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2025-11-20 - 20:28
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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 rackdslot0.osadl.org (updated Thu Nov 20, 2025 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
679992214,7cyclictest9660-21package-data-do07:25:011
679992213,6cyclictest0-21swapper/111:55:201
67499226,12cyclictest9-21ksoftirqd/007:16:320
67499226,12cyclictest9-21ksoftirqd/007:16:320
68399212,16cyclictest4530-21H212:26:332
674992119,1cyclictest9-21ksoftirqd/009:55:370
68399200,19cyclictest823-21systemd-network08:47:182
679992014,3cyclictest0-21swapper/108:25:311
674992018,1cyclictest19465-21date10:35:000
674992015,4cyclictest0-21swapper/010:55:410
67499200,17cyclictest0-21swapper/010:15:190
683991916,2cyclictest4526-21H212:26:332
683991915,3cyclictest0-21swapper/212:32:512
68399190,18cyclictest0-21swapper/211:57:422
68399190,16cyclictest4593-21H212:26:332
68399190,16cyclictest4538-21H212:26:332
68399190,16cyclictest4526-21H212:26:332
679991917,1cyclictest0-21swapper/110:55:221
679991917,1cyclictest0-21swapper/108:00:151
679991917,1cyclictest0-21swapper/107:52:011
679991916,2cyclictest8338-21sed08:20:011
679991914,4cyclictest823-21systemd-network10:50:011
67999191,1cyclictest0-21swapper/108:32:451
67999191,17cyclictest25393-21ps09:45:231
67999190,5cyclictest0-21swapper/112:33:051
67999190,3cyclictest0-21swapper/109:15:131
67999190,16cyclictest4593-21H212:26:331
67499193,15cyclictest0-21swapper/012:33:280
67499192,16cyclictest29944-21timerandwakeup10:50:220
674991917,1cyclictest9-21ksoftirqd/010:43:210
674991914,3cyclictest4530-21H212:26:330
68399182,15cyclictest28-21ksoftirqd/210:47:382
683991816,1cyclictest28-21ksoftirqd/212:35:172
683991816,1cyclictest0-21swapper/210:37:112
683991815,2cyclictest4528-21H212:26:332
683991815,2cyclictest4526-21H212:26:332
683991814,3cyclictest4593-21H212:26:332
68399180,2cyclictest4536-21H212:26:332
68399180,17cyclictest7325-21cron11:10:002
68399180,16cyclictest0-21swapper/209:10:142
67999183,1cyclictest4593-21H212:26:331
67999182,1cyclictest0-21swapper/107:14:411
67999182,15cyclictest62092sleep107:16:571
67999182,15cyclictest62092sleep107:16:571
67999182,15cyclictest27851-21nfsd409:50:191
67999182,15cyclictest21-21ksoftirqd/111:15:521
67999182,15cyclictest20323-21switchtime11:30:241
67999182,15cyclictest0-21swapper/111:42:191
679991816,1cyclictest21550-21expr11:35:131
679991816,1cyclictest0-21swapper/112:10:181
679991815,2cyclictest7402-21latency_hist11:10:001
679991815,2cyclictest4578-21accounts12:26:331
679991814,3cyclictest941-21find09:05:011
679991814,3cyclictest1079-21gdbus09:40:231
679991814,3cyclictest0-21swapper/108:56:081
679991812,5cyclictest414-20systemd-journal07:49:561
67999181,16cyclictest454-21plymouthd12:00:141
67999180,17cyclictest4581-21H212:26:331
67999180,17cyclictest0-21swapper/107:44:161
67999180,17cyclictest0-21swapper/107:44:161
67999180,16cyclictest4593-21H212:26:331
67999180,16cyclictest4532-21H212:26:331
67999180,15cyclictest4581-21H212:26:331
67499183,1cyclictest0-21swapper/008:08:180
674991816,1cyclictest0-21swapper/012:04:130
674991816,1cyclictest0-21swapper/010:36:510
674991815,2cyclictest0-21swapper/011:01:320
67499180,3cyclictest28386-21cut11:45:210
67499180,2cyclictest4593-21H212:26:330
67499180,2cyclictest4536-21H212:26:330
67499180,2cyclictest4532-21H212:26:330
67499180,17cyclictest4536-21H212:26:330
67499180,16cyclictest4593-21H212:26:330
67499180,16cyclictest4534-21H212:26:330
67499180,15cyclictest4581-21H212:26:330
683991715,1cyclictest28-21ksoftirqd/209:08:512
683991715,1cyclictest193252chrt12:28:462
683991714,2cyclictest6843-21needreboot08:15:202
683991714,2cyclictest4538-21H212:26:332
683991714,2cyclictest4536-21H212:26:332
683991714,2cyclictest4534-21H212:26:332
683991714,2cyclictest29621-21cat09:55:142
683991714,2cyclictest27126-21cpuspeed_turbos11:45:172
683991714,2cyclictest26473-21processes08:50:212
683991714,2cyclictest19748-21pzem_voltage09:35:182
683991714,2cyclictest14667-21cat12:20:122
683991714,2cyclictest12344-21sed07:30:012
683991713,3cyclictest4523-21H212:26:332
68399171,1cyclictest5781-21switchtime07:15:232
68399171,1cyclictest5781-21switchtime07:15:232
68399171,15cyclictest0-21swapper/209:50:132
68399170,2cyclictest4918-21taskset08:10:242
68399170,2cyclictest4538-21H212:26:332
68399170,2cyclictest4538-21H212:26:332
68399170,2cyclictest4534-21H212:26:332
68399170,2cyclictest4526-21H212:26:332
68399170,2cyclictest4523-21H212:26:332
68399170,2cyclictest30053-21snapd07:43:572
68399170,2cyclictest30053-21snapd07:43:572
68399170,2cyclictest21204-21grep07:45:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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