On Thu, Oct 03, 2002 at 07:30:13PM -0300, Rik van Riel wrote:
> A third option could be a /proc/$pid/backtrace file which
> contains the whole backtrace for a process and teach procps
> to ignore certain functions.
It should really be a separate filesystem, though....
> I prefer your solution, though ;)
There's another problem with the way wchan is currently calculated: it's
relatively expensive to calculate. Many of the readers of stat don't actually
care about it. By making wchan a value in the task structure, the cost of
reading it is trivial.
-ben
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