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2026-05-02 - 23:27
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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 50 highest latencies:
System rackeslot2.osadl.org (updated Sat May 02, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
347100621020,2sleep0171ktimers/010:28:290
344217421000,1sleep20-21swapper/210:10:272
36058292570,1sleep13605828-21ssh11:56:081
35828582410,2sleep30-21swapper/311:40:393
34878422330,1sleep00-21swapper/010:40:280
32689302300,3sleep30-21swapper/308:05:003
3197320992623,2cyclictest3463949-21sh10:25:000
35983502240,2sleep30-21swapper/311:51:093
3197320992414,6cyclictest3570731-21hddtemp_smartct11:35:290
35366402230,2sleep30-21swapper/311:10:333
3197321992320,2cyclictest3243642-21cron07:45:001
3197321992316,2cyclictest134050irq/121-eno107:20:271
3197321992313,4cyclictest3508771-21sshd10:53:081
319732099238,6cyclictest0-21swapper/011:30:250
3197320992320,2cyclictest1-21systemd10:00:000
3197320992311,5cyclictest3553554-21runrttasks11:22:020
3197320992310,5cyclictest0-21swapper/011:00:310
3197322992220,1cyclictest0-21swapper/211:00:012
3197321992219,2cyclictest3212339-21gpgconf07:20:011
3197321992212,3cyclictest3827634-1atopacctd09:36:521
319732099227,5cyclictest0-21swapper/012:10:010
3197320992214,7cyclictest3401130-21kthreadcore09:40:340
3197320992211,4cyclictest3244077-21tail07:45:260
3197320992210,4cyclictest3509719-21kworker/u16:1-events_unbound11:40:380
3197322992119,1cyclictest0-21swapper/210:05:022
3197322992118,1cyclictest0-21swapper/210:00:002
3197321992118,2cyclictest3204940-21kthreadcore07:15:021
3197321992116,1cyclictest11systemd11:00:011
3197320992113,7cyclictest3197318-21cyclictest10:15:350
36643912200,2sleep30-21swapper/312:35:353
3197322992018,1cyclictest0-21swapper/209:10:022
3197322992017,1cyclictest0-21swapper/211:55:002
319732199209,3cyclictest3827634-1atopacctd11:42:201
319732199204,10cyclictest3397965-21cut09:40:321
3197321992017,2cyclictest1290-21dbus-daemon07:55:001
3197321992016,3cyclictest3880722-21gmain07:10:021
3197321992014,2cyclictest134050irq/121-eno111:45:351
3197321992014,2cyclictest134050irq/121-eno110:25:351
3197321992014,2cyclictest134050irq/121-eno109:50:271
3197321992010,2cyclictest0-21swapper/109:50:021
319732099206,5cyclictest0-21swapper/010:30:330
319732099202,3cyclictest3507705-21ssh10:50:380
2649091202,2phc2sys0-21swapper/309:54:143
3197322991917,1cyclictest0-21swapper/209:30:012
3197322991917,1cyclictest0-21swapper/209:30:012
3197322991916,1cyclictest0-21swapper/208:55:392
3197322991916,1cyclictest0-21swapper/208:40:002
3197322991916,1cyclictest0-21swapper/208:15:002
3197322991916,1cyclictest0-21swapper/207:55:012
319732199194,10cyclictest1-21systemd10:50:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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