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2026-04-16 - 15:06
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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 Thu Apr 16, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491229164,22phc2sys0-21swapper/319:06:493
168072205172,22sleep20-21swapper/219:05:502
168112201168,22sleep10-21swapper/119:05:531
168052201168,22sleep00-21swapper/019:05:480
171362162125,13sleep30-21swapper/319:10:003
57898690,2rtkit-daemon577-21rtkit-daemon22:10:261
139391560,1ptp4l401ktimersoftd/320:05:533
52662520,2sleep0111rcuc/000:20:180
139391510,1ptp4l391rcuc/319:53:453
223622480,1sleep30-21swapper/323:50:123
17430994537,5cyclictest12170-21dump-pmu-power21:15:011
139391440,1ptp4l401ktimersoftd/321:38:043
139391440,0ptp4l401ktimersoftd/320:38:513
17429994135,3cyclictest9-21ksoftirqd/023:45:000
1742999410,38cyclictest15902-21cron22:30:000
139391410,1ptp4l401ktimersoftd/321:56:473
1742999401,37cyclictest11027-21cron20:05:000
139391400,0ptp4l401ktimersoftd/320:03:453
17431993932,5cyclictest33-21ksoftirqd/220:30:012
17430993932,5cyclictest25-21ksoftirqd/121:27:371
17432993833,3cyclictest41-21ksoftirqd/322:25:003
17431993832,4cyclictest33-21ksoftirqd/221:35:012
17430993833,3cyclictest25-21ksoftirqd/122:50:001
17430993833,3cyclictest25-21ksoftirqd/122:02:121
17432993732,3cyclictest41-21ksoftirqd/321:15:013
17430993732,3cyclictest25-21ksoftirqd/100:05:001
17430993731,4cyclictest25-21ksoftirqd/121:01:491
17429993732,3cyclictest9-21ksoftirqd/022:05:010
17429993732,3cyclictest9-21ksoftirqd/019:39:590
17429993730,4cyclictest9-21ksoftirqd/022:10:010
17432993630,4cyclictest41-21ksoftirqd/322:06:223
17431993631,3cyclictest11820-21fschecks_count22:20:142
17431993630,4cyclictest33-21ksoftirqd/223:26:582
17431993630,4cyclictest33-21ksoftirqd/221:56:192
17430993631,3cyclictest25-21ksoftirqd/123:30:011
17430993630,4cyclictest25-21ksoftirqd/122:27:031
17430993630,4cyclictest25-21ksoftirqd/122:23:381
17430993630,4cyclictest25-21ksoftirqd/121:58:501
17430993630,4cyclictest25-21ksoftirqd/120:31:101
17430993630,4cyclictest25-21ksoftirqd/120:23:501
17430993630,4cyclictest25-21ksoftirqd/100:17:071
17432993530,3cyclictest41-21ksoftirqd/322:58:183
17432993529,4cyclictest41-21ksoftirqd/323:00:113
17432993529,4cyclictest41-21ksoftirqd/323:00:113
17432993529,4cyclictest41-21ksoftirqd/319:43:183
17431993530,3cyclictest33-21ksoftirqd/223:13:132
17431993530,3cyclictest33-21ksoftirqd/220:49:002
17431993530,3cyclictest33-21ksoftirqd/200:25:102
17431993529,4cyclictest33-21ksoftirqd/223:49:312
17431993529,4cyclictest33-21ksoftirqd/222:52:592
17431993529,4cyclictest33-21ksoftirqd/222:07:302
17430993531,2cyclictest25-21ksoftirqd/123:00:011
17430993530,3cyclictest25-21ksoftirqd/123:20:121
17430993530,3cyclictest25-21ksoftirqd/122:05:181
17430993530,3cyclictest25-21ksoftirqd/120:20:001
17430993530,3cyclictest25-21ksoftirqd/120:19:591
17430993530,3cyclictest25-21ksoftirqd/119:30:151
17430993529,4cyclictest25-21ksoftirqd/123:16:241
17430993529,4cyclictest25-21ksoftirqd/122:33:001
17430993529,4cyclictest25-21ksoftirqd/122:33:001
17430993529,4cyclictest25-21ksoftirqd/121:53:581
17430993529,4cyclictest25-21ksoftirqd/121:07:441
17429993530,3cyclictest9-21ksoftirqd/021:45:000
17429993529,4cyclictest9-21ksoftirqd/020:05:530
17429993529,4cyclictest9-21ksoftirqd/019:18:160
17429993529,3cyclictest9-21ksoftirqd/020:00:010
57898340,8rtkit-daemon0-21swapper/119:27:341
17432993428,4cyclictest41-21ksoftirqd/323:41:433
17432993428,4cyclictest41-21ksoftirqd/323:36:333
17432993428,4cyclictest41-21ksoftirqd/323:29:113
17432993428,4cyclictest41-21ksoftirqd/323:10:333
17431993429,3cyclictest33-21ksoftirqd/223:50:572
17431993428,4cyclictest33-21ksoftirqd/220:11:362
17430993429,3cyclictest25-21ksoftirqd/100:13:341
17430993428,4cyclictest25-21ksoftirqd/123:56:161
17430993428,4cyclictest25-21ksoftirqd/123:45:451
17430993428,4cyclictest25-21ksoftirqd/122:38:171
17430993428,4cyclictest25-21ksoftirqd/119:54:421
17429993429,3cyclictest9-21ksoftirqd/021:25:000
17429993429,3cyclictest9-21ksoftirqd/020:40:000
17429993429,3cyclictest9-21ksoftirqd/000:35:190
17429993428,4cyclictest9-21ksoftirqd/022:21:320
17429993428,4cyclictest9-21ksoftirqd/022:16:220
17429993428,4cyclictest9-21ksoftirqd/019:30:000
17429993428,3cyclictest9-21ksoftirqd/020:50:050
139391340,0ptp4l401ktimersoftd/300:05:123
17432993328,3cyclictest41-21ksoftirqd/322:13:573
17432993327,4cyclictest41-21ksoftirqd/323:33:443
17432993327,4cyclictest41-21ksoftirqd/323:33:443
17432993327,4cyclictest41-21ksoftirqd/300:38:263
17431993328,3cyclictest33-21ksoftirqd/221:16:592
17431993328,3cyclictest33-21ksoftirqd/200:36:152
17431993328,3cyclictest33-21ksoftirqd/200:14:582
17431993327,4cyclictest33-21ksoftirqd/223:35:352
17431993327,4cyclictest33-21ksoftirqd/223:22:232
17431993327,4cyclictest33-21ksoftirqd/221:41:302
17431993327,4cyclictest33-21ksoftirqd/220:18:552
17431993327,4cyclictest33-21ksoftirqd/220:18:552
17430993329,2cyclictest25-21ksoftirqd/123:05:181
17430993329,2cyclictest25-21ksoftirqd/120:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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