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2026-08-20 - 10:30
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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 rackdslot3.osadl.org (updated Thu Aug 20, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
182472223196,18sleep00-21swapper/019:07:580
139491206171,23phc2sys0-21swapper/319:05:463
183062202168,23sleep20-21swapper/219:08:442
182432202169,22sleep10-21swapper/119:07:561
2592821810,5sleep21869799cyclictest20:30:202
2141221790,6sleep01869599cyclictest21:30:150
756521520,7sleep11869699cyclictest21:00:191
1588421350,7sleep11869699cyclictest20:10:171
1601621280,7sleep31869899cyclictest23:30:253
1601621280,7sleep31869899cyclictest23:30:253
488921250,6sleep21869799cyclictest23:10:142
18698996231,4cyclictest41-21ksoftirqd/323:15:253
18698996126,4cyclictest41-21ksoftirqd/322:00:013
18698996029,4cyclictest41-21ksoftirqd/323:50:003
18698995929,4cyclictest41-21ksoftirqd/321:45:003
18698995929,4cyclictest41-21ksoftirqd/320:55:233
18698995928,4cyclictest41-21ksoftirqd/319:15:213
18698995828,4cyclictest41-21ksoftirqd/322:50:003
18698995826,4cyclictest41-21ksoftirqd/320:20:233
18698995826,4cyclictest41-21ksoftirqd/319:40:223
18698995816,9cyclictest41-21ksoftirqd/320:50:273
18698995724,4cyclictest41-21ksoftirqd/321:25:283
18698995627,6cyclictest41-21ksoftirqd/323:25:123
18698995627,3cyclictest41-21ksoftirqd/322:05:253
18698995626,7cyclictest41-21ksoftirqd/322:50:263
18698995626,7cyclictest41-21ksoftirqd/319:45:223
18698995622,4cyclictest41-21ksoftirqd/319:25:003
18698995526,6cyclictest41-21ksoftirqd/300:05:253
18698995525,8cyclictest41-21ksoftirqd/320:25:263
18698995524,4cyclictest41-21ksoftirqd/323:15:003
18698995522,4cyclictest41-21ksoftirqd/320:45:003
18698995427,7cyclictest41-21ksoftirqd/320:00:233
18698995425,7cyclictest41-21ksoftirqd/322:10:193
18698995425,3cyclictest41-21ksoftirqd/323:35:223
18698995425,3cyclictest41-21ksoftirqd/323:35:223
18698995424,7cyclictest41-21ksoftirqd/300:25:013
18698995422,4cyclictest41-21ksoftirqd/300:35:003
18698995421,3cyclictest41-21ksoftirqd/300:15:013
18698995325,11cyclictest41-21ksoftirqd/323:55:193
18698995324,7cyclictest41-21ksoftirqd/321:05:013
18698995324,4cyclictest41-21ksoftirqd/323:20:223
18698995324,3cyclictest41-21ksoftirqd/319:10:193
18698995322,7cyclictest41-21ksoftirqd/321:15:003
18698995322,5cyclictest41-21ksoftirqd/320:35:143
18698995322,4cyclictest41-21ksoftirqd/321:35:263
18698995317,4cyclictest41-21ksoftirqd/319:34:593
18696995324,3cyclictest25-21ksoftirqd/120:25:001
18698995225,7cyclictest41-21ksoftirqd/323:45:003
18698995221,4cyclictest41-21ksoftirqd/322:00:143
18698995221,4cyclictest41-21ksoftirqd/322:00:143
18698995220,4cyclictest41-21ksoftirqd/300:25:173
18698995219,7cyclictest41-21ksoftirqd/300:15:223
18698995219,4cyclictest41-21ksoftirqd/320:30:233
18698995216,7cyclictest41-21ksoftirqd/320:15:273
18698995216,7cyclictest41-21ksoftirqd/320:15:273
18698995214,8cyclictest41-21ksoftirqd/300:35:123
18698995121,4cyclictest41-21ksoftirqd/322:30:153
18698995120,7cyclictest41-21ksoftirqd/322:20:163
18698995120,7cyclictest41-21ksoftirqd/322:15:133
18698995117,3cyclictest41-21ksoftirqd/323:10:013
18698995020,6cyclictest41-21ksoftirqd/322:25:123
18698995014,8cyclictest41-21ksoftirqd/323:55:003
18698995013,7cyclictest41-21ksoftirqd/300:05:003
18698994918,8cyclictest41-21ksoftirqd/321:30:133
18698994917,4cyclictest41-21ksoftirqd/319:55:113
18698994917,4cyclictest41-21ksoftirqd/319:35:193
1869899484,7cyclictest41-21ksoftirqd/320:05:253
18698994835,2cyclictest41-21ksoftirqd/320:45:183
18698994817,8cyclictest41-21ksoftirqd/321:05:223
1869899472,2cyclictest41-21ksoftirqd/321:55:003
18698994713,4cyclictest41-21ksoftirqd/321:20:163
18695994742,3cyclictest9-21ksoftirqd/021:24:590
18698994617,3cyclictest41-21ksoftirqd/322:57:453
18698994610,7cyclictest41-21ksoftirqd/322:35:153
1869899453,3cyclictest16033-21turbostat21:19:593
18698994514,10cyclictest41-21ksoftirqd/320:10:153
18698994510,8cyclictest41-21ksoftirqd/323:00:243
1869699455,5cyclictest25-21ksoftirqd/123:00:001
139391450,0ptp4l401ktimersoftd/322:40:113
18698994410,7cyclictest41-21ksoftirqd/319:55:003
1869599434,3cyclictest121rcu_preempt19:50:120
18698994236,3cyclictest41-21ksoftirqd/321:50:003
18695994111,5cyclictest9-21ksoftirqd/023:20:180
1869899393,2cyclictest28157-21taskset19:29:443
18697993934,3cyclictest33-21ksoftirqd/200:40:002
18696993933,3cyclictest3796-21irqrtprio22:00:201
18696993933,3cyclictest3796-21irqrtprio22:00:201
18695993934,3cyclictest9-21ksoftirqd/000:00:000
18696993834,2cyclictest25-21ksoftirqd/123:30:001
18696993833,3cyclictest25-21ksoftirqd/120:45:001
1869699383,2cyclictest121rcu_preempt19:50:191
18696993816,8cyclictest25-21ksoftirqd/123:55:191
18695993834,2cyclictest9-21ksoftirqd/020:35:010
18695993832,4cyclictest9-21ksoftirqd/023:40:000
18695993832,4cyclictest9-21ksoftirqd/023:40:000
18695993822,4cyclictest9-21ksoftirqd/023:30:140
18695993822,4cyclictest9-21ksoftirqd/023:30:140
18695993822,4cyclictest9-21ksoftirqd/023:15:150
18696993733,2cyclictest25-21ksoftirqd/119:50:001
18696993732,3cyclictest25-21ksoftirqd/123:05:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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