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2026-04-01 - 20:36
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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 Wed Apr 01, 2026 13:03:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
279399230216,12cyclictest0-21swapper/2311:05:2016
279399230216,12cyclictest0-21swapper/2311:05:1916
279399230216,12cyclictest0-21swapper/2311:05:1916
279399215204,7cyclictest0-21swapper/2310:14:5316
279399215204,7cyclictest0-21swapper/2310:14:5316
279399215204,7cyclictest0-21swapper/2310:14:5316
279399214198,12cyclictest0-21swapper/2311:35:2216
279399214198,12cyclictest0-21swapper/2311:35:2116
279399210199,8cyclictest0-21swapper/2311:00:2216
279399210199,8cyclictest0-21swapper/2311:00:2216
279399210199,8cyclictest0-21swapper/2311:00:2216
279399208198,8cyclictest0-21swapper/2312:34:0316
279399208198,8cyclictest0-21swapper/2312:34:0316
279299206199,6cyclictest0-21swapper/2210:25:3615
279299206199,6cyclictest0-21swapper/2210:25:3615
279299206199,6cyclictest0-21swapper/2210:25:3515
279399201192,6cyclictest1-21systemd10:54:1116
279399201192,6cyclictest1-21systemd10:54:1016
279399201192,6cyclictest1-21systemd10:54:1016
279399198191,4cyclictest0-21swapper/2312:40:0116
279399198191,4cyclictest0-21swapper/2312:40:0016
279399197192,4cyclictest0-21swapper/2312:02:4116
279399197192,4cyclictest0-21swapper/2312:02:4116
279399197192,4cyclictest0-21swapper/2312:02:4016
279399197189,6cyclictest0-21swapper/2310:31:4616
279399197189,6cyclictest0-21swapper/2310:31:4516
279399197189,6cyclictest0-21swapper/2310:31:4516
279399196190,4cyclictest9175-21systemd-cgroups11:24:1816
279399196190,4cyclictest9175-21systemd-cgroups11:24:1816
279399196190,4cyclictest9175-21systemd-cgroups11:24:1816
279399196161,27cyclictest0-21swapper/2310:36:5716
279399196161,27cyclictest0-21swapper/2310:36:5616
279399196161,27cyclictest0-21swapper/2310:36:5616
279399195192,2cyclictest0-21swapper/2312:20:4416
279399195192,2cyclictest0-21swapper/2312:20:4416
279399195192,2cyclictest0-21swapper/2312:20:4416
279399195188,5cyclictest0-21swapper/2312:08:4316
279399195188,5cyclictest0-21swapper/2312:08:4316
279399195188,5cyclictest0-21swapper/2312:08:4216
279399195185,7cyclictest0-21swapper/2311:51:1616
279399195185,7cyclictest0-21swapper/2311:51:1616
276999195188,6cyclictest0-21swapper/210:25:3612
276999195188,6cyclictest0-21swapper/210:25:3612
276999195188,6cyclictest0-21swapper/210:25:3612
279399193183,8cyclictest0-21swapper/2310:41:0816
279399193183,8cyclictest0-21swapper/2310:41:0816
279399193183,8cyclictest0-21swapper/2310:41:0816
279299193188,3cyclictest0-21swapper/2210:45:2015
279299193188,3cyclictest0-21swapper/2210:45:2015
276999193187,4cyclictest0-21swapper/210:17:0512
276999193187,4cyclictest0-21swapper/210:17:0512
279399192185,4cyclictest0-21swapper/2311:43:5316
279399192185,4cyclictest0-21swapper/2311:43:5316
279399192185,4cyclictest0-21swapper/2311:43:5316
279399191180,9cyclictest17533-21systemd-cgroups10:56:0616
279399191180,9cyclictest17533-21systemd-cgroups10:56:0616
279399191180,9cyclictest17533-21systemd-cgroups10:56:0516
279399191174,13cyclictest0-21swapper/2311:18:0916
279399191174,13cyclictest0-21swapper/2311:18:0916
279299191177,7cyclictest0-21swapper/2209:28:4815
279299191177,7cyclictest0-21swapper/2209:28:4815
279299191177,7cyclictest0-21swapper/2209:28:4815
279399190182,5cyclictest0-21swapper/2310:45:1416
279399190182,5cyclictest0-21swapper/2310:45:1416
279399190181,7cyclictest0-21swapper/2311:27:0616
279399190181,7cyclictest0-21swapper/2311:27:0616
278799189179,8cyclictest0-21swapper/1708:45:049
278799189179,8cyclictest0-21swapper/1708:45:049
279399188181,5cyclictest0-21swapper/2311:55:0916
279399188181,5cyclictest0-21swapper/2311:55:0916
279399188181,5cyclictest0-21swapper/2311:55:0916
279399188181,5cyclictest0-21swapper/2311:47:1216
279399188181,5cyclictest0-21swapper/2311:47:1216
279399188181,5cyclictest0-21swapper/2311:47:1216
279299188170,14cyclictest17484-21nfsd07:20:2115
279399187180,5cyclictest0-21swapper/2312:27:3916
279399187180,5cyclictest0-21swapper/2312:27:3816
277699187181,4cyclictest0-21swapper/807:49:5938
279399186180,4cyclictest0-21swapper/2311:11:5016
279399186180,4cyclictest0-21swapper/2311:11:4916
279299185173,8cyclictest0-21swapper/2210:13:2415
279299185173,8cyclictest0-21swapper/2210:13:2315
279299185173,8cyclictest0-21swapper/2210:13:2315
279299185173,7cyclictest0-21swapper/2208:28:4715
279299185173,7cyclictest0-21swapper/2208:28:4715
277599185172,2cyclictest0-21swapper/709:48:0837
277599185172,2cyclictest0-21swapper/709:48:0837
277599185172,2cyclictest0-21swapper/709:48:0837
281099184174,8cyclictest0-21swapper/3612:23:4130
281099184174,8cyclictest0-21swapper/3612:23:4130
281099184174,8cyclictest0-21swapper/3612:23:4030
276999184176,6cyclictest0-21swapper/209:39:1212
276999184176,6cyclictest0-21swapper/209:39:1212
276999184176,6cyclictest0-21swapper/209:39:1212
279399183176,5cyclictest0-21swapper/2312:17:3416
279399183176,5cyclictest0-21swapper/2312:17:3416
278199183149,23cyclictest0-21swapper/1309:16:075
278199183149,23cyclictest0-21swapper/1309:16:075
276999183169,10cyclictest0-21swapper/209:12:2712
276999183169,10cyclictest0-21swapper/209:12:2612
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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