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Dramatically reduce the CPU usage of 'top'
according to the iPulse documentation (an app that monitors system resources, cpu load, etc) a process that monitors itself is notoriously inaccurate
Dramatically reduce the CPU usage of 'top'
I'm the author of another system monitor application called XRG. In the latest version, I added the ability to control-click on the CPU graph and it will show you the 5 processes using the most CPU time. I have found that more often than not, XRG will display itself as using much more CPU time than it is really using (10-15% instead of 3-4% shown by top and Activity Monitor). I believe this is caused by the code module I use to get the process CPU usage statistics. Every time the menu is activated, it takes some time to grab CPU usages and that skews the results that I get for the XRG app itself. I haven't been able to come across a way to avoid this issue, aside from spending extra CPU time always by constantly keeping an updated list of process CPU usage. Anyway, my two cents,Mike Piatek-Jimenez
Dramatically reduce the CPU usage of 'top'
...a process that monitors itself is notoriously inaccurate Isn't that the basis of quantum mechanics? I guess that means quantum computing is here!
Dramatically reduce the CPU usage of 'top'
I'm the author of iPulse and the quote mentioned in the parent post...
Dramatically reduce the CPU usage of 'top'
But why is this different on Linux? Wheter I look at a Dual-Xeon or an old Pentium III server I always get a load for top of less than 2%.
Dramatically reduce the CPU usage of 'top'
I just ran two copies of top, and compared their monitoring of each other. One was the modified version mentioned here, the other was plain-jane /usr/bin/top. /usr/bin/top and 'ttop' agreed within a couple of percent on CPU usage by /usr/bin/top. The differences went both positive and negative (that is, there was no bias by either copy of top in either direction). |
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