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2026-09-11 - 14:57
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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 Fri Sep 11, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2201796996841,26cyclictest2369214-21kworker/1:123:45:141
220179699663,62cyclictest0-21swapper/119:26:331
220179699620,61cyclictest0-21swapper/120:26:221
220179699620,1cyclictest0-21swapper/120:22:231
2201796996158,2cyclictest0-21swapper/123:10:271
2201796996158,2cyclictest0-21swapper/119:50:111
2201796996143,17cyclictest2214580-21kworker/1:019:55:131
2201796996045,14cyclictest2348605-21kworker/1:023:15:111
2201796996044,15cyclictest2369214-21kworker/1:123:44:541
2201796996042,17cyclictest2246612-21kworker/1:221:20:001
2201796996040,18cyclictest2407155-21kworker/1:100:20:151
2201796995944,14cyclictest2290111-21kworker/1:022:27:021
2201796995943,15cyclictest2323720-21kworker/1:122:45:151
2201796995942,16cyclictest2328390-21kworker/1:022:50:181
2201796995940,17cyclictest2225646-21kworker/1:320:35:141
220179699590,58cyclictest0-21swapper/120:07:491
2201796995843,14cyclictest2372925-1kworker/1:1H22:56:471
2201796995843,14cyclictest2360332-21kworker/1:323:27:431
2201796995843,14cyclictest2309282-21kworker/1:122:35:251
2201796995843,14cyclictest2309282-21kworker/1:122:30:021
2201796995843,14cyclictest2246612-21kworker/1:221:32:281
2201796995843,14cyclictest2237984-21kworker/1:121:05:001
2201796995843,14cyclictest2225646-21kworker/1:320:30:141
2201796995843,14cyclictest2214580-21kworker/1:020:00:011
2201796995843,14cyclictest2206868-21kworker/1:219:30:131
2201796995843,14cyclictest2197068-21kworker/1:019:11:231
2201796995842,15cyclictest2372925-1kworker/1:1H21:09:531
2201796995841,16cyclictest2360332-21kworker/1:323:30:191
2201796995841,16cyclictest2248430-21kworker/1:321:20:181
2201796995841,16cyclictest2225646-21kworker/1:320:40:131
2201796995754,2cyclictest0-21swapper/100:17:361
2201796995742,14cyclictest2411692-21kworker/1:000:25:141
2201796995742,14cyclictest2379996-21kworker/1:023:59:381
2201796995742,14cyclictest2290111-21kworker/1:022:14:461
2201796995742,14cyclictest2279332-21kworker/1:321:55:131
2201796995742,14cyclictest2233404-21kworker/1:220:50:001
2201796995742,14cyclictest2225646-21kworker/1:320:45:151
2201796995742,14cyclictest2225646-21kworker/1:320:45:141
2201796995742,14cyclictest2214580-21kworker/1:020:10:141
2201796995742,14cyclictest2206868-21kworker/1:219:35:011
2201796995741,15cyclictest2338277-21kworker/1:323:05:161
2201796995741,15cyclictest2259074-21kworker/1:121:35:241
2201796995741,15cyclictest2233404-21kworker/1:220:55:161
2201796995741,14cyclictest2372925-1kworker/1:1H21:50:141
2201796995738,18cyclictest2372925-1kworker/1:1H19:25:011
2201796995653,2cyclictest329-21jbd2/mmcblk0p2-00:30:051
2201796995641,14cyclictest2397797-21kworker/1:000:10:011
2201796995641,14cyclictest2290111-21kworker/1:022:16:231
2201796995641,14cyclictest2290111-21kworker/1:022:16:221
2201796995641,14cyclictest2246612-21kworker/1:221:26:471
2201796995641,14cyclictest2223843-21kworker/1:220:19:551
2201796995641,14cyclictest2206868-21kworker/1:219:45:011
2201796995639,16cyclictest2284146-21kworker/1:122:05:141
2201796995639,16cyclictest2263777-21kworker/1:021:40:151
220179699560,2cyclictest2342283-21cron23:05:001
2201796995538,16cyclictest2387900-21kworker/1:100:00:141
2201801995450,3cyclictest4039042-1kworker/3:1H22:44:563
2201796995450,2cyclictest0-21swapper/123:51:211
2201796995439,14cyclictest2239524-21kworker/1:021:10:151
2201796995439,14cyclictest2197068-21kworker/1:019:16:541
2201796995438,15cyclictest2421582-21kworker/1:000:35:161
2201796995437,16cyclictest2372925-1kworker/1:1H23:39:591
2201796995437,15cyclictest2268444-21kworker/1:221:45:141
2201801995348,3cyclictest4039042-1kworker/3:1H19:26:173
2201801995348,3cyclictest2222344-21kworker/3:220:34:543
2201801995347,3cyclictest4039042-1kworker/3:1H19:31:283
2201798995349,2cyclictest2223844-21kworker/2:220:21:412
2201796995338,14cyclictest2391155-1kworker/1:0H00:05:131
2201796995338,14cyclictest2290111-21kworker/1:022:20:011
2201796995338,14cyclictest2290111-21kworker/1:022:20:001
2201796995337,15cyclictest2353313-21kworker/1:223:20:141
2201801995247,3cyclictest2222344-21kworker/3:221:16:013
2201798995248,3cyclictest2284587-21kworker/2:122:00:362
2201798995247,3cyclictest2225675-21kworker/2:020:38:542
2201796995237,14cyclictest2314207-21kworker/1:222:40:151
2201794995249,2cyclictest2225392-21kworker/0:120:30:310
2201794995248,2cyclictest2363774-21kworker/0:223:29:470
2201794995248,2cyclictest2210195-21kworker/0:019:53:530
2201801995147,3cyclictest2338083-21kworker/3:123:02:223
2201798995148,2cyclictest3683655-1kworker/2:2H21:15:462
2201798995147,2cyclictest2233355-21kworker/2:120:47:222
2201798995147,2cyclictest2233355-21kworker/2:120:47:222
2201798995146,3cyclictest2233355-21kworker/2:120:56:532
2201798995146,3cyclictest2200259-21kworker/2:019:13:232
2201796995136,14cyclictest2206868-21kworker/1:219:40:011
2201794995148,2cyclictest2233361-21kworker/0:020:50:270
2201794995148,2cyclictest2225392-21kworker/0:120:37:090
2201794995147,3cyclictest2327182-21kworker/0:022:52:510
2201794995147,2cyclictest2210195-21kworker/0:020:11:540
2201801995046,3cyclictest2222344-21kworker/3:222:56:023
2201801995045,3cyclictest4039042-1kworker/3:1H20:55:153
2201798995047,2cyclictest2388427-21kworker/2:200:15:412
2201798995047,2cyclictest2377500-21kworker/2:123:47:152
2201798995045,4cyclictest3683655-1kworker/2:2H23:44:212
2201798995045,3cyclictest2200259-21kworker/2:019:35:362
2201796995033,16cyclictest2284146-21kworker/1:122:05:011
2201794995047,2cyclictest2246607-21kworker/0:221:25:280
2201794995046,3cyclictest2290467-21kworker/0:122:18:220
2201794995046,3cyclictest2290467-21kworker/0:122:18:210
2201794995046,2cyclictest2225392-21kworker/0:120:40:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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