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2026-09-14 - 22:06
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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 Sep 14, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142412207174,21sleep30-21swapper/307:07:223
143282204170,23sleep20-21swapper/207:08:292
142442203170,22sleep10-21swapper/107:07:241
141932202168,23sleep00-21swapper/007:06:420
14750997715,60cyclictest0-21swapper/110:05:531
14751997112,57cyclictest26857-21kworker/2:210:05:132
134391620,7getstats1475299cyclictest07:14:123
139391610,1ptp4l401ktimersoftd/311:40:283
14751996029,11cyclictest33-21ksoftirqd/207:15:002
14751996026,5cyclictest33-21ksoftirqd/208:55:142
14751996022,6cyclictest33-21ksoftirqd/207:15:132
14751995926,5cyclictest33-21ksoftirqd/211:25:222
14751995827,9cyclictest33-21ksoftirqd/212:35:142
14751995827,6cyclictest33-21ksoftirqd/212:25:142
14751995827,6cyclictest33-21ksoftirqd/208:25:172
14751995826,5cyclictest33-21ksoftirqd/209:45:002
14751995825,6cyclictest33-21ksoftirqd/211:05:202
14751995823,6cyclictest33-21ksoftirqd/212:00:002
14751995823,6cyclictest33-21ksoftirqd/209:00:272
14751995821,5cyclictest33-21ksoftirqd/210:50:262
14751995727,5cyclictest33-21ksoftirqd/209:10:152
14751995726,8cyclictest33-21ksoftirqd/207:30:242
14751995726,10cyclictest33-21ksoftirqd/207:55:132
14751995724,6cyclictest33-21ksoftirqd/212:15:142
14751995724,5cyclictest33-21ksoftirqd/211:10:242
14751995724,5cyclictest33-21ksoftirqd/210:45:252
134391570,7getstats1475299cyclictest11:00:003
14751995626,6cyclictest33-21ksoftirqd/208:15:012
14751995625,8cyclictest33-21ksoftirqd/208:35:152
14751995623,10cyclictest33-21ksoftirqd/212:30:262
14751995527,9cyclictest33-21ksoftirqd/211:30:142
14751995525,5cyclictest33-21ksoftirqd/211:15:172
14751995524,6cyclictest33-21ksoftirqd/212:10:232
14751995524,6cyclictest33-21ksoftirqd/208:30:262
14751995523,9cyclictest33-21ksoftirqd/211:40:002
1445625538,9sleep10-21swapper/107:10:021
14751995424,6cyclictest33-21ksoftirqd/210:25:252
14750995414,38cyclictest0-21swapper/108:45:531
1475199534,9cyclictest33-21ksoftirqd/207:25:282
14751995324,9cyclictest33-21ksoftirqd/207:45:252
14751995323,8cyclictest33-21ksoftirqd/209:25:132
14751995320,6cyclictest33-21ksoftirqd/209:45:242
14751995226,9cyclictest33-21ksoftirqd/209:25:002
14751995225,8cyclictest33-21ksoftirqd/207:50:242
14751995222,9cyclictest33-21ksoftirqd/210:55:212
1475199506,9cyclictest33-21ksoftirqd/208:25:002
1475199505,6cyclictest33-21ksoftirqd/209:50:132
1475199503,8cyclictest33-21ksoftirqd/208:20:012
14751995025,4cyclictest33-21ksoftirqd/212:05:162
14751995022,5cyclictest33-21ksoftirqd/211:45:182
14751995020,5cyclictest33-21ksoftirqd/210:20:002
14751995020,5cyclictest33-21ksoftirqd/210:20:002
14751995017,7cyclictest33-21ksoftirqd/208:03:192
1475199496,7cyclictest33-21ksoftirqd/211:45:002
1475199495,5cyclictest33-21ksoftirqd/210:40:182
14751994918,9cyclictest33-21ksoftirqd/208:52:422
297142480,1sleep20-21swapper/207:40:182
1475199485,5cyclictest33-21ksoftirqd/212:20:222
14751994818,3cyclictest33-21ksoftirqd/209:32:012
14751994816,7cyclictest33-21ksoftirqd/211:21:042
1475199475,7cyclictest33-21ksoftirqd/210:30:122
1475199475,7cyclictest33-21ksoftirqd/209:15:262
1475199475,5cyclictest33-21ksoftirqd/210:40:002
1475199475,5cyclictest33-21ksoftirqd/210:00:142
1475199473,6cyclictest24668-21sshd12:00:112
56782460,2sleep00-21swapper/011:20:160
1475199463,9cyclictest33-21ksoftirqd/207:35:162
1475199463,6cyclictest33-21ksoftirqd/211:50:232
1475199463,6cyclictest33-21ksoftirqd/209:35:242
1475199463,5cyclictest33-21ksoftirqd/211:00:192
1475199463,4cyclictest33-21ksoftirqd/209:55:192
1475199455,8cyclictest33-21ksoftirqd/208:45:142
1475199452,9cyclictest33-21ksoftirqd/208:05:142
1475199443,5cyclictest33-21ksoftirqd/210:10:152
14751994427,8cyclictest33-21ksoftirqd/210:20:142
1475199442,4cyclictest33-21ksoftirqd/209:05:142
1475199441,7cyclictest33-21ksoftirqd/207:20:142
134391440,2getstats0-21swapper/311:20:003
139391430,0ptp4l401ktimersoftd/312:22:543
139391430,0ptp4l401ktimersoftd/308:40:203
1475199421,5cyclictest33-21ksoftirqd/208:40:142
139391420,0ptp4l401ktimersoftd/311:59:543
139391420,0ptp4l401ktimersoftd/310:17:263
139391420,0ptp4l401ktimersoftd/310:17:253
57898410,2rtkit-daemon0-21swapper/009:54:030
139391410,0ptp4l401ktimersoftd/311:50:223
139391410,0ptp4l401ktimersoftd/307:18:023
14749994035,3cyclictest26634-21cron09:50:000
139391400,0ptp4l401ktimersoftd/312:00:263
134491390,1getstats18059-1kworker/3:0H10:24:573
14750993832,4cyclictest25-21ksoftirqd/111:25:581
14750993831,4cyclictest25-21ksoftirqd/111:56:581
14750993731,4cyclictest25-21ksoftirqd/110:57:371
14750993731,4cyclictest25-21ksoftirqd/110:30:461
134491370,1getstats0-21swapper/308:59:563
134391370,1getstats0-21swapper/312:20:003
14752993632,2cyclictest19257-21cut10:40:183
14752993631,3cyclictest41-21ksoftirqd/312:35:193
14752993631,3cyclictest29780-21hwlatdetect09:55:173
14752993630,4cyclictest41-21ksoftirqd/311:06:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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