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 ========================================================================