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2026-05-12 - 03:22
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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 Tue May 12, 2026 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491206171,23phc2sys0-21swapper/319:06:143
55482204170,23sleep00-21swapper/019:08:450
55492203170,22sleep10-21swapper/119:08:471
54672202168,23sleep20-21swapper/219:07:422
593799770,2cyclictest0-21swapper/120:26:131
593799770,2cyclictest0-21swapper/120:26:131
593899621,59cyclictest379-21kworker/2:220:10:332
1394916050,3phc2sys0-21swapper/319:10:023
593899599,12cyclictest207-21systemd-journal23:40:242
593899598,11cyclictest5287-21chrt22:27:442
593899587,11cyclictest19915-21irqrtprio20:45:192
593899576,7cyclictest207-21systemd-journal22:30:122
593999566,8cyclictest41-21ksoftirqd/321:00:013
593899569,12cyclictest30995-21chrt21:06:242
593999557,8cyclictest41-21ksoftirqd/323:50:003
593999546,9cyclictest41-21ksoftirqd/300:00:243
593999545,8cyclictest41-21ksoftirqd/321:05:153
593999544,8cyclictest41-21ksoftirqd/323:10:243
593999543,10cyclictest41-21ksoftirqd/300:25:223
593899548,11cyclictest10284-21chrt19:17:082
593999536,9cyclictest41-21ksoftirqd/322:20:143
593999535,8cyclictest41-21ksoftirqd/323:05:173
593999535,8cyclictest41-21ksoftirqd/320:40:163
593999526,8cyclictest41-21ksoftirqd/322:45:003
593999526,8cyclictest41-21ksoftirqd/321:20:223
593899528,11cyclictest23730-21taskset20:52:202
593899528,10cyclictest28389-21chrt00:20:532
593899528,10cyclictest17209-21chrt22:52:472
593899525,12cyclictest197942sleep219:37:272
593999516,8cyclictest41-21ksoftirqd/319:50:263
593999515,9cyclictest41-21ksoftirqd/319:20:013
593999513,8cyclictest41-21ksoftirqd/321:10:273
593999512,7cyclictest41-21ksoftirqd/323:30:013
593899518,11cyclictest14836-21grep21:40:262
593899517,10cyclictest22704-21/usr/sbin/munin23:05:132
593899516,10cyclictest14076-21/usr/sbin/munin22:45:222
593899508,11cyclictest287992sleep221:03:312
593899508,11cyclictest27876-21chrt22:07:062
593999495,9cyclictest41-21ksoftirqd/320:15:153
593999493,6cyclictest41-21ksoftirqd/322:20:003
593999493,5cyclictest41-21ksoftirqd/322:05:183
593999491,7cyclictest41-21ksoftirqd/321:40:253
593899497,11cyclictest31002-21chrt00:28:592
593899497,11cyclictest24473-21chrt19:46:332
593899497,11cyclictest1563-21chrt23:26:482
593899497,10cyclictest17468-21chrt19:32:572
593899496,10cyclictest254672sleep222:04:132
80762480,2sleep10-21swapper/122:35:011
593999486,10cyclictest41-21ksoftirqd/319:20:183
593999485,9cyclictest41-21ksoftirqd/322:30:013
593999485,8cyclictest41-21ksoftirqd/321:50:203
593999485,10cyclictest41-21ksoftirqd/319:25:233
593999485,10cyclictest41-21ksoftirqd/319:25:233
593999483,6cyclictest41-21ksoftirqd/323:50:133
593999483,6cyclictest41-21ksoftirqd/320:20:163
593999482,6cyclictest41-21ksoftirqd/322:35:133
593999482,6cyclictest41-21ksoftirqd/300:30:153
593999481,6cyclictest41-21ksoftirqd/323:58:163
593999481,6cyclictest41-21ksoftirqd/320:25:283
593999481,6cyclictest41-21ksoftirqd/320:25:273
593899488,13cyclictest11540-21chrt20:28:252
593899488,13cyclictest11540-21chrt20:28:252
593899487,11cyclictest0-21swapper/221:25:162
593899486,10cyclictest17666-21chrt21:46:002
593799480,47cyclictest0-21swapper/122:21:431
593999476,8cyclictest41-21ksoftirqd/321:35:203
593999474,8cyclictest41-21ksoftirqd/321:55:133
593999474,10cyclictest41-21ksoftirqd/320:50:153
593999473,8cyclictest41-21ksoftirqd/322:10:243
593999473,6cyclictest41-21ksoftirqd/320:35:173
593999472,6cyclictest41-21ksoftirqd/322:00:263
593999472,6cyclictest41-21ksoftirqd/319:35:143
593999471,5cyclictest41-21ksoftirqd/321:15:193
593999470,5cyclictest41-21ksoftirqd/300:20:133
593899477,11cyclictest1228-21chrt21:14:592
593799470,45cyclictest0-21swapper/120:10:431
593999466,8cyclictest41-21ksoftirqd/319:55:263
593999466,5cyclictest41-21ksoftirqd/300:15:183
593999465,8cyclictest41-21ksoftirqd/323:20:223
593999463,8cyclictest41-21ksoftirqd/323:45:003
593999463,7cyclictest41-21ksoftirqd/300:10:253
593999463,6cyclictest41-21ksoftirqd/321:25:163
593999463,5cyclictest41-21ksoftirqd/320:10:013
593999462,5cyclictest41-21ksoftirqd/300:35:193
593999461,8cyclictest401ktimersoftd/323:15:133
593899467,12cyclictest3097-21taskset22:24:552
593899462,9cyclictest0-21swapper/220:00:212
593999455,9cyclictest41-21ksoftirqd/323:00:143
593999452,6cyclictest41-21ksoftirqd/323:35:183
593999452,6cyclictest41-21ksoftirqd/321:01:363
593999451,7cyclictest41-21ksoftirqd/322:30:153
593999451,6cyclictest41-21ksoftirqd/320:00:163
593999450,8cyclictest41-21ksoftirqd/300:10:013
593999450,6cyclictest16623-21strings19:30:203
593899456,11cyclictest303532sleep222:10:462
593999445,8cyclictest14148-21apt-config20:35:003
593999444,8cyclictest41-21ksoftirqd/320:45:153
593999443,6cyclictest41-21ksoftirqd/319:45:153
593999441,6cyclictest41-21ksoftirqd/322:55:233
593899449,11cyclictest1317-21runrttasks20:43:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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