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2026-05-31 - 19:50
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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 Sun May 31, 2026 12:44:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
227022325296,19sleep20-21swapper/207:05:102
245722274242,22sleep10-21swapper/107:08:591
245992265233,20sleep00-21swapper/007:09:140
245062260227,21sleep30-21swapper/307:08:093
60652650,0sleep00-21swapper/010:02:240
88012610,0sleep20-21swapper/212:00:342
189392590,0sleep30-21swapper/311:47:423
248522580,0sleep00-21swapper/012:30:110
185862550,0sleep00-21swapper/011:28:080
322962180,0sleep10-21swapper/111:16:281
276862180,0sleep00-21swapper/011:14:190
295262150,1sleep30-21swapper/311:35:013
250402150,0sleep10-21swapper/109:35:131
29012140,0sleep30-21swapper/312:35:503
29012140,0sleep30-21swapper/312:35:503
146202130,0sleep10-21swapper/111:05:391
2477699120,2cyclictest1871-21munin-run07:30:013
24773991110,1cyclictest28-21ksoftirqd/211:00:012
164082100,0sleep20-21swapper/212:25:122
247769998,1cyclictest34-21ksoftirqd/312:10:003
247769997,1cyclictest331rcuc/310:05:093
247769996,2cyclictest34-21ksoftirqd/309:14:373
247769992,5cyclictest34-21ksoftirqd/312:14:283
247769992,5cyclictest34-21ksoftirqd/311:07:323
247769992,4cyclictest0-21swapper/309:44:093
247769991,5cyclictest34-21ksoftirqd/310:47:453
247769991,4cyclictest34-21ksoftirqd/312:28:523
798280,0sleep20-21swapper/209:59:452
247769982,4cyclictest34-21ksoftirqd/312:30:073
247769982,4cyclictest34-21ksoftirqd/311:11:523
247769982,4cyclictest34-21ksoftirqd/310:55:113
247769982,4cyclictest34-21ksoftirqd/310:50:433
247769982,4cyclictest34-21ksoftirqd/310:24:323
247769982,4cyclictest34-21ksoftirqd/310:15:193
247769982,4cyclictest34-21ksoftirqd/310:02:413
247769982,4cyclictest34-21ksoftirqd/309:57:123
247769982,4cyclictest34-21ksoftirqd/309:15:133
247769982,4cyclictest0-21swapper/312:20:593
247769982,4cyclictest0-21swapper/312:03:343
247769982,4cyclictest0-21swapper/311:25:153
247769982,4cyclictest0-21swapper/310:35:443
247769982,4cyclictest0-21swapper/309:26:043
247769982,4cyclictest0-21swapper/309:21:593
247769982,4cyclictest0-21swapper/308:10:183
247769982,3cyclictest34-21ksoftirqd/311:22:583
247769981,5cyclictest34-21ksoftirqd/312:15:013
247769981,5cyclictest34-21ksoftirqd/310:30:103
247769981,5cyclictest34-21ksoftirqd/310:29:343
247769981,3cyclictest0-21swapper/311:58:033
247769981,3cyclictest0-21swapper/311:53:033
247769981,3cyclictest0-21swapper/309:36:533
247769981,1cyclictest141rcu_preempt11:00:193
247769980,4cyclictest0-21swapper/310:13:163
247689986,1cyclictest22-21ksoftirqd/111:00:011
247689986,1cyclictest22-21ksoftirqd/109:10:011
247689983,1cyclictest53352sh11:20:111
247689983,1cyclictest141rcu_preempt12:30:101
247639984,3cyclictest8658-21ntpq12:20:150
247639983,3cyclictest275-21systemd-journal09:29:370
10420280,0sleep00-21swapper/010:24:540
24869270,0sleep00-21swapper/009:15:180
247769976,1cyclictest34-21ksoftirqd/308:05:013
247769972,3cyclictest34-21ksoftirqd/309:30:183
247769972,3cyclictest275-21systemd-journal07:45:003
247769972,3cyclictest0-21swapper/309:50:283
247769972,3cyclictest0-21swapper/308:55:123
247769972,3cyclictest0-21swapper/307:30:173
247769971,4cyclictest34-21ksoftirqd/311:15:033
247769971,4cyclictest34-21ksoftirqd/310:40:333
247769971,4cyclictest34-21ksoftirqd/307:45:183
247769971,4cyclictest34-21ksoftirqd/307:15:223
247769971,4cyclictest34-21ksoftirqd/307:11:543
247769971,4cyclictest10927-21kworker/3:011:40:033
247769971,4cyclictest0-21swapper/311:35:313
247769971,4cyclictest0-21swapper/309:45:033
247769971,4cyclictest0-21swapper/308:50:223
247769971,4cyclictest0-21swapper/308:32:173
247769971,4cyclictest0-21swapper/307:50:083
247769971,1cyclictest34-21ksoftirqd/307:35:183
247769970,4cyclictest34-21ksoftirqd/307:58:303
247739973,3cyclictest18914-21date10:30:012
247739973,3cyclictest11605-21expr07:50:122
247739973,3cyclictest1059-21expr09:40:122
247739972,1cyclictest0-21swapper/209:45:132
247739970,6cyclictest27430-21tr08:25:132
247739970,1cyclictest6095-21cpuspeed08:50:132
247739970,1cyclictest0-21swapper/210:45:202
247689974,2cyclictest504-21dbus-daemon10:41:501
247689973,3cyclictest658-21snmpd08:00:511
247689973,3cyclictest504-21dbus-daemon12:21:041
247689973,3cyclictest26797-21ntpq09:55:181
247689973,2cyclictest275-21systemd-journal08:33:151
247639976,1cyclictest12-21ksoftirqd/009:50:010
247639976,1cyclictest11018-21ssh11:04:160
247639974,2cyclictest25253-21ls09:55:010
247639973,3cyclictest658-21snmpd07:31:460
247639973,3cyclictest28972-21smart_sda10:35:200
247639973,3cyclictest275-21systemd-journal09:11:340
247639972,3cyclictest8002-21basename08:55:010
247639972,2cyclictest7211-21turbostat09:25:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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