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2026-04-16 - 07:36
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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 Thu Apr 16, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
244713199681,2cyclictest0-21swapper/122:34:501
2447131996459,2cyclictest0-21swapper/120:03:191
2447131996244,17cyclictest2599693-21kworker/1:223:49:551
2447131996242,18cyclictest2460269-21kworker/1:120:05:131
244713199620,1cyclictest0-21swapper/120:20:261
2447131996143,16cyclictest2483257-21kworker/1:321:00:161
2447131996056,2cyclictest0-21swapper/123:09:491
2447131996053,5cyclictest2557780-21cron22:40:001
2447131996044,15cyclictest351150-1kworker/1:0H20:49:451
2447131996043,16cyclictest2531533-21kworker/1:122:10:131
2447131996042,17cyclictest2483257-21kworker/1:321:05:161
2447131996041,18cyclictest2637780-21kworker/1:200:20:141
2447131996040,18cyclictest2454678-21kworker/1:019:40:131
2447131996034,25cyclictest2517067-21kworker/1:121:55:141
2447131995943,15cyclictest2620752-21kworker/1:023:59:371
2447131995943,15cyclictest2552746-21kworker/1:222:41:191
2447131995943,15cyclictest2522403-21kworker/1:322:03:191
2447131995943,15cyclictest2454678-21kworker/1:019:35:341
2447131995942,16cyclictest2584433-21kworker/1:023:25:001
2447131995942,16cyclictest2562783-21kworker/1:122:55:141
2447131995942,16cyclictest2460269-21kworker/1:119:50:131
2447131995942,16cyclictest2444620-21kworker/1:019:15:121
2447131995941,17cyclictest351150-1kworker/1:0H23:40:001
2447131995941,17cyclictest2474416-21kworker/1:220:35:141
2447131995940,18cyclictest2512872-21kworker/1:021:45:131
2447131995856,1cyclictest0-21swapper/120:25:321
2447131995843,14cyclictest351150-1kworker/1:0H00:33:531
2447131995842,15cyclictest2629232-21kworker/1:100:15:001
2447131995842,15cyclictest2620752-21kworker/1:000:01:201
2447131995842,15cyclictest2562783-21kworker/1:123:00:151
2447131995842,15cyclictest2562783-21kworker/1:123:00:151
2447131995842,15cyclictest2447509-21kworker/1:319:10:161
2447131995842,15cyclictest2447509-21kworker/1:319:10:161
2447131995842,15cyclictest2444620-21kworker/1:019:24:531
2447131995841,16cyclictest351150-1kworker/1:0H21:25:141
2447131995840,17cyclictest2539886-21kworker/1:222:20:131
2447131995741,15cyclictest2504363-21kworker/1:221:39:211
2447131995740,16cyclictest2487562-21kworker/1:021:15:371
2447131995739,17cyclictest2567470-21kworker/1:022:52:191
2447131995641,14cyclictest2647476-21kworker/1:000:35:121
2447131995640,15cyclictest351150-1kworker/1:0H20:30:221
2447131995640,15cyclictest2544081-21kworker/1:122:25:161
2447131995640,15cyclictest2504363-21kworker/1:221:50:001
2447131995640,15cyclictest2463622-21kworker/1:220:10:141
2447131995639,16cyclictest2620752-21kworker/1:000:05:131
2447131995639,16cyclictest2584433-21kworker/1:023:15:001
2447131995639,16cyclictest2474416-21kworker/1:220:40:131
2447131995638,17cyclictest2480743-21kworker/1:020:55:151
2447131995637,18cyclictest2531533-21kworker/1:122:15:141
2447131995637,18cyclictest2474416-21kworker/1:220:50:141
244713199561,2cyclictest0-21swapper/122:06:241
2447106995649,4cyclictest2448443-1kworker/0:1H22:10:130
2447131995550,3cyclictest2586420-21fschecks_count23:15:141
2447131995539,15cyclictest2487562-21kworker/1:021:20:141
2447131995539,15cyclictest2460269-21kworker/1:119:58:501
2447131995538,16cyclictest2633373-21kworker/1:000:25:131
2447131995538,16cyclictest2599693-21kworker/1:223:50:011
2447131995538,16cyclictest2458475-21kworker/1:219:45:221
2447131995538,16cyclictest2452731-21kworker/1:319:31:251
2447131995537,17cyclictest2599693-21kworker/1:223:40:151
2447131995536,18cyclictest2595516-21kworker/1:123:30:161
2447131995536,17cyclictest351150-1kworker/1:0H22:45:131
2447131995438,15cyclictest2584433-21kworker/1:023:25:161
2447131995438,15cyclictest2463622-21kworker/1:220:15:141
2447131995438,15cyclictest2444620-21kworker/1:019:25:141
2447106995449,3cyclictest2628428-21kworker/0:200:20:220
2447160995348,3cyclictest1677842-1kworker/3:0H00:05:163
2447159995348,3cyclictest3819399-1kworker/2:0H22:25:122
2447131995336,16cyclictest2487562-21kworker/1:021:35:001
2447131995336,16cyclictest2487562-21kworker/1:021:12:211
244713199531,2cyclictest0-21swapper/121:44:191
2447160995248,2cyclictest2464960-21kworker/3:120:59:483
2447159995248,3cyclictest3819399-1kworker/2:0H23:45:312
2447131995234,17cyclictest2625023-21kworker/1:200:10:131
2447106995245,4cyclictest2448443-1kworker/0:1H00:17:140
2447106995146,3cyclictest2448443-1kworker/0:1H19:55:370
2447160995045,3cyclictest1677842-1kworker/3:0H23:00:213
2447160995045,3cyclictest1677842-1kworker/3:0H23:00:213
2447159995046,2cyclictest3819399-1kworker/2:0H23:00:152
2447159995046,2cyclictest3819399-1kworker/2:0H23:00:152
2447106995045,3cyclictest2448443-1kworker/0:1H00:00:110
2447160994944,3cyclictest1677842-1kworker/3:0H19:14:483
2447160994944,3cyclictest1677842-1kworker/3:0H19:14:473
2447159994946,2cyclictest2592447-21kworker/2:223:30:262
2447159994945,3cyclictest3819399-1kworker/2:0H00:00:432
2447159994945,2cyclictest3819399-1kworker/2:0H19:24:582
2447159994944,3cyclictest3819399-1kworker/2:0H21:40:242
2447106994945,2cyclictest2466453-21kworker/0:220:15:110
2447106994944,3cyclictest2448443-1kworker/0:1H23:25:130
2447160994843,3cyclictest2549667-21kworker/3:023:55:113
2447159994844,3cyclictest2565491-21kworker/2:222:55:062
2447159994843,3cyclictest3819399-1kworker/2:0H22:15:282
2447106994844,2cyclictest2448443-1kworker/0:1H20:41:440
2447160994744,2cyclictest2621695-21kworker/3:200:04:563
2447160994744,2cyclictest1677842-1kworker/3:0H22:35:263
2447160994743,3cyclictest1677842-1kworker/3:0H21:17:063
2447160994743,2cyclictest1677842-1kworker/3:0H21:25:133
2447160994742,3cyclictest2621695-21kworker/3:200:26:343
2447160994742,3cyclictest1677842-1kworker/3:0H00:15:003
2447159994744,2cyclictest2565491-21kworker/2:222:54:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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