system idle process

[George2]

Hello everyone,


In your experience, what is system idle process doing? In my experience, this means system is (CPU is waiting for) doing some I/O,

1. like hard page fault;
2. waiting for information from network.

Are there any other cases which will cause system idle process happen and consume a non-neglitible percentage of CPU?


thanks in advance,
George

[MrViggy]

Actually, the system idle process does, well, nothing:

http://en.wikipedia.org/wiki/System_idle_process

There are other "processes" that are part of the kernel that wait for I/O, etc. Not the idle process.

Viggy

[George2]

Thanks Viggy,


Sorry that I may not make myself understood. My questions is, what reasons may make system idle process run and consume a non-neglectible percentage of CPU?

Like waiting for file/network I/O will cause idle process happen?

Actually, the system idle process does, well, nothing:

http://en.wikipedia.org/wiki/System_idle_process

There are other "processes" that are part of the kernel that wait for I/O, etc. Not the idle process.

Viggy


regards,
George