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2026-08-07 - 05:00
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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 Fri Aug 07, 2026 01:01:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3729999249243,3cyclictest0-21swapper/3523:20:1929
3729999249243,3cyclictest0-21swapper/3523:20:1929
3729399242237,3cyclictest23788-21kworker/u81:6+events_unbound22:28:3122
3729399242237,3cyclictest23788-21kworker/u81:6+events_unbound22:28:3022
3728099232214,13cyclictest0-21swapper/1920:10:0011
3728099232214,13cyclictest0-21swapper/1920:10:0011
3724799231206,14cyclictest0-21swapper/521:10:5335
3724799231206,14cyclictest0-21swapper/521:10:5235
3726299229210,12cyclictest0-21swapper/1200:00:134
3726299229210,12cyclictest0-21swapper/1200:00:134
3726299229210,12cyclictest0-21swapper/1200:00:124
3727599220215,3cyclictest0-21swapper/1522:20:217
3727599220215,3cyclictest0-21swapper/1522:20:217
3727599220215,3cyclictest0-21swapper/1522:20:217
3725599219214,3cyclictest0-21swapper/1020:35:172
3725599219214,3cyclictest0-21swapper/1020:35:162
3727899218193,20cyclictest0-21swapper/1822:50:2310
3727899218193,20cyclictest0-21swapper/1822:50:2210
3728099216208,4cyclictest16029-21systemd-cgroups22:56:0811
3728099216208,4cyclictest16029-21systemd-cgroups22:56:0811
3728099216208,4cyclictest16029-21systemd-cgroups22:56:0811
3727899216200,11cyclictest0-21swapper/1822:40:1910
3727899216200,11cyclictest0-21swapper/1822:40:1910
3724799215209,4cyclictest0-21swapper/521:20:2035
3724799215209,4cyclictest0-21swapper/521:20:2035
3724799213201,9cyclictest0-21swapper/522:15:1535
3724799213201,9cyclictest0-21swapper/522:15:1535
3728699212207,2cyclictest0-21swapper/2520:15:2018
3728699212207,2cyclictest0-21swapper/2520:15:2018
3724899211199,10cyclictest0-21swapper/620:35:0636
3724899211199,10cyclictest0-21swapper/620:35:0636
3724799210206,2cyclictest25345-21systemd-cgroups21:50:2935
3724799210206,2cyclictest25345-21systemd-cgroups21:50:2935
3725599209204,3cyclictest0-21swapper/1021:01:102
3725599209204,3cyclictest0-21swapper/1021:01:102
3724799209203,4cyclictest0-21swapper/522:32:2335
3724799209203,4cyclictest0-21swapper/522:32:2235
3724799209195,11cyclictest0-21swapper/522:00:1435
3724799209195,11cyclictest0-21swapper/522:00:1335
3728099208203,4cyclictest0-21swapper/1922:53:0511
3728099208203,4cyclictest0-21swapper/1922:53:0511
3728099207197,8cyclictest0-21swapper/1919:25:1811
3728099207197,8cyclictest0-21swapper/1919:25:1711
3724799207201,4cyclictest0-21swapper/521:30:5035
3724799207201,4cyclictest0-21swapper/521:30:4935
3724399207204,2cyclictest0-21swapper/200:00:0012
3724399207204,2cyclictest0-21swapper/200:00:0012
3724399207204,2cyclictest0-21swapper/200:00:0012
3728099205195,5cyclictest2464-21CPU11
3724599205199,3cyclictest0-21swapper/322:15:1823
3724599205199,3cyclictest0-21swapper/322:15:1723
3728099204196,6cyclictest0-21swapper/1923:00:5811
3728099204196,6cyclictest0-21swapper/1923:00:5811
3724799204198,3cyclictest17484-21nfsd22:35:3335
3724799204198,3cyclictest17484-21nfsd22:35:3335
3728099203198,4cyclictest0-21swapper/1923:13:1211
3728099203198,4cyclictest0-21swapper/1923:13:1211
3728099203194,6cyclictest0-21swapper/1919:40:2111
3728099203194,6cyclictest0-21swapper/1919:40:2111
3724799203197,5cyclictest0-21swapper/522:21:5135
3724799203197,5cyclictest0-21swapper/522:21:5135
3724799203197,5cyclictest0-21swapper/522:21:5135
3724799203187,10cyclictest0-21swapper/521:56:5735
3724799203187,10cyclictest0-21swapper/521:56:5735
3728099202198,2cyclictest0-21swapper/1919:36:4411
3728099202198,2cyclictest0-21swapper/1919:36:4411
3726199202157,42cyclictest0-21swapper/1121:59:413
3726199202157,42cyclictest0-21swapper/1121:59:413
3724799202197,4cyclictest0-21swapper/522:25:3135
3724799202197,4cyclictest0-21swapper/522:25:3135
3729199201173,22cyclictest0-21swapper/2822:26:4021
3729199201173,22cyclictest0-21swapper/2822:26:4021
3728099201197,2cyclictest10227-21sshd23:27:2211
3728099201197,2cyclictest10227-21sshd23:27:2111
3724799201194,5cyclictest0-21swapper/521:15:5335
3724799201194,5cyclictest0-21swapper/521:15:5335
3724799201194,5cyclictest0-21swapper/521:15:5335
3728599200189,10cyclictest0-21swapper/2420:10:3617
3728599200189,10cyclictest0-21swapper/2420:10:3617
3728099200192,5cyclictest0-21swapper/1919:55:2311
3728099200192,5cyclictest0-21swapper/1919:55:2311
3728099200182,14cyclictest0-21swapper/1920:35:2211
3728099200182,14cyclictest0-21swapper/1920:35:2211
3726299200173,12cyclictest0-21swapper/1222:09:114
3726299200173,12cyclictest0-21swapper/1222:09:114
3724799200194,4cyclictest17482-21nfsd21:45:1535
3724799200194,4cyclictest17482-21nfsd21:45:1435
3724799200194,4cyclictest0-21swapper/522:05:3135
3724799200194,4cyclictest0-21swapper/522:05:3135
3729599199195,2cyclictest0-21swapper/3120:45:1725
3729599199195,2cyclictest0-21swapper/3120:45:1625
3728099199193,4cyclictest0-21swapper/1923:31:0611
3728099199193,4cyclictest0-21swapper/1923:31:0611
3724799199189,6cyclictest3545-21CPU35
3724799199189,6cyclictest3545-21CPU35
3724799199187,5cyclictest0-21swapper/523:31:0035
3724799199187,5cyclictest0-21swapper/523:31:0035
3728099198193,4cyclictest0-21swapper/1919:45:2011
3728099198193,4cyclictest0-21swapper/1919:45:2011
3728099198191,5cyclictest0-21swapper/1919:20:2011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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