I cant find a way to capture htop output for a single process about IO_RATE IO_READ_RATE IO_WRITE_RATE.
I need it (the last few seconds IO (or just 1s), not the overall accumulated IO) to determine if a process is not working well to auto-restart it.
I cant use iotop as it requires root and that will complicate my work flow, mostly because it is clearly unnecessary.
I went thru everything I could at /proc/$PID/... but found nothing I could use about IO in bytes. Not that is it not there, just that I could not find it.
So, a way to grab htop output thru a pipe could also suffice as a workaround, but is not what I am asking.
I can already grab top output about %CPU, but that is not enough, and I could not find IO data in top.
Below, every answer elsewhere is bout iotop (no) or htop (unable to capture output) or other apps that did not help, so I decided to ask this question:
monitor IO of a running user's executable file read/write
https://stackoverflow.com/questions/469159/an-htop-like-tool-to-display-disk-activity-in-linux (if atop can do it, I still dont get how...)