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2026-06-11 - 05:45
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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 Thu Jun 11, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5112990,0sleep00-21swapper/023:32:480
194982960,0sleep21510-21nfsd21:32:052
320022930,0sleep10-21swapper/123:52:441
206132670,0sleep00-21swapper/022:31:570
280972650,1sleep337-21rcuc/300:18:093
112542650,0sleep30-21swapper/300:28:113
282242620,6sleep339-21ksoftirqd/321:13:043
104442610,0sleep30-21swapper/323:02:213
4572600,1sleep2432-21sshd22:24:342
191762600,3sleep119-21rcuc/122:37:311
142062600,1sleep014205-21bash23:16:570
243562590,0sleep00-21swapper/000:12:020
309082580,1sleep230892-21sshd21:38:502
88422570,0sleep00-21swapper/023:13:410
209692570,0sleep11734-21runrttasks22:23:291
204762570,0sleep320466-21sshd23:20:203
179272570,0sleep01734-21runrttasks21:37:410
85082550,0sleep00-21swapper/000:27:560
7162550,0sleep30-21swapper/321:21:573
314962550,0sleep20-21swapper/221:21:472
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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