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2025-12-28 - 03:57
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 highest latencies:
System rack7slot8.osadl.org (updated Sun Dec 28, 2025 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15489219918,52sleep00-21swapper/019:07:380
570421065,11sleep05737-21if_eth020:35:310
1864221035,10sleep018643-21diskstats19:20:220
2362021025,11sleep01305-21snmpd23:52:350
1686121005,11sleep016864-21irqstats23:25:320
15841999941,43cyclictest0-21swapper/019:50:350
15841999737,44cyclictest101ktimersoftd/000:00:120
131762976,11sleep013189-21/usr/sbin/munin21:05:300
15841999641,42cyclictest101ktimersoftd/020:22:110
152852965,12sleep014059-21apt-get21:11:420
193582936,12sleep019360-21memory23:35:350
15841999356,17cyclictest27519-21seq19:55:400
324012925,12sleep00-21swapper/022:20:120
15841999270,11cyclictest0-21swapper/019:10:040
15841999251,26cyclictest101ktimersoftd/020:50:400
15841999213,15cyclictest1408-21nginx21:02:350
307362915,11sleep01305-21snmpd20:09:580
15841999061,13cyclictest101ktimersoftd/022:17:060
15841998962,11cyclictest101ktimersoftd/023:49:070
15841998846,27cyclictest101ktimersoftd/020:12:090
15841998841,32cyclictest10250irq/56-4a10000021:53:390
15841998745,26cyclictest101ktimersoftd/023:22:130
15841998744,29cyclictest3650irq/20-4900000022:12:090
15841998647,27cyclictest0-21swapper/020:15:210
15841998548,26cyclictest0-21swapper/021:15:240
15841998543,28cyclictest3650irq/20-4900000022:40:380
15841998538,15cyclictest10250irq/56-4a10000020:27:270
15841998461,11cyclictest101ktimersoftd/019:48:040
15841998436,33cyclictest10250irq/56-4a10000020:58:210
15841998428,47cyclictest0-21swapper/019:33:370
15841998349,25cyclictest0-21swapper/000:30:280
15841998348,22cyclictest0-21swapper/000:20:050
15841998339,28cyclictest10250irq/56-4a10000021:25:150
15841998326,19cyclictest18008-21sshd21:23:280
15841998323,14cyclictest21997-21chrt21:40:040
15841998247,24cyclictest25244-21latency_hist00:00:070
15841998246,27cyclictest0-21swapper/000:10:460
15841998240,28cyclictest101ktimersoftd/000:05:210
15841998240,12cyclictest101ktimersoftd/022:40:020
15841998211,19cyclictest13546-21latency_hist23:15:030
1584199819,20cyclictest31867-21irqstats00:25:370
15841998162,11cyclictest101ktimersoftd/000:15:240
15841998158,10cyclictest101ktimersoftd/022:03:050
15841998152,15cyclictest10150irq/55-4a10000000:35:300
15841998144,27cyclictest0-21swapper/021:45:200
15841998143,27cyclictest0-21swapper/022:45:150
15841998136,30cyclictest10250irq/56-4a10000021:42:480
15841998129,16cyclictest18088-21if_eth023:30:300
15841998122,12cyclictest10150irq/55-4a10000020:32:460
15841998121,15cyclictest29430-21https22:10:080
15841998058,9cyclictest101ktimersoftd/019:37:360
15841998044,27cyclictest0-21swapper/021:55:310
15841998017,48cyclictest205892sleep023:40:330
1584199798,27cyclictest7476-21wget22:50:130
1584199798,18cyclictest8271-21memory20:45:350
15841997959,13cyclictest101ktimersoftd/022:55:230
15841997952,13cyclictest10150irq/55-4a10000022:30:210
15841997950,13cyclictest10150irq/55-4a10000019:15:190
15841997932,34cyclictest0-21swapper/019:25:090
15841997859,12cyclictest101ktimersoftd/021:35:010
15841997849,13cyclictest10150irq/55-4a10000020:05:010
15841997835,28cyclictest14891-21dpkg23:20:090
15841997832,34cyclictest18512chrt22:25:540
15841997741,25cyclictest0-21swapper/023:05:140
15841997629,30cyclictest7081-21/usr/sbin/munin20:40:350
15841997547,13cyclictest10150irq/55-4a10000023:00:330
15841997444,13cyclictest10150irq/55-4a10000019:45:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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