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2026-04-26 - 04:37
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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 Sun Apr 26, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491206172,22phc2sys0-21swapper/319:06:583
36142205170,23sleep20-21swapper/219:07:202
36382204172,21sleep10-21swapper/119:07:381
35272202169,22sleep00-21swapper/019:06:180
1394918363,11phc2sys0-21swapper/319:10:003
54792670,2sleep00-21swapper/022:35:130
173742600,2sleep00-21swapper/019:35:260
139391570,1ptp4l401ktimersoftd/322:40:293
139391560,0ptp4l401ktimersoftd/321:01:573
257872540,2sleep20-21swapper/219:55:132
139391540,0ptp4l401ktimersoftd/320:39:223
139391530,1ptp4l391rcuc/322:00:343
4110994920,3cyclictest25-21ksoftirqd/123:25:211
4110994819,3cyclictest25-21ksoftirqd/120:45:251
4110994812,4cyclictest25-21ksoftirqd/120:10:211
139391480,1ptp4l401ktimersoftd/319:55:373
4110994718,3cyclictest25-21ksoftirqd/100:40:001
4110994710,9cyclictest25-21ksoftirqd/120:15:121
4110994710,4cyclictest25-21ksoftirqd/121:35:141
410999473,40cyclictest32467-21ls20:10:010
4109994711,22cyclictest1317-21runrttasks20:36:350
411099469,8cyclictest25-21ksoftirqd/122:25:231
411099468,8cyclictest25-21ksoftirqd/119:10:181
4110994516,3cyclictest25-21ksoftirqd/120:50:231
4110994511,7cyclictest25-21ksoftirqd/120:30:141
139391450,0ptp4l401ktimersoftd/322:16:033
411099449,4cyclictest25-21ksoftirqd/123:30:241
411099448,8cyclictest25-21ksoftirqd/121:25:251
411099447,7cyclictest25-21ksoftirqd/100:15:161
4110994418,4cyclictest25-21ksoftirqd/100:11:251
4110994418,3cyclictest25-21ksoftirqd/121:40:241
4110994416,4cyclictest25-21ksoftirqd/123:15:211
4110994416,4cyclictest25-21ksoftirqd/120:25:221
4110994416,3cyclictest25-21ksoftirqd/121:05:131
4110994412,5cyclictest25-21ksoftirqd/121:45:161
4110994411,4cyclictest25-21ksoftirqd/123:45:281
4110994411,4cyclictest25-21ksoftirqd/120:55:191
139391440,1ptp4l391rcuc/323:25:533
411099437,8cyclictest25-21ksoftirqd/100:25:241
411099437,7cyclictest25-21ksoftirqd/123:05:241
411099436,8cyclictest25-21ksoftirqd/119:50:171
4110994316,3cyclictest25-21ksoftirqd/122:40:261
4110994314,4cyclictest25-21ksoftirqd/120:44:011
4110994311,7cyclictest25-21ksoftirqd/123:10:221
4110994310,7cyclictest25-21ksoftirqd/122:55:241
4110994310,4cyclictest25-21ksoftirqd/121:15:021
139391430,0ptp4l401ktimersoftd/322:58:523
139391430,0ptp4l401ktimersoftd/319:34:293
411099428,6cyclictest25-21ksoftirqd/123:35:191
411099428,4cyclictest25-21ksoftirqd/119:35:221
411099427,8cyclictest25-21ksoftirqd/123:00:191
4110994215,4cyclictest25-21ksoftirqd/119:23:541
4110994214,4cyclictest25-21ksoftirqd/122:34:291
4110994214,3cyclictest25-21ksoftirqd/100:05:001
4110994212,9cyclictest25-21ksoftirqd/122:15:181
139391420,0ptp4l401ktimersoftd/323:45:173
139391420,0ptp4l401ktimersoftd/319:36:053
411099417,6cyclictest25-21ksoftirqd/123:45:001
4110994116,7cyclictest25-21ksoftirqd/100:35:001
4110994111,7cyclictest25-21ksoftirqd/122:35:151
4110994110,4cyclictest25-21ksoftirqd/100:05:261
139391410,0ptp4l401ktimersoftd/321:22:073
139391410,0ptp4l401ktimersoftd/320:45:173
411099409,7cyclictest25-21ksoftirqd/121:10:161
411099406,7cyclictest25-21ksoftirqd/119:45:191
411099404,4cyclictest25-21ksoftirqd/119:40:261
411099404,3cyclictest10883-21tr22:45:191
4110994012,7cyclictest25-21ksoftirqd/119:34:591
4111993934,3cyclictest33-21ksoftirqd/200:40:002
411099398,8cyclictest25-21ksoftirqd/120:00:171
4110993935,2cyclictest25-21ksoftirqd/121:00:171
4110993934,3cyclictest25-21ksoftirqd/122:15:011
411099391,5cyclictest25-21ksoftirqd/123:55:231
411099391,5cyclictest25-21ksoftirqd/120:35:201
411099390,2cyclictest13381-21cron19:30:001
139391390,0ptp4l401ktimersoftd/320:20:153
411099384,7cyclictest25-21ksoftirqd/121:30:151
4110993833,3cyclictest25-21ksoftirqd/100:20:151
411099381,4cyclictest25-21ksoftirqd/123:50:161
411099380,5cyclictest25-21ksoftirqd/119:15:241
139391380,0ptp4l401ktimersoftd/321:15:023
134391380,1getstats0-21swapper/322:35:433
4112993728,7cyclictest41-21ksoftirqd/300:25:013
4111993732,3cyclictest33-21ksoftirqd/219:35:002
4111993726,9cyclictest33-21ksoftirqd/220:05:152
411099378,6cyclictest25-21ksoftirqd/122:05:251
4110993732,2cyclictest25-21ksoftirqd/119:55:171
4110993731,3cyclictest25-21ksoftirqd/121:25:001
4110993730,4cyclictest25-21ksoftirqd/122:24:031
411099371,4cyclictest25-21ksoftirqd/121:55:131
4110993710,8cyclictest25-21ksoftirqd/122:50:141
4109993730,4cyclictest9-21ksoftirqd/021:42:580
139391370,0ptp4l401ktimersoftd/321:54:443
4112993631,3cyclictest41-21ksoftirqd/322:13:383
4112993630,4cyclictest41-21ksoftirqd/322:21:083
4112993630,4cyclictest41-21ksoftirqd/321:42:503
4112993630,4cyclictest41-21ksoftirqd/320:42:203
4111993632,2cyclictest33-21ksoftirqd/222:54:592
4111993631,3cyclictest33-21ksoftirqd/223:15:002
4111993631,3cyclictest33-21ksoftirqd/223:02:462
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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