Date: Sat, 11 Nov 2006 23:13:05 -0500 From: Mike Tancsa <mike@sentex.net> To: Scott Long <scottl@samsco.org> Cc: freebsd-net <freebsd-net@freebsd.org>, glebius@freebsd.org, freebsd-stable@freebsd.org, Jack Vogel <jfvogel@gmail.com> Subject: Re: Proposed 6.2 em RELEASE patch Message-ID: <200611120412.kAC4CuIB035746@lava.sentex.ca> In-Reply-To: <455570D8.6070000@samsco.org> References: <2a41acea0611081719h31be096eu614d2f2325aff511@mail.gmail.com> <200611091536.kA9FaltD018819@lava.sentex.ca> <45534E76.6020906@samsco.org> <200611092200.kA9M0q1E020473@lava.sentex.ca> <200611102004.kAAK4iO9027778@lava.sentex.ca> <2a41acea0611101400w5b8cef40ob84ed6de181f3e2c@mail.gmail.com> <200611102221.kAAML6ol028630@lava.sentex.ca> <455570D8.6070000@samsco.org>
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At 01:42 AM 11/11/2006, Scott Long wrote:
driver. What will help me is if you can hook up a serial console to
>your machine and see if it can be made to drop to the debugger while it
>is under load and otherwise unresponsive. If you can, getting a process
>dump might help confirm where each CPU is spending its time.
./netblast 192.168.88.218 500 110 1000
I compiled in the various debugging options and on the serial console
I get a few
Expensive timeout(9) function: 0xc0601e48(0) 0.024135749 s
and the serial console
telnet> send break
Expensive timeout(9) function: 0xc0561444(0xc63f1d80) 0.072485748 s
KDB: enter: Line break on console
[thread pid 27 tid 100017 ]
Stopped at kdb_enter+0x2b: nop
db>
db> ps
pid ppid pgrp uid state wmesg wchan cmd
1206 1123 1206 0 R+ ifstat
1155 1154 1155 0 R+ csh
1154 1 1154 0 Ss+ wait 0xc6722218 login
1123 1122 1123 0 S+ pause 0xc6722894 csh
1122 1117 1122 1002 S+ wait 0xc6739430 su
1117 1116 1117 1002 Ss+ pause 0xc6aa024c csh
1116 1114 1114 1002 R sshd
1114 1028 1114 0 Ss sbwait 0xc6893370 sshd
1112 1 1112 0 Ss+ ttyin 0xc65ba810 getty
1111 1 1111 0 Ss+ ttyin 0xc65bac10 getty
1110 1 1110 0 Ss+ ttyin 0xc65bb010 getty
1109 1 1109 0 Ss+ ttyin 0xc65bc410 getty
1108 1 1108 0 Ss+ ttyin 0xc65b4010 getty
1107 1 1107 0 Ss+ ttyin 0xc65bd010 getty
1106 1 1106 0 Ss+ ttyin 0xc65bcc10 getty
1105 1 1105 0 Ss+ ttyin 0xc65b2010 getty
1044 1 1044 0 Ss nanslp 0xc076ecac cron
1038 1 1038 25 Ss pause 0xc6ab2aac sendmail
1034 1 1034 0 Rs sendmail
1028 1 1028 0 Ss select 0xc07bc004 sshd
898 1 898 0 Ss bo_wwait 0xc6ac9130 syslogd
846 1 846 0 Ss select 0xc07bc004 devd
445 1 445 65 Ss select 0xc07bc004 dhclient
425 1 43 0 S+ select 0xc07bc004 dhclient
124 1 124 0 Ss pause 0xc6739034 adjkerntz
42 0 0 0 SL - 0xe8ff9d04 [schedcpu]
41 0 0 0 SL sdflush 0xc07c50f4 [softdepflush]
40 0 0 0 RL [syncer]
39 0 0 0 RL [vnlru]
38 0 0 0 SL psleep 0xc07bc56c [bufdaemon]
37 0 0 0 SL pgzero 0xc07c6064 [pagezero]
36 0 0 0 SL psleep 0xc07c5bb4 [vmdaemon]
35 0 0 0 SL psleep 0xc07c5b70 [pagedaemon]
34 0 0 0 WL [irq1: atkbd0]
33 0 0 0 WL [irq7: ppc0]
32 0 0 0 WL [swi0: sio]
31 0 0 0 RL [acpi_cooling0]
30 0 0 0 SL tzpoll 0xc08cd838 [acpi_thermal]
29 0 0 0 WL [irq19: bge1]
28 0 0 0 WL [irq16: bge0+]
27 0 0 0 RL CPU 1 [irq18: em1]
26 0 0 0 WL [irq17: em0]
25 0 0 0 WL [irq23: nve0]
24 0 0 0 WL [irq22: atapci2]
23 0 0 0 WL [irq21: atapci1]
22 0 0 0 WL [irq15: ata1]
21 0 0 0 WL [irq14: ata0]
20 0 0 0 WL [irq9: acpi0]
9 0 0 0 SL - 0xc645f080 [kqueue taskq]
19 0 0 0 WL [swi2: cambio]
8 0 0 0 SL - 0xc645f280 [acpi_task_2]
7 0 0 0 SL - 0xc645f280 [acpi_task_1]
6 0 0 0 SL - 0xc645f280 [acpi_task_0]
18 0 0 0 WL [swi5: +]
5 0 0 0 SL - 0xc645f400 [thread taskq]
17 0 0 0 WL [swi6: Giant taskq]
16 0 0 0 WL [swi6: task queue]
15 0 0 0 RL [yarrow]
4 0 0 0 RL [g_down]
3 0 0 0 RL [g_up]
2 0 0 0 RL [g_event]
14 0 0 0 WL [swi3: vm]
13 0 0 0 RL CPU 0 [swi4: clock sio]
12 0 0 0 WL [swi1: net]
11 0 0 0 RL [idle: cpu0]
10 0 0 0 RL [idle: cpu1]
1 0 1 0 SLs wait 0xc63f5000 [init]
0 0 0 0 WLs [swapper]
db>
db> show intr
irq1: atkbd0 (pid 34)
irq4: sio0 (no thread)
irq7: ppc0 (pid 33)
irq9: acpi0 (pid 20)
irq14: ata0 (pid 21) {ENTROPY}
irq15: ata1 (pid 22) {ENTROPY}
irq16: bge0+ (pid 28)
irq17: em0 (pid 26)
irq18: em1 (pid 27)
irq19: bge1 (pid 29)
irq21: atapci1 (pid 23) {ENTROPY}
irq22: atapci2 (pid 24) {ENTROPY}
irq23: nve0 (pid 25)
swi1: net (pid 12) {SOFT}
swi4: clock sio (pid 13) {SOFT, NEED}
swi3: vm (pid 14) {SOFT}
swi6: task queue (pid 16) {SOFT}
swi6: Giant taskq (pid 17) {SOFT}
swi5: + (pid 18) {SOFT}
swi2: cambio (pid 19) {SOFT}
swi0: sio (pid 32) {SOFT}
db>
db> show pcpu
cpuid = 1
curthread = 0xc63f2900: pid 27 "irq18: em1"
curpcb = 0xe500dd90
fpcurthread = none
idlethread = 0xc63f1600: pid 10 "idle: cpu1"
APIC ID = 1
currentldt = 0x50
spin locks held:
exclusive spin mutex sio r = 0 (0xc07c81c0) locked @
/usr/src/sys/dev/sio/sio.c:1390
db>
db> show intrcnt
irq4: sio0 901
irq14: ata0 1425
irq16: bge0+ 35
irq17: em0 33705
irq18: em1 26846
irq19: bge1 2001
irq21: atapci1 42
irq22: atapci2 33
cpu0: timer 2834932
cpu1: timer 2826571
db>
db> show irqs
irq0: (no thread)
irq1: atkbd0 (pid 34)
irq3: (no thread)
irq4: sio0 (no thread)
irq5: (no thread)
irq6: (no thread)
irq7: ppc0 (pid 33)
irq8: (no thread)
irq9: acpi0 (pid 20)
irq10: (no thread)
irq11: (no thread)
irq12: (no thread)
irq13: (no thread)
irq14: ata0 (pid 21) {ENTROPY}
irq15: ata1 (pid 22) {ENTROPY}
irq16: bge0+ (pid 28)
irq17: em0 (pid 26)
irq18: em1 (pid 27)
irq19: bge1 (pid 29)
irq20: (no thread)
irq21: atapci1 (pid 23) {ENTROPY}
irq22: atapci2 (pid 24) {ENTROPY}
irq23: nve0 (pid 25)
db>
Let me know if there is anything else you want me to print out
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