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2026-07-05 - 10:40
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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 Jul 05, 2026 00:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1706199246,2cyclictest3991-21H222:10:212
1706199231,17cyclictest28-21ksoftirqd/221:40:132
1705799230,22cyclictest843-21systemd-network20:33:261
17052992322,0cyclictest0-21swapper/021:10:170
1705299220,21cyclictest0-21swapper/019:19:490
17061992118,2cyclictest3987-21H222:10:212
1706199210,3cyclictest0-21swapper/200:30:152
1706199210,1cyclictest0-21swapper/200:14:542
1705299210,5cyclictest0-21swapper/023:20:120
1706199204,2cyclictest3991-21H222:10:212
17061992018,1cyclictest0-21swapper/200:15:282
17052992017,2cyclictest4035-21H222:10:210
1705299201,4cyclictest17353-21uname22:00:170
17061991919,0cyclictest0-21swapper/221:10:172
17061991918,0cyclictest0-21swapper/223:31:002
17061991916,2cyclictest26973-21open_files19:25:192
1706199190,2cyclictest4035-21H222:10:212
1706199190,2cyclictest3981-21H222:10:212
1706199190,2cyclictest3976-21H222:10:212
1706199190,2cyclictest3976-21H222:10:212
1706199190,16cyclictest4035-21H222:10:212
1706199190,16cyclictest3989-21H222:10:212
1706199190,16cyclictest3985-21H222:10:212
1706199190,16cyclictest3985-21H222:10:212
1706199190,16cyclictest3981-21H222:10:212
1706199190,16cyclictest3979-21H222:10:212
1706199190,16cyclictest3979-21H222:10:212
1706199190,16cyclictest3976-21H222:10:212
17057991917,1cyclictest21-21ksoftirqd/100:30:081
17057991914,4cyclictest25913-21cstates00:10:131
1705799190,2cyclictest4035-21H222:10:211
1705799190,2cyclictest3979-21H222:10:211
1705799190,18cyclictest0-21swapper/120:50:141
1705799190,16cyclictest3989-21H222:10:211
1705799190,16cyclictest3985-21H222:10:211
1705299193,2cyclictest29815-21cron22:25:010
1705299192,2cyclictest3981-21H222:10:210
1705299192,16cyclictest2704-21chrt20:36:330
17052991917,1cyclictest9-21ksoftirqd/000:20:400
17052991917,1cyclictest0-21swapper/023:19:430
17052991914,1cyclictest0-21swapper/022:40:130
17052991914,1cyclictest0-21swapper/022:40:130
1705299190,2cyclictest3987-21H222:10:210
1705299190,1cyclictest0-21swapper/020:35:010
1705299190,18cyclictest0-21swapper/022:34:580
1705299190,16cyclictest3991-21H222:10:210
1706199182,15cyclictest8059-21awk00:35:162
17061991818,0cyclictest0-21swapper/219:53:312
17061991816,1cyclictest28-21ksoftirqd/219:36:282
17061991816,1cyclictest28-21ksoftirqd/200:04:502
17061991816,1cyclictest0-21swapper/219:30:172
17061991815,2cyclictest3989-21H222:10:212
17061991815,2cyclictest3989-21H222:10:212
17061991815,2cyclictest1100-21snmpd23:44:552
17061991814,3cyclictest455-21plymouthd22:10:162
17061991814,3cyclictest4099-21H222:10:212
1706199181,2cyclictest2007-21systemd-journal20:21:052
1706199180,2cyclictest3987-21H222:10:212
1706199180,2cyclictest3976-21H222:10:212
1706199180,17cyclictest3987-21H222:10:212
1706199180,17cyclictest28-21ksoftirqd/223:57:422
17057991816,1cyclictest21-21ksoftirqd/120:42:051
17057991816,1cyclictest21-21ksoftirqd/100:00:101
17057991816,1cyclictest0-21swapper/122:07:541
17057991816,1cyclictest0-21swapper/121:48:311
17057991815,2cyclictest14886-21nfsd421:55:181
17057991814,3cyclictest3989-21H222:10:211
17057991814,3cyclictest3981-21H222:10:211
17057991814,3cyclictest3981-21H222:10:211
17057991814,3cyclictest3979-21H222:10:211
17057991813,3cyclictest10669-21nfsd422:45:171
1705799181,2cyclictest3979-21H222:10:211
1705799180,2cyclictest4099-21H222:10:211
1705799180,2cyclictest3991-21H222:10:211
1705799180,2cyclictest3989-21H222:10:211
1705799180,2cyclictest3979-21H222:10:211
1705799180,17cyclictest3983-21H222:10:211
1705799180,17cyclictest3979-21H222:10:211
1705799180,17cyclictest3829-21cpuspeed_turbos22:35:131
1705799180,17cyclictest0-21swapper/123:00:181
1705799180,16cyclictest3991-21H222:10:211
1705799180,15cyclictest3979-21H222:10:211
1705299182,15cyclictest9-21ksoftirqd/023:39:030
17052991816,1cyclictest9-21ksoftirqd/022:37:480
17052991816,1cyclictest9-21ksoftirqd/020:43:240
17052991814,3cyclictest4099-21H222:10:210
17052991814,3cyclictest3987-21H222:10:210
17052991814,3cyclictest3976-21H222:10:210
17052991814,3cyclictest11230-21https23:45:010
1705299181,3cyclictest3976-21H222:10:210
1705299181,16cyclictest1027-21wpa_supplicant20:48:290
1705299181,15cyclictest17529-21cpuspeed_turbos19:10:120
1705299180,2cyclictest3989-21H222:10:210
1705299180,2cyclictest3985-21H222:10:210
1705299180,2cyclictest3979-21H222:10:210
1705299180,2cyclictest3976-21H222:10:210
1705299180,17cyclictest19017-21memory23:00:190
1705299180,17cyclictest0-21swapper/021:20:180
1705299180,16cyclictest18845-21grep21:05:180
1705299180,15cyclictest4099-21H222:10:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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