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2025-12-11 - 01:45
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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 Wed Dec 10, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4075163997343,28cyclictest4176015-21kworker/1:112:15:151
4075163997138,31cyclictest4089161-21kworker/1:207:50:171
4075163997034,34cyclictest4164331-21kworker/1:212:10:141
4075163996638,27cyclictest4157894-21kworker/1:211:25:151
407516399663,1cyclictest0-21swapper/112:38:591
4075163996538,26cyclictest4152972-21kworker/1:011:05:131
4075163996537,27cyclictest4105065-21kworker/1:209:05:161
4075163996537,26cyclictest2000280-1kworker/1:1H10:45:171
4075163996535,29cyclictest4152972-21kworker/1:011:20:001
4075163996461,2cyclictest0-21swapper/110:55:301
4075163996442,21cyclictest2000280-1kworker/1:1H09:25:061
4075163996440,22cyclictest2000280-1kworker/1:1H11:20:151
4075163996438,24cyclictest4117330-21kworker/1:009:35:141
407516399640,63cyclictest0-21swapper/109:44:131
407516399640,1cyclictest0-21swapper/111:43:191
4075163996332,29cyclictest2000280-1kworker/1:1H08:40:181
407516399630,1cyclictest0-21swapper/111:38:551
4075163996259,2cyclictest0-21swapper/112:28:541
4075163996252,6cyclictest0-21swapper/112:34:431
4075163996243,18cyclictest4148151-21kworker/1:210:50:151
4075163996242,18cyclictest2000280-1kworker/1:1H09:00:061
4075163996237,24cyclictest4089161-21kworker/1:208:10:131
4075163996234,27cyclictest4114859-21kworker/1:109:10:151
407516399620,61cyclictest0-21swapper/111:55:051
4075167996145,3cyclictest614388-1kworker/3:2H10:10:163
4075163996159,1cyclictest0-21swapper/107:18:491
4075163996140,19cyclictest4117330-21kworker/1:010:05:171
407516399610,60cyclictest0-21swapper/110:15:251
4075163996044,15cyclictest4098919-21kworker/1:008:25:141
4075163996031,28cyclictest4138414-21kworker/1:210:20:141
4075163995942,16cyclictest4098919-21kworker/1:008:35:161
4075163995941,17cyclictest4152972-21kworker/1:011:10:131
4075163995940,18cyclictest2000280-1kworker/1:1H07:45:051
4075163995937,19cyclictest4140588-21kworker/1:110:25:141
4075163995934,24cyclictest2000280-1kworker/1:1H11:00:221
4075163995932,25cyclictest2000280-1kworker/1:1H07:10:161
4075163995843,14cyclictest4164331-21kworker/1:211:50:161
4075163995843,14cyclictest4129206-21kworker/1:109:50:151
4075163995842,15cyclictest4117330-21kworker/1:009:30:141
4075163995842,15cyclictest4060520-21kworker/1:207:25:161
4075163995834,23cyclictest4098919-21kworker/1:008:20:151
4075163995834,22cyclictest2000280-1kworker/1:1H12:20:141
4075163995743,14cyclictest4126812-21kworker/1:209:49:151
4075163995742,14cyclictest4117330-21kworker/1:010:10:161
4075163995742,14cyclictest4107036-21kworker/1:108:45:171
4075163995742,14cyclictest4082028-21kworker/1:107:35:181
4075163995741,15cyclictest4143219-21kworker/1:010:35:151
4075163995739,17cyclictest4117330-21kworker/1:010:00:141
4075163995734,22cyclictest4089161-21kworker/1:208:05:141
407516399571,54cyclictest0-21swapper/107:24:551
407516399570,55cyclictest0-21swapper/111:30:131
4075164995651,3cyclictest99490-1kworker/2:2H07:26:182
4075163995641,14cyclictest4164331-21kworker/1:211:45:151
4075163995641,14cyclictest4140588-21kworker/1:110:30:061
4075163995641,14cyclictest4117330-21kworker/1:009:55:091
4075163995641,14cyclictest4114859-21kworker/1:109:15:161
4075163995641,14cyclictest4082028-21kworker/1:107:40:181
4075163995640,15cyclictest4105065-21kworker/1:208:55:281
4075163995640,15cyclictest4105065-21kworker/1:208:55:281
407516399561,53cyclictest4082656-21fschecks_count07:30:161
407516399560,54cyclictest0-21swapper/112:00:141
4075164995549,4cyclictest99490-1kworker/2:2H10:25:002
4075163995540,14cyclictest4096731-21kworker/1:108:18:571
4075163995540,14cyclictest4089161-21kworker/1:208:00:151
4075163995539,15cyclictest4089161-21kworker/1:207:55:141
4075164995450,3cyclictest99490-1kworker/2:2H12:35:262
4075164995447,4cyclictest99490-1kworker/2:2H08:45:002
4075163995439,14cyclictest4117330-21kworker/1:009:21:491
4075163995439,14cyclictest4105065-21kworker/1:208:50:141
4075163995439,14cyclictest4098919-21kworker/1:008:31:081
4075167995347,3cyclictest614388-1kworker/3:2H09:25:133
4075164995349,2cyclictest4056675-21kworker/2:007:49:222
4075164995248,2cyclictest4101606-21kworker/2:108:55:462
4075164995248,2cyclictest4101606-21kworker/2:108:55:452
4075164995247,3cyclictest4101606-21kworker/2:110:29:182
4075164995247,3cyclictest4101606-21kworker/2:110:19:172
4075163995237,14cyclictest4143219-21kworker/1:010:40:171
4075167995146,3cyclictest4177669-21kworker/3:112:35:143
4075167995146,3cyclictest4099935-21kworker/3:208:39:543
4075164995148,2cyclictest4146532-21kworker/2:211:24:492
4075164995148,2cyclictest4101606-21kworker/2:109:43:442
4075164995148,2cyclictest4056675-21kworker/2:008:19:302
4075164995147,3cyclictest4056675-21kworker/2:007:51:362
4075164995147,2cyclictest4101606-21kworker/2:109:23:182
4075164995147,2cyclictest4101606-21kworker/2:108:51:182
4075164995146,3cyclictest99490-1kworker/2:2H11:59:372
4075164995146,3cyclictest4146532-21kworker/2:211:17:062
4075164995146,3cyclictest4101606-21kworker/2:108:45:172
407516399511,48cyclictest0-21swapper/112:05:131
4075161995148,2cyclictest4154589-21kworker/0:211:31:280
4075161995148,2cyclictest4144843-21kworker/0:310:42:490
4075161995147,2cyclictest4093435-21kworker/0:108:24:090
4075161995146,3cyclictest1751615-1kworker/0:0H08:55:170
4075161995146,3cyclictest1751615-1kworker/0:0H08:55:170
4075167995045,3cyclictest614388-1kworker/3:2H10:31:073
4075167995045,3cyclictest614388-1kworker/3:2H10:03:443
4075164995047,2cyclictest4056675-21kworker/2:007:14:522
4075164995046,2cyclictest4146532-21kworker/2:211:03:182
4075164995046,2cyclictest4146532-21kworker/2:210:58:182
4075164995046,2cyclictest4146532-21kworker/2:210:54:302
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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