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2026-03-12 - 14:25
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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 Thu Mar 12, 2026 13:04:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
887099219209,8cyclictest0-21swapper/2508:30:1418
887099219209,8cyclictest0-21swapper/2508:30:1418
886399203154,39cyclictest0-21swapper/1911:30:3411
886399203154,39cyclictest0-21swapper/1911:30:3311
886399203154,39cyclictest0-21swapper/1911:30:3311
885799203196,5cyclictest0-21swapper/1311:07:575
885799203196,5cyclictest0-21swapper/1311:07:575
885799203196,5cyclictest0-21swapper/1311:07:575
886799202193,7cyclictest0-21swapper/2207:21:2915
885199202197,3cyclictest0-21swapper/907:10:1339
885199202197,3cyclictest0-21swapper/907:10:1339
888099200191,7cyclictest0-21swapper/3308:45:1927
888099200191,7cyclictest0-21swapper/3308:45:1827
884699200195,4cyclictest0-21swapper/510:09:5235
884699200195,4cyclictest0-21swapper/510:09:5235
884699200195,4cyclictest0-21swapper/510:09:5135
887099199192,5cyclictest0-21swapper/2512:01:4718
887099199192,5cyclictest0-21swapper/2512:01:4718
885799198178,12cyclictest19988-21cups-browsed10:54:355
885799198178,12cyclictest19988-21cups-browsed10:54:355
885799194188,4cyclictest0-21swapper/1312:26:195
885799194188,4cyclictest0-21swapper/1312:26:195
888099193174,11cyclictest0-21swapper/3307:20:0027
888099193174,11cyclictest0-21swapper/3307:20:0027
887099193179,10cyclictest0-21swapper/2507:30:1918
887099193179,10cyclictest0-21swapper/2507:30:1918
885799192182,6cyclictest0-21swapper/1311:12:285
885799192182,6cyclictest0-21swapper/1311:12:285
885799190181,7cyclictest0-21swapper/1311:45:205
885799190181,7cyclictest0-21swapper/1311:45:205
885799190181,7cyclictest0-21swapper/1311:45:205
884599190180,5cyclictest0-21swapper/412:32:3434
884599190180,5cyclictest0-21swapper/412:32:3334
887099187179,6cyclictest0-21swapper/2512:06:5618
887099187179,6cyclictest0-21swapper/2512:06:5518
887099187179,6cyclictest0-21swapper/2512:06:5518
887099186173,9cyclictest1442-21gdbus12:37:3918
887099186173,9cyclictest1442-21gdbus12:37:3918
887099186173,9cyclictest1442-21gdbus12:37:3918
887099186172,12cyclictest0-21swapper/2507:15:3518
887099186172,12cyclictest0-21swapper/2507:15:3518
887099186160,18cyclictest2327-21qemu-system-x8607:22:4818
884799185173,7cyclictest0-21swapper/609:50:3236
884799185173,7cyclictest0-21swapper/609:50:3236
884799185173,7cyclictest0-21swapper/609:50:3136
884599185178,5cyclictest0-21swapper/409:37:0034
884599185178,5cyclictest0-21swapper/409:37:0034
884599185178,5cyclictest0-21swapper/409:37:0034
885799184173,8cyclictest1367-21dbus-daemon10:50:025
885799184173,8cyclictest1367-21dbus-daemon10:50:015
885799184173,8cyclictest1367-21dbus-daemon10:50:015
885799184172,6cyclictest0-21swapper/1308:50:035
885799184172,6cyclictest0-21swapper/1308:50:035
887699183141,37cyclictest0-21swapper/3009:52:5424
887699183141,37cyclictest0-21swapper/3009:52:5424
887699183141,37cyclictest0-21swapper/3009:52:5424
887699183135,31cyclictest0-21swapper/3010:07:1724
887699183135,31cyclictest0-21swapper/3010:07:1724
887699183135,31cyclictest0-21swapper/3010:07:1724
885799183178,4cyclictest0-21swapper/1308:21:195
885799183178,4cyclictest0-21swapper/1308:21:195
885799183174,3cyclictest3548-21CPU5
885799183174,3cyclictest3548-21CPU5
885799183174,3cyclictest3548-21CPU5
886699182151,16cyclictest171rcu_preempt09:25:3514
886699182151,16cyclictest171rcu_preempt09:25:3514
886699182151,16cyclictest171rcu_preempt09:25:3514
885799182170,8cyclictest3547-21CPU5
885799182170,8cyclictest3547-21CPU5
884699182178,2cyclictest0-21swapper/509:31:5035
884699182178,2cyclictest0-21swapper/509:31:4935
884699182178,2cyclictest0-21swapper/509:31:4935
887699181150,28cyclictest0-21swapper/3009:58:0824
887699181150,28cyclictest0-21swapper/3009:58:0724
887699181150,28cyclictest0-21swapper/3009:58:0724
887099181175,3cyclictest0-21swapper/2508:55:2018
887099181175,3cyclictest0-21swapper/2508:55:2018
887099181166,11cyclictest0-21swapper/2510:05:4518
887099181166,11cyclictest0-21swapper/2510:05:4518
887099181166,11cyclictest0-21swapper/2510:05:4518
886799181177,3cyclictest0-21swapper/2210:02:3615
886799181177,3cyclictest0-21swapper/2210:02:3515
885799181174,5cyclictest1-21systemd11:53:215
885799181174,5cyclictest1-21systemd11:53:205
885799181173,6cyclictest0-21swapper/1312:35:285
885799181173,6cyclictest0-21swapper/1312:35:285
885799181173,6cyclictest0-21swapper/1312:35:285
885799181173,5cyclictest3542-21CPU5
885799181173,5cyclictest3542-21CPU5
885799181171,8cyclictest0-21swapper/1312:12:565
885799181171,8cyclictest0-21swapper/1312:12:565
885799181171,8cyclictest0-21swapper/1312:12:565
885799181170,10cyclictest0-21swapper/1312:20:315
885799181170,10cyclictest0-21swapper/1312:20:315
885799181165,9cyclictest0-21swapper/1308:50:195
885799181165,9cyclictest0-21swapper/1308:50:195
88619918083,91cyclictest17482-21nfsd10:25:169
88619918083,91cyclictest17482-21nfsd10:25:169
88619918083,91cyclictest17482-21nfsd10:25:169
885799179168,9cyclictest0-21swapper/1309:52:395
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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