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2026-03-25 - 05:46
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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 Mar 25, 2026 00:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491245199,35phc2sys0-21swapper/319:06:593
281782203171,21sleep10-21swapper/119:06:071
281792202168,23sleep20-21swapper/219:06:082
281722202169,22sleep00-21swapper/019:06:010
283392720,1sleep128343-21missed_timers22:30:221
139391660,1ptp4l401ktimersoftd/322:47:513
285862620,1sleep30-21swapper/320:15:173
146422570,2sleep20-21swapper/219:45:232
46542560,2sleep00-21swapper/023:55:260
22672520,2sleep10-21swapper/121:35:221
139391520,1ptp4l401ktimersoftd/300:29:373
139391450,0ptp4l401ktimersoftd/322:24:073
28779994332,9cyclictest41-21ksoftirqd/321:20:143
28776994328,13cyclictest9-21ksoftirqd/000:35:110
139391430,0ptp4l401ktimersoftd/323:49:553
139391430,0ptp4l401ktimersoftd/323:49:553
139391430,0ptp4l401ktimersoftd/319:44:333
139391430,0ptp4l401ktimersoftd/319:44:323
139391420,0ptp4l401ktimersoftd/319:45:053
28779994130,9cyclictest41-21ksoftirqd/300:30:273
28778994129,10cyclictest33-21ksoftirqd/221:46:262
139391410,0ptp4l401ktimersoftd/319:35:213
28779994035,3cyclictest41-21ksoftirqd/323:35:003
28779994035,3cyclictest41-21ksoftirqd/320:10:003
2877799400,2cyclictest0-21swapper/121:15:431
139391400,0ptp4l401ktimersoftd/321:55:013
139391400,0ptp4l401ktimersoftd/321:13:033
28779993935,2cyclictest41-21ksoftirqd/320:00:003
28779993934,3cyclictest41-21ksoftirqd/323:05:003
28779993934,2cyclictest41-21ksoftirqd/321:30:273
28778993932,5cyclictest33-21ksoftirqd/219:25:012
28779993833,3cyclictest41-21ksoftirqd/300:00:003
57898370,2rtkit-daemon0-21swapper/100:10:171
28779993733,2cyclictest41-21ksoftirqd/322:05:013
28779993733,2cyclictest41-21ksoftirqd/320:30:003
28779993732,3cyclictest41-21ksoftirqd/321:20:013
28778993727,9cyclictest33-21ksoftirqd/219:30:122
28777993731,4cyclictest25-21ksoftirqd/121:53:271
139391370,14ptp4l401ktimersoftd/321:25:213
57898360,2rtkit-daemon0-21swapper/122:40:381
57898360,2rtkit-daemon0-21swapper/122:24:021
28779993632,2cyclictest41-21ksoftirqd/321:55:003
28779993625,9cyclictest41-21ksoftirqd/323:50:263
28777993631,3cyclictest25-21ksoftirqd/120:43:551
28777993631,3cyclictest25-21ksoftirqd/120:43:541
28777993630,4cyclictest25-21ksoftirqd/123:41:311
28777993630,4cyclictest25-21ksoftirqd/120:54:591
28777993630,4cyclictest25-21ksoftirqd/120:12:541
28777993630,4cyclictest25-21ksoftirqd/120:12:531
28777993630,4cyclictest25-21ksoftirqd/119:53:251
28777993630,4cyclictest25-21ksoftirqd/119:37:561
28777993630,4cyclictest25-21ksoftirqd/100:15:031
28776993630,4cyclictest9-21ksoftirqd/023:07:280
139391360,1ptp4l1317-21runrttasks21:04:183
57898350,4rtkit-daemon0-21swapper/122:49:531
57898350,1rtkit-daemon0-21swapper/120:25:031
57898350,1rtkit-daemon0-21swapper/100:30:331
28779993531,3cyclictest41-21ksoftirqd/319:20:003
28779993531,2cyclictest41-21ksoftirqd/319:55:013
28779993530,3cyclictest41-21ksoftirqd/323:40:013
28779993530,3cyclictest41-21ksoftirqd/323:14:523
28779993530,3cyclictest41-21ksoftirqd/322:30:133
28779993530,3cyclictest41-21ksoftirqd/320:59:063
28779993530,3cyclictest41-21ksoftirqd/320:31:313
28779993529,4cyclictest41-21ksoftirqd/322:40:153
28779993529,4cyclictest41-21ksoftirqd/322:14:393
28779993529,3cyclictest41-21ksoftirqd/321:44:343
2877999352,3cyclictest41-21ksoftirqd/300:15:163
28778993529,4cyclictest33-21ksoftirqd/223:12:192
28778993529,4cyclictest33-21ksoftirqd/219:39:422
28778993529,4cyclictest33-21ksoftirqd/200:28:082
28778993529,4cyclictest33-21ksoftirqd/200:07:102
28778993524,9cyclictest33-21ksoftirqd/222:50:302
28777993530,3cyclictest25-21ksoftirqd/123:31:201
28777993530,3cyclictest25-21ksoftirqd/119:24:521
28777993529,4cyclictest25-21ksoftirqd/121:31:371
28777993529,4cyclictest25-21ksoftirqd/121:13:041
28777993529,4cyclictest25-21ksoftirqd/121:05:531
28777993528,5cyclictest25-21ksoftirqd/123:20:571
28777993528,5cyclictest25-21ksoftirqd/119:29:141
28777993528,4cyclictest25-21ksoftirqd/123:35:121
28776993530,3cyclictest9-21ksoftirqd/019:55:010
28776993530,3cyclictest9-21ksoftirqd/000:10:290
28776993529,4cyclictest9-21ksoftirqd/022:22:590
28776993529,4cyclictest9-21ksoftirqd/022:00:310
28776993521,12cyclictest9-21ksoftirqd/000:00:090
28776993515,4cyclictest32711-21grep22:40:150
28776993513,3cyclictest8644-21sed22:55:260
28779993429,3cyclictest41-21ksoftirqd/323:05:183
28779993429,3cyclictest41-21ksoftirqd/322:36:313
28779993429,3cyclictest41-21ksoftirqd/320:55:013
28779993429,3cyclictest41-21ksoftirqd/320:00:143
28779993429,3cyclictest41-21ksoftirqd/300:20:193
28779993428,4cyclictest41-21ksoftirqd/320:13:253
28779993428,4cyclictest41-21ksoftirqd/320:13:243
28779993423,9cyclictest41-21ksoftirqd/319:20:263
28778993430,3cyclictest33-21ksoftirqd/222:16:492
28778993430,3cyclictest33-21ksoftirqd/221:32:262
28778993428,4cyclictest33-21ksoftirqd/222:32:392
28778993428,4cyclictest33-21ksoftirqd/222:20:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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