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2025-12-05 - 06:12
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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 Fri Dec 05, 2025 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2201134997436,38cyclictest2230800-21kworker/u32:4+rpciod20:22:567
2201134997435,19cyclictest2365129-21/usr/sbin/munin00:00:267
2201134997432,40cyclictest1088-21runrttasks22:41:237
2201134997416,39cyclictest2347276-21grep23:25:267
2201132997435,38cyclictest875-21mta-sts-daemon19:55:185
2201134997232,40cyclictest0-21swapper/720:47:207
2201134997135,18cyclictest871ktimers/721:20:587
2201134997132,21cyclictest0-21swapper/721:19:207
2201134997132,20cyclictest0-21swapper/723:35:487
2201134997132,19cyclictest8750ktimers/700:40:007
2201134997113,39cyclictest2380544-21ntpq00:25:307
2201134997031,39cyclictest0-21swapper/721:40:567
2201134997031,21cyclictest0-21swapper/719:26:047
2201134997031,19cyclictest0-21swapper/720:17:097
2201134996930,21cyclictest0-21swapper/723:06:487
2201134996930,19cyclictest0-21swapper/722:54:357
2201134996930,19cyclictest0-21swapper/700:15:067
2201134996830,38cyclictest8750ktimers/700:24:077
2201134996829,20cyclictest0-21swapper/720:35:127
2201134996829,19cyclictest0-21swapper/719:48:167
2201134996728,19cyclictest0-21swapper/720:12:347
220113499666,20cyclictest0-21swapper/700:30:447
2201134996628,19cyclictest871ktimers/721:02:307
2201134996526,19cyclictest0-21swapper/719:59:527
2201134996427,18cyclictest0-21swapper/723:24:487
2201134996023,37cyclictest0-21swapper/721:35:137
2201134995919,39cyclictest362-21jbd2/sda2-819:37:147
220113099570,18cyclictest0-21swapper/319:30:163
2201134995619,37cyclictest0-21swapper/723:31:227
2201134995619,37cyclictest0-21swapper/722:33:157
2201134995537,0cyclictest0-21swapper/719:20:397
2201134995536,19cyclictest871ktimers/722:20:347
2201134995519,36cyclictest0-21swapper/721:26:217
2201134995518,18cyclictest191rcu_preempt20:51:507
2201134995436,18cyclictest88-21ksoftirqd/722:06:577
2201134995419,35cyclictest0-21swapper/700:09:327
2201134995419,15cyclictest0-21swapper/723:55:417
2201134995419,15cyclictest0-21swapper/723:54:467
2201134995419,15cyclictest0-21swapper/723:43:507
2201134995419,15cyclictest0-21swapper/723:16:147
2201134995419,15cyclictest0-21swapper/723:14:477
2201134995419,15cyclictest0-21swapper/722:47:547
2201134995419,15cyclictest0-21swapper/722:28:287
2201134995419,15cyclictest0-21swapper/722:17:487
2201134995419,15cyclictest0-21swapper/720:57:267
2201134995419,15cyclictest0-21swapper/720:44:377
2201134995419,15cyclictest0-21swapper/720:26:227
2201134995419,15cyclictest0-21swapper/719:34:177
2201134995419,15cyclictest0-21swapper/719:17:547
2201134995416,19cyclictest2289466-21expr21:45:177
2201134995415,39cyclictest0-21swapper/720:31:027
2201134995414,39cyclictest0-21swapper/721:57:337
2201132995416,19cyclictest0-21swapper/519:50:155
2201130995414,39cyclictest0-21swapper/300:05:173
2201134995319,34cyclictest0-21swapper/722:58:107
2201134995319,34cyclictest0-21swapper/721:34:547
2201134995319,15cyclictest0-21swapper/723:47:597
2201134995319,15cyclictest0-21swapper/722:12:427
2201134995319,15cyclictest0-21swapper/721:09:507
2201134995319,15cyclictest0-21swapper/720:08:497
2201134995319,15cyclictest0-21swapper/719:51:387
2201134995314,39cyclictest0-21swapper/723:02:477
2201134995314,39cyclictest0-21swapper/722:36:087
2201134995314,39cyclictest0-21swapper/722:02:207
2201134995314,39cyclictest0-21swapper/721:51:347
2201134995314,39cyclictest0-21swapper/721:11:347
2201134995314,39cyclictest0-21swapper/720:00:267
2201134995314,39cyclictest0-21swapper/719:11:047
2201134995314,39cyclictest0-21swapper/700:10:547
2201134995313,19cyclictest1088-21runrttasks19:42:247
2201132995315,38cyclictest0-21swapper/521:20:165
2201130995314,19cyclictest0-21swapper/321:00:223
2201129995214,19cyclictest0-21swapper/222:30:212
2201130995113,19cyclictest0-21swapper/322:20:163
2201132995013,37cyclictest0-21swapper/523:40:165
2201132995012,38cyclictest0-21swapper/519:40:165
2201132994931,18cyclictest0-21swapper/519:30:165
220113299489,38cyclictest0-21swapper/521:05:205
2201128994829,19cyclictest0-21swapper/119:45:181
220113299479,19cyclictest0-21swapper/522:35:185
220113099479,19cyclictest0-21swapper/319:20:153
220112999479,19cyclictest0-21swapper/223:55:202
2201128994728,19cyclictest321rcuc/122:55:191
2201129994644,1cyclictest421ktimers/200:25:242
220112999446,19cyclictest0-21swapper/221:20:172
220112999446,19cyclictest0-21swapper/200:35:212
220112999445,39cyclictest0-21swapper/221:10:162
220112899446,19cyclictest0-21swapper/121:20:171
220113299435,19cyclictest0-21swapper/520:35:175
220113099424,19cyclictest0-21swapper/320:10:183
2201130994222,19cyclictest0-21swapper/320:20:173
220113399413,19cyclictest0-21swapper/623:55:206
220112799400,40cyclictest0-21swapper/022:26:500
2201129993921,18cyclictest876-21mta-sts-daemon23:35:172
220112899390,39cyclictest321rcuc/123:20:161
220113099380,19cyclictest0-21swapper/322:45:183
220112999380,19cyclictest0-21swapper/223:50:152
220112999380,19cyclictest0-21swapper/219:15:162
220113199370,35cyclictest0-21swapper/420:30:234
2201132993618,0cyclictest0-21swapper/521:55:205
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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