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2025-09-16 - 22:51
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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 50 highest latencies:
System rackeslot3.osadl.org (updated Tue Sep 16, 2025 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3222000997742,27cyclictest3245749-21kworker/1:008:20:141
3222000997141,28cyclictest3223503-21kworker/1:307:35:171
3222000997042,27cyclictest1181729-1kworker/1:2H07:25:141
3222000996662,2cyclictest0-21swapper/112:21:311
3222000996562,2cyclictest0-21swapper/108:59:581
3222000996559,5cyclictest0-21swapper/111:55:261
3222000996441,21cyclictest3245749-21kworker/1:008:30:161
322200099640,63cyclictest0-21swapper/109:18:571
322200099640,62cyclictest0-21swapper/107:59:021
3222000996360,2cyclictest0-21swapper/109:37:011
3222000996242,18cyclictest3245749-21kworker/1:008:40:131
3222000996227,33cyclictest3245749-21kworker/1:008:35:141
3222000996142,18cyclictest3304893-21kworker/1:211:55:001
3222000996142,17cyclictest3254414-21kworker/1:209:25:011
322200099605,53cyclictest3277458-21fschecks_time09:55:151
3222000996042,17cyclictest3223503-21kworker/1:307:35:001
3222000996040,19cyclictest3230528-1kworker/1:0H12:25:121
3222000996040,18cyclictest3275793-21kworker/1:010:15:001
3222000995944,14cyclictest3275793-21kworker/1:010:25:161
3222000995942,16cyclictest3304893-21kworker/1:211:35:141
3222000995938,19cyclictest3230528-1kworker/1:0H11:20:151
3222000995919,38cyclictest3290077-21kworker/1:110:55:141
3222000995856,1cyclictest0-21swapper/111:01:581
3222000995855,2cyclictest0-21swapper/112:30:301
3222000995843,14cyclictest3322996-21kworker/1:112:15:001
3222000995843,14cyclictest3245749-21kworker/1:008:29:371
3222000995842,15cyclictest3275793-21kworker/1:010:30:131
3222000995840,17cyclictest3304893-21kworker/1:211:45:171
3222000995825,30cyclictest3290077-21kworker/1:110:50:151
322200099580,57cyclictest0-21swapper/109:05:131
3222008995747,6cyclictest483976-1kworker/3:1H10:25:153
3222000995743,14cyclictest3304893-21kworker/1:212:10:011
3222000995742,14cyclictest3304893-21kworker/1:212:05:061
3222000995742,14cyclictest3304893-21kworker/1:212:00:141
3222000995742,14cyclictest3273597-21kworker/1:109:45:161
3222000995742,14cyclictest3254414-21kworker/1:209:34:011
3222000995742,14cyclictest3233771-21kworker/1:107:45:171
3222000995742,14cyclictest3223503-21kworker/1:307:20:021
3222000995741,15cyclictest3254414-21kworker/1:209:00:161
3222000995741,15cyclictest3254414-21kworker/1:208:54:551
3222000995740,16cyclictest3254414-21kworker/1:208:49:541
3222000995739,17cyclictest3290077-21kworker/1:111:15:061
3222000995735,21cyclictest3275793-21kworker/1:010:05:191
3222000995734,22cyclictest3275793-21kworker/1:010:20:161
3222000995642,14cyclictest3275793-21kworker/1:009:54:311
3222000995641,14cyclictest3218855-21kworker/1:107:10:011
3222000995640,15cyclictest3233771-21kworker/1:108:10:161
3222000995639,16cyclictest3290077-21kworker/1:111:05:151
3222000995639,16cyclictest3230528-1kworker/1:0H09:10:381
3222000995639,16cyclictest3223503-21kworker/1:307:16:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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