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2026-09-05 - 01:39
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot6.osadl.org (updated Fri Sep 04, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
812421820,5sleep32758499cyclictest13:35:523
1093821450,4sleep02756599cyclictest12:32:250
1068911030,34ptp4l401ktimersoftd/309:35:183
224752690,2sleep20-21swapper/214:56:162
213572690,4sleep341-21ksoftirqd/311:37:233
313892660,2sleep10-21swapper/112:20:381
27584996614,22cyclictest27434-21sh15:01:223
272642655,10sleep00-21swapper/009:34:310
190262650,1sleep30-21swapper/313:12:393
184902650,2sleep20-21swapper/211:32:212
143992640,2sleep00-21swapper/014:14:110
326252600,2sleep30-21swapper/312:54:003
197842600,2sleep20-21swapper/214:19:592
10052600,1sleep30-21swapper/314:01:493
271882544,38sleep10-21swapper/109:33:311
5092530,2sleep20-21swapper/212:54:352
281862520,2sleep10-21swapper/109:37:221
210042520,3sleep0111rcuc/011:37:200
2742124321,11sleep233-21ksoftirqd/209:36:312
27584994212,27cyclictest24011-21basename13:52:223
27565994123,12cyclictest46950irq/100-ens3-Tx14:02:230
106891410,1ptp4l401ktimersoftd/310:02:163
106891400,1ptp4l401ktimersoftd/312:40:103
106891380,1ptp4l401ktimersoftd/314:38:293
106891380,1ptp4l401ktimersoftd/312:42:573
106891380,1ptp4l401ktimersoftd/312:07:173
106891380,1ptp4l401ktimersoftd/311:44:293
2757899374,8cyclictest24044-21ssh13:52:222
2757899371,4cyclictest14365-21/usr/sbin/munin12:02:292
27578993713,4cyclictest2461-21grep09:47:342
27578993712,5cyclictest6391-21expr12:27:282
106891370,1ptp4l401ktimersoftd/315:06:193
106891370,1ptp4l401ktimersoftd/314:45:143
106891370,1ptp4l401ktimersoftd/314:34:403
106891370,1ptp4l401ktimersoftd/314:19:233
106891370,1ptp4l401ktimersoftd/313:42:513
106891370,1ptp4l401ktimersoftd/313:42:513
106891370,1ptp4l401ktimersoftd/313:08:423
106891370,1ptp4l401ktimersoftd/312:50:293
106891370,1ptp4l401ktimersoftd/312:27:333
106891370,1ptp4l401ktimersoftd/311:51:023
106891370,0ptp4l401ktimersoftd/314:51:213
106891370,0ptp4l401ktimersoftd/312:58:083
2757899363,8cyclictest4403-21apt-get13:32:212
2757899363,5cyclictest0-21swapper/213:47:242
2757899363,5cyclictest0-21swapper/213:47:242
2757899362,31cyclictest32379-21grep13:27:262
27578993614,19cyclictest28842-21sh11:44:362
106891360,1ptp4l401ktimersoftd/314:10:333
106891360,1ptp4l401ktimersoftd/313:19:163
106891360,1ptp4l401ktimersoftd/312:17:443
106891360,1ptp4l401ktimersoftd/312:12:123
106891360,1ptp4l401ktimersoftd/311:57:163
106891360,1ptp4l401ktimersoftd/311:57:163
106891360,1ptp4l401ktimersoftd/309:37:243
106891360,0ptp4l401ktimersoftd/314:02:343
106891360,0ptp4l401ktimersoftd/313:25:463
106891360,0ptp4l401ktimersoftd/312:24:303
2758499359,22cyclictest30016-21irqrtprio10:47:243
27584993511,21cyclictest11824-21switchtime12:32:353
2757899359,4cyclictest9080-21grep11:12:202
27578993515,17cyclictest47150irq/102-ens3-Tx14:12:402
27578993513,3cyclictest15891-21sh13:10:382
27578993512,3cyclictest30917-21cron14:32:122
106891350,1ptp4l401ktimersoftd/314:52:553
106891350,1ptp4l401ktimersoftd/314:12:133
106891350,0ptp4l401ktimersoftd/314:30:173
106891350,0ptp4l401ktimersoftd/310:59:113
2758499348,3cyclictest16179-21cut11:27:203
2758499344,26cyclictest0-21swapper/310:22:213
27584993412,18cyclictest10844-21sh13:37:423
27584993410,21cyclictest12994-21acpi12:02:183
27584993410,20cyclictest31034-21expr09:42:193
2757899349,3cyclictest1753-21basename10:57:182
2757899342,7cyclictest2447-21apt-get12:57:202
27578993414,3cyclictest32486-21sh15:06:372
27578993413,4cyclictest29884-21sh13:24:252
27578993413,4cyclictest20484-21diskmemload14:03:272
27578993412,3cyclictest30192-21ls13:57:342
27578993412,3cyclictest11976-21sed13:07:112
27578993411,4cyclictest23039-21cstates12:12:212
2757899341,12cyclictest20374-21if_ens310:27:242
2757899341,11cyclictest31331-21rm14:32:242
106891340,1ptp4l401ktimersoftd/313:50:413
106891340,1ptp4l401ktimersoftd/313:50:413
27584993312,18cyclictest7901-21hddtemp_smartct13:02:273
27584993311,19cyclictest10535-21expr10:07:203
2757899339,3cyclictest25737-21if_err_enp1s0.112:47:282
2757899339,3cyclictest17477-21df13:12:242
2757899332,8cyclictest26896-21apt-get10:42:172
27578993313,3cyclictest13028-21sh13:40:502
27578993312,4cyclictest23882-21sh11:39:322
27578993311,3cyclictest2766-21sh11:52:002
27578993311,3cyclictest23444-21sh12:45:082
27578993310,4cyclictest26311-21sh13:21:432
27578993310,4cyclictest1888-21cat12:22:372
276692320,5sleep125-21ksoftirqd/113:55:411
2758499329,3cyclictest20690-21kernelversion10:27:253
2758499328,3cyclictest7822-21latency_hist11:57:083
2758499327,3cyclictest26041-21ls10:37:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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