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2026-05-12 - 12:23
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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
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Tue May 12, 2026 01:01:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1739399217202,11cyclictest0-21swapper/1420:05:156
1739399217202,11cyclictest0-21swapper/1420:05:156
1739299217208,6cyclictest0-21swapper/1320:15:015
1739299217208,6cyclictest0-21swapper/1320:15:015
1738799217209,3cyclictest3542-21CPU2
1738799217209,3cyclictest3542-21CPU2
1737399215209,3cyclictest0-21swapper/023:20:110
1737399215209,3cyclictest0-21swapper/023:20:110
1740099214210,2cyclictest0-21swapper/1819:35:1710
1740099214210,2cyclictest0-21swapper/1819:35:1710
1737499213202,8cyclictest22050-21cstates19:40:151
1737499213202,8cyclictest22050-21cstates19:40:151
1739399212205,5cyclictest0-21swapper/1400:30:216
1739399212205,5cyclictest0-21swapper/1400:30:216
1738799212207,4cyclictest0-21swapper/1019:25:052
1739399211203,6cyclictest26934-21sshd00:01:186
1739399211203,6cyclictest26934-21sshd00:01:186
1739299209201,6cyclictest0-21swapper/1323:17:525
1739299209201,6cyclictest0-21swapper/1323:17:525
1738799209205,2cyclictest0-21swapper/1019:45:242
1738799209205,2cyclictest0-21swapper/1019:45:242
1739399208203,4cyclictest0-21swapper/1421:11:266
1739399208203,4cyclictest0-21swapper/1421:11:266
1739399208200,4cyclictest37268-21CPU6
1739399208200,4cyclictest37268-21CPU6
1739299207199,6cyclictest0-21swapper/1323:43:535
1739299207199,6cyclictest0-21swapper/1323:43:535
1739299207198,7cyclictest0-21swapper/1322:05:275
1739299207198,7cyclictest0-21swapper/1322:05:275
1737599207199,4cyclictest37269-21CPU12
1737599207199,4cyclictest37269-21CPU12
1739299206199,5cyclictest755-21systemd-journal00:35:345
1739299206199,5cyclictest755-21systemd-journal00:35:345
1738399205201,2cyclictest0-21swapper/821:15:0238
1738399205201,2cyclictest0-21swapper/821:15:0238
1738199205196,7cyclictest0-21swapper/622:45:0336
1738199205196,7cyclictest0-21swapper/622:45:0336
1739399204198,4cyclictest0-21swapper/1400:29:256
1739399204198,4cyclictest0-21swapper/1400:29:256
1739299204193,9cyclictest1-21systemd23:30:115
1739299204193,9cyclictest1-21systemd23:30:115
1738799204199,4cyclictest0-21swapper/1019:25:112
1738799204199,4cyclictest0-21swapper/1019:25:112
1739399202197,4cyclictest0-21swapper/1419:34:236
1739299202195,4cyclictest0-21swapper/1323:51:355
1739299202195,4cyclictest0-21swapper/1323:51:355
1739299202195,4cyclictest0-21swapper/1323:51:355
1740299201195,4cyclictest0-21swapper/2023:27:2113
1740299201195,4cyclictest0-21swapper/2023:27:2113
1739599200195,3cyclictest0-21swapper/1619:15:348
1739599200195,3cyclictest0-21swapper/1619:15:348
1739299200195,3cyclictest23245-21cp00:27:475
1739299200195,3cyclictest23245-21cp00:27:475
1738799200194,4cyclictest0-21swapper/1021:00:032
1738799200194,4cyclictest0-21swapper/1021:00:032
1738399200197,2cyclictest0-21swapper/800:20:0538
1738399200197,2cyclictest0-21swapper/800:20:0438
1740099199195,2cyclictest0-21swapper/1820:35:2810
1740099199195,2cyclictest0-21swapper/1820:35:2810
1739599199192,5cyclictest7034-21systemd23:06:048
1739599199192,5cyclictest7034-21systemd23:06:048
1739599199192,5cyclictest0-21swapper/1622:26:078
1739599199192,5cyclictest0-21swapper/1622:26:078
1738799199194,4cyclictest0-21swapper/1020:50:012
1738799199194,4cyclictest0-21swapper/1020:50:012
1741199198164,29cyclictest19375-21kworker/u81:0+events_unbound21:00:5919
1741199198164,29cyclictest19375-21kworker/u81:0+events_unbound21:00:5919
1739299198189,5cyclictest4407-21CPU5
1739299198189,5cyclictest4407-21CPU5
1738799198191,5cyclictest0-21swapper/1019:45:002
1738799198191,5cyclictest0-21swapper/1019:45:002
1738799198190,6cyclictest0-21swapper/1021:13:532
1738799198190,6cyclictest0-21swapper/1021:13:532
1739399197191,4cyclictest0-21swapper/1419:29:466
1739399197191,4cyclictest0-21swapper/1419:29:466
1739299197192,3cyclictest17484-21nfsd21:18:445
1739299197192,3cyclictest17484-21nfsd21:18:445
1739299197186,9cyclictest0-21swapper/1321:58:375
1739299197186,9cyclictest0-21swapper/1321:58:375
1739299197186,9cyclictest0-21swapper/1321:58:375
1738799197192,4cyclictest0-21swapper/1020:19:342
1738799197192,4cyclictest0-21swapper/1020:19:342
1740899196187,7cyclictest0-21swapper/2421:19:3717
1740899196187,7cyclictest0-21swapper/2421:19:3717
1739599196191,3cyclictest13086-21kill23:45:038
1739599196191,3cyclictest13086-21kill23:45:038
1739599196156,36cyclictest2454-21CPU8
1739599196156,36cyclictest2454-21CPU8
1739299196190,4cyclictest0-21swapper/1323:58:205
1739299196190,4cyclictest0-21swapper/1323:58:205
1739299196189,5cyclictest0-21swapper/1320:55:015
1739299196189,5cyclictest0-21swapper/1320:55:015
1739299196188,6cyclictest0-21swapper/1300:33:105
1739299196188,6cyclictest0-21swapper/1300:33:105
1742199195187,5cyclictest0-21swapper/3221:19:5326
1742199195187,5cyclictest0-21swapper/3221:19:5326
1740599195192,2cyclictest0-21swapper/2220:10:1615
1740599195192,2cyclictest0-21swapper/2220:10:1615
1739299195180,11cyclictest0-21swapper/1319:25:135
1739299195180,11cyclictest0-21swapper/1319:25:135
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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