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2026-09-04 - 03:44
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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 Fri Sep 04, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39172223158,21sleep00-21swapper/019:09:360
38592215181,23sleep20-21swapper/219:08:502
38902204169,23sleep30-21swapper/319:09:163
38832204172,21sleep10-21swapper/119:09:101
575521530,6sleep2424299cyclictest22:35:022
139391760,0ptp4l391rcuc/323:10:223
4243996329,7cyclictest41-21ksoftirqd/319:35:003
4243996128,8cyclictest41-21ksoftirqd/320:20:263
4243996121,10cyclictest41-21ksoftirqd/322:45:003
4243996027,4cyclictest41-21ksoftirqd/321:05:143
4243996025,4cyclictest41-21ksoftirqd/320:15:163
4243995825,4cyclictest41-21ksoftirqd/323:40:143
4243995824,5cyclictest41-21ksoftirqd/322:35:193
4243995821,4cyclictest41-21ksoftirqd/323:05:013
4243995820,9cyclictest41-21ksoftirqd/321:35:113
4243995730,5cyclictest41-21ksoftirqd/322:05:163
4243995720,4cyclictest41-21ksoftirqd/322:00:143
4243995624,7cyclictest41-21ksoftirqd/319:40:273
4243995623,4cyclictest41-21ksoftirqd/319:25:243
4243995522,4cyclictest41-21ksoftirqd/320:50:003
4243995521,9cyclictest41-21ksoftirqd/323:52:123
424399551,6cyclictest41-21ksoftirqd/322:15:193
4243995424,9cyclictest41-21ksoftirqd/300:36:113
4243995422,6cyclictest41-21ksoftirqd/321:30:283
4243995421,4cyclictest41-21ksoftirqd/320:35:183
4243995421,4cyclictest41-21ksoftirqd/320:30:143
4243995420,7cyclictest41-21ksoftirqd/300:00:243
4243995420,4cyclictest41-21ksoftirqd/300:05:163
4243995418,10cyclictest41-21ksoftirqd/300:25:233
394825437,9sleep30-21swapper/319:10:013
424399535,8cyclictest41-21ksoftirqd/322:55:123
424399532,7cyclictest41-21ksoftirqd/321:40:263
4243995324,7cyclictest41-21ksoftirqd/322:25:203
4243995324,7cyclictest41-21ksoftirqd/319:50:243
4243995323,7cyclictest41-21ksoftirqd/321:55:273
4243995323,7cyclictest41-21ksoftirqd/321:55:273
139391530,0ptp4l391rcuc/321:50:143
139391530,0ptp4l391rcuc/321:50:133
424399524,9cyclictest41-21ksoftirqd/319:45:153
424399524,8cyclictest41-21ksoftirqd/322:30:293
424399524,8cyclictest41-21ksoftirqd/320:25:293
424399523,10cyclictest41-21ksoftirqd/321:50:003
4243995224,8cyclictest41-21ksoftirqd/319:55:213
4243995221,12cyclictest41-21ksoftirqd/323:49:433
4243995122,4cyclictest41-21ksoftirqd/323:30:013
424399511,6cyclictest41-21ksoftirqd/321:20:253
4243995115,7cyclictest41-21ksoftirqd/322:45:013
424399510,6cyclictest41-21ksoftirqd/322:10:203
115662510,2sleep30-21swapper/323:55:143
66012500,2sleep00-21swapper/020:20:240
424399502,9cyclictest41-21ksoftirqd/322:50:293
424399502,6cyclictest41-21ksoftirqd/300:35:003
424399501,5cyclictest41-21ksoftirqd/320:10:013
424399501,5cyclictest41-21ksoftirqd/320:10:013
424399495,7cyclictest41-21ksoftirqd/321:00:013
424399493,6cyclictest41-21ksoftirqd/319:15:183
8822480,3sleep0885-21tr00:40:000
424399483,9cyclictest41-21ksoftirqd/323:35:203
424399482,9cyclictest41-21ksoftirqd/323:05:213
4243994819,4cyclictest41-21ksoftirqd/322:20:173
4243994819,3cyclictest41-21ksoftirqd/320:40:253
424399475,8cyclictest41-21ksoftirqd/320:00:143
424399475,10cyclictest41-21ksoftirqd/323:20:273
424399473,8cyclictest41-21ksoftirqd/300:20:233
424399472,4cyclictest41-21ksoftirqd/319:35:243
4243994719,4cyclictest41-21ksoftirqd/323:35:003
4243994718,4cyclictest41-21ksoftirqd/319:20:153
70862460,2sleep00-21swapper/022:35:250
424399465,8cyclictest41-21ksoftirqd/321:10:223
424399464,8cyclictest41-21ksoftirqd/323:15:153
4243994629,8cyclictest41-21ksoftirqd/321:00:183
424399462,5cyclictest41-21ksoftirqd/321:15:183
424399454,6cyclictest41-21ksoftirqd/320:12:353
424399452,6cyclictest41-21ksoftirqd/321:25:293
424399444,8cyclictest41-21ksoftirqd/320:50:193
57898420,8rtkit-daemon0-21swapper/100:32:381
4243994215,8cyclictest41-21ksoftirqd/300:16:543
4240994135,4cyclictest24512-21sh23:15:000
424099411,3cyclictest1317-21runrttasks19:42:180
4240994034,4cyclictest760-21wc22:25:140
424399391,7cyclictest41-21ksoftirqd/300:10:223
4242993935,2cyclictest33-21ksoftirqd/200:20:002
4242993934,3cyclictest33-21ksoftirqd/221:20:002
4242993833,3cyclictest33-21ksoftirqd/219:35:002
4241993834,2cyclictest25-21ksoftirqd/119:24:591
4241993832,4cyclictest25-21ksoftirqd/100:27:051
4241993831,5cyclictest25-21ksoftirqd/119:44:311
57898370,3rtkit-daemon22028-21apt-get20:55:110
4242993732,3cyclictest1652-21cron23:35:002
4242993631,3cyclictest33-21ksoftirqd/223:00:002
4242993631,3cyclictest33-21ksoftirqd/200:00:022
4242993631,2cyclictest33-21ksoftirqd/223:45:132
4242993630,4cyclictest33-21ksoftirqd/221:29:472
4241993631,3cyclictest25-21ksoftirqd/123:00:001
4241993631,3cyclictest25-21ksoftirqd/122:00:011
4241993631,3cyclictest25-21ksoftirqd/122:00:011
4241993630,4cyclictest25-21ksoftirqd/119:38:531
4241993630,4cyclictest25-21ksoftirqd/100:18:031
4242993530,3cyclictest33-21ksoftirqd/222:45:102
4242993530,3cyclictest33-21ksoftirqd/221:40:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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