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Something I've done recently has messed up my cpu usage in OS X (Snow Leopard). Looking at Activity Monitor, I see normal programs and normal cpu usage (15-20%) for all user processes. But the "% System" is constantly running between 40% and 50%. Something is clearly wrong, but I can't figure out what is using all the CPU, since Activity Monitor or top seem to only show usage contributing to the "% User" statistic. Any ideas on where to look? |
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Just for the record, it was the "cupsd" process. It was only using less than one percent itself in user space, strange considering I wasn't printing anything and had just reboot. Killing it instantly made the cpu go down to normal. After rebooting and logging in, the CPU went back up again. So I removed the printer (Canon MX850 in this case) in System Preferences, downloaded and installed the driver, and added it back. So far no problems. |
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