What is "System Event"?

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Posted:
in macOS edited January 2014
I periodically check top to see how my processor usage is going (usually when my fan comes on to make sure it's just cooling rather than some process/application hogging the CPU) and I always see this:



Code:




434 System Eve 15.0% 13:36.11 1 52 67 1.30M 3.68M 11.5M 73.6M









It's not always at 15%. Sometimes it'll drop down the top -u page and then bounce back up after a few seconds. I have no idea what it is. Can anyone tell me?

Comments

  • Reply 1 of 6
    baumanbauman Posts: 1,248member
    Are you running any konfabulator widgets? Applescripts?



    System Events is the program that you can use Applescript through to control UI elements in Apps. It's the intermediary. I'm sure it does more that that, but that's all I've ever used it for/seen it used.



    And quote (not code) that line so the formatting doesn't get all messed up.
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  • Reply 2 of 6
    torifiletorifile Posts: 4,024member
    I'm not running any Apple Scripts or Kon widgets. I'm not sure what I'm running that could be do it, to be honest. Maybe weatherpop?



    edit: I just quit wp and salling clicker and no change.



    Quote:

    434 System Eve 16.8% 15:28.29 1 57 96 1.35M 3.27M 11.1M 100M



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  • Reply 3 of 6
    type:



    ps -auxww



    in your terminal. This may give you more details.
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  • Reply 4 of 6
    costiquecostique Posts: 1,084member
    System Events is automatically launched when you enable Folder Actions, for example.



    I just tried the following script in Script Editor:
    Code:


    on run

    tell application "System Events" to quit

    end run



    and it gracefully shut that down.
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  • Reply 5 of 6
    alcimedesalcimedes Posts: 5,486member
    are you indexing your HD's by any chance?
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  • Reply 6 of 6
    torifiletorifile Posts: 4,024member
    Aha! costique got it! I'm having a folder action notify me when I download something. Damn, they are proc hogs. Gotta quit that. Thanks.
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