On 10/14/2013 09:41 AM, Chen Gang wrote: > On 10/13/2013 07:05 PM, Paul E. McKenney wrote: >> On Tue, Oct 08, 2013 at 04:32:53PM +0800, Chen Gang wrote: >>> Hello Maintainers: >>> >>> In srcu_torture_stats(), if cpus are more than 1K, the PAGE_SIZE will >>> not be enough. >>> >>> In rcu_torture_printk(), the 'page' maximized size is 4096, it has a >>> function pointer for printing, which not tell its maximized length. >>> >>> Welcome any additional suggestions or completions. >> >> I never have run rcutorture on a system with that many CPUs. ;-) >> > > I guess most of members (include me), never have run under that case. > > >> Given that rcutorture is not used in production, my approach would be to >> fix this when I encountered it. But what change would you suggest, and, >> more importantly, how would you go about testing it before submitting >> a patch? >> > > OK, thanks, I will/should give a fix and test. > > Hmm, In my opinion, we need: > > - let it pass LTP common simple test (so I can know how to test it). >
Oh, after read "Documentation/RCU/torture.txt", it is a test module, so except related special test (e.g. shrink maximized buffer), it seems not need additional common test for it (e.g. LTP). > - intend to shrink maximized buffer (PAGE_SIZE -> 64, 256 ..) for test. > > - read your original mail again (about testing contents) as reference. > > Excuse me, I have to do some other things of company, so I will/should > try to finish it within this week (2013-10-20), if this time point is > not quite suitable, please let me know, thanks. > > >> Or if you are simply reporting this as a bug, please let me know that. >> > > I will/should do: in q4 of 2013, I will/should spend part of my time > resources on testing. > > > > Welcome any additional suggestions or completions. > > Thanks. > -- Chen Gang -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/