kernel profiling: spinlock_exit consumes 36% CPU time.

John Baldwin jhb at
Wed Oct 8 19:11:02 UTC 2008

On Wednesday 08 October 2008 03:51:48 am 邱剑 wrote:
> Many thanks for the information.
> Could we say that interrupt handlers consumed ~36% execution time?
> Is this number too high? Is it possible that we abuse the use of critical
> sections in kernel?

I think whether or not it is high depends on the workload.

John Baldwin

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