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2025-06-19 - 12:51
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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
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Thu Jun 19, 2025 01:01:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
70999252247,3cyclictest0-21swapper/3200:10:1226
70999252247,3cyclictest0-21swapper/3200:10:1226
70999252247,3cyclictest0-21swapper/3200:10:1226
668992492,243cyclictest30907-21TaskSchedulerSi00:20:217
668992492,243cyclictest30907-21TaskSchedulerSi00:20:217
70999233212,10cyclictest18653-21inotify_reader20:25:2126
65099212182,11cyclictest0-21swapper/421:18:1234
65099212182,11cyclictest0-21swapper/421:18:1234
65099212182,11cyclictest0-21swapper/421:18:1234
7109921039,168cyclictest0-21swapper/3300:00:0027
7109921039,168cyclictest0-21swapper/3300:00:0027
7109921039,168cyclictest0-21swapper/3300:00:0027
6459920912,182cyclictest32988-21inotify_reader00:05:1912
6459920912,182cyclictest32988-21inotify_reader00:05:1912
67299208200,5cyclictest0-21swapper/1921:25:0011
67299208200,5cyclictest0-21swapper/1921:25:0011
657991991,5cyclictest27470-21inotify_reader21:25:222
657991991,5cyclictest27470-21inotify_reader21:25:222
65299199144,46cyclictest0-21swapper/623:08:1536
65299199144,46cyclictest0-21swapper/623:08:1436
65299199144,46cyclictest0-21swapper/623:08:1436
70999194176,16cyclictest0-21swapper/3200:27:2726
70999194176,16cyclictest0-21swapper/3200:27:2726
70999194176,16cyclictest0-21swapper/3200:27:2726
65299193140,36cyclictest0-21swapper/600:38:1736
65299193140,36cyclictest0-21swapper/600:38:1736
65299193140,36cyclictest0-21swapper/600:38:1736
65199193182,9cyclictest23391-21kworker/u81:3-events_unbound22:33:4635
65199193182,9cyclictest23391-21kworker/u81:3-events_unbound22:33:4635
705991911,97cyclictest0-21swapper/2900:25:1922
705991911,97cyclictest0-21swapper/2900:25:1922
705991911,97cyclictest0-21swapper/2900:25:1922
663991911,21cyclictest0-21swapper/1200:25:194
663991911,21cyclictest0-21swapper/1200:25:194
663991911,21cyclictest0-21swapper/1200:25:194
70999189171,12cyclictest0-21swapper/3223:40:1226
70999189171,12cyclictest0-21swapper/3223:40:1226
7109918894,90cyclictest3079-21CPU27
7109918894,90cyclictest3079-21CPU27
705991881,92cyclictest0-21swapper/2900:20:2122
705991881,92cyclictest0-21swapper/2900:20:2122
65399188175,11cyclictest0-21swapper/719:48:0737
65399188175,11cyclictest0-21swapper/719:48:0737
652991881,181cyclictest37454-21NetworkChangeNo19:10:2136
652991881,181cyclictest37454-21NetworkChangeNo19:10:2136
64299186122,50cyclictest0-21swapper/022:26:410
64299186122,50cyclictest0-21swapper/022:26:410
705991851,61cyclictest0-21swapper/2900:05:1222
705991851,61cyclictest0-21swapper/2900:05:1222
67999185170,7cyclictest0-21swapper/2323:19:0416
67999185170,7cyclictest0-21swapper/2323:19:0416
67999185170,7cyclictest0-21swapper/2323:19:0416
66699185172,12cyclictest0-21swapper/1421:49:076
66699185172,12cyclictest0-21swapper/1421:49:076
645991851,141cyclictest0-21swapper/221:30:1812
645991851,141cyclictest0-21swapper/221:30:1712
67599183163,14cyclictest0-21swapper/2000:38:3713
67599183163,14cyclictest0-21swapper/2000:38:3713
67599183163,14cyclictest0-21swapper/2000:38:3713
652991831,176cyclictest0-21swapper/600:00:2336
652991831,176cyclictest0-21swapper/600:00:2336
652991831,176cyclictest0-21swapper/600:00:2336
7059918295,57cyclictest24344-21inotify_reader22:30:1822
7059918295,57cyclictest24344-21inotify_reader22:30:1822
67599182174,7cyclictest0-21swapper/2021:05:5613
67599182174,7cyclictest0-21swapper/2021:05:5613
67599182174,7cyclictest0-21swapper/2021:05:5613
68299181145,4cyclictest0-21swapper/2619:24:4019
68299181145,4cyclictest0-21swapper/2619:24:4019
67599181163,15cyclictest0-21swapper/2000:30:0213
67599181163,15cyclictest0-21swapper/2000:30:0113
67599181163,15cyclictest0-21swapper/2000:30:0113
7089918017,156cyclictest11900-21CPU25
7089918017,156cyclictest11900-21CPU25
67599180171,8cyclictest0-21swapper/2000:22:4313
67599180171,8cyclictest0-21swapper/2000:22:4313
67599180167,12cyclictest0-21swapper/2019:20:0313
67599180167,12cyclictest0-21swapper/2019:20:0313
6819917945,95cyclictest26829-21inotify_reader21:35:2018
6819917945,95cyclictest26829-21inotify_reader21:35:2018
6579917921,96cyclictest11322-21NetworkChangeNo23:45:242
6579917921,96cyclictest11322-21NetworkChangeNo23:45:242
65399179128,23cyclictest0-21swapper/723:02:2937
65399179128,23cyclictest0-21swapper/723:02:2937
65399179128,23cyclictest0-21swapper/723:02:2937
65399178132,15cyclictest0-21swapper/700:14:0637
65399178132,15cyclictest0-21swapper/700:14:0637
65399178132,15cyclictest0-21swapper/700:14:0637
65399178103,47cyclictest11903-21CPU37
65399178103,47cyclictest11903-21CPU37
7109917726,127cyclictest24378-21TaskSchedulerSi00:20:2127
7109917726,127cyclictest24378-21TaskSchedulerSi00:20:2127
70999177165,10cyclictest0-21swapper/3221:07:4726
70999177165,10cyclictest0-21swapper/3221:07:4726
70999177165,10cyclictest0-21swapper/3221:07:4726
70999177145,10cyclictest0-21swapper/3221:51:0226
70999177145,10cyclictest0-21swapper/3221:51:0226
70999177145,10cyclictest0-21swapper/3221:51:0226
668991776,152cyclictest31939-21TaskSchedulerSi23:45:267
668991776,152cyclictest31939-21TaskSchedulerSi23:45:257
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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