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2026-05-05 - 05:54
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackcslot8.osadl.org (updated Tue May 05, 2026 00:49:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
108499927379,1cyclictest151rcu_preempt22:35:1618
3273912710,263ptp4l0-21swapper/119:07:271
330891242234,6phc2sys0-21swapper/219:09:5012
107419921918,4cyclictest151rcu_preempt22:40:430
108569917429,144cyclictest0-21swapper/2722:42:1420
108569916315,136cyclictest0-21swapper/2721:10:0220
108569916133,73cyclictest0-21swapper/2722:20:2420
108569915933,94cyclictest0-21swapper/2723:55:1220
108569915933,94cyclictest0-21swapper/2723:55:1220
108129915363,28cyclictest151rcu_preempt23:15:178
108129915363,28cyclictest151rcu_preempt23:15:178
108269915138,40cyclictest0-21swapper/2023:45:1513
108269915138,40cyclictest0-21swapper/2023:45:1513
108569915020,95cyclictest0-21swapper/2700:01:5120
108569915020,95cyclictest0-21swapper/2700:01:5120
108609914926,120cyclictest151rcu_preempt22:49:1621
108129914915,97cyclictest151rcu_preempt20:23:238
107869914921,106cyclictest0-21swapper/1000:39:162
108129914778,12cyclictest151rcu_preempt21:20:258
10786991453,141cyclictest0-21swapper/1000:35:002
10751991450,89cyclictest0-21swapper/221:50:4712
10751991450,88cyclictest0-21swapper/222:01:2812
107519914448,59cyclictest0-21swapper/219:10:1912
10751991442,83cyclictest0-21swapper/222:50:3912
10751991441,85cyclictest0-21swapper/223:28:3512
10751991441,85cyclictest0-21swapper/223:28:3512
10751991440,86cyclictest0-21swapper/219:51:3612
10751991440,85cyclictest0-21swapper/219:28:0812
10864991430,84cyclictest0-21swapper/2922:31:1922
10864991430,84cyclictest0-21swapper/2921:40:1922
10864991420,84cyclictest0-21swapper/2923:05:3122
10864991420,84cyclictest0-21swapper/2923:05:3122
108269914227,49cyclictest0-21swapper/2023:43:1613
108269914227,49cyclictest0-21swapper/2023:43:1513
10826991421,83cyclictest0-21swapper/2000:30:0613
10826991421,83cyclictest0-21swapper/2000:00:1313
10826991421,83cyclictest0-21swapper/2000:00:1313
10751991420,85cyclictest0-21swapper/200:05:2912
10751991420,85cyclictest0-21swapper/200:05:2812
10751991420,83cyclictest0-21swapper/200:00:3912
10751991420,83cyclictest0-21swapper/200:00:3912
108649914147,62cyclictest0-21swapper/2923:19:2522
108649914147,62cyclictest0-21swapper/2923:19:2522
10864991410,83cyclictest0-21swapper/2919:25:2022
10864991410,83cyclictest0-21swapper/2900:21:5722
10864991410,83cyclictest0-21swapper/2900:21:5722
107519914151,56cyclictest0-21swapper/223:40:2012
107519914151,56cyclictest0-21swapper/223:40:2012
10751991410,83cyclictest0-21swapper/223:53:4412
10751991410,83cyclictest0-21swapper/223:53:4312
10746991410,82cyclictest0-21swapper/100:30:021
108649914034,63cyclictest0-21swapper/2921:45:3822
108569914038,64cyclictest0-21swapper/2700:17:3920
108569914038,64cyclictest0-21swapper/2700:17:3920
10751991400,88cyclictest0-21swapper/220:54:2212
10751991400,83cyclictest0-21swapper/223:02:5612
10751991400,82cyclictest0-21swapper/223:55:1912
10751991400,82cyclictest0-21swapper/223:55:1912
108649913930,66cyclictest0-21swapper/2922:42:0022
10864991390,82cyclictest0-21swapper/2922:06:1222
10826991391,77cyclictest0-21swapper/2022:25:1913
10826991390,85cyclictest0-21swapper/2022:05:5913
107519913934,64cyclictest0-21swapper/221:25:0712
10751991390,86cyclictest0-21swapper/222:49:0212
108649913830,67cyclictest0-21swapper/2921:09:3222
108649913830,65cyclictest0-21swapper/2921:53:5422
108649913830,65cyclictest0-21swapper/2921:10:0422
10864991380,85cyclictest0-21swapper/2920:42:4922
10860991380,84cyclictest0-21swapper/2823:55:1921
10860991380,84cyclictest0-21swapper/2823:55:1821
108269913828,44cyclictest0-21swapper/2022:02:4613
107869913849,61cyclictest0-21swapper/1022:18:102
107519913850,60cyclictest0-21swapper/219:45:1312
107519913830,65cyclictest0-21swapper/222:05:1212
10751991380,82cyclictest0-21swapper/223:09:5312
10751991380,82cyclictest0-21swapper/223:09:5312
10751991380,81cyclictest0-21swapper/222:58:0712
10751991380,80cyclictest0-21swapper/221:21:2412
10751991380,80cyclictest0-21swapper/219:20:0512
108649913751,61cyclictest0-21swapper/2922:35:0322
10864991370,81cyclictest0-21swapper/2920:10:1322
10864991370,80cyclictest0-21swapper/2919:40:2222
107869913731,69cyclictest0-21swapper/1000:18:272
107869913731,69cyclictest0-21swapper/1000:18:262
107519913730,67cyclictest0-21swapper/220:55:5812
10751991370,86cyclictest0-21swapper/223:47:1712
10751991370,86cyclictest0-21swapper/223:47:1712
10751991370,82cyclictest0-21swapper/221:05:1612
108649913631,71cyclictest0-21swapper/2922:53:3022
108649913630,67cyclictest0-21swapper/2921:30:2322
108649913629,71cyclictest0-21swapper/2923:02:5122
108649913629,68cyclictest0-21swapper/2920:30:3222
108649913629,64cyclictest0-21swapper/2921:35:1222
108269913636,62cyclictest0-21swapper/2000:38:5713
107519913631,71cyclictest0-21swapper/219:30:1912
107519913629,61cyclictest0-21swapper/200:17:1412
107519913629,61cyclictest0-21swapper/200:17:1412
10751991360,84cyclictest0-21swapper/222:40:1612
10751991360,80cyclictest0-21swapper/221:10:0912
10751991360,79cyclictest0-21swapper/223:13:1912
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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