by Frank de Bo » Fri, 13 Jun 2003 06:58:58
is it somehow possible to log process creation (Globaly) and information
like total CPU time, max memory usage, etc? I often wonder what kind of
processes are running, by who, etc. (The most what's wondering me is how
much CPU mysql is realy consuming, but that's not the question here ;-))
Thanks in advanced,
Frank de Bot
by dav.. » Fri, 13 Jun 2003 14:06:10
Sure, run any kind of monitoring system like "the big brother" or BCNU.Quote:> is it somehow possible to log process creation (Globaly) and information
> like total CPU time, max memory usage, etc?
Davide
by Stu » Fri, 13 Jun 2003 14:15:58
http://en.tldp.org/HOWTO/mini/Process-Accounting/
Stu
> is it somehow possible to log process creation (Globaly) and information
> like total CPU time, max memory usage, etc? I often wonder what kind of
> processes are running, by who, etc. (The most what's wondering me is how
> much CPU mysql is realy consuming, but that's not the question here ;-))
> Thanks in advanced,
> Frank de Bot
1. Find exact creation time of a process; not kill a wrong process
(1)
Is there a portable way in Shell, Perl, other tools to find
the exact number of seconds since epoch of a process?
timestamp on /proc/<pid> disqualifies as it is not portable,
Linux /proc/<pid> is always current time.
"current time - elapsed time from ps" disqualifies as
current time and elapsed time from ps are taken at different
times, it may be off by a few seconds.
(2)
How can I kill a process without worrying killing a wrong process?
For example,
some_process & pid=$!
kill $pid
The $pid may be a recycled new process.
I am building an application used on space shuttle, and need
100% reliability. Please help.
Thanks.
--
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