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2026-09-01 - 03:44
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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 Tue Sep 01, 2026 00:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1254999271,25cyclictest0-21swapper/222:10:172
12549992321,1cyclictest0-21swapper/223:40:262
1254999230,18cyclictest0-21swapper/223:46:422
1254999212,5cyclictest0-21swapper/219:25:082
12549992117,3cyclictest0-21swapper/222:50:132
12549992117,3cyclictest0-21swapper/222:50:122
1254799214,2cyclictest3983-21H222:10:210
1254999203,16cyclictest28-21ksoftirqd/219:10:192
1254999202,3cyclictest4035-21H222:10:212
1254999202,16cyclictest3991-21H222:10:212
12549992019,1cyclictest28-21ksoftirqd/220:30:142
1254999201,14cyclictest0-21swapper/200:08:372
12548992019,0cyclictest0-21swapper/122:10:161
1254799204,1cyclictest9-21ksoftirqd/022:00:160
1254799202,13cyclictest32492-21munin-run23:35:000
12549991916,2cyclictest3983-21H222:10:212
1254999190,2cyclictest3979-21H222:10:212
1254999190,17cyclictest3987-21H222:10:212
1254999190,16cyclictest4099-21H222:10:212
1254999190,16cyclictest3991-21H222:10:212
1254899192,16cyclictest10198-21open_files20:00:211
12548991916,2cyclictest32416-21nfsd422:35:191
12548991915,3cyclictest0-21swapper/123:00:001
12548991914,4cyclictest870-21systemd-logind21:08:521
12548991912,3cyclictest0-21swapper/121:36:501
1254899190,2cyclictest3991-21H222:10:211
1254899190,2cyclictest3991-21H222:10:211
1254899190,18cyclictest426-21systemd-udevd22:44:511
1254899190,17cyclictest3989-21H222:10:211
1254899190,16cyclictest4099-21H222:10:211
1254899190,16cyclictest3983-21H222:10:211
12547991919,0cyclictest0-21swapper/022:10:160
12547991917,1cyclictest0-21swapper/019:15:050
12547991916,2cyclictest9990-21nfsd420:00:200
1254799190,2cyclictest3979-21H222:10:210
1254799190,18cyclictest0-21swapper/021:53:070
1254799190,16cyclictest4099-21H222:10:210
1254799190,16cyclictest3991-21H222:10:210
1254999183,1cyclictest28-21ksoftirqd/221:55:002
12549991816,1cyclictest271rcuc/219:51:522
12549991816,1cyclictest0-21swapper/221:00:002
12549991815,2cyclictest9535-21idleruntime20:00:162
12549991814,3cyclictest4099-21H222:10:212
12549991814,3cyclictest3989-21H222:10:212
12549991814,2cyclictest3991-21H222:10:212
1254999181,2cyclictest4035-21H222:10:212
1254999180,3cyclictest3991-21H222:10:212
1254999180,2cyclictest4099-21H222:10:212
1254999180,2cyclictest3979-21H222:10:212
1254999180,2cyclictest3979-21H222:10:212
1254999180,2cyclictest3976-21H222:10:212
1254999180,17cyclictest3985-21H222:10:212
1254999180,17cyclictest3979-21H222:10:212
1254999180,16cyclictest4035-21H222:10:212
1254999180,16cyclictest3981-21H222:10:212
1254999180,16cyclictest24009-21cron21:25:012
1254999180,16cyclictest14267-21nfsd423:00:182
1254999180,15cyclictest3985-21H222:10:212
1254899182,15cyclictest21218-21chrt00:10:241
12548991816,1cyclictest0-21swapper/122:45:221
12548991815,2cyclictest3976-21H222:10:211
12548991815,2cyclictest22316-21latency_hist20:25:011
12548991814,3cyclictest9408-21lxd00:38:221
12548991814,3cyclictest4099-21H222:10:211
12548991814,3cyclictest3981-21H222:10:211
12548991814,3cyclictest3981-21H222:10:211
1254899181,16cyclictest3991-21H222:10:211
1254899181,16cyclictest2069-21systemd-udevd00:32:521
1254899180,3cyclictest3985-21H222:10:211
1254899180,2cyclictest3991-21H222:10:211
1254899180,2cyclictest3991-21H222:10:211
1254899180,2cyclictest3991-21H222:10:211
1254899180,2cyclictest3976-21H222:10:211
1254899180,17cyclictest399-20systemd-journal23:00:181
1254899180,17cyclictest3989-21H222:10:211
1254899180,17cyclictest3981-21H222:10:211
1254899180,17cyclictest20740-21sshd23:11:371
1254899180,16cyclictest26224-21proc_pri00:20:201
1254899180,16cyclictest0-21swapper/120:45:191
1254899180,15cyclictest3991-21H222:10:211
1254899180,15cyclictest3983-21H222:10:211
1254799183,1cyclictest0-21swapper/022:19:180
1254799182,1cyclictest0-21swapper/000:13:550
12547991816,1cyclictest0-21swapper/023:55:180
12547991814,3cyclictest3983-21H222:10:210
12547991814,3cyclictest3981-21H222:10:210
1254799181,16cyclictest989-21gmain21:30:010
1254799181,16cyclictest2069-21systemd-udevd00:06:520
1254799180,2cyclictest4099-21H222:10:210
1254799180,2cyclictest4035-21H222:10:210
1254799180,2cyclictest3991-21H222:10:210
1254799180,2cyclictest3989-21H222:10:210
1254799180,2cyclictest3987-21H222:10:210
1254799180,2cyclictest3981-21H222:10:210
1254799180,2cyclictest3979-21H222:10:210
1254799180,17cyclictest4099-21H222:10:210
1254799180,17cyclictest4035-21H222:10:210
1254799180,17cyclictest0-21swapper/000:00:160
1254799180,16cyclictest3976-21H222:10:210
1254799180,16cyclictest0-21swapper/020:15:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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