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2026-05-27 - 01:54
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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 rack0slot5.osadl.org (updated Wed May 27, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3896066995311,527cyclictest0-21swapper/023:04:510
3896123995131,44cyclictest0-21swapper/1421:10:516
3896066995058,496cyclictest0-21swapper/023:24:510
389610799504473,31cyclictest0-21swapper/1019:58:512
389610799503502,0cyclictest3953229-21kworker/10:2+i915-unordered20:28:512
389608999489487,2cyclictest3961283-21kworker/6:2+i915-unordered20:43:5112
38960699947413,460cyclictest0-21swapper/121:10:511
3896078994620,3cyclictest0-21swapper/320:49:339
3896082994617,58cyclictest0-21swapper/419:54:1410
3896082994592,59cyclictest0-21swapper/421:32:1310
389607499454454,0cyclictest0-21swapper/220:00:518
38961009945327,425cyclictest106-21ksoftirqd/921:30:5115
38961079945128,29cyclictest0-21swapper/1020:55:512
389610099449448,1cyclictest69750irq/159-i91519:58:5115
38961079944621,424cyclictest115-21ksoftirqd/1019:10:512
38961009944621,30cyclictest0-21swapper/920:18:5115
389610099444443,1cyclictest69750irq/159-i91522:40:5115
38961009944421,30cyclictest0-21swapper/922:13:5115
389608999443443,0cyclictest3973324-21kworker/6:0+i915-unordered21:10:5112
38960829944113,28cyclictest0-21swapper/419:08:1310
38961009944015,29cyclictest0-21swapper/900:19:5115
38961239943921,417cyclictest0-21swapper/1421:23:126
38960749943825,413cyclictest0-21swapper/220:36:518
389612799436435,1cyclictest4061940-21kworker/15:0+i915-unordered22:40:517
3896107994367,426cyclictest3952187-21ntpq20:13:122
3896107994367,426cyclictest3952187-21ntpq20:13:122
389610099436435,1cyclictest69750irq/159-i91522:05:5115
389611699434433,1cyclictest0-21swapper/1221:20:514
38961079943410,29cyclictest115-21ksoftirqd/1021:41:512
3896066994337,29cyclictest0-21swapper/000:03:370
38960899943114,29cyclictest0-21swapper/600:29:5112
389611699430430,0cyclictest0-21swapper/1221:54:514
38961009943011,418cyclictest0-21swapper/920:38:1415
3896082994303,30cyclictest0-21swapper/423:39:1210
3896107994296,29cyclictest0-21swapper/1022:19:512
389607499428428,0cyclictest0-21swapper/220:28:518
3896107994274,29cyclictest115-21ksoftirqd/1019:35:512
389610099427426,1cyclictest69750irq/159-i91520:31:5115
3896066994270,29cyclictest0-21swapper/023:53:140
38961119942525,399cyclictest0-21swapper/1123:49:133
3896100994251,29cyclictest0-21swapper/920:34:5115
3896100994250,424cyclictest0-21swapper/922:18:3615
38961079942429,394cyclictest0-21swapper/1021:01:512
38961079942325,398cyclictest0-21swapper/1020:23:122
389610099423422,1cyclictest69750irq/159-i91521:20:5115
3896116994220,29cyclictest0-21swapper/1219:40:514
38961079942226,395cyclictest0-21swapper/1022:15:512
38961079942225,396cyclictest115-21ksoftirqd/1021:25:512
389608999422421,1cyclictest0-21swapper/622:05:5112
3896111994210,420cyclictest0-21swapper/1120:31:143
38961079942128,393cyclictest0-21swapper/1020:39:512
3896074994215,415cyclictest0-21swapper/219:39:518
38961239942022,397cyclictest0-21swapper/1422:53:146
38961239942022,397cyclictest0-21swapper/1422:53:146
3896107994200,417cyclictest0-21swapper/1019:48:132
38961079941924,395cyclictest0-21swapper/1000:06:512
38961009941920,398cyclictest0-21swapper/920:17:3415
38961009941920,398cyclictest0-21swapper/920:17:3415
3896089994190,29cyclictest0-21swapper/620:49:5112
38960789941926,392cyclictest0-21swapper/300:17:479
38961169941824,393cyclictest0-21swapper/1223:50:514
389610799418415,2cyclictest3933007-21kworker/10:1+events19:57:142
3896069994181,29cyclictest0-21swapper/122:44:511
38961239941719,397cyclictest0-21swapper/1421:48:136
3896107994170,416cyclictest0-21swapper/1020:10:132
3896107994170,416cyclictest0-21swapper/1020:10:132
389609399417387,30cyclictest0-21swapper/722:40:5113
389607499417417,0cyclictest0-21swapper/220:10:518
389607499417417,0cyclictest0-21swapper/220:10:518
38960699941722,394cyclictest0-21swapper/123:00:511
38960699941722,394cyclictest0-21swapper/123:00:511
38961239941618,397cyclictest0-21swapper/1419:20:146
38961239941617,398cyclictest0-21swapper/1423:53:366
38961239941617,398cyclictest0-21swapper/1423:45:346
38961239941617,398cyclictest0-21swapper/1422:08:126
38961239941617,398cyclictest0-21swapper/1419:37:366
38961239941616,399cyclictest0-21swapper/1423:52:126
38961239941616,399cyclictest0-21swapper/1422:39:146
38961239941616,399cyclictest0-21swapper/1419:45:136
38961169941624,391cyclictest0-21swapper/1222:47:464
3896116994160,416cyclictest0-21swapper/1220:38:514
38960669941618,397cyclictest0-21swapper/020:58:120
38961079941520,395cyclictest0-21swapper/1000:24:512
38960699941525,389cyclictest0-21swapper/122:36:511
38961239941416,397cyclictest0-21swapper/1400:09:326
38961239941414,399cyclictest0-21swapper/1419:24:146
389606999414414,0cyclictest0-21swapper/123:24:511
38961239941315,397cyclictest0-21swapper/1419:29:136
38961239941315,397cyclictest0-21swapper/1419:15:136
38961239941314,398cyclictest0-21swapper/1422:50:146
38961239941314,398cyclictest0-21swapper/1422:50:146
38961239941312,400cyclictest0-21swapper/1419:11:376
389610799413412,1cyclictest0-21swapper/1020:43:362
38961239941214,397cyclictest0-21swapper/1423:23:356
38961279941117,393cyclictest0-21swapper/1519:49:517
38961239941112,398cyclictest0-21swapper/1422:26:136
38961009941112,396cyclictest0-21swapper/923:23:1215
38960749941122,389cyclictest0-21swapper/222:09:518
38960899941017,392cyclictest0-21swapper/619:50:5112
38960749941026,383cyclictest0-21swapper/223:27:468
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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