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2026-07-04 - 17:03
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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 Sat Jul 04, 2026 13:01:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3449499231223,6cyclictest0-21swapper/2210:26:5015
3449499231223,6cyclictest0-21swapper/2210:26:4915
3449499209199,7cyclictest0-21swapper/2210:22:1215
3449499209199,7cyclictest0-21swapper/2210:22:1215
3449499209199,7cyclictest0-21swapper/2210:22:1215
3447499209168,28cyclictest0-21swapper/511:20:3835
3447499209168,28cyclictest0-21swapper/511:20:3735
3447499209168,28cyclictest0-21swapper/511:20:3735
3448299200183,11cyclictest0-21swapper/1212:21:054
3448299200183,11cyclictest0-21swapper/1212:21:054
3447499200185,9cyclictest0-21swapper/511:17:4935
3447499200185,9cyclictest0-21swapper/511:17:4935
3448299199192,5cyclictest0-21swapper/1211:57:104
3448299199192,5cyclictest0-21swapper/1211:57:104
3448799197187,6cyclictest3542-21CPU7
3448799197187,6cyclictest3542-21CPU7
3447599197182,13cyclictest0-21swapper/611:32:2336
3447599197182,13cyclictest0-21swapper/611:32:2336
3448299195183,10cyclictest0-21swapper/1211:52:394
3448299195183,10cyclictest0-21swapper/1211:52:394
3448299195178,11cyclictest0-21swapper/1212:02:024
3448299195178,11cyclictest0-21swapper/1212:02:024
3448299195178,11cyclictest0-21swapper/1212:02:024
3449499194175,16cyclictest0-21swapper/2211:25:2715
3449499194175,16cyclictest0-21swapper/2211:25:2715
3448799194175,15cyclictest0-21swapper/1510:05:397
3448799194175,15cyclictest0-21swapper/1510:05:397
3448799193185,6cyclictest0-21swapper/1511:08:587
3448799193185,6cyclictest0-21swapper/1511:08:587
3449899191168,16cyclictest17484-21nfsd10:40:4519
3449899191168,16cyclictest17484-21nfsd10:40:4519
3449899191168,16cyclictest17484-21nfsd10:40:4519
3446999189173,11cyclictest0-21swapper/010:52:470
3446999189173,11cyclictest0-21swapper/010:52:470
3449899187175,7cyclictest0-21swapper/2612:22:1219
3449899187175,7cyclictest0-21swapper/2612:22:1119
3447599187161,12cyclictest0-21swapper/611:42:1836
3447599187161,12cyclictest0-21swapper/611:42:1836
3448799186174,9cyclictest1-21systemd09:30:357
3448799186174,9cyclictest1-21systemd09:30:357
3447499185175,7cyclictest0-21swapper/508:46:0935
3447499185175,7cyclictest0-21swapper/508:46:0835
3446999183171,10cyclictest0-21swapper/011:02:330
3446999183171,10cyclictest0-21swapper/011:02:330
3448799182161,11cyclictest0-21swapper/1508:20:227
3448799182161,11cyclictest0-21swapper/1508:20:217
3448299182146,7cyclictest0-21swapper/1209:19:214
3448299182146,7cyclictest0-21swapper/1209:19:214
3448299181174,5cyclictest0-21swapper/1211:49:254
3448299181174,5cyclictest0-21swapper/1211:49:254
3447599181153,17cyclictest0-21swapper/607:50:3436
3447599181153,17cyclictest0-21swapper/607:50:3336
3449199180151,26cyclictest0-21swapper/1909:57:5211
3449199180151,26cyclictest0-21swapper/1909:57:5211
3448799180165,8cyclictest0-21swapper/1509:47:537
3448799180165,8cyclictest0-21swapper/1509:47:537
3448799180156,17cyclictest1367-21dbus-daemon09:27:157
3448799180156,17cyclictest1367-21dbus-daemon09:27:157
3448299180159,11cyclictest0-21swapper/1212:19:584
3448299180159,11cyclictest0-21swapper/1212:19:584
3448999179161,15cyclictest0-21swapper/1709:32:489
3448999179161,15cyclictest0-21swapper/1709:32:489
3448799179167,9cyclictest0-21swapper/1509:50:467
3448799179167,9cyclictest0-21swapper/1509:50:467
3448799179167,9cyclictest0-21swapper/1509:50:467
3448299179167,6cyclictest0-21swapper/1212:07:434
3448299179167,6cyclictest0-21swapper/1212:07:434
3448299179162,15cyclictest0-21swapper/1212:12:474
3448299179162,15cyclictest0-21swapper/1212:12:474
3448299179162,15cyclictest0-21swapper/1212:12:474
3447599179144,24cyclictest0-21swapper/610:15:2336
3447599179144,24cyclictest0-21swapper/610:15:2336
3449499178166,7cyclictest0-21swapper/2210:19:0715
3449499178166,7cyclictest0-21swapper/2210:19:0715
3449399178130,10cyclictest0-21swapper/2110:37:4614
3449399178130,10cyclictest0-21swapper/2110:37:4514
3449399178130,10cyclictest0-21swapper/2110:37:4514
3448799178170,3cyclictest0-21swapper/1507:10:217
3448799178170,3cyclictest0-21swapper/1507:10:217
3448799178104,68cyclictest37352-21CPU7
3448799178104,68cyclictest37352-21CPU7
3447499178161,14cyclictest30188-21cat09:00:2535
3447499178161,14cyclictest30188-21cat09:00:2535
3446999178166,5cyclictest0-21swapper/010:47:290
3446999178166,5cyclictest0-21swapper/010:47:290
3449899177154,15cyclictest0-21swapper/2612:28:2819
3449899177154,15cyclictest0-21swapper/2612:28:2819
3449399177150,10cyclictest0-21swapper/2110:46:4514
3449399177150,10cyclictest0-21swapper/2110:46:4514
3449399177144,19cyclictest0-21swapper/2109:15:1414
3449399177144,19cyclictest0-21swapper/2109:15:1414
3448299177162,12cyclictest0-21swapper/1208:55:184
3447299177151,15cyclictest0-21swapper/310:52:3023
3447299177151,15cyclictest0-21swapper/310:52:3023
3449399176129,13cyclictest171rcu_preempt12:27:3914
3449399176129,13cyclictest171rcu_preempt12:27:3814
3448799176158,13cyclictest1367-21dbus-daemon09:25:067
3448799176158,13cyclictest1367-21dbus-daemon09:25:067
3448799176157,10cyclictest0-21swapper/1509:37:077
3448799176157,10cyclictest0-21swapper/1509:37:077
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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