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2026-04-06 - 05:46
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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 Mon Apr 06, 2026 00:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2569299260,25cyclictest0-21swapper/121:55:101
2569199230,22cyclictest0-21swapper/020:40:410
2569399210,20cyclictest843-21systemd-network21:01:252
2569399204,1cyclictest0-21swapper/220:50:012
2569299204,2cyclictest14232-21fschecks_count22:35:151
2569199203,16cyclictest3987-21H222:10:210
2569399192,16cyclictest9648-21ntp_kernel_pll_00:20:172
2569399192,16cyclictest3983-21H222:10:212
2569399192,16cyclictest0-21swapper/221:17:102
25693991917,1cyclictest0-21swapper/220:28:002
25693991916,2cyclictest3989-21H222:10:212
25693991916,2cyclictest3987-21H222:10:212
25693991916,2cyclictest24525-21date21:00:012
25693991914,4cyclictest4035-21H222:10:212
2569399190,2cyclictest3983-21H222:10:212
2569399190,16cyclictest3987-21H222:10:212
2569299192,1cyclictest0-21swapper/123:26:121
25692991915,3cyclictest25362-21fschecks_time22:55:141
25692991911,7cyclictest8921-21perf23:25:001
2569299190,2cyclictest4099-21H222:10:211
2569299190,16cyclictest3985-21H222:10:211
2569199193,15cyclictest9-21ksoftirqd/021:05:530
2569199193,15cyclictest0-21swapper/019:20:200
25691991917,1cyclictest30374-21expr23:05:130
25691991917,1cyclictest0-21swapper/020:30:070
2569199190,2cyclictest3991-21H222:10:210
2569199190,2cyclictest3979-21H222:10:210
2569199190,16cyclictest4099-21H222:10:210
2569199190,15cyclictest0-21swapper/000:18:010
2569399182,15cyclictest4099-21H222:10:212
25693991816,1cyclictest0-21swapper/220:53:022
25693991815,2cyclictest3983-21H222:10:212
25693991814,3cyclictest4099-21H222:10:212
25693991814,3cyclictest3979-21H222:10:212
2569399180,3cyclictest32637-21turbostat23:10:002
2569399180,2cyclictest4035-21H222:10:212
2569399180,2cyclictest3991-21H222:10:212
2569399180,2cyclictest3976-21H222:10:212
2569399180,2cyclictest16780-21nvmesmart_nvme021:40:192
2569399180,17cyclictest2007-21systemd-journal20:41:332
2569399180,17cyclictest16749-21snapd23:52:482
2569399180,17cyclictest0-21swapper/219:10:162
2569399180,17cyclictest0-21swapper/200:13:552
2569399180,16cyclictest3985-21H222:10:212
2569399180,16cyclictest3981-21H222:10:212
25692991815,2cyclictest12389-21ntpq00:25:191
25692991815,2cyclictest12389-21ntpq00:25:191
25692991814,3cyclictest3976-21H222:10:211
25692991814,2cyclictest31918-21pzem21:10:201
25692991814,2cyclictest31367-21nfsd423:05:171
2569299181,16cyclictest0-21swapper/122:33:221
2569299181,16cyclictest0-21swapper/121:50:181
2569299180,3cyclictest3981-21H222:10:211
2569299180,2cyclictest3991-21H222:10:211
2569299180,2cyclictest3985-21H222:10:211
2569299180,17cyclictest3983-21H222:10:211
2569299180,16cyclictest15132-21cut00:30:191
2569299180,15cyclictest4099-21H222:10:211
2569299180,15cyclictest4035-21H222:10:211
2569299180,15cyclictest3989-21H222:10:211
2569299180,15cyclictest3985-21H222:10:211
25691991815,2cyclictest4099-21H222:10:210
25691991813,2cyclictest3983-21H222:10:210
25691991813,2cyclictest3983-21H222:10:210
2569199180,3cyclictest3985-21H222:10:210
2569199180,3cyclictest0-21swapper/023:37:400
2569199180,2cyclictest4099-21H222:10:210
2569199180,2cyclictest4099-21H222:10:210
2569199180,2cyclictest3991-21H222:10:210
2569199180,2cyclictest3989-21H222:10:210
2569199180,17cyclictest3991-21H222:10:210
2569199180,16cyclictest3976-21H222:10:210
2569199180,16cyclictest0-21swapper/019:27:520
2569199180,15cyclictest3979-21H222:10:210
25693991715,1cyclictest0-21swapper/222:40:122
25693991715,1cyclictest0-21swapper/221:25:162
25693991714,2cyclictest3991-21H222:10:212
25693991714,2cyclictest3413-21cut22:15:172
25693991714,2cyclictest3413-21cut22:15:172
25693991714,2cyclictest23142-21perf21:55:002
25693991714,2cyclictest14750-21cron23:34:592
25693991714,2cyclictest1079-21cups-browsed20:30:202
25693991714,2cyclictest0-21swapper/223:25:202
25693991714,2cyclictest0-21swapper/223:00:122
25693991714,2cyclictest0-21swapper/219:50:142
25693991713,3cyclictest3981-21H222:10:212
25693991713,3cyclictest3981-21H222:10:212
25693991713,3cyclictest3981-21H222:10:212
2569399171,15cyclictest3991-21H222:10:212
2569399170,2cyclictest3987-21H222:10:212
2569399170,2cyclictest3979-21H222:10:212
2569399170,2cyclictest3976-21H222:10:212
2569399170,2cyclictest32529-21fschecks_count22:10:132
2569399170,2cyclictest27745-21proc_pri23:55:202
2569399170,2cyclictest19758-21expr22:45:122
2569399170,2cyclictest18247-21cut21:45:142
2569399170,2cyclictest15473-21cat22:35:212
2569399170,1cyclictest4099-21H222:10:212
2569399170,16cyclictest9068-21cut22:25:152
2569399170,16cyclictest455-21plymouthd19:25:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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