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2026-08-20 - 22:19
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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 Aug 20, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
324212207175,21sleep10-21swapper/107:06:431
324702205172,22sleep00-21swapper/007:07:220
139491205172,22phc2sys0-21swapper/307:09:573
305452203170,22sleep20-21swapper/207:05:032
88032680,2sleep10-21swapper/110:45:271
80782550,1sleep10-21swapper/111:50:251
247792530,2sleep30-21swapper/312:25:253
139391450,0ptp4l401ktimersoftd/307:56:363
519994438,4cyclictest13720-21latency_hist08:45:013
51699432,39cyclictest5133-21cron09:35:000
139391430,0ptp4l401ktimersoftd/307:11:363
517994136,3cyclictest25-21ksoftirqd/109:50:001
519993933,4cyclictest31878-21cron10:29:593
518993934,3cyclictest33-21ksoftirqd/207:25:002
517993935,2cyclictest25-21ksoftirqd/110:00:011
517993934,3cyclictest25-21ksoftirqd/110:55:121
517993928,9cyclictest25-21ksoftirqd/111:40:181
517993833,3cyclictest25-21ksoftirqd/111:15:121
517993833,3cyclictest25-21ksoftirqd/110:50:191
517993833,3cyclictest25-21ksoftirqd/110:50:191
519993730,4cyclictest41-21ksoftirqd/309:48:593
519993730,4cyclictest41-21ksoftirqd/307:35:573
518993732,3cyclictest33-21ksoftirqd/209:15:102
517993733,2cyclictest25-21ksoftirqd/112:39:591
517993732,3cyclictest25-21ksoftirqd/109:10:111
517993732,3cyclictest25-21ksoftirqd/107:50:161
516993732,3cyclictest9-21ksoftirqd/011:25:000
57898360,2rtkit-daemon0-21swapper/307:28:313
519993630,4cyclictest41-21ksoftirqd/311:15:563
519993630,4cyclictest41-21ksoftirqd/310:47:293
519993629,4cyclictest41-21ksoftirqd/308:21:583
518993630,3cyclictest33-21ksoftirqd/207:15:002
517993632,2cyclictest25-21ksoftirqd/111:15:001
517993630,4cyclictest25-21ksoftirqd/108:24:331
516993629,5cyclictest9-21ksoftirqd/012:38:140
57898350,2rtkit-daemon0-21swapper/308:00:393
519993529,4cyclictest41-21ksoftirqd/312:17:563
519993529,4cyclictest41-21ksoftirqd/311:07:313
519993511,21cyclictest7690-21date09:40:003
518993530,3cyclictest33-21ksoftirqd/208:23:022
518993529,4cyclictest33-21ksoftirqd/211:28:042
518993529,4cyclictest33-21ksoftirqd/210:18:402
518993529,4cyclictest33-21ksoftirqd/210:18:392
518993529,4cyclictest33-21ksoftirqd/208:59:492
518993529,4cyclictest33-21ksoftirqd/207:41:102
518993529,4cyclictest33-21ksoftirqd/207:36:242
517993530,3cyclictest25-21ksoftirqd/110:35:001
517993530,3cyclictest25-21ksoftirqd/110:05:121
517993530,3cyclictest25-21ksoftirqd/109:55:011
517993529,4cyclictest25-21ksoftirqd/111:01:511
517993529,4cyclictest25-21ksoftirqd/110:04:341
517993529,4cyclictest25-21ksoftirqd/109:24:111
516993529,4cyclictest9-21ksoftirqd/012:31:530
516993529,4cyclictest9-21ksoftirqd/008:38:530
516993529,4cyclictest9-21ksoftirqd/007:19:170
519993429,3cyclictest41-21ksoftirqd/310:50:183
519993429,3cyclictest41-21ksoftirqd/310:50:183
519993429,3cyclictest41-21ksoftirqd/308:49:583
519993428,4cyclictest41-21ksoftirqd/311:13:443
519993428,4cyclictest41-21ksoftirqd/309:58:313
519993428,4cyclictest41-21ksoftirqd/309:06:563
519993428,4cyclictest41-21ksoftirqd/309:04:193
518993429,3cyclictest26997-21cron08:05:002
518993428,4cyclictest33-21ksoftirqd/210:40:422
518993428,4cyclictest33-21ksoftirqd/207:16:592
518993427,4cyclictest33-21ksoftirqd/208:42:592
517993430,3cyclictest25-21ksoftirqd/107:45:171
517993429,3cyclictest25-21ksoftirqd/112:35:001
517993429,3cyclictest25-21ksoftirqd/110:25:011
517993429,3cyclictest25-21ksoftirqd/109:40:191
517993429,3cyclictest25-21ksoftirqd/108:45:161
517993428,4cyclictest25-21ksoftirqd/112:29:041
517993428,4cyclictest25-21ksoftirqd/110:40:531
517993428,4cyclictest25-21ksoftirqd/109:39:031
517993428,4cyclictest25-21ksoftirqd/108:08:451
517993428,4cyclictest25-21ksoftirqd/107:12:161
516993429,3cyclictest9-21ksoftirqd/009:25:110
516993428,4cyclictest9-21ksoftirqd/011:46:110
516993428,4cyclictest9-21ksoftirqd/008:41:570
516993428,4cyclictest9-21ksoftirqd/007:11:070
139391340,25ptp4l401ktimersoftd/309:25:153
57898330,10rtkit-daemon1453-21gpm10:29:061
519993328,3cyclictest41-21ksoftirqd/311:28:253
519993328,3cyclictest41-21ksoftirqd/310:18:093
519993328,3cyclictest41-21ksoftirqd/310:18:093
519993328,3cyclictest41-21ksoftirqd/309:14:103
519993327,4cyclictest41-21ksoftirqd/311:59:093
519993327,4cyclictest41-21ksoftirqd/310:44:003
519993327,4cyclictest41-21ksoftirqd/309:51:413
519993327,4cyclictest41-21ksoftirqd/308:29:583
519993327,4cyclictest41-21ksoftirqd/307:31:083
519993311,20cyclictest18686-21cut10:00:233
518993328,3cyclictest33-21ksoftirqd/211:54:362
518993328,3cyclictest33-21ksoftirqd/210:38:382
518993327,4cyclictest33-21ksoftirqd/212:22:202
518993327,4cyclictest33-21ksoftirqd/211:59:252
518993327,4cyclictest33-21ksoftirqd/210:46:192
518993326,5cyclictest33-21ksoftirqd/211:13:222
517993329,2cyclictest25-21ksoftirqd/108:15:181
517993328,3cyclictest25-21ksoftirqd/112:20:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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