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2026-05-02 - 21:37
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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 02, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72221799661,64cyclictest0-21swapper/110:54:561
722217996335,14cyclictest759913-21kworker/1:009:10:151
722217996260,1cyclictest0-21swapper/109:33:301
722217996246,15cyclictest838988-21kworker/1:310:45:161
722217996159,1cyclictest0-21swapper/112:26:211
722217996159,1cyclictest0-21swapper/112:26:201
722217996158,2cyclictest0-21swapper/111:45:591
722217996158,2cyclictest0-21swapper/110:30:151
722217996158,2cyclictest0-21swapper/110:30:141
722217996158,2cyclictest0-21swapper/109:50:211
722217995944,14cyclictest751307-21kworker/1:208:45:131
722217995943,15cyclictest855483-21kworker/1:011:15:141
722217995943,15cyclictest797596-21kworker/1:110:05:301
722217995943,15cyclictest751307-21kworker/1:208:40:151
722217995943,15cyclictest739835-21kworker/1:008:05:161
722217995943,15cyclictest738278-21kworker/1:207:59:241
722217995941,17cyclictest786157-21kworker/1:009:45:131
722217995843,14cyclictest183454-1kworker/1:0H12:13:301
722217995843,14cyclictest183454-1kworker/1:0H11:20:141
722217995842,15cyclictest929702-21kworker/1:012:35:161
722217995842,15cyclictest183454-1kworker/1:0H11:00:221
722217995841,16cyclictest923291-21kworker/1:112:30:011
722217995841,15cyclictest735197-21kworker/1:107:50:151
722217995755,1cyclictest0-21swapper/109:38:261
722217995755,1cyclictest0-21swapper/108:35:061
722217995742,14cyclictest739835-21kworker/1:008:25:141
722217995742,14cyclictest727238-21kworker/1:007:25:001
722217995742,14cyclictest727238-21kworker/1:007:25:001
722217995742,14cyclictest721244-21kworker/1:307:10:141
722217995742,14cyclictest721244-21kworker/1:307:10:141
722217995742,14cyclictest183454-1kworker/1:0H11:39:001
722217995742,14cyclictest183454-1kworker/1:0H07:40:141
722217995741,15cyclictest832048-21kworker/1:110:40:121
722217995740,16cyclictest877103-21kworker/1:011:33:001
722217995740,16cyclictest767383-21kworker/1:009:19:551
722217995740,16cyclictest739835-21kworker/1:008:15:141
722217995739,16cyclictest848134-21kworker/1:211:10:011
722217995652,3cyclictest0-21swapper/111:50:311
722217995641,14cyclictest909494-21kworker/1:012:15:141
722217995641,14cyclictest909494-21kworker/1:012:15:141
722217995641,14cyclictest867435-21kworker/1:311:25:411
722217995641,14cyclictest729249-21kworker/1:207:45:141
722217995641,14cyclictest729249-21kworker/1:207:30:141
722217995640,15cyclictest810356-21kworker/1:310:20:131
722217995640,15cyclictest738278-21kworker/1:208:00:011
722217995639,16cyclictest819676-21kworker/1:110:25:151
722217995639,16cyclictest819676-21kworker/1:110:25:141
722217995540,14cyclictest751307-21kworker/1:209:00:141
722217995540,14cyclictest751307-21kworker/1:209:00:141
722217995540,14cyclictest751307-21kworker/1:208:50:141
722217995540,14cyclictest729249-21kworker/1:207:35:181
722217995540,14cyclictest727238-21kworker/1:007:28:011
722217995539,15cyclictest724759-21kworker/1:207:18:001
722217995539,15cyclictest183454-1kworker/1:0H09:40:141
722217995539,15cyclictest183454-1kworker/1:0H08:30:151
722217995538,16cyclictest739835-21kworker/1:008:20:141
72221799550,54cyclictest0-21swapper/112:09:551
722212995549,4cyclictest766553-21kworker/0:009:45:310
722217995439,14cyclictest822948-21kworker/1:210:35:341
722217995439,14cyclictest814393-21kworker/1:010:15:151
722217995439,14cyclictest810356-21kworker/1:310:14:301
722217995439,14cyclictest767383-21kworker/1:009:26:021
722217995438,15cyclictest903308-21kworker/1:212:20:131
722217995438,15cyclictest848134-21kworker/1:210:55:341
722217995438,15cyclictest793229-21kworker/1:309:55:011
722217995437,16cyclictest767383-21kworker/1:009:22:061
722217995437,16cyclictest751307-21kworker/1:209:05:161
722217995437,16cyclictest751307-21kworker/1:209:05:151
72221799540,53cyclictest0-21swapper/110:00:281
722212995446,5cyclictest2604461-1kworker/0:2H11:55:450
722217995338,14cyclictest898972-21kworker/1:112:00:461
722217995338,14cyclictest739835-21kworker/1:008:10:141
722217995337,15cyclictest848134-21kworker/1:211:05:001
722212995347,3cyclictest2604461-1kworker/0:2H07:27:310
722221995247,3cyclictest915507-21kworker/3:012:21:213
722221995247,3cyclictest3665389-1kworker/3:1H09:33:593
722221995245,3cyclictest3665389-1kworker/3:1H10:25:333
722221995245,3cyclictest3665389-1kworker/3:1H10:25:333
722218995247,3cyclictest3819399-1kworker/2:0H10:57:312
722218995246,4cyclictest3819399-1kworker/2:0H12:27:312
722218995246,4cyclictest3819399-1kworker/2:0H12:27:302
722217995237,14cyclictest865161-21kworker/1:211:55:141
722212995247,3cyclictest757797-21kworker/0:109:03:100
722212995247,3cyclictest757797-21kworker/0:109:03:100
722212995247,3cyclictest744450-21kworker/0:008:30:270
722212995247,3cyclictest722023-21kworker/0:107:10:450
722212995247,3cyclictest722023-21kworker/0:107:10:440
722212995246,3cyclictest2604461-1kworker/0:2H07:40:150
722218995145,4cyclictest3819399-1kworker/2:0H11:14:312
722218995145,3cyclictest3819399-1kworker/2:0H09:45:132
722217995136,14cyclictest881426-21kworker/1:111:40:311
722212995147,2cyclictest728209-21kworker/0:108:13:300
722212995147,2cyclictest2604461-1kworker/0:2H12:25:140
722212995147,2cyclictest2604461-1kworker/0:2H12:25:130
722212995146,3cyclictest2604461-1kworker/0:2H12:31:290
722212995145,4cyclictest2604461-1kworker/0:2H10:47:000
722212995143,5cyclictest2604461-1kworker/0:2H09:59:290
722221995047,2cyclictest3665389-1kworker/3:1H08:59:553
722221995046,2cyclictest3665389-1kworker/3:1H08:35:213
722221995044,4cyclictest3665389-1kworker/3:1H09:42:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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