Denys Vlasenko wrote:
> I don't understand.
>
> Waiting properly and consuming a lot of CPU time are different things.
> Waiting processes should use no CPU at all, unless they are poorly coded
> and wait for something by periodically polling: "did it happen?" "did it
> happen?" "did it happen?"..
Ken Teague wrote:
> I have two processes running on a Linux box that are consuming quite a
> lot of CPU time.
Scratch that. After digging around a bit more, I found that these
processes were waiting for I/O from other threads... just hanging out,
drinking a beer and consuming a lot of (CPU
I have two processes running on a Linux box that are consuming quite a
lot of CPU time. I ran strace -p on the main program itself and it shows:
futex(0x9fd7ef8, FUTEX_WAIT, 1, NULL
The main program also uses java, so I ran strace -p on the java process
ID and see:
futex(0xb7f88bd8, FUTEX_WAIT,
