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2026-04-27 - 22:27
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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 Mon Apr 27, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2406176996764,2cyclictest0-21swapper/109:59:471
240617699660,64cyclictest0-21swapper/111:45:231
2406176996146,14cyclictest2553943-21kworker/1:211:35:151
2406176996057,2cyclictest0-21swapper/110:54:471
2406176996041,18cyclictest1314742-1kworker/1:2H08:20:001
2406176996040,18cyclictest2532172-21kworker/1:111:25:141
2406182995953,3cyclictest1677842-1kworker/3:0H12:01:193
2406176995941,17cyclictest2507730-21kworker/1:010:35:171
2406176995939,18cyclictest1314742-1kworker/1:2H11:20:011
2406176995856,1cyclictest0-21swapper/109:16:491
2406176995842,15cyclictest1314742-1kworker/1:2H07:22:231
2406176995841,16cyclictest2489958-21kworker/1:310:20:131
2406176995841,16cyclictest2389758-21kworker/1:107:10:141
2406176995839,18cyclictest2420454-21kworker/1:107:55:161
2406176995838,19cyclictest1314742-1kworker/1:2H09:35:001
2406176995742,14cyclictest2572605-21kworker/1:212:00:161
2406176995741,15cyclictest2413337-21kworker/1:307:30:131
2406176995740,16cyclictest2585596-21kworker/1:112:05:161
2406176995740,16cyclictest2475256-21kworker/1:110:05:011
2406176995737,18cyclictest1314742-1kworker/1:2H11:54:591
2406176995654,1cyclictest0-21swapper/110:45:521
2406176995654,1cyclictest0-21swapper/107:35:471
2406176995653,2cyclictest0-21swapper/109:41:061
2406176995652,2cyclictest2476736-21cron09:50:001
2406176995641,14cyclictest2598454-21kworker/1:212:25:121
2406176995641,14cyclictest2532172-21kworker/1:111:10:011
2406176995641,14cyclictest2475256-21kworker/1:110:00:011
2406176995641,14cyclictest2441720-21kworker/1:309:10:151
2406176995641,14cyclictest2441720-21kworker/1:309:05:151
2406176995641,14cyclictest2436409-21kworker/1:208:55:151
2406176995641,14cyclictest2436409-21kworker/1:208:50:481
2406176995641,14cyclictest2420454-21kworker/1:108:00:131
2406176995641,14cyclictest2420454-21kworker/1:108:00:131
2406176995640,15cyclictest2607118-21kworker/1:112:30:501
2406176995640,15cyclictest2594149-21kworker/1:012:15:001
2406176995640,15cyclictest2549380-21kworker/1:011:21:151
2406176995640,15cyclictest2532172-21kworker/1:111:00:141
2406176995636,19cyclictest1314742-1kworker/1:2H08:10:001
2406176995553,1cyclictest0-21swapper/107:15:251
2406176995540,14cyclictest2527956-21kworker/1:010:55:151
2406176995540,14cyclictest2507730-21kworker/1:010:33:541
2406176995540,14cyclictest2503429-21kworker/1:110:25:151
2406176995540,14cyclictest2489958-21kworker/1:310:15:131
2406176995540,14cyclictest2445917-21kworker/1:109:20:011
2406176995540,14cyclictest2433058-21kworker/1:108:35:011
2406176995540,14cyclictest2415786-21kworker/1:007:40:011
2406176995538,16cyclictest2572605-21kworker/1:211:55:141
2406176995537,17cyclictest1314742-1kworker/1:2H08:45:001
240617699550,4cyclictest0-21swapper/107:25:151
2406182995448,3cyclictest1677842-1kworker/3:0H07:35:143
2406180995450,2cyclictest2496732-21kworker/2:110:15:282
2406176995451,2cyclictest0-21swapper/111:31:251
2406176995439,14cyclictest2585596-21kworker/1:112:11:261
2406176995437,16cyclictest2607118-21kworker/1:112:35:131
2406176995436,17cyclictest2436409-21kworker/1:209:00:021
240617699543,2cyclictest0-21swapper/108:47:191
2406172995450,2cyclictest2431571-21kworker/0:308:45:400
2406180995349,2cyclictest2524139-21kworker/2:210:51:482
2406180995349,2cyclictest2414506-21kworker/2:207:53:472
2406176995338,14cyclictest2476981-21kworker/1:309:50:031
2406176995338,14cyclictest2425992-21kworker/1:308:30:171
2406176995338,14cyclictest2425992-21kworker/1:308:20:141
2406176995337,15cyclictest2562515-21kworker/1:111:40:141
2406176995337,15cyclictest2425992-21kworker/1:308:25:491
2406176995335,17cyclictest1314742-1kworker/1:2H11:05:161
240617699530,2cyclictest0-21swapper/109:25:051
2406182995247,3cyclictest1677842-1kworker/3:0H09:10:003
2406176995237,14cyclictest2507730-21kworker/1:010:42:481
2406176995237,14cyclictest2485416-21kworker/1:210:10:541
2406172995247,3cyclictest2604461-1kworker/0:2H12:11:250
2406172995245,4cyclictest2604461-1kworker/0:2H08:55:150
2406182995147,2cyclictest2422241-21kworker/3:008:15:233
2406182995146,3cyclictest1677842-1kworker/3:0H10:58:183
2406180995147,3cyclictest2436404-21kworker/2:208:43:132
2406180995147,2cyclictest2603328-21kworker/2:012:25:392
2406180995147,2cyclictest2460716-21kworker/2:109:32:152
2406180995147,2cyclictest2456244-21kworker/2:209:27:482
2406180995147,2cyclictest2414506-21kworker/2:207:56:482
2406180995146,3cyclictest2466487-21kworker/2:009:41:112
2406176995136,14cyclictest2598454-21kworker/1:212:20:141
2406176995135,15cyclictest2415786-21kworker/1:007:50:141
2406176995134,16cyclictest2458189-21kworker/1:009:35:141
2406172995148,2cyclictest2459922-21kworker/0:009:59:480
2406182995046,2cyclictest2422241-21kworker/3:008:20:553
2406182995044,4cyclictest1677842-1kworker/3:0H07:20:453
2406182995044,3cyclictest2480841-21kworker/3:209:55:003
2406180995047,2cyclictest2594688-21kworker/2:212:16:572
2406180995047,2cyclictest2524139-21kworker/2:210:56:182
2406180995046,3cyclictest3819399-1kworker/2:0H12:20:292
2406180995046,2cyclictest2439487-21kworker/2:108:55:052
2406180995046,2cyclictest2436404-21kworker/2:208:45:482
2406180995045,3cyclictest2496732-21kworker/2:110:40:392
2406180995045,3cyclictest2429988-21kworker/2:108:29:482
2406176995035,14cyclictest2415786-21kworker/1:007:45:211
2406172995047,2cyclictest2562991-21kworker/0:211:53:480
2406172995047,2cyclictest2459922-21kworker/0:009:52:540
2406172995046,3cyclictest2508039-21kworker/0:210:40:230
2406172995046,2cyclictest2520985-21kworker/0:010:50:480
2406172995046,2cyclictest2409886-21kworker/0:207:36:180
2406182994945,2cyclictest2558675-21kworker/3:212:35:493
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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