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2026-09-02 - 12:24
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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 792 highest latencies:
System rackeslot4.osadl.org (updated Wed Sep 02, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
419209899305,23cyclictest500-21dbus-daemon20:50:003
419209899285,22cyclictest90869-21sh20:40:003
4192098992825,1cyclictest207697-21cron22:35:003
419209899276,2cyclictest0-21swapper/322:50:123
419209899264,20cyclictest3777322-21systemd-journal20:30:003
419209199262,21cyclictest44544-21apt-get19:55:151
419209199262,21cyclictest218603-21apt-get22:45:141
4192091992620,3cyclictest8908-21apt-get19:20:131
419209199261,21cyclictest239282-21apt-get23:05:111
4192088992623,2cyclictest516-21rs:main0
419209899251,22cyclictest91143-21chrt20:40:123
419209899251,21cyclictest59799-21apt-get20:10:133
419209499251,20cyclictest223648-21apt-get22:50:122
419209199252,20cyclictest259614-21apt-get23:25:111
419209199251,21cyclictest152111-21apt-get21:40:121
419209199251,21cyclictest106376-21apt-get20:55:121
419209199250,5cyclictest270235-21ps23:35:161
4192088992520,3cyclictest24211-21apt-get19:35:120
419208899251,22cyclictest3777322-21systemd-journal20:10:000
419208899251,22cyclictest331268-21apt-get00:35:120
419208899251,22cyclictest208390-21apt-get22:35:120
419209899245,7cyclictest135806-21nvmesmart_nvme021:20:223
419209899243,8cyclictest246688-21cut23:10:183
419209899242,2cyclictest147043-21apt-get21:35:113
4192098992422,1cyclictest8437-21apt-config19:20:013
419209899241,4cyclictest315971-21taskset00:20:123
419209899241,20cyclictest0-21swapper/320:20:133
419209899241,20cyclictest0-21swapper/300:35:133
419209899240,20cyclictest19118-21apt-get19:30:123
419209899240,20cyclictest0-21swapper/322:25:143
419209499249,7cyclictest269474-21munin-run23:35:002
419209499246,10cyclictest284737-21munin-run23:50:012
419209499246,10cyclictest284737-21munin-run23:50:002
4192094992420,2cyclictest75413-21apt-get20:25:132
419209499241,20cyclictest244355-21apt-get23:10:132
419209499240,22cyclictest167351-21chrt21:55:132
419209499240,20cyclictest0-21swapper/221:50:122
4192091992420,2cyclictest39425-21apt-get19:50:121
4192091992419,2cyclictest264689-21apt-get23:30:131
419209199241,21cyclictest84924-21ntpq20:30:231
419209199241,21cyclictest0-21swapper/123:55:121
419209199241,20cyclictest111447-21apt-get21:00:121
419209199240,22cyclictest177194-21idleruntime-cro22:05:001
419209199240,21cyclictest8223-21latency_hist19:20:001
419209199240,21cyclictest0-21swapper/122:05:121
419209199240,21cyclictest0-21swapper/119:10:131
419209199240,21cyclictest0-21swapper/100:05:121
419209199240,20cyclictest0-21swapper/123:10:121
419209199240,20cyclictest0-21swapper/120:20:131
419209199240,19cyclictest0-21swapper/120:05:111
419208899242,2cyclictest321062-21apt-get00:25:120
4192088992420,2cyclictest197800-21apt-get22:25:130
4192088992417,5cyclictest116245-21ls21:05:000
419208899241,21cyclictest0-21swapper/021:15:190
419208899240,4cyclictest69647-21cron20:20:000
419208899240,20cyclictest0-21swapper/019:15:120
419209899236,5cyclictest104655-21grep20:50:183
419209899235,5cyclictest15507-21tr19:25:173
419209899234,7cyclictest255850-21cut23:20:173
419209899233,7cyclictest29559-21grep19:40:133
4192098992319,2cyclictest290559-21apt-get23:55:123
4192098992319,2cyclictest0-21swapper/323:25:123
419209899231,2cyclictest68791-21ntpq20:15:223
419209899230,3cyclictest3136-21ls19:15:003
419209899230,22cyclictest0-21swapper/300:04:283
419209899230,20cyclictest0-21swapper/323:15:013
4192094992320,1cyclictest213483-21apt-get22:40:122
4192094992319,2cyclictest3410-21apt-get19:15:132
419209499231,2cyclictest69917-21apt-get20:20:132
419209499230,20cyclictest0-21swapper/200:20:122
4192091992320,2cyclictest0-21swapper/123:45:131
4192091992320,2cyclictest0-21swapper/123:45:121
4192091992317,4cyclictest213968-21irqcore22:40:151
419209199231,2cyclictest326174-21apt-get00:30:121
419209199231,2cyclictest202895-21apt-get22:30:131
419209199231,2cyclictest131809-21apt-get21:20:121
419209199231,21cyclictest1-21systemd23:25:001
419209199231,20cyclictest0-21swapper/100:15:131
419209199230,20cyclictest284995-21apt-get23:50:121
419209199230,20cyclictest0-21swapper/100:35:121
4192088992319,3cyclictest295637-21apt-get00:00:120
4192088992319,3cyclictest167070-21cron21:55:000
4192088992319,2cyclictest80931-21apt-get20:30:140
419208899231,2cyclictest269738-21apt-get23:35:110
419208899231,2cyclictest229143-21apt-get22:55:110
419208899231,2cyclictest172396-21apt-get22:00:140
419208899231,21cyclictest300731-21apt-get00:05:120
419208899231,21cyclictest141952-21apt-get21:30:120
419208899230,20cyclictest0-21swapper/022:30:130
419209899225,5cyclictest189900-21ps22:15:193
419209899224,5cyclictest177859-21idleruntime22:05:153
419209899223,6cyclictest173176-21cut22:00:173
419209899223,11cyclictest0-21swapper/321:15:013
419209899223,11cyclictest0-21swapper/321:15:003
4192098992219,2cyclictest289719-21apt-get23:53:423
4192098992219,1cyclictest0-21swapper/322:10:143
4192098992219,1cyclictest0-21swapper/320:55:123
4192098992218,2cyclictest0-21swapper/321:55:143
4192098992218,2cyclictest0-21swapper/321:50:123
419209899221,2cyclictest54724-21apt-get20:05:113
419209899220,2cyclictest310896-21apt-get00:15:133
419209899220,20cyclictest3777322-21systemd-journal21:50:003
419209899220,20cyclictest0-21swapper/321:00:123
419209899220,19cyclictest0-21swapper/320:00:123
4192094992218,2cyclictest300731-21apt-get00:05:132
419209499221,2cyclictest290559-21apt-get23:55:122
419209499221,20cyclictest182302-21munin-run22:10:002
419209499220,2cyclictest330179-21ntpq00:30:222
419209499220,21cyclictest213208-21cron22:39:592
419209499220,20cyclictest0-21swapper/222:25:132
419209499220,20cyclictest0-21swapper/220:00:122
419209499220,19cyclictest0-21swapper/223:25:122
419209499220,19cyclictest0-21swapper/220:30:142
419209499220,19cyclictest0-21swapper/220:10:132
419209499220,19cyclictest0-21swapper/219:20:032
4192091992219,2cyclictest162000-21munin-run21:50:001
419209199221,2cyclictest64866-21apt-get20:15:131
419209199221,2cyclictest193247-21ps22:20:171
419209199221,2cyclictest0-21swapper/120:10:131
419209199221,20cyclictest0-21swapper/120:53:381
419209199221,20cyclictest0-21swapper/120:30:001
419209199221,1cyclictest249448-21apt-get23:15:121
419209199220,2cyclictest136879-21apt-get21:25:101
4192088992219,2cyclictest310616-21cron00:15:010
4192088992219,2cyclictest0-21swapper/023:50:120
4192088992218,2cyclictest0-21swapper/019:25:110
4192088992217,3cyclictest516-21rs:main0
4192088992213,7cyclictest64587-21cron20:15:000
419208899221,20cyclictest0-21swapper/020:35:110
419208899221,1cyclictest106376-21apt-get20:55:120
419208899221,1cyclictest0-21swapper/021:45:130
419208899220,2cyclictest80245-21munin-run20:30:000
419208899220,20cyclictest0-21swapper/021:05:110
419208899220,19cyclictest0-21swapper/020:40:120
419209899214,6cyclictest44400-21latency_hist19:55:013
419209899214,5cyclictest327340-21grep00:30:173
419209899213,7cyclictest237554-21kthreadcore23:00:163
4192098992119,1cyclictest0-21swapper/323:35:123
4192098992119,1cyclictest0-21swapper/322:45:133
4192098992119,1cyclictest0-21swapper/300:10:133
4192098992119,1cyclictest0-21swapper/300:08:483
4192098992118,2cyclictest0-21swapper/319:20:133
4192098992117,3cyclictest321555-21cut00:25:163
4192098992117,3cyclictest0-21swapper/321:05:113
4192098992116,3cyclictest500-21dbus-daemon21:45:013
4192098992115,4cyclictest81360-21/usr/sbin/munin20:30:173
4192094992119,1cyclictest17957-21ntpq19:25:202
4192094992119,1cyclictest0-21swapper/220:45:142
4192094992119,1cyclictest0-21swapper/219:35:122
4192094992118,2cyclictest234212-21apt-get23:00:102
4192094992117,3cyclictest157206-21apt-get21:45:132
4192094992117,2cyclictest290158-21cat23:55:012
4192094992117,2cyclictest177188-21cron22:05:002
4192094992116,3cyclictest0-21swapper/200:20:002
419209499211,1cyclictest0-21swapper/223:05:112
419209499211,1cyclictest0-21swapper/200:35:122
419209499210,20cyclictest64-21kcompactd020:19:132
419209499210,20cyclictest156073-21ntpq21:40:222
419209499210,1cyclictest0-21swapper/221:25:112
419209499210,1cyclictest0-21swapper/221:20:112
419209499210,19cyclictest0-21swapper/223:35:162
419209499210,19cyclictest0-21swapper/222:30:132
4192091992119,1cyclictest64-21kcompactd000:12:331
4192091992119,1cyclictest0-21swapper/122:55:111
4192091992117,2cyclictest64-21kcompactd000:00:101
4192091992117,2cyclictest50153-21ps20:00:171
4192091992117,2cyclictest316458-21irqcore00:20:151
419209199211,1cyclictest0-21swapper/122:50:121
419209199210,2cyclictest24709-21ps19:35:161
419209199210,2cyclictest0-21swapper/123:00:111
419209199210,2cyclictest0-21swapper/119:30:121
419209199210,20cyclictest18841-21cron19:30:001
419209199210,20cyclictest0-21swapper/123:44:351
4192088992119,1cyclictest0-21swapper/023:00:180
4192088992119,1cyclictest0-21swapper/022:12:070
4192088992119,1cyclictest0-21swapper/019:45:120
4192088992118,2cyclictest49656-21apt-get20:00:120
4192088992118,2cyclictest0-21swapper/023:45:130
4192088992118,2cyclictest0-21swapper/023:45:120
4192088992118,2cyclictest0-21swapper/023:10:120
4192088992118,2cyclictest0-21swapper/021:35:110
4192088992118,2cyclictest0-21swapper/019:43:130
4192088992117,2cyclictest0-21swapper/023:20:110
419208899211,1cyclictest0-21swapper/021:20:110
419208899211,1cyclictest0-21swapper/019:20:120
419208899210,2cyclictest0-21swapper/023:55:120
419208899210,20cyclictest0-21swapper/022:40:110
419208899210,20cyclictest0-21swapper/019:54:300
419208899210,1cyclictest0-21swapper/022:50:240
419209899204,5cyclictest275044-21grep23:40:143
419209899203,5cyclictest4192244-21cat19:10:013
419209899202,7cyclictest139348-21grep21:25:173
4192098992018,1cyclictest0-21swapper/322:21:163
4192098992016,2cyclictest0-21swapper/319:55:153
419209899200,1cyclictest0-21swapper/322:35:213
419209899200,1cyclictest0-21swapper/321:20:003
4192094992018,1cyclictest254522-21apt-get23:20:112
4192094992018,1cyclictest0-21swapper/221:05:102
4192094992018,1cyclictest0-21swapper/220:05:112
4192094992018,1cyclictest0-21swapper/219:55:152
4192094992018,1cyclictest0-21swapper/219:40:122
4192094992018,1cyclictest0-21swapper/219:33:322
4192094992017,1cyclictest0-21swapper/222:45:132
4192094992017,1cyclictest0-21swapper/221:35:112
4192094992017,1cyclictest0-21swapper/220:55:122
419209499201,1cyclictest0-21swapper/220:41:482
419209499200,1cyclictest0-21swapper/222:55:122
419209499200,1cyclictest0-21swapper/221:30:122
419209499200,1cyclictest0-21swapper/219:50:122
419209499200,1cyclictest0-21swapper/219:45:112
419209499200,19cyclictest64-21kcompactd019:13:062
419209499200,19cyclictest122140-21grep21:10:162
419209499200,19cyclictest122140-21grep21:10:152
4192091992016,2cyclictest86045-21apt-get20:35:121
4192091992015,3cyclictest127105-21grep21:15:181
4192091992013,5cyclictest147533-21sed21:35:151
419209199200,1cyclictest0-21swapper/121:34:291
419209199200,1cyclictest0-21swapper/121:11:221
419209199200,1cyclictest0-21swapper/121:11:221
419209199200,19cyclictest0-21swapper/120:47:111
419208899201,1cyclictest0-21swapper/000:33:310
419208899200,20cyclictest0-21swapper/019:10:130
419208899200,1cyclictest0-21swapper/022:48:420
419208899200,1cyclictest0-21swapper/022:20:120
419208899200,1cyclictest0-21swapper/022:19:400
419208899200,19cyclictest0-21swapper/019:55:150
419209899194,5cyclictest265760-21cat23:30:173
419209899193,6cyclictest217396-21netstat22:40:203
419209899193,4cyclictest142103-21df21:30:133
4192094991917,1cyclictest193251-21sed22:20:172
4192094991917,1cyclictest0-21swapper/222:15:132
4192094991915,2cyclictest275196-21gltestperf23:40:152
419209499190,18cyclictest0-21swapper/220:55:002
4192091991918,1cyclictest64-21kcompactd021:54:551
4192091991916,2cyclictest0-21swapper/119:45:101
4192088991917,1cyclictest0-21swapper/023:30:130
4192088991916,2cyclictest137367-21grep21:25:150
419209899183,5cyclictest0-21swapper/323:05:173
4192094991814,2cyclictest0-21swapper/200:10:182
4192091991814,3cyclictest0-21swapper/122:35:121
4192088991816,1cyclictest0-21swapper/023:15:130
4192088991816,1cyclictest0-21swapper/022:07:490
4192094991715,1cyclictest0-21swapper/223:15:122
4192091991713,2cyclictest0-21swapper/122:10:131
4192088991715,2cyclictest0-21swapper/021:55:130
4192088991715,1cyclictest239780-21ps23:05:160
4192088991715,1cyclictest0-21swapper/000:16:190
4192088991714,2cyclictest0-21swapper/020:20:130
4192088991713,3cyclictest61650irq/133-enp0s29f1:rx-023:25:190
419209899163,4cyclictest230481-21cat22:55:173
4192098991614,1cyclictest0-21swapper/319:35:123
4192094991614,1cyclictest0-21swapper/221:00:132
419209499160,7cyclictest131550-21munin-run21:20:002
4192091991614,1cyclictest0-21swapper/121:05:111
4192088991614,1cyclictest0-21swapper/000:20:120
4192088991613,2cyclictest61650irq/133-enp0s29f1:rx-021:11:430
4192088991613,2cyclictest61650irq/133-enp0s29f1:rx-021:11:430
4192088991611,3cyclictest171ktimers/020:45:130
419209899151,5cyclictest282745-21tr23:45:193
419209899151,5cyclictest282745-21tr23:45:183
4192094991511,3cyclictest321236-21fschecks_count00:25:142
4192091991513,1cyclictest0-21swapper/122:16:251
4192094991411,2cyclictest86112-21cpuspeed_turbos20:35:122
4192091991412,1cyclictest0-21swapper/119:40:111
419209199141,12cyclictest202623-21awk22:30:001
419209199140,14cyclictest0-21swapper/120:43:571
419209199136,4cyclictest321066-21https00:25:121
419208899131,11cyclictest274831-21apt-get23:40:110
419208899129,2cyclictest61650irq/133-enp0s29f1:rx-019:30:220
419209499119,1cyclictest0-21swapper/200:00:102
419209499115,4cyclictest187289-21sshd22:13:422
419209499110,10cyclictest4192132-21cat19:10:012
41920919981,5cyclictest4192090-21cat19:10:011
41920889985,2cyclictest17850irq/129-nvme0q119:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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