Hi Brian On 01/12/2015 04:52 PM, Brian Foster wrote: > I can't see any symbols associated with the perf output. I suspect > because I'm not running on your kernel. It might be better to run 'perf > report -g' and copy/paste the stack trace for some of the larger > consumers. > Sorry, I rarely need to use perf and of course forgot that the intermediate output it tightly coupled to the running kernel. Attaching the output of perf report -g here. > > Sounds good. FWIW, something like the following should tell us how many > free inodes are available in each ag, and thus whether we have to search > for free inodes in existing records rather than allocate new ones: > > for i in $(seq 0 15); do > xfs_db -c "agi $i" -c "p freecount" <dev> > done > Another metric :) freecount = 53795884 freecount = 251 freecount = 45 freecount = 381 freecount = 11009 freecount = 6748 freecount = 663 freecount = 595 freecount = 693 freecount = 9089 freecount = 37122 freecount = 2657 freecount = 60497 freecount = 1790275 freecount = 54544 That looks... not really uniform to me. Cheers Carsten
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