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I love System Load Indicator (indicator-multiload), but it doesn't reflect the usage of the individual CPU cores, just the overall CPU usage. Sometimes I'll have an application max out a single core (ahem, Eclipse), but when I glance at the CPU usage graph, everything looks acceptable.

I know I can just open Htop, but the whole point of an application indicator is being able to get the information you want with a glance, not keystrokes. Thanks.

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Have you tried conky? – Peachy Jul 16 '12 at 4:43
Is there a way to make conky display as an indicator? – Jason Hartley Jul 17 '12 at 1:42
Yes I know about gnome-system-monitor too, and it does show usage per core, but that's not an indicator application, is it? I still miss the huge advantage of showing that information with Unity at the top of your screen, like you do have with Gnome. – Maarten Aug 27 '12 at 9:26

This is for Ubuntu 14.04 and later.

  1. Install indicator-sysmonitor

    sudo add-apt-repository ppa:fossfreedom/indicator-sysmonitor
    sudo apt-get update
    sudo apt-get install indicator-sysmonitor
  2. Run it

  3. Click on its indicator → Preferences → Advanced tab
  4. Change label from cpu: {cpu} mem: {mem} to cpu: {cpu0}{cpu1} mem: {mem}. Add whatever as CPU cores you have.
  5. Save

    indicator-sysmonitor: cpu cores usage indicator


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Gnome System Monitor shows system load per core for me,

It should have come with your installation, but if not then: sudo apt-get install gnome-system-monitor

resources tab

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He wants an app indicator, not app... – izx Jul 16 '12 at 3:03

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