網頁

2023年6月2日 星期五

DeepStream 之 nvdspreprocess 使用注意事項

nvdspreprocess 使用在 PGIE(Primary Gst Inference Engine)

g_object_set(G_OBJECT(pgie), "input-tensor-meta", 1, NULL);
or PGIE 的設定檔
input-tensor-from-meta=1

nvdspreprocess 的設定檔
# 需搭配 pgie_config.txt 的 model
# 0=NCHW, 1=NHWC, 2=CUSTOM
network-input-order=0
network-input-shape=2;3;384;1248
processing-width=1248
processing-height=384
tensor-name=Input
# 需搭配 pgie_config.txt 的 net-scale-factor
pixel-normalization-factor=1.0

2023年5月4日 星期四

Nvidia TAO Computer Vision Sample Workflows

參考: Nvidia TAO(Train, Adapt, and Optimize)

user@host:~$ pip3 install --upgrade pip
Traceback (most recent call last):
  File "/home/user/.local/bin/pip3", line 7, in <module>
    from pip._internal.cli.main import main
ModuleNotFoundError: No module named 'pip._internal'

user@host:~$ python3 -m pip --version
pip 9.0.1 from /usr/lib/python3/dist-packages (python 3.6)
user@host:~$ python3 -m pip install --upgrade pip
Collecting pip
  Cache entry deserialization failed, entry ignored
  Using cached https://files.pythonhosted.org/packages/a4/6d/6463d49a933f547439d6b5b98b46af8742cc03ae83543e4d7688c2420f8b/pip-21.3.1-py3-none-any.whl
Installing collected packages: pip
Successfully installed pip-21.3.1

user@host:~$ pip3 install virtualenv
user@host:~$ pip3 install virtualenvwrapper
user@host:~$ mkdir .virtualenvs
user@host:~$ vi .bashrc
export WORKON_HOME=$HOME/.virtualenvs
export VIRTUALENVWRAPPER_PYTHON=/usr/bin/python3
source $HOME/.local/bin/virtualenvwrapper.sh
user@host:~$ source .bashrc
user@host:~$ mkvirtualenv tao -p /usr/bin/python3
(tao) user@host:~$ deactivate
user@host:~$ lsvirtualenv
user@host:~$ workon tao
(tao) user@host:~$ pip3 install nvidia-pyindex
(tao) user@host:~$ pip3 install nvidia-tao
(tao) user@host:~$ pip3 install jupyter
(tao) user@host:~$ tao info

到 https://catalog.ngc.nvidia.com/orgs/nvidia/teams/tao/resources/cv_samples 網站
右上角 Download 選 WGET 或 CLI, 會將命令拷貝至剪貼簿,如下命令,並執行
ngc registry resource download-version "nvidia/tao/cv_samples:v1.4.1"
wget --content-disposition https://api.ngc.nvidia.com/v2/resources/nvidia/tao/cv_samples/versions/v1.4.1/zip -O cv_samples_v1.4.1.zip

(tao) user@host:~/Data/tao$ unzip -u cv_samples_v1.4.1.zip -d ./cv_samples_v1.4.1 && rm -rf cv_samples_v1.4.1.zip 
user@host:~/Data/tao$ cp -ar cv_samples_v1.4.1/yolo_v4_tiny/ yolo_v4_tiny_1.4.1
(tao) user@host:~/Data/tao$ cd cv_samples_v1.4.1/
(tao) user@host:~/Data/tao/cv_samples_v1.4.1$ 
(tao) user@host:~/Data/tao/cv_samples_v1.4.1$ jupyter notebook --ip 0.0.0.0 --port 8888 --allow-root
依據命令返回說明,開啟網頁
進入 yolo_v4_tiny, 點選 yolo_v4_tiny.ipynb
修改下列環境變數到你真實的位置
%env LOCAL_PROJECT_DIR=YOUR_LOCAL_PROJECT_DIR_PATH
%env LOCAL_PROJECT_DIR=/home/user/Data/tao/yolo_v4_tiny_1.4.1
檢查工具版本
(tao) user@host:~/Data/tao/yolo_v4_tiny_1.4.1$ python3 --version
(tao) user@host:~/Data/tao/yolo_v4_tiny_1.4.1$ docker version
(tao) user@host:~/Data/tao/yolo_v4_tiny_1.4.1$ apt list -a nvidia-container-toolkit
(tao) user@host:~/Data/tao/yolo_v4_tiny_1.4.1$ apt list -a nvidia-docker2
(tao) user@host:~/Data/tao/yolo_v4_tiny_1.4.1$ nvidia-smi
(tao) user@host:~/Data/tao/yolo_v4_tiny_1.4.1$ docker login nvcr.io

到 https://catalog.ngc.nvidia.com/ 搜尋 object
可找到 TAO Pretrained Object Detection
進入,點選右上 Download, 選 CLI,將命令拷貝
可由命令查到真實位置
ngc registry model download-version "nvidia/tao/pretrained_object_detection:cspdarknet_tiny"

參考 https://catalog.ngc.nvidia.com/orgs/nvidia/containers/deepstream
user@host:~/Data/V2Pdetect$ docker run --gpus all -it --rm --net=host --privileged -v /tmp/.X11-unix:/tmp/.X11-unix -e DISPLAY=$DISPLAY -w /opt/nvidia/deepstream/deepstream-6.2 nvcr.io/nvidia/deepstream:6.2-devel

查詢已安裝套件的版本
參考 https://docs.nvidia.com/metropolis/deepstream/dev-guide/text/DS_Quickstart.html?highlight=compatibility#platform-and-os-compatibility
其中 nvidia driver 的版本, docker 是使用 host 的 driver
root@host:/opt/nvidia/deepstream/deepstream-6.2# pip list
root@host:/opt/nvidia/deepstream/deepstream-6.2# dpkg -l|grep nvinfer
root@host:/opt/nvidia/deepstream/deepstream-6.2# dpkg -l|grep cudnn
root@host:/opt/nvidia/deepstream/deepstream-6.2# dpkg -l|grep cudnn
root@host:/opt/nvidia/deepstream/deepstream-6.2# cat /etc/os-release 
root@host:/opt/nvidia/deepstream/deepstream-6.2# update-alternatives --display cuda
root@host:/opt/nvidia/deepstream/deepstream-6.2# nvidia-smi

root@host:/opt/nvidia/deepstream/deepstream-6.2# ./install.sh 
root@host:/opt/nvidia/deepstream/deepstream-6.2# ./user_additional_install.sh 

user@host:~/Data/DeepStream/deepstream_tao_apps$ git clone https://github.com/NVIDIA-AI-IOT/deepstream_tao_apps.git
user@host:~/Data/DeepStream/deepstream_tao_apps$ cd deepstream_tao_apps
user@host:~/Data/DeepStream/deepstream_tao_apps/deepstream_tao_apps$ git show-ref
user@host:~/Data/DeepStream/deepstream_tao_apps/deepstream_tao_apps$ cd ..
user@host:~/Data/DeepStream/deepstream_tao_apps$ mv deepstream_tao_apps deepstream_tao_apps-tao4.0_ds6.2ga
user@host:~/Data/DeepStream/deepstream_tao_apps$ cd deepstream_tao_apps-tao4.0_ds6.2ga/

user@host:~/Data/V2Pdetect$ docker run --gpus all -it --rm --net=host --privileged \
  -v /tmp/.X11-unix:/tmp/.X11-unix \
  -v /etc/localtime:/etc/localtime \
  -v /home/user/Data/DeepStream/deepstream_tap_apps/deepstream_tao_apps-tao4.0_ds6.2ga/:/home/deepstream_tao_apps \
  -v /home/user/Data/V2Pdetect/multi_rtsp:/home/multi_rtsp \
  -e DISPLAY=$DISPLAY \
  -w /opt/nvidia/deepstream/deepstream-6.2 \
  nvcr.io/nvidia/deepstream:6.2-devel

root@host:/opt/nvidia/deepstream/deepstream-6.2# cd /home/deepstream_tao_apps/
root@host:/home/deepstream_tao_apps# ./download_models.sh 
root@host:/home/deepstream_tao_apps# ls models/yolov4-tiny/
root@host:/home/deepstream_tao_apps# cd post_processor/
root@host:/home/deepstream_tao_apps/post_processor# make
Makefile:25: *** "CUDA_VER is not set".  Stop.
root@host:/home/deepstream_tao_apps/post_processor# dpkg -l | grep CUDA
root@host:/home/deepstream_tao_apps/post_processor# export CUDA_VER=11.8
root@host:/home/deepstream_tao_apps/post_processor# cd ../apps/tao_detection/
root@host:/home/deepstream_tao_apps/apps/tao_detection# make
自己準備個 sample_720p.h264,以便測試
root@host:/home/deepstream_tao_apps/apps/tao_detection# ./ds-tao-detection -c ../../configs/yolov4-tiny_tao/pgie_yolov4_tiny_tao_config.txt -i file:///home/deepstream_tao_apps/sample/streams/sample_720p.h264 -d
root@host:/home/deepstream_tao_apps/apps/tao_detection# ./ds-tao-detection -c ../../configs/yolov4-tiny_tao/pgie_yolov4_tiny_tao_config.txt -i rtsp://root:passwd@192.168.0.107:554/live1s1.sdp -d

將 tao 產生的 labels.txt, yolov4_cspdarknet_tiny_epoch_080.etlt 拷貝到 deepstream_tao_apps 下
並合併 nvinfer_config.txt 和 pgie_yolov4_tiny_tao_config.txt 
root@host:/home/deepstream_tao_apps/apps/tao_detection# ./ds-tao-detection -c ../../configs/yolov4-tiny_tao/pgie_light.txt -i file:///home/deepstream_tao_apps/sample/streams/sample_720p.h264 -d

root@host:/home/multi_rtsp# apt-get update
root@host:/home/multi_rtsp# apt-get install libopencv-dev
root@host:/home/multi_rtsp# apt-get install libclutter-gst-3.0-dev

2023年3月29日 星期三

檢查 memory leak

安裝 valgrind
$ sudo apt update
$ sudo apt install snapd
$ sudo snap install valgrind --classic

$ gcc -g -o debug_prog debug_prog.c
$ g++ -g -o debug_prog debug_prog.c

開啟兩個 terminal
$ valgrind --vgdb=yes --vgdb-error=0 --tool=memcheck --leak-check=full ./debug_prog

$ gdb ./debug_prog
(gdb) target remote | vgdb
(gdb) break linenum
(gdb) next
(gdb) step
(gdb) monitor leak_check full reachable any
(gdb) kill
(gdb) quit

若只是單純檢查 memory leak
$ valgrind --tool=memcheck --leak-check=full ./debug_prog

suppression 一些錯誤
$ valgrind --tool=memcheck --leak-check=full --gen-suppressions=all ./debug_prog
...
{
   <insert_a_suppression_name_here>
   Memcheck:Leak
   match-leak-kinds: definite
   fun:malloc
   fun:g_malloc
   obj:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.5600.4
   fun:call_init
   fun:_dl_init
   obj:/lib/x86_64-linux-gnu/ld-2.27.so
}
...

利用上個命令的輸出,產生 local.supp 檔
$ valgrind --tool=memcheck --leak-check=full --supressions=./local.supp ./debug_prog
$ valgrind --tool=memcheck --leak-check=full --gen-suppressions=all --log-file=supp.log --supressions=./local.supp ./debug_prog
$ cat ./supp.log | ./suppressions.sh > local.supp
$ valgrind --tool=memcheck --leak-check=full --supressions=./local.supp --supressions=./gtk.supp ./debug_prog

suppressions.sh 若產生下列錯誤
awk: 34: unexpected character '&'
需改變 awk 的版本為 gawk
$ awk -W version
$ sudo apt-get update
$ sudo apt-get install gawk

去除 definitely loss
== 16,384 bytes in 1 blocks are definitely lost in loss record 1,443 of 1,448
==    at 0x4C330C5: malloc (vg_replace_malloc.c:393)
==    by 0x6A0BBD8: g_malloc (gmem.c:99)
==    by 0x6A1674B: g_quark_init (gquark.c:62)
==    by 0x40108D2: call_init (dl-init.c:72)
==    by 0x40108D2: _dl_init (dl-init.c:119)
==    by 0x40010C9: ??? (in /lib/x86_64-linux-gnu/ld-2.27.so)

下載 gst.supp 和 glib.supp gtk.supp
https://gitlab.freedesktop.org/gstreamer/common/-/blob/master/gst.supp
https://github.com/GNOME/glib/blob/main/tools/glib.supp
https://gist.github.com/pendingchaos/81feddb95c06aeb58e2f

Makefile 的
CFLAGS+= -g -O0

安裝 libglib 的 debug symbols 版本
$ echo "deb http://ddebs.ubuntu.com $(lsb_release -cs) main restricted universe multiverse
deb http://ddebs.ubuntu.com $(lsb_release -cs)-updates main restricted universe multiverse
deb http://ddebs.ubuntu.com $(lsb_release -cs)-proposed main restricted universe multiverse" | \
sudo tee -a /etc/apt/sources.list.d/ddebs.list
$ sudo apt install ubuntu-dbgsym-keyring
$ sudo apt update
$ sudo apt install libglib2.0-bin-dbgsym libglib2.0-0-dbgsym libglib2.0-dev-bin-dbgsym


export G_DEBUG=gc-friendly
export G_SLICE=always-malloc

valgrind -v --time-stamp=yes --tool=memcheck --leak-check=full \
  --gen-suppressions=all --log-file=supp.log \
  --suppressions=./glib.supp \
  --suppressions=./gst.supp \
  --suppressions=./gtk.supp \
  ./main

常用觀測記憶體使用狀態命令
$ while true; do echo -n `date +"%Y/%m/%d %H:%M:%S"`" " | tee -a aaa.log ; grep "VmRSS" /proc/26885/status | tee -a aaa.log ; sleep 60 ; done
$ watch "grep 'VmRSS\|VmPeak\|VmData\|VmStk\|VmExe\|VmLib\|Threads' /proc/26885/status" 


2023年3月21日 星期二

deepstream create_pipeline 分析

/opt/nvidia/deepstream/deepstream-6.0/sources/apps/sample_apps/deepstream-app/deepstream_app.c
create_pipeline (AppCtx * appCtx,
    bbox_generated_callback bbox_generated_post_analytics_cb,
    bbox_generated_callback all_bbox_generated_cb, perf_callback perf_cb,
    overlay_graphics_callback overlay_graphics_cb)
{
    multi_src_bin = create_multi_source_bin {
        sub_bins[] = create_camera_source_bin | 
            create_uridecode_src_bin | 
            create_rtsp_src_bin | 
            create_uridecode_src_bin_audio;
        sub_bins[] - nvstreammux;
    };
    create_common_elements {
        secondary_gie_bin = create_secondary_gie_bin {
            sub_bins[] = create_secondary_gie {
                secondary_gie = nvinfer | nvinferserver
                if (num_children == 0) {
                    queue - secondary_gie - fakesink
                } else {
                    queue - secondary_gie - tee
                }
            };
            tee - queue
            tee - sub_bins[]...
        };
        dsanalytics_bin = create_dsanalytics_bin {
            queue - nvdsanalytics
        };
        tracker_bin = create_tracking_bin { nvtracker };
        primary_gie_bin = create_primary_gie_bin {
            queue - nvvideoconvert - (nvinfer | nvinferserver) 
        };
        preprocess_bin = create_preprocess_bin {
            queue | nvdspreprocess
        };
        common_elements = nvmsgconv - tee
        {   preprocess_bin - primary_gie_bin - tracker_bin - 
            dsanalytics_bin - secondary_gie_bin - common_elements - 
            tee
        };
        secondary_gie_bin(src) -> bbox_generated_post_analytics_cb()
        sink_elem = preprocess_bin
        src_elem = tee
    };
    dsexample_bin = create_dsexample_bin { 
        queue - nvvideoconvert - capsfilter - dsexample 
    };
    demuxer = { nvstreamdemux };
    instance_bins[] = create_processing_instance {
        osd_bin = create_osd_bin { 
            queue - nvvideoconvert - queue - nvdsosd 
        };
        sink_bin = create_sink_bin {
            sub_bins[] = create_render_bin | 
                create_encode_file_bin | 
                create_udpsink_bin | 
                create_msg_conv_broker_bin
            queue - tee - sub_bins[]
        };
        osd_bin - sink_bin
        (sink)osd_bin -> all_bbox_generated_cb()
        (sink)osd_bin -> overlay_graphics_cb()
    };
    demux_instance_bins[] = create_demux_pipeline {
        osd_bin = create_osd_bin {
            queue - nvvideoconvert - queue - nvdsosd 
        };
        demux_sink_bin = create_demux_sink_bin {
            sub_bins[] = create_render_bin |
                create_encode_file_bin |
                create_udpsink_bin |
                create_msg_conv_broker_bin
            queue - tee - sub_bins[]
        };
        osd_bin - demux_sink_bin
    };
    tiled_display_bin = create_tiled_display_bin {
        queue - nvmultistreamtiler
    };
    if (tiled_display_config.enable) {
        multi_src_bin - (sink_elem-src_elem) - dsexample_bin - tiler_tee
            tiler_tee - nvstreamdemux - demux_instance_bins[]
            tiler_tee - tiled_display_bin - instance_bins[]
    } else {
        multi_src_bin - (sink_elem-src_elem) - dsexample_bin - demuxer - instance_bins[]
    };
};

2023年3月17日 星期五

ubuntu cpu 工作頻率設定

$ sudo apt-get install cpufrequtils
$ cpufreq-info
$ for i in {0..15}
> do
>   sudo cpufreq-set -d 800000 -u 3200000 -c $i
> done
$ watch -n1 "grep Hz /proc/cpuinfo | grep -v model"
$ watch sensors

2023年3月9日 星期四

lftp in wsl

vi ~/.ssh/config
Host 192.168.5.9
        KexAlgorithms +diffie-hellman-group1-sha1
        HostKeyAlgorithms ssh-rsa
        PubkeyAcceptedKeyTypes ssh-rsa

lftp command

set FTP_USER=digichance
set FTP_PASSWD=sh22463458
set FTP_SITE=114.33.245.149
set FTP_PORT=22
rem set FTP_PORT=7010
set FTP_LOCAL=/cygdrive/D/Photo
set FTP_REMOTE=/d:/temp
set FTP_CMD=lftp.exe
set PATH=%PATH%;C:\lftp-4.9.2.win64-openssl\bin
set PUT=Y
set REMOVE_SOURCE=N

set today=%date:~0,10%
set dy=%today:~0,4%
set dm=%today:~5,2%
set dd=%today:~8,2%
set YES_DAY=%dy%%dm%%dd%
call YesDay.bat %YES_DAY%
echo %YES_DAY%
call YesDay.bat %YES_DAY%
echo %YES_DAY%

if "%REMOVE_SOURCE%"=="Y" (
    set REMOVE_CMD=--Remove-source-dirs
) else (
    set REMOVE_CMD=
)
if "%PUT%"=="Y" (
    set FILE_LIST=-R %FTP_LOCAL%/%1 %1
) else (
    set FILE_LIST=%1 %FTP_LOCAL%/%1
)
%FTP_CMD% -c "set sftp:auto-confirm yes;set net:timeout 5;set net:max-retries 3; open -u %FTP_USER%,%FTP_PASSWD% -p %FTP_PORT% sftp://%FTP_SITE%; cd %FTP_REMOTE%; mirror %REMOVE_CMD% %FILE_LIST%; quit"

rem GET YESTERDAY DATE
rem for Windows 2000,XP,2003
rem http://hi.baidu.com/uroot
@echo off

set dt=%1%
rem date format is "YYYYMMDD"

rem set /P dt="Input Date: "

set dy=%dt:~0,4%
set dm=%dt:~4,2%
set dd=%dt:~6,2%

echo %dy%-%dm%-%dd%
if %dm%%dd%==0101 goto L01
if %dm%%dd%==0201 goto L02
if %dm%%dd%==0301 goto L07
if %dm%%dd%==0401 goto L02
if %dm%%dd%==0501 goto L04
if %dm%%dd%==0601 goto L02
if %dm%%dd%==0701 goto L04
if %dm%%dd%==0801 goto L02
if %dm%%dd%==0901 goto L02
if %dm%%dd%==1001 goto L05
if %dm%%dd%==1101 goto L03
if %dm%%dd%==1201 goto L06

if %dd%==02 goto L10
if %dd%==03 goto L10
if %dd%==04 goto L10
if %dd%==05 goto L10
if %dd%==06 goto L10
if %dd%==07 goto L10
if %dd%==08 goto L10
if %dd%==09 goto L10
if %dd%==10 goto L11
set /A dd=dd-1
set dt=%dy%-%dm%-%dd%
goto END
:L10
set /A dd=%dd:~1,1%-1
set dt=%dy%-%dm%-0%dd%
set dd=0%dd%
goto END
:L11
set dt=%dy%-%dm%-09
set dd=09  
goto END

:L02
set /A dm=%dm:~1,1%-1
set dt=%dy%-0%dm%-31
set dm=0%dm%
set dd=31
goto END
:L04
set /A dm=dm-1
set dt=%dy%-0%dm%-30
set dm=0%dm%
set dd=30
goto END

:L05
set dt=%dy%-09-30
set dm=09
set dd=30
goto END
:L03
set dt=%dy%-10-31
set dm=10
set dd=31
goto END
:L06
set dt=%dy%-11-30
set dm=11
set dd=30
goto END
:L01
set /A dy=dy-1
set dt=%dy%-12-31
set dm=12
set dd=31
goto END

:L07
set /A "dd=dy%%4"
if not %dd%==0 goto L08
set /A "dd=dy%%100"
if not %dd%==0 goto L09
set /A "dd=dy%%400"
if %dd%==0 goto L09
:L08
set dt=%dy%-02-28
set dm=02
set dd=28
goto END
:L09
set dt=%dy%-02-29
set dm=02
set dd=29
goto END

:END
rem echo %dt%
set YES_DAY=%dy%%dm%%dd%