re: System Idle Process taking 95% of CPU
Monday, July 21, 2003 at 9:55 am
Windows XP Annoyances Discussion Forum
Posted by C K
(6910 messages posted)
OK.. So let me clarify.. The CPU does not recover from the idle process.. The
idle process is invoked and que'd when no work reaches the processor. This is the
fault of the operating system or other device not working correctly to get work TO
the processor which indeed can be caused by a service pack on a particular machine
for many reasons. I work on, as well as, have multiple machines myself as old as
5 years and have had none of the problems that others are having with service packs,
other than those which everyone is experiencing and MS is working on to correct.
I have had no problems with slow machines as have some people, which only means
that I don't have a problem device, driver or program loaded that could be causing
a problem as could someone else. The operating system, drivers and hardware can
all act as, (together, or by themselves) a bottleneck to keep work from the procesor,
resulting in a machine slowing to a crawl, and that will invoke the idle process.
When a machine is slow, check the CPU graph for a better representation of how much
work the CPU is doing. In 99.99% of cases you will see the CPU basically doing nothing.
It this case it it means that you have problems somewhere in software or hardware
ranging from conflicts/bugs to a bad device, bad driver etc. The CPU activity chart
and the idle process will always in my experience, (accept for a couple of hardware
instances mentioned) be proportionate to the CPU activity or when compared to the
combined time of all other processes. As far as service packs and vunerabilities,
of course, it is happening and happening a lot, and there will always be that problem.
Service packs can cause as many bugs as they are intending to fix, or at least it
can seem like it. That, unfortunatly will always be a problem with code and all
of the operating systems today suffer the same illness to some degree. MS just has
more problems due to the massive amount of installations world wide and it's popularity
as compared to other systems, and granted, there has been some sloppy programming
involved for sure.. The speed of patching isn't as fast as anyone would like to
see but it's not as easy to patch on todays systems as it was in systems 7 or 10
years ago. Things are much more complicted now. The more massive the code base,
the harder it may be to patch something. (as I can verify from my own coding experience)
On Sunday, July 20, 2003 at 5:33 pm, jeremy wrote:
>
>Im not saying the idle process is the cause of the problem. Im olny saying that
the
>problem arises after the service pack is installed.
>The result of wich Seems to be slow recovery of CPU from the idle process.
>This is a Guess as you are right i dont know jack for sure.
>My worry of attack is not over the idle process but over not Patching XP to avoid
>the problem as Most of the patches are security patches.
>
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