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2024-11-04 - 10:10
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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 rackeslot6.osadl.org (updated Mon Nov 04, 2024 00:45:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5772179910493,8cyclictest683855-21latency_hist00:40:001
577217999384,6cyclictest590109-21latency_hist19:50:001
577217999182,6cyclictest607664-21kworker/u8:0+events_unbound21:00:001
57721499871,84cyclictest1-21systemd19:20:010
57721499871,84cyclictest1-21systemd19:20:010
577217998472,9cyclictest675890-21latency_hist00:15:001
577217998470,10cyclictest633803-21gpgv22:05:011
577217998467,14cyclictest598099-21kworker/u8:0+flush-179:020:20:001
577214998473,9cyclictest598319-21apt-get20:15:110
577217998176,3cyclictest585566-21kworker/u8:1+flush-179:019:40:001
577217998170,8cyclictest3105085-21systemd-journal22:10:011
577217998170,8cyclictest3105085-21systemd-journal22:10:001
577217998067,9cyclictest669497-21kworker/u8:2+flush-179:000:05:221
577217998067,9cyclictest669497-21kworker/u8:2+flush-179:000:05:211
577214997966,10cyclictest3105085-21systemd-journal23:40:000
577217997868,7cyclictest572615-21kworker/u8:0+flush-179:019:20:241
577217997767,7cyclictest627544-21kworker/u8:0+flush-179:022:40:251
577217997765,9cyclictest616081-21/usr/sbin/munin21:10:241
577217997558,13cyclictest578706-21apt-get19:15:011
577217997468,4cyclictest627544-21kworker/u8:0+flush-179:021:55:171
577217997363,6cyclictest620143-21kworker/u8:2+events_unbound22:10:251
577217997362,8cyclictest594892-21latency_hist20:05:011
577214997260,9cyclictest593557-21apt-get20:00:130
577217997160,9cyclictest653076-21kworker/u8:1+flush-179:023:15:171
577217997160,9cyclictest582411-21apt-get19:25:131
577217997062,6cyclictest627544-21kworker/u8:0+flush-179:023:00:261
577217997054,12cyclictest3105085-21systemd-journal23:35:001
577217996961,5cyclictest663092-21kworker/u8:2+flush-179:023:35:261
577217996959,7cyclictest640560-21apt-get22:25:131
577217996954,12cyclictest607664-21kworker/u8:0+flush-179:020:50:171
577217996949,18cyclictest607664-21kworker/u8:0+flush-179:021:40:011
577217996949,18cyclictest607664-21kworker/u8:0+flush-179:021:40:011
577214996865,2cyclictest653076-21kworker/u8:1+events_unbound23:59:320
577217996761,4cyclictest648248-21kworker/u8:3+flush-179:023:05:231
577217996652,5cyclictest648248-21kworker/u8:3+flush-179:022:50:161
577214996658,6cyclictest635521-21latency_hist22:10:020
577214996658,6cyclictest635521-21latency_hist22:10:020
577222996460,2cyclictest0-21swapper/319:39:593
577217996459,4cyclictest585566-21kworker/u8:1+flush-179:020:05:231
577217996458,4cyclictest620143-21kworker/u8:2+flush-179:021:40:171
577217996456,6cyclictest648248-21kworker/u8:3+flush-179:023:25:011
577217996454,7cyclictest577086-21latency_hist19:10:011
577217996451,10cyclictest588523-21latency_hist19:45:021
577214996462,1cyclictest0-21swapper/019:39:590
577220996360,2cyclictest0-21swapper/219:40:002
577217996357,5cyclictest674337-21kworker/u8:1+flush-179:000:19:561
577214996354,7cyclictest661251-21latency_hist23:30:010
577214996350,10cyclictest3105085-21systemd-journal00:04:000
577217996155,5cyclictest585566-21kworker/u8:1+flush-179:020:30:231
577217996155,5cyclictest585566-21kworker/u8:1+flush-179:020:30:231
577217996155,4cyclictest672561-21kworker/u8:0+flush-179:000:01:301
577217996052,6cyclictest582190-21kworker/u8:2+flush-179:020:25:001
577217996044,13cyclictest612476-21kworker/u8:3+flush-179:021:15:171
577217996044,13cyclictest612476-21kworker/u8:3+flush-179:021:15:161
577214996051,7cyclictest614514-21apt-get21:05:140
577214996049,9cyclictest620935-21apt-get21:25:120
577214996047,10cyclictest619017-21apt-get21:16:300
577214996047,10cyclictest619017-21apt-get21:16:290
577217995952,5cyclictest612476-21kworker/u8:3+events_unbound21:10:011
577217995950,7cyclictest607664-21kworker/u8:0+flush-179:021:00:141
577217995947,9cyclictest622523-21apt-get21:30:141
577217995750,5cyclictest627544-21kworker/u8:0+flush-179:022:45:171
577217995744,10cyclictest654880-21apt-get23:10:111
577214995752,4cyclictest627544-21kworker/u8:0+events_unbound22:45:140
577217995650,5cyclictest653076-21kworker/u8:1+flush-179:023:50:221
577217995650,5cyclictest585566-21kworker/u8:1+flush-179:020:25:261
577217995646,7cyclictest638752-21kworker/u8:2+events_unbound22:40:001
577217995646,7cyclictest585329-21latency_hist19:35:011
577214995644,9cyclictest609454-21/usr/sbin/munin20:50:240
577217995546,6cyclictest627544-21kworker/u8:0+events_unbound21:50:141
577214995544,9cyclictest3105085-21systemd-journal23:15:000
577217995247,4cyclictest648248-21kworker/u8:3+flush-179:022:55:161
577217995247,4cyclictest648248-21kworker/u8:3+flush-179:022:55:161
577217995247,3cyclictest627544-21kworker/u8:0+flush-179:022:15:171
577217995246,4cyclictest653076-21kworker/u8:1+flush-179:023:45:171
577217995246,4cyclictest653076-21kworker/u8:1+flush-179:023:45:161
577217995244,6cyclictest669497-21kworker/u8:2+flush-179:000:00:001
577214995230,6cyclictest630735-21apt-get21:55:150
577217995145,5cyclictest607664-21kworker/u8:0+events_unbound21:25:131
577217995141,8cyclictest680911-21/usr/sbin/munin00:30:241
577217995141,8cyclictest590363-21apt-get19:50:121
577217995045,4cyclictest604426-21kworker/u8:3+flush-179:020:43:301
577217995044,4cyclictest604426-21kworker/u8:3+flush-179:020:49:301
577217995040,8cyclictest579212-21apt-get19:15:111
577217995040,8cyclictest579212-21apt-get19:15:111
577214995042,5cyclictest607664-21kworker/u8:0+flush-179:021:00:150
577217994939,7cyclictest653076-21kworker/u8:1+events_unbound23:40:241
577214994940,7cyclictest649844-21latency_hist22:55:010
577217994842,4cyclictest672561-21kworker/u8:0+flush-179:000:23:301
577217994841,5cyclictest582190-21kworker/u8:2+events_unbound20:35:241
577217994741,4cyclictest620143-21kworker/u8:2+flush-179:021:45:201
577214994739,6cyclictest625608-21kworker/u8:1+events_unbound21:40:010
577214994739,6cyclictest625608-21kworker/u8:1+events_unbound21:40:010
4505291470,13ptp4l61790irq/134-eno1-TxRx-019:10:003
577217994642,3cyclictest680650-21kworker/u8:1+flush-179:000:26:301
577214994637,7cyclictest622505-21/usr/sbin/munin21:30:200
577217994539,4cyclictest585566-21kworker/u8:1+flush-179:019:55:231
577217994533,9cyclictest638973-21apt-get22:20:121
577214994538,5cyclictest3105085-21systemd-journal23:02:540
577214994537,6cyclictest632342-21apt-get22:00:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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