<20220725192317.99026-1-umang.jain@ideasonboard.com>","References":"<20220725192317.99026-1-umang.jain@ideasonboard.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [RFC PATCH 2/3] utils: ipu3: Executable helper to\n\tread statistics","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","From":"Umang Jain via libcamera-devel ","Reply-To":"Umang Jain ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Usage: ipu3-read-stats input-file output-file\n\n[Currently only reads R,G,B averages out of AWB]\nTo be extended to dump more meaningful stats.\n\nSigned-off-by: Umang Jain \n---\n utils/ipu3/ipu3-read-stats.c | 110 +++++++++++++++++++++++++++++++++++\n utils/ipu3/meson.build | 2 +\n 2 files changed, 112 insertions(+)\n create mode 100644 utils/ipu3/ipu3-read-stats.c","diff":"diff --git a/utils/ipu3/ipu3-read-stats.c b/utils/ipu3/ipu3-read-stats.c\nnew file mode 100644\nindex 00000000..c400d294\n--- /dev/null\n+++ b/utils/ipu3/ipu3-read-stats.c\n@@ -0,0 +1,110 @@\n+/* SPDX-License-Identifier: GPL-2.0-or-later */\n+/*\n+ * ipu3-read-stats - Dump IPU3 statistics\n+ *\n+ * Copyright 2022 Umang Jain \n+ */\n+#define _GNU_SOURCE\n+\n+#include \n+#include \n+#include \n+#include \n+#include \n+#include \n+#include \n+\n+#include \"../../include/linux/intel-ipu3.h\"\n+\n+static void usage(const char *argv0)\n+{\n+\tprintf(\"Usage: %s input-file output-file\\n\", basename(argv0));\n+\tprintf(\"Dump IPU3 statistics\\n\");\n+\tprintf(\"If the output-file '-', output data will be written to standard output\\n\");\n+}\n+\n+int main(int argc, char *argv[])\n+{\n+\tint in_fd;\n+\tFILE *fout;\n+\tint ret;\n+\n+\tif (argc != 3) {\n+\t\tusage(argv[0]);\n+\t\treturn 1;\n+\t}\n+\n+\tin_fd = open(argv[1], O_RDONLY);\n+\tif (in_fd == -1) {\n+\t\tfprintf(stderr, \"Failed to open statistics file '%s': %s\\n\",\n+\t\t\targv[1], strerror(errno));\n+\t\treturn 1;\n+\t}\n+\n+\tif (strcmp(argv[2], \"-\") == 0) {\n+\t\tfout = stdout;\n+\t} else {\n+\t\tfout = fopen(argv[2], \"w\");\n+\t\tif (!fout) {\n+\t\t\tfprintf(stderr, \"Failed to open output file '%s': %s\\n\",\n+\t\t\t\targv[2], strerror(errno));\n+\t\t\tclose(in_fd);\n+\t\t\treturn 1;\n+\t\t}\n+\t}\n+\n+\tint frame = 0;\n+\tstruct ipu3_uapi_stats_3a *stats = (struct ipu3_uapi_stats_3a *) malloc(sizeof(struct ipu3_uapi_stats_3a));\n+\n+\twhile (1) {\n+\t\tret = read(in_fd, stats, sizeof(struct ipu3_uapi_stats_3a));\n+\t\tif (ret < 0) {\n+\t\t\tfprintf(stderr, \"Failed to read stats data: %s\\n\",\n+\t\t\t\tstrerror(errno));\n+\t\t\tgoto done;\n+\t\t}\n+\n+\t\tif ((unsigned)ret < sizeof(struct ipu3_uapi_stats_3a)) {\n+\t\t\tif (ret != 0)\n+\t\t\t\tfprintf(stderr, \"%u bytes of stray data at end of input\\n\",\n+\t\t\t\t\tret);\n+\t\t\tgoto done;\n+\t\t}\n+\n+\t\t/* ================ Dump AE stats ================ */\n+\n+\n+\t\t/* ================ Dump AWB stats ================ */\n+\n+\t\t/* Sum the per-channel averages */\n+\t\tunsigned int stride_ = 56; /* \\todo find dynamic way to calculate grid stride */\n+\t\tdouble redSum = 0, greenSum = 0, blueSum = 0;\n+\t\tstruct ipu3_uapi_grid_config grid = stats->stats_4a_config.awb_config.grid;\n+\t\tfor (unsigned int cellY = 0; cellY < grid.height; cellY++) {\n+\t\t\tfor (unsigned int cellX = 0; cellX < grid.width; cellX++) {\n+\t\t\t\tuint32_t cellPosition = cellY * stride_ + cellX;\n+\n+\t\t\t\tconst struct ipu3_uapi_awb_set_item *cell =\n+\t\t\t\t\t(const struct ipu3_uapi_awb_set_item *)(\n+\t\t\t\t\t\t&stats->awb_raw_buffer.meta_data[cellPosition]\n+\t\t\t\t\t);\n+\t\t\t\tconst uint8_t G_avg = (cell->Gr_avg + cell->Gb_avg) / 2;\n+\n+\t\t\t\tredSum += cell->R_avg;\n+\t\t\t\tgreenSum += G_avg;\n+\t\t\t\tblueSum += cell->B_avg;\n+\t\t\t}\n+\t\t}\n+\n+\t\tfprintf(fout, \"Frame: %d, redSum: %.1f, greenSum: %.1f, blueSum: %.1f\\n\",\n+\t\t\tframe, redSum, greenSum, blueSum);\n+\t\tframe++;\n+\t}\n+\n+done:\n+\tfree(stats);\n+\tclose(in_fd);\n+\tfclose(fout);\n+\n+\treturn ret ? 1 : 0;\n+}\ndiff --git a/utils/ipu3/meson.build b/utils/ipu3/meson.build\nindex c92cc658..88fc2a1b 100644\n--- a/utils/ipu3/meson.build\n+++ b/utils/ipu3/meson.build\n@@ -2,3 +2,5 @@\n \n ipu3_pack = executable('ipu3-pack', 'ipu3-pack.c')\n ipu3_unpack = executable('ipu3-unpack', 'ipu3-unpack.c')\n+\n+ipu3_read_stats = executable('ipu3-read-stats', 'ipu3-read-stats.c')\n","prefixes":["libcamera-devel","RFC","2/3"]}