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2026-06-18 - 17:36
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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 Thu Jun 18, 2026 13:02:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
310799217173,35cyclictest3609-21CPU1
310799217173,35cyclictest3609-21CPU1
314399212193,16cyclictest0-21swapper/3011:25:4524
314399212193,16cyclictest0-21swapper/3011:25:4524
313099210172,12cyclictest0-21swapper/2112:22:4414
313099210172,12cyclictest0-21swapper/2112:22:4314
313099199170,7cyclictest0-21swapper/2111:41:0814
313099199170,7cyclictest0-21swapper/2111:41:0814
313099199170,7cyclictest0-21swapper/2111:41:0814
311699199185,7cyclictest0-21swapper/809:41:5538
311699199185,7cyclictest0-21swapper/809:41:5538
315199198178,17cyclictest0-21swapper/3707:10:0231
315199198178,17cyclictest0-21swapper/3707:10:0231
311699197192,3cyclictest0-21swapper/808:40:2838
311699197192,3cyclictest0-21swapper/808:40:2838
312099194143,47cyclictest0-21swapper/1210:35:344
312099194143,47cyclictest0-21swapper/1210:35:344
311699193179,12cyclictest0-21swapper/810:04:3938
311699193179,12cyclictest0-21swapper/810:04:3938
313099191145,15cyclictest0-21swapper/2107:37:4414
313099191145,15cyclictest0-21swapper/2107:37:4414
314199190163,19cyclictest2459-21CPU21
314199190163,19cyclictest2459-21CPU21
3120991901,90cyclictest0-21swapper/1211:00:234
3120991901,90cyclictest0-21swapper/1211:00:224
311699183173,5cyclictest4407-21CPU38
311699183173,5cyclictest4407-21CPU38
310799183174,7cyclictest0-21swapper/111:48:231
310799183174,7cyclictest0-21swapper/111:48:231
313199182121,45cyclictest24981-21sshd12:02:0215
313199182121,45cyclictest24981-21sshd12:02:0215
313199182121,45cyclictest24981-21sshd12:02:0115
315199181169,10cyclictest0-21swapper/3710:10:0731
315199181169,10cyclictest0-21swapper/3710:10:0731
315199181169,10cyclictest0-21swapper/3710:10:0631
313299181170,9cyclictest0-21swapper/2309:20:4316
313299181170,9cyclictest0-21swapper/2309:20:4316
312599180131,43cyclictest2462-21CPU9
312599180131,43cyclictest2462-21CPU9
312099180113,60cyclictest0-21swapper/1211:07:574
312099180113,60cyclictest0-21swapper/1211:07:574
311899180159,9cyclictest0-21swapper/1009:00:182
311699180169,7cyclictest40525-21sshd11:13:3738
311699180169,7cyclictest40525-21sshd11:13:3738
311699180169,7cyclictest40525-21sshd11:13:3638
311699180169,6cyclictest0-21swapper/812:28:4338
311699180169,6cyclictest0-21swapper/812:28:4338
311899179165,12cyclictest0-21swapper/1011:41:492
311899179165,12cyclictest0-21swapper/1011:41:492
311899179165,12cyclictest0-21swapper/1011:41:482
311599179167,2cyclictest0-21swapper/712:10:3237
311599179167,2cyclictest0-21swapper/712:10:3237
315199178172,5cyclictest0-21swapper/3711:23:1631
315199178172,5cyclictest0-21swapper/3711:23:1631
314399178150,27cyclictest0-21swapper/3010:58:1224
314399178150,27cyclictest0-21swapper/3010:58:1224
312099178137,33cyclictest0-21swapper/1212:31:294
312099178137,33cyclictest0-21swapper/1212:31:294
311699178157,12cyclictest0-21swapper/810:50:4338
311699178157,12cyclictest0-21swapper/810:50:4338
310899178167,10cyclictest0-21swapper/211:42:4812
310899178167,10cyclictest0-21swapper/211:42:4712
310899178167,10cyclictest0-21swapper/211:42:4712
31169917797,70cyclictest2466-21CPU38
31169917797,70cyclictest2466-21CPU38
311699177171,4cyclictest0-21swapper/807:15:0338
311699177171,4cyclictest0-21swapper/807:15:0338
312499176148,14cyclictest171rcu_preempt09:00:088
312099176126,37cyclictest0-21swapper/1210:13:384
312099176126,37cyclictest0-21swapper/1210:13:374
312099176126,37cyclictest0-21swapper/1210:13:374
311699176166,8cyclictest0-21swapper/810:07:2338
311699176166,8cyclictest0-21swapper/810:07:2338
311699176166,8cyclictest0-21swapper/810:07:2238
31469917560,106cyclictest0-21swapper/3309:15:1227
31469917560,106cyclictest0-21swapper/3309:15:1227
31469917560,106cyclictest0-21swapper/3309:15:1127
31469917539,129cyclictest3548-21CPU27
31469917539,129cyclictest3548-21CPU27
312999175171,2cyclictest0-21swapper/2008:00:2213
312599175159,9cyclictest0-21swapper/1710:40:029
312599175159,9cyclictest0-21swapper/1710:40:029
311699175161,11cyclictest0-21swapper/811:01:0538
311699175161,11cyclictest0-21swapper/811:01:0538
313299174156,8cyclictest0-21swapper/2309:53:0016
313299174156,8cyclictest0-21swapper/2309:53:0016
313299174156,8cyclictest0-21swapper/2309:52:5916
312499174164,8cyclictest0-21swapper/1609:10:288
312499174164,8cyclictest0-21swapper/1609:10:288
3120991741,82cyclictest0-21swapper/1210:45:194
3120991741,82cyclictest0-21swapper/1210:45:184
311699174163,10cyclictest0-21swapper/811:19:3038
311699174163,10cyclictest0-21swapper/811:19:2938
315199173160,11cyclictest0-21swapper/3707:50:4931
315199173160,11cyclictest0-21swapper/3707:50:4931
311899173131,34cyclictest0-21swapper/1012:10:232
311899173131,34cyclictest0-21swapper/1012:10:222
310799173145,8cyclictest0-21swapper/112:35:051
310799173145,8cyclictest0-21swapper/112:35:051
315199172153,12cyclictest0-21swapper/3712:20:3731
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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