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2026-05-20 - 15:04
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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 rackfslot7.osadl.org (updated Wed May 20, 2026 00:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
270114899760,17cyclictest0-21swapper/522:20:165
2701146997214,19cyclictest0-21swapper/300:05:213
270114999664,1cyclictest0-21swapper/623:15:186
2701148996462,1cyclictest0-21swapper/500:00:135
2701145995928,31cyclictest0-21swapper/222:45:002
2701146995414,39cyclictest0-21swapper/300:20:183
2701146995411,1cyclictest191rcu_preempt19:55:153
2701150995314,38cyclictest0-21swapper/720:55:157
2701148995314,39cyclictest0-21swapper/523:40:155
2701145995214,19cyclictest0-21swapper/223:15:172
2701148995113,38cyclictest0-21swapper/520:10:175
2701149995012,19cyclictest0-21swapper/620:50:176
2701149995010,39cyclictest0-21swapper/620:55:156
2701146995033,17cyclictest0-21swapper/323:45:173
2701149994911,19cyclictest0-21swapper/600:15:146
2701148994846,1cyclictest70-21ksoftirqd/520:45:115
270114599478,1cyclictest191rcu_preempt21:55:162
2701145994729,18cyclictest0-21swapper/221:10:162
270115099467,39cyclictest0-21swapper/723:25:167
2701146994627,19cyclictest0-21swapper/323:35:153
270114599468,38cyclictest0-21swapper/223:40:152
270114599467,39cyclictest0-21swapper/223:20:172
270114599467,39cyclictest0-21swapper/222:35:162
270115099457,19cyclictest0-21swapper/720:50:167
270114999446,19cyclictest0-21swapper/623:20:166
270114999434,20cyclictest0-21swapper/600:10:166
270115099423,39cyclictest0-21swapper/720:05:167
2701150994223,19cyclictest0-21swapper/723:00:147
270114699423,39cyclictest0-21swapper/321:15:183
270114499424,19cyclictest0-21swapper/121:55:161
2701150994021,19cyclictest0-21swapper/722:00:167
270114799400,39cyclictest0-21swapper/423:45:174
270114699402,19cyclictest0-21swapper/322:00:173
270114599401,39cyclictest0-21swapper/220:00:152
270114699390,20cyclictest0-21swapper/322:15:173
2701150993820,0cyclictest0-21swapper/700:05:217
270115099380,19cyclictest0-21swapper/720:00:167
270114699380,19cyclictest0-21swapper/320:15:163
270114599380,19cyclictest0-21swapper/219:15:162
270114899370,18cyclictest0-21swapper/520:05:175
2701143993737,0cyclictest2846552-21kworker/0:0+events23:45:170
270114699360,17cyclictest0-21swapper/320:40:153
270114599360,36cyclictest0-21swapper/221:00:152
270114999350,16cyclictest0-21swapper/619:10:196
270114899350,35cyclictest0-21swapper/520:50:165
270114699350,15cyclictest0-21swapper/322:10:153
2701150993415,19cyclictest0-21swapper/723:50:167
2701150993415,19cyclictest0-21swapper/700:25:177
270115099340,34cyclictest0-21swapper/721:10:167
270114999340,15cyclictest0-21swapper/621:25:166
270114999340,15cyclictest0-21swapper/621:15:186
270114999340,15cyclictest0-21swapper/620:25:176
270114999340,14cyclictest0-21swapper/622:35:166
2701148993414,19cyclictest0-21swapper/521:00:155
270114899340,15cyclictest0-21swapper/522:25:155
2701146993415,19cyclictest0-21swapper/300:35:163
270114699340,34cyclictest0-21swapper/319:30:153
270114699340,15cyclictest0-21swapper/321:05:163
270114699340,15cyclictest0-21swapper/319:10:193
2701145993415,19cyclictest0-21swapper/223:05:152
270114499340,34cyclictest0-21swapper/100:35:171
2701150993314,19cyclictest0-21swapper/723:45:167
2701150993314,19cyclictest0-21swapper/723:20:167
2701150993314,19cyclictest0-21swapper/722:40:157
2701150993314,19cyclictest0-21swapper/722:15:177
2701150993314,19cyclictest0-21swapper/722:05:177
2701150993314,19cyclictest0-21swapper/721:40:167
2701150993314,19cyclictest0-21swapper/721:05:167
2701150993313,19cyclictest0-21swapper/719:10:197
2701149993314,19cyclictest0-21swapper/623:55:136
2701149993314,19cyclictest0-21swapper/623:35:156
2701149993314,19cyclictest0-21swapper/622:50:196
2701149993314,19cyclictest0-21swapper/622:30:156
2701149993314,19cyclictest0-21swapper/622:10:156
2701149993314,19cyclictest0-21swapper/600:25:166
2701149993314,19cyclictest0-21swapper/600:20:186
2701149993313,19cyclictest0-21swapper/600:00:176
2701148993314,19cyclictest0-21swapper/522:35:165
2701148993314,19cyclictest0-21swapper/521:20:165
2701148993314,19cyclictest0-21swapper/519:45:165
2701148993314,19cyclictest0-21swapper/519:20:165
2701146993314,19cyclictest0-21swapper/323:30:153
2701146993314,19cyclictest0-21swapper/323:20:163
2701146993314,19cyclictest0-21swapper/320:30:163
2701145993314,19cyclictest0-21swapper/200:15:142
2701144993314,19cyclictest0-21swapper/123:55:131
2701144993314,19cyclictest0-21swapper/123:50:151
2701144993314,19cyclictest0-21swapper/123:30:151
2701144993314,19cyclictest0-21swapper/122:40:151
2701144993314,19cyclictest0-21swapper/121:35:151
2701150993213,19cyclictest0-21swapper/720:15:167
2701150993213,19cyclictest0-21swapper/719:50:167
2701149993213,19cyclictest0-21swapper/623:25:156
2701149993213,19cyclictest0-21swapper/623:05:156
2701149993213,19cyclictest0-21swapper/620:45:156
2701148993213,19cyclictest0-21swapper/521:35:155
2701148993213,19cyclictest0-21swapper/519:50:165
2701148993213,19cyclictest0-21swapper/500:25:165
2701146993214,0cyclictest0-21swapper/319:35:163
2701146993213,19cyclictest0-21swapper/323:50:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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