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2026-09-07 - 07:48
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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 Mon Sep 07, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2733863993430,2cyclictest0-21swapper/222:05:162
2733863992826,1cyclictest2861514-21idleruntime-cro21:15:002
273386899271,22cyclictest2917624-21apt-get22:10:153
273386399272,21cyclictest3035330-21apt-get00:05:142
273386199272,21cyclictest2861792-21apt-get21:15:131
273386899262,3cyclictest2963843-21apt-get22:55:113
273386899262,3cyclictest2948614-21apt-get22:40:143
273386899261,21cyclictest3020113-21apt-get23:50:143
273386899260,24cyclictest2754055-21cron19:30:003
273386399262,1cyclictest2968652-21munin-plugin-st23:00:002
273386399261,21cyclictest2769973-21apt-get19:45:122
273386199261,21cyclictest2907458-21apt-get22:00:111
273386899252,21cyclictest0-21swapper/323:05:003
273386899251,21cyclictest0-21swapper/320:45:133
273386899251,21cyclictest0-21swapper/319:15:133
273386899251,20cyclictest0-21swapper/319:10:123
273386899250,5cyclictest3066327-21irqcore00:35:183
2733863992521,3cyclictest2930073-21ps22:20:172
273385799250,24cyclictest2850508-21seq21:00:220
273386899241,21cyclictest3060734-21apt-get00:30:123
273386899241,21cyclictest0-21swapper/319:40:133
273386899241,20cyclictest702-21runrttasks21:55:123
273386899240,4cyclictest2899517-21sort21:50:203
273386899240,4cyclictest2754311-21/usr/sbin/munin19:30:263
273386899240,21cyclictest0-21swapper/319:55:123
273386899240,20cyclictest0-21swapper/319:50:123
273386399242,19cyclictest2958755-21apt-get22:50:142
2733863992420,2cyclictest3050496-21apt-get00:20:132
273386399241,20cyclictest3065843-21apt-get00:35:132
273386399241,20cyclictest2897280-21apt-get21:50:152
273386399241,20cyclictest2815728-21apt-get20:30:132
273386399240,2cyclictest3030729-21ps00:00:182
273386399240,21cyclictest2979965-21ps23:10:182
2733861992420,3cyclictest2759829-21apt-get19:35:121
2733861992420,2cyclictest2938474-21apt-get22:30:131
2733861992420,2cyclictest2744195-21apt-get19:20:101
2733861992417,5cyclictest3050980-21ps00:20:171
273386199241,20cyclictest2892228-21apt-get21:45:131
273386199241,20cyclictest2830914-21apt-get20:45:131
273386199241,20cyclictest2785208-21apt-get20:00:141
273386199241,20cyclictest2780138-21apt-get19:55:131
273385799242,2cyclictest3009998-21apt-get23:40:130
2733857992420,2cyclictest2882045-21apt-get21:35:120
273385799241,21cyclictest2968916-21apt-get23:00:140
273385799241,20cyclictest2734079-21apt-get19:10:120
2733868992319,2cyclictest0-21swapper/321:35:123
2733868992319,2cyclictest0-21swapper/320:40:123
2733868992319,2cyclictest0-21swapper/300:00:143
2733868992316,5cyclictest2943243-21ls22:35:003
273386899231,21cyclictest0-21swapper/322:50:143
273386899231,20cyclictest2912248-21cron22:05:013
273386899231,20cyclictest0-21swapper/300:30:003
273386899231,19cyclictest0-21swapper/321:10:143
273386899230,3cyclictest2842000-21sed20:55:173
273386899230,22cyclictest64-21kcompactd020:29:533
273386899230,21cyclictest75-21kswapd020:50:023
273386899230,21cyclictest75-21kswapd020:50:023
273386899230,21cyclictest2847113-21grep21:00:163
273386899230,20cyclictest0-21swapper/319:45:123
2733863992319,3cyclictest1-21systemd19:30:002
2733863992319,2cyclictest2764901-21apt-get19:40:142
273386399230,2cyclictest2872443-21cut21:25:172
273386399230,22cyclictest2855536-21taskset21:05:202
273386399230,21cyclictest2830917-21chrt20:45:132
273386399230,20cyclictest0-21swapper/223:20:122
273386399230,20cyclictest0-21swapper/223:00:142
273386399230,20cyclictest0-21swapper/219:30:142
273386399230,1cyclictest0-21swapper/219:55:122
273386399230,19cyclictest0-21swapper/219:15:132
2733861992319,2cyclictest3004927-21apt-get23:35:121
2733861992319,2cyclictest2871940-21apt-get21:25:131
2733861992319,2cyclictest2836428-21apt-get20:50:131
2733861992319,2cyclictest2836428-21apt-get20:50:121
2733861992318,3cyclictest2974017-21apt-key23:05:001
273386199231,2cyclictest3025155-21apt-get23:55:131
273386199231,2cyclictest2927840-21apt-get22:20:111
273386199231,2cyclictest2902366-21apt-get21:55:121
273386199231,2cyclictest2871664-21ls21:25:001
273386199231,2cyclictest2749289-21apt-get19:25:121
273386199231,20cyclictest3015065-21apt-get23:45:121
273386199231,19cyclictest0-21swapper/100:35:131
273386199230,20cyclictest2994766-21apt-get23:25:121
273386199230,20cyclictest0-21swapper/120:25:111
273386199230,20cyclictest0-21swapper/100:30:121
273386199230,19cyclictest0-21swapper/121:50:151
2733857992319,2cyclictest2841511-21apt-get20:55:130
273385799231,2cyclictest0-21swapper/020:25:160
273385799231,20cyclictest2825844-21apt-get20:40:110
273385799231,20cyclictest2749289-21apt-get19:25:120
273385799230,3cyclictest3030735-21tr00:00:180
273385799230,2cyclictest0-21swapper/000:30:120
273385799230,22cyclictest0-21swapper/023:20:120
273385799230,21cyclictest2979973-21cut23:10:180
273385799230,21cyclictest0-21swapper/019:15:130
273385799230,20cyclictest0-21swapper/019:46:210
273385799230,20cyclictest0-21swapper/000:35:140
2733868992219,2cyclictest64-21kcompactd019:35:353
2733868992219,2cyclictest2861792-21apt-get21:15:143
2733868992219,2cyclictest0-21swapper/300:05:163
2733868992218,2cyclictest0-21swapper/322:15:123
2733868992218,2cyclictest0-21swapper/320:05:123
273386899221,2cyclictest0-21swapper/322:29:213
273386899221,2cyclictest0-21swapper/320:30:133
273386899221,2cyclictest0-21swapper/300:10:133
273386899221,20cyclictest0-21swapper/322:45:123
273386899220,2cyclictest2994766-21apt-get23:25:133
273386899220,2cyclictest0-21swapper/323:55:143
273386899220,2cyclictest0-21swapper/323:05:123
273386899220,20cyclictest0-21swapper/323:45:113
273386899220,19cyclictest0-21swapper/321:20:113
2733863992215,6cyclictest3003312-21cut23:30:192
273386399221,2cyclictest2846310-21apt-get21:00:012
273386399220,4cyclictest3777322-21systemd-journal21:50:012
273386399220,2cyclictest3050234-21munin-run00:20:002
273386399220,1cyclictest2912250-21cron22:05:012
273386399220,1cyclictest0-21swapper/223:45:112
273386399220,1cyclictest0-21swapper/220:25:112
2733861992218,1cyclictest2943521-21apt-get22:35:141
273386199220,20cyclictest0-21swapper/100:10:131
273386199220,19cyclictest0-21swapper/119:40:141
2733857992219,2cyclictest2922737-21apt-get22:15:120
2733857992218,3cyclictest64-21kcompactd021:24:270
2733857992214,6cyclictest3004644-21cron23:35:000
273385799221,2cyclictest0-21swapper/021:25:170
273385799221,20cyclictest2805590-21apt-get20:20:140
273385799220,2cyclictest2912249-21cron22:05:010
273385799220,20cyclictest64-21kcompactd019:32:350
273385799220,20cyclictest2989394-21cron23:20:000
273385799220,20cyclictest2948351-21munin-run22:40:000
273385799220,1cyclictest0-21swapper/023:39:270
273385799220,19cyclictest0-21swapper/023:08:170
273385799220,19cyclictest0-21swapper/020:45:120
2733868992118,2cyclictest0-21swapper/323:20:123
2733868992118,2cyclictest0-21swapper/300:15:123
273386899210,2cyclictest0-21swapper/323:15:133
273386899210,20cyclictest0-21swapper/320:14:503
273386899210,19cyclictest2948332-21cron22:39:593
2733863992119,1cyclictest64-21kcompactd020:52:122
2733863992119,1cyclictest64-21kcompactd020:52:112
2733863992119,1cyclictest0-21swapper/222:15:122
2733863992119,1cyclictest0-21swapper/221:35:122
2733863992119,1cyclictest0-21swapper/219:50:122
2733863992118,2cyclictest0-21swapper/222:50:002
2733863992117,2cyclictest2734082-21taskset19:10:122
273386399211,1cyclictest3029102-21ntpq23:55:232
273386399211,1cyclictest2984580-21apt-get23:15:132
273386399211,1cyclictest0-21swapper/223:40:132
273386399211,19cyclictest2795400-21apt-get20:10:122
273386399210,20cyclictest0-21swapper/221:00:222
273386399210,1cyclictest0-21swapper/200:30:122
273386399210,19cyclictest0-21swapper/222:39:002
273386399210,18cyclictest0-21swapper/200:25:122
2733861992119,1cyclictest3030232-21apt-get00:00:141
2733861992119,1cyclictest0-21swapper/123:20:001
2733861992119,1cyclictest0-21swapper/120:55:131
2733861992118,2cyclictest3024874-21cron23:55:001
2733861992117,2cyclictest2989675-21apt-get23:20:131
273386199211,1cyclictest2984296-21cron23:15:001
273386199210,2cyclictest0-21swapper/121:35:221
273386199210,1cyclictest0-21swapper/123:40:131
273386199210,1cyclictest0-21swapper/123:05:141
273386199210,19cyclictest0-21swapper/122:45:121
2733857992119,1cyclictest0-21swapper/020:52:120
2733857992119,1cyclictest0-21swapper/020:52:110
2733857992118,2cyclictest2913031-21irqcore22:05:170
2733857992118,2cyclictest2764904-21taskset19:40:140
2733857992118,2cyclictest0-21swapper/019:50:130
2733857992118,2cyclictest0-21swapper/000:20:120
2733857992117,2cyclictest2851672-21apt-get21:05:120
2733857992116,3cyclictest2825564-21cron20:40:000
273385799210,21cyclictest0-21swapper/000:25:120
273385799210,20cyclictest0-21swapper/020:30:130
273385799210,1cyclictest0-21swapper/019:55:120
273385799210,19cyclictest2963585-21munin-run22:55:000
273385799210,19cyclictest0-21swapper/023:25:120
273385799210,19cyclictest0-21swapper/021:30:150
2733868992018,1cyclictest0-21swapper/321:40:143
2733868992017,2cyclictest0-21swapper/321:45:143
2733868992015,3cyclictest0-21swapper/322:24:593
273386899200,1cyclictest0-21swapper/323:10:193
273386899200,1cyclictest0-21swapper/320:02:293
273386899200,19cyclictest0-21swapper/323:35:163
273386399202,2cyclictest2821299-21tr20:35:172
2733863992018,1cyclictest0-21swapper/223:35:122
2733863992018,1cyclictest0-21swapper/221:24:272
2733863992018,1cyclictest0-21swapper/220:20:132
2733863992017,1cyclictest3040354-21apt-get00:10:132
2733863992016,2cyclictest2877010-21apt-get21:30:152
273386399200,1cyclictest0-21swapper/223:50:132
273386399200,19cyclictest0-21swapper/223:08:172
273386399200,19cyclictest0-21swapper/220:40:212
273386399200,19cyclictest0-21swapper/219:40:002
2733861992018,1cyclictest0-21swapper/122:40:141
2733861992018,1cyclictest0-21swapper/122:10:141
2733861992018,1cyclictest0-21swapper/122:05:111
2733861992018,1cyclictest0-21swapper/121:40:141
2733861992016,2cyclictest2933358-21apt-get22:25:121
273386199200,1cyclictest0-21swapper/123:00:001
273386199200,1cyclictest0-21swapper/121:30:151
273386199200,1cyclictest0-21swapper/120:40:121
273386199200,1cyclictest0-21swapper/120:10:221
2733857992018,1cyclictest2790285-21apt-get20:05:140
2733857992017,2cyclictest0-21swapper/023:50:130
2733857992017,2cyclictest0-21swapper/022:40:140
2733857992017,2cyclictest0-21swapper/022:25:120
2733857992016,2cyclictest0-21swapper/022:55:110
273385799200,1cyclictest0-21swapper/023:45:110
273385799200,1cyclictest0-21swapper/022:45:110
273385799200,19cyclictest2785704-21ps20:00:190
273385799200,19cyclictest0-21swapper/022:20:120
273385799200,19cyclictest0-21swapper/019:35:030
2733868991916,2cyclictest0-21swapper/320:15:123
2733868991915,2cyclictest0-21swapper/320:20:133
2733868991915,2cyclictest0-21swapper/319:20:103
2733863991917,1cyclictest0-21swapper/222:40:142
2733863991916,1cyclictest0-21swapper/222:25:122
2733861991916,1cyclictest0-21swapper/119:45:121
2733861991915,2cyclictest3055594-21apt-get00:25:131
273386199190,1cyclictest0-21swapper/120:19:411
2733857991917,1cyclictest0-21swapper/021:50:150
2733857991917,1cyclictest0-21swapper/000:10:140
273385799190,18cyclictest0-21swapper/021:15:010
273386899180,18cyclictest0-21swapper/323:41:363
2733863991816,1cyclictest0-21swapper/221:55:112
2733863991816,1cyclictest0-21swapper/220:05:122
2733863991815,2cyclictest2805326-21sh20:20:002
2733863991814,3cyclictest2785432-21fschecks_time20:00:162
2733861991816,1cyclictest0-21swapper/121:00:131
2733861991816,1cyclictest0-21swapper/119:10:131
273386199180,17cyclictest3046393-21ps00:15:171
2733868991715,1cyclictest0-21swapper/321:05:123
2733868991713,2cyclictest0-21swapper/321:30:153
2733868991711,4cyclictest3777322-21systemd-journal00:23:303
2733863991715,1cyclictest64-21kcompactd022:33:392
2733863991714,2cyclictest0-21swapper/219:20:132
2733861991715,1cyclictest0-21swapper/122:50:151
2733861991715,1cyclictest0-21swapper/120:20:151
2733861991715,1cyclictest0-21swapper/100:05:141
2733857991715,1cyclictest0-21swapper/022:33:390
2733857991714,2cyclictest2861795-21taskset21:15:140
2733857991713,3cyclictest61650irq/133-enp0s29f1:rx-020:15:130
2733868991613,2cyclictest64-21kcompactd023:34:053
2733863991614,1cyclictest0-21swapper/221:18:332
2733861991612,2cyclictest3865595-21kworker/u8:0-events_unbound23:35:001
2733857991614,1cyclictest3029963-21sh00:00:000
2733857991614,1cyclictest0-21swapper/022:10:150
2733857991614,1cyclictest0-21swapper/019:22:220
2733857991613,2cyclictest61650irq/133-enp0s29f1:rx-021:40:230
2733857991612,3cyclictest61650irq/133-enp0s29f1:rx-021:55:210
2733863991513,1cyclictest0-21swapper/223:25:132
2733863991513,1cyclictest0-21swapper/222:10:152
273386199157,6cyclictest3777322-21systemd-journal20:40:011
2733861991512,2cyclictest2923226-21grep22:15:161
2733861991512,2cyclictest2820520-21ls20:35:001
2733857991512,2cyclictest61650irq/133-enp0s29f1:rx-021:45:140
2733857991512,2cyclictest3045444-21apt-get00:15:120
2733868991412,1cyclictest0-21swapper/322:09:043
2733868991410,2cyclictest0-21swapper/321:30:013
2733861991412,1cyclictest0-21swapper/119:16:591
273386199140,2cyclictest2861537-21turbostat21:15:011
2733857991411,2cyclictest62450irq/134-enp0s29f1:tx-000:05:260
273386399138,3cyclictest0-21swapper/221:40:242
273385799138,4cyclictest3777322-21systemd-journal20:14:590
273386199121,2cyclictest2779865-21latency_hist19:55:011
273386199120,11cyclictest0-21swapper/119:35:011
273386899118,2cyclictest0-21swapper/320:35:193
273386199105,4cyclictest2790837-21sed20:05:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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