David Erickson daviderickson
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| ffmpeg -f v4l2 -video_size 1920x1080 -framerate 30 -i /dev/video0 \ | |
| -filter_complex \ | |
| "[0:v]setpts=PTS-STARTPTS[bg]; \ | |
| [bg]overlay=shortest=1" \ | |
| -c:v libx264 output.mkv |
daviderickson
/ writes.dtrace
Last active
March 5, 2022 19:34
Dtrace script to print all written-to files in FreeNAS, and their average write rate every 10 seconds.
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| #!/usr/sbin/dtrace -s | |
| #pragma D option quiet | |
| #pragma D option defaultargs | |
| #pragma D option switchrate=10hz | |
| #pragma D option dynvarsize=4m | |
| #pragma D option cleanrate=30hz | |
| dtrace:::BEGIN | |
| { |