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2026-07-29 - 10:05
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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 highest latencies:
System rackeslot4.osadl.org (updated Wed Jul 29, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2756432993410,22cyclictest500-21dbus-daemon23:35:000
275644099331,21cyclictest3062392-21dpkg00:10:002
2756442993225,2cyclictest191rcu_preempt19:40:153
275644099300,2cyclictest3021326-21munin-run23:30:012
2756440992922,5cyclictest2858603-21apt-get20:50:142
2756440992821,5cyclictest2914852-21apt-get21:45:132
2756442992722,3cyclictest3000965-21systemd-run23:10:003
275644099270,20cyclictest64-21kcompactd020:15:192
275644099270,20cyclictest0-21swapper/222:35:102
2756440992614,11cyclictest2922204-21sed21:50:202
275644099261,21cyclictest2909738-21apt-get21:40:122
2756442992520,3cyclictest3027075-21apt-get23:35:133
275644299251,22cyclictest2945035-21cron22:15:003
2756440992520,3cyclictest2828142-21apt-get20:20:112
2756440992519,4cyclictest2930587-21ps22:00:162
275644099251,3cyclictest3073198-21apt-get00:20:132
275644099251,22cyclictest3777322-21systemd-journal19:25:012
275644099251,21cyclictest3052429-21apt-get00:00:122
275644099251,20cyclictest2868741-21apt-get21:00:112
275644099251,20cyclictest0-21swapper/200:35:122
2756440992511,2cyclictest0-21swapper/223:04:592
275644099250,22cyclictest2884454-21tr21:15:192
275644099250,19cyclictest0-21swapper/222:20:112
275644099250,19cyclictest0-21swapper/219:55:112
2756436992522,2cyclictest516-21rs:main1
275643699252,21cyclictest2777356-21apt-get19:30:121
275643699252,20cyclictest3083375-21apt-get00:30:111
275643699251,21cyclictest2807832-21apt-get20:00:111
2756432992520,3cyclictest2833212-21apt-get20:25:130
275643299250,5cyclictest2777517-21/usr/sbin/munin19:30:120
2756442992418,4cyclictest3082911-21sshd00:27:513
2756440992419,3cyclictest2899599-21seq21:30:132
2756440992412,10cyclictest0-21swapper/223:15:002
275644099241,20cyclictest2945317-21apt-get22:15:142
275644099241,20cyclictest0-21swapper/219:50:132
275644099240,22cyclictest0-21swapper/222:05:162
275644099240,18cyclictest3088210-21munin-run00:35:002
2756436992420,2cyclictest2925059-21apt-get21:55:131
275643699241,21cyclictest2955476-21apt-get22:25:111
275643699241,20cyclictest0-21swapper/120:25:131
275643699240,22cyclictest2909475-21munin-run21:40:001
275643699240,20cyclictest3042258-21apt-get23:50:141
2756432992420,3cyclictest2756657-21apt-get19:10:160
2756432992420,2cyclictest3078290-21apt-get00:25:140
2756432992420,2cyclictest2919970-21apt-get21:50:140
2756432992420,2cyclictest2843326-21apt-get20:35:130
2756432992419,4cyclictest2756428-21cyclictest22:15:000
2756432992419,3cyclictest3047349-21apt-get23:55:130
2756432992419,3cyclictest2802764-21apt-get19:55:120
2756432992419,2cyclictest2818018-21apt-get20:10:130
2756432992418,4cyclictest3072921-21ls00:20:000
275643299241,21cyclictest3057545-21apt-get00:05:150
275643299241,21cyclictest2787565-21apt-get19:40:120
275643299241,21cyclictest2766819-21apt-get19:20:130
275643299240,4cyclictest3042759-21grep23:50:180
275644299231,2cyclictest2761723-21apt-get19:15:133
275644299231,21cyclictest3006304-21apt-get23:15:133
275644299231,21cyclictest2837106-21ntpq20:25:213
275644299230,3cyclictest2864154-21grep20:55:173
2756440992319,2cyclictest2777356-21apt-get19:30:122
2756440992318,3cyclictest2996146-21apt-get23:05:152
2756440992316,5cyclictest2772790-21tr19:25:162
275644099231,3cyclictest0-21swapper/222:40:122
275644099230,21cyclictest3072924-21cron00:20:002
275644099230,20cyclictest2838757-21grep20:30:162
275644099230,20cyclictest2833703-21sort20:25:162
275644099230,1cyclictest0-21swapper/223:50:142
275643699231,20cyclictest2970752-21apt-get22:40:131
275643699231,20cyclictest2791542-21ntpq19:40:211
275643699231,20cyclictest0-21swapper/100:10:001
275643699230,20cyclictest0-21swapper/123:25:121
275643699230,20cyclictest0-21swapper/123:10:131
275643699230,20cyclictest0-21swapper/122:00:121
275643699230,20cyclictest0-21swapper/121:20:131
275643699230,20cyclictest0-21swapper/121:20:131
275643699230,20cyclictest0-21swapper/120:15:151
2756432992320,2cyclictest2782449-21apt-get19:35:110
2756432992319,2cyclictest2925059-21apt-get21:55:130
2756432992319,2cyclictest2838257-21apt-get20:30:120
2756432992318,3cyclictest2873821-21apt-get21:05:120
275643299231,2cyclictest2899596-21apt-get21:30:120
275643299231,20cyclictest3011400-21apt-get23:20:140
275643299231,20cyclictest0-21swapper/020:20:110
2756442992218,3cyclictest481rcuc/322:55:173
2756442992218,2cyclictest3777322-21systemd-journal19:40:013
2756442992218,2cyclictest0-21swapper/300:20:183
275644299221,2cyclictest0-21swapper/320:00:103
275644299221,2cyclictest0-21swapper/300:30:123
275644299221,20cyclictest2935170-21apt-get22:05:113
275644299220,3cyclictest3026478-21base6423:35:003
275644299220,3cyclictest1-21systemd00:00:013
275644299220,21cyclictest0-21swapper/322:00:123
2756440992219,2cyclictest3028030-21grep23:35:182
2756440992219,1cyclictest3022063-21ps23:30:172
2756440992218,2cyclictest2893804-21sh21:25:002
2756440992218,2cyclictest2893804-21sh21:25:002
2756440992218,2cyclictest0-21swapper/222:25:102
275644099221,20cyclictest0-21swapper/221:14:272
275644099221,20cyclictest0-21swapper/219:36:042
275644099220,2cyclictest2766558-21munin-run19:20:012
275644099220,21cyclictest64-21kcompactd021:06:552
275644099220,20cyclictest2965388-21cron22:35:002
275644099220,20cyclictest0-21swapper/223:15:132
2756436992219,2cyclictest2940244-21apt-get22:10:121
2756436992218,2cyclictest3068105-21apt-get00:15:131
275643699221,2cyclictest3073198-21apt-get00:20:131
275643699221,20cyclictest3021740-21/usr/sbin/munin23:30:141
275643699220,2cyclictest2894563-21ps21:25:161
275643699220,19cyclictest0-21swapper/122:30:121
275643699220,19cyclictest0-21swapper/120:20:111
2756432992218,2cyclictest3001211-21apt-get23:10:110
2756432992217,3cyclictest3037168-21apt-get23:45:140
275643299221,2cyclictest2991076-21apt-get23:00:140
275643299221,2cyclictest2904663-21apt-get21:35:120
275643299221,20cyclictest0-21swapper/021:17:390
275643299221,20cyclictest0-21swapper/019:15:120
275643299221,20cyclictest0-21swapper/000:20:130
275643299220,21cyclictest3089411-21ps00:35:160
2756442992119,1cyclictest50-21ksoftirqd/323:15:003
2756442992119,1cyclictest0-21swapper/323:20:143
2756442992119,1cyclictest0-21swapper/321:35:123
2756442992119,1cyclictest0-21swapper/321:05:123
2756442992119,1cyclictest0-21swapper/319:10:153
2756442992119,1cyclictest0-21swapper/300:00:123
2756442992116,4cyclictest3036908-21awk23:45:013
275644299210,2cyclictest64-21kcompactd019:21:333
275644299210,2cyclictest2985733-21cron22:55:003
275644299210,2cyclictest0-21swapper/322:15:143
275644299210,20cyclictest0-21swapper/322:30:123
275644299210,20cyclictest0-21swapper/321:30:123
275644299210,20cyclictest0-21swapper/319:55:163
275644099218,3cyclictest2848167-21sleep20:40:002
275644099218,2cyclictest0-21swapper/219:15:002
275644099217,3cyclictest0-21swapper/222:55:002
2756440992119,1cyclictest0-21swapper/223:45:152
2756440992119,1cyclictest0-21swapper/220:45:182
2756440992119,1cyclictest0-21swapper/220:05:222
2756440992118,3cyclictest0-21swapper/223:00:022
2756440992118,2cyclictest0-21swapper/223:55:232
2756440992116,4cyclictest0-21swapper/219:45:232
275644099210,20cyclictest0-21swapper/222:46:232
275644099210,20cyclictest0-21swapper/220:55:382
275644099210,20cyclictest0-21swapper/200:27:262
275644099210,1cyclictest0-21swapper/221:35:122
2756436992118,2cyclictest2975823-21apt-get22:45:131
2756436992118,1cyclictest2802764-21apt-get19:55:121
2756436992118,1cyclictest0-21swapper/123:20:141
2756436992118,1cyclictest0-21swapper/122:20:121
2756436992118,1cyclictest0-21swapper/119:10:151
275643699211,1cyclictest0-21swapper/122:15:141
275643699210,2cyclictest64-21kcompactd021:04:141
275643699210,2cyclictest2771110-21runrttasks19:20:251
275643699210,2cyclictest0-21swapper/123:40:121
275643699210,20cyclictest0-21swapper/123:45:141
275643699210,20cyclictest0-21swapper/121:15:151
275643699210,20cyclictest0-21swapper/119:50:131
275643699210,20cyclictest0-21swapper/119:15:141
275643699210,1cyclictest0-21swapper/121:45:131
275643699210,19cyclictest0-21swapper/100:35:111
275643699210,19cyclictest0-21swapper/100:00:121
2756432992118,2cyclictest3032612-21ps23:40:150
2756432992118,2cyclictest0-21swapper/023:27:540
2756432992118,2cyclictest0-21swapper/022:25:110
2756432992118,2cyclictest0-21swapper/022:05:110
2756432992118,1cyclictest0-21swapper/022:15:140
275643299211,1cyclictest64-21kcompactd020:41:070
275643299211,19cyclictest0-21swapper/020:06:430
275643299210,2cyclictest0-21swapper/021:13:550
275643299210,2cyclictest0-21swapper/020:55:180
275643299210,20cyclictest0-21swapper/022:40:120
275643299210,20cyclictest0-21swapper/021:00:100
275643299210,1cyclictest3026381-21apt-get23:35:010
275643299210,1cyclictest0-21swapper/023:15:130
2756442992018,1cyclictest2848141-21cron20:40:003
2756442992018,1cyclictest0-21swapper/321:50:143
2756442992018,1cyclictest0-21swapper/321:20:223
2756442992018,1cyclictest0-21swapper/321:20:223
2756442992018,1cyclictest0-21swapper/320:50:143
2756442992018,1cyclictest0-21swapper/320:07:153
2756442992018,1cyclictest0-21swapper/319:50:143
2756442992016,2cyclictest2894079-21apt-get21:25:123
2756442992016,2cyclictest2858330-21cron20:50:003
275644299200,1cyclictest0-21swapper/323:50:143
275644299200,1cyclictest0-21swapper/322:20:123
275644299200,1cyclictest0-21swapper/321:45:133
275644299200,1cyclictest0-21swapper/321:10:123
275644299200,1cyclictest0-21swapper/320:15:153
275644299200,1cyclictest0-21swapper/300:35:123
275644299200,1cyclictest0-21swapper/300:15:133
275644299200,1cyclictest0-21swapper/300:10:033
275644299200,1cyclictest0-21swapper/300:10:023
275644299200,1cyclictest0-21swapper/300:05:153
275644299200,19cyclictest0-21swapper/322:25:103
275644299200,19cyclictest0-21swapper/319:25:113
2756440992018,1cyclictest0-21swapper/222:10:122
275644099200,1cyclictest0-21swapper/221:25:122
275644099200,1cyclictest0-21swapper/220:00:102
2756436992018,1cyclictest0-21swapper/100:25:131
2756436992017,1cyclictest0-21swapper/119:25:211
275643699200,1cyclictest0-21swapper/122:55:141
275643699200,1cyclictest0-21swapper/122:05:121
275643699200,1cyclictest0-21swapper/121:40:121
275643699200,1cyclictest0-21swapper/120:55:141
275643699200,1cyclictest0-21swapper/120:50:151
275643699200,1cyclictest0-21swapper/120:10:121
275643699200,1cyclictest0-21swapper/119:46:491
275643699200,19cyclictest0-21swapper/123:35:131
275643699200,19cyclictest0-21swapper/123:08:251
2756432992018,1cyclictest0-21swapper/022:45:140
2756432992018,1cyclictest0-21swapper/020:17:270
2756432992016,2cyclictest3088184-21cron00:35:000
275643299200,1cyclictest0-21swapper/000:00:130
275643299200,19cyclictest0-21swapper/022:35:140
275643299200,19cyclictest0-21swapper/019:45:130
2756442991918,1cyclictest0-21swapper/320:24:273
2756442991917,1cyclictest64-21kcompactd022:38:193
2756442991917,1cyclictest0-21swapper/321:40:123
2756442991917,1cyclictest0-21swapper/319:45:143
2756442991916,2cyclictest0-21swapper/323:45:143
2756442991916,2cyclictest0-21swapper/320:14:463
275644299190,1cyclictest2843064-21munin-run20:35:003
275644299190,19cyclictest0-21swapper/322:45:133
2756440991917,1cyclictest0-21swapper/223:20:132
2756440991915,3cyclictest2853262-21cron20:45:002
275643699190,1cyclictest0-21swapper/100:13:291
275643699190,1cyclictest0-21swapper/100:13:281
275643699190,19cyclictest64-21kcompactd023:19:101
2756432991917,1cyclictest0-21swapper/021:43:290
2756432991917,1cyclictest0-21swapper/020:02:560
2756432991917,1cyclictest0-21swapper/000:10:120
2756432991917,1cyclictest0-21swapper/000:10:110
2756432991916,2cyclictest2898911-21munin-run21:29:590
2756432991915,2cyclictest2934011-21ntpq22:00:210
2756432991915,2cyclictest2797699-21apt-get19:50:130
275643299190,1cyclictest0-21swapper/021:20:180
275643299190,1cyclictest0-21swapper/021:20:180
2756442991812,4cyclictest2782179-21turbostat.cron19:35:013
275643699181,9cyclictest2995890-21basename23:04:591
2756436991815,1cyclictest2980911-21apt-get22:50:111
2756436991815,1cyclictest0-21swapper/120:45:141
2756432991816,1cyclictest0-21swapper/020:50:150
2756442991716,1cyclictest0-21swapper/322:40:163
2756442991715,1cyclictest0-21swapper/321:15:153
2756440991715,1cyclictest3063033-21apt-get00:10:122
2756440991715,1cyclictest3063033-21apt-get00:10:112
2756436991715,1cyclictest2904389-21cron21:35:001
2756436991714,2cyclictest2878894-21apt-get21:10:131
2756432991715,1cyclictest0-21swapper/023:05:110
2756432991715,1cyclictest0-21swapper/022:55:140
2756432991713,3cyclictest61650irq/133-enp0s29f1:rx-022:20:210
2756442991614,1cyclictest3016487-21apt-get23:25:133
2756436991614,1cyclictest0-21swapper/123:58:581
2756436991614,1cyclictest0-21swapper/120:43:481
2756432991614,1cyclictest0-21swapper/021:45:210
2756432991613,2cyclictest61650irq/133-enp0s29f1:rx-022:30:430
2756432991613,2cyclictest0-21swapper/022:50:110
275644299159,5cyclictest2929826-21cron22:00:003
2756442991512,2cyclictest377-21hwrng23:00:083
2756436991513,1cyclictest0-21swapper/121:50:141
275644299148,1cyclictest191rcu_preempt20:40:163
2756436991410,2cyclictest2812903-21apt-get20:05:121
2756432991412,2cyclictest64-21kcompactd019:25:520
275644299138,4cyclictest2873530-21sshd21:04:533
275644099139,3cyclictest2818344-21gltestperf20:10:142
275643699139,3cyclictest2878195-21unixbench_singl21:05:251
275643699137,4cyclictest522-21gdbus20:35:001
2756432991311,1cyclictest61650irq/133-enp0s29f1:rx-020:45:250
275644099121,9cyclictest2792364-21latency_hist19:45:002
275643699129,2cyclictest311ktimers/119:35:181
275643299110,9cyclictest2756447-21cat19:10:010
275644099107,2cyclictest0-21swapper/221:55:182
275644099104,4cyclictest3032117-21apt-get23:40:122
27564409986,1cyclictest0-21swapper/219:10:012
27564369984,3cyclictest2756537-21wc19:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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