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2026-09-13 - 09:57
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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 Sun Sep 13, 2026 00:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2210699237,15cyclictest0-21swapper/120:55:011
22103992321,1cyclictest9-21ksoftirqd/022:16:150
2210399230,5cyclictest0-21swapper/022:10:060
2210399220,21cyclictest870-21systemd-logind23:43:520
2210399220,18cyclictest0-21swapper/023:10:000
22106992118,2cyclictest3983-21H222:10:211
2210399210,1cyclictest0-21swapper/022:40:420
2211099203,11cyclictest26393-21munin-run20:15:002
2211099200,19cyclictest843-21systemd-network19:30:102
2210699202,17cyclictest23235-21grep21:05:151
2211099194,1cyclictest0-21swapper/220:36:062
2211099193,2cyclictest11743-21cpuspeed_turbos22:40:132
2211099192,16cyclictest27955-21wc19:20:172
22110991917,1cyclictest31216-21expr21:20:132
22110991917,1cyclictest28-21ksoftirqd/222:34:222
22110991916,2cyclictest2858-21rs:main2
22110991914,3cyclictest3991-21H222:10:212
2211099190,3cyclictest0-21swapper/219:15:192
2211099190,2cyclictest3979-21H222:10:212
2211099190,18cyclictest0-21swapper/223:49:312
2211099190,18cyclictest0-21swapper/222:56:562
2211099190,16cyclictest4099-21H222:10:212
2211099190,16cyclictest3979-21H222:10:212
22106991916,2cyclictest27071-21expr23:05:171
2210699191,17cyclictest3983-21H222:10:211
22106991910,8cyclictest870-21systemd-logind19:38:521
22106991910,8cyclictest870-21systemd-logind19:38:511
2210699190,2cyclictest3983-21H222:10:211
2210699190,18cyclictest0-21swapper/123:52:501
2210699190,16cyclictest3991-21H222:10:211
22103991916,2cyclictest3991-21H222:10:210
22103991915,3cyclictest9-21ksoftirqd/019:39:090
22103991915,3cyclictest9-21ksoftirqd/019:39:090
22103991915,3cyclictest0-21swapper/023:20:140
2210399190,18cyclictest9-21ksoftirqd/000:20:130
2210399190,18cyclictest0-21swapper/022:03:420
2210399190,16cyclictest3991-21H222:10:210
2210399190,16cyclictest3985-21H222:10:210
22110991815,2cyclictest3981-21H222:10:212
22110991815,2cyclictest3976-21H222:10:212
22110991814,3cyclictest4099-21H222:10:212
22110991814,3cyclictest3989-21H222:10:212
22110991814,3cyclictest3985-21H222:10:212
22110991814,2cyclictest3985-21H222:10:212
22110991814,2cyclictest16877-21apt-key22:50:012
2211099180,3cyclictest870-21systemd-logind19:58:522
2211099180,3cyclictest6480-21cron00:25:002
2211099180,3cyclictest25193-21nvmesmart_nvme022:05:182
2211099180,2cyclictest3991-21H222:10:212
2211099180,2cyclictest3989-21H222:10:212
2211099180,2cyclictest3985-21H222:10:212
2211099180,2cyclictest3981-21H222:10:212
2211099180,2cyclictest3981-21H222:10:212
2211099180,2cyclictest3981-21H222:10:212
2211099180,17cyclictest3991-21H222:10:212
2211099180,17cyclictest3989-21H222:10:212
2211099180,17cyclictest3987-21H222:10:212
2211099180,17cyclictest3987-21H222:10:212
2211099180,17cyclictest3981-21H222:10:212
2210699183,1cyclictest0-21swapper/121:55:201
2210699182,15cyclictest0-21swapper/121:17:131
2210699182,15cyclictest0-21swapper/120:40:371
22106991818,0cyclictest0-21swapper/120:31:211
22106991816,1cyclictest21-21ksoftirqd/100:15:001
22106991814,3cyclictest940-21awk21:25:011
22106991814,3cyclictest4099-21H222:10:211
22106991814,3cyclictest4035-21H222:10:211
22106991814,3cyclictest3987-21H222:10:211
22106991814,3cyclictest0-21swapper/119:57:581
2210699180,2cyclictest9249-21chrt19:44:271
2210699180,1cyclictest0-21swapper/100:00:091
2210699180,17cyclictest3989-21H222:10:211
2210699180,17cyclictest3979-21H222:10:211
2210699180,16cyclictest3985-21H222:10:211
2210699180,16cyclictest3985-21H222:10:211
2210699180,16cyclictest3985-21H222:10:211
2210699180,16cyclictest3979-21H222:10:211
2210699180,15cyclictest3991-21H222:10:211
2210399182,1cyclictest9-21ksoftirqd/000:35:210
22103991816,1cyclictest9-21ksoftirqd/019:15:280
22103991816,1cyclictest1008-21expr00:15:160
22103991815,2cyclictest19624-21nfsd421:55:180
22103991814,3cyclictest9-21ksoftirqd/020:58:300
22103991814,3cyclictest9-21ksoftirqd/020:58:290
22103991814,3cyclictest1523-21lxd20:32:510
2210399181,16cyclictest22643-21cpuspeed_turbos19:10:160
2210399181,16cyclictest21814-21expr23:55:150
2210399180,3cyclictest3981-21H222:10:210
2210399180,2cyclictest4099-21H222:10:210
2210399180,17cyclictest4035-21H222:10:210
2210399180,17cyclictest3985-21H222:10:210
2210399180,17cyclictest23710-21hddtemp_smartct23:00:150
2210399180,16cyclictest3976-21H222:10:210
2210399180,16cyclictest1351-21lxd19:40:500
2210399180,15cyclictest4035-21H222:10:210
2210399180,15cyclictest3983-21H222:10:210
22110991715,1cyclictest4035-21H222:10:212
22110991715,1cyclictest4035-21H222:10:212
22110991714,2cyclictest4035-21H222:10:212
22110991714,2cyclictest399-20systemd-journal00:15:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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