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2025-12-19 - 18:50
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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 rack0slot0.osadl.org (updated Fri Dec 19, 2025 12:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1976321320,3sleep51124999cyclictest11:48:205
42232700,0sleep70-21swapper/709:28:467
219242690,0sleep6681ktimersoftd/611:20:006
318752670,0sleep70-21swapper/711:32:277
115162670,0sleep40-21swapper/409:11:374
102062670,1sleep71012-21runrttasks11:35:247
189032580,4sleep31123999cyclictest10:59:463
1100725747,6sleep00-21swapper/007:09:570
1095025141,6sleep60-21swapper/607:09:236
1085225141,6sleep30-21swapper/307:08:083
1082724737,6sleep40-21swapper/407:07:524
1086524635,7sleep50-21swapper/507:08:175
1077624636,6sleep10-21swapper/107:07:091
1096924332,7sleep70-21swapper/707:09:407
1077724130,7sleep20-21swapper/207:07:102
11239993515,16cyclictest0-21swapper/310:49:003
1123999293,22cyclictest0-21swapper/310:53:043
1126499281,21cyclictest0-21swapper/710:41:167
11239992810,16cyclictest0-21swapper/312:27:453
1126499272,18cyclictest0-21swapper/710:54:077
1126499270,20cyclictest0-21swapper/707:18:447
1126499270,19cyclictest0-21swapper/707:22:207
1123999270,19cyclictest0-21swapper/307:30:013
1123299270,25cyclictest0-21swapper/210:43:472
60772260,0sleep6671rcuc/612:03:436
60772260,0sleep6671rcuc/612:03:436
1126499262,18cyclictest0-21swapper/708:15:407
1126499260,20cyclictest0-21swapper/708:00:017
1126499260,19cyclictest0-21swapper/710:14:577
1126499260,19cyclictest0-21swapper/709:55:527
1126499260,19cyclictest0-21swapper/708:09:437
1126499260,18cyclictest0-21swapper/710:48:197
1123999262,20cyclictest0-21swapper/307:15:383
1126499250,18cyclictest0-21swapper/711:43:467
1125699250,22cyclictest0-21swapper/610:57:226
1124399253,21cyclictest0-21swapper/412:18:554
1124399253,21cyclictest0-21swapper/410:47:054
1124399253,21cyclictest0-21swapper/407:15:134
1123999256,16cyclictest0-21swapper/312:09:283
1123999253,19cyclictest0-21swapper/310:26:593
1123999253,19cyclictest0-21swapper/308:15:383
1123999251,19cyclictest0-21swapper/310:00:473
1123999251,19cyclictest0-21swapper/309:01:203
1123999250,23cyclictest0-21swapper/309:20:433
1123999250,22cyclictest0-21swapper/311:30:033
1123999250,21cyclictest0-21swapper/309:51:153
1123999250,20cyclictest0-21swapper/310:34:273
1123999250,20cyclictest0-21swapper/310:08:573
1123999250,20cyclictest0-21swapper/308:45:363
1123999250,20cyclictest0-21swapper/307:41:543
1123999250,20cyclictest0-21swapper/307:13:283
1123999250,19cyclictest0-21swapper/311:12:233
1123999250,19cyclictest0-21swapper/309:10:383
1126499242,21cyclictest0-21swapper/707:30:337
1126499240,20cyclictest0-21swapper/708:11:227
1126499240,18cyclictest0-21swapper/708:58:097
1126499240,17cyclictest0-21swapper/709:06:297
1126499240,17cyclictest0-21swapper/707:54:067
1125699242,21cyclictest0-21swapper/611:58:586
1124399242,21cyclictest0-21swapper/410:21:114
1123999245,18cyclictest0-21swapper/312:04:353
1123999245,18cyclictest0-21swapper/312:04:353
1123999243,19cyclictest0-21swapper/310:23:463
1123999243,19cyclictest0-21swapper/309:28:243
1123999243,19cyclictest0-21swapper/308:56:033
1123999243,19cyclictest0-21swapper/308:40:163
1123999243,19cyclictest0-21swapper/308:36:093
1123999243,19cyclictest0-21swapper/308:32:063
1123999243,19cyclictest0-21swapper/308:28:473
1123999243,19cyclictest0-21swapper/308:28:463
1123999243,19cyclictest0-21swapper/308:12:443
1123999243,19cyclictest0-21swapper/308:00:023
1123999243,19cyclictest0-21swapper/307:55:133
1123999243,19cyclictest0-21swapper/307:54:463
1123999243,19cyclictest0-21swapper/307:46:443
1123999243,19cyclictest0-21swapper/307:27:343
1123999243,19cyclictest0-21swapper/307:21:103
1123999243,18cyclictest0-21swapper/311:55:273
1123999243,18cyclictest0-21swapper/308:50:153
1123999240,19cyclictest0-21swapper/312:11:353
1123999240,19cyclictest0-21swapper/309:48:223
1123999240,19cyclictest0-21swapper/308:21:413
1123999240,19cyclictest0-21swapper/307:39:023
1123999240,18cyclictest0-21swapper/312:20:473
1123999240,18cyclictest0-21swapper/309:36:393
1121999240,23cyclictest0-21swapper/011:19:320
1121999240,19cyclictest0-21swapper/009:06:530
18102230,7sleep10-21swapper/109:00:201
1126499232,20cyclictest0-21swapper/709:30:517
1126499230,22cyclictest0-21swapper/708:04:437
1126499230,16cyclictest0-21swapper/710:29:297
1125699233,18cyclictest0-21swapper/610:07:366
1125699230,21cyclictest0-21swapper/607:16:216
1124399232,20cyclictest0-21swapper/411:39:184
1124399231,21cyclictest0-21swapper/408:22:014
1123999233,19cyclictest0-21swapper/312:35:393
1123999233,19cyclictest0-21swapper/311:08:313
1123999233,19cyclictest0-21swapper/309:55:383
1123999233,18cyclictest0-21swapper/311:03:593
1123999233,18cyclictest0-21swapper/309:05:423
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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