Adar Dembo wrote:
>
> I have some processes whose cpu usage I would like to monitor, and pipe
> into a file. As far as I know, top can't monitor a single process and
> send its cpu usage into a file, so I'm wondering what other programs
> might do this. This is a testing installation, on a computer without any
> GUI or anything sophisticated like that. Any help is greatly
> appreciated.
How about ps piped through grep and then sent to the file?
ps -Al | grep foo >> bar
If you just want cpu usage percent, try this:
ps -Ao "comm pcpu" | grep foo >> bar
Make it into a simple shell script with a loop and a delay if you want a
periodic output. Add a call to date if you want timestamps.
#!/bin/sh
while sleep 10; do
date +%H:%M:%S >> bar
ps -Ao "comm pcpu" | grep foo >> bar
done
There's about a million ways to skin this cat.
Brian
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