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2026-08-25 - 08:32
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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 Tue Aug 25, 2026 01:02:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5341992491,244cyclictest4398-21qemu-system-x8621:17:136
5341992491,244cyclictest4398-21qemu-system-x8621:17:136
5341992471,240cyclictest0-21swapper/1420:15:226
5341992471,240cyclictest0-21swapper/1420:15:226
5341992461,241cyclictest0-21swapper/1422:00:166
5341992461,241cyclictest0-21swapper/1422:00:166
5341992461,241cyclictest0-21swapper/1422:00:166
5341992421,238cyclictest0-21swapper/1421:28:456
5341992421,238cyclictest0-21swapper/1421:28:456
5341992401,236cyclictest0-21swapper/1423:16:256
5341992401,236cyclictest0-21swapper/1423:16:256
5341992400,237cyclictest38488-21sshd23:40:196
5341992400,237cyclictest38488-21sshd23:40:196
5341992400,236cyclictest19105-21sshd21:41:526
5341992400,236cyclictest19105-21sshd21:41:526
5341992391,236cyclictest0-21swapper/1421:45:206
5341992391,236cyclictest0-21swapper/1421:45:206
5341992382,230cyclictest3548-21CPU6
5341992382,230cyclictest3548-21CPU6
5341992381,234cyclictest0-21swapper/1400:04:446
5341992381,234cyclictest0-21swapper/1400:04:436
5341992381,233cyclictest0-21swapper/1423:05:226
5341992381,233cyclictest0-21swapper/1423:05:226
5341992351,226cyclictest0-21swapper/1421:30:286
5341992351,226cyclictest0-21swapper/1421:30:286
5341992350,232cyclictest0-21swapper/1422:53:026
5341992350,232cyclictest0-21swapper/1422:53:026
5341992350,230cyclictest38944-21pidof22:38:596
5341992350,230cyclictest38944-21pidof22:38:586
5341992341,230cyclictest36786-21kill23:23:076
5341992341,230cyclictest36786-21kill23:23:066
5341992341,230cyclictest36786-21kill23:23:066
5341992341,225cyclictest755-21systemd-journal00:34:166
5341992341,225cyclictest755-21systemd-journal00:34:156
5341992331,228cyclictest3535-21qemu-system-x8600:20:486
5341992331,228cyclictest3535-21qemu-system-x8600:20:476
5341992321,227cyclictest0-21swapper/1423:30:186
5341992321,227cyclictest0-21swapper/1423:30:186
5341992311,227cyclictest0-21swapper/1422:48:496
5341992311,227cyclictest0-21swapper/1422:48:486
5341992311,227cyclictest0-21swapper/1421:14:096
5341992311,227cyclictest0-21swapper/1421:14:096
5341992301,226cyclictest10422-21systemd-cgroups00:10:036
5341992301,226cyclictest10422-21systemd-cgroups00:10:036
5341992301,226cyclictest0-21swapper/1421:50:446
5341992301,226cyclictest0-21swapper/1421:50:446
5341992301,226cyclictest0-21swapper/1421:50:436
5341992301,226cyclictest0-21swapper/1421:20:226
5341992301,226cyclictest0-21swapper/1421:20:226
5341992301,226cyclictest0-21swapper/1421:20:216
5341992300,226cyclictest22647-21systemd23:04:566
5341992300,226cyclictest22647-21systemd23:04:556
5341992291,225cyclictest0-21swapper/1421:38:596
5341992291,225cyclictest0-21swapper/1421:38:596
5341992291,225cyclictest0-21swapper/1400:13:116
5341992291,225cyclictest0-21swapper/1400:13:106
5341992291,225cyclictest0-21swapper/1400:13:106
5341992290,224cyclictest0-21swapper/1419:30:236
5341992290,224cyclictest0-21swapper/1419:30:226
5341992281,224cyclictest0-21swapper/1400:36:406
5341992281,224cyclictest0-21swapper/1400:36:396
5341992281,224cyclictest0-21swapper/1400:36:396
5341992272,220cyclictest3548-21CPU6
5341992272,220cyclictest3548-21CPU6
5341992271,223cyclictest0-21swapper/1423:35:116
5341992271,223cyclictest0-21swapper/1423:35:116
5341992271,223cyclictest0-21swapper/1400:16:176
5341992271,223cyclictest0-21swapper/1400:16:166
5341992271,223cyclictest0-21swapper/1400:16:166
5341992270,224cyclictest0-21swapper/1400:29:546
5341992270,224cyclictest0-21swapper/1400:29:536
5341992261,222cyclictest0-21swapper/1423:27:326
5341992261,222cyclictest0-21swapper/1423:27:326
534099226216,3cyclictest0-21swapper/1320:45:225
534099226216,3cyclictest0-21swapper/1320:45:225
5341992252,219cyclictest2464-21CPU6
5341992252,219cyclictest2464-21CPU6
5341992252,218cyclictest3543-21CPU6
5341992252,218cyclictest3543-21CPU6
5341992241,221cyclictest0-21swapper/1423:52:256
5341992241,221cyclictest0-21swapper/1423:52:246
5341992241,220cyclictest0-21swapper/1422:10:156
5341992241,220cyclictest0-21swapper/1422:10:156
5341992241,220cyclictest0-21swapper/1422:10:156
5341992241,220cyclictest0-21swapper/1419:16:106
5341992241,220cyclictest0-21swapper/1419:16:096
5341992231,219cyclictest0-21swapper/1420:46:056
5341992231,219cyclictest0-21swapper/1420:46:056
5341992221,218cyclictest0-21swapper/1422:24:596
5341992221,218cyclictest0-21swapper/1422:24:596
5341992221,218cyclictest0-21swapper/1422:24:596
5341992211,218cyclictest0-21swapper/1423:46:156
5341992211,218cyclictest0-21swapper/1423:46:156
5341992211,217cyclictest0-21swapper/1423:58:556
5341992211,217cyclictest0-21swapper/1423:58:556
5341992211,217cyclictest0-21swapper/1423:58:556
5341992211,217cyclictest0-21swapper/1419:35:466
5341992211,217cyclictest0-21swapper/1419:35:466
5341992211,216cyclictest0-21swapper/1422:41:356
5341992211,216cyclictest0-21swapper/1422:41:356
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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