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2026-05-09 - 06:06
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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 Sat May 09, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2278684997250,21cyclictest2397956-21kworker/1:122:42:261
2278684996663,2cyclictest0-21swapper/123:40:131
2278684996544,20cyclictest2337563-21kworker/1:121:40:131
2278684996442,20cyclictest2500956-21kworker/1:300:35:011
227868499640,1cyclictest0-21swapper/122:29:551
2278684996343,18cyclictest2448210-21kworker/1:123:45:141
2278684996343,18cyclictest2363328-21kworker/1:022:05:161
2278684996342,19cyclictest2466501-21kworker/1:223:55:131
2278684996342,19cyclictest2438247-21kworker/1:223:25:141
2278684996244,17cyclictest2279695-21kworker/1:119:15:131
2278684996143,17cyclictest3548654-1kworker/1:0H19:40:271
2278684996143,17cyclictest3548654-1kworker/1:0H00:12:511
2278684996143,17cyclictest2393126-21kworker/1:022:35:051
2278684996143,17cyclictest2309570-21kworker/1:321:05:011
2278684996143,17cyclictest2308917-21kworker/1:120:46:521
2278684996143,16cyclictest2357075-21kworker/1:221:55:131
2278684996143,16cyclictest2302228-21kworker/1:020:25:131
2278684996143,16cyclictest2283694-21kworker/1:219:27:371
2278684996142,17cyclictest3548654-1kworker/1:0H20:35:131
2278684996142,17cyclictest2413862-21kworker/1:223:10:141
2278684996142,17cyclictest2309570-21kworker/1:320:58:521
2278684996141,18cyclictest2438247-21kworker/1:223:30:151
2278684996141,18cyclictest2438247-21kworker/1:223:30:141
2278684996140,19cyclictest3548654-1kworker/1:0H21:12:131
2278684996140,19cyclictest2476277-21kworker/1:100:15:261
2278684996140,19cyclictest2337563-21kworker/1:121:50:261
2278684996139,20cyclictest3548654-1kworker/1:0H20:35:001
2278684996139,20cyclictest2317454-21kworker/1:021:20:111
2278684996042,17cyclictest2500956-21kworker/1:300:30:151
2278684996042,16cyclictest2492574-21kworker/1:200:25:011
2278684996042,16cyclictest2428567-21kworker/1:023:15:131
2278684996041,17cyclictest2406552-21kworker/1:322:50:121
2278684996041,17cyclictest2402769-21kworker/1:222:45:081
2278684996041,17cyclictest2363328-21kworker/1:022:20:291
2278684996041,17cyclictest2286776-21kworker/1:019:35:121
2278684996041,17cyclictest2277740-21kworker/1:319:10:011
2278684996040,19cyclictest2327883-21kworker/1:221:25:141
2278684996040,18cyclictest3548654-1kworker/1:0H20:15:201
2278684996040,18cyclictest2486224-21kworker/1:000:25:011
2278684996040,18cyclictest2298160-21kworker/1:220:14:521
2278684996039,19cyclictest3548654-1kworker/1:0H19:50:001
2278684996039,19cyclictest2363328-21kworker/1:022:15:141
2278684995942,16cyclictest2466501-21kworker/1:200:00:131
2278684995940,18cyclictest2413862-21kworker/1:223:05:141
2278684995940,18cyclictest2413862-21kworker/1:223:00:111
2278684995940,17cyclictest3548654-1kworker/1:0H23:50:141
2278684995940,17cyclictest2406552-21kworker/1:322:55:141
2278692995852,3cyclictest3288418-1kworker/3:2H21:15:143
2278684995841,16cyclictest2438247-21kworker/1:223:35:001
2278684995841,16cyclictest2363328-21kworker/1:022:10:121
2278684995838,19cyclictest2294568-21kworker/1:320:00:151
2278684995740,16cyclictest2300666-21kworker/1:120:20:151
2278684995739,17cyclictest2358555-21kworker/1:322:00:331
2278684995739,16cyclictest2296309-21kworker/1:020:05:221
2278684995738,18cyclictest2302228-21kworker/1:020:40:131
227868499571,54cyclictest0-21swapper/121:30:061
2278684995639,16cyclictest2393126-21kworker/1:022:33:271
2278684995629,26cyclictest2282134-21kworker/1:019:22:011
2278684995628,26cyclictest3548654-1kworker/1:0H19:30:231
2278692995550,3cyclictest2274147-21kworker/3:119:52:113
2278689995542,4cyclictest3402818-1kworker/2:1H19:52:052
2278684995539,15cyclictest2292963-21kworker/1:119:55:151
2278684995538,16cyclictest2476277-21kworker/1:100:05:141
2278684995538,16cyclictest2433420-21kworker/1:123:20:131
2278684995537,17cyclictest2309570-21kworker/1:320:50:141
2278684995536,18cyclictest2291424-21kworker/1:219:51:531
2278684995437,16cyclictest2327883-21kworker/1:221:35:001
2278684995436,16cyclictest2317454-21kworker/1:021:15:141
2278683995442,11cyclictest2417293-21kworker/0:323:53:440
2278692995334,16cyclictest3288418-1kworker/3:2H23:27:243
2278689995348,3cyclictest3402818-1kworker/2:1H23:12:232
2278684995336,16cyclictest2309570-21kworker/1:321:00:151
2278692995247,3cyclictest3288418-1kworker/3:2H22:07:163
2278684995236,15cyclictest2337563-21kworker/1:121:45:131
2278692995146,3cyclictest2504816-21kworker/3:000:35:293
2278689995147,2cyclictest2447878-21kworker/2:123:36:512
2278689995146,3cyclictest2323132-21kworker/2:221:20:052
2278689995145,3cyclictest3402818-1kworker/2:1H21:45:012
2278683995147,2cyclictest2311989-21kworker/0:021:00:270
2278692995046,3cyclictest2308968-21kworker/3:221:10:433
2278683995047,2cyclictest2731713-1kworker/0:0H00:07:190
2278683995047,2cyclictest2391767-21kworker/0:222:38:210
2278683995046,2cyclictest2288328-21kworker/0:119:52:400
2278692994946,2cyclictest3288418-1kworker/3:2H22:45:453
2278692994946,2cyclictest2348669-21kworker/3:122:17:183
2278692994945,2cyclictest3288418-1kworker/3:2H22:55:143
2278692994944,3cyclictest2436060-21kworker/3:123:39:543
2278692994943,3cyclictest3288418-1kworker/3:2H19:20:133
2278689994944,3cyclictest3402818-1kworker/2:1H21:17:052
2278683994946,2cyclictest2360717-21kworker/0:222:11:200
2278683994945,3cyclictest2731713-1kworker/0:0H23:12:570
2278683994945,3cyclictest2417293-21kworker/0:323:26:260
2278683994944,3cyclictest2731713-1kworker/0:0H23:37:320
2278683994944,3cyclictest2288328-21kworker/0:120:17:310
2278692994845,2cyclictest2486358-21kworker/3:200:20:263
2278692994844,3cyclictest2460780-21kworker/3:023:48:193
2278689994844,2cyclictest2397609-21kworker/2:122:41:202
2278683994844,3cyclictest2375433-21kworker/0:022:20:070
2278683994842,4cyclictest2731713-1kworker/0:0H00:25:020
2278692994743,3cyclictest3288418-1kworker/3:2H00:25:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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