Andrew Morton has a sleepometer in 2.5.72-mm2.
http://marc.theaimsgroup.com/?l=linux-kernel&m=105566712123250&w=2
Below is the results after running dbench, tiobench, and bonnie++ several times
on a uniprocessor x86 machine writing to a single IDE drive.
grep jfs /proc/sleepo |
sort -k3,4rn|awk '{printf "%-38s %8d %15d %8d %10d\n", $1, $2, $3, $4, $5}'
file:line(sleep_type) nr_sleeps total_usecs mean_usecs max_usecs
fs/jfs/jfs_logmgr.c:228(down) 965082 5.83622e+11 604738 32098389
fs/jfs/jfs_txnmgr.c:131(schedule) 275700 2.74733e+11 996492 53663322
fs/jfs/jfs_logmgr.c:715(schedule) 277540 2.27469e+11 819591 50528650
fs/jfs/jfs_metapage.c:74(schedule) 147183 1.40197e+11 952535 13259645
fs/jfs/jfs_logmgr.c:1742(schedule) 276002 1.57377e+10 57020 10849893
fs/jfs/inode.c:182(down_write) 41851 9.65467e+09 230691 32949022
fs/jfs/jfs_dmap.c:811(down_read) 96989 2907242627 29974 3785575
fs/jfs/inode.c:104(down) 885 1359085477 1535689 27355752
fs/jfs/jfs_extent.c:101(down) 554 1220746237 2203513 48985239
fs/jfs/jfs_dmap.c:905(down_write) 38522 501893026 13028 420663
fs/jfs/jfs_imap.c:1392(down) 226 135063468 597625 5451474
fs/jfs/namei.c:94(down) 121 104185339 861035 4165214
fs/jfs/jfs_imap.c:1415(down) 387 84457317 218235 3854161
fs/jfs/jfs_imap.c:1427(down) 161 83760011 520248 2995535
fs/jfs/jfs_imap.c:935(down) 87 28078716 322743 3813187
fs/jfs/jfs_imap.c:1430(down_read) 118 26162082 221712 825257
fs/jfs/jfs_imap.c:2457(down) 56 20181689 360387 2013141
fs/jfs/namei.c:458(down) 8 9889874 1236234 2982040
fs/jfs/namei.c:1121(down) 9 7740379 860042 4048466
fs/jfs/jfs_dmap.c:382(down_read) 201 6152263 30608 544954
fs/jfs/jfs_imap.c:1816(down_read) 34 6126298 180185 750890
fs/jfs/jfs_imap.c:2737(down_read) 66 3442726 52162 719267
fs/jfs/namei.c:459(down) 7 3095045 442149 1092976
fs/jfs/jfs_imap.c:1939(down_read) 20 3014393 150719 824298
fs/jfs/jfs_dmap.c:889(down_write) 74 2151065 29068 479364
fs/jfs/namei.c:220(down) 1 1998189 1998189 1998189
fs/jfs/namei.c:1122(down) 1 1353494 1353494 1353494
fs/jfs/jfs_imap.c:352(down_read) 4 1056631 264157 619421
fs/jfs/jfs_imap.c:2474(down_write) 31 965639 31149 130049
fs/jfs/jfs_logmgr.c:1457(schedule) 16 65511 4094 18191
fs/jfs/jfs_logmgr.c:1849(schedule) 3 58105 19368 24859
fs/jfs/jfs_logmgr.c:2008(schedule) 4 1659 414 569
--
Randy Hron
http://home.earthlink.net/~rwhron/kernel/bigbox.html
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