12-30: try Gang's patch on sles11 sp3

[renzhengeek]

188|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1434 msecs
 189|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1149 msecs
 190|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:22 msecs
 191|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1432 msecs
 192|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1653 msecs
 193|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1557 msecs
 194|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1605 msecs
 195|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1669 msecs
 196|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1601 msecs
 197|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1615 msecs
 198|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1596 msecs
 199|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1664 msecs
 200|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1602 msecs
 201|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1628 msecs
 202|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1746 msecs
 203|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1583 msecs
 204|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1670 msecs
 205|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1646 msecs
 206|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1677 msecs
 207|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1590 msecs
 208|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1590 msecs
 209|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1569 msecs
 210|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1610 msecs
 211|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1577 msecs
 212|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1602 msecs
 213|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:48 msecs
 214|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1367 msecs
 215|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1572 msecs
 216|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1596 msecs
 217|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1617 msecs
 218|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1552 msecs
 219|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1671 msecs
 220|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1859 msecs
 221|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1542 msecs
 222|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1621 msecs
 223|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1656 msecs
 224|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1636 msecs
 225|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1637 msecs
 226|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1564 msecs
 227|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1615 msecs
 228|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1547 msecs
 229|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1615 msecs
 230|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1561 msecs
 231|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1599 msecs
 232|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1635 msecs
 233|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1635 msecs
 234|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:88 msecs
 235|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:4 msecs
 236|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:561 msecs
 237|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:13 msecs
 238|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:122 msecs
 239|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:4 msecs
 240|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1017 msecs
 241|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1621 msecs
 242|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1655 msecs
 243|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1832 msecs
 244|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1666 msecs
 245|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1606 msecs
 246|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1661 msecs
 247|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1611 msecs
 248|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1658 msecs
 249|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1573 msecs
 250|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1616 msecs
 251|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1583 msecs
 252|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1694 msecs
 253|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:22 msecs
 254|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:129 msecs
 255|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:4 msecs
 256|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1923 msecs
 257|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1777 msecs
 258|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1482 msecs
 259|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1630 msecs
 260|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1722 msecs
 261|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1669 msecs
 262|     1     2     3     4     5     6     7     8     9    10 ... 1000 write time:1620 msecs

 375|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:782 msec
 376|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:721 msec
 377|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:745 msec
 378|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:789 msec
 379|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:744 msec
 380|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:761 msec
 381|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:58 msec
 382|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:75 msec
 383|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:400 msec
 384|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:130 msec
 385|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:259 msec
 386|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:179 msec
 387|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:735 msec
 388|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:734 msec
 389|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:791 msec
 390|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:783 msec
 391|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:773 msec
 392|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:747 msec
 393|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:979 msec
 394|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:797 msec
 395|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:767 msec
 396|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:764 msec
 397|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:754 msec
 398|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:784 msec
 399|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:774 msec
 400|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:740 msec
 401|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:765 msec
 402|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:778 msec
 403|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:770 msec
 404|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:748 msec
 405|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:725 msec
 406|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:778 msec
 407|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:753 msec
 408|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:747 msec
 409|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:733 msec
 410|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:810 msec
 411|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:717 msec
 412|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:75 msec
 413|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:263 msec
 414|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:1034 msec
 415|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:777 msec
 416|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:717 msec
 417|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:752 msec
 418|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:3 msec
 419|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:2 msec
 420|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:570 msec
 421|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:797 msec
 422|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:751 msec
 423|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:792 msec
 424|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:757 msec
 425|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:878 msec
 426|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:777 msec
 427|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:784 msec
 428|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:769 msec
 429|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:740 msec
 430|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:815 msec
 431|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:729 msec
 432|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:757 msec
 433|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:717 msec
 434|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:753 msec
 435|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:803 msec
 436|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:790 msec
 437|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:734 msec
 438|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:770 msec
 439|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:745 msec
 440|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:1034 msec
 441|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:537 msec
 442|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:963 msec
 443|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:750 msec
 444|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:790 msec
 445|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:733 msec
 446|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:740 msec
 447|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:727 msec
 448|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:750 msec
 449|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:739 msec
 450|     1     2     3     4     5     6     7     8     9    10 ... 1000 read time:764 msec

[renzhengeek]

reading

top - 11:34:39 up 18:15,  3 users,  load average: 1.06, 0.81, 0.42

writing

top - 11:35:10 up 18:15,  3 users,  load average: 2.11, 1.74, 1.00