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2026-01-08 - 20:00
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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 Jan 08, 2026 13:00:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3878599216200,14cyclictest0-21swapper/011:15:440
3878599216200,14cyclictest0-21swapper/011:15:440
3883099198144,26cyclictest0-21swapper/3811:58:4332
3883099198144,26cyclictest0-21swapper/3811:58:4332
3879599194189,3cyclictest0-21swapper/709:41:3337
3879599194189,3cyclictest0-21swapper/709:41:3337
3879399187178,4cyclictest0-21swapper/612:26:1636
3879399187178,4cyclictest0-21swapper/612:26:1636
3879099185143,39cyclictest0-21swapper/411:07:2834
3879099185143,39cyclictest0-21swapper/411:07:2734
3881999183178,3cyclictest0-21swapper/2807:17:4121
3881999183178,3cyclictest0-21swapper/2807:17:4121
3881299182170,11cyclictest0-21swapper/2310:07:0816
3881299182170,11cyclictest0-21swapper/2310:07:0816
3881299182170,11cyclictest0-21swapper/2310:07:0716
38790991821,166cyclictest0-21swapper/410:35:5034
38790991821,166cyclictest0-21swapper/410:35:5034
3881299181165,2cyclictest0-21swapper/2309:46:5316
3881299181165,2cyclictest0-21swapper/2309:46:5316
3881299181165,2cyclictest0-21swapper/2309:46:5316
3878799181150,27cyclictest0-21swapper/211:53:3012
3878799181150,27cyclictest0-21swapper/211:53:3012
3878799181150,27cyclictest0-21swapper/211:53:3012
3883099178129,21cyclictest0-21swapper/3812:05:5132
3883099178129,21cyclictest0-21swapper/3812:05:5132
3881299178166,10cyclictest0-21swapper/2310:20:2616
3881299178166,10cyclictest0-21swapper/2310:20:2516
3881299178166,10cyclictest0-21swapper/2310:20:2516
388309917582,85cyclictest3544-21CPU32
388309917582,85cyclictest3544-21CPU32
3881999175153,20cyclictest0-21swapper/2807:22:1121
3879999175163,10cyclictest0-21swapper/1107:19:583
3879999175163,10cyclictest0-21swapper/1107:19:583
3879099175141,25cyclictest0-21swapper/409:27:4234
3879099175141,25cyclictest0-21swapper/409:27:4134
3879099175141,25cyclictest0-21swapper/409:27:4134
3881999174150,10cyclictest0-21swapper/2812:22:5921
3881999174150,10cyclictest0-21swapper/2812:22:5921
3881999174150,10cyclictest0-21swapper/2812:22:5921
3881999174138,17cyclictest0-21swapper/2810:56:0221
3881999174138,17cyclictest0-21swapper/2810:56:0221
3881299174150,12cyclictest0-21swapper/2312:31:5316
3881299174150,12cyclictest0-21swapper/2312:31:5316
3881299174150,12cyclictest0-21swapper/2312:31:5316
3879099174145,26cyclictest0-21swapper/412:33:1234
3879099174145,26cyclictest0-21swapper/412:33:1234
3879099174145,26cyclictest0-21swapper/412:33:1234
3879099174136,34cyclictest0-21swapper/409:21:0034
3879099174136,34cyclictest0-21swapper/409:21:0034
3879099174131,38cyclictest0-21swapper/410:52:5534
3879099174131,38cyclictest0-21swapper/410:52:5534
3878599174146,21cyclictest0-21swapper/010:34:140
3878599174146,21cyclictest0-21swapper/010:34:140
3878599174146,21cyclictest0-21swapper/010:34:140
3883099173146,12cyclictest171rcu_preempt07:19:5832
3883099173146,12cyclictest171rcu_preempt07:19:5832
3883099172154,7cyclictest0-21swapper/3809:53:4532
3883099172154,7cyclictest0-21swapper/3809:53:4532
3881299172153,11cyclictest0-21swapper/2312:16:2616
3881299172153,11cyclictest0-21swapper/2312:16:2516
3879999172161,7cyclictest0-21swapper/1109:35:343
3879999172161,7cyclictest0-21swapper/1109:35:343
3879999172161,7cyclictest0-21swapper/1109:35:343
3879099172123,39cyclictest0-21swapper/410:42:0434
3879099172123,39cyclictest0-21swapper/410:42:0434
3883099171133,16cyclictest0-21swapper/3812:23:1032
3883099171133,16cyclictest0-21swapper/3812:23:1032
3883099171133,16cyclictest0-21swapper/3812:23:1032
3880499171164,5cyclictest2327-21qemu-system-x8610:22:368
3880499171164,5cyclictest2327-21qemu-system-x8610:22:368
3880499171164,5cyclictest2327-21qemu-system-x8610:22:368
3879999171153,11cyclictest0-21swapper/1110:41:503
3879999171153,11cyclictest0-21swapper/1110:41:503
3879399171154,11cyclictest0-21swapper/609:10:3336
3879399171154,11cyclictest0-21swapper/609:10:3336
3879099171128,35cyclictest0-21swapper/411:28:4734
3879099171128,35cyclictest0-21swapper/411:28:4734
3879099171128,35cyclictest0-21swapper/411:28:4734
3881999170142,26cyclictest0-21swapper/2811:35:1721
3881999170142,26cyclictest0-21swapper/2811:35:1721
3881299170162,6cyclictest0-21swapper/2310:27:5216
3881299170162,6cyclictest0-21swapper/2310:27:5216
3881299170152,7cyclictest0-21swapper/2311:15:0716
3881299170152,7cyclictest0-21swapper/2311:15:0716
3881299170139,23cyclictest37269-21CPU16
3881299170139,23cyclictest37269-21CPU16
3880699170146,11cyclictest0-21swapper/1712:19:289
3880699170146,11cyclictest0-21swapper/1712:19:279
3880699170143,21cyclictest0-21swapper/1710:39:189
3880699170143,21cyclictest0-21swapper/1710:39:189
3880199170162,5cyclictest0-21swapper/1307:21:555
3883099169151,4cyclictest0-21swapper/3810:23:1432
3883099169151,4cyclictest0-21swapper/3810:23:1432
3883099169151,4cyclictest0-21swapper/3810:23:1332
3881999169156,8cyclictest0-21swapper/2809:28:4621
3881999169156,8cyclictest0-21swapper/2809:28:4621
3881999169156,8cyclictest0-21swapper/2809:28:4621
3879999169161,3cyclictest0-21swapper/1112:25:133
3879999169161,3cyclictest0-21swapper/1112:25:133
3879099169110,56cyclictest0-21swapper/410:55:4034
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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