Kernel 2.4.x & 2.4.1-preX Latency results

Shawn Starr (Shawn.Starr@Home.net)
Sat, 20 Jan 2001 18:39:31 -0500


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I've included the TPT latency timings.

Do these look normal?

These tests occured in X with netscape and gnomeicu.

It should be noted that /dev/tty12 is being used for syslog info for
console.

Shawn.

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Destination Count Min Max Average Total

do_IRQ.in:0 ->
irq.c:437 2281 2.59 7.79 4.64 10,602.21
do_IRQ.out:0 9 13.39 18.85 17.23 155.14
softirq.c:71 5839 10.19 29.96 14.81 86,487.67

softirq.c:174 ->
softirq.c:177 5848 .72 1.10 .74 4,350.14

timer.c:657 ->
timer.c:664 5848 1.03 7.30 1.95 11,429.92

timer.c:290 ->
timer.c:314 2965 1.04 10.20 1.72 5,122.29
timer.c:323 2883 .90 8.64 1.31 3,786.21

softirq.c:129 ->
softirq.c:132 22 .73 .85 .75 16.69

console.c:2020 ->
console.c:2044 20 2.50 2,189.42 113.99 2,279.94

softirq.c:83 ->
sched.c:661 60 4.86 8.08 5.43 325.98
sched.c:591 483 3.15 10.00 5.57 2,692.64
do_IRQ.out:0 5990 .70 1.75 .90 5,441.94
softirq.c:71 83 .78 .89 .82 68.23

sched.c:702 ->
sched.c:737 11998 .77 6.92 2.35 28,281.37

page_alloc.c:105 ->
page_alloc.c:137 10981 .93 3.93 1.68 18,486.39

slab.c:1298 ->
slab.c:1322 219754 .83 4.22 1.11 245,026.41
slab.c:1329 21 .85 1.50 1.07 22.67

slab.c:1107 ->
slab.c:1118 21 1.11 1.70 1.29 27.21

page_alloc.c:181 ->
page_alloc.c:198 11257 1.28 7.78 2.59 29,256.21

slab.c:1149 ->
slab.c:1159 21 .83 1.11 .88 18.65

softirq.c:60 ->
softirq.c:71 27 .81 1.40 .99 26.95

fork.c:688 ->
fork.c:696 3 3.68 4.00 3.88 11.66

sched.c:336 ->
sched.c:343 2096 .87 4.20 1.88 3,949.99

slab.c:1582 ->
slab.c:1586 218942 1.07 6.92 1.60 350,699.01

fork.c:51 ->
fork.c:54 38 .83 1.10 .89 33.91

sched.c:666 ->
sched.c:591 272 1.21 1.77 1.31 357.98

fork.c:61 ->
fork.c:63 80150 .75 3.86 .90 72,482.23

sched.c:784 ->
sched.c:661 40 2.82 5.13 3.20 128.27
sched.c:591 1182 2.39 9.84 3.24 3,831.06

signal.c:1053 ->
signal.c:1056 13 .87 2.20 1.24 16.13

fork.c:41 ->
fork.c:44 80112 .78 2.67 1.04 83,981.73

timer.c:180 ->
timer.c:184 9557 .83 3.07 1.60 15,293.84

timer.c:316 ->
timer.c:314 1513 .80 3.24 1.32 1,998.37
timer.c:323 2965 .82 1.81 1.08 3,224.91

timer.c:218 ->
timer.c:221 9395 .76 1.83 1.02 9,588.75

time.c:262 ->
time.c:271 420717 .86 3.42 1.18 498,929.85

pc_keyb.c:485 ->
pc_keyb.c:487 19 12.84 33.29 22.62 429.84

irq.c:446 ->
sched.c:591 4 7.50 9.29 8.70 34.80
do_IRQ.out:0 2130 1.80 5.25 3.03 6,462.64
softirq.c:71 151 2.40 4.38 3.40 514.36

irq.c:476 ->
irq.c:481 1 2.32 2.32 2.32 2.32

irq.c:523 ->
irq.c:542 1 2.10 2.10 2.10 2.10

ide.c:1536 ->
ide.c:1604 196 2.55 7.75 4.70 921.63

ide.c:538 ->
ide.c:547 196 2.31 4.52 3.21 629.29

ide.c:1359 ->
ll_rw_blk.c:385 59 .93 1.13 .94 55.96
ide.c:1625 137 .94 1.59 1.11 152.09

sched.c:536 ->
sched.c:661 172 1.16 2.54 2.01 347.38
sched.c:591 15729 .90 5.15 2.01 31,658.35

sched.c:786 ->
sched.c:786 1222 .86 1.34 1.04 1,272.31

ll_rw_blk.c:161 ->
ll_rw_blk.c:163 637 .97 3.23 1.29 826.09

ll_rw_blk.c:772 ->
ll_rw_blk.c:840 1 27.32 27.32 27.32 27.32
ll_rw_blk.c:869 637 2.36 47.10 5.80 3,698.34

softirq.c:297 ->
softirq.c:300 1827 .77 1.51 .88 1,618.10

ll_rw_blk.c:383 ->
ll_rw_blk.c:385 1 .80 .80 .80 .80
ide.c:1357 59 2.55 9.76 5.51 325.17

/usr/src/linux/include/linux/tqueue.h:86 ->
/usr/src/linux/include/linux/tqueue.h:88 1685 .76 1.52 .89 1,513.41

timer.c:205 ->
timer.c:209 239 .88 3.83 1.82 435.64

skbuff.c:136 ->
skbuff.c:138 7266 .78 1.45 .90 6,539.92

slab.c:1563 ->
slab.c:1565 1635 1.07 3.77 1.36 2,229.26

n_tty.c:132 ->
n_tty.c:134 6 .90 1.31 1.03 6.19

n_tty.c:810 ->
n_tty.c:846 3 3.28 4.54 3.97 11.91

fcntl.c:454 ->
fcntl.c:478 3 .81 4.35 2.25 6.75

tty_ioctl.c:104 ->
tty_ioctl.c:114 7 2.25 11.46 7.08 49.58

console.c:2299 ->
console.c:2301 20 .80 2.62 .93 18.74

console.c:1862 ->
console.c:1980 10 1.34 98.74 16.40 164.01

signal.c:839 ->
signal.c:859 30597 .83 4.24 1.13 34,729.71

signal.c:865 ->
signal.c:867 14143 .75 1.58 .83 11,750.34

skbuff.c:121 ->
skbuff.c:123 7245 .89 2.41 1.37 9,961.90

/usr/src/linux/include/linux/skbuff.h:527 ->
/usr/src/linux/include/linux/skbuff.h:529 17104 .77 2.17 1.04 17,820.40

signal.c:116 ->
signal.c:124 3 3.93 4.67 4.22 12.67

exit.c:384 ->
exit.c:418 3 8.02 16.81 11.24 33.74

/usr/src/linux/include/linux/sched.h:851 ->
/usr/src/linux/include/linux/sched.h:856 3 2.27 2.81 2.56 7.68

signal.c:604 ->
signal.c:606 3404 3.39 12.38 5.49 18,720.25

signal.c:571 ->
signal.c:575 3404 .89 1.46 .98 3,360.16

signal.c:265 ->
signal.c:268 3386 .78 1.59 .93 3,171.32

dev.c:1127 ->
dev.c:1139 113 1.08 2.75 1.77 200.93

dev.c:1326 ->
dev.c:1328 226 .73 1.31 .90 204.20

dev.c:1426 ->
dev.c:1434 113 .83 .96 .89 100.76

signal.c:528 ->
signal.c:546 3930 1.28 14.86 6.21 24,427.82

/usr/src/linux/include/linux/skbuff.h:479 ->
/usr/src/linux/include/linux/skbuff.h:481 7003 .78 1.84 .95 6,657.46

/usr/src/linux/include/linux/interrupt.h:163 ->
/usr/src/linux/include/linux/interrupt.h:167 1 1.07 1.07 1.07 1.07

tty_io.c:1892 ->
tty_io.c:1898 848 .85 1.58 1.05 893.72

n_tty.c:105 ->
n_tty.c:107 4 .87 1.45 1.14 4.58

tty_io.c:1884 ->
tty_io.c:1898 847 .94 2.35 1.31 1,111.29

n_tty.c:165 ->
n_tty.c:173 2463 1.00 2.21 1.17 2,892.53

n_tty.c:917 ->
n_tty.c:919 3300 .80 1.51 .91 3,013.56

n_tty.c:924 ->
n_tty.c:927 1650 .78 1.43 .87 1,437.68

serial.c:1203 ->
serial.c:1441 1 68.33 68.33 68.33 68.33

serial.c:2760 ->
serial.c:2796 1 3.64 3.64 3.64 3.64

serial.c:1939 ->
serial.c:1941 1 .76 .76 .76 .76

signal.c:107 ->
signal.c:111 25 .92 1.52 1.21 30.42

3c59x.c:1835 ->
3c59x.c:1855 118 3.41 5.40 4.26 502.75

/usr/src/linux/include/linux/netdevice.h:533 ->
/usr/src/linux/include/linux/netdevice.h:537 118 .76 1.25 .95 112.90

dev.c:1226 ->
dev.c:1229 118 .79 .89 .83 98.79

ide.c:1606 ->
ide.c:1625 59 2.07 5.44 3.22 190.08
ide.c:1357 137 1.71 6.27 3.20 439.65

ide.c:513 ->
ide.c:522 637 1.40 21.50 4.74 3,025.48

serial.c:1770 ->
serial.c:1790 2 9.48 10.14 9.81 19.62

serial.c:1469 ->
serial.c:1565 1 32.78 32.78 32.78 32.78

n_tty.c:727 ->
n_tty.c:741 1700 1.17 4.52 2.25 3,834.61

/usr/src/linux/include/linux/skbuff.h:432 ->
/usr/src/linux/include/linux/skbuff.h:434 2823 .77 1.37 .82 2,320.72

slab.c:1735 ->
slab.c:1817 2 8.20 10.30 9.25 18.51
slab.c:1783 47 .98 3.39 1.57 74.02

serial.c:1073 ->
serial.c:1091 5 7.75 11.27 9.87 49.39

slab.c:1794 ->
slab.c:1817 1 1.55 1.55 1.55 1.55

slab.c:1819 ->
slab.c:1821 3 .79 .81 .80 2.42
slab.c:1817 26 .82 .94 .83 21.73

ll_rw_blk.c:503 ->
ll_rw_blk.c:505 2 .96 1.29 1.12 2.25

slab.c:905 ->
slab.c:928 2 1.18 1.24 1.21 2.42

vt.c:836 ->
vt.c:838 1 645.09 645.09 645.09 645.09

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