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2026-05-06 - 00:25
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot7.osadl.org (updated Tue May 05, 2026 12:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4156441997416,39cyclictest4162182-21/usr/sbin/munin07:20:016
4156441997233,39cyclictest1086-21runrttasks09:08:126
4156441997213,19cyclictest0-21swapper/610:36:116
4156441997132,39cyclictest0-21swapper/608:00:536
4156441997132,19cyclictest0-21swapper/610:46:056
4156441997131,19cyclictest0-21swapper/611:08:066
4156441997011,19cyclictest0-21swapper/609:03:196
4156441996930,39cyclictest0-21swapper/609:21:566
4156441996829,39cyclictest0-21swapper/612:22:016
4156441996829,39cyclictest0-21swapper/611:36:336
4156441996829,39cyclictest0-21swapper/609:27:216
4156441996829,20cyclictest6776-21cut08:30:016
4156441996829,19cyclictest0-21swapper/612:05:526
4156441996828,19cyclictest0-21swapper/611:41:046
4156441996728,39cyclictest0-21swapper/608:37:256
4156441996728,19cyclictest0-21swapper/608:23:446
4156441996727,39cyclictest0-21swapper/612:36:096
4156441996727,21cyclictest0-21swapper/610:58:566
415644199665,39cyclictest1-21systemd12:00:006
4156441996627,19cyclictest0-21swapper/609:54:406
415644199645,59cyclictest4170353-21munin-run07:35:016
415644199645,40cyclictest4167347-21taskset07:28:026
415644199644,19cyclictest0-21swapper/611:19:586
4156441996425,18cyclictest0-21swapper/611:28:236
4156441996424,19cyclictest0-21swapper/612:18:266
4156441996325,38cyclictest0-21swapper/610:29:046
4156441996324,39cyclictest0-21swapper/612:11:276
4156441996324,0cyclictest0-21swapper/609:13:036
415644199624,39cyclictest51632-21grep09:55:256
415644199620,40cyclictest236199-21snmpd08:41:406
4156441996122,19cyclictest0-21swapper/607:41:036
4156441996122,18cyclictest0-21swapper/612:29:426
4156441996121,19cyclictest0-21swapper/608:31:066
4156441996121,19cyclictest0-21swapper/608:19:366
4156441996021,39cyclictest0-21swapper/607:50:476
4156441996021,19cyclictest0-21swapper/612:00:076
4156441996021,0cyclictest0-21swapper/608:14:236
4156441996020,40cyclictest0-21swapper/610:40:466
4156441995920,39cyclictest7850ktimers/610:11:116
4156441995818,39cyclictest20766-21/usr/sbin/munin08:55:166
415644199580,39cyclictest1-21systemd11:15:016
4156436995820,38cyclictest872-21mta-sts-daemon07:20:161
4156441995617,39cyclictest77795-21ntp_states10:50:216
4156441995617,39cyclictest77795-21ntp_states10:50:206
4156439995637,19cyclictest1086-21runrttasks12:00:154
4156441995517,19cyclictest49042-21munin-run09:50:016
4156441995514,20cyclictest0-21swapper/608:07:166
415644199550,55cyclictest0-21swapper/611:00:216
4156439995517,19cyclictest1086-21runrttasks07:40:164
4156441995414,39cyclictest0-21swapper/611:50:256
4156441995414,39cyclictest0-21swapper/610:05:526
4156441995414,20cyclictest0-21swapper/610:31:066
4156441995414,20cyclictest0-21swapper/609:19:146
4156441995414,20cyclictest0-21swapper/607:48:366
4156441995414,20cyclictest0-21swapper/607:10:486
4156441995414,0cyclictest0-21swapper/610:00:236
415644199540,14cyclictest0-21swapper/611:45:036
4156440995414,19cyclictest0-21swapper/509:00:165
4156441995331,19cyclictest0-21swapper/607:38:066
4156441995314,39cyclictest0-21swapper/609:35:336
4156441995314,39cyclictest0-21swapper/609:33:166
4156441995314,39cyclictest0-21swapper/608:53:276
4156441995314,0cyclictest0-21swapper/612:32:226
4156441995313,39cyclictest0-21swapper/607:55:366
4156440995314,39cyclictest0-21swapper/510:05:165
4156441995213,39cyclictest0-21swapper/611:31:286
4156441995213,39cyclictest0-21swapper/611:23:526
4156441995213,39cyclictest0-21swapper/610:21:416
4156441995213,39cyclictest0-21swapper/608:45:336
4156441995213,39cyclictest0-21swapper/607:21:416
4156441995213,19cyclictest0-21swapper/610:16:046
4156441995212,39cyclictest0-21swapper/609:40:086
4156439995214,19cyclictest0-21swapper/411:10:154
4156439995113,19cyclictest24308-21chrt09:00:164
4156439995112,39cyclictest0-21swapper/412:15:154
4156440995010,39cyclictest0-21swapper/510:30:145
4156442994810,19cyclictest0-21swapper/708:30:167
4156439994830,0cyclictest0-21swapper/408:10:174
4156436994810,19cyclictest0-21swapper/110:15:121
415643599489,39cyclictest0-21swapper/010:25:160
4156435994810,19cyclictest0-21swapper/010:55:150
415644099477,39cyclictest0-21swapper/509:55:165
415643899479,19cyclictest0-21swapper/309:15:143
415643799466,39cyclictest0-21swapper/210:45:142
4156435994627,18cyclictest0-21swapper/011:50:160
415643799456,19cyclictest0-21swapper/208:15:152
415643799456,19cyclictest0-21swapper/207:15:172
415643899445,19cyclictest0-21swapper/309:20:173
415643799446,19cyclictest0-21swapper/209:25:182
415643599446,37cyclictest0-21swapper/009:20:170
415643899424,19cyclictest0-21swapper/307:25:183
415643799424,19cyclictest0-21swapper/211:45:152
415643899410,35cyclictest0-21swapper/312:20:163
415643799412,39cyclictest0-21swapper/211:30:152
415644299400,20cyclictest0-21swapper/710:35:147
4156439994021,19cyclictest0-21swapper/407:35:154
415643599402,19cyclictest4164493-21kworker/0:2+ice07:25:170
415644099390,20cyclictest0-21swapper/510:15:125
415644099390,20cyclictest0-21swapper/508:10:175
415643799391,19cyclictest0-21swapper/209:35:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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