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2026-07-09 - 12:25
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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 rack6slot0.osadl.org (updated Thu Jul 09, 2026 01:01:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
915599203194,7cyclictest0-21swapper/3123:12:0325
915599203194,7cyclictest0-21swapper/3123:12:0325
915599203194,7cyclictest0-21swapper/3123:12:0325
915599191184,5cyclictest0-21swapper/3120:15:1025
915599190177,11cyclictest0-21swapper/3123:40:0825
915599190177,11cyclictest0-21swapper/3123:40:0725
914499189129,55cyclictest3547-21CPU15
914499189129,55cyclictest3547-21CPU15
915599188181,5cyclictest0-21swapper/3122:25:2925
915599188181,5cyclictest0-21swapper/3122:25:2925
915599187183,3cyclictest0-21swapper/3122:36:5725
915599187183,3cyclictest0-21swapper/3122:36:5625
915599187183,3cyclictest0-21swapper/3122:36:5625
915599186174,10cyclictest0-21swapper/3122:14:1225
915599186174,10cyclictest0-21swapper/3122:14:1225
915599185179,4cyclictest0-21swapper/3123:48:4325
915599185179,4cyclictest0-21swapper/3123:48:4325
915599185178,5cyclictest0-21swapper/3122:50:4625
915599185178,5cyclictest0-21swapper/3122:50:4525
915599185178,5cyclictest0-21swapper/3122:50:4525
915599185173,10cyclictest39144-21bash23:52:0125
915599185173,10cyclictest39144-21bash23:52:0125
915599185173,10cyclictest0-21swapper/3100:09:4925
915599185173,10cyclictest0-21swapper/3100:09:4825
914299185166,10cyclictest0-21swapper/2020:00:4013
914299185166,10cyclictest0-21swapper/2020:00:4013
915599183177,5cyclictest0-21swapper/3123:00:4525
915599183177,5cyclictest0-21swapper/3123:00:4525
915599183177,5cyclictest0-21swapper/3123:00:4525
915599183174,6cyclictest0-21swapper/3122:58:3125
915599183174,6cyclictest0-21swapper/3122:58:3125
915599183171,10cyclictest0-21swapper/3120:10:0425
915599182175,5cyclictest0-21swapper/3122:40:3025
915599182175,5cyclictest0-21swapper/3122:40:3025
915599182172,8cyclictest0-21swapper/3100:20:4325
915599182172,8cyclictest0-21swapper/3100:20:4325
914999182178,2cyclictest0-21swapper/2523:37:5018
914999182178,2cyclictest0-21swapper/2523:37:5018
9129991828,156cyclictest37270-21CPU39
9129991828,156cyclictest37270-21CPU39
912699182170,10cyclictest0-21swapper/600:26:1636
912699182170,10cyclictest0-21swapper/600:26:1536
912699182170,10cyclictest0-21swapper/600:26:1536
915599181170,8cyclictest0-21swapper/3123:32:4025
915599181170,8cyclictest0-21swapper/3123:32:4025
915599181170,8cyclictest0-21swapper/3123:32:4025
915599180174,4cyclictest0-21swapper/3122:09:5025
915599180174,4cyclictest0-21swapper/3122:09:4925
915599180174,4cyclictest0-21swapper/3119:10:1425
915599180174,4cyclictest0-21swapper/3119:10:1425
915599180170,7cyclictest0-21swapper/3123:21:2625
915599180170,7cyclictest0-21swapper/3123:21:2525
915599180170,7cyclictest0-21swapper/3123:21:2525
915599180162,15cyclictest0-21swapper/3121:35:0225
915599180162,15cyclictest0-21swapper/3121:35:0225
914099180117,46cyclictest3609-21CPU11
914099180117,46cyclictest3609-21CPU11
916399179160,9cyclictest0-21swapper/3721:20:5131
916399179160,9cyclictest0-21swapper/3721:20:5131
915599179172,5cyclictest0-21swapper/3100:30:2125
915599179172,5cyclictest0-21swapper/3100:30:2125
915599179172,3cyclictest3542-21CPU25
915599179172,3cyclictest3542-21CPU25
915599179170,7cyclictest0-21swapper/3119:50:0225
915599179170,7cyclictest0-21swapper/3119:50:0225
914299179169,8cyclictest0-21swapper/2022:21:1113
914299179169,8cyclictest0-21swapper/2022:21:1113
913999179105,31cyclictest0-21swapper/1800:21:1810
913999179105,31cyclictest0-21swapper/1800:21:1810
912999179147,30cyclictest0-21swapper/921:57:5239
912999179147,30cyclictest0-21swapper/921:57:5239
91559917885,64cyclictest2447-21CPU25
91559917885,64cyclictest2447-21CPU25
91559917885,64cyclictest2447-21CPU25
915599178171,5cyclictest0-21swapper/3121:22:0625
915599178171,5cyclictest0-21swapper/3121:22:0525
914999178168,6cyclictest0-21swapper/2523:18:1318
914999178168,6cyclictest0-21swapper/2523:18:1218
914099178136,39cyclictest0-21swapper/1922:21:5511
914099178136,39cyclictest0-21swapper/1922:21:5411
913999178150,10cyclictest171rcu_preempt21:17:0410
913999178150,10cyclictest171rcu_preempt21:17:0410
9129991781,174cyclictest0-21swapper/923:30:2039
9129991781,174cyclictest0-21swapper/923:30:1939
9129991781,174cyclictest0-21swapper/923:30:1939
915599177170,5cyclictest0-21swapper/3122:32:4225
915599177170,5cyclictest0-21swapper/3122:32:4225
915599177170,5cyclictest0-21swapper/3100:10:1525
915599177170,5cyclictest0-21swapper/3100:10:1425
913199177141,26cyclictest0-21swapper/1123:28:263
913199177141,26cyclictest0-21swapper/1123:28:263
91639917678,85cyclictest3544-21CPU31
91639917678,85cyclictest3544-21CPU31
915599176171,4cyclictest0-21swapper/3122:05:0025
915599176171,4cyclictest0-21swapper/3122:05:0025
915599176171,4cyclictest0-21swapper/3122:05:0025
915599176171,4cyclictest0-21swapper/3119:35:4225
915599176171,4cyclictest0-21swapper/3119:35:4225
915599176169,5cyclictest0-21swapper/3100:15:5225
915599176169,5cyclictest0-21swapper/3100:15:5225
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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