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2025-12-06 - 07:06
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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 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
4002603992015,4cyclictest4165840-21ssh23:28:250
4002603992012,2cyclictest0-21swapper/000:13:100
400260399200,20cyclictest0-21swapper/020:48:010
400260399200,19cyclictest4112656-21ntpq22:28:160
400260799192,9cyclictest0-21swapper/321:53:053
400260599195,11cyclictest4089305-21ntpq22:03:122
400260599192,10cyclictest4058049-21latency_hist21:31:142
400260599191,6cyclictest4183607-21awk23:48:122
4002605991915,3cyclictest0-21swapper/223:43:442
400260499199,7cyclictest0-21swapper/100:21:041
4002603991917,1cyclictest24792-21grep00:28:130
400260399191,17cyclictest0-21swapper/023:48:180
400260399190,9cyclictest4148068-21ntpq23:08:120
400260599182,13cyclictest633-21gpm20:31:132
4002605991814,3cyclictest4036851-21unixbench_multi20:53:222
4002605991811,5cyclictest4040251-21sendmail-msp21:13:122
400260599180,15cyclictest4030868-21cut20:38:052
400260499188,5cyclictest11050irq/107-eth%d21:18:051
400260499187,3cyclictest1005-21mta-sts-daemon22:03:441
400260499183,13cyclictest28062-21sh00:33:111
400260499183,12cyclictest23522-21ssh00:26:151
400260499183,10cyclictest111788-21systemd-journal23:09:331
400260499182,12cyclictest4043015-21ntp_states21:13:131
4002604991815,2cyclictest4113216-21unixbench_singl22:28:221
4002604991814,2cyclictest4031873-21unixbench_multi20:38:151
4002604991814,2cyclictest4014821-21latency_hist19:51:101
4002604991813,4cyclictest4025565-21grep20:23:061
400260399183,10cyclictest4054530-21/usr/sbin/munin21:28:160
400260399181,4cyclictest0-21swapper/023:58:120
4002603991814,3cyclictest4013398-21fschecks_time19:48:070
4002603991813,3cyclictest4048338-21unin-run21:21:100
4002603991812,5cyclictest0-21swapper/021:31:190
400260399181,13cyclictest111788-21systemd-journal20:31:130
400260399180,18cyclictest0-21swapper/019:58:080
112699180,1rtkit-daemon0-21swapper/222:17:102
400260599175,9cyclictest0-21swapper/220:28:132
400260599174,11cyclictest4108121-21ssh22:23:162
400260599174,10cyclictest1008-21mta-sts-daemon22:28:072
400260599173,11cyclictest2064027-1kworker/2:0H+kblockd19:28:102
400260599173,10cyclictest25328-21ntpq00:28:202
4002605991714,2cyclictest4038473-21unixbench_multi20:58:172
400260599171,3cyclictest4165034-21ssh23:28:082
4002605991713,3cyclictest2801-21gltestperf00:03:082
4002605991710,6cyclictest0-21swapper/220:08:042
400260599170,13cyclictest1006-21mta-sts-daemon21:38:112
400260499174,9cyclictest4156736-21/usr/sbin/munin23:18:101
400260499174,7cyclictest4001530-1kworker/1:1H+kblockd21:08:111
400260499173,4cyclictest0-21swapper/123:11:111
400260499173,4cyclictest0-21swapper/123:11:111
400260499172,9cyclictest11050irq/107-eth%d21:28:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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