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2026-06-12 - 13:57
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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 rackdslot4.osadl.org (updated Fri Jun 12, 2026 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591205171,23phc2sys0-21swapper/319:09:163
102562203170,22sleep00-21swapper/019:09:130
101402203170,22sleep10-21swapper/119:07:431
100782203171,21sleep20-21swapper/219:06:582
1031728262,11sleep30-21swapper/319:10:023
138491660,1ptp4l401ktimersoftd/321:45:173
67562590,8sleep0101ktimersoftd/020:05:210
138491440,0ptp4l401ktimersoftd/322:12:583
138491430,0ptp4l401ktimersoftd/323:32:423
10613994338,3cyclictest41-21ksoftirqd/321:40:003
10613994236,3cyclictest41-21ksoftirqd/322:39:593
10613994236,3cyclictest41-21ksoftirqd/300:05:013
50798410,23rtkit-daemon8234-21apt-get00:30:111
138491410,0ptp4l401ktimersoftd/320:58:133
138491410,0ptp4l401ktimersoftd/320:25:483
138491400,0ptp4l401ktimersoftd/320:35:173
50798390,10rtkit-daemon0-21swapper/321:57:003
138491390,15ptp4l401ktimersoftd/321:10:283
10612993929,6cyclictest33-21ksoftirqd/221:00:112
138491380,0ptp4l401ktimersoftd/320:00:173
10612993834,3cyclictest33-21ksoftirqd/221:20:002
10611993831,4cyclictest25-21ksoftirqd/123:25:481
138491370,0ptp4l401ktimersoftd/323:17:553
1061399376,2cyclictest41-21ksoftirqd/322:25:273
10613993730,4cyclictest41-21ksoftirqd/322:48:113
10612993730,5cyclictest33-21ksoftirqd/220:54:452
10610993732,3cyclictest9-21ksoftirqd/021:20:000
10610993730,5cyclictest9-21ksoftirqd/022:39:540
138491360,0ptp4l401ktimersoftd/323:00:253
1061399365,7cyclictest41-21ksoftirqd/322:20:003
10613993632,3cyclictest41-21ksoftirqd/300:00:003
10613993631,3cyclictest41-21ksoftirqd/323:25:193
10613993631,3cyclictest41-21ksoftirqd/319:30:173
10613993631,3cyclictest41-21ksoftirqd/319:15:133
10613993631,3cyclictest327-21cron19:55:013
10613993631,2cyclictest41-21ksoftirqd/300:35:133
10613993630,3cyclictest41-21ksoftirqd/322:05:003
10613993630,3cyclictest41-21ksoftirqd/321:25:283
10613993629,5cyclictest41-21ksoftirqd/319:21:483
10612993632,3cyclictest33-21ksoftirqd/223:15:002
10612993632,3cyclictest33-21ksoftirqd/200:35:012
10612993631,3cyclictest33-21ksoftirqd/220:30:182
10612993631,3cyclictest33-21ksoftirqd/220:30:182
10612993630,4cyclictest33-21ksoftirqd/223:43:232
10612993630,4cyclictest33-21ksoftirqd/223:29:262
10612993630,4cyclictest33-21ksoftirqd/223:00:502
10612993630,4cyclictest33-21ksoftirqd/222:50:352
10612993630,4cyclictest33-21ksoftirqd/219:53:392
10612993630,4cyclictest33-21ksoftirqd/200:00:072
10612993629,4cyclictest33-21ksoftirqd/219:20:022
10612993625,9cyclictest33-21ksoftirqd/200:20:262
10611993630,4cyclictest25-21ksoftirqd/121:00:151
10611993630,4cyclictest25-21ksoftirqd/120:58:451
10611993630,4cyclictest25-21ksoftirqd/119:25:101
138491350,0ptp4l401ktimersoftd/323:54:543
138491350,0ptp4l401ktimersoftd/323:54:543
10613993530,4cyclictest41-21ksoftirqd/300:20:003
10613993530,3cyclictest41-21ksoftirqd/323:50:003
10613993529,4cyclictest41-21ksoftirqd/322:22:583
10613993529,4cyclictest41-21ksoftirqd/322:05:313
10613993529,3cyclictest41-21ksoftirqd/322:45:003
10613993529,3cyclictest41-21ksoftirqd/300:30:003
10613993528,5cyclictest41-21ksoftirqd/322:57:373
10613993528,4cyclictest41-21ksoftirqd/319:25:323
10613993522,11cyclictest41-21ksoftirqd/321:20:003
10612993530,3cyclictest33-21ksoftirqd/220:15:112
10612993530,3cyclictest33-21ksoftirqd/220:11:212
10612993530,3cyclictest33-21ksoftirqd/220:10:012
10612993530,3cyclictest19160-21sed22:40:192
10612993529,4cyclictest33-21ksoftirqd/223:55:382
10612993529,4cyclictest33-21ksoftirqd/219:37:042
10612993529,4cyclictest33-21ksoftirqd/219:37:042
10611993529,4cyclictest25-21ksoftirqd/122:30:361
10611993529,4cyclictest25-21ksoftirqd/100:27:381
10611993529,4cyclictest25-21ksoftirqd/100:19:281
10610993530,3cyclictest9-21ksoftirqd/000:10:320
10610993529,4cyclictest9-21ksoftirqd/022:45:080
10610993529,4cyclictest9-21ksoftirqd/021:53:160
10610993529,4cyclictest9-21ksoftirqd/020:19:540
10613993430,2cyclictest41-21ksoftirqd/323:20:183
10613993430,2cyclictest41-21ksoftirqd/323:20:183
10613993430,2cyclictest41-21ksoftirqd/321:40:263
10613993430,2cyclictest41-21ksoftirqd/319:45:253
10613993429,3cyclictest41-21ksoftirqd/321:35:003
10613993429,3cyclictest41-21ksoftirqd/320:45:183
10613993429,3cyclictest41-21ksoftirqd/300:10:003
10613993428,4cyclictest41-21ksoftirqd/323:35:573
10613993428,4cyclictest41-21ksoftirqd/300:11:043
10612993430,2cyclictest33-21ksoftirqd/221:55:002
10612993429,3cyclictest33-21ksoftirqd/222:34:162
10612993429,3cyclictest33-21ksoftirqd/222:05:192
10612993429,3cyclictest33-21ksoftirqd/221:38:322
10612993429,3cyclictest33-21ksoftirqd/220:48:042
10612993428,4cyclictest33-21ksoftirqd/223:50:372
10612993428,4cyclictest33-21ksoftirqd/223:50:372
10612993428,4cyclictest33-21ksoftirqd/222:45:102
10612993428,4cyclictest33-21ksoftirqd/219:46:052
10612993428,4cyclictest33-21ksoftirqd/219:33:312
10612993428,4cyclictest33-21ksoftirqd/200:18:452
10611993428,4cyclictest25-21ksoftirqd/123:05:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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