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2026-09-07 - 07:12
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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 Sep 07, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13538996837,29cyclictest1893123-1kworker/1:0H20:21:211
13538996835,32cyclictest11759-21kworker/1:119:10:141
13538996563,1cyclictest0-21swapper/100:39:381
13538996432,31cyclictest120454-21kworker/1:122:45:131
13538996358,3cyclictest0-21swapper/100:26:391
13538996258,2cyclictest0-21swapper/121:50:541
13538996159,1cyclictest0-21swapper/119:52:131
13538996158,2cyclictest0-21swapper/122:06:431
13538996141,18cyclictest1893123-1kworker/1:0H21:40:011
13538996056,2cyclictest0-21swapper/122:26:321
13538996044,15cyclictest37335-21kworker/1:220:45:171
13538996044,15cyclictest199270-21kworker/1:200:06:131
13538996043,16cyclictest192869-21kworker/1:323:50:151
13538996043,15cyclictest166980-1kworker/1:1H23:25:141
13538996043,15cyclictest166980-1kworker/1:1H00:30:141
13538996043,15cyclictest166980-1kworker/1:1H00:30:131
13538996042,17cyclictest19171-21kworker/1:319:30:171
13538996041,18cyclictest51473-21kworker/1:221:15:151
13538996040,19cyclictest37335-21kworker/1:220:30:151
13538996038,21cyclictest1893123-1kworker/1:0H22:55:141
13538996038,21cyclictest1893123-1kworker/1:0H22:55:131
13538996038,19cyclictest37335-21kworker/1:220:35:141
13538996031,28cyclictest183806-21kworker/1:223:40:141
13538995943,15cyclictest49934-21kworker/1:021:31:271
13538995943,15cyclictest49934-21kworker/1:021:10:151
13538995943,15cyclictest1893123-1kworker/1:0H23:10:171
13538995943,15cyclictest137767-21kworker/1:023:15:151
13538995942,15cyclictest1893123-1kworker/1:0H20:10:141
13538995941,17cyclictest40670-21kworker/1:120:40:141
13538995941,17cyclictest19171-21kworker/1:319:43:141
13538995941,17cyclictest15111-21kworker/1:019:15:011
13538995941,17cyclictest126546-21kworker/1:322:38:381
13538995941,17cyclictest126546-21kworker/1:322:34:591
13538995939,18cyclictest166980-1kworker/1:1H00:20:001
13538995939,18cyclictest164310-21kworker/1:323:35:121
13538995842,15cyclictest49934-21kworker/1:021:26:341
13538995842,15cyclictest49934-21kworker/1:021:26:331
13538995842,15cyclictest30194-21kworker/1:220:01:281
13538995842,15cyclictest166980-1kworker/1:1H00:00:161
13538995841,16cyclictest15111-21kworker/1:019:20:001
13538995841,15cyclictest132195-21kworker/1:223:00:161
13538995841,15cyclictest132195-21kworker/1:223:00:151
13538995840,17cyclictest99933-21kworker/1:222:10:161
13538995840,16cyclictest1893123-1kworker/1:0H22:00:141
13538995838,19cyclictest90994-21kworker/1:021:57:131
13538995838,19cyclictest198715-21kworker/1:023:55:151
13538995836,20cyclictest132195-21kworker/1:222:40:161
1353899582,54cyclictest0-21swapper/123:08:241
1353899582,54cyclictest0-21swapper/122:54:301
13538995740,16cyclictest37335-21kworker/1:220:50:141
13538995740,16cyclictest35771-21kworker/1:020:16:211
13538995740,16cyclictest220061-21kworker/1:200:20:141
13538995740,16cyclictest19171-21kworker/1:319:25:151
13538995739,17cyclictest71942-21kworker/1:121:44:441
13538995739,17cyclictest58441-21kworker/1:121:20:141
13538995739,17cyclictest58441-21kworker/1:121:20:131
13538995739,17cyclictest35771-21kworker/1:020:28:161
13538995738,18cyclictest1893123-1kworker/1:0H20:00:001
13538995738,18cyclictest1893123-1kworker/1:0H20:00:001
13538995738,18cyclictest108264-21kworker/1:122:15:141
13538995736,19cyclictest199270-21kworker/1:200:10:161
13538995639,16cyclictest71942-21kworker/1:121:45:151
13538995634,20cyclictest1893123-1kworker/1:0H20:05:141
13538995623,31cyclictest46833-21kworker/1:121:00:141
1353899560,29cyclictest176132-21ssh23:30:121
13540995549,4cyclictest139855-21kworker/2:022:55:192
13540995549,4cyclictest139855-21kworker/2:022:55:192
13538995538,16cyclictest46833-21kworker/1:120:55:141
13538995538,16cyclictest137767-21kworker/1:023:20:451
13538995538,16cyclictest113926-21kworker/1:322:20:161
13537995550,3cyclictest11329-21kworker/0:219:19:430
13540995448,4cyclictest198042-21kworker/2:000:15:132
13540995436,15cyclictest3683655-1kworker/2:2H21:20:132
13540995436,15cyclictest3683655-1kworker/2:2H21:20:132
13538995437,16cyclictest49934-21kworker/1:021:05:011
13538995436,16cyclictest11759-21kworker/1:119:35:141
13538995431,22cyclictest1893123-1kworker/1:0H19:45:131
1353899540,52cyclictest0-21swapper/123:46:251
13540995248,2cyclictest155813-21kworker/2:023:30:312
13540995247,3cyclictest3683655-1kworker/2:2H19:41:432
13537995247,3cyclictest40671-21kworker/0:220:51:590
13540995147,2cyclictest40658-21kworker/2:220:40:122
13540995146,3cyclictest3683655-1kworker/2:2H00:30:162
13540995146,3cyclictest3683655-1kworker/2:2H00:30:152
13540995146,3cyclictest32708-21kworker/2:020:30:132
13540995137,11cyclictest3683655-1kworker/2:2H22:25:142
13542995046,3cyclictest2137237-1kworker/3:0H21:36:593
13540995045,3cyclictest3683655-1kworker/2:2H21:01:122
13540995045,3cyclictest3683655-1kworker/2:2H19:36:492
13540995045,3cyclictest3683655-1kworker/2:2H19:29:442
13542994945,3cyclictest2137237-1kworker/3:0H20:55:003
13540994944,3cyclictest3683655-1kworker/2:2H21:49:122
13540994944,3cyclictest3683655-1kworker/2:2H20:36:352
13537994946,2cyclictest23182-21kworker/0:019:40:240
13542994844,3cyclictest2137237-1kworker/3:0H21:26:333
13542994844,3cyclictest2137237-1kworker/3:0H21:26:323
13542994844,3cyclictest2137237-1kworker/3:0H20:17:133
13542994844,3cyclictest100347-21kworker/3:223:16:383
13540994844,2cyclictest155813-21kworker/2:023:23:392
13540994843,3cyclictest45301-21kworker/2:121:25:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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