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2025-11-27 - 21:42
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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 Thu Nov 27, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
254562800,0sleep00-21swapper/009:12:440
285722690,0sleep50-21swapper/507:47:415
204952670,0sleep20-21swapper/210:07:582
87072600,0sleep30-21swapper/309:42:033
325052590,0sleep20-21swapper/211:33:302
105692540,1sleep60-21swapper/606:57:516
1190023927,7sleep40-21swapper/406:59:594
1187923926,8sleep10-21swapper/106:59:481
1187623725,7sleep70-21swapper/706:59:467
1188023624,7sleep20-21swapper/206:59:492
1175523622,8sleep30-21swapper/306:59:183
1185223522,7sleep00-21swapper/006:59:390
1184423522,8sleep50-21swapper/506:59:365
39452220,0sleep00-21swapper/011:36:480
13751992215,3cyclictest17876-21ssh12:24:171
286572210,1sleep450-21rcuc/409:14:084
250412210,0sleep50-21swapper/509:51:595
250412210,0sleep50-21swapper/509:51:595
1375799210,19cyclictest0-21swapper/712:11:107
1375099200,1cyclictest0-21swapper/011:26:400
1375799185,7cyclictest7051-21JNI-ICMP-7963-S08:50:287
13753991816,1cyclictest41-21rcuc/308:17:543
13753991816,1cyclictest41-21rcuc/308:17:543
1375199184,7cyclictest8467-21JNI-ICMP-1817-S08:07:111
13751991816,1cyclictest25540-21QueuingRrdStrat09:45:521
13751991816,1cyclictest25540-21QueuingRrdStrat09:45:521
1375099184,8cyclictest25432-21dhcpd12:26:200
1375099180,1cyclictest190250irq/25-eth007:32:470
13756991712,3cyclictest25496-21munin-run09:52:306
13756991712,3cyclictest25496-21munin-run09:52:306
13754991715,1cyclictest0-21swapper/410:02:394
13753991713,2cyclictest0-21swapper/310:45:093
13753991711,4cyclictest43-21ksoftirqd/312:06:203
1375399170,15cyclictest1768-21kworker/3:208:01:103
1375199175,5cyclictest7061-21JNI-ICMP-8044-S07:17:211
1375199173,9cyclictest7451-21DataSender-Thre08:19:221
1375199173,9cyclictest7451-21DataSender-Thre08:19:221
1375099170,10cyclictest7063-21JNI-ICMP-8044-C09:58:590
102962170,0sleep10-21swapper/112:19:511
1375799164,8cyclictest6773-21JNI-ICMP-19443-08:12:127
1375799164,10cyclictest12377-21DefaultUDPTrans09:23:317
1375799162,12cyclictest27944-21postmaster09:48:017
1375799162,12cyclictest27944-21postmaster09:48:017
1375799161,14cyclictest6597-21pool-13-thread-07:28:067
1375799161,14cyclictest6597-21pool-13-thread-07:28:067
1375799160,9cyclictest18495-21munin-node10:07:447
1375799160,2cyclictest18003-21postmaster10:46:097
1375799160,14cyclictest0-21swapper/711:58:007
1375799160,14cyclictest0-21swapper/711:38:467
1375799160,14cyclictest0-21swapper/708:53:057
1375699160,1cyclictest0-21swapper/611:57:406
13755991614,1cyclictest0-21swapper/511:43:545
1375499162,7cyclictest7061-21JNI-ICMP-8044-S07:21:524
1375499161,13cyclictest0-21swapper/408:47:454
1375499160,1cyclictest0-21swapper/410:10:474
1375399167,5cyclictest9230-21postmaster10:15:173
1375399167,4cyclictest7061-21JNI-ICMP-8044-S10:05:373
13753991614,1cyclictest43-21ksoftirqd/310:53:323
13753991614,0cyclictest0-21swapper/307:07:523
13752991613,2cyclictest5640-21cat11:17:482
13752991613,2cyclictest5640-21cat11:17:482
13752991613,2cyclictest0-21swapper/210:17:382
1375199163,5cyclictest8467-21JNI-ICMP-1817-S09:11:021
13751991613,2cyclictest2918-21snmpd09:52:081
13751991613,2cyclictest2918-21snmpd09:52:081
13751991610,5cyclictest7761-21Collectd-Thread07:50:481
1375099164,6cyclictest6773-21JNI-ICMP-19443-11:15:020
1375099163,9cyclictest6778-21JNI-ICMP-30557-07:58:190
1375099162,7cyclictest6773-21JNI-ICMP-19443-08:59:040
13750991613,2cyclictest2918-21snmpd07:27:520
13750991613,2cyclictest2918-21snmpd07:27:520
1375799154,2cyclictest7702-21Collectd-Thread10:36:017
1375799154,2cyclictest7491-21Poller-Thread-211:33:257
1375799154,2cyclictest26083-21postmaster08:01:097
1375799153,5cyclictest6778-21JNI-ICMP-30557-07:52:317
1375799153,2cyclictest14373-21pool-13-thread-08:39:337
1375799153,11cyclictest32081-21postmaster09:54:227
13757991513,1cyclictest2918-21snmpd09:11:237
1375799150,6cyclictest0-21swapper/711:50:557
1375799150,6cyclictest0-21swapper/711:14:557
1375799150,6cyclictest0-21swapper/711:07:467
1375799150,5cyclictest0-21swapper/711:22:527
1375799150,14cyclictest0-21swapper/712:12:577
1375799150,14cyclictest0-21swapper/709:32:557
1375799150,14cyclictest0-21swapper/709:27:437
1375799150,14cyclictest0-21swapper/708:27:497
1375799150,13cyclictest0-21swapper/712:22:467
1375799150,13cyclictest0-21swapper/711:05:267
1375799150,13cyclictest0-21swapper/711:01:287
1375799150,13cyclictest0-21swapper/709:47:097
1375799150,13cyclictest0-21swapper/709:47:097
1375799150,13cyclictest0-21swapper/709:18:377
1375799150,13cyclictest0-21swapper/709:13:277
1375799150,13cyclictest0-21swapper/708:18:177
1375799150,13cyclictest0-21swapper/708:18:177
1375799150,13cyclictest0-21swapper/708:02:417
1375799150,13cyclictest0-21swapper/707:37:457
1375799150,13cyclictest0-21swapper/707:37:457
13756991512,2cyclictest9706-21postmaster11:53:226
13756991512,1cyclictest22383-21snmp_nas.osadl.11:27:456
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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