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2026-03-20 - 12:07
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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 Mar 20, 2026 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491234168,22phc2sys0-21swapper/319:07:193
35402209176,22sleep10-21swapper/119:05:531
37182205172,22sleep00-21swapper/019:08:060
36782202169,22sleep20-21swapper/219:07:362
3046921510,4sleep2415899cyclictest00:30:272
139391720,1ptp4l17411-21apt-get23:00:023
415899637,19cyclictest0-21swapper/221:45:012
4159996220,4cyclictest41-21ksoftirqd/322:19:093
4158996211,12cyclictest32267-21awk00:35:222
4159996126,9cyclictest41-21ksoftirqd/321:35:273
216302610,2sleep20-21swapper/223:05:232
4159996019,10cyclictest41-21ksoftirqd/321:00:123
4158996013,12cyclictest7262-21awk22:35:252
4159995824,9cyclictest41-21ksoftirqd/300:05:253
4159995821,9cyclictest41-21ksoftirqd/320:07:403
4159995821,10cyclictest41-21ksoftirqd/319:40:163
4159995724,10cyclictest41-21ksoftirqd/300:35:143
4158995611,11cyclictest17923-21chrt19:36:192
4158995610,8cyclictest13249-21chrt19:27:042
4158995610,11cyclictest10078-21/usr/sbin/munin20:30:252
106112560,3sleep1231rcuc/123:50:221
415899555,10cyclictest0-21swapper/219:45:262
415999546,9cyclictest41-21ksoftirqd/319:10:253
415999546,9cyclictest41-21ksoftirqd/319:10:253
415999546,8cyclictest41-21ksoftirqd/300:00:233
415999545,9cyclictest41-21ksoftirqd/322:00:233
4159995421,8cyclictest41-21ksoftirqd/300:29:153
415999536,9cyclictest41-21ksoftirqd/322:35:243
415999534,8cyclictest41-21ksoftirqd/320:40:283
415999534,8cyclictest41-21ksoftirqd/319:30:003
415999532,8cyclictest1300-21snmpd21:15:123
4159995321,9cyclictest41-21ksoftirqd/320:10:083
4159995320,4cyclictest41-21ksoftirqd/300:15:353
415999531,7cyclictest41-21ksoftirqd/322:59:593
415899535,9cyclictest0-21swapper/219:40:112
4158995311,18cyclictest12046-21awk22:45:242
4158995311,11cyclictest1613-21chrt23:32:232
4158995311,10cyclictest14758-21chrt22:51:352
4158995310,10cyclictest21420-21chrt20:50:522
415999514,9cyclictest41-21ksoftirqd/323:05:123
415999512,6cyclictest41-21ksoftirqd/319:40:003
4159995125,4cyclictest41-21ksoftirqd/321:06:323
4158995111,11cyclictest11347-21sshd23:54:352
4158995110,11cyclictest4352-21systemctl20:15:252
4158995110,11cyclictest13471-21chrt23:55:502
415999502,9cyclictest41-21ksoftirqd/320:40:003
4159995022,9cyclictest41-21ksoftirqd/320:25:283
4159995021,9cyclictest41-21ksoftirqd/321:10:173
415899509,9cyclictest0-21swapper/221:00:442
415999496,4cyclictest41-21ksoftirqd/321:30:143
415999494,9cyclictest41-21ksoftirqd/300:10:183
415999493,6cyclictest41-21ksoftirqd/320:45:123
415999491,8cyclictest41-21ksoftirqd/320:50:163
415899499,11cyclictest6922-21df_abs19:15:132
415899498,7cyclictest22000-21apt-get20:55:112
415899496,10cyclictest0-21swapper/200:05:152
415999486,9cyclictest41-21ksoftirqd/323:40:193
415999485,8cyclictest41-21ksoftirqd/321:20:233
415999484,8cyclictest41-21ksoftirqd/322:10:133
415999483,8cyclictest41-21ksoftirqd/323:25:223
415999483,8cyclictest41-21ksoftirqd/320:55:193
415999482,7cyclictest41-21ksoftirqd/322:43:353
415999482,6cyclictest41-21ksoftirqd/319:20:013
415999482,5cyclictest41-21ksoftirqd/322:45:233
415999481,9cyclictest41-21ksoftirqd/319:30:013
415999481,6cyclictest41-21ksoftirqd/319:20:123
415999480,8cyclictest41-21ksoftirqd/323:25:003
415999480,8cyclictest41-21ksoftirqd/321:45:133
415899489,9cyclictest23916-21latency_hist00:20:012
415899488,7cyclictest17411-21apt-get23:00:032
415899484,9cyclictest0-21swapper/223:25:222
415999474,9cyclictest41-21ksoftirqd/321:25:263
415999474,10cyclictest41-21ksoftirqd/323:15:193
415999473,8cyclictest41-21ksoftirqd/323:35:133
415999473,10cyclictest41-21ksoftirqd/320:15:203
415999472,9cyclictest41-21ksoftirqd/323:45:153
415999472,5cyclictest41-21ksoftirqd/322:30:153
415999471,6cyclictest41-21ksoftirqd/323:10:193
415999471,6cyclictest41-21ksoftirqd/319:45:163
4158994710,11cyclictest14403-21df_abs21:45:142
415999464,9cyclictest41-21ksoftirqd/320:25:003
415999464,10cyclictest41-21ksoftirqd/320:30:153
415999463,9cyclictest41-21ksoftirqd/319:50:153
415999462,8cyclictest41-21ksoftirqd/321:55:143
415999462,6cyclictest41-21ksoftirqd/323:55:143
415899469,9cyclictest0-21swapper/221:07:182
415899469,8cyclictest20257-21meminfo00:10:192
415899469,14cyclictest14231-21perl19:30:142
415899465,9cyclictest0-21swapper/223:20:192
415999454,9cyclictest41-21ksoftirqd/323:33:023
415999454,8cyclictest41-21ksoftirqd/322:25:273
415999454,10cyclictest41-21ksoftirqd/320:00:233
415999453,5cyclictest41-21ksoftirqd/321:50:213
415999452,8cyclictest41-21ksoftirqd/322:50:213
415999452,7cyclictest41-21ksoftirqd/300:20:133
415999452,10cyclictest41-21ksoftirqd/322:05:133
4159994519,8cyclictest41-21ksoftirqd/321:42:043
415899458,8cyclictest6708-21apt-get21:30:122
415899458,10cyclictest0-21swapper/222:07:472
415899450,12cyclictest4271-21needreboot22:30:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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