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2025-11-22 - 23:02
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackaslot8.osadl.org (updated Sat Nov 22, 2025 12:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
124622287253,22sleep10-21swapper/107:06:511
124912262229,21sleep00-21swapper/007:07:150
124422262233,18sleep30-21swapper/307:06:373
124732261226,22sleep20-21swapper/207:07:002
288182620,0sleep20-21swapper/212:10:212
3552600,0sleep00-21swapper/010:02:130
128002590,0sleep122-21ksoftirqd/112:22:181
267562560,1sleep228-21ksoftirqd/207:38:362
75712540,0sleep10-21swapper/111:53:181
26592540,0sleep10-21swapper/112:15:171
162262540,0sleep10-21swapper/111:34:331
241652190,0sleep30-21swapper/309:55:203
202862190,0sleep20-21swapper/211:10:262
15962190,0sleep10-21swapper/111:22:121
228992160,0sleep10-21swapper/111:13:181
1282799107,2cyclictest22-21ksoftirqd/112:35:011
1282799107,2cyclictest22-21ksoftirqd/110:55:011
1282799107,2cyclictest22-21ksoftirqd/108:50:011
1282799100,6cyclictest9336-21ssh10:36:081
128349997,2cyclictest34-21ksoftirqd/309:10:013
128349994,3cyclictest19982-21systemd-journal10:46:213
128349994,3cyclictest19982-21systemd-journal10:46:213
128329990,6cyclictest16829-21apt08:30:002
128279998,1cyclictest22-21ksoftirqd/107:30:001
128279997,2cyclictest22-21ksoftirqd/112:30:011
128279997,1cyclictest22-21ksoftirqd/110:25:021
128279997,1cyclictest211rcuc/110:45:011
128279996,2cyclictest22-21ksoftirqd/112:40:001
128279996,2cyclictest22-21ksoftirqd/111:10:011
128279996,2cyclictest22-21ksoftirqd/109:40:021
128279996,2cyclictest22-21ksoftirqd/107:15:021
128279993,4cyclictest22-21ksoftirqd/111:47:401
128279992,5cyclictest22-21ksoftirqd/111:40:201
128279992,5cyclictest22-21ksoftirqd/110:31:451
128239994,3cyclictest19982-21systemd-journal09:36:390
128349983,3cyclictest19982-21systemd-journal11:40:003
128349983,3cyclictest19982-21systemd-journal10:25:293
128349982,5cyclictest932-21hddtemp_smartct10:55:153
128329983,4cyclictest0-21swapper/209:45:182
128329983,3cyclictest19982-21systemd-journal12:06:262
128329983,3cyclictest19982-21systemd-journal10:57:362
128279987,1cyclictest22-21ksoftirqd/110:00:011
128279987,1cyclictest22-21ksoftirqd/109:55:011
128279987,1cyclictest22-21ksoftirqd/109:15:011
128279987,1cyclictest22-21ksoftirqd/108:35:001
128279987,1cyclictest22-21ksoftirqd/107:45:001
128279987,1cyclictest22-21ksoftirqd/107:15:011
128279986,2cyclictest22-21ksoftirqd/111:35:021
128279986,1cyclictest211rcuc/108:55:111
128279985,2cyclictest22-21ksoftirqd/108:00:011
128279984,3cyclictest19982-21systemd-journal08:21:091
128279983,3cyclictest19982-21systemd-journal12:01:001
128279982,4cyclictest22-21ksoftirqd/110:04:461
128279982,4cyclictest22-21ksoftirqd/109:30:151
128279981,5cyclictest22-21ksoftirqd/108:25:191
128279981,5cyclictest22-21ksoftirqd/107:20:251
128239985,2cyclictest16667-21cron11:35:000
128239983,3cyclictest19982-21systemd-journal07:22:200
128239980,2cyclictest18096-21rm10:16:380
128349976,1cyclictest34-21ksoftirqd/309:15:013
128349974,2cyclictest508-21dbus-daemon11:20:003
128349974,2cyclictest181262sleep307:20:163
128349973,3cyclictest508-21dbus-daemon11:15:003
128349973,3cyclictest3690-21apt-get08:00:123
128349973,3cyclictest19982-21systemd-journal11:45:453
128349973,3cyclictest19982-21systemd-journal09:23:413
128349973,3cyclictest19982-21systemd-journal08:18:423
128349973,3cyclictest12724-21cut09:45:193
128349973,3cyclictest0-21swapper/311:03:273
128349973,3cyclictest0-21swapper/310:18:483
128349973,3cyclictest0-21swapper/310:00:383
128349973,2cyclictest19982-21systemd-journal10:24:143
128349973,1cyclictest0-21swapper/312:18:473
128349973,1cyclictest0-21swapper/312:09:383
128349973,1cyclictest0-21swapper/311:22:093
128349972,3cyclictest19982-21systemd-journal11:27:133
128349972,3cyclictest19982-21systemd-journal07:16:203
128349970,6cyclictest26511-21df10:50:153
128349970,6cyclictest23575-21grep12:30:143
128329975,1cyclictest14920-21ssh11:59:492
128329974,2cyclictest508-21dbus-daemon08:21:342
128329974,2cyclictest11736-21in:imuxsock09:52:572
128329973,3cyclictest508-21dbus-daemon10:40:562
128329973,3cyclictest508-21dbus-daemon09:41:172
128329973,3cyclictest30368-21ntpq07:45:212
128329973,3cyclictest29741-11brltty10:09:382
128329973,3cyclictest19982-21systemd-journal09:55:532
128329973,3cyclictest19982-21systemd-journal08:56:412
128329973,3cyclictest1-21systemd08:15:192
128329973,3cyclictest0-21swapper/212:31:502
128329973,3cyclictest0-21swapper/211:05:112
128329973,1cyclictest0-21swapper/210:37:242
128329973,1cyclictest0-21swapper/210:12:462
128329973,1cyclictest0-21swapper/209:26:182
128329972,3cyclictest7661-21lldpd11:34:172
128329972,3cyclictest7661-21lldpd09:39:302
128329971,3cyclictest5654-21munin-run08:05:002
128329970,4cyclictest3066-21awk10:05:012
128329970,3cyclictest19982-21systemd-journal08:10:332
128279976,1cyclictest22-21ksoftirqd/111:00:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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