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On Wed, 2006-11-08 at 02:21 -0800, Paul Jackson wrote: > Christoph wrote: > > On Sat, 4 Nov 2006, Paul Jackson wrote: > > > > > Do you know of any existing counters that we could use like this? > > > > > > Adding a system wide count of pages allocated or scanned, just for > > > these fullnode hint caches, bothers me. > > > > There are already such counters. PGALLOC_* and PGSCAN_*. See > > include/linux/vmstat.h > > > Andrew, > > I'm willing to take a shot at replacing the wall clock time > base with one of these vm counters, in my patch in *-mm: > > memory-page_alloc-zonelist-caching-speedup.patch > > But it will be a few weeks before I can get to it. > > I really need to do some other stuff first. The swap token code in -mm (which I still have to review) has a global fault counter to measure 'time'. Perhaps we can generalise that. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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