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2025-12-06 - 08:45
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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 50 highest latencies:
System rack2slot7.osadl.org (updated Sat Dec 06, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
400260399442,12cyclictest4160720-21ssh23:23:080
400260399427,16cyclictest28351-21ssh00:33:130
400260399392,5cyclictest0-21swapper/021:53:050
4002603993715,1cyclictest0-21swapper/023:53:020
4002605993223,7cyclictest4023416-21idleruntime-cro20:16:102
400260399323,25cyclictest0-21swapper/022:12:160
400260399322,22cyclictest0-21swapper/000:23:080
400260399321,12cyclictest4091722-21munin-run22:06:110
4002605993021,4cyclictest28084-21fschecks_count00:33:112
400260399303,24cyclictest4142857-21/usr/sbin/munin23:03:030
4002603992927,1cyclictest4170045-21ntpq23:33:120
4002604992815,10cyclictest11050irq/107-eth%d00:03:131
4002603992822,2cyclictest4070666-21grep21:43:140
4002605992718,6cyclictest0-21swapper/223:06:112
400260399271,10cyclictest11050irq/107-eth%d23:36:140
400260599262,21cyclictest4079083-21diskstats21:53:052
4002603992615,1cyclictest16022-21cut00:18:060
400260599257,14cyclictest619-21mta-sts-daemon19:21:132
400260599252,4cyclictest11050irq/107-eth%d21:43:092
400260599244,4cyclictest0-21swapper/222:06:252
400260599244,16cyclictest4058513-21ssh21:31:192
4002604992414,6cyclictest0-21swapper/123:28:181
400260399241,18cyclictest0-21swapper/022:33:060
4002603992411,11cyclictest4091709-21sendmail-msp22:09:390
400260599234,15cyclictest111788-21systemd-journal19:51:122
400260499234,14cyclictest4103539-21ntpq22:18:131
400260499234,14cyclictest1008-21mta-sts-daemon00:08:131
4002604992315,6cyclictest4137443-21latency_hist22:56:111
400260399237,11cyclictest4015040-21packagekitd19:51:120
400260399233,13cyclictest122792-21ntpd00:03:450
400260399232,20cyclictest0-21swapper/022:40:530
400260399231,4cyclictest4084988-21grep21:58:150
400260399231,1cyclictest0-21swapper/022:24:260
4002605992218,3cyclictest4175407-21unixbench_multi23:38:192
4002605992214,6cyclictest0-21swapper/200:18:102
4002604992219,2cyclictest4060005-21grep21:33:071
400260499221,7cyclictest171rcu_preempt19:26:351
400260399229,4cyclictest4019089-21gltestperf20:03:070
400260399224,13cyclictest11050irq/107-eth%d21:41:000
400260399220,21cyclictest0-21swapper/021:48:110
400260399220,1cyclictest4135049-21ntpq22:53:130
4002603992118,2cyclictest191rcuc/000:46:100
4002603992117,3cyclictest1008-21mta-sts-daemon00:38:120
4002603992111,2cyclictest4130399-21grep22:48:090
400260599203,14cyclictest35712-21ld00:43:122
4002605992014,3cyclictest0-21swapper/223:53:092
400260499203,12cyclictest111788-21systemd-journal23:48:141
400260499202,11cyclictest4006262-21sendmail-msp19:33:081
400260399204,8cyclictest0-21swapper/023:43:050
400260399204,11cyclictest111788-21systemd-journal00:08:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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