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2026-06-24 - 09:00
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot3.osadl.org (updated Wed Jun 24, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2336262996761,3cyclictest2466941-21fschecks_count22:50:151
233626299671,3cyclictest2526640-21fschecks_count23:55:161
2336262996545,19cyclictest2400964-21kworker/1:021:47:531
233626299650,63cyclictest0-21swapper/120:24:561
2336262996360,2cyclictest0-21swapper/121:52:231
2336262996343,18cyclictest2422416-21kworker/1:122:05:141
2336262996338,23cyclictest1290408-1kworker/1:0H20:00:011
2336262996243,17cyclictest2352155-21kworker/1:320:00:141
2336262996243,17cyclictest2337691-21kworker/1:019:15:221
2336262996242,19cyclictest2471551-21kworker/1:223:05:171
2336262996143,17cyclictest2518952-21kworker/1:223:51:191
2336262996143,16cyclictest2551261-21kworker/1:200:25:131
2336262996143,16cyclictest2471551-21kworker/1:223:15:151
2336262996143,16cyclictest2446559-21kworker/1:022:30:251
2336262996143,16cyclictest2417564-21kworker/1:221:59:561
2336262996142,17cyclictest2556135-21kworker/1:100:35:141
2336262996142,17cyclictest2504152-21kworker/1:023:35:131
2336262996140,19cyclictest2361609-21kworker/1:020:45:161
2336262996140,19cyclictest2361609-21kworker/1:020:40:141
2336262996043,16cyclictest2432086-21kworker/1:022:15:281
2336262996043,16cyclictest2400964-21kworker/1:022:00:161
2336262996043,16cyclictest2361609-21kworker/1:020:51:471
2336262996043,16cyclictest2344113-21kworker/1:119:30:421
2336262996042,17cyclictest2531503-21kworker/1:300:00:151
2336262996042,16cyclictest2436851-21kworker/1:222:25:001
2336262996041,17cyclictest2528869-21kworker/1:000:10:011
2336262996041,17cyclictest2457516-21kworker/1:322:45:141
2336262996041,17cyclictest2371118-21kworker/1:121:15:161
2336262996041,17cyclictest2348096-21kworker/1:219:49:441
2336262996041,17cyclictest1290408-1kworker/1:0H22:10:181
2336262996040,18cyclictest2471551-21kworker/1:223:00:131
2336262996040,18cyclictest2441777-21kworker/1:122:35:141
2336262996040,18cyclictest2396077-21kworker/1:121:39:551
2336262996040,18cyclictest2359817-21kworker/1:120:30:011
2336262996040,18cyclictest2341974-21kworker/1:319:40:141
2336262996040,18cyclictest2341974-21kworker/1:319:29:461
2336262996040,18cyclictest1290408-1kworker/1:0H20:35:151
2336262995941,16cyclictest2369578-21kworker/1:220:55:031
2336262995941,16cyclictest2339737-21kworker/1:219:20:001
2336262995940,18cyclictest2349810-21kworker/1:019:53:451
2336262995940,17cyclictest2504152-21kworker/1:023:46:161
2336262995940,17cyclictest2496888-21kworker/1:123:30:131
2336262995940,17cyclictest1290408-1kworker/1:0H20:15:121
2336262995937,20cyclictest2341974-21kworker/1:319:35:151
2336262995840,17cyclictest2371118-21kworker/1:121:25:491
2336262995839,17cyclictest2381632-21kworker/1:221:20:011
2336265995745,10cyclictest1941157-1kworker/3:2H00:04:553
2336265995742,12cyclictest1941157-1kworker/3:2H23:50:133
2336262995740,16cyclictest2466546-21kworker/1:022:55:151
2336262995739,17cyclictest2456462-21kworker/1:022:40:131
2336262995739,17cyclictest2456462-21kworker/1:022:40:121
2336262995739,17cyclictest2391324-21kworker/1:221:30:501
2336262995739,16cyclictest2471551-21kworker/1:223:14:261
2336262995639,16cyclictest2400964-21kworker/1:021:44:531
2336262995639,16cyclictest2359817-21kworker/1:120:25:461
2336262995539,14cyclictest2536034-21kworker/1:100:05:181
2336262995537,17cyclictest2496888-21kworker/1:123:25:131
2336261995550,3cyclictest2413716-21kworker/0:222:00:520
2336262995451,2cyclictest3715721-21snmpd00:25:001
2336262995451,2cyclictest0-21swapper/121:08:131
2336262995436,16cyclictest2371118-21kworker/1:121:10:161
2336262995436,16cyclictest2371118-21kworker/1:121:10:151
2336262995434,18cyclictest2504152-21kworker/1:023:40:121
2336262995337,15cyclictest2371118-21kworker/1:121:00:141
2336262995337,15cyclictest2352155-21kworker/1:320:10:141
2336262995337,15cyclictest2352155-21kworker/1:320:05:161
2336262995337,14cyclictest2528869-21kworker/1:000:16:281
2336262995337,14cyclictest2528869-21kworker/1:000:16:281
2336261995349,2cyclictest2364937-21kworker/0:020:44:120
2336265995247,3cyclictest2466312-21kworker/3:223:12:553
2336265995247,3cyclictest2466312-21kworker/3:222:57:233
2336265995247,3cyclictest1941157-1kworker/3:2H19:21:453
2336263995245,4cyclictest2427282-1kworker/2:0H22:55:222
2336262995237,14cyclictest2471551-21kworker/1:223:20:151
2336262995237,14cyclictest2432086-21kworker/1:022:20:151
2336261995247,3cyclictest2485037-21kworker/0:023:20:280
2336261995247,3cyclictest2392907-21kworker/0:121:50:050
2336261995247,3cyclictest1087385-1kworker/0:2H22:40:130
2336261995247,3cyclictest1087385-1kworker/0:2H22:40:120
2336263995148,2cyclictest2350554-21kworker/2:020:50:002
2336263995147,3cyclictest2385830-21kworker/2:121:25:442
2336263995147,2cyclictest2350554-21kworker/2:020:05:062
2336263995145,3cyclictest2427282-1kworker/2:0H22:00:532
2336263995144,5cyclictest2427282-1kworker/2:0H00:10:122
2336261995147,3cyclictest2466575-21kworker/0:223:10:230
2336261995147,3cyclictest1087385-1kworker/0:2H22:27:230
2336261995146,3cyclictest2505544-21kworker/0:023:46:510
2336261995145,4cyclictest1087385-1kworker/0:2H00:00:390
2336265995047,2cyclictest2344431-21kworker/3:120:14:103
2336265995045,3cyclictest2530755-21kworker/3:000:25:463
2336263995047,2cyclictest2350554-21kworker/2:020:37:472
2336263995045,3cyclictest2350554-21kworker/2:019:58:152
2336263995044,4cyclictest2427282-1kworker/2:0H20:05:012
2336261995045,3cyclictest1087385-1kworker/0:2H20:10:010
2336261995044,4cyclictest1087385-1kworker/0:2H19:45:120
2336265994946,2cyclictest1941157-1kworker/3:2H20:35:393
2336265994944,3cyclictest1941157-1kworker/3:2H00:35:123
2336265994940,8cyclictest1941157-1kworker/3:2H23:34:563
2336263994945,3cyclictest2456185-21kworker/2:123:00:102
2336263994944,3cyclictest2427282-1kworker/2:0H21:02:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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