tool to see requests that consume lots of CPU over time?

Is there any utility to help identify HTTP requests that are using a
high percentage of CPU, consistently over a period of, say, 20 or 30
seconds?

"top" shows the the httpd process that are high CPU users at any given
moment, but the trouble is that in order to identify individual
processes that are using a lot of CPU, you have to keep track of
visually of several process IDs that are at the top of the list, since
the processes at the top keep shifting around. You'd have to have a
very good eye to spot all the PID numbers that stayed at or near the
top of the list (since they keep changing relative positions) and
filter out all the ones that disappear after a second or two. Same
problem if you install the server-status module and keep reloading /
server-status/ .

Surely it must be quite common for people to want to identify the
requests that are using a lot of CPU over time, so there must be some
way to do this?

-Bennett

Re: tool to see requests that consume lots of CPU over time?

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