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2025-12-05 - 01:48
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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 Fri Dec 05, 2025 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2878921210,0sleep50-21swapper/522:39:505
1602021130,2sleep2617299cyclictest21:52:212
2818721060,0sleep70-21swapper/719:55:547
15322680,0sleep50-21swapper/522:42:315
542024128,7sleep30-21swapper/319:02:003
436523926,7sleep70-21swapper/718:59:397
383523926,7sleep00-21swapper/018:59:080
330723723,8sleep10-21swapper/118:58:371
462823624,7sleep60-21swapper/619:00:196
349423624,7sleep50-21swapper/518:58:575
305423623,7sleep40-21swapper/418:58:244
340923522,8sleep20-21swapper/218:58:462
607923321,7sleep10-21swapper/119:02:061
236802250,0sleep30-21swapper/323:52:543
121792230,0sleep30-21swapper/320:12:163
241022220,1sleep78609-21QueuingRrdStrat21:57:237
6179992119,1cyclictest79-21ksoftirqd/700:04:527
617299210,20cyclictest14802-21DefaultUDPTrans21:12:252
42962210,0sleep70-21swapper/723:23:587
42962210,0sleep70-21swapper/723:23:587
6179992018,1cyclictest79-21ksoftirqd/700:29:227
617299201,16cyclictest21778-21kworker/2:122:02:282
288622200,1sleep128860-21snmp_nas.osadl.00:22:161
273802200,1sleep452-21ksoftirqd/421:59:284
96292190,1sleep13906-21postmaster00:27:211
6171991910,8cyclictest16567-21pool-13-thread-21:13:491
617799183,13cyclictest14185-21NioProcessor-2400:03:115
6173991816,1cyclictest43-21ksoftirqd/300:03:163
6172991816,1cyclictest331ktimersoftd/220:57:232
617299181,2cyclictest2465-21openvpn19:27:192
617299180,17cyclictest0-21swapper/219:39:212
6171991816,1cyclictest20229-21ssh23:14:001
6171991812,2cyclictest3525-21Poller-Thread-323:29:581
616699186,6cyclictest8679-21munin-run20:42:030
6166991816,1cyclictest0-21swapper/021:33:340
304362180,0sleep60-21swapper/622:21:496
6176991715,1cyclictest0-21swapper/423:12:444
6173991715,1cyclictest43-21ksoftirqd/323:59:153
6173991715,1cyclictest43-21ksoftirqd/323:59:153
6173991715,1cyclictest43-21ksoftirqd/300:29:213
617299171,14cyclictest16203-21postmaster00:03:152
617299170,1cyclictest0-21swapper/222:39:442
617199173,5cyclictest4479-21JNI-ICMP-31655-20:06:071
617199173,5cyclictest4479-21JNI-ICMP-31655-20:06:071
6166991713,1cyclictest13899-21kworker/0:021:17:340
616699171,1cyclictest0-21swapper/019:57:200
181872170,0sleep00-21swapper/000:17:100
155662170,0sleep50-21swapper/523:31:175
6179991614,1cyclictest79-21ksoftirqd/723:44:117
6179991614,1cyclictest11-21rcu_preempt00:08:227
617899167,5cyclictest23157-21kworker/6:023:10:146
617899163,6cyclictest3070-21JNI-ICMP-14-Soc19:53:546
617899161,13cyclictest2711-21C211:34:456
617799160,13cyclictest0-21swapper/520:53:185
6176991613,2cyclictest3543-21Poller-Thread-119:19:174
6176991612,2cyclictest25364-21pool-13-thread-00:03:114
6173991614,1cyclictest43-21ksoftirqd/323:34:093
6173991614,1cyclictest43-21ksoftirqd/321:13:493
6173991614,1cyclictest43-21ksoftirqd/320:48:453
6173991614,1cyclictest43-21ksoftirqd/320:48:453
6173991614,1cyclictest43-21ksoftirqd/319:29:063
6173991614,1cyclictest28758-21kworker/u16:200:23:203
6173991614,1cyclictest11-21rcu_preempt23:28:583
6173991613,1cyclictest43-21ksoftirqd/322:49:013
6172991612,2cyclictest3549-21Poller-Thread-122:31:142
617199163,6cyclictest3073-21JNI-ICMP-5746-S19:57:141
6171991613,2cyclictest8671-21sadc20:42:031
6171991613,2cyclictest0-21swapper/122:12:191
6171991612,2cyclictest8609-21QueuingRrdStrat22:58:041
6171991612,2cyclictest3143-21snmp_nas.osadl.23:42:181
6171991611,4cyclictest3827-21Collectd-Thread23:49:181
6171991611,4cyclictest3525-21Poller-Thread-321:11:191
6166991614,1cyclictest9-21ksoftirqd/021:53:540
271302160,0sleep70-21swapper/721:20:147
6179991513,1cyclictest8514-21cat22:27:207
6179991513,1cyclictest79-21ksoftirqd/723:59:157
6179991513,1cyclictest79-21ksoftirqd/723:59:157
6179991513,1cyclictest79-21ksoftirqd/723:53:427
6179991513,1cyclictest79-21ksoftirqd/723:27:507
6179991513,1cyclictest79-21ksoftirqd/723:19:087
6179991513,1cyclictest79-21ksoftirqd/722:49:017
6179991513,1cyclictest79-21ksoftirqd/719:44:087
6179991513,1cyclictest79-21ksoftirqd/719:44:087
6179991513,1cyclictest79-21ksoftirqd/700:25:207
6179991513,1cyclictest79-21ksoftirqd/700:14:187
6179991512,2cyclictest2918-21snmpd21:50:197
6179991511,3cyclictest8221-21cat22:07:177
617899155,5cyclictest30358-21kworker/6:122:31:066
617899153,7cyclictest3073-21JNI-ICMP-5746-S22:23:336
617899153,6cyclictest2775-21JNI-ICMP-7085-S23:13:026
617899152,6cyclictest2781-21JNI-ICMP-17162-19:41:196
6178991512,2cyclictest2918-21snmpd21:00:486
6178991512,2cyclictest2918-21snmpd20:31:186
6178991512,2cyclictest13319-21sadc21:32:036
617899150,1cyclictest0-21swapper/619:03:476
617899150,14cyclictest0-21swapper/623:37:206
617899150,14cyclictest0-21swapper/619:18:176
617899150,14cyclictest0-21swapper/600:27:236
617899150,13cyclictest0-21swapper/620:32:206
617799154,5cyclictest2781-21JNI-ICMP-17162-23:33:115
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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