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2026-05-31 - 10:19
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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 Sun May 31, 2026 01:01:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3845099208204,2cyclictest0-21swapper/1522:05:167
3845099208204,2cyclictest0-21swapper/1522:05:167
3846099198192,3cyclictest2461-21CPU16
3846099198192,3cyclictest2461-21CPU16
38464991951,106cyclictest0-21swapper/2700:20:2420
38464991951,106cyclictest0-21swapper/2700:20:2320
3843799194180,7cyclictest3547-21CPU12
3843799194180,7cyclictest3547-21CPU12
3846399192186,4cyclictest0-21swapper/2623:53:4719
3846399192186,4cyclictest0-21swapper/2623:53:4719
38439991921,185cyclictest0-21swapper/423:40:1934
38439991921,185cyclictest0-21swapper/423:40:1834
3846799191184,5cyclictest9537-21kworker/u81:0+events_unbound00:19:0622
3846799191184,5cyclictest9537-21kworker/u81:0+events_unbound00:19:0622
3843999186127,53cyclictest0-21swapper/422:30:1234
3843999186127,53cyclictest0-21swapper/422:30:1234
3843999186127,53cyclictest0-21swapper/422:30:1134
3846299184180,2cyclictest0-21swapper/2522:36:3618
3846299184180,2cyclictest0-21swapper/2522:36:3618
3844099183149,32cyclictest0-21swapper/523:31:2635
3844099183149,32cyclictest0-21swapper/523:31:2635
3845799181173,7cyclictest0-21swapper/2122:34:2814
3845799181173,7cyclictest0-21swapper/2122:34:2814
3845799181173,7cyclictest0-21swapper/2122:34:2814
3844699181116,51cyclictest2447-21CPU3
3844699181116,51cyclictest2447-21CPU3
3844699181116,51cyclictest2447-21CPU3
3844199181172,8cyclictest0-21swapper/621:24:5036
3844199181172,8cyclictest0-21swapper/621:24:5036
3846699180174,3cyclictest0-21swapper/2822:58:3021
3846699180174,3cyclictest0-21swapper/2822:58:3021
3846399179167,9cyclictest0-21swapper/2621:31:1819
3846399179167,9cyclictest0-21swapper/2621:31:1819
3844099179170,8cyclictest0-21swapper/523:26:0335
3844099179170,8cyclictest0-21swapper/523:26:0335
384399917985,91cyclictest0-21swapper/400:20:2834
384399917985,91cyclictest0-21swapper/400:20:2834
3847999178117,32cyclictest0-21swapper/3922:16:2433
3847999178117,32cyclictest0-21swapper/3922:16:2433
3847899178120,48cyclictest2464-21CPU32
3847899178120,48cyclictest2464-21CPU32
3847899178120,48cyclictest2464-21CPU32
3845799178168,8cyclictest0-21swapper/2123:28:1214
3845799178168,8cyclictest0-21swapper/2123:28:1214
3844099178167,6cyclictest0-21swapper/523:20:3935
3844099178167,6cyclictest0-21swapper/523:20:3935
3844799177167,4cyclictest0-21swapper/1222:01:594
3844799177167,4cyclictest0-21swapper/1222:01:594
3844699177141,8cyclictest0-21swapper/1121:57:443
3844699177141,8cyclictest0-21swapper/1121:57:443
3844699177136,22cyclictest0-21swapper/1120:06:123
3844699177136,22cyclictest0-21swapper/1120:06:123
3847399175172,2cyclictest0-21swapper/3322:31:0027
3847399175172,2cyclictest0-21swapper/3322:31:0027
3847399175172,2cyclictest0-21swapper/3322:31:0027
3847299175167,5cyclictest0-21swapper/3222:37:4226
3847299175167,5cyclictest0-21swapper/3222:37:4226
3844299175159,14cyclictest0-21swapper/722:09:5937
3844299175159,14cyclictest0-21swapper/722:09:5937
3846699174169,2cyclictest0-21swapper/2822:07:2221
3846699174169,2cyclictest0-21swapper/2822:07:2221
3844499174135,32cyclictest0-21swapper/900:39:5039
3844499174135,32cyclictest0-21swapper/900:39:5039
3844099174164,9cyclictest0-21swapper/500:28:3835
3844099174164,9cyclictest0-21swapper/500:28:3735
38439991741,168cyclictest0-21swapper/422:40:0034
38439991741,168cyclictest0-21swapper/422:40:0034
3847899173160,6cyclictest0-21swapper/3821:18:1232
3847899173160,6cyclictest0-21swapper/3821:18:1132
3846699173164,8cyclictest0-21swapper/2821:52:1621
3846699173164,8cyclictest0-21swapper/2821:52:1621
3846399173120,49cyclictest2456-21CPU19
3846399173120,49cyclictest2456-21CPU19
3846399173120,49cyclictest2456-21CPU19
3846399173112,52cyclictest2459-21CPU19
3846399173112,52cyclictest2459-21CPU19
3846299173168,2cyclictest0-21swapper/2522:02:1218
3846299173168,2cyclictest0-21swapper/2522:02:1118
3845799173164,8cyclictest0-21swapper/2123:17:5514
3845799173164,8cyclictest0-21swapper/2123:17:5514
3845799173164,8cyclictest0-21swapper/2123:17:5514
3844699173132,23cyclictest0-21swapper/1123:41:283
3844699173132,23cyclictest0-21swapper/1123:41:283
3844699173124,34cyclictest37353-21CPU3
3844699173124,34cyclictest37353-21CPU3
3844499173126,39cyclictest0-21swapper/923:55:3939
3844499173126,39cyclictest0-21swapper/923:55:3939
3844499173126,39cyclictest0-21swapper/923:55:3939
3846699172157,7cyclictest0-21swapper/2822:20:1321
3846699172157,7cyclictest0-21swapper/2822:20:1321
3846399172161,9cyclictest0-21swapper/2622:24:1619
3846399172161,9cyclictest0-21swapper/2622:24:1619
3844699172131,17cyclictest0-21swapper/1100:14:253
3844699172131,17cyclictest0-21swapper/1100:14:253
3844699172131,17cyclictest0-21swapper/1100:14:253
3844199172161,6cyclictest0-21swapper/622:54:1636
3844199172161,6cyclictest0-21swapper/622:54:1636
3844199172161,6cyclictest0-21swapper/622:54:1636
3844099172129,38cyclictest37354-21CPU35
3844099172129,38cyclictest37354-21CPU35
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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