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2025-11-28 - 08:29
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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 Nov 28, 2025 00:46:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1625426997617,59cyclictest1666585-21ps20:20:234
1625426997617,58cyclictest1743997-21/usr/sbin/munin22:40:164
162542699580,39cyclictest987366-21NetworkManager21:47:304
162542699580,39cyclictest1765172-21collect223:15:204
162542699570,38cyclictest1676324-21kworker/u32:0+flush-8:021:09:214
162542699570,38cyclictest1622841-21kworker/u32:1+events_unbound20:08:024
1625426995638,18cyclictest601ktimers/420:43:484
1625426995638,18cyclictest601ktimers/419:39:274
1625426995618,19cyclictest1704502-21munin-run21:30:014
1625426995618,19cyclictest1634118-21munin-run19:25:024
1625426995417,18cyclictest1710130-21munin-run21:40:024
1625426995233,19cyclictest0-21swapper/423:22:204
1625426995233,19cyclictest0-21swapper/423:22:194
1625426995233,19cyclictest0-21swapper/400:38:014
1625426995233,19cyclictest0-21swapper/400:08:224
1625426995133,18cyclictest0-21swapper/422:50:444
1625426995133,18cyclictest0-21swapper/422:23:044
1625426995132,19cyclictest0-21swapper/423:57:524
1625426995132,19cyclictest0-21swapper/422:02:054
1625423995113,38cyclictest0-21swapper/122:40:171
1625426995032,18cyclictest0-21swapper/420:12:164
1625426995031,19cyclictest0-21swapper/423:37:504
1625427994912,19cyclictest0-21swapper/521:40:175
1625426994930,19cyclictest0-21swapper/423:44:464
1625426994930,19cyclictest0-21swapper/423:27:504
1625426994930,19cyclictest0-21swapper/423:27:494
1625426994930,19cyclictest0-21swapper/423:10:094
1625426994930,19cyclictest0-21swapper/422:58:174
1625426994930,19cyclictest0-21swapper/419:56:334
1625426994930,19cyclictest0-21swapper/419:30:144
1625426994930,19cyclictest0-21swapper/419:19:504
1625426994930,19cyclictest0-21swapper/400:29:344
1625426994930,19cyclictest0-21swapper/400:01:574
162542399499,39cyclictest0-21swapper/119:35:171
1625423994911,19cyclictest0-21swapper/123:00:171
1625427994810,19cyclictest0-21swapper/521:50:205
1625426994830,18cyclictest0-21swapper/421:21:384
1625426994829,19cyclictest0-21swapper/423:45:104
1625426994829,19cyclictest0-21swapper/422:17:024
1625426994829,19cyclictest0-21swapper/421:56:184
1625426994829,19cyclictest0-21swapper/421:45:024
1625426994829,19cyclictest0-21swapper/421:19:554
1625426994829,19cyclictest0-21swapper/420:31:554
1625426994829,19cyclictest0-21swapper/420:17:324
1625426994829,19cyclictest0-21swapper/419:46:594
1625426994829,19cyclictest0-21swapper/400:32:124
1625426994829,19cyclictest0-21swapper/400:18:424
1625426994828,19cyclictest0-21swapper/419:43:444
1625426994729,18cyclictest0-21swapper/422:45:274
1625426994728,19cyclictest0-21swapper/423:33:244
1625426994728,19cyclictest0-21swapper/423:33:234
1625426994728,19cyclictest0-21swapper/423:08:584
1625426994728,19cyclictest0-21swapper/422:13:094
1625426994728,19cyclictest0-21swapper/420:59:264
1625426994728,19cyclictest0-21swapper/419:28:244
1625426994728,19cyclictest0-21swapper/419:13:194
162542399479,19cyclictest0-21swapper/121:25:191
1625426994628,18cyclictest0-21swapper/422:35:284
1625426994628,18cyclictest0-21swapper/421:14:464
1625426994628,18cyclictest0-21swapper/420:25:204
1625426994628,0cyclictest0-21swapper/419:50:124
1625426994627,19cyclictest0-21swapper/422:09:104
1625426994627,19cyclictest0-21swapper/420:04:284
1625426994325,18cyclictest0-21swapper/423:51:574
1625426994325,18cyclictest0-21swapper/400:11:104
162542399423,19cyclictest0-21swapper/100:15:181
162542399402,19cyclictest0-21swapper/119:10:171
162542899390,39cyclictest0-21swapper/623:05:176
162542699390,39cyclictest0-21swapper/400:21:564
162542699380,38cyclictest1681958-21apt-get20:50:144
162542399370,18cyclictest0-21swapper/120:20:181
162542999360,35cyclictest0-21swapper/723:20:177
162542999360,35cyclictest0-21swapper/723:20:167
162542999360,17cyclictest0-21swapper/721:15:167
1625426993616,19cyclictest1681779-21unin-run20:50:024
1625423993618,18cyclictest0-21swapper/100:20:181
1625423993612,19cyclictest0-21swapper/120:05:171
1625423993610,25cyclictest0-21swapper/122:55:161
162542999350,35cyclictest0-21swapper/722:25:167
162542999350,34cyclictest0-21swapper/722:20:097
162542999350,15cyclictest0-21swapper/723:25:177
162542999350,15cyclictest0-21swapper/723:25:167
162542799350,15cyclictest0-21swapper/521:25:205
1625426993517,18cyclictest0-21swapper/422:31:124
162542699350,34cyclictest0-21swapper/421:52:004
162542699350,15cyclictest0-21swapper/421:02:324
162542699350,15cyclictest0-21swapper/420:37:364
162542399359,25cyclictest0-21swapper/121:50:201
162542399359,19cyclictest0-21swapper/121:20:171
1625423993512,19cyclictest0-21swapper/119:15:171
1625429993433,0cyclictest0-21swapper/722:10:227
1625429993414,19cyclictest0-21swapper/722:40:167
162542699340,34cyclictest0-21swapper/423:00:484
162542699340,15cyclictest0-21swapper/421:33:004
1625429993314,19cyclictest0-21swapper/721:50:197
1625429993314,19cyclictest0-21swapper/721:30:177
1625429993314,19cyclictest0-21swapper/720:35:177
1625429993314,19cyclictest0-21swapper/720:10:167
1625429993314,19cyclictest0-21swapper/719:40:167
1625429993314,19cyclictest0-21swapper/700:10:177
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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