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2025-07-03 - 14:22
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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 50 highest latencies:
System rackbslot6.osadl.org (updated Thu Jul 03, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
472223050,4sleep30-21swapper/321:55:303
542021770,4sleep1591499cyclictest23:05:401
1637121730,4sleep2592399cyclictest01:31:152
1114021620,2sleep10-21swapper/101:25:441
1680421520,4sleep0591099cyclictest00:20:350
56021320,5sleep1591499cyclictest03:03:041
151891690,1ptp4l401ktimersoftd/302:01:073
289802670,2sleep30-21swapper/302:58:203
297332660,3sleep30-21swapper/301:10:403
151891660,2ptp4l401ktimersoftd/323:35:433
151891660,1ptp4l401ktimersoftd/322:01:063
208182620,1sleep10-21swapper/101:00:391
138672610,3sleep2592399cyclictest00:53:492
148652580,2sleep20-21swapper/202:41:452
151891570,1ptp4l401ktimersoftd/303:09:183
151891570,1ptp4l401ktimersoftd/302:08:093
56032554,39sleep10-21swapper/121:57:351
151891550,1ptp4l401ktimersoftd/322:34:323
52292530,2sleep30-21swapper/302:30:503
310242530,4sleep031022-21irqrtprio03:00:380
289872530,1sleep00-21swapper/002:21:080
28872530,2sleep20-21swapper/201:16:462
5914995029,9cyclictest25-21ksoftirqd/101:50:411
591099504,6cyclictest2686-21/usr/sbin/munin00:05:310
5914994923,4cyclictest25-21ksoftirqd/101:45:481
5914994922,4cyclictest25-21ksoftirqd/101:40:381
5914994922,4cyclictest25-21ksoftirqd/101:40:381
5914994917,14cyclictest25-21ksoftirqd/101:40:151
5914994917,14cyclictest25-21ksoftirqd/101:40:151
591099494,7cyclictest101ktimersoftd/023:50:130
591099494,7cyclictest101ktimersoftd/002:40:360
591099491,8cyclictest10962-21tail00:50:320
5914994841,3cyclictest25-21ksoftirqd/100:30:181
5914994823,3cyclictest25-21ksoftirqd/103:05:291
591099484,6cyclictest101ktimersoftd/000:10:300
151891480,1ptp4l401ktimersoftd/300:47:243
5931994739,4cyclictest41-21ksoftirqd/303:20:323
5931994739,4cyclictest41-21ksoftirqd/303:20:323
5914994738,5cyclictest25-21ksoftirqd/123:15:241
591099473,6cyclictest14783-21head01:30:370
591099472,7cyclictest101ktimersoftd/001:55:290
591099471,7cyclictest29911-21diskmemload02:05:390
591099471,7cyclictest15069-21head03:20:360
591099471,7cyclictest15069-21head03:20:360
101122470,2sleep20-21swapper/203:15:102
5931994638,4cyclictest41-21ksoftirqd/322:35:243
5914994633,10cyclictest26596-21turbostat02:20:161
5914994628,10cyclictest25-21ksoftirqd/101:15:151
5914994621,4cyclictest25-21ksoftirqd/122:20:421
5914994611,14cyclictest25-21ksoftirqd/103:15:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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