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2025-12-09 - 07:13
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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 Tue Dec 09, 2025 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
265222720,0sleep60-21swapper/623:08:346
94972660,0sleep30-21swapper/319:52:043
2157724420,4sleep60-21swapper/619:01:056
2157724420,4sleep60-21swapper/619:01:056
2125424321,7sleep50-21swapper/519:00:085
2125424321,7sleep50-21swapper/519:00:085
2075324330,7sleep20-21swapper/218:59:012
2075324330,7sleep20-21swapper/218:59:012
1992323927,7sleep10-21swapper/118:58:281
1992323927,7sleep10-21swapper/118:58:281
2166223723,8sleep40-21swapper/419:01:274
2166223723,8sleep40-21swapper/419:01:274
2075823723,8sleep30-21swapper/318:59:023
2075823723,8sleep30-21swapper/318:59:023
2100923623,7sleep70-21swapper/718:59:227
2100923623,7sleep70-21swapper/718:59:227
2073423522,8sleep00-21swapper/018:58:590
2073423522,8sleep00-21swapper/018:58:590
22505993312,3cyclictest26223-21Poller-Thread-122:15:541
22505993213,1cyclictest25-21ksoftirqd/121:43:021
22505993213,1cyclictest0-21swapper/122:28:141
22505993011,1cyclictest29058-1kworker/u17:121:52:201
22505993011,1cyclictest0-21swapper/121:48:581
22505992910,1cyclictest25-21ksoftirqd/122:17:001
22505992910,1cyclictest0-21swapper/122:21:581
22505992910,1cyclictest0-21swapper/122:02:341
22505992910,1cyclictest0-21swapper/122:02:341
22505992910,1cyclictest0-21swapper/122:00:401
2250599289,1cyclictest0-21swapper/122:32:201
2250599289,1cyclictest0-21swapper/122:11:241
168892220,1sleep52465-21openvpn00:10:415
70732210,0sleep50-21swapper/521:57:035
18442210,1sleep232-21rcuc/221:53:482
22510992018,1cyclictest0-21swapper/600:22:056
2250599206,2cyclictest23-21rcuc/119:42:041
22505992016,3cyclictest2465-21openvpn00:22:261
217902200,0sleep43916-21runrttasks22:46:374
2250599193,15cyclictest1049-21postmaster20:40:341
22505991914,4cyclictest2465-21openvpn22:37:061
2250599191,16cyclictest25-21ksoftirqd/119:19:041
2250599190,18cyclictest0-21swapper/123:55:361
2250599190,18cyclictest0-21swapper/123:55:361
2250599190,13cyclictest25421-21GC11:34:451
272102180,1sleep43125-21postmaster20:09:194
2250999185,5cyclictest25465-21JNI-ICMP-28494-19:16:195
2250599182,15cyclictest25792-21ssh21:28:501
22505991816,1cyclictest21075-21kworker/1:120:24:241
22505991814,3cyclictest26523-21Collectd-Thread20:11:541
22505991814,3cyclictest0-21swapper/121:37:181
22505991813,4cyclictest0-21swapper/122:48:041
2250599180,1cyclictest0-21swapper/120:50:421
2250599180,16cyclictest241ktimersoftd/100:03:281
223692186,7sleep40-21swapper/419:01:514
79172170,1sleep27919-21timerandwakeup21:37:142
2250699173,8cyclictest25465-21JNI-ICMP-28494-23:53:482
2250699173,8cyclictest25465-21JNI-ICMP-28494-23:53:482
2250699173,6cyclictest27152-21JNI-ICMP-15815-23:57:332
22505991715,1cyclictest23-21rcuc/123:58:341
22505991715,1cyclictest18269-21ssh21:04:081
22505991715,1cyclictest18269-21ssh21:04:081
22505991713,3cyclictest0-21swapper/122:59:041
22505991713,1cyclictest23-21rcuc/120:17:021
22505991712,4cyclictest8970-21kworker/1:020:57:021
22505991712,4cyclictest8970-21kworker/1:020:57:021
22505991712,4cyclictest0-21swapper/119:38:221
2250599171,1cyclictest0-21swapper/119:56:181
2250599171,15cyclictest21075-21kworker/1:120:04:161
2250599170,1cyclictest241ktimersoftd/121:24:081
2250599170,1cyclictest22019-21kworker/1:019:02:221
2250599170,1cyclictest15636-21kworker/1:122:44:221
2250599170,1cyclictest0-21swapper/100:27:381
2250599170,16cyclictest21075-21kworker/1:120:32:361
2250599170,15cyclictest21075-21kworker/1:120:07:181
2251099163,6cyclictest25465-21JNI-ICMP-28494-23:26:546
22510991613,2cyclictest0-21swapper/621:37:316
22510991613,2cyclictest0-21swapper/621:36:126
2250999163,6cyclictest25742-21JNI-ICMP-23951-23:46:025
2250699160,15cyclictest0-21swapper/223:26:102
22505991614,1cyclictest7842-21snmp_nas.osadl.23:37:041
22505991614,1cyclictest25-21ksoftirqd/123:30:001
22505991614,1cyclictest25-21ksoftirqd/123:24:281
22505991614,1cyclictest0-21swapper/123:03:441
22505991614,1cyclictest0-21swapper/121:18:381
22505991611,4cyclictest11-21rcu_preempt20:52:021
22505991611,4cyclictest0-21swapper/123:19:241
22505991611,4cyclictest0-21swapper/119:56:501
22505991611,4cyclictest0-21swapper/119:56:501
42142150,0sleep70-21swapper/700:06:037
22511991512,2cyclictest2918-21snmpd20:54:017
2251099153,7cyclictest25465-21JNI-ICMP-28494-21:16:026
2251099153,6cyclictest25739-21JNI-ICMP-26361-20:47:196
22510991513,1cyclictest2918-21snmpd19:56:306
2251099150,14cyclictest0-21swapper/619:38:306
2250999154,5cyclictest25465-21JNI-ICMP-28494-22:18:315
2250999153,6cyclictest25742-21JNI-ICMP-23951-19:38:225
22509991513,1cyclictest17976-21mrtg20:01:495
22509991513,1cyclictest17976-21mrtg20:01:495
22509991512,2cyclictest2918-21snmpd23:54:165
22509991512,2cyclictest2918-21snmpd23:54:165
22508991512,2cyclictest2918-21snmpd22:05:014
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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