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2026-03-28 - 15:03
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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 Mar 28, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
787647996562,2cyclictest0-21swapper/122:24:591
78764799650,64cyclictest0-21swapper/123:27:001
78764799650,63cyclictest0-21swapper/121:30:101
787647996462,1cyclictest0-21swapper/122:40:351
78764799641,62cyclictest0-21swapper/119:55:061
787647996360,2cyclictest0-21swapper/120:24:001
787647996344,18cyclictest817886-21kworker/1:020:50:151
78764799630,62cyclictest0-21swapper/122:03:051
78764799630,2cyclictest0-21swapper/123:15:471
78764799630,1cyclictest0-21swapper/119:33:341
787647996143,17cyclictest990952-21kworker/1:100:35:131
787647995955,2cyclictest50-21kcompactd020:05:221
787647995941,16cyclictest3723918-1kworker/1:1H23:42:061
78764799590,58cyclictest0-21swapper/121:15:301
787647995843,14cyclictest825208-21kworker/1:021:10:151
787647995843,14cyclictest788963-21kworker/1:219:35:151
787647995842,15cyclictest846791-21kworker/1:321:40:021
787647995842,15cyclictest846791-21kworker/1:321:39:061
787647995840,16cyclictest788963-21kworker/1:219:25:161
787647995837,19cyclictest3723918-1kworker/1:1H21:26:421
787647995837,19cyclictest3723918-1kworker/1:1H21:26:421
78764799580,57cyclictest0-21swapper/119:12:351
787651995744,12cyclictest792898-21kworker/2:019:40:222
787647995742,14cyclictest905062-21kworker/1:023:00:101
787647995742,14cyclictest803160-21kworker/1:320:00:011
787647995741,15cyclictest817886-21kworker/1:020:55:161
787647995740,16cyclictest851690-21kworker/1:121:50:151
787647995739,17cyclictest980805-21kworker/1:000:20:131
787647995739,17cyclictest946284-21kworker/1:223:53:131
787647995735,20cyclictest928272-21kworker/1:323:20:141
787647995641,14cyclictest959247-21kworker/1:000:03:141
787647995641,14cyclictest905062-21kworker/1:022:55:111
787647995641,14cyclictest894960-21kworker/1:122:50:251
787647995641,14cyclictest860199-21kworker/1:022:10:141
787647995641,14cyclictest860199-21kworker/1:021:55:131
787647995641,14cyclictest812315-21kworker/1:220:36:351
787647995641,14cyclictest812315-21kworker/1:220:25:171
787647995640,15cyclictest972203-21kworker/1:100:10:131
787647995640,15cyclictest946284-21kworker/1:223:48:451
787647995640,15cyclictest890633-21kworker/1:022:29:591
787647995638,16cyclictest807075-21kworker/1:120:10:141
787651995550,3cyclictest958757-21kworker/2:000:06:482
787647995552,2cyclictest0-21swapper/122:39:021
787647995552,1cyclictest790469-21fschecks_time19:15:141
787647995540,14cyclictest937082-21kworker/1:123:37:061
787647995540,14cyclictest918545-21kworker/1:123:10:151
787647995540,14cyclictest890633-21kworker/1:022:32:361
787647995540,14cyclictest860199-21kworker/1:022:05:031
787647995540,14cyclictest831746-21kworker/1:221:20:071
787647995540,14cyclictest831746-21kworker/1:221:20:061
787647995540,14cyclictest788963-21kworker/1:219:45:141
787647995540,14cyclictest788963-21kworker/1:219:45:131
787647995540,14cyclictest788963-21kworker/1:219:40:141
787647995539,15cyclictest807685-21kworker/1:320:15:131
787641995551,2cyclictest814796-21kworker/0:220:37:050
787651995449,3cyclictest814801-21kworker/2:120:44:352
787647995439,14cyclictest980805-21kworker/1:000:30:151
787647995439,14cyclictest959247-21kworker/1:023:55:121
787647995439,14cyclictest894960-21kworker/1:122:47:031
787647995439,14cyclictest817886-21kworker/1:020:45:151
787647995438,14cyclictest851690-21kworker/1:121:45:131
787647995437,16cyclictest877692-21kworker/1:222:15:131
787647995436,16cyclictest823096-21kworker/1:321:05:131
787647995431,21cyclictest3723918-1kworker/1:1H20:35:001
78764799540,53cyclictest0-21swapper/100:29:551
787641995450,3cyclictest3115968-1kworker/0:0H19:15:360
787651995349,2cyclictest858173-21kworker/2:221:54:362
787647995351,1cyclictest0-21swapper/120:40:421
787647995337,15cyclictest972203-21kworker/1:100:17:131
787647995335,17cyclictest914255-21kworker/1:323:05:141
787641995348,3cyclictest3115968-1kworker/0:0H19:43:000
787641995347,3cyclictest3115968-1kworker/0:0H00:15:130
787656995247,3cyclictest866440-21kworker/3:122:31:363
787651995248,3cyclictest877157-21kworker/2:022:15:312
787651995248,2cyclictest958757-21kworker/2:000:26:132
787651995248,2cyclictest944314-21kworker/2:123:45:352
787651995248,2cyclictest940016-21kworker/2:223:31:512
787651995248,2cyclictest864103-21kworker/2:122:03:002
787651995246,3cyclictest454890-1kworker/2:2H20:25:152
787647995237,14cyclictest959247-21kworker/1:000:05:471
787647995236,15cyclictest817886-21kworker/1:021:00:001
787647995236,15cyclictest788963-21kworker/1:219:50:221
787641995248,3cyclictest3115968-1kworker/0:0H19:30:330
787641995248,2cyclictest794438-21kworker/0:120:34:000
787641995248,2cyclictest794438-21kworker/0:119:39:340
787641995246,3cyclictest3115968-1kworker/0:0H19:10:140
787656995148,2cyclictest796038-21kworker/3:121:22:343
787656995148,2cyclictest796038-21kworker/3:121:22:343
787651995148,2cyclictest918559-21kworker/2:023:27:002
787651995147,3cyclictest898940-21kworker/2:222:43:352
787651995145,4cyclictest454890-1kworker/2:2H21:00:142
787647995136,14cyclictest788963-21kworker/1:219:20:261
787641995147,2cyclictest794438-21kworker/0:120:00:350
787641995146,3cyclictest3115968-1kworker/0:0H00:05:050
787656995046,2cyclictest3728265-1kworker/3:2H19:10:103
787656995045,3cyclictest3728265-1kworker/3:2H23:40:123
787647995035,14cyclictest937082-21kworker/1:123:34:361
787641995047,2cyclictest897797-21kworker/0:122:39:020
787641995046,2cyclictest817892-21kworker/0:020:50:300
787641995046,2cyclictest3115968-1kworker/0:0H23:15:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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