On 22.7.2021. 0:39, Alexander Bluhm wrote:
> On Thu, Jul 22, 2021 at 12:06:09AM +0200, Hrvoje Popovski wrote:
>> I'm combining this and last parallel diff and i can't see any drops in
>> traffic. Even sending at high rate, traffic through iked or isakmpd is
>> stable at 150Kpps, which is good ..
>
> Thanks, good news.
>
>> One funny thing is that with top -SHs1 crypto CPU usage is always at 0.00%
>> Could it be because of aes-ni?
>
> I don't use the crypto thread anymore. It is idle. All crypto is
> done in softnet between handling the network part of ipsec.
>
> Here is the flame graph. Crypto is running on top of network.
> http://bluhm.genua.de/perform/results/current/patch-sys-ipsec-noqueue.1/btrace/ssh_perform%40lt13_iperf3_-c10.4.56.36_-P10_-t10-btrace-kstack.0.svg
>
> bluhm
>
Thank you for explanation..
after hitting box all night, box panic and i was able to reproduce it
this morning ... I'm not sure but box panic after hour or more of
sending traffic through iked tunnel ..
I will try to reproduce it through ipsec tunnel ..
r620-1# uvm_fault(0xffffffff821a82d8, 0x137, 0, 2) -> e
kernel: page fault trap, code=0
Stopped at tdb_free+0x9c: movq %rsi,0(%rdi)
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*310284 77290 0 0x14000 0x200 1K softnet
tdb_free(ffff8000011832a8) at tdb_free+0x9c
esp_output(fffffd80a5c2f300,ffff8000011832a8,0,14,9) at esp_output+0x44f
ipsp_process_packet(fffffd80a5c2f300,ffff8000011832a8,2,0) at
ipsp_process_packet+0x466
ip_output_ipsec_send(ffff8000011832a8,fffffd80a5c2f300,ffff800023871cf8,1)
at ip_output_ipsec_send+0x161
ip_output(fffffd80a5c2f300,0,ffff800023871cf8,1,0,0) at ip_output+0x8bd
ip_forward(fffffd80a5c2f300,ffff800000087048,fffffd83b3454bd0,0) at
ip_forward+0x26a
ip_input_if(ffff800023871e38,ffff800023871e44,4,0,ffff800000087048) at
ip_input_if+0x353
ipv4_input(ffff800000087048,fffffd80a5c2f300) at ipv4_input+0x39
if_input_process(ffff800000087048,ffff800023871eb8) at if_input_process+0x92
ifiq_process(ffff800000086c00) at ifiq_process+0x69
taskq_thread(ffff80000002f200) at taskq_thread+0x81
end trace frame: 0x0, count: 4
https://www.openbsd.org/ddb.html describes the minimum info required in
bug reports. Insufficient info makes it difficult to find and fix bugs.
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
94310 423919 1 0 3 0x100083 ttyin ksh
77465 202466 1 0 3 0x100098 poll cron
65594 481620 35139 95 3 0x100092 kqread smtpd
2326 44364 35139 103 3 0x100092 kqread smtpd
1225 215234 35139 95 3 0x100092 kqread smtpd
69590 400378 35139 95 3 0x100092 kqread smtpd
7267 26043 35139 95 3 0x100092 kqread smtpd
38120 331881 35139 95 3 0x100092 kqread smtpd
35139 66391 1 0 3 0x100080 kqread smtpd
79402 86611 1 0 3 0x88 select sshd
43297 495028 53834 101 3 0x100010 netlock iked
73854 239338 53834 101 3 0x100090 kqread iked
79322 243271 53834 101 3 0x100090 kqread iked
53834 169269 1 0 3 0x100080 kqread iked
98497 240479 1 0 3 0x100080 poll ntpd
93883 433035 46155 83 3 0x100092 poll ntpd
46155 241594 1 83 3 0x100092 poll ntpd
60135 75740 14081 73 3 0x100090 kqread syslogd
14081 390346 1 0 3 0x100082 netio syslogd
95646 201039 0 0 3 0x14200 bored smr
54746 191914 0 0 3 0x14200 pgzero zerothread
42039 120601 0 0 3 0x14200 aiodoned aiodoned
23202 404058 0 0 3 0x14200 syncer update
32492 255945 0 0 3 0x14200 cleaner cleaner
63792 183728 0 0 3 0x14200 reaper reaper
85251 251516 0 0 3 0x14200 pgdaemon pagedaemon
70650 399091 0 0 3 0x14200 bored crynlk
93527 443884 0 0 3 0x14200 bored crypto
98145 39889 0 0 3 0x14200 usbtsk usbtask
67334 434779 0 0 3 0x14200 usbatsk usbatsk
86238 520690 0 0 3 0x40014200 acpi0 acpi0
52180 314140 0 0 7 0x40014200 idle5
23611 433449 0 0 7 0x40014200 idle4
40949 492122 0 0 7 0x40014200 idle3
1758 355637 0 0 7 0x40014200 idle2
24269 99037 0 0 3 0x40014200 idle1
26630 422993 0 0 3 0x14200 bored sensors
*77290 310284 0 0 7 0x14200 softnet
68084 469615 0 0 3 0x14200 bored softnet
68120 339291 0 0 3 0x14200 bored softnet
90122 1101 0 0 3 0x14200 netlock softnet
4721 339211 0 0 3 0x14200 bored systqmp
19922 57880 0 0 3 0x14200 bored systq
67069 141786 0 0 3 0x40014200 netlock softclock
34327 87131 0 0 7 0x40014200 idle0
1 97004 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> trace /t 0t310284
ip_input_if(ffff800023871e38,ffff800023871e44,4,0,ffff800000087048) at
ip_input_if+0x353
ipv4_input(ffff800000087048,fffffd80a5c2f300) at ipv4_input+0x39
if_input_process(ffff800000087048,ffff800023871eb8) at if_input_process+0x92
ifiq_process(ffff800000086c00) at ifiq_process+0x69
taskq_thread(ffff80000002f200) at taskq_thread+0x81
end trace frame: 0x0, count: -5
ddb{1}>
