On 01/04/2017 11:19 AM, Michal Hocko wrote: > Hi, > this is the second version of the patchset [1]. I hope I've addressed all > the review feedback. > > While debugging [2] I've realized that there is some room for > improvements in the tracepoints set we offer currently. I had hard times > to make any conclusion from the existing ones. The resulting problem > turned out to be active list aging [3] and we are missing at least two > tracepoints to debug such a problem. > > Some existing tracepoints could export more information to see _why_ the > reclaim progress cannot be made not only _how much_ we could reclaim. > The later could be seen quite reasonably from the vmstat counters > already. It can be argued that we are showing too many implementation > details in those tracepoints but I consider them way too lowlevel > already to be usable by any kernel independent userspace. I would be > _really_ surprised if anything but debugging tools have used them. > > Any feedback is highly appreciated.
When patch-specific feedback is addressed, then for the whole series: Acked-by: Vlastimil Babka <vba...@suse.cz> > [1] http://lkml.kernel.org/r/20161228153032.10821-1-mho...@kernel.org > [2] http://lkml.kernel.org/r/20161215225702.ga27...@boerne.fritz.box > [3] http://lkml.kernel.org/r/20161223105157.gb23...@dhcp22.suse.cz > >
