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2026-09-08 - 08:40
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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 Sep 08, 2026 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
265202224196,19sleep20-21swapper/219:07:582
139491206172,22phc2sys0-21swapper/319:08:393
266072205172,22sleep10-21swapper/119:09:071
265232205171,23sleep00-21swapper/019:08:000
291892620,2sleep10-21swapper/120:20:141
139391550,3ptp4l401ktimersoftd/300:03:153
139391540,1ptp4l401ktimersoftd/320:59:123
139391530,39ptp4l0-21swapper/319:10:003
26973994741,3cyclictest11362-21grep20:50:143
139391440,0ptp4l401ktimersoftd/323:26:593
139391440,0ptp4l401ktimersoftd/322:50:133
2697299430,40cyclictest3599-21ls20:35:002
139391420,4ptp4l401ktimersoftd/300:39:403
139391420,0ptp4l401ktimersoftd/319:50:213
139391410,1ptp4l401ktimersoftd/321:46:113
139391410,0ptp4l401ktimersoftd/323:40:213
26970993933,3cyclictest9-21ksoftirqd/020:40:000
26970993933,3cyclictest9-21ksoftirqd/020:40:000
26971993833,3cyclictest3681-21uname23:55:191
26971993732,3cyclictest25-21ksoftirqd/122:35:001
26971993732,3cyclictest25-21ksoftirqd/120:40:001
26971993732,3cyclictest25-21ksoftirqd/120:40:001
26971993732,3cyclictest25-21ksoftirqd/119:19:591
26971993731,4cyclictest25-21ksoftirqd/120:08:101
26971993729,6cyclictest25-21ksoftirqd/122:30:001
26973993631,3cyclictest41-21ksoftirqd/323:15:123
26973993630,4cyclictest41-21ksoftirqd/322:01:253
26973993630,4cyclictest41-21ksoftirqd/321:07:183
26972993630,4cyclictest33-21ksoftirqd/221:58:072
26972993630,4cyclictest33-21ksoftirqd/200:09:582
26971993631,3cyclictest25-21ksoftirqd/123:36:581
26971993631,3cyclictest25-21ksoftirqd/122:15:111
26971993630,4cyclictest25-21ksoftirqd/123:11:361
26971993630,4cyclictest25-21ksoftirqd/122:54:271
26971993630,4cyclictest25-21ksoftirqd/121:53:091
26971993630,4cyclictest25-21ksoftirqd/120:47:581
26971993630,4cyclictest25-21ksoftirqd/119:20:281
26973993529,4cyclictest41-21ksoftirqd/322:13:133
26973993529,4cyclictest41-21ksoftirqd/321:20:413
26973993529,4cyclictest41-21ksoftirqd/320:28:383
26973993529,4cyclictest41-21ksoftirqd/319:37:393
26973993528,5cyclictest41-21ksoftirqd/320:35:003
26972993531,2cyclictest33-21ksoftirqd/220:20:022
26972993530,3cyclictest33-21ksoftirqd/200:25:592
26972993529,4cyclictest33-21ksoftirqd/220:03:422
26971993530,2cyclictest25-21ksoftirqd/100:35:001
26971993530,2cyclictest25-21ksoftirqd/100:34:591
26971993529,4cyclictest25-21ksoftirqd/122:22:381
26971993529,4cyclictest25-21ksoftirqd/121:41:301
26971993529,3cyclictest25-21ksoftirqd/120:25:181
26970993531,3cyclictest9-21ksoftirqd/019:40:010
26970993529,4cyclictest9-21ksoftirqd/023:53:390
26970993529,4cyclictest9-21ksoftirqd/022:43:590
26970993529,4cyclictest9-21ksoftirqd/022:10:570
26970993529,4cyclictest9-21ksoftirqd/020:56:520
26970993529,4cyclictest9-21ksoftirqd/019:59:510
26970993528,5cyclictest9-21ksoftirqd/020:43:440
57898340,2rtkit-daemon577-21rtkit-daemon22:59:051
26973993429,3cyclictest41-21ksoftirqd/319:48:553
26973993428,4cyclictest41-21ksoftirqd/323:12:183
26973993428,4cyclictest41-21ksoftirqd/321:52:433
26973993428,4cyclictest41-21ksoftirqd/300:24:433
26972993428,4cyclictest33-21ksoftirqd/222:12:022
26972993428,4cyclictest33-21ksoftirqd/221:47:242
26972993428,4cyclictest33-21ksoftirqd/220:06:152
26972993427,5cyclictest33-21ksoftirqd/221:37:532
26972993426,5cyclictest33-21ksoftirqd/220:40:132
26971993429,3cyclictest25-21ksoftirqd/122:40:591
26971993429,3cyclictest25-21ksoftirqd/120:20:011
26971993428,4cyclictest25-21ksoftirqd/123:19:261
26971993428,4cyclictest25-21ksoftirqd/123:06:061
26971993428,4cyclictest25-21ksoftirqd/122:45:361
26971993428,4cyclictest25-21ksoftirqd/121:18:031
26971993428,4cyclictest25-21ksoftirqd/120:53:401
26971993428,4cyclictest25-21ksoftirqd/100:39:081
26970993429,3cyclictest9-21ksoftirqd/020:02:310
26970993428,4cyclictest9-21ksoftirqd/023:23:340
26970993428,4cyclictest9-21ksoftirqd/023:04:240
26970993428,4cyclictest9-21ksoftirqd/021:29:050
26970993428,4cyclictest9-21ksoftirqd/021:21:030
26970993428,4cyclictest9-21ksoftirqd/020:17:370
26970993428,4cyclictest9-21ksoftirqd/019:25:330
26970993428,4cyclictest9-21ksoftirqd/000:12:480
26973993328,3cyclictest41-21ksoftirqd/319:40:353
26973993327,4cyclictest41-21ksoftirqd/323:52:223
26973993327,4cyclictest41-21ksoftirqd/323:38:093
26973993327,4cyclictest41-21ksoftirqd/321:13:033
26973993327,4cyclictest41-21ksoftirqd/320:35:043
26973993327,4cyclictest41-21ksoftirqd/320:35:043
26973993327,4cyclictest41-21ksoftirqd/320:10:003
26972993328,3cyclictest33-21ksoftirqd/222:38:382
26972993328,3cyclictest33-21ksoftirqd/221:53:162
26972993328,3cyclictest33-21ksoftirqd/220:55:102
26972993327,4cyclictest33-21ksoftirqd/223:51:202
26972993327,4cyclictest33-21ksoftirqd/223:40:132
26972993327,4cyclictest33-21ksoftirqd/221:04:202
26972993327,4cyclictest33-21ksoftirqd/220:51:322
26972993327,4cyclictest33-21ksoftirqd/220:45:062
26972993327,4cyclictest33-21ksoftirqd/200:16:072
26971993328,3cyclictest25-21ksoftirqd/121:04:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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