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2026-03-11 - 10:59
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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 rackdslot3.osadl.org (updated Wed Mar 11, 2026 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30122209173,25sleep30-21swapper/319:09:333
28482205172,22sleep00-21swapper/019:07:250
28552204170,23sleep20-21swapper/219:07:312
28492201168,22sleep10-21swapper/119:07:261
502121750,6sleep3334199cyclictest21:25:193
3339997032,7cyclictest25-21ksoftirqd/121:40:011
3339996429,7cyclictest25-21ksoftirqd/119:20:001
3339996326,7cyclictest25-21ksoftirqd/121:55:191
3339996323,9cyclictest25-21ksoftirqd/120:55:271
3339996323,8cyclictest25-21ksoftirqd/100:25:221
3339996322,8cyclictest25-21ksoftirqd/120:20:161
3339996223,8cyclictest25-21ksoftirqd/121:05:001
3339996223,7cyclictest25-21ksoftirqd/100:20:251
3339996131,8cyclictest25-21ksoftirqd/122:30:231
3339996125,11cyclictest25-21ksoftirqd/123:45:011
3339996122,8cyclictest25-21ksoftirqd/122:00:221
3339996122,8cyclictest25-21ksoftirqd/121:20:251
3339996122,8cyclictest25-21ksoftirqd/121:20:251
3339996122,8cyclictest25-21ksoftirqd/120:00:241
3339996122,7cyclictest25-21ksoftirqd/120:50:241
3339996122,7cyclictest25-21ksoftirqd/100:35:241
3339996122,7cyclictest25-21ksoftirqd/100:00:181
3339996122,10cyclictest25-21ksoftirqd/120:15:281
3339996121,7cyclictest25-21ksoftirqd/121:10:131
3339996120,7cyclictest25-21ksoftirqd/120:40:131
253232610,2sleep20-21swapper/219:55:002
3339996031,3cyclictest25-21ksoftirqd/119:10:191
3339996024,8cyclictest25-21ksoftirqd/123:00:181
3339996024,8cyclictest25-21ksoftirqd/122:55:151
3339996023,9cyclictest25-21ksoftirqd/123:45:231
3339996023,9cyclictest25-21ksoftirqd/123:25:261
3339996023,6cyclictest25-21ksoftirqd/121:30:171
3339996022,7cyclictest25-21ksoftirqd/121:40:221
3339996021,7cyclictest25-21ksoftirqd/122:15:171
3339996020,7cyclictest25-21ksoftirqd/119:25:231
3339995926,9cyclictest25-21ksoftirqd/121:05:261
3339995920,7cyclictest25-21ksoftirqd/122:10:221
3339995920,7cyclictest25-21ksoftirqd/122:10:221
3339995920,10cyclictest25-21ksoftirqd/121:50:321
3339995824,4cyclictest25-21ksoftirqd/121:45:151
3339995823,7cyclictest25-21ksoftirqd/119:30:201
3339995822,9cyclictest25-21ksoftirqd/100:10:221
3339995821,4cyclictest25-21ksoftirqd/123:35:261
3339995723,8cyclictest25-21ksoftirqd/123:15:241
3339995723,8cyclictest25-21ksoftirqd/122:20:141
3339995723,7cyclictest25-21ksoftirqd/119:50:231
3339995722,8cyclictest25-21ksoftirqd/100:09:591
3339995722,7cyclictest25-21ksoftirqd/123:10:261
3339995721,4cyclictest25-21ksoftirqd/123:30:231
3339995653,2cyclictest231rcuc/122:45:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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