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2026-05-04 - 03:39
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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 May 04, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
133952206173,22sleep30-21swapper/319:09:343
133952206173,22sleep30-21swapper/319:09:343
133322203169,23sleep20-21swapper/219:08:462
133322203169,23sleep20-21swapper/219:08:462
133002202168,22sleep00-21swapper/019:08:190
133002202168,22sleep00-21swapper/019:08:190
132742202170,20sleep10-21swapper/119:07:591
132742202170,20sleep10-21swapper/119:07:591
139391540,1ptp4l401ktimersoftd/323:16:033
1394915336,10phc2sys0-21swapper/319:10:003
65532500,2sleep30-21swapper/323:25:153
89792470,3sleep28982-21idleruntime23:30:162
13724994627,8cyclictest41-21ksoftirqd/320:00:163
139391430,0ptp4l401ktimersoftd/321:29:513
139391430,0ptp4l401ktimersoftd/319:19:173
13721994327,5cyclictest9-21ksoftirqd/020:50:190
139391420,0ptp4l401ktimersoftd/322:03:133
139391420,0ptp4l401ktimersoftd/320:30:053
139391420,0ptp4l401ktimersoftd/300:22:163
139391410,0ptp4l401ktimersoftd/322:00:003
139391400,0ptp4l401ktimersoftd/321:45:133
13723994019,19cyclictest33-21ksoftirqd/221:50:002
13721994034,4cyclictest8468-21sh21:15:000
13723993833,3cyclictest22944-21sh21:45:002
13722993830,5cyclictest25-21ksoftirqd/100:30:001
139391370,0ptp4l401ktimersoftd/322:16:563
139391370,0ptp4l401ktimersoftd/300:25:273
13722993732,2cyclictest17039-21sh20:24:591
13724993630,4cyclictest41-21ksoftirqd/319:48:133
13724993629,4cyclictest41-21ksoftirqd/321:45:003
1372399364,3cyclictest121rcu_preempt20:00:162
13723993630,4cyclictest33-21ksoftirqd/223:07:162
13723993630,4cyclictest33-21ksoftirqd/221:20:342
13723993630,4cyclictest33-21ksoftirqd/200:31:292
13723993630,4cyclictest33-21ksoftirqd/200:31:292
13722993631,3cyclictest25-21ksoftirqd/119:50:121
13722993630,4cyclictest25-21ksoftirqd/123:12:461
13721993631,3cyclictest9-21ksoftirqd/022:03:590
13721993630,4cyclictest9-21ksoftirqd/023:30:010
13721993630,4cyclictest9-21ksoftirqd/000:19:240
13724993529,4cyclictest41-21ksoftirqd/323:55:113
13724993529,4cyclictest41-21ksoftirqd/320:48:263
13724993529,4cyclictest41-21ksoftirqd/320:18:333
13724993529,4cyclictest41-21ksoftirqd/319:55:463
13723993530,3cyclictest33-21ksoftirqd/220:42:592
13723993530,3cyclictest33-21ksoftirqd/200:30:002
13723993529,4cyclictest33-21ksoftirqd/222:28:382
13723993529,4cyclictest33-21ksoftirqd/220:32:212
13723993529,4cyclictest33-21ksoftirqd/220:15:592
13723993529,4cyclictest33-21ksoftirqd/219:56:182
13723993529,4cyclictest33-21ksoftirqd/219:48:432
13723993529,4cyclictest33-21ksoftirqd/219:15:472
13723993528,5cyclictest33-21ksoftirqd/223:50:002
13723993521,5cyclictest33-21ksoftirqd/220:39:112
13722993530,3cyclictest25-21ksoftirqd/121:57:181
13722993530,3cyclictest25-21ksoftirqd/119:15:111
13722993529,4cyclictest25-21ksoftirqd/122:11:481
13722993529,4cyclictest25-21ksoftirqd/120:47:481
13722993529,4cyclictest25-21ksoftirqd/100:06:051
13722993528,4cyclictest25-21ksoftirqd/100:22:451
13722993527,5cyclictest25-21ksoftirqd/119:50:011
13721993529,4cyclictest9-21ksoftirqd/021:20:280
13721993529,4cyclictest9-21ksoftirqd/020:32:140
13721993529,4cyclictest9-21ksoftirqd/019:14:240
13721993520,5cyclictest9-21ksoftirqd/000:02:190
13724993429,3cyclictest41-21ksoftirqd/323:14:203
13724993428,4cyclictest41-21ksoftirqd/323:04:413
13724993428,4cyclictest41-21ksoftirqd/321:53:533
13723993429,3cyclictest33-21ksoftirqd/223:30:002
13723993428,4cyclictest33-21ksoftirqd/222:46:552
13723993428,4cyclictest33-21ksoftirqd/221:08:472
13723993428,4cyclictest33-21ksoftirqd/220:21:372
13722993429,3cyclictest25-21ksoftirqd/122:25:101
13722993428,4cyclictest25-21ksoftirqd/123:43:021
13722993428,4cyclictest25-21ksoftirqd/123:02:231
13722993428,4cyclictest25-21ksoftirqd/121:42:131
13722993428,4cyclictest25-21ksoftirqd/121:04:121
13722993428,4cyclictest25-21ksoftirqd/120:18:231
13722993428,4cyclictest25-21ksoftirqd/120:00:021
13722993428,4cyclictest25-21ksoftirqd/119:29:131
13722993428,3cyclictest25-21ksoftirqd/100:30:111
13722993428,3cyclictest25-21ksoftirqd/100:30:111
13721993429,3cyclictest9-21ksoftirqd/022:15:000
13721993428,4cyclictest9-21ksoftirqd/020:36:520
13721993428,4cyclictest9-21ksoftirqd/019:26:240
13721993428,4cyclictest9-21ksoftirqd/019:16:290
13721993428,4cyclictest9-21ksoftirqd/000:09:010
13724993328,3cyclictest41-21ksoftirqd/323:23:473
13724993328,3cyclictest41-21ksoftirqd/319:21:083
13724993328,3cyclictest41-21ksoftirqd/300:08:433
13724993327,4cyclictest41-21ksoftirqd/323:37:273
13724993327,4cyclictest41-21ksoftirqd/322:25:543
13724993327,4cyclictest41-21ksoftirqd/322:12:103
13724993327,4cyclictest41-21ksoftirqd/300:31:343
13724993327,4cyclictest41-21ksoftirqd/300:31:343
13723993328,3cyclictest33-21ksoftirqd/223:04:102
13723993327,4cyclictest33-21ksoftirqd/223:12:542
13723993327,4cyclictest33-21ksoftirqd/220:51:342
13723993327,4cyclictest33-21ksoftirqd/220:46:522
13723993327,4cyclictest33-21ksoftirqd/219:29:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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