Re: firefox sucking up 102% of the CPU

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On Fri, 2007-10-19 at 07:06 -0400, Robert P. J. Day wrote:
> on a fairly regular basis, firefox just drags the system to its
> knees, like right now on my fedora test system, where "top" shows it
> currently bouncing between using 101% and 102% of the CPU.  that
> *can't* be right.  :-)
> 
> rday
> 


Actually it can. (My dual dual core Opteron running a one of my servers
under load)

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 6282 gilboa    20   0  640m 534m  648 S  361 13.5   0:16.45 userbase

A multithreaded application (such as firefox) can eat 100% CPU -per-
core.
If you have a P4 with hyper-threading (or above), a single process can
eat 200% (or above)...

Never the less, firefox should not eat 102% CPU... were you running a
flash-something or a heavy java applet at the time?

- Gilboa


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