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2026-05-05 - 05:33
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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 rack3slot6.osadl.org (updated Tue May 05, 2026 00:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15112210032,19sleep10-21swapper/119:05:071
16897999118,17cyclictest0-21swapper/122:35:101
16897999116,64cyclictest0-21swapper/119:50:131
1689799886,20cyclictest2337-21apt-get23:00:161
16897998814,17cyclictest0-21swapper/122:10:141
16897998814,17cyclictest0-21swapper/122:10:141
16897998814,16cyclictest0-21swapper/121:05:151
1689799877,25cyclictest27728-21apt-get21:10:141
1689799877,25cyclictest27728-21apt-get21:10:141
1689799877,25cyclictest19510-21apt-get19:15:151
16897998715,17cyclictest0-21swapper/119:25:221
16897998714,17cyclictest0-21swapper/121:30:221
1689199876,26cyclictest29520-21apt-get22:45:130
1689199876,26cyclictest29520-21apt-get22:45:130
1689799866,19cyclictest6686-21apt-get20:10:121
16897998614,16cyclictest0-21swapper/123:05:151
16897998614,16cyclictest0-21swapper/123:05:151
1689199866,24cyclictest6440-21apt-get21:40:120
1689799857,21cyclictest26791-21apt-get19:35:141
1689199855,17cyclictest31231-21apt-get21:20:120
1689799847,20cyclictest28601-21apt-get19:40:121
1689799846,22cyclictest5863-21apt-get23:10:131
16897998415,15cyclictest0-21swapper/100:15:131
1689199845,24cyclictest29466-21apt-get21:15:140
1689199845,10cyclictest0-21swapper/019:35:190
1689799837,22cyclictest25051-21apt-get19:30:131
16897998315,17cyclictest0-21swapper/121:20:121
16897998314,17cyclictest0-21swapper/119:20:131
16897998312,17cyclictest0-21swapper/122:40:131
1689199836,28cyclictest4076-21apt-get23:05:140
1689199836,28cyclictest4076-21apt-get23:05:140
1689799828,24cyclictest24200-21apt-get21:00:131
1689799826,20cyclictest1397-21apt-get19:55:121
16897998215,16cyclictest0-21swapper/120:35:111
1689799817,20cyclictest23411-21apt-get00:00:131
1689799816,21cyclictest9917-21apt-get21:50:131
1689799816,18cyclictest25456-21apt-get00:05:171
16897998117,54cyclictest0-21swapper/121:40:121
16897998113,16cyclictest0-21swapper/122:20:121
1689199814,19cyclictest28977-21apt-get00:15:130
16891998123,51cyclictest22892-21cat20:55:230
16897998025,21cyclictest243-21systemd-journal21:40:011
16897998014,15cyclictest0-21swapper/120:05:141
1689199806,23cyclictest21275-21apt-get19:20:140
1689199805,23cyclictest15403-21apt-get20:35:130
16891998013,58cyclictest0-21swapper/000:20:110
1650928020,51sleep00-21swapper/019:08:080
1689799797,22cyclictest567-21apt-get22:55:141
1689799797,22cyclictest11925-21apt-get20:25:141
1689799795,19cyclictest30735-21apt-get00:20:121
16897997920,48cyclictest0-21swapper/122:45:131
16897997920,48cyclictest0-21swapper/122:45:131
16897997912,14cyclictest0-21swapper/100:10:141
1689199799,62cyclictest0-21swapper/022:55:140
1689199795,10cyclictest0-21swapper/021:55:150
16891997926,47cyclictest23476-21aten2.4_r3power19:25:270
16891997911,61cyclictest0-21swapper/020:30:140
1689799787,21cyclictest10188-21apt-get20:20:131
1689799786,20cyclictest15455-21apt-get22:05:121
1689799786,19cyclictest19872-21apt-get23:50:111
1689799786,19cyclictest14576-21apt-get23:35:111
1689799786,18cyclictest13664-21apt-get20:30:141
16897997815,16cyclictest0-21swapper/121:15:131
1689199785,23cyclictest1397-21apt-get19:55:130
1689199785,22cyclictest17254-21apt-get19:10:250
1689199782,69cyclictest2025-21awk00:30:170
16891997823,49cyclictest29310-21ntp_kernel_pll_19:40:270
1689799779,21cyclictest16882-21cyclictest23:15:131
1689799776,19cyclictest12840-21apt-get23:30:131
16897997719,17cyclictest503-21snmpd22:32:041
16897997713,16cyclictest0-21swapper/119:10:261
1689199777,10cyclictest23449-21aten2.4-expect00:00:160
1689199775,63cyclictest0-21swapper/021:00:130
16891997723,48cyclictest12737-21date23:30:010
16891997722,49cyclictest11007-21processes20:20:320
1689199772,17cyclictest2147-21ls21:30:010
16891997718,52cyclictest7599-21awk20:10:340
16891997712,57cyclictest0-21swapper/023:20:140
42512760,6sleep04248-21apt-config21:35:010
1689799769,20cyclictest1787-21apt-get00:30:111
1689799767,22cyclictest21610-21apt-get23:55:121
1689799767,21cyclictest16391-21apt-get23:40:121
1689799767,21cyclictest16391-21apt-get23:40:121
1689799767,20cyclictest11655-21apt-get21:55:131
16897997619,18cyclictest3685-21head00:35:171
16897997619,18cyclictest3685-21head00:35:171
1689199766,18cyclictest4898-21apt-get20:05:140
1689199765,9cyclictest0-21swapper/021:50:240
1689199762,68cyclictest19367-21if_enp2s019:15:070
1689199762,21cyclictest24551-21ls22:30:170
16891997620,51cyclictest4723-21seq20:05:000
16891997617,54cyclictest29114-21seq22:42:340
16891997611,56cyclictest0-21swapper/023:50:110
16891997610,58cyclictest0-21swapper/021:45:140
16891997610,57cyclictest0-21swapper/020:40:130
1689799756,21cyclictest17220-21apt-get20:40:131
1689199756,11cyclictest0-21swapper/023:30:130
1689199755,65cyclictest0-21swapper/021:10:210
1689199755,65cyclictest0-21swapper/021:10:210
16891997523,46cyclictest4955-21cat21:35:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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