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2026-07-23 - 07:09
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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 23, 2026 01:00:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2774299216208,3cyclictest4407-21CPU36
2774299216208,3cyclictest4407-21CPU36
2774299216208,3cyclictest4407-21CPU36
27741992102,4cyclictest3545-21CPU35
27741992102,4cyclictest3545-21CPU35
2774699208200,6cyclictest0-21swapper/1000:16:182
2774699208200,6cyclictest0-21swapper/1000:16:182
2773399208201,3cyclictest4408-21CPU0
2773399208201,3cyclictest4408-21CPU0
2777299206191,11cyclictest0-21swapper/3300:32:2327
2777299206191,11cyclictest0-21swapper/3300:32:2227
2777299205200,4cyclictest0-21swapper/3321:46:4227
2777299205200,4cyclictest0-21swapper/3321:46:4227
27734992044,5cyclictest4408-21CPU1
27734992044,5cyclictest4408-21CPU1
27734992044,5cyclictest4408-21CPU1
2777399203195,6cyclictest0-21swapper/3419:31:1428
2777099201126,71cyclictest2461-21CPU25
2777099201126,71cyclictest2461-21CPU25
2777099201126,71cyclictest2461-21CPU25
2777299199186,11cyclictest0-21swapper/3321:40:5527
2777299199186,11cyclictest0-21swapper/3321:40:5427
2774699199185,11cyclictest0-21swapper/1023:50:082
2774699199185,11cyclictest0-21swapper/1023:50:082
2777299198191,5cyclictest0-21swapper/3300:28:0927
2777299198191,5cyclictest0-21swapper/3300:28:0927
2774699197191,4cyclictest0-21swapper/1023:35:132
2774699197191,4cyclictest0-21swapper/1023:35:132
2777299195189,4cyclictest0-21swapper/3321:39:0927
2777299195189,4cyclictest0-21swapper/3321:39:0927
2773399194171,11cyclictest171rcu_preempt22:07:310
2773399194171,11cyclictest171rcu_preempt22:07:310
27735991931,3cyclictest0-21swapper/219:10:1512
27735991931,3cyclictest0-21swapper/219:10:1512
2774699192180,8cyclictest0-21swapper/1023:46:552
2774699192180,8cyclictest0-21swapper/1023:46:542
2777299191183,6cyclictest0-21swapper/3320:00:1827
2777299191183,6cyclictest0-21swapper/3320:00:1827
2777099191154,25cyclictest0-21swapper/3122:18:4525
2777099191154,25cyclictest0-21swapper/3122:18:4525
2774699190182,6cyclictest0-21swapper/1000:00:222
2774699190182,6cyclictest0-21swapper/1000:00:222
2774699190182,6cyclictest0-21swapper/1000:00:212
2774699190181,6cyclictest3609-21CPU2
2774699190181,6cyclictest3609-21CPU2
2777499189149,31cyclictest0-21swapper/3500:04:5629
2777499189149,31cyclictest0-21swapper/3500:04:5629
2777499189149,31cyclictest0-21swapper/3500:04:5629
2777399189168,10cyclictest0-21swapper/3420:05:2728
2777399189168,10cyclictest0-21swapper/3420:05:2728
2773399189141,18cyclictest0-21swapper/022:57:180
2773399189141,18cyclictest0-21swapper/022:57:180
2777399187182,4cyclictest0-21swapper/3420:21:1528
2777399187182,4cyclictest0-21swapper/3420:21:1528
2777299187172,13cyclictest0-21swapper/3321:00:1727
2777299187172,13cyclictest0-21swapper/3321:00:1727
2777099187143,32cyclictest0-21swapper/3122:02:1525
2777099187143,32cyclictest0-21swapper/3122:02:1525
2776999187174,4cyclictest0-21swapper/3023:25:5324
2776999187174,4cyclictest0-21swapper/3023:25:5324
2774299187179,6cyclictest0-21swapper/622:47:2836
2774299187179,6cyclictest0-21swapper/622:47:2836
2773399187167,16cyclictest0-21swapper/022:51:470
2773399187167,16cyclictest0-21swapper/022:51:470
2773399187167,16cyclictest0-21swapper/022:51:460
2777399186169,5cyclictest0-21swapper/3419:13:3028
2777399186169,5cyclictest0-21swapper/3419:13:3028
2777299186149,14cyclictest171rcu_preempt21:05:4127
2777299186149,14cyclictest171rcu_preempt21:05:4127
2777099186143,32cyclictest0-21swapper/3122:11:3325
2777099186143,32cyclictest0-21swapper/3122:11:3325
2777099186143,32cyclictest0-21swapper/3122:11:3325
2774299186170,14cyclictest0-21swapper/622:06:0536
2774299186170,14cyclictest0-21swapper/622:06:0536
2777399185172,10cyclictest0-21swapper/3420:50:0328
2777399185172,10cyclictest0-21swapper/3420:50:0328
2777299185135,24cyclictest0-21swapper/3322:43:5427
2777299185135,24cyclictest0-21swapper/3322:43:5427
2774799184151,22cyclictest0-21swapper/1121:35:453
2774799184151,22cyclictest0-21swapper/1121:35:453
2777499183152,26cyclictest0-21swapper/3523:11:4929
2777499183152,26cyclictest0-21swapper/3523:11:4929
2777399183178,4cyclictest0-21swapper/3420:05:0228
2777399183178,4cyclictest0-21swapper/3420:05:0128
2777399183146,14cyclictest0-21swapper/3421:45:4228
2777399183146,14cyclictest0-21swapper/3421:45:4128
2774699183176,5cyclictest0-21swapper/1020:35:232
2777499182131,42cyclictest0-21swapper/3519:10:3429
2777499182131,42cyclictest0-21swapper/3519:10:3429
2777399182138,20cyclictest0-21swapper/3422:43:2228
2777399182138,20cyclictest0-21swapper/3422:43:2228
2774299182175,5cyclictest0-21swapper/620:40:0336
2777399181169,10cyclictest0-21swapper/3420:14:3928
2777399181169,10cyclictest0-21swapper/3420:14:3928
2777299181165,13cyclictest0-21swapper/3320:45:2427
2777299181165,13cyclictest0-21swapper/3320:45:2427
2774699181174,5cyclictest0-21swapper/1000:08:162
2774699181174,5cyclictest0-21swapper/1000:08:162
2774699181172,7cyclictest0-21swapper/1000:13:422
2774699181172,7cyclictest0-21swapper/1000:13:422
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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