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2026-05-25 - 04:24
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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 Mon May 25, 2026 00:48:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
330891282274,6phc2sys0-21swapper/219:08:2212
30459926962,11cyclictest82-21ksoftirqd/1121:24:093
3273912200,212ptp4l0-21swapper/119:09:141
3150991642,147cyclictest0-21swapper/2521:30:1618
3150991642,140cyclictest0-21swapper/2522:13:3418
3150991632,147cyclictest0-21swapper/2521:44:4218
3150991612,113cyclictest0-21swapper/2523:49:1418
3150991582,114cyclictest0-21swapper/2522:05:1918
3150991542,108cyclictest0-21swapper/2500:19:1018
30159915222,91cyclictest151rcu_preempt21:17:4928
3176991482,115cyclictest0-21swapper/2823:30:2321
3176991481,129cyclictest0-21swapper/2821:25:1321
3150991482,107cyclictest0-21swapper/2523:41:1318
3075991480,85cyclictest0-21swapper/1520:00:517
3176991472,140cyclictest0-21swapper/2800:24:5421
3176991472,140cyclictest0-21swapper/2800:24:5421
3176991472,120cyclictest0-21swapper/2823:16:2921
3176991451,95cyclictest0-21swapper/2823:27:4221
31449914522,121cyclictest0-21swapper/2423:13:0917
3176991442,126cyclictest0-21swapper/2820:50:1921
3150991442,105cyclictest0-21swapper/2521:29:2818
31449914422,81cyclictest0-21swapper/2400:20:1817
31449914422,81cyclictest0-21swapper/2400:20:1817
3184991434,136cyclictest151rcu_preempt22:08:0822
3184991430,88cyclictest0-21swapper/2923:22:0222
31449914322,80cyclictest0-21swapper/2420:40:2317
3176991422,103cyclictest0-21swapper/2823:10:1121
31449914222,80cyclictest0-21swapper/2422:45:2517
31449914122,82cyclictest0-21swapper/2421:40:1317
31449914022,69cyclictest0-21swapper/2400:05:0017
3184991390,89cyclictest0-21swapper/2920:17:0722
3176991391,100cyclictest0-21swapper/2821:37:3621
3184991383,109cyclictest191-21ksoftirqd/2922:22:1122
31449913822,76cyclictest0-21swapper/2421:10:2017
31449913822,71cyclictest0-21swapper/2421:32:1117
30209913827,110cyclictest0-21swapper/700:29:4229
3184991370,83cyclictest0-21swapper/2900:12:4922
30209913755,81cyclictest0-21swapper/700:23:5529
30209913755,81cyclictest0-21swapper/700:23:5529
30209913747,59cyclictest0-21swapper/723:44:0729
3176991361,102cyclictest0-21swapper/2800:37:1121
31449913621,65cyclictest0-21swapper/2423:34:3517
31449913522,72cyclictest0-21swapper/2421:23:2017
31449913517,86cyclictest0-21swapper/2419:20:1217
31449913517,86cyclictest0-21swapper/2419:20:1217
30209913528,69cyclictest0-21swapper/722:47:2829
30209913453,64cyclictest0-21swapper/723:51:4529
30209913453,56cyclictest0-21swapper/722:16:2829
30209913446,60cyclictest0-21swapper/700:01:1429
30209913442,60cyclictest0-21swapper/720:55:1429
30209913431,69cyclictest0-21swapper/721:35:1929
30209913428,71cyclictest0-21swapper/723:19:3229
3184991330,82cyclictest0-21swapper/2900:09:0522
30209913329,70cyclictest0-21swapper/721:41:4329
31449913217,87cyclictest0-21swapper/2420:35:0117
30209913229,71cyclictest0-21swapper/719:10:1429
30209913229,71cyclictest0-21swapper/719:10:1429
30209913229,67cyclictest0-21swapper/722:06:5129
30209913228,71cyclictest0-21swapper/721:55:2229
30209913228,70cyclictest0-21swapper/719:45:1429
30209913228,70cyclictest0-21swapper/700:37:0229
30209913227,68cyclictest0-21swapper/723:24:5329
30209913225,66cyclictest0-21swapper/722:24:2929
3176991311,93cyclictest0-21swapper/2821:55:1421
30209913155,66cyclictest0-21swapper/720:40:1629
30209913149,73cyclictest0-21swapper/723:38:4729
30209913149,63cyclictest0-21swapper/722:02:0029
30209913141,60cyclictest0-21swapper/720:31:1129
30209913129,71cyclictest0-21swapper/721:20:3529
30209913127,73cyclictest0-21swapper/723:09:5529
30209913127,67cyclictest0-21swapper/700:10:1929
30209913127,66cyclictest0-21swapper/700:16:4529
31849913016,91cyclictest0-21swapper/2922:35:0022
3176991302,89cyclictest0-21swapper/2821:52:0221
30209913042,65cyclictest0-21swapper/723:30:4429
30209913041,62cyclictest0-21swapper/720:10:2029
31949912914,111cyclictest0-21swapper/3023:25:1824
3184991295,67cyclictest0-21swapper/2922:50:3022
3150991290,84cyclictest0-21swapper/2522:37:0518
30759912939,53cyclictest0-21swapper/1520:45:127
30209912955,67cyclictest0-21swapper/720:54:5529
30209912940,59cyclictest0-21swapper/722:30:2229
30209912929,69cyclictest0-21swapper/719:51:4729
30209912928,70cyclictest0-21swapper/723:46:1629
3015991299,71cyclictest0-21swapper/623:53:1128
30759912854,64cyclictest0-21swapper/1500:18:287
30759912828,61cyclictest0-21swapper/1521:14:367
30759912826,70cyclictest0-21swapper/1523:41:037
30209912833,64cyclictest0-21swapper/720:05:0029
30209912831,75cyclictest0-21swapper/721:33:1029
30209912830,72cyclictest0-21swapper/721:51:2129
31949912714,80cyclictest0-21swapper/3021:20:4424
31949912714,111cyclictest0-21swapper/3021:36:4524
31449912722,60cyclictest0-21swapper/2423:06:4717
30759912736,59cyclictest0-21swapper/1500:27:017
30759912727,68cyclictest0-21swapper/1523:29:497
30759912725,64cyclictest0-21swapper/1500:22:307
30759912725,64cyclictest0-21swapper/1500:22:307
30209912729,69cyclictest0-21swapper/721:45:3729
30209912727,64cyclictest0-21swapper/722:27:0929
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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