Re: why is fedora/npviewer.bin crippling my system?

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On Sun, 23 Mar 2008, Jeff Voskamp wrote:

> Chris G wrote:
> > On Sun, Mar 23, 2008 at 06:26:44AM -0400, Robert P. J. Day wrote:
> >
> > >   it's always been bad but now it's gotten worse -- over the last few
> > > weeks, the combination of firefox and npviewer.bin is just crushing my
> > > machine in terms of response.
> > >
> > >   "top" shows that the combo of those two programs is regularly
> > > chewing up from 100 to 150 per cent of my CPU (if not more).  is this
> > > normal?  is this what others are seeing?  because if firefox 3 turns
> > > out to be the same kind of processor hog, it's going to be time to
> > > dump firefox for good.
> > >
> > >
> > "100 to 150 per cent of my CPU", doesn't make a lot of sense, are you
> > sure it means what you think it means?
> >
> It makes sense if you have hyperthreading or a multi-core system.
> Top gives processor percentages in terms of a single processor, so on a busy
> multicore machine you can hit 300-400% CPU.

precisely.

$ cat /proc/cpuinfo
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 14
model name	: Genuine Intel(R) CPU           T2250  @ 1.73GHz
stepping	: 8
cpu MHz		: 1733.000
cache size	: 2048 KB
physical id	: 0
siblings	: 2
core id		: 0
cpu cores	: 2
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc arch_perfmon bts pni monitor est tm2 xtpr
bogomips	: 3461.30
clflush size	: 64

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 14
model name	: Genuine Intel(R) CPU           T2250  @ 1.73GHz
stepping	: 8
cpu MHz		: 800.000
cache size	: 2048 KB
physical id	: 0
siblings	: 2
core id		: 1
cpu cores	: 2
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc arch_perfmon bts pni monitor est tm2 xtpr
bogomips	: 8506.86
clflush size	: 64

rday
--
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry:
    Have classroom, will lecture.

http://crashcourse.ca                          Waterloo, Ontario, CANADA
========================================================================


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