[High thread usage]Extremely high thread occupancy when using "pixel_format"="yuyv2rgb".

[zymouse]

@flynneva

reappear

• start usb_cam
• rqt_image_raw Subscribe to image_raw
• Use top to get the PID
• Use ps to get thread occupancy

TEST

test-1

• "pixel_format": "yuyv"
  ps p 1015861 -L -o pcpu,pid,tid,time,tname,cmd

test-2

• "pixel_format": "yuyv2rgb"
  ps p 1016275 -L -o pcpu,pid,tid,time,tname,cmd

Conclusion

yuyv2rgb :yuyv to rgb when a thread is over-occupied.