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2025-11-30 - 12:36
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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 Sun Nov 30, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
377290999671,41cyclictest3920411-21ssh23:16:110
377290999542,14cyclictest3965568-40gzip00:07:570
3772910994014,19cyclictest111788-21systemd-journal22:33:111
377290999402,27cyclictest3917391-21ssh23:13:070
3772911993931,3cyclictest0-21swapper/200:07:532
377291099396,20cyclictest111788-21systemd-journal20:41:071
377290999367,20cyclictest0-21swapper/022:01:080
3772911993414,15cyclictest111788-21systemd-journal23:26:082
3772909993427,5cyclictest3772908-21cyclictest21:31:100
377291099335,12cyclictest3965969-21ssh00:07:361
3772910993315,16cyclictest3912401-21basename23:08:031
377290999339,8cyclictest259-21jbd2/mmcblk0p2-800:32:390
377290999336,19cyclictest3803623-21sendmail-msp20:48:110
377290999333,20cyclictest0-21swapper/023:31:210
3772909993326,5cyclictest0-21swapper/023:23:140
3772909993316,11cyclictest764-21rs:main0
3772910993228,2cyclictest0-21swapper/122:54:411
3772909993219,8cyclictest0-21swapper/020:26:060
377290999321,4cyclictest0-21swapper/000:03:110
377291199314,24cyclictest3879453-21latency_hist22:31:052
3772911993122,4cyclictest3826820-21apt-get21:31:102
377290999313,7cyclictest171rcu_preempt19:16:040
377290999311,2cyclictest0-21swapper/021:48:090
3772911993018,7cyclictest3782805-21sendmail-msp19:54:152
3772911993016,11cyclictest3981882-21sendmail-msp00:30:212
3772911993010,7cyclictest36-21ksoftirqd/221:43:092
377291099309,5cyclictest0-21swapper/100:31:101
377291099308,12cyclictest1005-21mta-sts-daemon20:30:351
377290999300,6cyclictest3852916-21cat22:01:050
377291099290,4cyclictest11050irq/107-eth%d22:01:081
377291099289,5cyclictest1007-21mta-sts-daemon23:49:431
377291099283,11cyclictest3820296-21ntpq21:23:091
377291099282,16cyclictest3857438-21sendmail-msp22:06:111
377290999287,16cyclictest111788-21systemd-journal00:12:310
377290999284,18cyclictest111788-21systemd-journal00:28:140
377290999283,2cyclictest0-21swapper/000:43:010
3772909992823,2cyclictest0-21swapper/023:51:050
377290999282,20cyclictest0-21swapper/021:18:080
377290999280,19cyclictest0-21swapper/021:53:190
377291199277,8cyclictest1007-21mta-sts-daemon23:58:082
3772910992712,12cyclictest762-21in:imuxsock20:32:451
377290999277,7cyclictest11050irq/107-eth%d21:36:440
377290999274,21cyclictest0-21swapper/023:49:110
377290999273,20cyclictest3913122-21ntpq23:08:100
3772909992724,2cyclictest3857698-21ssh22:06:110
377290999271,25cyclictest0-21swapper/023:58:070
3772910992622,3cyclictest3985594-21awk00:31:051
377291099261,12cyclictest3830632-21ssh21:34:331
377290999262,23cyclictest14-21ksoftirqd/022:36:050
377290999262,11cyclictest171rcu_preempt00:38:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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