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2026-01-09 - 05:42
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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 Jan 09, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1561234997355,17cyclictest1624099-21kworker/1:023:05:141
1561234996846,21cyclictest1032281-1kworker/1:2H20:25:121
1561234996738,18cyclictest1587386-21kworker/1:220:35:131
1561234996641,23cyclictest1610200-21kworker/1:221:45:131
1561234996443,19cyclictest1579744-21kworker/1:320:20:131
1561234996442,20cyclictest1032281-1kworker/1:2H21:00:011
156123499640,63cyclictest0-21swapper/123:57:191
156123499640,63cyclictest0-21swapper/122:56:081
156123499640,63cyclictest0-21swapper/122:47:011
156123499640,63cyclictest0-21swapper/121:40:121
156123499640,62cyclictest0-21swapper/121:17:051
156123499640,1cyclictest1597633-21apt21:05:011
1561234996340,15cyclictest1032281-1kworker/1:2H21:30:131
156123499630,2cyclictest0-21swapper/119:20:481
1561234996245,16cyclictest1032281-1kworker/1:2H19:17:351
1561234996044,15cyclictest1571092-21kworker/1:219:55:121
1561234996039,19cyclictest1032281-1kworker/1:2H22:55:001
1561234995956,2cyclictest0-21swapper/122:17:261
1561234995956,2cyclictest0-21swapper/120:34:251
1561234995943,15cyclictest1654580-21kworker/1:200:20:151
1561234995943,15cyclictest1645983-21kworker/1:023:40:211
1561234995943,15cyclictest1624099-21kworker/1:022:40:141
1561234995943,15cyclictest1571092-21kworker/1:219:40:151
1561234995942,16cyclictest1636736-21kworker/1:223:15:001
1561234995942,16cyclictest1624099-21kworker/1:022:40:001
1561234995942,15cyclictest1032281-1kworker/1:2H21:55:131
1561234995941,17cyclictest1654580-21kworker/1:200:10:151
1561234995941,17cyclictest1568013-21kworker/1:319:30:111
1561234995939,18cyclictest1620999-21kworker/1:122:20:131
1561234995938,19cyclictest1032281-1kworker/1:2H22:14:591
1561234995936,21cyclictest1032281-1kworker/1:2H22:05:001
1561234995842,15cyclictest1624099-21kworker/1:022:30:421
1561234995842,15cyclictest1598192-21kworker/1:321:05:131
1561234995842,15cyclictest1597589-21kworker/1:021:10:561
1561234995842,15cyclictest1579744-21kworker/1:320:07:561
1561234995842,15cyclictest1571092-21kworker/1:220:00:011
1561234995842,15cyclictest1032281-1kworker/1:2H20:15:571
1561234995842,15cyclictest1032281-1kworker/1:2H00:30:141
1561234995841,16cyclictest1638324-21kworker/1:323:15:141
1561234995754,2cyclictest0-21swapper/100:08:551
1561234995741,15cyclictest1654580-21kworker/1:200:15:151
1561234995741,15cyclictest1649336-21kworker/1:223:50:131
1561234995741,15cyclictest1610200-21kworker/1:221:50:111
1561234995741,15cyclictest1602206-21kworker/1:221:25:011
1561234995741,15cyclictest1587386-21kworker/1:220:45:151
1561234995741,15cyclictest1587386-21kworker/1:220:40:551
1561234995741,15cyclictest1032281-1kworker/1:2H23:30:251
1561234995739,17cyclictest1597589-21kworker/1:021:20:001
1561234995739,17cyclictest1032281-1kworker/1:2H00:28:151
1561234995738,18cyclictest1643512-21kworker/1:323:35:561
156123499570,56cyclictest0-21swapper/122:27:571
1561234995641,14cyclictest1571092-21kworker/1:219:50:151
1561234995640,15cyclictest1660153-21kworker/1:000:39:591
1561234995640,15cyclictest1640088-21kworker/1:023:25:061
1561234995640,15cyclictest1571092-21kworker/1:219:45:041
1561234995639,16cyclictest1624099-21kworker/1:023:04:591
1561234995639,16cyclictest1607101-21kworker/1:121:35:171
1561234995639,16cyclictest1032281-1kworker/1:2H19:35:061
1561234995638,17cyclictest1649336-21kworker/1:223:46:551
1561234995638,17cyclictest1587386-21kworker/1:220:54:541
1561234995638,16cyclictest1640458-21kworker/1:123:20:121
1561234995637,18cyclictest1616379-21kworker/1:322:09:551
1561234995637,18cyclictest1579744-21kworker/1:320:10:141
1561234995633,21cyclictest1561037-21kworker/1:019:25:011
1561237995549,4cyclictest1625888-21kworker/2:022:55:202
1561237995449,3cyclictest1578871-21kworker/2:120:21:542
1561237995448,4cyclictest703680-1kworker/2:0H19:14:552
1561234995436,17cyclictest1653505-21kworker/1:000:03:551
1561237995347,4cyclictest1610209-21kworker/2:022:01:232
1561230995349,2cyclictest1568077-21kworker/0:319:31:240
1561230995348,3cyclictest1627427-21kworker/0:122:46:550
1561241995241,8cyclictest1451643-1kworker/3:0H20:30:143
1561237995245,4cyclictest703680-1kworker/2:0H20:45:012
1561234995249,2cyclictest0-21swapper/119:12:051
1561230995248,2cyclictest3267985-1kworker/0:1H20:10:120
1561230995248,2cyclictest1605563-21kworker/0:021:48:200
1561241995145,4cyclictest1451643-1kworker/3:0H00:38:103
1561237995145,4cyclictest1561048-21kworker/2:219:29:192
1561230995148,2cyclictest3267985-1kworker/0:1H19:23:060
1561237995045,3cyclictest1571086-21kworker/2:119:50:452
1561230995047,2cyclictest1628988-21kworker/0:023:30:540
1561230995046,2cyclictest1628988-21kworker/0:022:53:250
1561230995046,2cyclictest1593010-21kworker/0:321:16:320
1561241994944,3cyclictest1451643-1kworker/3:0H21:20:003
1561237994943,4cyclictest703680-1kworker/2:0H00:27:262
1561241994846,1cyclictest1548596-21kworker/3:119:58:553
1561241994845,2cyclictest1589940-21kworker/3:221:24:263
1561241994845,2cyclictest1451643-1kworker/3:0H23:08:073
1561241994844,2cyclictest1589940-21kworker/3:221:30:133
1561230994845,2cyclictest3267985-1kworker/0:1H22:59:550
1561230994845,2cyclictest1593010-21kworker/0:321:30:590
1561230994844,3cyclictest1610195-21kworker/0:121:42:520
1561230994844,2cyclictest3267985-1kworker/0:1H19:17:050
1561241994744,2cyclictest1548596-21kworker/3:120:28:543
1561241994744,2cyclictest1451643-1kworker/3:0H22:18:083
1561241994744,2cyclictest1451643-1kworker/3:0H00:23:533
1561241994743,3cyclictest1451643-1kworker/3:0H22:36:223
1561241994742,3cyclictest1451643-1kworker/3:0H19:26:543
1561237994741,4cyclictest703680-1kworker/2:0H21:15:012
1561230994744,2cyclictest1605563-21kworker/0:022:00:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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