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2026-05-30 - 13:27
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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 rackeslot4.osadl.org (updated Sat May 30, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
281035799290,20cyclictest2886647-21awk20:25:011
281036099271,22cyclictest2820703-21apt-get19:20:112
281036099271,22cyclictest2820703-21apt-get19:20:102
281036099270,23cyclictest2851529-21sed19:50:152
2810364992621,3cyclictest3097011-21apt-get23:50:123
281036099261,22cyclictest3000186-21/usr/sbin/munin22:15:152
281035799262,20cyclictest2810571-21apt-get19:10:101
281035799261,21cyclictest2953565-21apt-get21:30:091
281035599262,21cyclictest2928224-21apt-get21:05:130
2810355992618,1cyclictest0-21swapper/023:15:150
2810364992523,1cyclictest481rcuc/300:25:193
281036499252,22cyclictest3066646-21apt-get23:20:103
281036499252,21cyclictest3004977-21apt-get22:20:113
2810364992520,4cyclictest3036214-21apt-get22:50:103
281036499251,22cyclictest3112516-21cron00:05:003
281036499251,22cyclictest2851518-21grep19:50:153
281036499251,21cyclictest2815624-21apt-get19:15:103
281036099251,21cyclictest3118264-21apt-get00:10:132
281036099251,21cyclictest0-21swapper/222:25:092
281036099251,20cyclictest0-21swapper/223:30:112
281036099251,20cyclictest0-21swapper/222:35:122
281036099251,20cyclictest0-21swapper/222:10:112
281036099250,21cyclictest2835845-21chrt19:35:112
281035799252,21cyclictest2871711-21apt-get20:10:111
281035799252,21cyclictest2849915-21ntpq19:45:211
281035799251,21cyclictest2866636-21apt-get20:05:131
281035799250,22cyclictest2892183-21modprobe20:30:131
281036499244,19cyclictest481rcuc/319:45:123
2810364992416,2cyclictest191rcu_preempt21:35:173
281036499241,2cyclictest3010052-21apt-get22:25:113
281036499241,21cyclictest3051419-21apt-get23:05:133
281036499240,23cyclictest3117952-21latency_hist00:10:013
2810360992420,2cyclictest3025617-21apt-get22:40:112
2810360992419,3cyclictest3123752-21apt-get00:15:112
2810360992418,4cyclictest3046703-21sshd23:00:142
281036099241,2cyclictest2968728-21apt-get21:45:122
281036099241,21cyclictest3106536-21ntpq23:55:212
281036099241,21cyclictest2978533-21cron21:55:002
281036099240,21cyclictest2882366-21ps20:20:152
281036099240,21cyclictest0-21swapper/222:00:122
281035799241,21cyclictest3061573-21apt-get23:15:101
281035799241,21cyclictest2984289-21apt-get22:00:121
281035799241,20cyclictest3041292-21apt-get22:55:101
281035799241,20cyclictest0-21swapper/121:45:131
2810355992419,3cyclictest3015109-21apt-get22:30:100
2810355992419,3cyclictest2830788-21apt-get19:30:110
281035599241,21cyclictest3102532-21apt-get23:55:110
281035599241,21cyclictest2963675-21apt-get21:40:110
281036499235,12cyclictest2812710-21cut19:10:163
281036499232,20cyclictest0-21swapper/320:00:003
2810364992321,1cyclictest0-21swapper/319:30:123
2810364992320,2cyclictest491ktimers/320:35:153
2810364992318,3cyclictest2938358-21apt-get21:15:123
281036499231,2cyclictest2835842-21apt-get19:35:113
281036499231,2cyclictest0-21swapper/320:30:133
281036499231,21cyclictest2949008-21sort21:25:163
281036499231,21cyclictest0-21swapper/321:50:123
281036499231,20cyclictest3091941-21apt-get23:45:113
2810360992320,2cyclictest2979234-21apt-get21:55:102
2810360992320,2cyclictest2979234-21apt-get21:55:102
2810360992319,2cyclictest3046103-21sh23:00:012
2810360992319,2cyclictest0-21swapper/222:20:112
2810360992318,3cyclictest3112793-21apt-get00:05:132
281036099231,21cyclictest0-21swapper/223:20:222
281036099231,20cyclictest2912592-21apt-get20:50:122
281036099231,20cyclictest0-21swapper/221:00:132
281036099231,19cyclictest0-21swapper/219:15:102
281036099230,22cyclictest2810368-21date19:10:012
281036099230,20cyclictest3144038-21apt-get00:35:112
2810357992320,2cyclictest3076505-21cron23:29:591
2810357992319,2cyclictest2880680-21ntpq20:15:201
2810357992319,2cyclictest2840894-21apt-get19:40:101
281035799231,20cyclictest3100926-21ntpq23:50:191
281035799230,22cyclictest2917421-21basename20:55:001
281035799230,21cyclictest3030755-21latency_hist22:45:001
281035799230,20cyclictest2912248-21apt-config20:50:001
2810355992320,2cyclictest2851026-21apt-get19:50:120
2810355992319,2cyclictest3076784-21apt-get23:30:110
2810355992319,2cyclictest2912555-21apt-get20:50:020
2810355992317,4cyclictest2953295-21ls21:29:590
281035599231,2cyclictest2910989-21ntpq20:45:200
281035599231,2cyclictest2861555-21apt-get20:00:090
281035599231,20cyclictest2947367-21ntpq21:20:210
281035599231,20cyclictest0-21swapper/023:35:120
281035599230,22cyclictest2882360-21tr20:20:160
281035599230,20cyclictest0-21swapper/021:00:010
2810364992219,2cyclictest3056507-21apt-get23:10:113
2810364992219,2cyclictest0-21swapper/321:40:133
2810364992218,3cyclictest3148865-21idleruntime-cro00:40:003
281036499221,20cyclictest0-21swapper/320:45:183
281036499221,20cyclictest0-21swapper/320:05:133
281036499221,19cyclictest0-21swapper/322:48:133
281036499220,3cyclictest2923134-21apt-get21:00:033
281036499220,21cyclictest50-21ksoftirqd/320:18:093
2810360992218,2cyclictest3056240-21idleruntime-cro23:10:012
2810360992218,2cyclictest2958365-21munin-run21:34:592
2810360992218,2cyclictest0-21swapper/219:55:112
2810360992218,2cyclictest0-21swapper/219:10:112
281036099220,2cyclictest0-21swapper/223:10:112
281036099220,19cyclictest0-21swapper/221:10:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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