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2026-09-03 - 15:21
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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 Sep 03, 2026 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
160482234168,22sleep20-21swapper/219:09:222
139491232165,22phc2sys0-21swapper/319:05:443
160422204170,22sleep10-21swapper/119:09:171
159592201168,22sleep00-21swapper/019:08:120
1654099701,67cyclictest22615-21kworker/2:122:25:332
139391630,7ptp4l401ktimersoftd/319:19:283
139391610,2ptp4l401ktimersoftd/321:25:013
1654099570,55cyclictest22615-21kworker/2:119:55:052
139391560,1ptp4l401ktimersoftd/320:45:183
16540995412,13cyclictest22194-21kworker/2:022:50:032
1653999538,43cyclictest0-21swapper/100:30:531
11982500,1sleep10-21swapper/119:45:151
139391470,1ptp4l401ktimersoftd/322:25:473
16539994630,13cyclictest25-21ksoftirqd/121:43:591
1653999460,44cyclictest0-21swapper/122:52:431
139391460,0ptp4l401ktimersoftd/320:32:493
1653999442,41cyclictest0-21swapper/119:24:131
1653999440,42cyclictest0-21swapper/120:00:231
16538994438,3cyclictest9408-21sh21:10:000
16538994438,3cyclictest9408-21sh21:10:000
1653999433,39cyclictest0-21swapper/122:25:521
139391430,0ptp4l401ktimersoftd/322:30:223
139391420,0ptp4l401ktimersoftd/321:38:183
139391410,0ptp4l401ktimersoftd/319:50:163
1654099400,39cyclictest0-21swapper/222:58:022
139391400,2ptp4l0-21swapper/323:12:373
139391400,0ptp4l401ktimersoftd/322:44:143
139391400,0ptp4l401ktimersoftd/319:29:103
1654199391,2cyclictest0-21swapper/300:27:533
1653999390,38cyclictest0-21swapper/122:55:431
16538993833,3cyclictest23637-21cron21:40:000
16541993732,3cyclictest41-21ksoftirqd/300:04:593
16538993732,3cyclictest9-21ksoftirqd/020:20:000
16538993731,4cyclictest9-21ksoftirqd/022:44:260
16540993630,4cyclictest33-21ksoftirqd/220:48:262
16539993631,3cyclictest25-21ksoftirqd/120:15:101
16539993630,4cyclictest25-21ksoftirqd/122:15:071
16539993615,20cyclictest0-21swapper/119:26:041
139391360,0ptp4l401ktimersoftd/323:01:313
134391360,1getstats0-21swapper/300:20:073
16541993530,3cyclictest41-21ksoftirqd/323:45:243
16541993529,4cyclictest41-21ksoftirqd/321:41:073
16541993529,4cyclictest41-21ksoftirqd/321:00:313
16541993529,4cyclictest41-21ksoftirqd/319:37:073
16540993529,4cyclictest33-21ksoftirqd/221:26:582
16540993529,4cyclictest33-21ksoftirqd/220:20:582
16540993529,4cyclictest33-21ksoftirqd/219:28:392
16540993529,4cyclictest33-21ksoftirqd/219:22:092
16540993529,4cyclictest33-21ksoftirqd/219:12:262
1654099350,2cyclictest22615-21kworker/2:122:20:332
16539993529,4cyclictest25-21ksoftirqd/122:22:121
16539993529,4cyclictest25-21ksoftirqd/121:31:221
16539993529,4cyclictest25-21ksoftirqd/120:54:311
16539993529,4cyclictest25-21ksoftirqd/119:37:141
16538993530,3cyclictest9-21ksoftirqd/000:10:010
16538993529,4cyclictest9-21ksoftirqd/020:31:480
16541993428,4cyclictest41-21ksoftirqd/319:11:433
16540993429,3cyclictest33-21ksoftirqd/219:40:002
16540993428,4cyclictest33-21ksoftirqd/222:01:362
16540993428,4cyclictest33-21ksoftirqd/221:03:152
16540993428,4cyclictest33-21ksoftirqd/220:27:482
16540993428,4cyclictest33-21ksoftirqd/219:54:482
16540993428,4cyclictest33-21ksoftirqd/219:17:442
16540993428,4cyclictest33-21ksoftirqd/200:17:472
16539993428,4cyclictest25-21ksoftirqd/122:39:381
16539993428,4cyclictest25-21ksoftirqd/121:53:361
16539993428,4cyclictest25-21ksoftirqd/121:37:001
16539993428,4cyclictest25-21ksoftirqd/119:43:311
16539993428,4cyclictest25-21ksoftirqd/119:13:101
16539993428,4cyclictest25-21ksoftirqd/100:14:521
16539993427,5cyclictest25-21ksoftirqd/121:11:561
16539993410,4cyclictest19175-21expr19:15:121
1653999340,32cyclictest0-21swapper/120:12:231
16538993428,4cyclictest9-21ksoftirqd/000:31:580
16541993328,3cyclictest41-21ksoftirqd/320:41:373
16541993328,3cyclictest41-21ksoftirqd/320:25:003
16541993327,4cyclictest41-21ksoftirqd/323:58:423
16541993327,4cyclictest41-21ksoftirqd/323:21:433
16541993327,4cyclictest41-21ksoftirqd/321:09:223
16541993327,4cyclictest41-21ksoftirqd/321:09:223
16541993327,4cyclictest41-21ksoftirqd/320:37:533
16540993328,3cyclictest33-21ksoftirqd/223:04:282
16540993328,3cyclictest33-21ksoftirqd/221:37:372
16540993328,3cyclictest33-21ksoftirqd/221:30:332
16540993327,4cyclictest33-21ksoftirqd/222:30:322
16540993327,4cyclictest33-21ksoftirqd/221:19:352
16540993327,4cyclictest33-21ksoftirqd/219:47:132
16540993327,3cyclictest33-21ksoftirqd/223:26:182
16539993328,3cyclictest25-21ksoftirqd/120:47:451
16539993328,3cyclictest25-21ksoftirqd/120:40:341
16539993327,4cyclictest25-21ksoftirqd/123:36:301
16539993327,4cyclictest25-21ksoftirqd/122:46:361
16539993327,4cyclictest25-21ksoftirqd/122:30:551
16539993327,4cyclictest25-21ksoftirqd/120:59:131
16539993327,4cyclictest25-21ksoftirqd/100:35:361
16539993311,4cyclictest24129-21sed23:55:151
16538993328,3cyclictest9-21ksoftirqd/000:17:410
16538993327,4cyclictest9-21ksoftirqd/023:55:350
16538993327,4cyclictest9-21ksoftirqd/023:49:320
16538993327,4cyclictest9-21ksoftirqd/022:51:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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