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2025-11-27 - 17:55
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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 Thu Nov 27, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
55060799433,10cyclictest680344-21ntpq11:08:091
55060699353,31cyclictest0-21swapper/012:41:530
55060699352,30cyclictest0-21swapper/009:26:110
55060699352,22cyclictest646652-21cat10:26:030
55060699352,22cyclictest646652-21cat10:26:030
55060799348,11cyclictest746662-21sendmail-msp12:27:591
550606993410,2cyclictest0-21swapper/010:53:090
55060699333,12cyclictest555770-21/usr/sbin/munin07:33:080
55060899312,7cyclictest11050irq/107-eth%d12:31:512
55060899312,7cyclictest11050irq/107-eth%d12:31:512
550608993119,8cyclictest587194-21sendmail-msp09:06:212
55060699301,27cyclictest607990-21fschecks_count09:37:590
550606993010,15cyclictest602279-21apt-get09:31:070
55060699300,3cyclictest0-21swapper/012:32:020
55060699300,3cyclictest0-21swapper/012:32:020
55060899291,25cyclictest583276-21/usr/sbin/munin08:53:132
550607992918,8cyclictest646551-21sendmail-msp10:26:081
550608992812,12cyclictest111788-21systemd-journal12:28:382
550607992814,11cyclictest111788-21systemd-journal12:34:121
550607992814,11cyclictest111788-21systemd-journal12:34:121
55060699289,14cyclictest111788-21systemd-journal09:06:210
55060699283,23cyclictest0-21swapper/010:32:030
55060899275,17cyclictest992-21lldpd10:41:062
55060799271,3cyclictest171rcu_preempt11:58:121
55060899263,17cyclictest744056-21ntpq12:23:062
550607992619,6cyclictest700068-21fschecks_count11:33:021
55060799261,4cyclictest171rcu_preempt12:16:031
550607992612,8cyclictest764-21rs:main1
55060699263,17cyclictest595493-21/usr/sbin/munin09:23:040
550606992616,6cyclictest0-21swapper/009:18:030
55060699260,5cyclictest739164-21find12:18:090
55060699260,14cyclictest0-21swapper/010:08:020
55060899257,13cyclictest619-21mta-sts-daemon10:33:512
55060699253,20cyclictest558811-21latency_hist07:41:030
55060699250,5cyclictest720794-21awk11:58:060
55060699250,3cyclictest625338-21switchtime09:58:140
55060899244,15cyclictest647147-21ssh10:26:072
550608992416,6cyclictest604204-21idleruntime09:33:082
550608992414,4cyclictest11050irq/107-eth%d12:03:032
550608992414,4cyclictest11050irq/107-eth%d12:03:032
55060799246,13cyclictest111788-21systemd-journal09:46:071
55060799243,6cyclictest171rcu_preempt11:53:081
550607992416,5cyclictest261rcuc/112:11:351
55060799240,15cyclictest0-21swapper/110:54:511
55060699241,23cyclictest615480-21ssh09:46:060
112699240,5rtkit-daemon1125-21rtkit-daemon09:43:022
55060899233,16cyclictest692570-21ntp_states11:23:092
55060799231,5cyclictest171rcu_preempt09:31:131
55060699232,18cyclictest716810-21ntpq11:53:080
55060699232,15cyclictest111788-21systemd-journal10:46:070
550606992317,4cyclictest607-21dbus-daemon08:41:020
55060699230,17cyclictest675976-21fschecks_time11:03:020
55060799222,4cyclictest171rcu_preempt10:33:521
55060799221,8cyclictest629242-21ssh10:03:091
550607992218,3cyclictest695979-21fschecks_count11:28:051
55060699228,4cyclictest171rcu_preempt07:16:020
550606992218,3cyclictest646551-21sendmail-msp10:29:160
550606992216,4cyclictest589427-21fschecks_time09:13:040
550606992216,4cyclictest589427-21fschecks_time09:13:040
55060899213,13cyclictest550605-21systemd-run07:16:022
550608992114,6cyclictest560487-21sendmail-msp07:48:042
55060899211,1cyclictest69-21kswapd009:46:062
55060899210,16cyclictest734214-21ntpq12:13:082
55060799215,12cyclictest758939-21ssh12:38:021
55060799213,3cyclictest171rcu_preempt10:13:111
55060799212,3cyclictest171rcu_preempt10:43:031
55060799212,16cyclictest111788-21systemd-journal08:53:131
55060699219,3cyclictest0-21swapper/012:08:000
55060699215,1cyclictest743116-21ssh12:22:580
55060699214,16cyclictest680341-21ssh11:08:090
55060699211,18cyclictest749096-21ntpq12:28:060
55060699211,18cyclictest0-21swapper/011:48:070
112699210,2rtkit-daemon0-21swapper/210:17:472
55060899207,10cyclictest615711-1kworker/2:1H+kblockd10:46:072
55060899205,9cyclictest721327-21/usr/sbin/munin11:58:122
55060899202,10cyclictest11050irq/107-eth%d11:43:062
55060799202,15cyclictest624988-21ntpq09:58:091
550607992017,2cyclictest0-21swapper/112:23:051
55060699204,10cyclictest694461-21apt11:26:030
550606992010,8cyclictest696510-21ntpq11:28:110
55060899194,10cyclictest556629-21/usr/sbin/munin07:33:082
55060899193,11cyclictest684324-21ssh11:13:072
55060799197,9cyclictest1007-21mta-sts-daemon07:35:161
55060799196,7cyclictest550605-21systemd-run07:16:021
55060799194,10cyclictest727740-21ssh12:06:171
55060799193,11cyclictest602408-21cat09:31:031
55060799192,2cyclictest11050irq/107-eth%d11:13:071
55060699193,14cyclictest708309-21grep11:43:020
55060699192,4cyclictest660038-21/usr/sbin/munin10:43:030
550606991914,4cyclictest0-21swapper/011:38:070
550606991911,5cyclictest636997-21/usr/sbin/munin10:13:140
55060999183,8cyclictest0-21swapper/309:33:453
55060899188,6cyclictest592489-21ntpq09:18:072
55060899183,8cyclictest629082-21ssh10:03:062
550608991814,3cyclictest625529-21unixbench_multi09:58:152
55060899181,15cyclictest700609-21ntpq11:33:072
55060799189,6cyclictest710966-21sendmail-msp11:47:411
55060799183,8cyclictest587194-21sendmail-msp09:11:031
55060799183,8cyclictest587194-21sendmail-msp09:11:031
55060799183,5cyclictest171rcu_preempt09:11:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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