Linux Kernel Network Subsystem Patching

[Bob Jonkman]

Walter Dnes wrote:
>2) When you get to a shell, can you run top?
[...]
>Issue a kill -3 <PID>

You can do that directly from 'top' with the 'k' keystroke, so you can
see the effect of killing the process immediately.

--Bob.



On 14-01-11 07:48 PM, Walter Dnes wrote:
> On Sat, Jan 11, 2014 at 06:59:12PM -0500, Aruna Hewapathirane wrote
>>> " lighter and faster"  that means go with the "GCC screen saver"
>> linux distribution or as its also known by the name  gentoo.   >:)
>>
>> Let me clarify and explain the need 'why' I want it 'lighter and
>> faster' .  I have a ancient D915 motherboard ( Please don't laugh )
>> with 2GB Ram and on board integrated video with a Intel(R) Pentium(R)
>> 4 CPU runni9ng at 3.06GHz.
>>
>> Recently I noticed top showing me a lot more than the usual load
>> average and I thought let me hyperthread, enabled in BIOS but
>> strangely some applications actually took longer to load and some
>> were slow than before ?
> 
>   "Hyperthreading" isn't all it's cracked up to be.  In theory it's
> supposed to help a lot, in practice it can actually slow down a machine,
> as you've seen.
> 
>> While compiling the kernel it took for ever, and if I render something in
>> Blender I can go get groceries from No-Frills drop in at cafe time to say
>> hello to my crack head buddies and have a ciggy then walk home only to see
>> it's still not done. Takes a long time so these are a few reasons I want to
>> comiple and tweak a kernel that matches my hardware and hopefully will have
>> a responsive system again instead of this sluggish beast that is a pain to
>> work on at times :-)
> 
>   [...deletia...]
>  
>> I will checkout gentoo thank's ted.
> 
>   As a gentoo user myself, I would *NOT* recommend gentoo as the cure for
> your problem...
> 
> 1) Gentoo is source-based, you will be compiling kernels and everything
> else you update.  If you dislike doing an occasional kernel rebuild,
> forget gentoo.  There's recompiling of various applications and
> libraries each update (say approx every 2 weeks).
> 
> 2) A gentoo-optimized machine will be somewhat faster, but your machine
> has no business running blender.  I had an Intel Core 2 with onboard
> Intel GPU, and it had problems keeping up with NHL Gamecentre Live on
> the slowest stream.  Sorry, you need a newer more powerful machine...
> period... end of story.
> 
>> Oh, the desktop ( am running gnome classic ) sudeenly totally freezes
>> and the only way out is to CTRL+F1 and drop into a shell then sudo
>> shutdown -r now which I am getting weary of now...
> 
> 1) gnome (even the classic version) is a resource hog.  Can you switch
> to a "mere" window manager like ICEWM?  Doing that should provide a bit
> of a performance boost.
> 
> 2) When you get to a shell, can you run top?  The PID (process ID) is
> the first column on the left.  At the top of the display you may see a
> process taking a ridiculous "%CPU" or "%RAM".  If it's not X or a system
> proc, you may be able to kill it, and return to your desktop.  Issue a
> 
> kill -3 <PID>
> 
> If that doesn't kill it, try
> 
> kill -9 <PID>
> 
> or if that fails, try
> 
> kill -15 <PID>
> 

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