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2026-07-19 - 11:26
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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 Sun Jul 19, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2873258996441,21cyclictest2872207-21kworker/1:219:20:141
287325899641,62cyclictest0-21swapper/120:42:361
2873258996345,17cyclictest2897300-21kworker/1:320:30:141
2873258996238,23cyclictest2963136-21kworker/1:022:15:121
2873258996157,2cyclictest0-21swapper/119:11:301
2873257996157,2cyclictest2870302-21kworker/0:119:11:300
2873258996045,14cyclictest2893060-21kworker/1:220:25:011
2873258995944,14cyclictest2931521-21kworker/1:121:35:181
2873258995941,17cyclictest2952433-21kworker/1:122:00:141
2873258995843,14cyclictest2885072-21kworker/1:319:50:151
2873258995842,15cyclictest3048833-21kworker/1:123:44:551
2873258995840,16cyclictest2879810-21kworker/1:019:30:161
2873258995840,16cyclictest2874666-21kworker/1:119:15:011
2873258995742,14cyclictest3032014-21kworker/1:023:25:141
2873258995742,14cyclictest3002325-21kworker/1:322:50:301
2873258995742,14cyclictest2963136-21kworker/1:022:07:551
2873258995742,14cyclictest2909648-21kworker/1:021:12:321
2873258995740,16cyclictest2986213-21kworker/1:122:40:151
2873258995738,18cyclictest2963136-21kworker/1:022:25:001
2873258995736,19cyclictest2909648-21kworker/1:021:05:001
2873265995650,4cyclictest2616927-1kworker/3:2H22:30:053
2873258995641,14cyclictest3051922-21kworker/1:223:54:561
2873258995641,14cyclictest3036853-21kworker/1:123:30:151
2873258995641,14cyclictest2989627-21kworker/1:322:35:231
2873258995641,14cyclictest2989627-21kworker/1:322:35:221
2873258995641,14cyclictest2963136-21kworker/1:022:30:171
2873258995641,14cyclictest2915518-21kworker/1:221:27:001
2873258995641,14cyclictest2872207-21kworker/1:219:25:241
2873258995640,15cyclictest2994363-21kworker/1:022:45:111
2873258995640,15cyclictest2963136-21kworker/1:022:10:141
2873258995639,16cyclictest2909648-21kworker/1:021:05:141
2873258995540,14cyclictest3076189-21kworker/1:200:24:551
2873258995540,14cyclictest3032014-21kworker/1:023:45:001
2873258995540,14cyclictest3022446-21kworker/1:223:17:371
2873258995540,14cyclictest3011626-21kworker/1:223:00:151
2873258995540,14cyclictest2952433-21kworker/1:121:55:161
2873258995540,14cyclictest2941265-21kworker/1:021:44:571
2873258995540,14cyclictest2903725-21kworker/1:020:52:331
2873258995540,14cyclictest2886692-1kworker/1:2H23:21:591
2873258995540,14cyclictest2885072-21kworker/1:319:49:301
2873258995540,14cyclictest2882869-21kworker/1:119:40:371
2873258995539,15cyclictest3057198-21kworker/1:100:00:311
2873258995539,15cyclictest2936291-21kworker/1:221:47:501
2873258995539,15cyclictest2885072-21kworker/1:320:09:561
2873258995534,20cyclictest2931521-21kworker/1:121:35:001
2873258995534,19cyclictest2886692-1kworker/1:2H00:35:001
2873258995439,14cyclictest3083859-21kworker/1:000:25:161
2873258995439,14cyclictest3051922-21kworker/1:223:55:051
2873258995439,14cyclictest2909648-21kworker/1:021:15:171
2873258995439,14cyclictest2909648-21kworker/1:021:15:171
2873258995439,14cyclictest2901918-21kworker/1:220:38:011
2873258995439,14cyclictest2885072-21kworker/1:320:02:001
2873258995438,15cyclictest3007071-21kworker/1:123:05:141
2873258995437,16cyclictest3057198-21kworker/1:100:10:141
2873258995436,17cyclictest2892661-21kworker/1:120:10:161
2873265995349,3cyclictest3020436-21kworker/3:223:21:003
2873261995348,3cyclictest2881358-21kworker/2:019:40:132
2873258995338,14cyclictest3076189-21kworker/1:200:15:051
2873258995338,14cyclictest3022446-21kworker/1:223:14:311
2873258995338,14cyclictest3007071-21kworker/1:122:55:171
2873258995338,14cyclictest2974987-21kworker/1:122:20:251
2873258995338,14cyclictest2901918-21kworker/1:220:49:571
2873258995338,14cyclictest2885072-21kworker/1:319:55:141
2873258995337,15cyclictest2915518-21kworker/1:221:22:511
2873258995337,15cyclictest2886692-1kworker/1:2H00:35:061
2873257995347,3cyclictest1969060-1kworker/0:2H20:45:130
2873265995247,3cyclictest2616927-1kworker/3:2H23:07:303
2873261995247,3cyclictest1275076-1kworker/2:1H21:35:222
2873258995237,14cyclictest3057198-21kworker/1:100:05:061
2873258995236,15cyclictest3041510-21kworker/1:223:35:171
2873258995236,15cyclictest2944455-21kworker/1:321:51:351
2873258995236,15cyclictest2903725-21kworker/1:020:55:131
2873258995236,15cyclictest2893060-21kworker/1:220:20:061
2873258995236,15cyclictest2879810-21kworker/1:019:35:151
2873257995247,3cyclictest1969060-1kworker/0:2H22:02:570
2873265995148,2cyclictest3040226-21kworker/3:000:01:293
2873265995148,2cyclictest3020436-21kworker/3:223:10:213
2873265995147,2cyclictest3040226-21kworker/3:023:38:313
2873265995147,2cyclictest2616927-1kworker/3:2H20:15:123
2873265995146,3cyclictest2616927-1kworker/3:2H23:28:163
2873261995146,3cyclictest1275076-1kworker/2:1H20:02:202
2873258995136,14cyclictest2893060-21kworker/1:220:15:131
2873257995146,4cyclictest1969060-1kworker/0:2H21:58:010
2873265995047,2cyclictest3001089-21kworker/3:022:54:543
2873265995047,2cyclictest2881402-21kworker/3:120:07:523
2873265995047,2cyclictest2881402-21kworker/3:119:48:293
2873261995047,2cyclictest1275076-1kworker/2:1H21:15:202
2873261995047,2cyclictest1275076-1kworker/2:1H21:15:202
2873257995046,3cyclictest1969060-1kworker/0:2H20:28:570
2873257995045,3cyclictest1969060-1kworker/0:2H00:17:420
2873265994946,2cyclictest3020436-21kworker/3:223:18:143
2873265994946,2cyclictest2952423-21kworker/3:122:10:223
2873265994946,2cyclictest2900429-21kworker/3:220:47:393
2873261994946,2cyclictest2960180-21kworker/2:022:31:552
2873261994945,3cyclictest2960180-21kworker/2:022:20:312
2873261994945,3cyclictest1275076-1kworker/2:1H21:40:172
2873261994944,3cyclictest1275076-1kworker/2:1H21:47:542
2873257994944,3cyclictest1969060-1kworker/0:2H22:30:110
2873265994845,2cyclictest3040226-21kworker/3:000:05:223
2873265994845,2cyclictest2978027-21kworker/3:222:45:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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