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2025-11-19 - 14:44
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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 Wed Nov 19, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
369646994919,15cyclictest259-21jbd2/mmcblk0p2-810:52:490
369646994712,15cyclictest619-21mta-sts-daemon12:09:260
369646994630,7cyclictest531059-21ssh11:53:110
369646994519,1cyclictest482887-21latency_hist10:50:570
36964699449,16cyclictest369602-21munin-run07:15:560
36964699393,33cyclictest393422-21sendmail-msp08:25:580
36964899383,10cyclictest483813-21ssh10:52:492
369646993819,6cyclictest11050irq/107-eth%d12:12:260
36964899377,8cyclictest1008-21mta-sts-daemon09:51:012
36964699372,34cyclictest0-21swapper/009:28:050
369646993523,2cyclictest0-21swapper/010:23:080
36964699343,18cyclictest534711-21gltestperf11:58:010
36964799338,21cyclictest619-21mta-sts-daemon10:00:591
36964899322,9cyclictest11050irq/107-eth%d07:52:562
36964899322,13cyclictest111788-21systemd-journal10:06:042
36964799328,14cyclictest619-21mta-sts-daemon07:42:581
36964699311,23cyclictest0-21swapper/012:25:570
36964899301,8cyclictest11050irq/107-eth%d11:13:102
36964899301,6cyclictest0-21swapper/212:09:102
36964699301,10cyclictest259-21jbd2/mmcblk0p2-810:26:490
36964899293,10cyclictest488664-21ssh10:58:032
369648992912,12cyclictest619-21mta-sts-daemon08:27:102
36964899283,17cyclictest111788-21systemd-journal11:06:042
369647992819,5cyclictest393422-21sendmail-msp08:33:091
36964699283,9cyclictest431883-21sendmail-msp09:46:180
369646992819,5cyclictest0-21swapper/008:13:050
36964899275,4cyclictest11050irq/107-eth%d11:26:062
36964899274,16cyclictest381677-21sed07:50:562
369648992717,2cyclictest111788-21systemd-journal07:40:562
369648992717,2cyclictest111788-21systemd-journal07:40:562
369648992714,11cyclictest508416-21ssh11:23:082
369646992718,7cyclictest0-21swapper/011:47:370
36964699270,27cyclictest0-21swapper/009:52:540
36964899267,7cyclictest1007-21mta-sts-daemon08:11:002
36964899264,9cyclictest550563-21ntpq12:18:042
36964799268,14cyclictest619-21mta-sts-daemon07:38:081
36964799268,14cyclictest619-21mta-sts-daemon07:38:081
36964699262,7cyclictest521270-21apt-get11:41:000
369646992616,2cyclictest0-21swapper/012:33:040
36964899258,10cyclictest479696-21ssh10:47:542
369648992517,7cyclictest1007-21mta-sts-daemon10:38:082
369648992516,6cyclictest416818-21munin-plugin-st09:25:552
369648992512,5cyclictest351ktimers/212:23:082
369646992511,2cyclictest0-21swapper/011:00:450
36964799243,16cyclictest111788-21systemd-journal09:50:581
369647992415,5cyclictest111788-21systemd-journal09:08:041
36964699244,15cyclictest379891-21sendmail-msp07:45:570
369646992413,4cyclictest476266-21sort10:43:000
36964899234,8cyclictest0-21swapper/211:47:372
36964799234,14cyclictest111788-21systemd-journal12:28:061
36964699233,14cyclictest451847-21latency_hist10:10:570
36964699231,8cyclictest0-21swapper/010:18:080
369646992312,4cyclictest554000-21aten_r2power_en12:23:000
112699230,5rtkit-daemon1125-21rtkit-daemon08:23:040
36964999222,6cyclictest0-21swapper/308:18:063
36964899225,14cyclictest1008-21mta-sts-daemon12:38:052
36964899225,14cyclictest1008-21mta-sts-daemon12:38:052
369648992217,4cyclictest111788-21systemd-journal10:33:092
36964799224,16cyclictest2243333-21munin-node11:06:361
36964799224,14cyclictest388745-21/usr/sbin/munin08:12:561
36964799222,4cyclictest11050irq/107-eth%d12:31:331
36964799222,16cyclictest453545-21ntpq10:13:071
36964799222,15cyclictest482884-21latency_hist10:50:571
369647992212,6cyclictest525224-21sendmail-msp11:45:591
36964699224,14cyclictest390333-21/usr/sbin/munin08:18:120
36964699220,13cyclictest0-21swapper/010:03:420
36964899211,6cyclictest11050irq/107-eth%d10:14:442
36964799214,13cyclictest111788-21systemd-journal10:53:061
369647992114,5cyclictest111788-21systemd-journal11:13:071
36964799210,6cyclictest171rcu_preempt09:55:561
36964699216,6cyclictest11050irq/107-eth%d12:18:010
36964699215,5cyclictest0-21swapper/012:38:040
36964699215,5cyclictest0-21swapper/012:38:040
36964699212,6cyclictest375729-21gcc07:33:080
369646992120,1cyclictest0-21swapper/009:07:560
369646992117,2cyclictest409518-21mailstats09:13:110
369646992115,4cyclictest510008-21idleruntime-cro11:25:550
36964999201,7cyclictest0-21swapper/308:12:563
36964899202,13cyclictest633-21gpm07:18:052
36964799209,8cyclictest515833-21ntp_kernel_pll_11:33:041
36964799209,8cyclictest451615-21latency_hist10:10:571
36964799203,12cyclictest111788-21systemd-journal08:28:121
36964799202,14cyclictest510036-21sendmail-msp11:26:261
36964799201,8cyclictest531060-21ntpq11:53:111
36964699205,11cyclictest379891-21sendmail-msp07:52:310
36964699204,5cyclictest570695-21ssh12:43:100
36964699204,13cyclictest429977-21ntpq09:43:050
36964699200,18cyclictest425230-21aten_r2power_cu09:37:570
112699200,0rtkit-daemon1006-21mta-sts-daemon11:41:591
36964999193,4cyclictest0-21swapper/310:25:563
36964999192,5cyclictest0-21swapper/309:55:563
36964899191,4cyclictest0-21swapper/211:03:032
369648991913,5cyclictest397209-21fschecks_count08:37:592
369648991913,4cyclictest0-21swapper/210:23:002
36964799193,14cyclictest426080-21/usr/sbin/munin09:38:031
369647991913,5cyclictest1005-21mta-sts-daemon07:53:041
36964699199,1cyclictest0-21swapper/011:07:500
36964699192,16cyclictest519576-21ntpq11:38:060
36964699192,13cyclictest494843-21ls11:05:570
369646991916,2cyclictest0-21swapper/011:27:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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