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2025-11-23 - 18:10
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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 Nov 23, 2025 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
256222710,0sleep50-21swapper/512:27:455
304562650,0sleep70-21swapper/712:10:407
265812640,0sleep70-21swapper/709:49:017
18342590,0sleep50-21swapper/511:13:025
18342590,0sleep50-21swapper/511:13:025
2000924721,7sleep10-21swapper/107:01:041
1979224619,7sleep30-21swapper/307:00:423
2028424523,7sleep50-21swapper/507:01:325
2022724521,7sleep60-21swapper/607:01:256
2091724119,16sleep00-21swapper/007:02:000
2131923825,7sleep20-21swapper/207:02:182
1916023624,7sleep70-21swapper/706:59:267
1904823523,7sleep40-21swapper/406:58:514
2200623421,8sleep00-21swapper/007:02:480
2171723213,16sleep70-21swapper/707:02:477
77912270,0sleep40-21swapper/407:18:374
280472270,0sleep50-21swapper/510:29:365
70222240,0sleep50-21swapper/510:57:085
2206899239,13cyclictest15260-21ssh12:21:437
22064992321,1cyclictest43-21ksoftirqd/310:20:303
22064992321,1cyclictest43-21ksoftirqd/310:20:303
2206899222,18cyclictest4219-21postmaster10:58:597
63222190,1sleep6691ktimersoftd/608:22:566
293252190,1sleep450-21rcuc/411:30:004
285482190,0sleep70-21swapper/711:29:067
2206699190,18cyclictest2745-21nscd10:03:515
178772190,0sleep50-21swapper/511:42:585
257862180,1sleep0101ktimersoftd/008:08:160
22064991815,2cyclictest43-21ksoftirqd/309:56:323
22064991814,2cyclictest43-21ksoftirqd/312:16:223
2206099182,15cyclictest25432-21dhcpd11:44:371
2205999183,2cyclictest32285-21perf10:52:440
2206899177,5cyclictest22778-21JNI-ICMP-315-So07:32:197
2206699171,2cyclictest23376-21Collectd-Thread08:26:385
22064991715,1cyclictest43-21ksoftirqd/307:16:433
22064991713,2cyclictest43-21ksoftirqd/307:06:043
2206399171,4cyclictest22769-21JNI-ICMP-1943-S08:56:492
22063991713,2cyclictest32-21rcuc/211:04:242
22063991710,2cyclictest22486-21JNI-ICMP-28444-10:47:462
2205999170,14cyclictest17661-21httpd07:38:080
277002160,1sleep50-21swapper/511:28:165
22067991613,2cyclictest15191-21named11:37:086
2206699164,5cyclictest24126-21JNI-ICMP-18984-07:44:585
2206699162,13cyclictest0-21swapper/512:20:245
22066991613,2cyclictest0-21swapper/509:56:235
22065991614,1cyclictest0-21swapper/407:52:444
2206599160,11cyclictest0-21swapper/409:23:004
22064991614,1cyclictest11-21rcu_preempt10:56:243
22064991614,1cyclictest0-21swapper/308:46:543
22064991613,2cyclictest18096-21cat11:43:003
22064991613,1cyclictest43-21ksoftirqd/308:57:063
22064991613,1cyclictest43-21ksoftirqd/307:46:513
2206399160,2cyclictest2465-21openvpn12:03:012
2206399160,14cyclictest0-21swapper/211:43:012
22060991610,3cyclictest22486-21JNI-ICMP-28444-12:32:081
22059991613,2cyclictest2918-21snmpd08:03:230
190452160,0sleep70-21swapper/710:23:537
108342160,0sleep4511ktimersoftd/411:58:034
2206899150,13cyclictest1776-21snmp_nas.osadl.12:12:577
2206799158,3cyclictest22778-21JNI-ICMP-315-So09:17:336
2206799153,5cyclictest22778-21JNI-ICMP-315-So12:23:406
22067991513,1cyclictest2918-21snmpd08:42:236
2206799150,14cyclictest0-21swapper/607:43:006
2206699154,6cyclictest22486-21JNI-ICMP-28444-10:18:595
2206699154,6cyclictest22486-21JNI-ICMP-28444-10:18:595
2206699153,6cyclictest22772-21JNI-ICMP-16081-07:23:305
22066991512,1cyclictest0-21swapper/511:06:535
22066991512,1cyclictest0-21swapper/507:28:085
2206699150,13cyclictest24697-21smart_sdb07:03:085
2206599154,7cyclictest22486-21JNI-ICMP-28444-11:40:364
2206599153,6cyclictest22769-21JNI-ICMP-1943-S09:28:284
22065991512,2cyclictest32328-21cat09:33:004
22065991512,2cyclictest11991-21awk08:27:594
22065991512,1cyclictest0-21swapper/408:55:084
2206599150,14cyclictest0-21swapper/410:39:084
2206599150,14cyclictest0-21swapper/410:39:084
2206599150,13cyclictest0-21swapper/410:57:594
2206499159,4cyclictest0-21swapper/311:54:073
2206499159,3cyclictest43-21ksoftirqd/307:58:163
2206499154,7cyclictest22772-21JNI-ICMP-16081-07:09:453
22064991513,1cyclictest2918-21snmpd09:43:233
22064991513,1cyclictest2918-21snmpd07:41:533
22064991512,2cyclictest8060-21cat09:38:023
22064991512,2cyclictest2918-21snmpd10:48:383
22064991512,1cyclictest43-21ksoftirqd/311:26:423
22064991512,1cyclictest43-21ksoftirqd/311:11:423
22064991512,1cyclictest43-21ksoftirqd/308:27:013
2206499151,1cyclictest43-21ksoftirqd/309:18:023
2206499151,1cyclictest43-21ksoftirqd/309:18:023
2206399152,4cyclictest24126-21JNI-ICMP-18984-09:08:492
22063991513,1cyclictest2918-21snmpd07:53:082
22063991513,0cyclictest0-21swapper/210:53:082
22063991512,2cyclictest2918-21snmpd09:01:232
2206399151,13cyclictest22778-21JNI-ICMP-315-So08:01:582
22063991511,3cyclictest14150irq/24-ahci[00009:06:062
22063991511,3cyclictest14150irq/24-ahci[00008:42:422
2205999151,4cyclictest24126-21JNI-ICMP-18984-09:58:260
22059991512,2cyclictest2918-21snmpd10:15:230
22059991512,2cyclictest2918-21snmpd07:19:080
2205999150,14cyclictest0-21swapper/007:55:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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