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2026-04-02 - 08:49
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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 Apr 02, 2026 01:02:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2330299202174,21cyclictest0-21swapper/3320:35:1327
2330299202174,21cyclictest0-21swapper/3320:35:1327
2327899201194,5cyclictest0-21swapper/1423:13:536
2327899201194,5cyclictest0-21swapper/1423:13:526
2330299198148,28cyclictest0-21swapper/3300:38:4927
2330299198148,28cyclictest0-21swapper/3300:38:4827
2330299198148,28cyclictest0-21swapper/3300:38:4827
2330199198174,22cyclictest0-21swapper/3222:25:1826
2330199198174,22cyclictest0-21swapper/3222:25:1826
2329199195185,7cyclictest0-21swapper/2423:40:0717
2329199195185,7cyclictest0-21swapper/2423:40:0717
2330199193172,16cyclictest0-21swapper/3221:25:1226
2330199193172,16cyclictest0-21swapper/3221:25:1226
2328999191182,7cyclictest0-21swapper/2222:18:2715
2328999191182,7cyclictest0-21swapper/2222:18:2715
2330199190173,15cyclictest0-21swapper/3222:04:2726
2330199190173,15cyclictest0-21swapper/3222:04:2626
2330199190173,15cyclictest0-21swapper/3222:04:2626
2330199187181,4cyclictest0-21swapper/3221:32:1026
2330199187181,4cyclictest0-21swapper/3221:32:1026
2330199187171,13cyclictest0-21swapper/3222:40:5126
2330199187171,13cyclictest0-21swapper/3222:40:5126
2330199187171,13cyclictest0-21swapper/3222:40:5126
2329899187177,7cyclictest0-21swapper/3020:16:5724
2329899187177,7cyclictest0-21swapper/3020:16:5724
2330199186149,18cyclictest0-21swapper/3222:39:3626
2330199186149,18cyclictest0-21swapper/3222:39:3626
2329499186162,14cyclictest0-21swapper/2723:57:3420
2329499186162,14cyclictest0-21swapper/2723:57:3420
2329499186162,14cyclictest0-21swapper/2723:57:3420
2328999186152,14cyclictest171rcu_preempt22:06:0515
2328999186152,14cyclictest171rcu_preempt22:06:0515
2330199184171,8cyclictest0-21swapper/3223:03:5426
2330199184171,8cyclictest0-21swapper/3223:03:5426
2330199184171,8cyclictest0-21swapper/3223:03:5326
2330199184157,18cyclictest0-21swapper/3221:45:5926
2330199184157,18cyclictest0-21swapper/3221:45:5926
2330199184157,18cyclictest0-21swapper/3221:45:5826
2328999184135,30cyclictest0-21swapper/2223:42:0215
2328999184135,30cyclictest0-21swapper/2223:42:0215
2330299183177,4cyclictest0-21swapper/3320:59:2427
2330299183177,4cyclictest0-21swapper/3320:59:2427
2328999182125,20cyclictest0-21swapper/2221:31:3215
2328999182125,20cyclictest0-21swapper/2221:31:3215
2329899180157,5cyclictest0-21swapper/3021:18:4924
2329899180157,5cyclictest0-21swapper/3021:18:4924
2330299179174,4cyclictest0-21swapper/3320:52:3627
2330299179174,4cyclictest0-21swapper/3320:52:3627
2330299179165,12cyclictest0-21swapper/3320:41:3527
2330199179170,8cyclictest0-21swapper/3222:24:4226
2330199179170,8cyclictest0-21swapper/3222:24:4226
2330199179160,11cyclictest0-21swapper/3222:51:2726
2330199179160,11cyclictest0-21swapper/3222:51:2726
2330199179160,11cyclictest0-21swapper/3222:51:2626
2330199179143,21cyclictest0-21swapper/3221:38:2726
2330199179143,21cyclictest0-21swapper/3221:38:2726
2330199179143,21cyclictest0-21swapper/3221:38:2726
2330299178165,10cyclictest0-21swapper/3320:35:0027
2330299178165,10cyclictest0-21swapper/3320:35:0027
2329899177156,8cyclictest0-21swapper/3000:31:4624
2329899177156,8cyclictest0-21swapper/3000:31:4524
2328999177159,4cyclictest0-21swapper/2223:28:0715
2328999177159,4cyclictest0-21swapper/2223:28:0715
2328999177159,4cyclictest0-21swapper/2223:28:0615
2328999177138,12cyclictest171rcu_preempt21:17:2915
2328999177138,12cyclictest171rcu_preempt21:17:2915
2327899177168,7cyclictest0-21swapper/1423:01:116
2327899177168,7cyclictest0-21swapper/1423:01:116
2327899177168,7cyclictest0-21swapper/1423:01:116
2327899177163,12cyclictest0-21swapper/1423:46:106
2327899177163,12cyclictest0-21swapper/1423:46:106
2327899177161,14cyclictest0-21swapper/1423:21:466
2327899177161,14cyclictest0-21swapper/1423:21:466
2329899176171,4cyclictest0-21swapper/3020:08:4524
2329899176171,4cyclictest0-21swapper/3020:08:4424
2329899176162,11cyclictest0-21swapper/3019:40:1724
2329899176162,11cyclictest0-21swapper/3019:40:1624
2330199175164,7cyclictest0-21swapper/3221:40:2626
2330199175164,7cyclictest0-21swapper/3221:40:2526
2330199175164,7cyclictest0-21swapper/3221:40:2526
2328999175126,42cyclictest171rcu_preempt20:46:3715
2329899174161,11cyclictest0-21swapper/3019:50:1424
2329899174161,11cyclictest0-21swapper/3019:50:1424
2329899173159,11cyclictest0-21swapper/3019:25:1124
2329899173159,11cyclictest0-21swapper/3019:25:1124
2328999173133,19cyclictest0-21swapper/2222:04:0315
2328999173133,19cyclictest0-21swapper/2222:04:0215
2328999173133,19cyclictest0-21swapper/2222:04:0215
2330299172164,6cyclictest0-21swapper/3320:45:2427
2329899172161,8cyclictest0-21swapper/3020:12:4124
2329899172161,8cyclictest0-21swapper/3020:12:4024
2329499172160,10cyclictest0-21swapper/2722:10:3020
2329499172160,10cyclictest0-21swapper/2722:10:3020
2328999172157,4cyclictest0-21swapper/2200:23:3515
2328999172157,4cyclictest0-21swapper/2200:23:3415
2328999172155,8cyclictest0-21swapper/2223:35:0415
2328999172155,8cyclictest0-21swapper/2223:35:0415
2328999172145,17cyclictest0-21swapper/2220:25:2715
2328999172145,17cyclictest0-21swapper/2220:25:2715
2328999172132,14cyclictest171rcu_preempt23:08:4715
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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