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2025-11-22 - 15:13
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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 376 highest latencies:
System rackdslot0.osadl.org (updated Sat Nov 22, 2025 00:46:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1114699230,5cyclictest0-21swapper/223:59:392
1113599230,5cyclictest0-21swapper/019:43:320
11141992214,4cyclictest0-21swapper/120:16:161
1114199220,18cyclictest0-21swapper/121:44:421
1114199220,18cyclictest0-21swapper/121:44:421
1114199220,18cyclictest0-21swapper/100:05:241
1113599220,18cyclictest0-21swapper/019:40:010
1114699210,3cyclictest0-21swapper/220:12:572
11141992113,4cyclictest0-21swapper/123:01:231
11141992113,4cyclictest0-21swapper/123:01:231
11146992017,2cyclictest18676-21grep23:10:222
11146992014,3cyclictest4523-21H212:26:332
1114199202,17cyclictest0-21swapper/100:10:151
11141992017,2cyclictest18994-21mailstats23:10:261
11141992017,2cyclictest10581-21sh23:55:001
1113599200,1cyclictest4534-21H212:26:330
1114699192,16cyclictest7515-21nfsd422:50:202
11146991916,2cyclictest743-21wc23:35:202
1114699190,1cyclictest0-21swapper/223:21:592
1114699190,18cyclictest0-21swapper/220:35:402
1114699190,16cyclictest4530-21H212:26:332
1114199194,4cyclictest0-21swapper/120:55:191
1114199193,15cyclictest16278-21expr22:10:131
1114199192,2cyclictest4693-21cat21:50:021
1114199192,2cyclictest31554-21switchtime22:35:221
1114199192,1cyclictest0-21swapper/100:16:121
1114199192,16cyclictest8002-21ls21:55:161
1114199192,16cyclictest26973-21expr20:35:161
1114199192,16cyclictest0-21swapper/119:31:551
11141991917,1cyclictest21-21ksoftirqd/123:30:521
11141991917,1cyclictest18985-21expr20:20:161
11141991917,1cyclictest0-21swapper/122:48:341
11141991917,1cyclictest0-21swapper/121:04:301
11141991917,1cyclictest0-21swapper/119:15:011
11141991916,2cyclictest4523-21H212:26:331
11141991916,2cyclictest21-21ksoftirqd/100:26:261
11141991915,3cyclictest0-21swapper/123:20:051
11141991915,3cyclictest0-21swapper/119:20:031
1114199190,18cyclictest0-21swapper/120:42:511
1114199190,18cyclictest0-21swapper/120:30:191
1114199190,16cyclictest4593-21H212:26:331
1114199190,16cyclictest4538-21H212:26:331
1114199190,16cyclictest4536-21H212:26:331
1114199190,16cyclictest4530-21H212:26:331
11135991914,2cyclictest4536-21H212:26:330
1114699182,1cyclictest4532-21H212:26:332
1114699182,15cyclictest0-21swapper/200:05:022
11146991816,1cyclictest23441-21netstat00:15:192
11146991816,1cyclictest0-21swapper/220:22:072
11146991815,2cyclictest4532-21H212:26:332
11146991815,2cyclictest22816-21processes22:20:182
11146991814,3cyclictest4532-21H212:26:332
11146991814,3cyclictest4530-21H212:26:332
11146991814,2cyclictest4528-21H212:26:332
11146991813,2cyclictest4532-21H212:26:332
1114699181,2cyclictest4530-21H212:26:332
1114699181,2cyclictest30083-21snapd20:46:502
1114699181,16cyclictest4535-21H212:26:332
1114699180,3cyclictest17061-21tr19:20:152
1114699180,2cyclictest4536-21H212:26:332
1114699180,2cyclictest4534-21H212:26:332
1114699180,2cyclictest4530-21H212:26:332
1114699180,2cyclictest4526-21H212:26:332
1114699180,2cyclictest4526-21H212:26:332
1114699180,2cyclictest29456-21nfsd400:25:162
1114699180,1cyclictest0-21swapper/200:23:262
1114699180,17cyclictest4536-21H212:26:332
1114699180,17cyclictest2991-21grep21:45:192
1114699180,16cyclictest11495-21grep21:05:142
1114699180,15cyclictest4536-21H212:26:332
1114199182,15cyclictest25615-21expr21:30:161
1114199182,15cyclictest1759-21cat00:35:141
1114199182,15cyclictest0-21swapper/122:05:141
11141991816,1cyclictest110142chrt22:55:511
11141991815,2cyclictest9169-21cat20:00:231
11141991815,2cyclictest4536-21H212:26:331
11141991814,3cyclictest4526-21H212:26:331
11141991814,3cyclictest0-21swapper/119:41:001
11141991813,4cyclictest893-21systemd-logind19:59:081
11141991813,4cyclictest893-21systemd-logind19:59:071
1114199181,1cyclictest0-21swapper/120:12:381
1114199181,16cyclictest3272-21ls23:40:191
1114199181,16cyclictest19775-21grep22:15:171
1114199181,15cyclictest0-21swapper/123:05:151
1114199180,3cyclictest4613-21find20:50:201
1114199180,2cyclictest18490-21cat21:15:221
1113599182,15cyclictest28895-21grep22:30:210
1113599181,8cyclictest0-21swapper/023:40:200
11135991814,3cyclictest4593-21H212:26:330
11135991814,3cyclictest4581-21H212:26:330
11135991814,3cyclictest4581-21H212:26:330
1113599181,16cyclictest25341-21smartctl20:30:190
1113599180,2cyclictest4534-21H212:26:330
1113599180,2cyclictest4526-21H212:26:330
1113599180,17cyclictest4536-21H212:26:330
1113599180,16cyclictest4538-21H212:26:330
1113599180,16cyclictest4534-21H212:26:330
1113599180,16cyclictest4532-21H212:26:330
1113599180,16cyclictest4523-21H212:26:330
1113599180,15cyclictest4536-21H212:26:330
11146991715,1cyclictest0-21swapper/223:01:252
11146991715,1cyclictest0-21swapper/223:01:252
11146991715,1cyclictest0-21swapper/222:40:142
11146991715,1cyclictest0-21swapper/221:50:202
11146991714,2cyclictest4538-21H212:26:332
11146991714,2cyclictest4532-21H212:26:332
11146991714,2cyclictest4528-21H212:26:332
11146991714,2cyclictest4523-21H212:26:332
11146991714,2cyclictest24514-21df20:30:142
11146991714,2cyclictest18334-21expr00:05:212
1114699171,1cyclictest0-21swapper/222:55:172
1114699170,2cyclictest4538-21H212:26:332
1114699170,2cyclictest4528-21H212:26:332
1114699170,2cyclictest4274-21timerwakeupswit23:40:242
1114699170,16cyclictest881-21avahi-daemon19:15:232
1114699170,16cyclictest5992-21munin-run22:50:012
1114699170,16cyclictest4536-21H212:26:332
1114699170,16cyclictest4534-21H212:26:332
1114699170,16cyclictest4530-21H212:26:332
1114699170,16cyclictest4526-21H212:26:332
1114699170,16cyclictest414-20systemd-journal19:15:012
1114699170,16cyclictest28498-21awk22:30:182
1114699170,16cyclictest27139-21sshd19:36:472
1114699170,16cyclictest26983-21ntpq23:25:202
1114699170,16cyclictest1066-21/usr/sbin/munin19:50:142
1114699170,16cyclictest10068-21pzem_energy21:00:202
1114699170,16cyclictest0-21swapper/200:35:442
11141991714,2cyclictest28211-21/usr/sbin/munin22:30:171
11141991714,2cyclictest20152-21cstates19:25:161
11141991714,2cyclictest11158-21taskset20:05:181
11141991714,2cyclictest0-21swapper/121:20:181
1114199171,15cyclictest14285-21cpuspeed_turbos21:10:151
1114199170,2cyclictest4534-21H212:26:331
1114199170,2cyclictest25159-21https00:20:011
1114199170,2cyclictest22752-21expr21:25:151
1114199170,2cyclictest2142-21sed19:50:181
1114199170,2cyclictest11136-21cut23:55:111
1114199170,16cyclictest7398-21/usr/sbin/munin22:50:191
1114199170,16cyclictest5544-21iwlist21:50:161
1114199170,16cyclictest391-21grep22:40:151
1114199170,16cyclictest32265-21ntpq00:30:181
1114199170,16cyclictest31791-21ls19:45:171
1114199170,16cyclictest27811-21chrt21:35:091
1114199170,16cyclictest25998-21expr23:25:151
1114199170,16cyclictest24808-21cstates22:25:141
1114199170,16cyclictest20113-21find23:15:101
1114199170,16cyclictest14595-21cat19:15:151
1114199170,16cyclictest13758-21acpi00:00:111
1113599172,1cyclictest9-21ksoftirqd/023:50:010
11135991714,2cyclictest8993-21/usr/sbin/munin20:00:220
11135991714,2cyclictest7563-21tlsmgr19:58:530
11135991714,2cyclictest7563-21tlsmgr19:58:520
11135991714,2cyclictest4698-21switchtime20:50:200
11135991714,2cyclictest4593-21H212:26:330
11135991714,2cyclictest4581-21H212:26:330
11135991714,2cyclictest4538-21H212:26:330
11135991714,2cyclictest4534-21H212:26:330
11135991714,2cyclictest4532-21H212:26:330
11135991714,2cyclictest4532-21H212:26:330
11135991714,2cyclictest4528-21H212:26:330
11135991714,2cyclictest4523-21H212:26:330
11135991714,2cyclictest13019-21cut23:00:190
11135991714,2cyclictest13019-21cut23:00:190
11135991714,2cyclictest11374-21awk23:00:000
11135991714,1cyclictest0-21swapper/021:18:390
1113599171,15cyclictest1020-21kworker/0:100:30:170
1113599170,2cyclictest4538-21H212:26:330
1113599170,2cyclictest4536-21H212:26:330
1113599170,2cyclictest4536-21H212:26:330
1113599170,2cyclictest4534-21H212:26:330
1113599170,2cyclictest4530-21H212:26:330
1113599170,2cyclictest4523-21H212:26:330
1113599170,16cyclictest4593-21H212:26:330
1113599170,16cyclictest4581-21H212:26:330
1113599170,16cyclictest4538-21H212:26:330
1113599170,16cyclictest4536-21H212:26:330
1113599170,16cyclictest4536-21H212:26:330
1113599170,16cyclictest4534-21H212:26:330
1113599170,16cyclictest4530-21H212:26:330
1113599170,16cyclictest4528-21H212:26:330
1113599170,16cyclictest4526-21H212:26:330
1113599170,16cyclictest4523-21H212:26:330
1113599170,16cyclictest32766-21nfsd423:35:180
1113599170,16cyclictest17896-21sshd22:12:090
1113599170,16cyclictest1591-21systemd19:25:080
1113599170,15cyclictest4536-21H212:26:330
1113599170,15cyclictest4528-21H212:26:330
1113599170,15cyclictest4528-21H212:26:330
1113599170,15cyclictest4523-21H212:26:330
1113599170,15cyclictest25449-21latency_hist23:25:000
11146991614,1cyclictest17193-21expr21:15:152
11146991614,1cyclictest0-21swapper/220:05:142
11146991614,1cyclictest0-21swapper/219:55:162
11146991614,1cyclictest0-21swapper/219:55:162
11146991613,2cyclictest8623-21expr23:50:122
1114699160,2cyclictest27840-21apache_volume21:35:142
1114699160,15cyclictest1079-21gdbus20:00:012
1114699160,15cyclictest0-21swapper/220:55:142
11135991614,1cyclictest0-21swapper/020:25:130
11135991613,2cyclictest14273-21expr20:10:160
11135991613,2cyclictest1093-21apache_processe19:50:130
1113599160,1cyclictest0-21swapper/022:00:130
1113599160,1cyclictest0-21swapper/020:40:150
1113599160,15cyclictest4526-21H212:26:330
1113599160,15cyclictest0-21swapper/023:55:160
1113599160,15cyclictest0-21swapper/020:45:220
1113599160,15cyclictest0-21swapper/020:20:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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