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2026-06-15 - 02:26
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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 Mon Jun 15, 2026 01:03:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
627599215125,86cyclictest372-21kswapd000:05:2437
627599215125,86cyclictest372-21kswapd000:05:2437
631399199174,18cyclictest0-21swapper/3823:27:5232
631399199174,18cyclictest0-21swapper/3823:27:5232
631399199174,18cyclictest0-21swapper/3823:27:5232
630299197120,26cyclictest0-21swapper/2900:27:5822
630299197120,26cyclictest0-21swapper/2900:27:5822
630299197120,26cyclictest0-21swapper/2900:27:5822
630899184101,81cyclictest373-21kswapd100:38:5229
630899184101,81cyclictest373-21kswapd100:38:5229
630899184101,81cyclictest373-21kswapd100:38:5129
629599183122,59cyclictest372-21kswapd000:29:2116
629599183122,59cyclictest372-21kswapd000:29:2116
629599183122,59cyclictest372-21kswapd000:29:2116
630299182166,5cyclictest0-21swapper/2922:25:4622
630299182166,5cyclictest0-21swapper/2922:25:4622
630699181111,64cyclictest3545-21CPU27
630699181111,64cyclictest3545-21CPU27
630799180169,9cyclictest0-21swapper/3421:43:5728
630799180169,9cyclictest0-21swapper/3421:43:5728
630699179166,4cyclictest0-21swapper/3322:27:1227
630699179166,4cyclictest0-21swapper/3322:27:1227
627399179129,41cyclictest3544-21CPU35
627399179129,41cyclictest3544-21CPU35
627399179129,41cyclictest3544-21CPU35
630799177154,10cyclictest0-21swapper/3423:59:4828
630799177154,10cyclictest0-21swapper/3423:59:4828
629299177150,14cyclictest171rcu_preempt20:30:0013
629299177150,14cyclictest171rcu_preempt20:30:0013
627999177153,8cyclictest0-21swapper/1121:06:403
627999177153,8cyclictest0-21swapper/1121:06:393
630699176164,10cyclictest0-21swapper/3323:02:3627
630699176164,10cyclictest0-21swapper/3323:02:3627
630699176164,10cyclictest0-21swapper/3323:02:3627
630699175148,14cyclictest0-21swapper/3323:55:4927
630699175148,14cyclictest0-21swapper/3323:55:4927
630299175114,46cyclictest3609-21CPU22
630299175114,46cyclictest3609-21CPU22
630299175114,46cyclictest3609-21CPU22
630299175114,46cyclictest3609-21CPU22
627999175118,40cyclictest0-21swapper/1122:46:393
627999175118,40cyclictest0-21swapper/1122:46:393
627899175133,19cyclictest0-21swapper/1020:19:572
627899175133,19cyclictest0-21swapper/1020:19:572
627399173137,25cyclictest0-21swapper/522:33:4135
627399173137,25cyclictest0-21swapper/522:33:4135
627399173134,26cyclictest0-21swapper/523:09:3435
627399173134,26cyclictest0-21swapper/523:09:3435
630299172159,2cyclictest0-21swapper/2923:29:1622
630299172159,2cyclictest0-21swapper/2923:29:1622
630299172159,2cyclictest0-21swapper/2923:29:1622
627899172159,11cyclictest0-21swapper/1023:20:172
627899172159,11cyclictest0-21swapper/1023:20:172
631399171144,16cyclictest0-21swapper/3822:41:5032
631399171144,16cyclictest0-21swapper/3822:41:5032
631399171144,16cyclictest0-21swapper/3822:41:5032
630499171162,8cyclictest0-21swapper/3123:51:2925
630499171162,8cyclictest0-21swapper/3123:51:2925
630499171143,14cyclictest0-21swapper/3123:55:4925
630499171143,14cyclictest0-21swapper/3123:55:4925
63029917180,84cyclictest3609-21CPU22
63029917180,84cyclictest3609-21CPU22
629599171122,47cyclictest372-21kswapd000:36:0416
629599171122,47cyclictest372-21kswapd000:36:0416
629599171122,47cyclictest372-21kswapd000:36:0316
628199171164,4cyclictest0-21swapper/1200:27:254
628199171164,4cyclictest0-21swapper/1200:27:254
628199171164,4cyclictest0-21swapper/1200:27:254
628199171111,32cyclictest3544-21CPU4
628199171111,32cyclictest3544-21CPU4
628199171111,32cyclictest3544-21CPU4
630699170160,8cyclictest0-21swapper/3321:18:4827
630699170160,8cyclictest0-21swapper/3321:18:4827
630699170160,8cyclictest0-21swapper/3321:18:4827
630299170156,12cyclictest0-21swapper/2922:49:4222
630299170156,12cyclictest0-21swapper/2922:49:4222
627699170159,9cyclictest755-21systemd-journal23:47:5038
627699170159,9cyclictest755-21systemd-journal23:47:5038
630699169161,6cyclictest0-21swapper/3321:41:4527
630699169161,6cyclictest0-21swapper/3321:41:4527
630299169152,9cyclictest0-21swapper/2921:52:4922
630299169152,9cyclictest0-21swapper/2921:52:4922
630299169152,9cyclictest0-21swapper/2921:52:4922
627399169127,29cyclictest0-21swapper/500:28:3635
627399169127,29cyclictest0-21swapper/500:28:3635
627399169127,29cyclictest0-21swapper/500:28:3635
630799168126,38cyclictest37267-21CPU28
630799168126,38cyclictest37267-21CPU28
627999168109,45cyclictest0-21swapper/1121:54:053
627999168109,45cyclictest0-21swapper/1121:54:053
627999168109,45cyclictest0-21swapper/1121:54:053
627699168146,12cyclictest0-21swapper/821:34:3638
627699168146,12cyclictest0-21swapper/821:34:3638
627699168146,12cyclictest0-21swapper/821:34:3638
626999168163,3cyclictest372-21kswapd021:30:221
626999168163,3cyclictest372-21kswapd021:30:221
626999168163,3cyclictest372-21kswapd021:30:221
630799166152,12cyclictest0-21swapper/3422:56:1228
630799166152,12cyclictest0-21swapper/3422:56:1228
630299166163,1cyclictest0-21swapper/2921:33:0822
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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