what on earth is firefox up to?

[jdow]

On 2012/06/30 20:55, JD wrote:
> On 06/30/2012 08:17 PM, Tom Horsley wrote:
>> Every time I start firefox after recent updates, top
>> shows it periodically taking up to 50% of the CPU
>> even if I'm just looking at a simple page of plain
>> html (no scripts, not even any images) on my local
>> web server.
>>
>> This is ff 13.0.1 on x86_64 fedora 17.
>>
>> Any clues? Anyone see anything similar?
> 50% !!!???
> Huh.... consider yourself LUCKY!
> On my old unicore amd64 (3.7GHz "equivalent :) :) /smirk/)
> it escalates  sometimes to 95% of cpu.

top tends to be confusing that way.
Note this line from my machine at a time it said FF was at 87.8%:
Cpu(s): 13.6%us, 33.7%sy,  0.0%ni, 52.5%id,  0.0%wa,  0.0%hi,  0.2%si,  0.0%st

That was really 87.4% of the 13.6% user time that was consumed.

{^_^}