Martin, On Sat, 2007-04-14 at 12:09 +0200, Martin Peschke wrote: > 2.6.21-rc* kernels come with a feature that adds timer statistics > to /proc/timer_stats (CONFIG_TIMER_STATS). This patch set makes it use > the proposed statistics infrastructure (-mm tree), and adds prequisite > functions to the statistics code. > > The result are noticeable lines of code savings. > kernel/time/timer_stats.c which comes with several functions which can > be made redundant by using corresponding functions of lib/statistic.c, > that is: > > - accounting > - printing output in sequential files > - user interface for switching accounting on/off, reset etc. > - measuring the accounting time > - per-cpu optimisations > > Function that were missing in lib/statistics, and which are added by > this patch set, are: > > - allow arbitrary keys for statistics entries (e.g. structures) > - allow client to label output of statistics entries (e.g. using keys) > > A secondary effect of the patch set is that we won't add another entry > to good old /proc. The statistics infrastructure uses debugfs. > > This patch set is a prototype that works for me, but which might allow > for optimisations. Suggestions are welcome. I'm a bit short of time to take a closer look, but on the first glance it looks good to me. I give it a whirl, when I'm back from travelling. tglx - To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html