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2026-09-02 - 13:40
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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 20 highest latencies:
System rackaslot0.osadl.org (updated Wed Sep 02, 2026 00:44:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2364621030,0sleep10-21swapper/123:38:011
38672660,0sleep20-21swapper/223:53:162
79892610,0sleep17987-21bash21:54:441
189022580,1sleep018884-21sshd21:47:070
139112580,0sleep10-21swapper/122:09:281
255162570,0sleep30-21swapper/323:57:593
1984025735,19sleep00-21swapper/019:06:300
99982560,1sleep09981-21sshd22:03:260
72572560,0sleep00-21swapper/021:32:000
11842560,0sleep30-21swapper/322:50:483
249302540,0sleep00-21swapper/022:30:180
230302540,2sleep22036799cyclictest23:09:462
180522540,1sleep20-21swapper/223:23:282
234492530,1sleep02035899cyclictest00:26:120
1988025331,18sleep30-21swapper/319:07:013
297272520,1sleep129721-21bash21:22:401
248032520,1sleep01866-21runrttasks20:25:160
256692510,0sleep00-21swapper/023:04:190
238312500,0sleep121-21ksoftirqd/121:33:291
237852500,1sleep023781-21bash21:41:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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