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2026-08-25 - 12:13
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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 Tue Aug 25, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
662258993022,6cyclictest877142-21turbostat22:40:002
66225899301,21cyclictest835302-21ntpq21:55:232
66225899300,20cyclictest0-21swapper/221:40:002
66225899291,21cyclictest667568-21apt-get19:15:132
662258992820,7cyclictest987204-21cron00:40:002
662258992819,7cyclictest0-21swapper/221:45:002
66225899280,21cyclictest790091-21unin-run21:15:002
66225899272,21cyclictest662476-21apt-get19:10:112
66225899271,1cyclictest0-21swapper/222:20:212
66225899270,2cyclictest0-21swapper/219:35:212
66225899270,1cyclictest0-21swapper/220:30:132
66226199261,21cyclictest924398-21apt-get23:25:123
66226199261,21cyclictest903247-21apt-get23:05:133
66225899262,21cyclictest728958-21apt-get20:15:132
66225899261,23cyclictest0-21swapper/220:05:132
66225899260,20cyclictest0-21swapper/200:10:132
662254992621,3cyclictest851591-21apt-get22:15:121
662261992521,2cyclictest967131-21apt-get00:20:083
662261992520,3cyclictest713494-21cron20:00:003
66226199251,21cyclictest754749-21apt-get20:40:133
66226199250,22cyclictest806964-21sed21:30:183
662258992515,9cyclictest509-21systemd-logind20:25:012
662261992419,4cyclictest728958-21apt-get20:15:133
66226199241,3cyclictest946035-21apt-get23:55:083
66226199241,3cyclictest0-21swapper/321:19:593
66226199241,2cyclictest867223-21apt-get22:30:133
66226199241,2cyclictest856685-21apt-get22:20:133
66226199241,20cyclictest898157-21apt-get23:00:133
66226199240,4cyclictest723608-21cron20:10:013
66226199240,23cyclictest862443-21runrttasks22:25:143
66226199240,22cyclictest1-21systemd00:05:003
66226199240,21cyclictest972684-21grep00:25:183
662258992419,4cyclictest678294-21grep19:25:202
662258992415,8cyclictest1-21systemd22:30:012
66225899241,20cyclictest956274-21apt-get00:05:142
66225899241,20cyclictest0-21swapper/221:25:102
66225899241,20cyclictest0-21swapper/221:15:142
66225899241,19cyclictest0-21swapper/220:55:122
662258992411,11cyclictest977431-21cpuspeed_turbos00:30:132
662258992411,11cyclictest977431-21cpuspeed_turbos00:30:132
66225899240,23cyclictest0-21swapper/223:37:252
66225899240,23cyclictest0-21swapper/223:11:372
66225899240,22cyclictest0-21swapper/223:25:122
662254992420,3cyclictest672710-21apt-get19:20:121
662254992418,4cyclictest908042-21sh23:10:011
662254992417,6cyclictest800646-21cron21:24:591
66225499241,3cyclictest779889-21cron21:04:591
66225499240,23cyclictest0-21swapper/123:00:011
66225499240,22cyclictest913296-21apt-config23:15:011
662252992419,4cyclictest688068-21awk19:35:000
66225299241,3cyclictest775096-21apt-get21:00:120
66225299241,21cyclictest951152-21apt-get00:00:100
66225299241,21cyclictest836389-21apt-get22:00:130
66225299241,21cyclictest836389-21apt-get22:00:120
662261992319,2cyclictest987201-21cron00:40:003
662261992319,2cyclictest0-21swapper/319:10:123
66226199231,2cyclictest0-21swapper/321:20:133
66226199231,21cyclictest0-21swapper/323:10:133
66226199230,3cyclictest734998-21ps20:20:183
66226199230,3cyclictest708326-21taskset19:53:473
66226199230,20cyclictest0-21swapper/322:05:133
662258992318,5cyclictest64-21kcompactd020:29:482
66225899231,2cyclictest913810-21apt-get23:15:132
66225899230,20cyclictest0-21swapper/219:45:122
66225899230,20cyclictest0-21swapper/219:20:132
66225499234,10cyclictest672430-21idleruntime-cro19:20:001
662254992320,2cyclictest739119-21apt-get20:25:141
66225499231,2cyclictest923215-21ntpq23:20:201
66225499231,2cyclictest831297-21apt-get21:55:131
66225499231,21cyclictest0-21swapper/122:10:111
66225499230,21cyclictest754752-21seq20:40:121
662252992320,2cyclictest821196-21apt-get21:45:150
662252992319,2cyclictest841482-21apt-get22:05:140
66225299231,2cyclictest703617-21apt-get19:50:120
66225299231,21cyclictest727834-21ntpq20:10:230
66225299231,20cyclictest939664-21apt-get23:40:130
66225299231,20cyclictest846546-21apt-get22:10:110
66225299231,20cyclictest806015-21apt-get21:30:140
66225299230,3cyclictest500-21dbus-daemon21:20:000
66225299230,22cyclictest929209-21cron23:30:000
66225299230,20cyclictest0-21swapper/021:50:100
662261992219,2cyclictest0-21swapper/320:00:123
662261992218,2cyclictest764909-21apt-get20:50:133
662261992218,2cyclictest0-21swapper/322:55:123
66226199221,20cyclictest0-21swapper/320:30:133
66226199221,19cyclictest0-21swapper/320:45:123
66226199220,2cyclictest836891-21cut22:00:183
66226199220,2cyclictest836891-21cut22:00:173
66226199220,2cyclictest0-21swapper/321:55:133
66226199220,2cyclictest0-21swapper/300:30:123
66226199220,2cyclictest0-21swapper/300:30:123
66226199220,20cyclictest945784-21turbostat23:55:003
66226199220,20cyclictest0-21swapper/321:25:103
662258992219,2cyclictest0-21swapper/200:20:082
66225899220,3cyclictest867226-21seq22:30:122
66225899220,3cyclictest1-21systemd23:00:012
66225899220,2cyclictest0-21swapper/223:05:132
66225899220,20cyclictest0-21swapper/219:50:122
66225899220,19cyclictest0-21swapper/222:05:142
66225899220,19cyclictest0-21swapper/221:05:122
662254992219,2cyclictest882220-21cron22:45:001
662254992219,2cyclictest516-21rs:main1
662254992219,1cyclictest0-21swapper/121:40:131
662254992219,1cyclictest0-21swapper/119:45:111
66225499220,2cyclictest902972-21cron23:05:001
66225499220,2cyclictest810800-21cron21:34:591
66225499220,19cyclictest0-21swapper/121:05:111
662252992219,2cyclictest864374-21ps22:25:180
662252992219,2cyclictest749426-21idleruntime-cro20:35:000
662252992219,2cyclictest698503-21apt-get19:45:110
662252992218,2cyclictest800917-21apt-get21:25:100
662252992218,2cyclictest759817-21apt-get20:45:120
66225299221,20cyclictest0-21swapper/020:25:130
66225299221,19cyclictest929490-21apt-get23:30:110
66225299220,2cyclictest973132-21ps00:25:180
66225299220,2cyclictest961387-21apt-get00:10:130
66225299220,20cyclictest913164-21dpkg23:15:010
66225299220,20cyclictest872814-21grep22:35:150
662261992119,1cyclictest0-21swapper/321:45:143
662261992119,1cyclictest0-21swapper/320:10:123
662261992119,1cyclictest0-21swapper/319:25:133
662261992119,1cyclictest0-21swapper/300:10:133
662261992118,2cyclictest0-21swapper/322:40:113
662261992117,2cyclictest826226-21apt-get21:50:113
662261992117,2cyclictest0-21swapper/321:10:123
66226199210,2cyclictest64-21kcompactd023:19:083
66226199210,2cyclictest0-21swapper/322:15:233
66226199210,2cyclictest0-21swapper/300:05:143
66226199210,20cyclictest876244-21ntpq22:35:203
66226199210,20cyclictest64-21kcompactd022:12:283
662258992119,1cyclictest0-21swapper/219:40:232
662258992118,2cyclictest712645-21ntpq19:55:222
662258992118,2cyclictest0-21swapper/222:50:112
662258992116,3cyclictest931725-21kthreadcore23:30:172
662258992116,3cyclictest0-21swapper/221:45:142
66225899211,2cyclictest2875-21cron21:55:002
66225899211,1cyclictest0-21swapper/200:25:132
66225899211,19cyclictest0-21swapper/221:20:202
66225899210,1cyclictest0-21swapper/223:40:132
662254992119,1cyclictest64-21kcompactd023:28:491
662254992119,1cyclictest0-21swapper/120:55:121
662254992118,2cyclictest861718-21date22:25:011
662254992118,2cyclictest0-21swapper/121:50:101
662254992118,1cyclictest734050-21apt-get20:20:121
66225499211,1cyclictest0-21swapper/119:30:101
66225499211,19cyclictest64-21kcompactd019:51:051
66225499210,20cyclictest961387-21apt-get00:10:131
66225499210,20cyclictest0-21swapper/122:35:111
66225499210,20cyclictest0-21swapper/122:30:111
66225499210,20cyclictest0-21swapper/121:35:151
662252992119,1cyclictest0-21swapper/022:15:120
662252992119,1cyclictest0-21swapper/019:15:120
662252992118,2cyclictest900389-21ps23:00:180
662252992118,2cyclictest713523-21awk20:00:010
662252992116,3cyclictest662960-21ps19:10:160
66225299211,1cyclictest977315-21apt-get00:30:130
66225299211,1cyclictest977315-21apt-get00:30:130
66225299211,19cyclictest0-21swapper/019:40:000
66225299210,20cyclictest919304-21apt-get23:20:110
66225299210,20cyclictest918598-21cron23:20:000
66225299210,20cyclictest695645-21ps19:40:190
66225299210,20cyclictest0-21swapper/022:55:130
66225299210,20cyclictest0-21swapper/021:41:180
66225299210,20cyclictest0-21swapper/021:36:590
66225299210,20cyclictest0-21swapper/020:20:120
66225299210,19cyclictest0-21swapper/020:00:120
662261992018,1cyclictest0-21swapper/321:05:123
662261992017,1cyclictest0-21swapper/323:40:143
66226199200,20cyclictest0-21swapper/319:30:073
66226199200,1cyclictest0-21swapper/323:20:123
66226199200,1cyclictest0-21swapper/322:50:123
66226199200,1cyclictest0-21swapper/320:29:153
66226199200,1cyclictest0-21swapper/319:19:543
662258992018,1cyclictest64-21kcompactd021:03:392
662258992018,1cyclictest0-21swapper/223:20:122
662258992018,1cyclictest0-21swapper/220:42:422
662258992017,2cyclictest0-21swapper/220:10:132
662258992016,3cyclictest899109-21kthreadcore23:00:182
66225899200,1cyclictest0-21swapper/222:44:082
662254992019,1cyclictest0-21swapper/123:55:121
662254992016,2cyclictest697417-21ntpq19:40:241
66225499200,1cyclictest0-21swapper/122:05:141
66225499200,1cyclictest0-21swapper/100:35:101
66225499200,1cyclictest0-21swapper/100:27:431
66225499200,19cyclictest745114-21irqcore20:30:171
66225499200,19cyclictest64-21kcompactd023:49:141
66225499200,19cyclictest0-21swapper/122:25:121
66225499200,19cyclictest0-21swapper/120:50:121
66225499200,19cyclictest0-21swapper/119:26:541
662252992018,1cyclictest0-21swapper/022:20:130
662252992017,2cyclictest967630-21grep00:20:130
66225299200,1cyclictest64-21kcompactd000:15:030
66225299200,1cyclictest0-21swapper/019:25:140
66225299200,19cyclictest0-21swapper/021:20:120
662261991917,1cyclictest64-21kcompactd023:45:293
662261991917,1cyclictest0-21swapper/320:58:183
662261991915,2cyclictest816126-21apt-get21:40:133
66225899198,3cyclictest764632-21ls20:50:002
662258991918,0cyclictest0-21swapper/222:15:122
662258991915,3cyclictest887311-21cron22:50:012
662258991914,4cyclictest851308-21cron22:14:592
662254991917,1cyclictest0-21swapper/122:00:131
662254991917,1cyclictest0-21swapper/122:00:121
662254991917,1cyclictest0-21swapper/120:35:421
662254991917,1cyclictest0-21swapper/119:35:121
662254991916,2cyclictest708712-21taskset19:55:131
662254991915,2cyclictest982094-21sh00:35:001
662254991915,2cyclictest982094-21sh00:35:001
662252991917,1cyclictest0-21swapper/000:35:110
662252991917,1cyclictest0-21swapper/000:05:140
66225299190,1cyclictest0-21swapper/021:55:130
66225299190,1cyclictest0-21swapper/020:05:130
66225299190,18cyclictest729446-21grep20:15:170
662261991815,2cyclictest0-21swapper/319:35:133
66225899188,8cyclictest753598-21ntpq20:35:222
662258991816,1cyclictest0-21swapper/222:00:142
662258991816,1cyclictest0-21swapper/222:00:132
662258991815,2cyclictest718565-21idleruntime-cro20:05:002
662258991815,1cyclictest0-21swapper/223:55:082
662254991816,1cyclictest0-21swapper/120:45:121
662254991816,1cyclictest0-21swapper/119:10:111
662254991815,2cyclictest0-21swapper/123:15:021
662252991815,2cyclictest676612-21ntpq19:20:200
662252991814,3cyclictest877603-21fschecks_count22:40:140
662252991814,2cyclictest888090-21grep22:50:150
662252991813,3cyclictest61650irq/133-enp0s29f1:rx-021:10:000
662261991716,1cyclictest0-21swapper/320:37:203
662261991714,1cyclictest0-21swapper/322:45:123
662261991713,2cyclictest698230-21cron19:45:003
662261991713,2cyclictest0-21swapper/319:25:013
66226199170,17cyclictest0-21swapper/323:30:163
66225899177,3cyclictest688071-21latency_hist19:35:002
662258991715,1cyclictest0-21swapper/220:50:132
66225499175,1cyclictest9303061irqcore23:30:151
662254991715,1cyclictest732917-21ntpq20:15:221
662254991715,1cyclictest0-21swapper/121:15:151
662254991715,1cyclictest0-21swapper/121:10:121
662254991715,1cyclictest0-21swapper/120:00:121
662252991714,2cyclictest950881-21cron00:00:000
662252991713,3cyclictest61650irq/133-enp0s29f1:rx-020:35:120
662258991612,3cyclictest0-21swapper/200:00:102
66225899160,14cyclictest966859-21cron00:20:002
662254991614,1cyclictest0-21swapper/123:40:221
662254991613,1cyclictest887592-21apt-get22:50:111
662252991614,2cyclictest64-21kcompactd020:56:090
662252991614,1cyclictest0-21swapper/020:40:130
662252991613,2cyclictest61650irq/133-enp0s29f1:rx-020:54:140
662261991515,0cyclictest0-21swapper/319:45:123
662254991513,1cyclictest0-21swapper/122:45:111
662254991513,1cyclictest0-21swapper/121:45:241
662252991513,1cyclictest0-21swapper/022:46:520
662252991512,2cyclictest61650irq/133-enp0s29f1:rx-023:53:380
662261991411,2cyclictest0-21swapper/321:35:133
66225499148,5cyclictest804836-21ntpq21:25:181
66225499146,7cyclictest719021-21uniq20:05:141
662254991412,1cyclictest0-21swapper/100:23:391
662254991412,1cyclictest0-21swapper/100:16:071
662254991410,2cyclictest960135-21tr00:05:221
66225299148,4cyclictest934588-21apt-get23:35:230
662252991411,2cyclictest61650irq/133-enp0s29f1:rx-022:30:110
662252991411,2cyclictest61650irq/133-enp0s29f1:rx-021:10:210
662261991311,1cyclictest0-21swapper/300:18:493
662261991310,2cyclictest0-21swapper/323:35:233
66225899138,3cyclictest3777322-21systemd-journal23:54:382
66225899135,1cyclictest0-21swapper/223:46:062
66225499137,4cyclictest728681-21awk20:15:011
66225299129,2cyclictest908058-21turbostat23:10:010
66226199100,2cyclictest662184-21latency_hist19:10:013
66225499100,2cyclictest191rcu_preempt23:55:001
66225299100,8cyclictest945125-21latency_hist23:50:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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