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2026-04-20 - 09:34
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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 Apr 20, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33900899272,21cyclictest466828-21apt-get21:15:113
339008992620,3cyclictest406194-21apt-get20:15:133
33900899261,23cyclictest261-21systemd-journal22:50:003
33900499261,23cyclictest522192-21cron22:10:012
338998992623,2cyclictest514-21in:imuxsock19:44:590
339008992519,4cyclictest349351-21latency_hist19:20:013
33900899251,21cyclictest456732-21apt-get21:05:133
33900499251,22cyclictest614828-21apt-get23:40:122
339000992515,2cyclictest421098-21idleruntime-cro20:29:591
33900099251,21cyclictest426409-21apt-get20:35:141
33899899250,1cyclictest0-21swapper/019:25:130
339008992420,2cyclictest476916-21apt-get21:25:143
33900899241,21cyclictest671919-21ps00:35:193
33900899241,20cyclictest0-21swapper/323:50:113
33900899241,20cyclictest0-21swapper/321:40:123
33900899240,20cyclictest497224-21apt-get21:45:113
339004992419,4cyclictest451404-21sh21:00:002
339004992419,4cyclictest451404-21sh20:59:592
33900499241,20cyclictest481970-21apt-get21:30:122
33900499241,20cyclictest339209-21apt-get19:10:112
33900499241,20cyclictest0-21swapper/221:50:132
33900499240,20cyclictest0-21swapper/223:20:122
33900499240,20cyclictest0-21swapper/221:05:132
33900099242,2cyclictest558367-21apt-get22:45:121
339000992420,2cyclictest563468-21apt-get22:50:121
339000992420,2cyclictest354823-21apt-get19:25:131
33900099241,20cyclictest624935-21apt-get23:50:121
33900099241,20cyclictest502278-21apt-get21:50:121
33900099241,20cyclictest471885-21apt-get21:20:131
33900099241,20cyclictest0-21swapper/121:00:141
33900099241,20cyclictest0-21swapper/121:00:131
33900099240,4cyclictest481693-21sh21:30:011
33899899241,21cyclictest665871-21apt-get00:30:140
33899899241,21cyclictest365375-21apt-get19:35:100
33899899241,20cyclictest461809-21apt-get21:10:130
33899899240,4cyclictest528436-21tr22:15:170
33899899240,22cyclictest0-21swapper/022:05:110
33899899240,22cyclictest0-21swapper/021:50:120
339008992319,2cyclictest533030-21apt-get22:20:143
339008992319,2cyclictest365018-21sort19:35:013
339008992319,2cyclictest0-21swapper/323:45:123
339008992319,2cyclictest0-21swapper/300:15:133
339008992318,3cyclictest569011-21sort22:55:173
33900899231,2cyclictest0-21swapper/321:20:233
33900899231,20cyclictest0-21swapper/320:50:123
33900899231,19cyclictest0-21swapper/300:10:123
33900899231,19cyclictest0-21swapper/300:10:123
33900899230,20cyclictest0-21swapper/320:25:123
339004992320,1cyclictest538059-21apt-get22:25:132
339004992319,2cyclictest660816-21apt-get00:25:152
339004992317,2cyclictest0-21swapper/222:10:132
33900499231,1cyclictest0-21swapper/221:15:112
33900499230,2cyclictest0-21swapper/220:10:122
33900499230,21cyclictest665874-21chrt00:30:142
33900499230,21cyclictest0-21swapper/221:50:002
33900499230,20cyclictest0-21swapper/221:03:402
33900499230,20cyclictest0-21swapper/221:03:392
33900499230,20cyclictest0-21swapper/220:45:132
33900499230,20cyclictest0-21swapper/220:25:122
33900499230,20cyclictest0-21swapper/200:35:142
33900499230,1cyclictest0-21swapper/221:20:522
33900499230,1cyclictest0-21swapper/220:40:112
33900499230,19cyclictest0-21swapper/223:50:122
339000992319,2cyclictest584104-21apt-get23:10:131
339000992319,2cyclictest0-21swapper/120:20:131
339000992318,3cyclictest389513-21seq19:55:231
339000992318,2cyclictest671900-21sed00:35:191
339000992318,2cyclictest522467-21apt-get22:10:121
33900099231,2cyclictest492170-21apt-get21:40:131
33900099231,20cyclictest0-21swapper/122:30:131
33900099230,20cyclictest0-21swapper/123:55:121
33900099230,20cyclictest0-21swapper/123:45:121
33900099230,19cyclictest0-21swapper/121:05:131
338998992320,2cyclictest645602-21apt-get00:10:120
338998992320,2cyclictest645602-21apt-get00:10:120
338998992320,1cyclictest640528-21apt-get00:05:130
338998992319,2cyclictest359899-21apt-get19:30:130
33899899231,21cyclictest635474-21apt-get00:00:140
33899899230,2cyclictest0-21swapper/023:48:100
33899899230,22cyclictest0-21swapper/021:05:120
33899899230,20cyclictest0-21swapper/023:40:120
33899899230,20cyclictest0-21swapper/021:40:130
33899899230,20cyclictest0-21swapper/020:15:140
33899899230,20cyclictest0-21swapper/019:17:130
33899899230,20cyclictest0-21swapper/000:15:350
33899899230,1cyclictest0-21swapper/022:30:140
339008992219,2cyclictest0-21swapper/320:45:553
339008992219,2cyclictest0-21swapper/320:10:123
339008992219,2cyclictest0-21swapper/319:35:113
339008992217,2cyclictest629988-21apt-get23:55:123
33900899221,20cyclictest0-21swapper/300:31:423
33900899220,2cyclictest446831-21fschecks_count20:55:163
33900899220,2cyclictest446831-21fschecks_count20:55:153
33900899220,21cyclictest64-21kcompactd023:41:103
33900899220,20cyclictest0-21swapper/323:25:123
33900899220,19cyclictest0-21swapper/320:05:123
33900899220,19cyclictest0-21swapper/319:20:113
33900899220,19cyclictest0-21swapper/300:05:113
33900499222,1cyclictest375470-21apt-get19:45:122
339004992219,2cyclictest0-21swapper/222:40:142
339004992219,2cyclictest0-21swapper/219:55:142
339004992218,2cyclictest0-21swapper/222:50:122
33900499221,2cyclictest619882-21apt-get23:45:122
33900499221,20cyclictest0-21swapper/200:15:352
33900499221,1cyclictest0-21swapper/222:00:112
33900499221,19cyclictest579028-21apt-get23:05:112
33900499221,19cyclictest0-21swapper/223:15:102
33900499220,21cyclictest370929-21grep19:40:162
33900499220,20cyclictest0-21swapper/223:30:122
33900499220,20cyclictest0-21swapper/223:00:512
33900499220,1cyclictest0-21swapper/222:15:122
33900499220,1cyclictest0-21swapper/200:22:342
33900499220,19cyclictest0-21swapper/221:10:132
339000992219,2cyclictest0-21swapper/119:36:011
339000992218,3cyclictest501295-21chrt21:45:231
33900099221,20cyclictest0-21swapper/122:38:481
33900099221,1cyclictest0-21swapper/122:05:101
33900099220,2cyclictest538550-21cut22:25:171
33900099220,19cyclictest0-21swapper/123:15:111
33900099220,19cyclictest0-21swapper/119:50:121
338998992217,4cyclictest0-21swapper/022:10:130
33899899220,3cyclictest4454972sleep020:50:230
33899899220,21cyclictest0-21swapper/023:20:130
33899899220,20cyclictest436262-21cron20:44:590
33899899220,20cyclictest0-21swapper/019:50:120
33899899220,1cyclictest0-21swapper/023:00:130
33899899220,1cyclictest0-21swapper/021:38:350
33899899220,19cyclictest421356-21apt-get20:30:130
339008992119,1cyclictest0-21swapper/319:57:313
339008992118,2cyclictest64-21kcompactd021:33:133
339008992118,2cyclictest0-21swapper/323:15:113
339008992118,2cyclictest0-21swapper/320:36:143
339008992117,2cyclictest390633-21apt-get20:00:133
33900899210,2cyclictest0-21swapper/300:25:153
33900899210,20cyclictest64-21kcompactd022:34:303
339004992119,1cyclictest0-21swapper/222:55:182
339004992118,2cyclictest0-21swapper/223:37:562
339004992118,2cyclictest0-21swapper/222:20:142
339004992118,2cyclictest0-21swapper/219:35:002
33900499211,1cyclictest0-21swapper/221:38:362
33900499211,19cyclictest0-21swapper/219:50:122
33900499210,20cyclictest64-21kcompactd019:17:132
33900499210,1cyclictest599267-21apt-get23:25:122
33900499210,1cyclictest0-21swapper/222:30:142
33900499210,1cyclictest0-21swapper/220:15:142
33900499210,19cyclictest0-21swapper/221:40:132
339000992119,1cyclictest0-21swapper/121:35:131
339000992119,1cyclictest0-21swapper/100:25:151
339000992118,1cyclictest0-21swapper/100:20:131
33900099211,1cyclictest0-21swapper/120:50:131
33900099211,19cyclictest0-21swapper/120:17:261
33900099210,2cyclictest441318-21cron20:50:001
33900099210,1cyclictest0-21swapper/123:08:221
338998992119,1cyclictest0-21swapper/022:22:400
338998992118,2cyclictest517160-21awk22:05:010
338998992118,2cyclictest0-21swapper/023:30:120
338998992118,2cyclictest0-21swapper/022:40:140
338998992118,2cyclictest0-21swapper/022:35:110
338998992118,2cyclictest0-21swapper/021:15:110
338998992118,1cyclictest0-21swapper/023:37:570
33899899211,1cyclictest349723-21apt-get19:20:110
33899899211,19cyclictest655737-21apt-get00:20:120
33899899211,18cyclictest436539-21apt-get20:45:120
33899899210,2cyclictest0-21swapper/021:30:120
33899899210,2cyclictest0-21swapper/019:10:110
33899899210,20cyclictest0-21swapper/023:50:120
33899899210,20cyclictest0-21swapper/021:45:120
33899899210,20cyclictest0-21swapper/021:03:400
33899899210,20cyclictest0-21swapper/021:03:390
33899899210,1cyclictest0-21swapper/020:10:120
33899899210,1cyclictest0-21swapper/000:27:240
339008992018,1cyclictest465742-21ntpq21:10:233
339008992018,1cyclictest0-21swapper/323:35:003
339008992018,1cyclictest0-21swapper/323:20:223
339008992018,1cyclictest0-21swapper/321:59:023
339008992018,1cyclictest0-21swapper/321:40:013
339008992017,2cyclictest0-21swapper/323:05:003
339008992017,2cyclictest0-21swapper/300:00:023
33900899201,18cyclictest0-21swapper/320:43:133
33900899200,1cyclictest0-21swapper/322:10:013
33900899200,1cyclictest0-21swapper/322:00:113
33900899200,1cyclictest0-21swapper/321:00:133
33900899200,1cyclictest0-21swapper/321:00:133
33900899200,1cyclictest0-21swapper/320:30:143
33900899200,19cyclictest0-21swapper/322:45:003
33900899200,19cyclictest0-21swapper/322:19:273
339004992018,1cyclictest0-21swapper/222:35:122
339004992017,2cyclictest0-21swapper/221:55:132
339004992017,2cyclictest0-21swapper/220:10:002
33900499200,1cyclictest0-21swapper/219:35:112
33900499200,1cyclictest0-21swapper/200:08:352
33900499200,19cyclictest0-21swapper/220:30:132
33900499200,19cyclictest0-21swapper/200:00:222
339000992018,1cyclictest64-21kcompactd019:32:161
339000992018,1cyclictest0-21swapper/123:40:121
339000992018,1cyclictest0-21swapper/123:00:131
339000992018,1cyclictest0-21swapper/121:10:131
339000992018,1cyclictest0-21swapper/100:30:131
339000992015,4cyclictest400738-21apt-key20:10:001
33900099200,1cyclictest0-21swapper/119:19:221
33900099200,1cyclictest0-21swapper/100:10:121
33900099200,1cyclictest0-21swapper/100:10:121
33900099200,1cyclictest0-21swapper/100:05:131
338998992018,1cyclictest0-21swapper/022:55:180
338998992018,1cyclictest0-21swapper/019:55:140
338998992017,2cyclictest395709-21apt-get20:05:130
338998992017,2cyclictest0-21swapper/022:50:120
338998992017,1cyclictest0-21swapper/023:05:120
338998992016,2cyclictest588891-21munin-run23:15:000
33899899200,2cyclictest64-21kcompactd021:20:510
33899899200,1cyclictest0-21swapper/023:15:100
33899899200,19cyclictest0-21swapper/021:56:210
33899899200,19cyclictest0-21swapper/020:25:120
33899899200,19cyclictest0-21swapper/019:47:520
339008991917,1cyclictest0-21swapper/322:25:223
339004991917,1cyclictest0-21swapper/221:25:142
339004991917,1cyclictest0-21swapper/200:10:122
339004991917,1cyclictest0-21swapper/200:10:122
339004991916,2cyclictest0-21swapper/223:15:002
339000991918,1cyclictest0-21swapper/122:57:381
339000991917,2cyclictest0-21swapper/120:14:431
339000991917,1cyclictest0-21swapper/123:35:151
339000991917,1cyclictest0-21swapper/120:40:111
339000991916,2cyclictest64-21kcompactd019:43:331
339000991915,2cyclictest512384-21apt-get22:00:111
339000991914,4cyclictest395441-21apt20:05:001
339000991913,4cyclictest651163-21ps00:15:171
338998991917,1cyclictest0-21swapper/023:25:120
338998991917,1cyclictest0-21swapper/022:25:220
338998991917,1cyclictest0-21swapper/021:25:140
338998991916,2cyclictest634784-21apt-get00:00:000
338998991916,1cyclictest446647-21apt-get20:55:130
338998991916,1cyclictest446647-21apt-get20:55:130
339008991816,1cyclictest0-21swapper/319:25:133
339008991815,2cyclictest380503-21apt-get19:50:123
339008991815,2cyclictest0-21swapper/320:20:133
339008991815,2cyclictest0-21swapper/319:45:123
339004991816,1cyclictest634830-21apt-config00:00:002
339004991816,1cyclictest0-21swapper/222:49:022
339004991816,1cyclictest0-21swapper/220:35:132
339004991815,2cyclictest446386-21munin-run20:55:002
339000991816,2cyclictest0-21swapper/121:30:171
339000991816,1cyclictest531922-21ntpq22:15:221
339000991816,1cyclictest0-21swapper/123:20:111
339000991815,2cyclictest0-21swapper/119:20:261
338998991815,2cyclictest0-21swapper/020:35:140
339008991716,1cyclictest0-21swapper/322:50:173
339004991715,1cyclictest415124-21ntpq20:20:222
339000991715,1cyclictest0-21swapper/120:55:141
339000991715,1cyclictest0-21swapper/120:55:131
339000991715,1cyclictest0-21swapper/100:00:141
339000991712,3cyclictest533172-21cpuspeed_turbos22:20:141
339008991614,1cyclictest0-21swapper/319:10:123
339008991612,3cyclictest502766-21sed21:50:173
339000991614,2cyclictest0-21swapper/122:44:441
339004991512,2cyclictest0-21swapper/220:05:002
339000991513,1cyclictest64-21kcompactd021:57:251
339000991513,1cyclictest0-21swapper/119:12:221
338998991512,2cyclictest61650irq/133-enp0s29f1:rx-000:35:230
33900899149,3cyclictest548167-21apt-get22:35:123
33900899147,5cyclictest527279-21https22:15:013
339008991412,1cyclictest0-21swapper/323:35:133
339000991411,2cyclictest466908-21cpuspeed_turbos21:15:121
338998991410,3cyclictest61650irq/133-enp0s29f1:rx-020:20:140
33900899139,3cyclictest370506-21cpuspeed_turbos19:40:123
339008991310,2cyclictest583833-21cron23:10:003
33900499138,4cyclictest355235-21cat19:25:162
33900499137,4cyclictest261-21systemd-journal19:25:002
33900099137,4cyclictest604787-21tr23:30:151
339000991310,2cyclictest0-21swapper/123:25:171
33899899139,2cyclictest0-21swapper/020:00:180
33900099128,3cyclictest421421-21cpuspeed_turbos20:30:141
33900099120,4cyclictest380446-21cat19:50:011
3390009996,2cyclictest0-21swapper/119:10:011
3390049985,2cyclictest18150irq/131-nvme0q319:10:012
3390089971,4cyclictest339006-21latency_hist19:10:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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