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2026-07-22 - 11:30
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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 rackdslot3.osadl.org (updated Wed Jul 22, 2026 00:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
105602205172,22sleep30-21swapper/319:07:193
106272204172,21sleep20-21swapper/219:08:092
105282202169,22sleep10-21swapper/119:06:521
104362202169,22sleep00-21swapper/019:05:460
136921680,4sleep31106599cyclictest21:05:003
3167321360,1sleep30-21swapper/323:15:183
11063996423,8cyclictest25-21ksoftirqd/121:40:231
11063996323,7cyclictest25-21ksoftirqd/122:55:261
11063996222,9cyclictest25-21ksoftirqd/123:25:241
11063996221,9cyclictest25-21ksoftirqd/119:25:241
11063996221,8cyclictest25-21ksoftirqd/120:05:161
11063996220,7cyclictest25-21ksoftirqd/123:30:131
11063996128,4cyclictest25-21ksoftirqd/123:05:171
11063996122,9cyclictest25-21ksoftirqd/120:15:201
11063996120,8cyclictest25-21ksoftirqd/122:30:181
11063996028,4cyclictest25-21ksoftirqd/100:20:241
11063996027,7cyclictest25-21ksoftirqd/123:00:171
11063996022,6cyclictest25-21ksoftirqd/122:05:281
11063996021,8cyclictest25-21ksoftirqd/123:10:201
206172590,2sleep30-21swapper/319:30:123
11063995924,7cyclictest25-21ksoftirqd/100:15:191
11063995924,6cyclictest25-21ksoftirqd/119:15:191
11063995923,8cyclictest25-21ksoftirqd/119:30:241
11063995923,7cyclictest25-21ksoftirqd/122:45:241
11063995923,7cyclictest25-21ksoftirqd/121:50:181
11063995922,7cyclictest25-21ksoftirqd/100:10:161
11063995922,6cyclictest25-21ksoftirqd/100:00:201
11063995920,10cyclictest25-21ksoftirqd/100:25:281
139391580,1ptp4l401ktimersoftd/320:50:083
11063995829,8cyclictest25-21ksoftirqd/120:15:001
11063995828,3cyclictest25-21ksoftirqd/122:50:171
11063995827,7cyclictest25-21ksoftirqd/119:40:291
11063995827,7cyclictest25-21ksoftirqd/119:40:281
11063995826,8cyclictest25-21ksoftirqd/123:35:141
11063995825,8cyclictest25-21ksoftirqd/123:15:221
11063995824,8cyclictest25-21ksoftirqd/122:10:161
11063995823,4cyclictest25-21ksoftirqd/121:55:251
11063995822,8cyclictest25-21ksoftirqd/120:00:251
11063995822,7cyclictest25-21ksoftirqd/120:50:181
11063995822,4cyclictest25-21ksoftirqd/121:25:151
11063995821,7cyclictest25-21ksoftirqd/120:20:141
11063995821,10cyclictest25-21ksoftirqd/120:30:171
11063995820,9cyclictest25-21ksoftirqd/123:50:191
11063995820,7cyclictest25-21ksoftirqd/120:45:121
11063995819,9cyclictest25-21ksoftirqd/121:05:271
11063995818,9cyclictest25-21ksoftirqd/122:15:131
11063995728,7cyclictest25-21ksoftirqd/120:35:121
11063995727,8cyclictest25-21ksoftirqd/121:35:201
11063995726,4cyclictest25-21ksoftirqd/122:20:121
11063995723,10cyclictest25-21ksoftirqd/122:25:241
11063995722,8cyclictest25-21ksoftirqd/123:20:171
11063995722,8cyclictest25-21ksoftirqd/123:20:171
11063995722,7cyclictest25-21ksoftirqd/119:20:131
224892560,6sleep322494-21irqrtprio22:55:203
11063995625,4cyclictest25-21ksoftirqd/122:45:011
11063995625,4cyclictest25-21ksoftirqd/119:55:241
11063995625,4cyclictest25-21ksoftirqd/100:00:011
11063995623,8cyclictest25-21ksoftirqd/123:40:391
11063995618,4cyclictest25-21ksoftirqd/122:00:171
11063995617,4cyclictest25-21ksoftirqd/120:25:271
139391550,1ptp4l401ktimersoftd/320:29:323
11063995523,7cyclictest25-21ksoftirqd/122:35:271
11063995523,7cyclictest25-21ksoftirqd/100:05:181
1106399548,3cyclictest25-21ksoftirqd/119:35:211
11063995424,4cyclictest25-21ksoftirqd/100:35:011
11063995422,9cyclictest25-21ksoftirqd/120:55:131
11063995421,7cyclictest25-21ksoftirqd/123:45:251
1106399537,2cyclictest25-21ksoftirqd/121:45:241
1106399533,10cyclictest25-21ksoftirqd/119:15:011
11063995316,3cyclictest25-21ksoftirqd/121:20:161
1106399527,3cyclictest25-21ksoftirqd/119:45:261
1106399526,3cyclictest25-21ksoftirqd/121:00:261
11063995219,7cyclictest25-21ksoftirqd/100:35:241
1106399517,3cyclictest25-21ksoftirqd/121:30:231
1106399506,3cyclictest25-21ksoftirqd/121:15:211
1106399495,3cyclictest25-21ksoftirqd/121:10:131
305512470,3sleep330554-21cpuspeed_turbos00:20:133
303812470,2sleep30-21swapper/322:05:183
11064994540,3cyclictest32184-21cron22:10:002
1106399451,7cyclictest0-21swapper/119:55:011
11062994539,4cyclictest2465-21cron00:30:010
11063994414,6cyclictest25-21ksoftirqd/120:40:151
231182420,3sleep30-21swapper/320:40:253
139391420,1ptp4l401ktimersoftd/321:30:203
139391420,0ptp4l401ktimersoftd/320:03:193
139391410,1ptp4l401ktimersoftd/321:49:123
226742400,2sleep20-21swapper/221:50:002
139391400,32ptp4l0-21swapper/319:10:023
139391380,0ptp4l401ktimersoftd/322:10:213
139391370,0ptp4l401ktimersoftd/321:35:143
11065993732,3cyclictest41-21ksoftirqd/321:25:003
11064993731,4cyclictest33-21ksoftirqd/200:21:082
11062993732,3cyclictest9-21ksoftirqd/023:21:520
11062993732,3cyclictest9-21ksoftirqd/023:21:510
11062993732,3cyclictest9-21ksoftirqd/020:55:140
11062993731,3cyclictest9-21ksoftirqd/020:20:000
139391360,0ptp4l401ktimersoftd/300:30:233
11065993632,2cyclictest41-21ksoftirqd/319:20:003
11065993630,4cyclictest41-21ksoftirqd/300:00:353
11064993632,3cyclictest33-21ksoftirqd/222:11:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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