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2026-06-29 - 03:29
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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 Mon Jun 29, 2026 00:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
116142247202,35sleep20-21swapper/219:09:592
139491231165,22phc2sys0-21swapper/319:08:013
116132206172,22sleep10-21swapper/119:09:571
116062206173,22sleep00-21swapper/019:09:530
139391590,1ptp4l7030-21irqstats22:20:193
139391580,1ptp4l401ktimersoftd/323:00:123
139391520,38ptp4l0-21swapper/319:10:003
71952510,2sleep00-21swapper/021:15:000
139391500,1ptp4l401ktimersoftd/323:25:503
50742470,4sleep35079-21cpuspeed_turbos21:10:133
11908994527,15cyclictest9-21ksoftirqd/021:15:120
139391440,0ptp4l401ktimersoftd/320:45:183
139391430,0ptp4l401ktimersoftd/320:15:323
139391430,0ptp4l401ktimersoftd/300:38:273
11910994337,3cyclictest26325-21cron21:55:002
1191099430,41cyclictest0-21swapper/222:50:232
1191099430,1cyclictest0-21swapper/223:35:232
139391420,0ptp4l401ktimersoftd/323:45:133
139391420,0ptp4l401ktimersoftd/319:27:053
57898410,8rtkit-daemon0-21swapper/019:41:230
139391410,0ptp4l401ktimersoftd/320:25:263
11911994136,3cyclictest1026-21cron22:10:003
11911993935,2cyclictest41-21ksoftirqd/319:39:593
11911993933,3cyclictest41-21ksoftirqd/321:10:013
11910993921,16cyclictest26471-21cron00:10:012
11911993834,2cyclictest41-21ksoftirqd/321:30:013
11911993834,2cyclictest41-21ksoftirqd/321:30:003
11911993834,2cyclictest41-21ksoftirqd/319:20:013
11910993833,3cyclictest33-21ksoftirqd/219:10:142
11908993831,4cyclictest9-21ksoftirqd/022:20:110
57898370,5rtkit-daemon0-21swapper/019:51:140
139391370,0ptp4l401ktimersoftd/323:09:483
11911993732,3cyclictest41-21ksoftirqd/323:40:003
1191199371,33cyclictest22398-21systemctl20:40:013
11910993732,3cyclictest33-21ksoftirqd/220:35:102
11909993731,3cyclictest25-21ksoftirqd/100:25:131
11909993731,3cyclictest25-21ksoftirqd/100:25:131
11909993730,5cyclictest25-21ksoftirqd/119:22:291
11909993730,4cyclictest25-21ksoftirqd/121:51:311
11909993729,4cyclictest25-21ksoftirqd/119:15:101
11911993632,2cyclictest41-21ksoftirqd/321:55:013
11911993631,3cyclictest41-21ksoftirqd/321:35:003
11911993631,3cyclictest41-21ksoftirqd/320:40:503
11910993630,4cyclictest33-21ksoftirqd/220:53:242
11910993630,4cyclictest33-21ksoftirqd/219:57:312
11910993630,4cyclictest33-21ksoftirqd/219:57:312
11909993630,4cyclictest25-21ksoftirqd/123:17:281
11909993630,4cyclictest25-21ksoftirqd/121:02:051
11909993630,4cyclictest25-21ksoftirqd/120:41:481
11909993630,3cyclictest23906-21sh00:05:001
57898350,2rtkit-daemon0-21swapper/021:05:210
11911993531,2cyclictest41-21ksoftirqd/323:15:283
11911993531,2cyclictest41-21ksoftirqd/323:00:003
11911993531,2cyclictest41-21ksoftirqd/320:10:153
11911993530,2cyclictest41-21ksoftirqd/300:15:143
11911993529,4cyclictest41-21ksoftirqd/323:59:383
11911993529,4cyclictest41-21ksoftirqd/320:30:383
11911993529,4cyclictest41-21ksoftirqd/300:06:533
11910993529,4cyclictest33-21ksoftirqd/223:56:042
11910993529,4cyclictest33-21ksoftirqd/223:43:572
11910993529,4cyclictest33-21ksoftirqd/223:12:042
11910993528,5cyclictest33-21ksoftirqd/221:29:462
11910993528,5cyclictest33-21ksoftirqd/221:29:462
11910993528,4cyclictest33-21ksoftirqd/221:35:122
11909993529,4cyclictest25-21ksoftirqd/123:29:361
11909993529,4cyclictest25-21ksoftirqd/123:13:111
11909993529,4cyclictest25-21ksoftirqd/122:39:091
11909993529,4cyclictest25-21ksoftirqd/121:13:001
11909993529,3cyclictest25-21ksoftirqd/121:25:211
11909993529,3cyclictest25-21ksoftirqd/121:25:201
11909993528,5cyclictest25-21ksoftirqd/121:49:231
11908993529,4cyclictest9-21ksoftirqd/022:54:530
11908993529,4cyclictest9-21ksoftirqd/020:24:050
11908993529,4cyclictest9-21ksoftirqd/020:19:240
11911993431,2cyclictest41-21ksoftirqd/319:55:193
11911993431,2cyclictest41-21ksoftirqd/319:55:183
11911993429,3cyclictest41-21ksoftirqd/322:45:193
11911993429,3cyclictest41-21ksoftirqd/322:00:153
11911993429,3cyclictest41-21ksoftirqd/321:45:003
11911993429,3cyclictest41-21ksoftirqd/321:36:253
11911993429,3cyclictest41-21ksoftirqd/321:17:393
11911993429,3cyclictest41-21ksoftirqd/321:05:013
11911993429,3cyclictest41-21ksoftirqd/319:40:263
11911993429,3cyclictest41-21ksoftirqd/300:30:193
11911993429,3cyclictest41-21ksoftirqd/300:20:123
11911993428,4cyclictest41-21ksoftirqd/322:35:153
11910993429,3cyclictest7065-21cron21:14:592
11910993429,3cyclictest33-21ksoftirqd/223:25:122
11910993429,3cyclictest33-21ksoftirqd/219:45:492
11910993429,3cyclictest33-21ksoftirqd/219:20:112
11910993428,4cyclictest33-21ksoftirqd/222:47:122
11910993428,4cyclictest33-21ksoftirqd/222:37:012
11910993428,4cyclictest33-21ksoftirqd/221:16:352
11910993428,4cyclictest33-21ksoftirqd/221:01:382
11910993428,4cyclictest33-21ksoftirqd/219:42:162
11910993428,4cyclictest33-21ksoftirqd/219:34:572
11909993428,4cyclictest25-21ksoftirqd/122:53:091
11909993428,4cyclictest25-21ksoftirqd/122:33:351
11909993428,4cyclictest25-21ksoftirqd/122:33:351
11909993428,4cyclictest25-21ksoftirqd/122:17:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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