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2025-11-27 - 01:34
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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 Nov 26, 2025 12:46:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1755803997814,61cyclictest0-21swapper/408:50:164
1755803997414,21cyclictest0-21swapper/410:10:174
1755802997111,41cyclictest1808275-21strings08:40:223
1755804995840,18cyclictest0-21swapper/512:15:175
1755800995554,1cyclictest321rcuc/111:45:171
1755800995536,19cyclictest0-21swapper/111:40:171
1755803995415,39cyclictest0-21swapper/411:35:164
1755799995315,19cyclictest1756996-21chrt07:10:170
1755803995214,19cyclictest0-21swapper/407:25:144
1755800995214,38cyclictest0-21swapper/107:40:171
1755805995113,19cyclictest0-21swapper/612:20:166
1755805995113,19cyclictest0-21swapper/612:20:156
1755805995011,20cyclictest0-21swapper/610:10:176
1755803995011,20cyclictest0-21swapper/407:40:174
1755800994912,19cyclictest0-21swapper/109:35:161
175580399489,19cyclictest0-21swapper/411:15:164
175580399479,19cyclictest0-21swapper/412:25:154
1755805994527,18cyclictest0-21swapper/609:05:166
175580199446,19cyclictest0-21swapper/212:05:172
175580399434,39cyclictest0-21swapper/407:50:424
175580099424,19cyclictest0-21swapper/112:35:151
175580299411,21cyclictest778-21dbus-daemon08:50:173
175580199413,19cyclictest0-21swapper/211:10:152
175579999412,19cyclictest0-21swapper/009:00:150
175580399400,39cyclictest0-21swapper/408:35:164
175580199390,20cyclictest0-21swapper/210:35:162
175580599380,38cyclictest0-21swapper/611:50:176
175580599380,38cyclictest0-21swapper/611:50:176
175580499380,19cyclictest0-21swapper/511:20:215
1755799993819,19cyclictest171ktimers/009:20:160
175579999380,19cyclictest0-21swapper/007:55:170
175579999380,19cyclictest0-21swapper/007:55:160
1755806993737,0cyclictest1823873-21kworker/7:0+events10:02:197
1755802993717,1cyclictest511ktimers/310:06:513
1755801993718,19cyclictest421ktimers/209:25:202
1755800993718,19cyclictest0-21swapper/112:30:151
175580499360,36cyclictest0-21swapper/510:20:275
1755802993636,0cyclictest0-21swapper/310:02:203
175580199360,17cyclictest0-21swapper/207:20:182
175579999360,17cyclictest0-21swapper/011:20:220
1755806993534,0cyclictest1880398-21kworker/7:2+events11:01:117
175580599350,35cyclictest0-21swapper/612:30:156
175580499350,15cyclictest0-21swapper/510:25:165
175580399350,35cyclictest0-21swapper/410:20:284
175580399350,15cyclictest0-21swapper/412:20:164
175580399350,15cyclictest0-21swapper/412:20:154
175580199350,35cyclictest0-21swapper/208:16:442
1755800993516,0cyclictest34-21ksoftirqd/107:30:171
175580099350,15cyclictest0-21swapper/109:50:171
1755806993433,0cyclictest1744018-21kworker/7:1+events07:20:147
175580599340,34cyclictest0-21swapper/609:00:146
175580599340,34cyclictest0-21swapper/608:55:176
175580599340,15cyclictest0-21swapper/611:40:166
175580599340,14cyclictest0-21swapper/610:40:186
175580399340,15cyclictest0-21swapper/409:30:244
175580399340,15cyclictest0-21swapper/407:15:184
1755802993432,1cyclictest1777241-21ntpq07:45:223
1755801993418,16cyclictest0-21swapper/212:30:152
1755801993415,19cyclictest0-21swapper/208:45:172
1755801993414,20cyclictest0-21swapper/208:25:162
175580199340,15cyclictest0-21swapper/211:55:172
175580199340,14cyclictest0-21swapper/209:20:162
1755800993416,0cyclictest0-21swapper/108:05:171
1755800993414,19cyclictest0-21swapper/109:10:201
175580099340,34cyclictest0-21swapper/107:35:161
1755806993333,0cyclictest1880398-21kworker/7:2+events12:35:027
1755806993333,0cyclictest1744018-21kworker/7:1+events07:40:017
1755805993314,19cyclictest0-21swapper/611:25:186
1755805993314,19cyclictest0-21swapper/609:50:186
1755805993314,19cyclictest0-21swapper/608:40:196
1755805993314,19cyclictest0-21swapper/607:20:186
1755805993313,20cyclictest0-21swapper/609:25:216
1755804993314,19cyclictest0-21swapper/511:05:225
1755804993314,19cyclictest0-21swapper/509:55:175
1755804993314,19cyclictest0-21swapper/508:25:165
1755804993314,19cyclictest0-21swapper/507:55:175
1755804993314,19cyclictest0-21swapper/507:55:165
1755804993313,20cyclictest0-21swapper/509:40:315
175580499330,14cyclictest0-21swapper/507:10:175
1755803993314,19cyclictest0-21swapper/412:10:164
1755803993314,19cyclictest0-21swapper/410:50:164
1755803993314,19cyclictest0-21swapper/409:55:174
1755803993314,19cyclictest0-21swapper/408:40:184
1755803993314,19cyclictest0-21swapper/408:25:174
1755803993314,19cyclictest0-21swapper/408:10:154
1755803993314,19cyclictest0-21swapper/407:10:174
1755803993313,20cyclictest0-21swapper/407:20:184
1755801993314,19cyclictest0-21swapper/211:25:192
1755801993314,19cyclictest0-21swapper/210:00:152
1755801993314,19cyclictest0-21swapper/207:55:172
1755801993314,19cyclictest0-21swapper/207:55:162
1755800993315,18cyclictest0-21swapper/109:05:211
1755800993314,19cyclictest0-21swapper/112:15:161
1755800993314,19cyclictest0-21swapper/111:35:161
1755800993314,19cyclictest0-21swapper/110:35:161
1755800993314,19cyclictest0-21swapper/109:15:171
1755800993314,19cyclictest0-21swapper/107:50:421
1755800993314,19cyclictest0-21swapper/107:10:171
1755799993314,19cyclictest0-21swapper/011:50:180
1755799993314,19cyclictest0-21swapper/011:50:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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