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2024-09-20 - 19:08
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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 rack5slot2.osadl.org (updated Fri Sep 20, 2024 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
115622193177,11sleep10-21swapper/107:06:231
116382184166,13sleep00-21swapper/007:07:230
115172179162,12sleep30-21swapper/307:05:493
117742170153,13sleep20-21swapper/207:09:092
148552550,0sleep10-21swapper/111:20:121
225442470,0sleep10-21swapper/110:35:291
93452450,0sleep10-21swapper/110:29:521
29182430,0sleep30-21swapper/311:45:573
280612430,0sleep00-21swapper/011:59:070
200052400,0sleep10-21swapper/111:55:121
294272120,0sleep20-21swapper/211:11:002
25082110,0sleep30-21swapper/309:22:453
9178290,0sleep20-21swapper/210:45:152
27183290,0sleep10-21swapper/112:30:191
19172290,0sleep00-21swapper/011:05:550
120139981,3cyclictest27553-21munin-run07:40:000
1650270,0sleep30-21swapper/310:57:373
120269960,5cyclictest0-21swapper/311:10:093
120229965,1cyclictest31-21ksoftirqd/210:55:002
120229960,6cyclictest0-21swapper/211:25:122
120229960,6cyclictest0-21swapper/211:15:152
120139960,3cyclictest57250irq/125-eth012:30:010
839250,0sleep10-21swapper/112:01:041
120269955,0cyclictest13415-21kworker/3:112:19:373
120269950,5cyclictest0-21swapper/311:02:103
120269950,5cyclictest0-21swapper/310:27:333
120269950,5cyclictest0-21swapper/309:56:073
120269950,5cyclictest0-21swapper/309:46:573
120269950,5cyclictest0-21swapper/308:05:113
120269950,4cyclictest21092-21perl07:25:143
120229955,0cyclictest0-21swapper/210:30:262
120229953,1cyclictest31-21ksoftirqd/211:55:122
120229950,5cyclictest0-21swapper/212:25:122
120229950,5cyclictest0-21swapper/212:16:042
120229950,5cyclictest0-21swapper/210:25:122
120229950,5cyclictest0-21swapper/210:15:112
120229950,5cyclictest0-21swapper/210:05:512
120229950,5cyclictest0-21swapper/209:44:272
120229950,5cyclictest0-21swapper/209:27:512
120229950,5cyclictest0-21swapper/209:20:322
120229950,5cyclictest0-21swapper/208:40:112
120229950,4cyclictest7757-21apt-get08:05:112
120229950,4cyclictest32284-21ssh11:45:112
120179955,0cyclictest0-21swapper/111:04:371
120179952,2cyclictest0-21swapper/111:05:101
120179951,3cyclictest0-21swapper/107:20:111
120179951,2cyclictest0-21swapper/111:50:111
120179951,2cyclictest0-21swapper/110:55:121
120179951,2cyclictest0-21swapper/110:20:121
120179951,2cyclictest0-21swapper/109:50:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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