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2025-09-18 - 05:15
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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 rackfslot7.osadl.org (updated Thu Sep 18, 2025 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3486041997213,19cyclictest3564262-21munin-run21:30:015
3486041997213,19cyclictest0-21swapper/520:25:175
3486041997212,59cyclictest0-21swapper/500:04:485
3486041997113,0cyclictest0-21swapper/521:35:175
3486041997113,0cyclictest0-21swapper/521:35:165
348604199699,59cyclictest3608554-21/usr/sbin/munin22:50:145
3486041996930,38cyclictest3632186-21ls23:30:195
3486041996930,19cyclictest0-21swapper/522:07:305
348604199656,19cyclictest0-21swapper/500:35:135
348604199653,40cyclictest3491596-21systemctl19:20:015
3486041996527,19cyclictest691ktimers/521:23:585
348604199646,39cyclictest3585407-21cstates22:10:155
348604199646,0cyclictest0-21swapper/523:00:205
348604199635,39cyclictest0-21swapper/520:35:165
3486041996324,20cyclictest3506126-21munin-plugin-st19:45:015
348604199623,19cyclictest0-21swapper/520:17:495
348604199612,19cyclictest0-21swapper/520:53:135
348604199611,59cyclictest0-21swapper/521:08:055
348604199611,59cyclictest0-21swapper/521:08:045
3486041996021,38cyclictest691ktimers/522:00:215
348604199591,39cyclictest3652046-21ntpq00:05:235
348604199590,19cyclictest0-21swapper/520:14:445
348604199580,39cyclictest3624550-21chrt23:18:075
348604199580,18cyclictest0-21swapper/500:24:165
348604199580,0cyclictest0-21swapper/521:46:455
3486041995718,38cyclictest872-21mta-sts-daemon23:36:145
3486041995717,39cyclictest362-21jbd2/sda2-820:05:475
348604199570,57cyclictest0-21swapper/523:46:045
348604199570,57cyclictest0-21swapper/523:42:255
348604199570,57cyclictest0-21swapper/522:43:085
348604199570,57cyclictest0-21swapper/521:14:005
348604199570,57cyclictest0-21swapper/519:14:525
348604199570,17cyclictest0-21swapper/519:32:215
348604199570,17cyclictest0-21swapper/500:29:495
348604199560,16cyclictest0-21swapper/523:24:095
3486041995536,19cyclictest691ktimers/523:56:305
3486041995514,40cyclictest0-21swapper/500:18:215
3486041995514,19cyclictest0-21swapper/522:35:255
3486041995431,22cyclictest0-21swapper/520:05:005
3486041995414,19cyclictest0-21swapper/520:35:015
3486041995414,19cyclictest0-21swapper/500:30:205
3486041995414,0cyclictest0-21swapper/521:40:125
3486041995413,40cyclictest0-21swapper/521:55:005
3486041995413,19cyclictest0-21swapper/521:15:175
3486041995413,19cyclictest0-21swapper/519:55:215
3486041995335,18cyclictest777-21avahi-daemon21:57:335
3486041995314,19cyclictest0-21swapper/522:45:135
3486041995314,18cyclictest0-21swapper/521:00:215
3486041995313,19cyclictest0-21swapper/523:50:215
3486041995313,19cyclictest0-21swapper/523:25:205
3486041995313,19cyclictest0-21swapper/523:15:005
3486041995313,19cyclictest0-21swapper/522:55:255
3486041995313,19cyclictest0-21swapper/520:45:205
3486041995313,19cyclictest0-21swapper/519:50:205
3486041995313,19cyclictest0-21swapper/500:10:245
3486041995313,0cyclictest0-21swapper/522:17:565
3486040995334,19cyclictest601ktimers/421:35:194
3486040995334,19cyclictest601ktimers/421:35:184
3486041995213,19cyclictest0-21swapper/521:00:005
3486041995213,0cyclictest0-21swapper/523:05:215
3486041995213,0cyclictest0-21swapper/522:30:135
3486041995213,0cyclictest0-21swapper/521:30:175
3486041995212,19cyclictest0-21swapper/520:20:215
3486041995129,0cyclictest0-21swapper/519:27:145
3486041995111,19cyclictest0-21swapper/522:25:135
3486041995111,19cyclictest0-21swapper/520:45:015
3486037995113,19cyclictest0-21swapper/122:30:161
3486041994910,0cyclictest0-21swapper/519:35:165
348604199488,40cyclictest0-21swapper/519:50:005
348604199488,19cyclictest0-21swapper/519:20:125
3486037994810,19cyclictest0-21swapper/122:50:161
348603999467,20cyclictest0-21swapper/322:30:173
348604199455,0cyclictest0-21swapper/522:20:215
348604099456,39cyclictest0-21swapper/419:15:184
348604099456,20cyclictest0-21swapper/421:10:144
348603799441,19cyclictest0-21swapper/100:35:161
348603799435,19cyclictest0-21swapper/122:15:171
348604399424,19cyclictest0-21swapper/700:05:197
348604399400,39cyclictest0-21swapper/723:25:177
348603799402,19cyclictest0-21swapper/123:35:181
348603699401,39cyclictest0-21swapper/020:30:150
348603799390,20cyclictest0-21swapper/119:50:171
348604399380,19cyclictest0-21swapper/723:10:197
348604399380,19cyclictest0-21swapper/700:10:197
348604099380,19cyclictest0-21swapper/423:10:194
348603799380,19cyclictest0-21swapper/122:20:181
348604399360,35cyclictest0-21swapper/719:50:187
348604399360,17cyclictest0-21swapper/721:40:187
348603799360,17cyclictest0-21swapper/122:45:161
348603699360,35cyclictest0-21swapper/020:50:190
348604399350,35cyclictest0-21swapper/700:15:207
348604399350,16cyclictest0-21swapper/721:55:127
348604399350,15cyclictest0-21swapper/723:30:137
3486037993511,19cyclictest0-21swapper/121:20:161
348603799350,35cyclictest0-21swapper/120:25:161
348603799350,16cyclictest0-21swapper/122:40:161
348603699350,16cyclictest0-21swapper/000:00:140
348603699350,15cyclictest0-21swapper/021:30:180
3486043993415,19cyclictest0-21swapper/720:55:167
348604099340,15cyclictest0-21swapper/420:15:164
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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