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2023-03-24 - 06:34

x86 Intel Core i7-8565U @1800 MHz, Linux 6.0.0-rt11 (Profile)

Latency plot of system in rack #e, slot #0
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q done
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100, highest latencies:
System rackeslot0.osadl.org (updated Fri Mar 24, 2023 00:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4183993636,0cyclictest0-21swapper/123:48:001
4186993534,1cyclictest32590-21kworker/4:0+events21:42:344
4186993432,1cyclictest1800-21kworker/4:2+events00:06:004
4182993427,2cyclictest30527-2130-systemd-envi00:29:420
4182993427,2cyclictest30527-2130-systemd-envi00:29:410
4189993332,1cyclictest0-21swapper/723:19:557
4182993332,1cyclictest0-21swapper/022:25:330
4186993232,0cyclictest32590-21kworker/4:0+events22:25:324
4186993231,1cyclictest15566-21kworker/4:0+events23:19:544
418299328,23cyclictest24264-21kill21:08:230
4182993231,1cyclictest26575-21kworker/0:1+events00:06:000
4182993231,1cyclictest181rcuc/023:19:550
4182993230,1cyclictest13-21ksoftirqd/023:48:010
4182993229,3cyclictest24992-21systemd23:43:370
4188993126,4cyclictest19578-21snmpd21:24:186
4182993130,1cyclictest32348-21lsb_release22:05:110
4186993029,1cyclictest32590-21kworker/4:0+events22:40:494
4186993029,1cyclictest1800-21kworker/4:2+events23:48:014
4186993029,1cyclictest15566-21kworker/4:0+events23:37:494
4182993029,1cyclictest19341-21lsb_release23:50:330
4189992927,1cyclictest751ktimers/723:48:017
4182992929,0cyclictest0-21swapper/022:40:480
4182992928,1cyclictest28573-21apt-config21:38:450
4182992928,1cyclictest11159-21lsb_release22:24:410
4182992927,2cyclictest21237-21lsb_release00:22:140
4182992927,2cyclictest17795-21lsb_release22:54:240
418299292,4cyclictest13-21ksoftirqd/023:36:510
4188992821,6cyclictest19578-21snmpd21:46:096
4183992826,1cyclictest0-21swapper/100:18:301
4183992823,3cyclictest0-21swapper/100:36:001
418299286,22cyclictest0-21swapper/022:18:530
4182992827,1cyclictest4806-21apt-config22:37:430
4182992827,1cyclictest26071-21apt-config23:29:200
4182992826,2cyclictest28659-21lsb_release21:51:530
4182992826,2cyclictest2484-21update-motd-fsc21:56:070
4182992825,1cyclictest31985-21lsb_release00:33:480
4182992825,1cyclictest29657-21systemd22:04:040
4182992825,1cyclictest26413-21lsb_release22:49:340
4182992825,1cyclictest10587-21dpkg23:11:280
4182992823,1cyclictest161rcu_preempt00:37:420
4182992821,2cyclictest1145-21kworker/0:2+rcu_gp21:26:510
4189992724,2cyclictest21597-21sshd21:22:177
418899270,26cyclictest0-21swapper/622:08:106
4186992721,2cyclictest4517-21kworker/4:0+events21:15:594
418399276,21cyclictest1-21systemd22:35:211
4183992724,1cyclictest0-21swapper/122:07:451
4182992726,1cyclictest6481-21env00:12:370
4182992725,1cyclictest27359-21cat23:30:230
4182992725,1cyclictest27359-21cat23:30:230
4182992724,1cyclictest25452-21apt-config21:43:430
418999266,18cyclictest0-21swapper/700:26:227
418999266,18cyclictest0-21swapper/700:26:227
418999265,21cyclictest751ktimers/723:08:307
418999265,21cyclictest0-21swapper/721:14:337
4189992624,1cyclictest0-21swapper/722:52:077
4189992624,1cyclictest0-21swapper/722:44:317
4189992623,1cyclictest0-21swapper/721:15:597
4188992626,0cyclictest0-21swapper/622:18:016
4188992621,4cyclictest19578-21snmpd22:29:026
418899260,26cyclictest0-21swapper/622:59:516
418899260,26cyclictest0-21swapper/621:54:366
418899260,25cyclictest0-21swapper/619:33:486
418899260,22cyclictest27861-21sd-pam22:47:346
4187992625,1cyclictest0-21swapper/521:41:505
4186992620,1cyclictest24459-21kworker/4:3+events23:30:494
4186992620,1cyclictest24459-21kworker/4:3+events23:30:484
4183992626,0cyclictest0-21swapper/122:27:111
4183992624,1cyclictest0-21swapper/122:33:271
4182992625,1cyclictest871-21sshd23:58:090
4182992625,1cyclictest25195-21gpg-agent23:05:490
4189992524,1cyclictest0-21swapper/700:18:407
4189992524,0cyclictest71050irq/125-eno121:04:387
4189992522,2cyclictest19578-21snmpd20:04:177
4188992522,2cyclictest19578-21snmpd22:10:236
4188992514,7cyclictest16918-21apt-config23:09:406
418899250,24cyclictest0-21swapper/623:14:286
4187992524,1cyclictest0-21swapper/523:09:455
4187992522,2cyclictest19578-21snmpd23:19:525
4187992522,2cyclictest19578-21snmpd21:25:035
4186992525,0cyclictest1775-21kworker/4:2+events21:04:394
4186992524,1cyclictest1800-21kworker/4:2+events23:59:184
4186992521,1cyclictest15566-21kworker/4:0+events00:01:164
4185992522,2cyclictest19578-21snmpd21:46:433
418599250,23cyclictest17572-21lsb_release21:57:373
4184992523,1cyclictest0-21swapper/222:15:232
4183992524,1cyclictest0-21swapper/122:52:061
4183992523,1cyclictest0-21swapper/123:15:571
4182992525,0cyclictest0-21swapper/021:46:310
4182992524,1cyclictest13642-21sshd00:16:530
4182992523,1cyclictest4455-21kworker/0:1-events21:30:070
4182992519,4cyclictest0-21swapper/021:10:580
4189992424,0cyclictest0-21swapper/723:34:377
4189992424,0cyclictest0-21swapper/723:34:377
4189992423,1cyclictest0-21swapper/722:20:457
4189992423,1cyclictest0-21swapper/721:36:257
4189992421,2cyclictest19578-21snmpd21:05:197
4188992422,1cyclictest19578-21snmpd21:01:236
4188992421,2cyclictest19578-21snmpd22:39:306
4188992419,4cyclictest19578-21snmpd20:27:426
418899240,22cyclictest0-21swapper/619:30:006
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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