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2026-06-27 - 11:07
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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
Characteristics of the 100 highest latencies:
System rackdslot0.osadl.org (updated Sat Jun 27, 2026 00:45:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1362799240,23cyclictest0-21swapper/222:10:382
1362799232,0cyclictest0-21swapper/221:38:402
13627992316,2cyclictest0-21swapper/220:50:372
13627992314,5cyclictest0-21swapper/223:04:042
1362799230,22cyclictest0-21swapper/220:03:482
1362499236,11cyclictest0-21swapper/120:00:101
1362499230,5cyclictest0-21swapper/120:53:321
1362499230,18cyclictest0-21swapper/120:11:191
13627992217,3cyclictest2007-21systemd-journal00:03:292
1362799220,0cyclictest0-21swapper/222:36:192
1362499220,21cyclictest843-21systemd-network21:17:531
1361799220,18cyclictest0-21swapper/020:09:420
1362799214,16cyclictest3985-21H222:10:212
1362799213,16cyclictest21267-21https00:10:012
13627992117,3cyclictest4035-21H222:10:212
13627992117,3cyclictest32369-21expr20:40:142
13627992116,2cyclictest0-21swapper/220:27:142
1362799210,20cyclictest0-21swapper/219:50:402
1362499214,16cyclictest1114-21lldpd23:31:111
1362799204,15cyclictest0-21swapper/219:42:212
1362799203,2cyclictest28124-21grep00:20:162
1362799203,16cyclictest15654-21grep21:05:192
1362799202,3cyclictest3048-21cat23:35:202
13627992017,2cyclictest6724-21perf21:50:012
13627992017,2cyclictest3991-21H222:10:212
13627992017,2cyclictest29502-21processes23:25:212
13627992017,2cyclictest21201-21grep23:10:182
13627992017,2cyclictest16426-21sed22:05:172
13627992016,3cyclictest4099-21H222:10:212
13627992016,3cyclictest1829-21systemd-journal23:48:532
13627992016,3cyclictest15226-21cut00:00:012
1362499203,11cyclictest16133-21perf23:05:001
1361799205,1cyclictest0-21swapper/019:15:130
1361799204,15cyclictest15592-21cpuspeed_turbos20:10:130
1361799202,2cyclictest3983-21H222:10:210
13617992017,2cyclictest9-21ksoftirqd/020:50:190
1362799192,2cyclictest3899-21if_enp1s000:35:142
1362799192,2cyclictest113282sleep221:00:022
1362799192,16cyclictest3992-21H222:10:212
1362799192,16cyclictest26165-21nfsd419:30:192
1362799192,16cyclictest22821-21expr21:20:132
13627991916,2cyclictest9888-21grep20:55:212
13627991916,2cyclictest6930-21latency_hist23:45:002
13627991916,2cyclictest3398-21idleruntime20:45:152
13627991916,2cyclictest30201-21expr00:25:142
13627991916,2cyclictest25788-21expr23:20:122
13627991916,2cyclictest21251-21tr20:20:132
13627991916,2cyclictest21251-21tr20:20:122
13627991916,2cyclictest17444-21ls23:05:142
13627991916,2cyclictest1407-21expr19:45:132
13627991916,2cyclictest0-21swapper/200:09:002
13627991915,3cyclictest29717-21cstates22:30:132
13627991915,3cyclictest0-21swapper/220:05:012
13627991914,2cyclictest3983-21H222:10:212
1362799191,17cyclictest0-21swapper/223:15:132
1362799191,17cyclictest0-21swapper/222:20:182
1362799191,17cyclictest0-21swapper/222:00:232
1362799191,17cyclictest0-21swapper/220:10:132
1362799190,18cyclictest20932-21/usr/sbin/munin22:15:132
1362799190,18cyclictest0-21swapper/200:30:212
1362799190,16cyclictest3981-21H222:10:212
1362499193,15cyclictest0-21swapper/100:05:161
1362499192,2cyclictest0-21swapper/122:31:201
13624991917,1cyclictest3985-21H222:10:211
13624991916,2cyclictest3979-21H222:10:211
13624991914,3cyclictest3976-21H222:10:211
1362499191,16cyclictest843-21systemd-network23:55:591
13624991910,0cyclictest0-21swapper/119:58:571
13624991910,0cyclictest0-21swapper/119:58:571
1362499190,2cyclictest3983-21H222:10:211
1362499190,2cyclictest3979-21H222:10:211
1362499190,2cyclictest3979-21H222:10:211
1362499190,18cyclictest843-21systemd-network00:25:521
1362499190,16cyclictest4099-21H222:10:211
1362499190,16cyclictest3985-21H222:10:211
1362499190,16cyclictest3985-21H222:10:211
1362499190,16cyclictest3983-21H222:10:211
1362499190,16cyclictest3976-21H222:10:211
1361799193,1cyclictest0-21swapper/020:35:180
1361799192,2cyclictest797-21grep22:35:170
13617991913,2cyclictest3991-21H222:10:210
1361799190,2cyclictest3979-21H222:10:210
1361799190,16cyclictest3976-21H222:10:210
1362799182,2cyclictest5908-21expr22:45:142
1362799182,16cyclictest0-21swapper/220:18:322
13627991816,1cyclictest271rcuc/200:18:122
13627991816,1cyclictest0-21swapper/222:50:142
13627991816,1cyclictest0-21swapper/219:55:122
13627991816,1cyclictest0-21swapper/219:55:122
13627991815,2cyclictest455-21plymouthd21:42:512
13627991815,2cyclictest455-21plymouthd19:10:172
13627991815,2cyclictest3987-21H222:10:212
1362799181,2cyclictest23305-21sed19:25:192
1362799181,2cyclictest0-21swapper/220:35:212
1362799181,16cyclictest0-21swapper/221:10:142
1362799180,3cyclictest26710-21chrt20:30:142
1362799180,2cyclictest3981-21H222:10:212
1362499182,15cyclictest21-21ksoftirqd/121:31:511
13624991816,1cyclictest21-21ksoftirqd/121:46:171
13624991815,2cyclictest4063-21kernelversion00:35:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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