lucmann

[Unit]
Description=Clash Proxy Autostart
After=network.target network-online.target

[Service]
Type=simple
WorkingDirectory=/home/luc/a/clash-for-linux
User=root
ExecStart=/home/luc/a/clash-for-linux/bin/clash-linux-amd64 -d conf
Restart=on-failure

lucmann

8月 08 06:30:54 sniper gdm[520]: Gdm: GdmManager: trying to open reauthentication channel for user luc
8月 08 06:30:54 sniper gdm[520]: Gdm: Finding a graphical session for user 1000
8月 08 06:30:54 sniper gdm[520]: Gdm: Considering session '5'
8月 08 06:30:54 sniper gdm[520]: Gdm: Considering session '4'
8月 08 06:30:54 sniper gdm[520]: Gdm: Session '4' is not a graphical session (type: 'unspecified')
8月 08 06:30:54 sniper gdm[520]: Gdm: Considering session '3'
8月 08 06:30:54 sniper gdm[520]: Gdm: Session '3' is not a graphical session (type: 'tty')
8月 08 06:30:54 sniper gdm[520]: Gdm: GdmManager: looking for user session on display
8月 08 06:30:54 sniper gdm[520]: Gdm: GdmSession: starting reauthentication for session 5 for client with pid 1000
8月 08 06:30:54 sniper gdm[520]: Gdm: GdmSession: Emitting 'reauthentication-started' signal for caller pid '1246'

lucmann

8月 07 06:10:38 sniper gdm[505]: Gdm: GdmLocalDisplayFactory: received VT change event
8月 07 06:10:38 sniper gdm[505]: Gdm: GdmLocalDisplayFactory: VT changed from 1 to 2
8月 07 06:10:38 sniper gdm[505]: Gdm: GdmLocalDisplayFactory: active VT is not initial VT, so ignoring
8月 07 06:10:40 sniper gdm[505]: Gdm: GdmLocalDisplayFactory: received VT change event
8月 07 06:10:40 sniper gdm[505]: Gdm: GdmLocalDisplayFactory: VT changed from 2 to 3
8月 07 06:10:40 sniper gdm[505]: Gdm: GdmLocalDisplayFactory: active VT is not initial VT, so ignoring
8月 07 06:10:42 sniper gdm[505]: Gdm: GdmLocalDisplayFactory: received VT change event
8月 07 06:10:42 sniper gdm[505]: Gdm: GdmLocalDisplayFactory: VT changed from 3 to 4
8月 07 06:10:42 sniper gdm[505]: Gdm: GdmLocalDisplayFactory: active VT is not initial VT, so ignoring
8月 07 06:10:44 sniper gdm[505]: Gdm: GdmLocalDisplayFactory: received VT change event

lucmann

lucmann

• Describing on which device the buffer has been allocated on is not enough: on some setups the buffer may have been allocated on one device but may still be directly accessible without any move on another device. For instance, on a split render/display system, a buffer allocated on the display device can be directly rendered to from the render device.

lucmann

SRCS := $(wildcard *.json)
OBJS := $(patsubst %.json,%.svg, $(SRCS))

all: $(OBJS)

$(OBJS): %.svg: %.json
	npx bit-field --hspace 1800 --lanes $(shell echo $< | grep -o -E '[0-9]*') --vflip --hflip -i $< > $@

clean:
	rm -f $(OBJS)

lucmann

fails=(); for i in `seq 1 8`; do fails+=("$i"); done; echo "${fails[@]}"

lucmann

• 默认输出是 stderr, 而不是 stdout
• -o 1.log -ff 每个进程生成单独的文件，后缀是 $PID

lucmann

• kernelconfig.io
• vulkan.gpuinfo.org
• deviceranks.com
• godbolt.org
• wumbo.net 查数学符号相关的

lucmann

• Interact Methods (open/close, ioctls, mmap)
• DMABUF (V4L2 Streaming I/O)
• Image Formats
  • v4l2_pix_format vs drm_format (V4L2_PIX_FMT_ in videodev2.h vs DRM_FORMAT_ in drm_fourcc.h)
  • FourCC (Four Character Codes)
  • ColorSpaces
  • Depth Format (V4L2_PIX_FMT_Z16 vs DRM 没有 Depth Format)
  • Popular Data Formats
    • RGB565
• Platform-specific Device Support