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2026-06-17 - 08:25
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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 Wed Jun 17, 2026 01:02:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1091499221204,12cyclictest37265-21CPU33
1087799219210,7cyclictest0-21swapper/622:45:1236
1087799219210,7cyclictest0-21swapper/622:45:1136
1090599210169,30cyclictest0-21swapper/3121:35:2225
1090599210169,30cyclictest0-21swapper/3121:35:2125
1091499204185,8cyclictest0-21swapper/3921:00:4733
1091499204185,8cyclictest0-21swapper/3921:00:4733
1090599201188,8cyclictest0-21swapper/3121:45:1625
1090599201188,8cyclictest0-21swapper/3121:45:1625
1090599201188,8cyclictest0-21swapper/3121:45:1625
1090599200183,12cyclictest13913-21sshd21:20:1125
1090599200183,12cyclictest13913-21sshd21:20:1125
1087799199184,13cyclictest0-21swapper/623:00:5836
1087799199184,13cyclictest0-21swapper/623:00:5836
1087799199183,13cyclictest0-21swapper/622:50:2736
1087799199183,13cyclictest0-21swapper/622:50:2736
1090599198174,13cyclictest0-21swapper/3123:17:3825
1090599198174,13cyclictest0-21swapper/3123:17:3725
1091499197193,2cyclictest0-21swapper/3920:50:0133
1090599196183,7cyclictest0-21swapper/3121:33:5025
1090599196183,7cyclictest0-21swapper/3121:33:5025
1090599196183,7cyclictest0-21swapper/3121:33:5025
1090599195165,18cyclictest0-21swapper/3121:10:5625
1090599195165,18cyclictest0-21swapper/3121:10:5625
1091499193188,4cyclictest0-21swapper/3921:00:0233
1091499193188,4cyclictest0-21swapper/3921:00:0233
1088899191160,14cyclictest0-21swapper/1620:36:108
1088899191160,14cyclictest0-21swapper/1620:36:098
1088199191181,4cyclictest37268-21CPU2
1088199191181,4cyclictest37268-21CPU2
1087799191184,5cyclictest0-21swapper/622:57:1636
1087799191184,5cyclictest0-21swapper/622:57:1536
1087799191184,5cyclictest0-21swapper/622:57:1536
1091099189171,13cyclictest1367-21dbus-daemon22:20:5130
1091099189171,13cyclictest1367-21dbus-daemon22:20:5130
1091099189171,13cyclictest1367-21dbus-daemon22:20:5030
1089599189185,2cyclictest0-21swapper/2221:40:2815
1089599189185,2cyclictest0-21swapper/2221:40:2815
1089599189185,2cyclictest0-21swapper/2221:40:2715
1091299186145,25cyclictest0-21swapper/3700:39:3931
1091299186145,25cyclictest0-21swapper/3700:39:3831
1091299186145,25cyclictest0-21swapper/3700:39:3831
1091099186183,2cyclictest0-21swapper/3621:21:5730
1091099186183,2cyclictest0-21swapper/3621:21:5730
1091099186180,4cyclictest0-21swapper/3622:55:4530
1091099186180,4cyclictest0-21swapper/3622:55:4530
1091099186180,4cyclictest0-21swapper/3622:55:4530
1087799186176,5cyclictest0-21swapper/622:41:4236
1087799186176,5cyclictest0-21swapper/622:41:4236
1087799186171,13cyclictest0-21swapper/622:39:3136
1087799186171,13cyclictest0-21swapper/622:39:3136
1090799185163,19cyclictest0-21swapper/3321:44:4727
1090799185163,19cyclictest0-21swapper/3321:44:4627
1090799185163,19cyclictest0-21swapper/3321:44:4627
1090599185170,9cyclictest0-21swapper/3121:19:5625
1090599185170,9cyclictest0-21swapper/3121:19:5625
10900991851,72cyclictest22639-21sshd21:45:1319
10900991851,72cyclictest22639-21sshd21:45:1319
10900991851,72cyclictest22639-21sshd21:45:1219
1089999184158,23cyclictest0-21swapper/2522:23:3018
1089999184158,23cyclictest0-21swapper/2522:23:2918
1089999184158,23cyclictest0-21swapper/2522:23:2918
1088199184177,4cyclictest0-21swapper/1019:20:102
1088199184177,4cyclictest0-21swapper/1019:20:102
1087299184163,16cyclictest2462-21CPU23
1087299184163,16cyclictest2462-21CPU23
1087299184163,16cyclictest2462-21CPU23
1091099183170,8cyclictest37270-21CPU30
1091099183170,8cyclictest37270-21CPU30
1091099183167,14cyclictest0-21swapper/3619:35:2230
1091099183167,14cyclictest0-21swapper/3619:35:2230
1091099183159,14cyclictest0-21swapper/3622:10:5030
1091099183159,14cyclictest0-21swapper/3622:10:5030
1091099183159,14cyclictest0-21swapper/3622:10:4930
1090599183176,5cyclictest0-21swapper/3121:42:0225
1090599183176,5cyclictest0-21swapper/3121:42:0225
1090599183176,5cyclictest0-21swapper/3121:42:0125
1091499182176,2cyclictest0-21swapper/3922:42:2833
1091499182176,2cyclictest0-21swapper/3922:42:2833
1090599182173,3cyclictest37356-21CPU25
1090599182173,3cyclictest37356-21CPU25
1090099182151,25cyclictest0-21swapper/2621:18:2619
1090099182151,25cyclictest0-21swapper/2621:18:2519
1088199182175,5cyclictest0-21swapper/1019:26:582
1088199182175,5cyclictest0-21swapper/1019:26:572
1087099182173,6cyclictest0-21swapper/223:10:1312
1087099182173,6cyclictest0-21swapper/223:10:1312
1089399181143,32cyclictest0-21swapper/2122:48:1714
1089399181143,32cyclictest0-21swapper/2122:48:1714
1088199181175,4cyclictest0-21swapper/1019:15:302
1088199181175,4cyclictest0-21swapper/1019:15:302
1087799181173,5cyclictest0-21swapper/621:02:3836
1087799181173,5cyclictest0-21swapper/621:02:3836
1091499180174,4cyclictest0-21swapper/3920:44:4533
1091499180174,4cyclictest0-21swapper/3920:44:4433
1091099180161,16cyclictest2456-21CPU30
1091099180161,16cyclictest2456-21CPU30
1088799180172,4cyclictest0-21swapper/1522:02:057
1088799180172,4cyclictest0-21swapper/1522:02:047
1091099178164,12cyclictest0-21swapper/3620:35:1530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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