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2026-06-12 - 21:50
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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 Jun 12, 2026 13:02:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2817399221186,26cyclictest0-21swapper/2710:00:1320
2817399221186,26cyclictest0-21swapper/2710:00:1220
2817399221186,26cyclictest0-21swapper/2710:00:1220
2817199206129,55cyclictest171rcu_preempt10:05:0018
2817199206129,55cyclictest171rcu_preempt10:05:0018
2817199206129,55cyclictest171rcu_preempt10:04:5918
2814299203177,17cyclictest0-21swapper/108:10:011
2816999199192,4cyclictest0-21swapper/2310:33:5116
2816999199192,4cyclictest0-21swapper/2310:33:5016
2814299199182,14cyclictest0-21swapper/107:23:041
2814299199182,14cyclictest0-21swapper/107:23:031
2814999198189,6cyclictest0-21swapper/710:42:3037
2814999198189,6cyclictest0-21swapper/710:42:3037
2814999198189,6cyclictest0-21swapper/710:42:2937
2814299197190,5cyclictest0-21swapper/108:40:141
2814299197190,5cyclictest0-21swapper/108:40:131
2816999196142,50cyclictest3609-21CPU16
2816999196142,50cyclictest3609-21CPU16
2814999195183,7cyclictest3541-21CPU37
2814999195183,7cyclictest3541-21CPU37
2816999192182,6cyclictest0-21swapper/2310:46:3916
2816999192182,6cyclictest0-21swapper/2310:46:3916
2816999192182,6cyclictest0-21swapper/2310:46:3816
2816999192182,6cyclictest0-21swapper/2310:46:3816
2814999192178,12cyclictest0-21swapper/709:22:0637
2814999192178,12cyclictest0-21swapper/709:22:0637
28167991912,3cyclictest3544-21CPU15
2814999191184,4cyclictest37346-21qemu-system-x8610:37:5737
2814999191184,4cyclictest37346-21qemu-system-x8610:37:5737
2814999190182,6cyclictest0-21swapper/711:53:1637
2814999190182,6cyclictest0-21swapper/711:53:1537
2817199189145,35cyclictest0-21swapper/2509:47:0318
2817199189145,35cyclictest0-21swapper/2509:47:0218
2814999189184,3cyclictest39258-21sshd12:00:1537
2814999189184,3cyclictest39258-21sshd12:00:1437
28184991881,176cyclictest17482-21nfsd11:40:1431
28184991881,176cyclictest17482-21nfsd11:40:1431
28184991881,176cyclictest17482-21nfsd11:40:1431
2815599188181,5cyclictest0-21swapper/1309:39:305
2815599188181,5cyclictest0-21swapper/1309:39:295
2817399187135,48cyclictest37354-21CPU20
2817399187135,48cyclictest37354-21CPU20
2815599187179,4cyclictest0-21swapper/1311:50:235
2815599187179,4cyclictest0-21swapper/1311:50:225
2814999187175,10cyclictest5438-21tr07:50:1437
2814999187175,10cyclictest5438-21tr07:50:1437
2816799186158,21cyclictest0-21swapper/2210:33:4415
2816799186158,21cyclictest0-21swapper/2210:33:4415
2814999186176,7cyclictest1442-21gdbus12:32:1137
2814999186176,7cyclictest1442-21gdbus12:32:1037
2818499185142,28cyclictest0-21swapper/3711:12:4731
2818499185142,28cyclictest0-21swapper/3711:12:4731
2818499185142,28cyclictest0-21swapper/3711:12:4631
2814999185173,9cyclictest1360-21systemd-logind10:33:5937
2814999185173,9cyclictest1360-21systemd-logind10:33:5837
2814999184174,6cyclictest0-21swapper/707:42:5337
2814999184174,6cyclictest0-21swapper/707:42:5237
2818499183134,41cyclictest0-21swapper/3711:02:3631
2818499183134,41cyclictest0-21swapper/3711:02:3631
2818499183134,41cyclictest0-21swapper/3711:02:3531
2816999183139,36cyclictest0-21swapper/2309:50:5216
2816999183139,36cyclictest0-21swapper/2309:50:5216
2816399183177,4cyclictest0-21swapper/2012:37:1813
2816399183177,4cyclictest0-21swapper/2012:37:1813
2816399183177,4cyclictest0-21swapper/2012:37:1713
2814299183168,9cyclictest0-21swapper/107:34:311
2814299183168,9cyclictest0-21swapper/107:34:311
2816399182157,11cyclictest0-21swapper/2010:53:0913
2816399182157,11cyclictest0-21swapper/2010:53:0913
2816399182157,11cyclictest0-21swapper/2010:53:0913
2814999182178,3cyclictest0-21swapper/711:39:0837
2814999182178,3cyclictest0-21swapper/711:39:0837
2814999182178,3cyclictest0-21swapper/711:39:0737
2814999182174,6cyclictest0-21swapper/711:40:2837
2814999182174,6cyclictest0-21swapper/711:40:2837
2814999182174,6cyclictest0-21swapper/711:40:2837
2814999182156,15cyclictest0-21swapper/711:21:2037
2814999182156,15cyclictest0-21swapper/711:21:2037
2814999182156,15cyclictest0-21swapper/711:21:2037
2816999181171,8cyclictest0-21swapper/2308:45:1416
2816999181171,8cyclictest0-21swapper/2308:45:1316
2814999181166,13cyclictest0-21swapper/709:31:2437
2814999181166,13cyclictest0-21swapper/709:31:2437
2814999181164,10cyclictest0-21swapper/709:15:1437
2814999181164,10cyclictest0-21swapper/709:15:1337
2815899180122,54cyclictest3545-21CPU7
2815899180122,54cyclictest3545-21CPU7
2815899180122,54cyclictest3545-21CPU7
2814999180170,6cyclictest0-21swapper/711:26:2137
2814999180170,6cyclictest0-21swapper/711:26:2137
2814999180170,6cyclictest0-21swapper/711:26:2137
2818499179137,39cyclictest37354-21CPU31
2818499179137,39cyclictest37354-21CPU31
2818199179173,4cyclictest0-21swapper/3409:15:2328
2818199179173,4cyclictest0-21swapper/3409:15:2328
2816999179168,7cyclictest0-21swapper/2308:00:1616
2817399178170,7cyclictest0-21swapper/2707:30:5320
2817399178170,7cyclictest0-21swapper/2707:30:5220
2814699178167,9cyclictest0-21swapper/410:00:3934
2814699178167,9cyclictest0-21swapper/410:00:3934
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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