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2025-12-24 - 09:34
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Wed Dec 24, 2025 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152420,0ktimers/0296751sleep19:05:430
299409948096,0cyclictest21200-21apt-get23:50:110
1514680,0ktimers/060031sleep19:50:070
299409946689,0cyclictest15819-21cron23:24:360
2994099466101,0cyclictest0-21swapper23:14:590
299409945699,0cyclictest32578-21grep19:21:350
2994099450116,0cyclictest0-21swapper22:29:560
299409944936,0cyclictest48-21kswapd021:19:430
1514490,0ktimers/088651sleep20:04:480
1514420,0ktimers/0108451sleep22:59:590
299409944199,0cyclictest3734-21latency_hist19:39:530
299409944137,0cyclictest0-21swapper20:34:550
2994099438101,0cyclictest27294-21awk00:19:500
299409943634,0cyclictest11556-21chrt20:19:500
299409943587,0cyclictest0-21swapper22:24:520
299409942989,0cyclictest31256-21sendmail00:39:380
299409942937,0cyclictest0-21swapper00:09:460
2994099428112,0cyclictest31188-21munin-node00:19:470
2994099426111,0cyclictest29181-21chrt00:26:320
1514260,0ktimers/016781sleep19:30:210
299409942597,0cyclictest0-21swapper22:45:020
2994099425110,0cyclictest0-21swapper19:25:350
299409942339,0cyclictest6773-21cut22:39:570
2994099420110,0cyclictest0-21swapper20:51:080
2994099420110,0cyclictest0-21swapper19:45:280
1514190,0ktimers/0189171sleep20:55:480
2994099415111,0cyclictest0-21swapper20:04:090
2994099415106,0cyclictest1662-21lldpd20:16:000
1514150,0ktimers/035191sleep22:21:150
1514140,0ktimers/0204031sleep23:45:130
299409941298,0cyclictest6048-21apt-get22:35:130
2994099412105,0cyclictest30181-21chrt19:10:250
299409941096,0cyclictest13621-21cron20:29:380
2994099410107,0cyclictest1723-21sendmail-mta21:40:530
2994099410106,0cyclictest0-21swapper21:25:300
299409940894,0cyclictest0-21swapper23:54:540
2994099408106,0cyclictest19098-21chrt23:39:440
299409940799,0cyclictest0-21swapper22:01:190
299409940794,0cyclictest48-21kswapd021:10:190
2994099407115,0cyclictest0-21swapper21:55:220
2994099407115,0cyclictest0-21swapper00:30:400
2994099406106,0cyclictest25806-21latency_hist21:29:490
2994099405117,0cyclictest15903-21munin-node20:39:520
2994099403130,0cyclictest1657-21snmpd23:06:000
2994099403107,0cyclictest0-21swapper19:15:060
2994099403100,0cyclictest0-21swapper23:32:110
299409940296,0cyclictest7672-21sendmail19:59:390
299409940092,0cyclictest0-21swapper21:53:070
2994099400124,0cyclictest9696-21munin-node22:55:040
2994099400119,0cyclictest12661-21munin-node23:10:050
2994099400107,0cyclictest3427-21chrt19:36:310
299409939999,0cyclictest0-21swapper21:22:180
2994099399114,0cyclictest0-21swapper00:09:360
2994099398102,0cyclictest0-21swapper21:45:100
299409939686,0cyclictest13848-21ntp_states20:30:100
2994099396107,0cyclictest0-21swapper20:09:470
2994099395109,0cyclictest29937-21cyclictest21:09:460
299409939492,0cyclictest27756-21latency_hist21:39:470
299409939297,0cyclictest337-21sshd22:05:120
2994099386106,0cyclictest1926-21runrttasks23:40:290
2994099385109,0cyclictest8788-21munin-node22:50:300
299409938197,0cyclictest2171-21munin-node22:14:540
2994099380100,0cyclictest17431-21expr20:45:580
299409937990,0cyclictest16754-21chrt23:27:080
299409937931,0cyclictest23333-21switchtime00:00:530
299409937292,0cyclictest1027-21mailstats22:09:560
2994099366104,0cyclictest20292-21cat21:01:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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