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2026-01-04 - 11:23
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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 100 highest latencies:
System rack0slot1.osadl.org (updated Sun Jan 04, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
154102730,0sleep50-21swapper/520:49:085
250652670,0sleep10-21swapper/121:23:411
136072660,0sleep00-21swapper/021:15:550
318042640,0sleep20-21swapper/200:14:212
87492610,0sleep50-21swapper/520:43:565
752824229,7sleep40-21swapper/419:05:024
751724229,7sleep30-21swapper/319:05:013
73022410,0sleep40-21swapper/420:09:024
885723925,8sleep20-21swapper/219:06:362
971623826,7sleep50-21swapper/519:08:325
973423725,7sleep70-21swapper/719:08:347
952323725,7sleep10-21swapper/119:07:561
776523724,8sleep60-21swapper/619:05:126
889623622,8sleep00-21swapper/019:06:420
65402280,0sleep10-21swapper/122:10:521
65402280,0sleep10-21swapper/122:10:521
1000622720,2sleep20-21swapper/219:08:452
1000622720,2sleep20-21swapper/219:08:452
173842240,1sleep40-21swapper/422:17:274
1101099243,19cyclictest6744-21postmaster22:51:444
1100499240,10cyclictest0-21swapper/120:04:011
1102299227,2cyclictest0-21swapper/723:58:597
5512190,0sleep10-21swapper/122:46:401
44352190,0sleep50-21swapper/521:29:465
1100899190,1cyclictest0-21swapper/320:49:503
1100599180,2cyclictest8030-21munin-run19:38:442
11003991816,1cyclictest186650irq/25-eth022:10:220
11003991816,1cyclictest186650irq/25-eth022:10:220
33312170,0sleep50-21swapper/522:28:585
1100399178,7cyclictest3040-21dhcpd21:44:150
1100399177,3cyclictest9-21ksoftirqd/020:43:560
11003991715,1cyclictest12122-21kworker/0:122:58:210
1100399170,1cyclictest8037-21perf19:38:440
205932160,0sleep10-21swapper/122:58:581
11022991613,2cyclictest2909-21snmpd22:40:517
1101399163,6cyclictest8919-21JNI-ICMP-27473-21:04:216
1101399160,1cyclictest0-21swapper/622:16:516
11010991613,2cyclictest21410-21cat23:38:584
1100899161,13cyclictest8538-21C210:58:343
1100599165,4cyclictest8599-21JNI-ICMP-17883-21:05:242
1100599164,5cyclictest10214-21JNI-ICMP-32139-19:43:452
11005991613,2cyclictest2909-21snmpd21:21:052
1100599161,14cyclictest31450-21QueuingRrdStrat23:36:542
1100599160,1cyclictest0-21swapper/222:59:002
11004991613,2cyclictest0-21swapper/100:13:511
1100499160,8cyclictest0-21swapper/100:12:461
1100499160,3cyclictest0-21swapper/121:16:491
1100499160,14cyclictest0-21swapper/122:33:581
1100399169,3cyclictest3040-21dhcpd22:38:430
1102299153,7cyclictest8599-21JNI-ICMP-17883-00:34:467
11022991513,1cyclictest79-21ksoftirqd/721:31:267
11022991512,2cyclictest2909-21snmpd22:57:517
11022991512,2cyclictest2909-21snmpd20:03:357
11022991512,2cyclictest27692-21cat22:04:017
11022991511,2cyclictest19810-21importExecutor-00:03:467
1102299150,14cyclictest0-21swapper/719:47:357
1102299150,13cyclictest0-21swapper/721:40:057
1102299150,13cyclictest0-21swapper/720:58:357
1101399153,6cyclictest8919-21JNI-ICMP-27473-21:50:326
11013991512,2cyclictest28869-21cat23:03:596
11011991512,2cyclictest2909-21snmpd23:29:215
11011991512,2cyclictest23496-21sadc23:58:435
1101199151,12cyclictest8538-21C210:58:345
1101199150,14cyclictest0-21swapper/522:48:595
1101199150,14cyclictest0-21swapper/520:27:205
1101099154,5cyclictest8922-21JNI-ICMP-31309-21:14:364
1101099153,5cyclictest8928-21JNI-ICMP-26815-21:04:224
11010991513,1cyclictest2909-21snmpd22:42:214
11010991513,1cyclictest0-21swapper/421:44:014
1101099150,1cyclictest0-21swapper/400:34:074
1101099150,14cyclictest0-21swapper/420:14:054
1100899153,6cyclictest10214-21JNI-ICMP-32139-21:44:433
11008991512,2cyclictest2909-21snmpd23:12:513
11008991512,2cyclictest0-21swapper/323:54:363
11008991512,2cyclictest0-21swapper/323:21:063
11008991511,2cyclictest29816-21ps23:24:063
1100899150,13cyclictest18020-21QueuingRrdStrat21:34:033
1100599155,5cyclictest8928-21JNI-ICMP-26815-20:45:242
1100599153,6cyclictest8599-21JNI-ICMP-17883-21:49:172
1100599152,5cyclictest8928-21JNI-ICMP-26815-23:24:442
11005991513,1cyclictest2259-21named19:57:582
11005991513,1cyclictest2259-21named19:57:582
11005991513,1cyclictest14150irq/24-ahci[00020:20:502
11005991512,2cyclictest9228-21Statsd_Worker-520:01:582
11005991512,2cyclictest25041-21cat23:58:592
1100599151,1cyclictest0-21swapper/223:18:592
1100599151,1cyclictest0-21swapper/222:05:052
1100599150,1cyclictest8928-21JNI-ICMP-26815-22:37:022
1100599150,1cyclictest0-21swapper/222:57:122
1100499154,5cyclictest8602-21JNI-ICMP-6291-S21:45:381
1100499153,7cyclictest10214-21JNI-ICMP-32139-21:56:211
1100499153,7cyclictest0-21swapper/120:34:371
1100499153,6cyclictest8599-21JNI-ICMP-17883-20:39:421
11004991512,2cyclictest11903-21cat22:13:591
1100499150,7cyclictest0-21swapper/120:57:311
1100499150,6cyclictest0-21swapper/120:50:371
1100499150,2cyclictest2429-21openvpn23:24:001
1100499150,13cyclictest0-21swapper/120:43:551
1100399153,5cyclictest8922-21JNI-ICMP-31309-00:19:100
11003991513,1cyclictest1928-21kworker/0:221:35:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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