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2025-11-23 - 22:40
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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 Sun Nov 23, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
51052899463,5cyclictest572057-21ntpq09:43:080
510528994417,9cyclictest649289-21ssh11:16:220
51053099437,8cyclictest171rcu_preempt11:23:032
51052899422,34cyclictest0-21swapper/011:53:090
510528994210,31cyclictest0-21swapper/011:08:340
51052899413,3cyclictest0-21swapper/010:30:050
51052899407,22cyclictest497489-1kworker/0:0H+kblockd12:13:000
51052899385,28cyclictest0-21swapper/010:58:060
51052999370,3cyclictest588021-21ntpq10:03:041
510528993728,7cyclictest510527-21cyclictest09:23:090
51052899351,28cyclictest0-21swapper/011:33:020
51053099344,8cyclictest695413-21ssh12:10:422
510528993420,12cyclictest614867-21ssh10:34:300
51052899324,6cyclictest171rcu_preempt10:18:080
510528993227,4cyclictest191rcuc/010:13:110
51052999313,18cyclictest111788-21systemd-journal12:08:071
51052899313,19cyclictest693939-21unixbench_singl12:08:120
51052999306,4cyclictest11050irq/107-eth%d12:27:361
510528993025,2cyclictest191rcuc/007:48:090
51052899300,21cyclictest725798-21unixbench-2d12:43:100
51052899291,16cyclictest0-21swapper/009:48:030
510528992816,2cyclictest0-21swapper/009:58:060
51052899271,20cyclictest0-21swapper/011:44:180
51053099267,14cyclictest111788-21systemd-journal08:21:012
51052899261,13cyclictest0-21swapper/010:36:040
51052899260,21cyclictest0-21swapper/007:28:090
510530992521,2cyclictest0-21swapper/212:32:012
510530992514,8cyclictest11050irq/107-eth%d09:18:052
510528992519,1cyclictest0-21swapper/012:18:210
51052899251,8cyclictest720098-21ssh12:38:000
51052899246,12cyclictest497489-1kworker/0:0H+kblockd12:34:160
51053099233,15cyclictest676455-21rm11:48:052
51052999231,14cyclictest111788-21systemd-journal12:13:001
51052899232,20cyclictest0-21swapper/009:33:080
510528992316,5cyclictest151ktimers/010:48:050
51052899231,3cyclictest58-21kcompactd008:08:060
51052899231,20cyclictest0-21swapper/009:53:030
51053099226,13cyclictest619-21mta-sts-daemon11:28:402
51053099226,11cyclictest527003-21sendmail-msp08:08:062
51053099225,13cyclictest111788-21systemd-journal10:27:582
51053099222,18cyclictest588014-21ssh10:03:042
51052899223,16cyclictest546023-21/usr/sbin/munin09:03:050
51052899222,18cyclictest712123-21unixbench_multi12:28:120
510528992212,2cyclictest0-21swapper/007:33:270
510528992210,3cyclictest0-21swapper/010:03:020
51053099211,6cyclictest706108-21aten_r2power_fr12:22:592
510530992114,5cyclictest0-21swapper/208:28:062
510529992117,3cyclictest562570-21munin-plugin-st09:30:591
510529992114,4cyclictest1007-21mta-sts-daemon10:32:571
51052899215,15cyclictest764-21rs:main0
51052899212,13cyclictest532267-21apt-get08:21:000
51053099205,12cyclictest111788-21systemd-journal08:32:022
51053099202,9cyclictest1005-21mta-sts-daemon09:34:432
51052999209,7cyclictest762-21in:imuxsock08:06:021
51052999207,10cyclictest1007-21mta-sts-daemon10:46:111
51052999204,4cyclictest0-21swapper/111:52:421
510529992018,2cyclictest58-21kcompactd010:18:081
51052999200,6cyclictest11050irq/107-eth%d12:31:481
510528992014,4cyclictest1006-21mta-sts-daemon12:02:590
51052899200,19cyclictest0-21swapper/011:22:590
51053099196,9cyclictest0-21swapper/212:15:452
51053099194,13cyclictest663658-21ssh11:33:052
51053099193,1cyclictest11050irq/107-eth%d10:58:062
51052999195,9cyclictest764-21rs:main1
51052999192,5cyclictest11050irq/107-eth%d10:38:391
51052999192,13cyclictest518254-21/usr/sbin/munin07:38:051
51052999191,14cyclictest516527-21ntpq07:33:261
51052899199,2cyclictest646408-21grep11:13:020
51052899192,4cyclictest0-21swapper/011:28:080
51052899192,11cyclictest603276-21ssh10:22:220
510528991915,3cyclictest667297-21fschecks_count11:38:010
51053199183,10cyclictest0-21swapper/311:23:033
51053099185,11cyclictest351ktimers/210:18:402
51053099184,10cyclictest678664-21ssh11:50:592
51053099183,11cyclictest711882-21/usr/sbin/munin12:28:112
51053099180,4cyclictest0-21swapper/211:58:092
51052999182,3cyclictest523921-21/usr/sbin/munin07:58:051
51052999182,2cyclictest0-21swapper/109:48:091
51052999181,7cyclictest11050irq/107-eth%d08:45:591
510529991814,3cyclictest624176-21cron10:45:591
51052999180,4cyclictest566339-21cat09:35:591
51052999180,2cyclictest11050irq/107-eth%d12:23:111
51052899184,12cyclictest762-21in:imuxsock10:53:140
51052899184,12cyclictest621168-21/usr/sbin/munin10:42:580
51052899183,10cyclictest1006-21mta-sts-daemon08:31:030
51052899182,2cyclictest171rcu_preempt12:23:040
51052899181,9cyclictest686100-21ssh11:59:460
510528991813,4cyclictest0-21swapper/007:53:010
51053199174,7cyclictest0-21swapper/311:33:053
51053199173,8cyclictest0-21swapper/307:38:053
51053099177,7cyclictest622082-21ssh10:43:052
51053099173,9cyclictest598336-21latency_hist10:15:592
51053099172,3cyclictest606704-21http10:25:592
510530991713,3cyclictest525228-21grep07:58:122
51052999175,9cyclictest534297-21sendmail-msp08:29:431
51052999174,9cyclictest655190-21ntpq11:23:031
51052999174,9cyclictest578854-21/usr/sbin/munin09:53:031
51052999173,8cyclictest606701-21sendmail-msp10:27:091
51052999173,12cyclictest550740-21diskmemload09:18:061
51052999171,5cyclictest11050irq/107-eth%d10:08:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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