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2024-04-26 - 11:49
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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 Fri Apr 26, 2024 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2290421100,0sleep122867-21sshd22:35:281
137212930,1sleep337-21rcuc/323:23:253
162592920,1sleep216237-21sshd23:18:202
131422880,0sleep30-21swapper/322:42:513
48892650,0sleep30-21swapper/322:28:363
20932610,1sleep32091-21bash00:29:333
892625925,18sleep20-21swapper/219:05:512
202892590,0sleep10-21swapper/122:48:571
94602570,0sleep20-21swapper/222:50:392
94602570,0sleep20-21swapper/222:50:392
278992570,1sleep227898-21bash21:30:502
216452570,1sleep321646-21sshd23:15:593
47012560,1sleep24699-21sshd21:39:472
289632560,0sleep30-21swapper/300:05:163
199222560,0sleep10-21swapper/121:32:531
81472550,0sleep20-21swapper/221:40:042
65392550,1sleep01784-21runrttasks23:03:580
49582550,1sleep24922-21hddtemp_smartct00:00:192
228892540,1sleep10-21swapper/123:13:301
87252530,0sleep18722-21bash21:40:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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