Re: why unlikely(rsv) in ext3_clear_inode()?

Theodore Tso
2008-10-28T00:13:43Z

On Mon, Oct 27, 2008 at 07:32:11PM -0400, Steven Rostedt wrote:
> Attached is a patch that I used for counting.
>
> Here's my results:
> # cat /debug/tracing/ftrace_null
> 45
> # cat /debug/tracing/ftrace_nonnull
> 7
>
> Ah, seems that there is cases where it is nonnull more often. Anyway, it
> obviously is not a fast path (total of 52). Even if it was all null, it is
> not big enough to call for the confusion.

Silly question --- what was your test workload?

- Ted