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2025-10-18 - 08:40
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot3.osadl.org (updated Sat Oct 18, 2025 00:50:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
244192850,0sleep30-21swapper/321:54:383
1897728551,30sleep70-21swapper/719:09:417
1887728449,31sleep20-21swapper/219:08:162
1891628146,30sleep30-21swapper/319:08:493
1889328147,30sleep00-21swapper/019:08:300
1875528047,29sleep10-21swapper/119:06:311
1640427844,30sleep60-21swapper/619:05:076
1872927744,29sleep50-21swapper/519:06:115
1869227743,29sleep40-21swapper/419:05:374
19437995410,43cyclictest0-21swapper/723:05:237
98472520,0sleep40-21swapper/423:20:144
323872520,0sleep30-21swapper/320:20:223
300952510,0sleep60-21swapper/600:31:586
300952510,0sleep60-21swapper/600:31:586
19432994948,0cyclictest0-21swapper/223:25:142
19434994646,0cyclictest0-21swapper/421:35:014
19430994544,0cyclictest0-21swapper/121:00:011
19434994442,1cyclictest0-21swapper/423:15:134
19432994443,0cyclictest0-21swapper/200:20:182
19434994338,5cyclictest0-21swapper/400:25:214
19436994210,32cyclictest0-21swapper/622:15:166
19429994242,0cyclictest0-21swapper/022:20:210
19429994139,1cyclictest26293-21apt-get19:20:130
19435994039,1cyclictest0-21swapper/521:00:015
19437993939,0cyclictest0-21swapper/719:20:137
19434993938,0cyclictest0-21swapper/423:40:234
19434993938,0cyclictest0-21swapper/423:40:234
19433993939,0cyclictest0-21swapper/322:10:133
19435993833,5cyclictest0-21swapper/522:00:015
19432993837,1cyclictest0-21swapper/222:15:162
19433993736,0cyclictest0-21swapper/300:35:163
19432993735,1cyclictest0-21swapper/219:10:112
19436993635,1cyclictest0-21swapper/622:55:136
19436993635,0cyclictest0-21swapper/623:00:126
19434993636,0cyclictest0-21swapper/423:25:144
19433993635,0cyclictest0-21swapper/321:40:133
19437993535,0cyclictest0-21swapper/700:10:157
19435993529,5cyclictest0-21swapper/520:00:145
19430993534,0cyclictest0-21swapper/121:35:011
19437993433,0cyclictest0-21swapper/700:05:117
19437993433,0cyclictest0-21swapper/700:05:117
19434993434,0cyclictest0-21swapper/422:40:024
1943299340,34cyclictest0-21swapper/221:35:132
19437993332,0cyclictest0-21swapper/722:05:147
19436993333,0cyclictest0-21swapper/621:05:136
19436993333,0cyclictest0-21swapper/620:25:116
19436993333,0cyclictest0-21swapper/620:25:116
19435993333,0cyclictest0-21swapper/500:30:195
19435993333,0cyclictest0-21swapper/500:30:195
1943399330,0cyclictest0-21swapper/300:20:223
19429993332,1cyclictest0-21swapper/000:05:110
19429993332,1cyclictest0-21swapper/000:05:110
1943799320,0cyclictest0-21swapper/723:35:147
19436993210,0cyclictest27614-21diskmemload00:35:256
19433993231,0cyclictest0-21swapper/322:30:143
19432993232,0cyclictest0-21swapper/221:10:152
19432993231,1cyclictest0-21swapper/222:10:132
19430993230,1cyclictest0-21swapper/123:15:131
19430993225,6cyclictest0-21swapper/100:25:211
19429993232,0cyclictest0-21swapper/022:05:140
1942999320,0cyclictest0-21swapper/023:35:140
19436993131,0cyclictest0-21swapper/619:50:156
19434993131,0cyclictest0-21swapper/400:20:184
19433993130,0cyclictest0-21swapper/323:35:143
19433993129,1cyclictest26917-21idleruntime-cro00:00:003
1943299310,1cyclictest0-21swapper/222:00:012
19436993030,0cyclictest0-21swapper/600:10:116
19435993029,1cyclictest0-21swapper/521:35:015
19434993028,1cyclictest0-21swapper/420:40:124
19432993029,0cyclictest0-21swapper/200:35:212
19432993028,1cyclictest0-21swapper/221:50:122
19432993010,19cyclictest0-21swapper/200:29:592
19436992928,0cyclictest0-21swapper/622:20:126
19435992910,17cyclictest0-21swapper/523:20:095
19434992929,0cyclictest0-21swapper/423:50:174
19433992929,0cyclictest0-21swapper/323:10:023
19433992928,0cyclictest0-21swapper/321:45:093
1943099290,1cyclictest22112-21idleruntime-cro22:40:011
19437992827,0cyclictest0-21swapper/721:55:217
19435992828,0cyclictest0-21swapper/521:00:015
19435992810,3cyclictest0-21swapper/523:05:515
19435992810,16cyclictest0-21swapper/522:15:315
19434992828,0cyclictest0-21swapper/422:20:214
19433992828,0cyclictest0-21swapper/322:05:143
19430992827,1cyclictest0-21swapper/123:40:231
19430992827,1cyclictest0-21swapper/123:40:231
19430992826,1cyclictest898-21apt-get20:25:111
19430992826,1cyclictest898-21apt-get20:25:111
19437992726,0cyclictest16676-21ls21:50:157
19435992726,1cyclictest0-21swapper/522:40:015
19435992720,6cyclictest0-21swapper/500:25:215
19435992710,9cyclictest0-21swapper/522:20:215
19435992710,3cyclictest0-21swapper/523:46:205
19435992710,16cyclictest27614-21diskmemload23:30:545
19435992710,16cyclictest0-21swapper/522:34:525
19435992710,16cyclictest0-21swapper/521:34:535
19435992710,12cyclictest0-21swapper/521:25:255
1943599270,26cyclictest15235-21apt-get21:50:115
19434992726,0cyclictest4179-21ls22:15:164
19433992727,0cyclictest0-21swapper/319:45:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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