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2025-08-22 - 00:09
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack1slot3.osadl.org (updated Thu Aug 21, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41534799140,12cyclictest69450irq/121-eno108:25:143
415347991310,1cyclictest0-21swapper/308:20:123
41534799130,12cyclictest0-21swapper/311:45:113
41534799130,11cyclictest0-21swapper/309:50:173
415347991212,0cyclictest0-21swapper/310:15:003
415347991211,0cyclictest0-21swapper/308:40:203
415347991211,0cyclictest0-21swapper/308:10:123
41534799121,0cyclictest0-21swapper/311:00:143
415347991210,1cyclictest0-21swapper/309:40:123
41534799120,11cyclictest0-21swapper/311:55:123
41534799120,10cyclictest69450irq/121-eno111:20:133
41534799120,10cyclictest0-21swapper/310:20:133
415347991111,0cyclictest0-21swapper/309:35:013
415347991110,0cyclictest69450irq/121-eno108:45:143
415347991110,0cyclictest0-21swapper/308:05:213
41534799110,10cyclictest69450irq/121-eno112:19:113
41534799110,10cyclictest0-21swapper/308:55:143
41534799110,10cyclictest0-21swapper/307:35:533
41534799110,10cyclictest0-21swapper/307:30:133
41534799110,10cyclictest0-21swapper/307:10:183
41534799110,0cyclictest0-21swapper/311:10:013
41534799109,0cyclictest0-21swapper/312:35:133
41534799109,0cyclictest0-21swapper/311:30:123
41534799108,1cyclictest0-21swapper/309:15:123
415347991010,0cyclictest69450irq/121-eno109:55:183
415347991010,0cyclictest69450irq/121-eno109:20:203
415347991010,0cyclictest0-21swapper/312:15:003
415347991010,0cyclictest0-21swapper/309:30:203
415347991010,0cyclictest0-21swapper/309:05:343
415347991010,0cyclictest0-21swapper/309:00:133
415347991010,0cyclictest0-21swapper/307:40:203
41534799100,9cyclictest69450irq/121-eno112:24:353
41534799100,9cyclictest69450irq/121-eno111:50:093
41534799100,9cyclictest69450irq/121-eno110:25:153
41534799100,9cyclictest69450irq/121-eno109:45:123
41534799100,9cyclictest0-21swapper/310:55:213
41534799100,8cyclictest69450irq/121-eno111:25:173
41534799100,0cyclictest0-21swapper/307:55:183
4153479999,0cyclictest69450irq/121-eno111:18:253
4153479999,0cyclictest69450irq/121-eno110:35:173
4153479999,0cyclictest0-21swapper/312:25:183
4153479999,0cyclictest0-21swapper/312:09:023
4153479999,0cyclictest0-21swapper/307:45:133
4153479998,0cyclictest0-21swapper/310:15:133
4153479998,0cyclictest0-21swapper/310:00:173
4153479998,0cyclictest0-21swapper/307:20:133
4153479997,1cyclictest69450irq/121-eno110:40:133
4153479997,1cyclictest0-21swapper/308:35:113
4153479990,9cyclictest0-21swapper/309:30:013
4153479990,8cyclictest69450irq/121-eno112:32:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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