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2026-05-15 - 06:07
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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 Fri May 15, 2026 00:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
553321430,5chrt5532-21/usr/sbin/munin23:00:250
3156921180,6sleep031573-21kernelversion21:10:270
19796210024,28sleep00-21swapper/019:07:200
222522990,6chrt141ksoftirqd/019:15:050
20243999925,22cyclictest24623-21kworker/1:219:40:151
20238998028,35cyclictest503-21snmpd21:45:390
2023899793,48cyclictest21145-21users22:10:370
20243997849,22cyclictest26-21ksoftirqd/122:55:121
20243997748,19cyclictest26-21ksoftirqd/100:35:151
20238997734,9cyclictest14-21ksoftirqd/022:45:530
20238997724,38cyclictest14-21ksoftirqd/020:06:510
20243997648,18cyclictest26-21ksoftirqd/122:30:121
20243997639,31cyclictest26-21ksoftirqd/121:35:011
2023899765,60cyclictest0-21swapper/000:05:160
20243997530,40cyclictest26-21ksoftirqd/120:05:171
20243997445,22cyclictest26-21ksoftirqd/119:20:121
20243997444,16cyclictest0-21swapper/121:20:121
20238997436,21cyclictest14-21ksoftirqd/023:15:280
20238997436,21cyclictest14-21ksoftirqd/023:15:280
2023899742,16cyclictest5689-21users00:30:380
20238997328,23cyclictest14-21ksoftirqd/023:05:340
20243997227,11cyclictest26-21ksoftirqd/122:15:371
20238997237,30cyclictest14-21ksoftirqd/000:26:130
20238997234,9cyclictest14-21ksoftirqd/000:04:120
20238997216,27cyclictest503-21snmpd20:55:250
20243997140,19cyclictest0-21swapper/123:10:171
2023899716,52cyclictest0-21swapper/022:15:110
20238997136,29cyclictest14-21ksoftirqd/021:15:330
20238997136,23cyclictest14-21ksoftirqd/022:30:130
20243997041,18cyclictest0-21swapper/122:00:111
20243997041,18cyclictest0-21swapper/121:35:131
20243997039,21cyclictest0-21swapper/123:00:131
2023899707,49cyclictest0-21swapper/019:25:120
20238996943,9cyclictest14-21ksoftirqd/019:35:150
20238996937,27cyclictest14-21ksoftirqd/020:30:190
20238996937,27cyclictest14-21ksoftirqd/020:30:190
20238996934,20cyclictest14-21ksoftirqd/020:35:170
2023899693,39cyclictest31267-21ntp_states22:40:300
2024399682,17cyclictest5476-21turbostat21:30:001
20238996836,26cyclictest14-21ksoftirqd/023:26:000
20238996833,22cyclictest14-21ksoftirqd/023:45:120
20238996813,43cyclictest9730-21grep23:10:390
20243996739,16cyclictest0-21swapper/122:05:141
20243996739,16cyclictest0-21swapper/122:05:131
20243996732,30cyclictest26-21ksoftirqd/120:25:261
2024399673,14cyclictest26-21ksoftirqd/122:45:001
20243996710,52cyclictest36-21kcompactd019:55:131
20238996740,8cyclictest14-21ksoftirqd/021:35:250
20238996733,19cyclictest14-21ksoftirqd/022:50:160
20243996638,17cyclictest0-21swapper/119:25:141
20243996637,18cyclictest0-21swapper/120:20:121
20238996644,9cyclictest14-21ksoftirqd/020:10:160
20238996633,27cyclictest14-21ksoftirqd/022:35:500
20238996620,18cyclictest26273-21mandb00:00:010
20238996611,23cyclictest151rcu_preempt23:35:160
1989026633,24sleep10-21swapper/119:08:221
20243996538,17cyclictest0-21swapper/119:30:121
20243996536,18cyclictest0-21swapper/121:15:151
20243996531,29cyclictest26-21ksoftirqd/119:15:031
20243996531,24cyclictest26-21ksoftirqd/120:15:111
20243996524,37cyclictest26-21ksoftirqd/123:25:261
20243996522,35cyclictest457-21dbus-daemon22:00:001
20243996513,8cyclictest151rcu_preempt23:55:051
20238996539,19cyclictest14-21ksoftirqd/019:42:530
20238996532,19cyclictest14-21ksoftirqd/022:20:460
20238996525,16cyclictest14-21ksoftirqd/021:40:370
20243996442,14cyclictest26-21ksoftirqd/122:25:101
20243996434,19cyclictest0-21swapper/123:40:151
20243996433,18cyclictest0-21swapper/121:50:231
2024399643,11cyclictest11932-21munin-run23:20:001
2024399643,11cyclictest11932-21munin-run23:20:001
2024399642,14cyclictest26-21ksoftirqd/100:05:001
20238996431,18cyclictest14-21ksoftirqd/023:41:030
20238996428,30cyclictest14-21ksoftirqd/019:49:530
20243996319,39cyclictest26-21ksoftirqd/120:00:201
20243996314,42cyclictest0-21swapper/120:10:191
20243996314,14cyclictest26-21ksoftirqd/120:55:051
20243996311,15cyclictest26-21ksoftirqd/123:25:011
20238996335,13cyclictest14-21ksoftirqd/021:30:000
20238996334,23cyclictest14-21ksoftirqd/021:05:270
20238996334,23cyclictest14-21ksoftirqd/021:05:270
2024399626,46cyclictest0-21swapper/122:45:131
20243996235,16cyclictest0-21swapper/121:00:121
20243996231,18cyclictest0-21swapper/100:20:151
2024399622,22cyclictest26-21ksoftirqd/119:15:071
20238996238,18cyclictest14-21ksoftirqd/020:45:180
20238996231,17cyclictest14-21ksoftirqd/020:20:140
2024399615,14cyclictest26-21ksoftirqd/100:35:011
20243996134,22cyclictest243-21systemd-journal20:45:001
20243996134,18cyclictest0-21swapper/122:35:131
20243996114,7cyclictest151rcu_preempt22:15:011
20238996136,9cyclictest14-21ksoftirqd/021:50:030
20238996136,18cyclictest14-21ksoftirqd/022:55:270
20238996136,10cyclictest25243-21/usr/sbin/munin22:25:200
20238996135,8cyclictest14-21ksoftirqd/019:55:120
20238996127,15cyclictest20275-21/usr/sbin/munin20:40:190
20238996118,11cyclictest14-21ksoftirqd/021:20:210
2024399603,11cyclictest10767-21munin-run21:45:001
20243996029,18cyclictest0-21swapper/122:50:121
2024399602,17cyclictest22473-21basename23:50:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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