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2025-11-18 - 10:43
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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 Tue Nov 18, 2025 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1288022997012,39cyclictest0-21swapper/720:35:037
128802299679,39cyclictest1389003-21ntpq22:05:227
128802299667,39cyclictest1088-21runrttasks19:54:067
128802299666,40cyclictest1088-21runrttasks22:24:287
128802299666,19cyclictest0-21swapper/723:04:157
1288022996628,19cyclictest1368831-21if_eno121:30:167
1288022996528,18cyclictest101750irq/39-eno2-TxRx-020:20:167
1288022996526,38cyclictest0-21swapper/722:16:577
1288022996526,19cyclictest0-21swapper/723:53:277
1288022996526,0cyclictest0-21swapper/721:56:367
1288022996446,18cyclictest0-21swapper/723:25:187
1288022996426,18cyclictest0-21swapper/719:11:127
1288022996425,19cyclictest0-21swapper/720:13:367
1288022996425,19cyclictest0-21swapper/720:04:407
1288022996425,19cyclictest0-21swapper/700:17:157
1288022996325,18cyclictest0-21swapper/721:23:217
128802299613,39cyclictest1358383-21/usr/sbin/munin21:10:267
128802299612,39cyclictest0-21swapper/700:25:377
1288022996121,21cyclictest0-21swapper/721:46:207
128802299610,58cyclictest1450458-21kworker/u32:2+events_unbound00:06:457
1288022996021,19cyclictest0-21swapper/720:53:127
1288022996021,19cyclictest0-21swapper/720:53:127
1288022996021,19cyclictest0-21swapper/720:29:487
1288022996020,39cyclictest0-21swapper/721:09:467
128802299601,19cyclictest191rcu_preempt20:35:227
128802299600,39cyclictest1088-21runrttasks22:34:277
1288022995920,19cyclictest0-21swapper/723:43:237
1288022995920,19cyclictest0-21swapper/723:13:397
1288022995919,39cyclictest0-21swapper/722:53:257
1288022995919,39cyclictest0-21swapper/722:38:017
1288022995820,19cyclictest1445838-21interrupts23:45:177
1288022995819,39cyclictest0-21swapper/723:05:057
1288022995819,19cyclictest0-21swapper/721:51:527
1288022995819,19cyclictest0-21swapper/719:35:507
1288022995818,39cyclictest0-21swapper/719:32:037
1288022995813,40cyclictest1399423-21df22:25:157
1288022995719,18cyclictest0-21swapper/719:17:107
1288016995739,18cyclictest0-21swapper/100:15:171
1288020995613,19cyclictest0-21swapper/519:30:165
1288022995536,19cyclictest871ktimers/720:42:347
1288022995517,19cyclictest1446-21rtkit-daemon20:05:067
1288022995514,40cyclictest1285436-21kworker/u32:2+events_unbound20:19:587
1288020995513,19cyclictest0-21swapper/500:05:165
1288022995436,18cyclictest1288014-21cyclictest21:15:587
1288022995414,39cyclictest0-21swapper/723:16:337
1288022995414,39cyclictest0-21swapper/719:42:227
1288022995414,38cyclictest877-21mta-sts-daemon23:55:057
1288022995414,20cyclictest0-21swapper/700:13:407
1288022995314,39cyclictest0-21swapper/722:03:027
1288022995314,39cyclictest0-21swapper/721:26:267
1288022995314,39cyclictest0-21swapper/700:24:027
1288022995314,19cyclictest0-21swapper/722:13:327
1288022995314,19cyclictest0-21swapper/719:45:047
1288022995313,39cyclictest0-21swapper/723:35:067
1288022995313,39cyclictest0-21swapper/723:31:097
1288022995313,39cyclictest0-21swapper/722:55:177
1288022995313,39cyclictest0-21swapper/722:48:017
1288022995313,39cyclictest0-21swapper/721:43:387
1288022995313,39cyclictest0-21swapper/721:01:507
1288022995313,39cyclictest0-21swapper/720:55:467
1288022995233,19cyclictest0-21swapper/722:40:057
1288022995233,19cyclictest0-21swapper/721:36:107
1288022995233,19cyclictest0-21swapper/700:35:017
1288022995213,39cyclictest0-21swapper/719:28:007
1288022995213,39cyclictest0-21swapper/700:02:537
1288022995213,19cyclictest0-21swapper/719:57:157
1288020995214,19cyclictest0-21swapper/500:00:165
1288016995213,39cyclictest0-21swapper/123:55:171
1288016995213,39cyclictest0-21swapper/123:15:171
1288022995132,19cyclictest0-21swapper/723:21:177
1288022995032,18cyclictest0-21swapper/720:45:387
1288022994931,18cyclictest0-21swapper/719:20:267
1288022994910,19cyclictest0-21swapper/700:30:167
1288015994931,18cyclictest0-21swapper/022:30:180
128801699489,39cyclictest0-21swapper/120:50:171
128801699489,39cyclictest0-21swapper/120:50:171
128801999466,39cyclictest0-21swapper/422:55:174
128802099457,19cyclictest0-21swapper/500:25:175
1288018994325,18cyclictest0-21swapper/322:40:193
128801999424,19cyclictest1281974-21kworker/4:0+ice19:20:214
128801999413,19cyclictest0-21swapper/419:10:184
128801699410,0cyclictest191rcu_preempt21:15:161
128801699400,39cyclictest0-21swapper/123:10:161
128802099391,19cyclictest0-21swapper/520:55:215
128802099391,19cyclictest0-21swapper/520:20:165
128802099391,19cyclictest0-21swapper/520:00:175
1288019993939,0cyclictest0-21swapper/400:06:454
1288020993813,19cyclictest0-21swapper/521:55:185
128801599380,38cyclictest0-21swapper/022:05:180
128802099370,18cyclictest0-21swapper/522:15:205
1288019993719,0cyclictest0-21swapper/422:00:164
128801999370,36cyclictest0-21swapper/422:20:154
1288018993736,1cyclictest1282641-21kworker/3:1+events19:11:003
1288018993634,2cyclictest1430254-21kworker/3:0+events23:55:033
128801699360,17cyclictest0-21swapper/119:30:161
1288015993617,19cyclictest0-21swapper/021:55:180
128802099350,35cyclictest0-21swapper/523:10:165
128801999350,35cyclictest0-21swapper/420:05:184
128801999350,35cyclictest0-21swapper/419:15:164
128801999350,16cyclictest0-21swapper/423:00:174
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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