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2025-12-06 - 14:51
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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 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2979436996113,45cyclictest0-21swapper/009:26:240
2979436995422,29cyclictest3134827-21sh11:33:140
2979436995227,5cyclictest0-21swapper/010:08:050
297943699477,38cyclictest3185402-21sendmail-msp12:34:480
297943699473,11cyclictest3111080-21sendmail-msp11:09:320
297943699466,27cyclictest0-21swapper/009:36:140
2979436994628,9cyclictest3116622-21/usr/sbin/munin11:13:120
2979436994616,29cyclictest0-21swapper/012:10:360
2979437994127,11cyclictest3114100-21ssh11:08:471
2979436994119,18cyclictest3155181-21latency_hist11:56:110
297943699398,24cyclictest3018795-21ntpq09:13:140
2979436993922,15cyclictest3128045-21sendmail-msp11:28:320
2979436993922,15cyclictest3128045-21sendmail-msp11:28:320
2979437993729,6cyclictest2979433-21cyclictest12:13:161
297943699362,7cyclictest3198319-21ntp_states12:38:280
2979436993617,3cyclictest3185402-21sendmail-msp12:26:120
297943699357,10cyclictest619-21mta-sts-daemon09:53:120
297943699354,25cyclictest3044032-21sendmail-msp09:46:180
297943699353,16cyclictest0-21swapper/011:51:110
2979436993517,14cyclictest3078002-21sendmail-msp10:26:200
297943699341,7cyclictest2993672-21ntpq07:58:120
2979436993417,16cyclictest764-21rs:main0
297943699341,29cyclictest0-21swapper/010:50:220
297943699340,10cyclictest3175131-21latency_hist12:16:110
297943799332,15cyclictest3145855-21sendmail-msp11:55:421
297943699332,6cyclictest3012211-21ld08:53:250
297943699325,3cyclictest2995908-21sendmail-msp08:06:160
297943799312,11cyclictest3167391-21ssh12:08:131
297943699315,2cyclictest0-21swapper/010:32:550
297943699312,15cyclictest3108017-21/usr/sbin/munin11:03:080
297943699303,7cyclictest3183048-21/usr/sbin/munin12:23:150
2979436993018,7cyclictest0-21swapper/011:41:340
2979437992911,4cyclictest11050irq/107-eth%d11:33:141
297943699297,18cyclictest0-21swapper/010:03:120
297943699291,9cyclictest3041335-21grep09:43:070
297943699291,2cyclictest3092303-21uname10:43:110
2979438992821,6cyclictest3059652-21ssh10:03:352
2979437992811,14cyclictest3035534-21sh09:36:111
297943699285,6cyclictest3009783-21/usr/sbin/munin08:48:080
297943699284,6cyclictest3087602-21/usr/sbin/munin10:38:050
297943699281,5cyclictest3000721-21unixbench_multi08:18:190
297943899272,6cyclictest171rcu_preempt09:36:112
297943699276,18cyclictest2979433-21cyclictest07:16:100
297943699271,9cyclictest3128015-21run-parts11:26:100
297943899265,14cyclictest3134017-21ssh11:33:052
297943799262,4cyclictest11050irq/107-eth%d11:46:121
2979437992619,4cyclictest0-21swapper/109:43:131
297943699265,20cyclictest0-21swapper/008:33:070
297943699262,7cyclictest2995865-21cron08:06:100
297943699261,8cyclictest3177029-21cut12:18:060
297943699261,6cyclictest2991708-21/usr/sbin/munin07:53:090
297943699260,7cyclictest3070761-21cpuspeed10:18:050
297943899256,13cyclictest3078002-21sendmail-msp10:31:172
297943799255,15cyclictest111788-21systemd-journal09:52:331
297943799251,9cyclictest0-21swapper/110:26:521
297943699257,3cyclictest3156833-21gltestperf11:58:070
297943699252,8cyclictest3162307-21rm12:03:130
297943699252,6cyclictest2988330-21grep07:43:060
297943699252,11cyclictest3076385-21grep10:23:170
2979436992510,2cyclictest3102589-21munin-run10:56:100
297943899245,17cyclictest967-21snmpd08:47:072
297943899242,17cyclictest3132527-21latency_hist11:31:112
297943899242,17cyclictest3132527-21latency_hist11:31:112
2979438992418,3cyclictest3079497-21fschecks_time10:28:112
297943799245,14cyclictest2243333-21munin-node07:16:111
297943799242,9cyclictest3116622-21/usr/sbin/munin11:13:101
297943699245,5cyclictest3201157-21sh12:41:410
297943699241,6cyclictest3124037-21latency_hist11:21:100
297943699241,11cyclictest2999076-21grep08:13:180
297943899236,11cyclictest3146100-21ssh11:46:152
297943899235,14cyclictest3046295-21/usr/sbin/munin09:48:152
297943899233,13cyclictest3069754-21sh10:16:172
2979437992315,5cyclictest111788-21systemd-journal10:34:051
297943699234,5cyclictest3054049-21/usr/sbin/munin09:58:060
297943699232,7cyclictest2986499-21/usr/sbin/munin07:38:070
297943699232,5cyclictest3027465-21grep09:26:110
2979436992318,4cyclictest0-21swapper/007:46:300
2979436992311,10cyclictest0-21swapper/009:18:170
297943699231,10cyclictest3138246-21ssh11:38:080
297943699230,23cyclictest0-21swapper/008:58:050
297943699230,23cyclictest0-21swapper/008:58:050
297943899227,12cyclictest967-21snmpd11:14:022
297943899224,12cyclictest3012211-21ld08:53:252
2979438992218,3cyclictest3008365-21cut08:43:072
2979438992214,6cyclictest0-21swapper/207:16:112
297943799224,13cyclictest111788-21systemd-journal12:34:481
297943799222,14cyclictest3060979-21sendmail-msp10:13:511
297943799222,14cyclictest3060979-21sendmail-msp10:13:511
297943699223,5cyclictest0-21swapper/010:58:200
297943699222,7cyclictest3002194-21/usr/sbin/munin08:23:160
297943699221,8cyclictest2982710-21idleruntime-cro07:26:100
297943699221,20cyclictest3017734-21latency_hist09:11:110
297943699220,9cyclictest111788-21systemd-journal07:28:110
297943899215,13cyclictest111788-21systemd-journal10:51:112
297943899214,9cyclictest11050irq/107-eth%d09:58:122
297943899214,13cyclictest111788-21systemd-journal09:28:132
297943899211,17cyclictest3052502-21ssh09:56:062
297943799215,13cyclictest3019298-21diskmemload09:46:161
297943799213,17cyclictest3104704-21ntpq10:58:151
2979437992116,1cyclictest11050irq/107-eth%d11:58:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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