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2026-04-18 - 16:14
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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 Sat Apr 18, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2528821820,4sleep03046999cyclictest12:00:270
2583621720,4sleep13047499cyclictest10:21:111
2171821650,4sleep33048799cyclictest12:29:253
570921330,3sleep03046999cyclictest09:40:430
106891990,3ptp4l401ktimersoftd/308:18:593
106891710,1ptp4l401ktimersoftd/312:31:253
288032690,2sleep20-21swapper/211:30:382
30712650,4sleep23066-21if_err_enp1s013:15:452
30474996555,4cyclictest25-21ksoftirqd/112:05:371
284752650,4sleep3401ktimersoftd/312:02:553
106891650,1ptp4l401ktimersoftd/311:55:463
33982630,2sleep10-21swapper/109:35:431
106891630,1ptp4l401ktimersoftd/312:37:243
106891630,1ptp4l401ktimersoftd/311:01:043
324472610,2sleep10-21swapper/109:30:331
324472610,2sleep10-21swapper/109:30:331
264502590,2sleep30-21swapper/313:40:113
70812580,3sleep10-21swapper/113:20:261
299422580,5sleep029947-21cpuspeed_turbos09:25:340
106891560,2ptp4l401ktimersoftd/310:05:353
301982554,10sleep20-21swapper/208:18:112
106891550,16ptp4l401ktimersoftd/312:58:143
106891550,16ptp4l401ktimersoftd/312:58:143
16502530,1sleep30-21swapper/311:35:413
106891470,0ptp4l401ktimersoftd/310:56:203
106891450,1ptp4l401ktimersoftd/313:33:233
106891440,1ptp4l401ktimersoftd/312:11:043
30487994335,4cyclictest41-21ksoftirqd/308:50:323
3046999432,33cyclictest30727-21apt-get08:20:300
3046999431,33cyclictest30351-21apt-get12:05:370
30487994236,3cyclictest41-21ksoftirqd/311:45:363
30469994217,22cyclictest11466-21sed08:45:370
3046999410,4cyclictest7948-21/usr/sbin/munin10:35:480
3046999403,31cyclictest28956-21apt-get10:25:340
3046999402,30cyclictest9249-21apt-get09:50:300
30469994013,24cyclictest13231-21latency_hist11:15:220
30469994013,24cyclictest13231-21latency_hist11:15:220
3046999400,4cyclictest12339-21sed10:40:400
106891400,1ptp4l401ktimersoftd/310:38:183
106891400,1ptp4l401ktimersoftd/309:00:383
3046999397,21cyclictest1055-21runrttasks09:03:370
3046999393,31cyclictest27661-21apt-get12:35:360
3046999392,30cyclictest21160-21apt-get10:50:340
3046999391,5cyclictest19830-21apt-get13:00:370
30469993914,22cyclictest20149-21ls11:55:230
3046999390,4cyclictest25146-21cut09:15:350
3046999390,4cyclictest20407-21ssh13:33:160
3046999390,3cyclictest31176-21ls13:10:520
106891390,1ptp4l401ktimersoftd/313:46:353
106891390,1ptp4l401ktimersoftd/313:41:273
106891390,1ptp4l401ktimersoftd/311:25:413
3046999382,30cyclictest16242-21apt-get10:45:340
30469993813,22cyclictest6569-21smartctl08:35:360
30469993813,22cyclictest15181-21sh11:50:230
3046999381,31cyclictest0-21swapper/011:00:370
3046999381,30cyclictest21312-21apt-get10:15:340
30469993810,24cyclictest4444-21cut08:30:370
3046999380,4cyclictest8089-21ptp4l09:45:430
3046999380,4cyclictest3441-21mailstats09:35:430
3046999380,4cyclictest2989-21ssh13:15:440
3046999380,4cyclictest22008-21grep11:55:500
3046999380,4cyclictest20169-21ptp4l10:10:440
106891380,1ptp4l401ktimersoftd/312:21:503
106891380,1ptp4l401ktimersoftd/311:32:393
106891380,1ptp4l401ktimersoftd/311:17:323
106891380,1ptp4l401ktimersoftd/310:42:403
106891380,1ptp4l401ktimersoftd/310:10:403
106891380,0ptp4l401ktimersoftd/310:47:093
3046999372,28cyclictest5071-21apt-get12:45:350
30469993713,21cyclictest16012-21sed12:55:450
30469993713,21cyclictest16012-21sed12:55:450
30469993713,20cyclictest4806-21date12:45:240
3046999370,4cyclictest26218-21snmp_o5powerctl13:05:520
3046999370,3cyclictest8572-21cpuspeed_turbos08:40:340
3046999370,3cyclictest25622-21grep10:20:520
106891370,1ptp4l401ktimersoftd/313:20:313
106891370,1ptp4l401ktimersoftd/313:07:433
106891370,1ptp4l401ktimersoftd/313:05:193
106891370,1ptp4l401ktimersoftd/312:46:013
106891370,1ptp4l401ktimersoftd/312:42:393
106891370,1ptp4l401ktimersoftd/312:16:133
106891370,1ptp4l401ktimersoftd/311:40:253
106891370,1ptp4l401ktimersoftd/311:22:003
106891370,1ptp4l401ktimersoftd/311:13:063
106891370,1ptp4l401ktimersoftd/311:13:063
106891370,1ptp4l401ktimersoftd/311:05:243
106891370,1ptp4l401ktimersoftd/311:05:243
106891370,1ptp4l401ktimersoftd/310:54:473
106891370,1ptp4l401ktimersoftd/310:34:433
106891370,1ptp4l401ktimersoftd/310:28:233
106891370,1ptp4l401ktimersoftd/310:20:463
106891370,1ptp4l401ktimersoftd/309:50:203
106891370,1ptp4l401ktimersoftd/309:21:093
106891370,0ptp4l401ktimersoftd/313:25:523
106891370,0ptp4l401ktimersoftd/313:18:343
3046999362,4cyclictest26197-21apt-get10:55:450
3046999362,30cyclictest0-21swapper/012:29:170
30469993613,20cyclictest32115-21/usr/sbin/munin09:30:420
30469993613,20cyclictest32115-21/usr/sbin/munin09:30:420
30469993613,20cyclictest1256-21/usr/sbin/munin08:25:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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