On 2012/07/01 00:27, JD wrote:
On 07/01/2012 12:39 AM, jdow wrote:
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
This is ff 13.0.1 on x86_64 fedora 17.
Any clues? Anyone see anything similar?
Huh.... consider yourself LUCKY!
On my old unicore amd64 (3.7GHz "equivalent
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.
in <kernel source>/include/linux/taskstats.h
The comment reads:
/* cpu "virtual" running time
* Uses time intervals seen by the kernel i.e. no adjustment
* for kernel's involuntary waits due to virtualization.
* Value is cumulative, in nanoseconds, without a corresponding count
* and wraps around to zero silently on overflow
Hm, please define virtualization in this context. I am running a flat
SL6.2 system with no virtual machine in the box at all.
Note that you get 100% if you add up all the values on that line.
There is no way you can get 87.4% cpu usage out of those numbers
without claiming some of the idle time is used by firefox without
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