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2026-06-27 - 10:13
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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 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
13624991815,2cyclictest3203-21JS22:10:211
13624991814,3cyclictest1515-21lxd19:14:511
13624991813,2cyclictest3985-21H222:10:211
13624991812,5cyclictest0-21swapper/120:48:031
1362499180,17cyclictest399-20systemd-journal23:30:001
1362499180,15cyclictest3979-21H222:10:211
1362499180,15cyclictest3976-21H222:10:211
13617991816,1cyclictest4086-21cat19:50:130
13617991816,1cyclictest0-21swapper/021:48:050
13617991815,2cyclictest30564-21cpu19:40:140
13617991815,2cyclictest29408-21seq22:30:140
13617991815,2cyclictest16276-21perf19:15:010
13617991814,2cyclictest3991-21H222:10:210
13617991814,2cyclictest0-21swapper/020:00:020
13617991814,2cyclictest0-21swapper/020:00:010
1361799181,1cyclictest0-21swapper/023:36:540
1361799181,16cyclictest18480-21cat22:10:150
1361799180,3cyclictest3985-21H222:10:210
1361799180,3cyclictest3985-21H222:10:210
1361799180,2cyclictest4099-21H222:10:210
1361799180,2cyclictest3991-21H222:10:210
1361799180,2cyclictest3991-21H222:10:210
1361799180,2cyclictest3981-21H222:10:210
1361799180,2cyclictest3981-21H222:10:210
1361799180,2cyclictest3976-21H222:10:210
1361799180,17cyclictest3976-21H222:10:210
1361799180,15cyclictest4099-21H222:10:210
1361799180,15cyclictest0-21swapper/023:15:170
13627991715,1cyclictest0-21swapper/221:55:142
13627991715,1cyclictest0-21swapper/219:15:142
1362799171,15cyclictest0-21swapper/222:25:182
1362499179,4cyclictest0-21swapper/119:45:321
13624991715,1cyclictest0-21swapper/122:50:201
13624991714,2cyclictest4099-21H222:10:211
13624991714,2cyclictest3987-21H222:10:211
13624991714,2cyclictest30738-21apt21:35:141
13624991714,2cyclictest24252-21cupsd20:30:151
13624991714,2cyclictest20932-21/usr/sbin/munin22:15:131
13624991714,2cyclictest0-21swapper/122:27:011
1362499170,2cyclictest4035-21H222:10:211
1362499170,2cyclictest3981-21H222:10:211
1362499170,2cyclictest22000-21ls20:20:171
1362499170,2cyclictest22000-21ls20:20:161
1362499170,2cyclictest18868-21smtp19:18:361
1362499170,2cyclictest15510-21grep21:05:171
1362499170,2cyclictest12242-21nfsd422:55:151
1362499170,2cyclictest1204-21/usr/sbin/munin20:40:211
1362499170,16cyclictest8468-21awk21:50:171
1362499170,16cyclictest5413-21ntpq19:50:181
1362499170,16cyclictest4035-21H222:10:211
1362499170,16cyclictest3991-21H222:10:211
1362499170,16cyclictest3983-21H222:10:211
1362499170,16cyclictest3981-21H222:10:211
1362499170,16cyclictest3976-21H222:10:211
1362499170,16cyclictest29862-21fschecks_time20:35:151
1362499170,16cyclictest28848-21nfsd419:35:191
1362499170,16cyclictest25526-21cut19:30:151
1362499170,16cyclictest19609-21ntpq22:10:191
1362499170,16cyclictest13935-21nfsd420:05:171
13617991715,1cyclictest9-21ksoftirqd/000:11:230
13617991715,1cyclictest0-21swapper/023:55:140
13617991715,1cyclictest0-21swapper/019:20:110
13617991714,2cyclictest3989-21H222:10:210
13617991714,2cyclictest27215-21cat00:20:120
13617991714,2cyclictest25853-21expr21:25:150
13617991714,2cyclictest24588-21expr00:15:140
13617991714,2cyclictest0-21swapper/019:35:170
13617991714,2cyclictest0-21swapper/000:30:060
13617991713,3cyclictest3983-21H222:10:210
13617991713,2cyclictest3981-21H222:10:210
1361799171,15cyclictest11129-21grep21:55:190
1361799170,2cyclictest831-21date19:45:010
1361799170,2cyclictest4099-21H222:10:210
1361799170,2cyclictest4035-21H222:10:210
1361799170,2cyclictest3987-21H222:10:210
1361799170,2cyclictest24991-21tr19:30:130
1361799170,2cyclictest23356-21nfsd419:25:190
1361799170,2cyclictest11082-21/usr/sbin/munin20:00:180
1361799170,16cyclictest455-21plymouthd23:25:140
1361799170,16cyclictest4099-21H222:10:210
1361799170,16cyclictest3991-21H222:10:210
1361799170,16cyclictest3987-21H222:10:210
1361799170,16cyclictest3982-21H222:10:210
1361799170,16cyclictest3414-21master20:17:560
1361799170,16cyclictest20987-21/usr/sbin/munin20:20:100
1361799170,16cyclictest20987-21/usr/sbin/munin20:20:100
1361799170,16cyclictest20960-21apt-get22:15:110
1361799170,16cyclictest18514-21expr00:05:140
1361799170,16cyclictest14464-21cat21:05:130
1361799170,16cyclictest12365-21awk22:55:150
1361799170,16cyclictest0-21swapper/022:21:240
1361799170,16cyclictest0-21swapper/020:46:530
1361799170,15cyclictest3989-21H222:10:210
1362799160,15cyclictest0-21swapper/219:35:112
1362499160,1cyclictest0-21swapper/100:18:431
1362499160,15cyclictest21461-21/usr/sbin/munin00:10:151
1362499160,15cyclictest15936-21df22:05:151
1362499160,15cyclictest0-21swapper/120:15:131
1362499160,15cyclictest0-21swapper/119:40:151
1362499160,15cyclictest0-21swapper/119:25:081
1362499160,15cyclictest0-21swapper/119:20:181
13617991614,1cyclictest0-21swapper/020:25:120
13617991614,1cyclictest0-21swapper/000:35:110
1361799160,15cyclictest0-21swapper/021:50:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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