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2026-05-29 - 01:05
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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 Thu May 28, 2026 12:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3108129028,51sleep10-21swapper/107:06:011
31643998969,12cyclictest26-21ksoftirqd/107:45:121
31643997952,14cyclictest26-21ksoftirqd/111:55:121
31643997948,15cyclictest26-21ksoftirqd/108:10:131
31643997746,19cyclictest26-21ksoftirqd/111:35:121
2989527728,37sleep00-21swapper/007:05:110
31643997445,19cyclictest26-21ksoftirqd/112:05:121
31643997445,19cyclictest26-21ksoftirqd/109:20:141
31643997240,18cyclictest0-21swapper/108:40:131
31643997125,11cyclictest26-21ksoftirqd/112:19:481
3163999718,6cyclictest151rcu_preempt09:00:220
31639997137,29cyclictest14-21ksoftirqd/011:30:360
31639997133,32cyclictest14-21ksoftirqd/010:20:120
31643997040,17cyclictest0-21swapper/107:30:111
31643997040,17cyclictest0-21swapper/107:30:111
31643997027,39cyclictest26-21ksoftirqd/107:51:441
31643997013,8cyclictest151rcu_preempt11:25:011
31639997035,20cyclictest14-21ksoftirqd/010:43:210
31643996940,16cyclictest26-21ksoftirqd/107:40:151
31643996940,15cyclictest0-21swapper/110:25:131
31639996933,20cyclictest14-21ksoftirqd/010:18:170
31639996933,20cyclictest14-21ksoftirqd/009:18:040
31639996933,20cyclictest14-21ksoftirqd/009:18:040
31643996840,17cyclictest0-21swapper/109:55:111
31643996741,15cyclictest0-21swapper/108:20:121
3163999677,49cyclictest0-21swapper/008:25:120
3163999674,48cyclictest0-21swapper/008:01:170
31639996738,13cyclictest14-21ksoftirqd/011:40:000
31639996733,29cyclictest14-21ksoftirqd/009:25:280
31639996729,16cyclictest14-21ksoftirqd/012:10:160
31643996640,16cyclictest0-21swapper/109:00:111
31639996636,23cyclictest14-21ksoftirqd/007:10:250
31639996635,27cyclictest14-21ksoftirqd/012:15:220
31639996631,27cyclictest14-21ksoftirqd/010:05:150
31643996520,11cyclictest26-21ksoftirqd/110:00:241
31639996524,26cyclictest14-21ksoftirqd/009:40:160
31643996432,17cyclictest0-21swapper/111:45:121
31639996431,28cyclictest14-21ksoftirqd/010:10:300
31639996430,29cyclictest14-21ksoftirqd/007:20:350
31639996413,15cyclictest151rcu_preempt12:30:000
173052640,7chrt0-21swapper/109:30:231
31643996337,14cyclictest0-21swapper/110:15:111
31643996313,16cyclictest26-21ksoftirqd/108:10:001
31643996313,16cyclictest26-21ksoftirqd/108:10:001
31643996311,8cyclictest151rcu_preempt09:55:011
3163999637,42cyclictest151rcu_preempt08:45:300
3163999634,38cyclictest8103-21memory10:35:240
3163999633,52cyclictest14615-21df_inode07:50:300
31639996334,23cyclictest14-21ksoftirqd/009:55:180
31639996333,24cyclictest14-21ksoftirqd/010:45:180
31643996233,17cyclictest0-21swapper/109:05:131
31643996230,18cyclictest0-21swapper/112:10:111
31639996237,16cyclictest0-21swapper/009:05:120
31639996229,28cyclictest14-21ksoftirqd/012:33:220
31639996229,28cyclictest14-21ksoftirqd/012:33:220
31639996224,9cyclictest14-21ksoftirqd/011:25:040
31639996217,30cyclictest14-21ksoftirqd/011:22:060
31639996214,20cyclictest14-21ksoftirqd/010:30:220
280972620,7sleep1251rcuc/108:30:001
3164399617,15cyclictest26-21ksoftirqd/111:25:051
3164399615,15cyclictest26-21ksoftirqd/111:15:051
31643996132,17cyclictest0-21swapper/111:10:151
3163999618,34cyclictest0-21swapper/008:10:300
31639996138,8cyclictest14-21ksoftirqd/007:15:060
31639996136,19cyclictest14-21ksoftirqd/008:40:240
31639996135,10cyclictest14-21ksoftirqd/011:05:140
31639996132,23cyclictest14-21ksoftirqd/009:24:220
31639996123,22cyclictest14-21ksoftirqd/008:05:120
31639996123,22cyclictest14-21ksoftirqd/008:05:120
31639996123,13cyclictest14-21ksoftirqd/007:55:100
3164399606,16cyclictest26-21ksoftirqd/108:50:011
31643996031,21cyclictest9839-31find07:36:101
31643996029,17cyclictest0-21swapper/108:00:151
31639996037,9cyclictest14-21ksoftirqd/007:30:160
31639996037,9cyclictest14-21ksoftirqd/007:30:160
31639996035,20cyclictest31633-21cyclictest10:55:170
31639996035,19cyclictest14-21ksoftirqd/011:55:010
31639996032,15cyclictest14-21ksoftirqd/008:34:040
31639996021,20cyclictest14-21ksoftirqd/009:50:330
31643995919,32cyclictest0-21swapper/109:45:151
31643995919,32cyclictest0-21swapper/109:45:151
31643995913,17cyclictest151rcu_preempt09:40:001
31639995937,7cyclictest14-21ksoftirqd/008:56:350
31639995937,16cyclictest14-21ksoftirqd/012:35:160
31639995936,8cyclictest14-21ksoftirqd/011:40:240
31639995936,8cyclictest14-21ksoftirqd/009:35:180
31639995934,10cyclictest9900-21/usr/sbin/munin09:10:350
31639995926,16cyclictest5048-21/usr/sbin/munin07:25:170
31639995924,16cyclictest14-21ksoftirqd/012:04:000
31639995911,24cyclictest8312-21sed12:05:350
3164399586,45cyclictest0-21swapper/111:30:181
31643995841,10cyclictest0-21swapper/107:25:211
31643995829,17cyclictest0-21swapper/109:25:141
31643995823,24cyclictest457-21dbus-daemon11:00:001
31643995817,38cyclictest26-21ksoftirqd/108:30:201
31639995837,15cyclictest14-21ksoftirqd/009:30:370
31639995836,7cyclictest14-21ksoftirqd/008:37:430
31639995835,8cyclictest14-21ksoftirqd/011:10:320
31639995835,8cyclictest14-21ksoftirqd/008:20:160
31639995834,9cyclictest14-21ksoftirqd/012:20:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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