On Tue, Nov 23, 2010 at 11:24:49PM +1100, Nick Piggin wrote: > Hi, > > Running parallel fs_mark (0 size inodes, fsync on close) on a ramdisk > ends up with XFS in funny patterns. > > procs -----------memory---------- ---swap-- -----io---- -system-- > ----cpu---- > r b swpd free buff cache si so bi bo in cs us sy > id wa > 24 1 6576 166396 252 393676 132 140 16900 80666 21308 104333 1 84 14 1 > 21 0 6712 433856 256 387080 100 224 9152 53487 13677 53732 0 55 45 0 > 2 0 7068 463496 248 389100 0 364 2940 17896 4485 26122 0 33 65 2 > 1 0 7068 464340 248 388928 0 0 0 0 66 207 0 0 100 0 > 0 0 7068 464340 248 388928 0 0 0 0 79 200 0 0 100 0 > 0 0 7068 464544 248 388928 0 0 0 0 65 199 0 0 100 0 > 1 0 7068 464748 248 388928 0 0 0 0 79 201 0 0 100 0 > 0 0 7068 465064 248 388928 0 0 0 0 66 202 0 0 100 0 > 0 0 7068 465312 248 388928 0 0 0 0 80 200 0 0 100 0 > 0 0 7068 465500 248 388928 0 0 0 0 65 199 0 0 100 0 > 0 0 7068 465500 248 388928 0 0 0 0 80 202 0 0 100 0 > 1 0 7068 465500 248 388928 0 0 0 0 66 203 0 0 100 0 > 0 0 7068 465500 248 388928 0 0 0 0 79 200 0 0 100 0 > 23 0 7068 460332 248 388800 0 0 1416 8896 1981 7142 0 1 99 0 > 6 0 6968 360248 248 403736 56 0 15568 95171 19438 110825 1 79 21 0 > 23 0 6904 248736 248 419704 392 0 17412 118270 20208 111396 1 82 17 0 > 9 0 6884 266116 248 435904 128 0 14956 79756 18554 118020 1 76 23 0 > 0 0 6848 219640 248 445760 212 0 9932 51572 12622 76491 0 60 40 0 > > Got a dump of sleeping tasks. Any ideas? Oh, this is with a lot of kernel debug options, including xfs debugging turned on. So it might not be an interesting performance measurement. _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
