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2026-08-24 - 09:01
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot4.osadl.org (updated Mon Aug 24, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2783399693,13cyclictest0-21swapper/319:14:373
27833996211,45cyclictest0-21swapper/320:52:563
2783399609,12cyclictest6641-21sort20:58:353
2783399589,42cyclictest18486-21/usr/sbin/munin19:18:393
2783399586,46cyclictest2577-21ssh21:37:153
27833995812,40cyclictest18358-21ssh20:30:363
27833995810,42cyclictest29379-21/usr/sbin/munin21:28:423
27833995810,42cyclictest29379-21/usr/sbin/munin21:28:423
2783399579,42cyclictest31582-21/usr/sbin/munin19:53:483
2783399576,45cyclictest3675-21ssh22:22:163
2783399576,45cyclictest3675-21ssh22:22:163
2783399576,45cyclictest21940-21ssh22:03:253
27833995711,39cyclictest27793-21iostat20:43:313
27833995711,39cyclictest27793-21iostat20:43:313
2783399570,13cyclictest0-21swapper/321:15:453
2782899575,7cyclictest0-21swapper/222:35:532
2782299574,47cyclictest0-21swapper/123:08:241
2783399569,40cyclictest12862-21/usr/sbin/munin19:03:323
2783399564,46cyclictest0-21swapper/323:26:013
27833995613,37cyclictest0-21swapper/320:23:063
27833995610,39cyclictest16619-21/usr/sbin/munin22:38:383
27833995610,39cyclictest0-21swapper/321:06:053
2782299564,14cyclictest0-21swapper/123:24:021
2783399559,39cyclictest12589-21/usr/sbin/munin20:23:273
2783399558,41cyclictest6897-21ssh22:26:093
2783399558,13cyclictest27843-21/usr/sbin/munin19:43:393
2783399558,13cyclictest27843-21/usr/sbin/munin19:43:393
2783399557,41cyclictest27231-21df_inode22:53:233
2783399554,46cyclictest0-21swapper/320:53:433
2783399554,44cyclictest0-21swapper/323:00:233
2783399553,46cyclictest0-21swapper/321:23:403
27833995514,34cyclictest26113-21kernelversion22:08:313
27833995512,37cyclictest0-21swapper/323:36:323
27833995510,39cyclictest32163-21/usr/sbin/munin18:28:413
2782299555,43cyclictest0-21swapper/120:35:571
2782299555,42cyclictest0-21swapper/121:04:151
2782299554,45cyclictest0-21swapper/122:28:031
2783399549,12cyclictest22380-21cpu19:28:273
2783399548,40cyclictest24142-21ssh21:22:553
2783399547,41cyclictest3445-21ssh23:47:513
2783399546,43cyclictest24400-21ssh23:32:393
2783399544,44cyclictest543-21systemd-logind18:38:163
2783399543,46cyclictest0-21swapper/318:40:403
27833995413,35cyclictest0-21swapper/323:15:463
27833995413,35cyclictest0-21swapper/322:29:133
27833995413,35cyclictest0-21swapper/322:16:033
27833995411,37cyclictest0-21swapper/322:36:033
27833995410,38cyclictest14815-21perl21:53:283
27833995410,37cyclictest2933-21/usr/sbin/munin20:03:393
2782299544,44cyclictest0-21swapper/121:34:451
2782299543,18cyclictest17177-21ssh21:56:481
2783399539,38cyclictest21365-21ssh20:34:023
2783399539,38cyclictest12162-21ssh21:48:503
2783399539,37cyclictest13581-21df21:08:253
2783399538,39cyclictest30826-21cut18:23:363
2783399537,40cyclictest16170-21ssh23:21:123
2783399533,45cyclictest0-21swapper/320:13:153
27833995312,35cyclictest0-21swapper/323:06:183
27833995312,34cyclictest0-21swapper/322:45:003
27833995311,36cyclictest549-21NetworkManager19:48:293
27833995311,36cyclictest549-21NetworkManager19:48:293
27833995310,36cyclictest7497-21/usr/sbin/munin18:48:313
2782299535,10cyclictest0-21swapper/123:01:031
27822995320,28cyclictest21-21ksoftirqd/121:13:351
2783399528,38cyclictest7166-21df_inode21:43:253
2783399528,38cyclictest3932-21latency21:38:313
2783399527,39cyclictest25285-21unixbench_multi19:33:453
2783399527,38cyclictest27148-21ssh20:43:153
2783399526,40cyclictest0-21swapper/319:23:373
2783399523,8cyclictest0-21swapper/323:38:183
2783399523,8cyclictest0-21swapper/323:38:183
2783399523,45cyclictest0-21swapper/320:13:443
27828995242,5cyclictest29-21ksoftirqd/219:18:162
2782899524,40cyclictest0-21swapper/221:11:052
2782299524,10cyclictest0-21swapper/121:25:351
27822995217,30cyclictest21-21ksoftirqd/120:43:451
27822995217,30cyclictest21-21ksoftirqd/120:43:451
2781899523,43cyclictest0-21swapper/020:23:260
2781899522,7cyclictest28129-21ssh23:37:320
2783399518,37cyclictest9124-21/usr/sbin/munin18:53:313
2783399518,37cyclictest24873-21ssh22:49:063
2783399518,37cyclictest19978-21ssh21:59:473
2783399518,37cyclictest14729-21/usr/sbin/munin19:08:353
2783399518,37cyclictest0-21swapper/323:09:123
2783399517,38cyclictest1225-21df19:58:283
27833995110,35cyclictest5386-21/usr/sbin/munin18:43:503
2782899515,39cyclictest0-21swapper/222:48:252
2782899513,42cyclictest0-21swapper/220:41:062
2782299514,40cyclictest0-21swapper/122:42:041
2782299513,41cyclictest0-21swapper/123:45:421
2781899514,41cyclictest0-21swapper/022:59:230
2781899513,43cyclictest0-21swapper/020:14:060
274452519,15sleep30-21swapper/318:16:403
2782899505,38cyclictest0-21swapper/221:03:272
2782899505,18cyclictest0-21swapper/220:20:542
2782899504,40cyclictest0-21swapper/223:43:022
2782899504,40cyclictest0-21swapper/223:43:022
2782899504,40cyclictest0-21swapper/221:53:172
2782899503,42cyclictest0-21swapper/219:26:382
2782899503,41cyclictest0-21swapper/222:22:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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