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2026-01-09 - 04:47
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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 Fri Jan 09, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4172257993330,2cyclictest157206-21irqcore22:05:161
4172257993226,4cyclictest166600-21cron22:15:001
4172257993026,2cyclictest261-21systemd-journal22:20:001
417226399290,27cyclictest261-21systemd-journal22:14:593
4172263992818,8cyclictest300409-21cron00:25:003
417226399281,25cyclictest0-21swapper/323:55:113
417226399281,25cyclictest0-21swapper/321:25:123
417226399281,25cyclictest0-21swapper/319:45:123
417226399272,23cyclictest197693-21apt-get22:45:133
417226399272,22cyclictest130842-21apt-get21:40:113
4172263992720,4cyclictest202723-21apt-get22:50:123
417226399271,2cyclictest59503-21apt-get20:30:123
417226399271,24cyclictest0-21swapper/323:50:113
417226399271,24cyclictest0-21swapper/321:30:123
417226399271,22cyclictest290594-21chrt00:15:133
417226399270,24cyclictest0-21swapper/319:15:133
4172257992724,2cyclictest275448-21irqcore00:00:161
417225799271,24cyclictest0-21swapper/119:15:131
417225399270,26cyclictest0-21swapper/020:41:260
417226399264,10cyclictest145970-21latency_hist21:55:013
4172263992618,7cyclictest225638-21kthreadcore23:10:163
417226399261,4cyclictest261-21systemd-journal21:25:003
417226399261,23cyclictest34279-21apt-get20:05:113
417226399261,22cyclictest254271-21apt-get23:40:123
417226399261,22cyclictest228485-21apt-get23:15:133
417226399261,22cyclictest150900-21cron22:00:003
417226399261,21cyclictest182062-21apt-get22:30:123
417226399260,25cyclictest0-21swapper/322:20:013
417226399260,22cyclictest0-21swapper/322:55:103
417226199261,21cyclictest300683-21apt-get00:25:122
417226199261,21cyclictest300683-21apt-get00:25:112
417225799262,21cyclictest4192754-21apt-get19:30:101
417225799260,24cyclictest0-21swapper/122:55:101
417225399261,21cyclictest135936-21apt-get21:45:120
417226399252,2cyclictest39286-21apt-get20:10:113
4172263992515,9cyclictest243823-21awk23:30:003
4172263992515,8cyclictest0-21swapper/323:25:003
417226399251,2cyclictest196086-21ntpq22:40:183
417226399251,21cyclictest0-21swapper/323:05:123
417226399251,21cyclictest0-21swapper/319:30:103
417226399250,5cyclictest28129-21smartctl19:55:203
417226399250,3cyclictest94912-21chrt21:05:113
417226399250,24cyclictest0-21swapper/322:35:323
417226199252,20cyclictest24126-21apt-get19:55:112
4172261992520,3cyclictest94909-21apt-get21:05:122
4172261992520,3cyclictest64555-21apt-get20:35:112
417226199251,20cyclictest4187704-21apt-get19:25:112
4172257992522,2cyclictest155572-21ntpq22:00:211
417225799252,21cyclictest129683-21ntpq21:35:211
4172257992521,2cyclictest300429-21grep00:25:001
417225799251,3cyclictest39033-21cut20:10:001
417225799251,21cyclictest0-21swapper/122:45:131
417225799251,20cyclictest0-21swapper/123:55:111
4172253992519,4cyclictest300405-21cron00:25:000
417225399251,22cyclictest290591-21apt-get00:15:130
4172263992420,2cyclictest156716-21apt-get22:05:113
417226399241,2cyclictest1-21systemd00:10:003
417226399241,20cyclictest0-21swapper/322:20:123
417226399240,23cyclictest0-21swapper/320:35:203
417226399240,22cyclictest248899-21sh23:35:003
417226399240,22cyclictest130592-21idleruntime-cro21:40:003
4172261992420,2cyclictest4182649-21apt-get19:20:102
4172261992420,2cyclictest274958-21apt-get00:00:122
4172261992420,2cyclictest0-21swapper/223:05:162
417226199241,20cyclictest4172471-21apt-get19:10:102
417226199241,20cyclictest238996-21apt-get23:25:132
417226199241,20cyclictest187129-21apt-get22:35:112
417226199241,19cyclictest0-21swapper/220:10:102
417226199240,22cyclictest130570-21cron21:40:002
417225799242,19cyclictest0-21swapper/119:45:121
4172257992421,1cyclictest120684-21apt-get21:30:121
417225799241,21cyclictest0-21swapper/122:35:321
417225799240,21cyclictest0-21swapper/121:25:111
417225399241,3cyclictest63371-21ntpq20:30:220
417225399241,22cyclictest166876-21apt-get22:15:120
417225399241,20cyclictest0-21swapper/021:25:110
4172263992319,3cyclictest0-21swapper/322:04:543
4172263992318,2cyclictest74683-21apt-get20:45:133
417226399231,2cyclictest0-21swapper/319:25:113
417226399231,2cyclictest0-21swapper/300:00:113
417226399231,21cyclictest0-21swapper/300:30:213
417226399230,11cyclictest44814-21cat20:15:163
417226399230,10cyclictest262657-21grep23:45:173
417226199232,10cyclictest8640-21idleruntime-cro19:40:012
417226199231,20cyclictest84793-21apt-get20:55:112
417226199230,20cyclictest0-21swapper/222:30:122
417226199230,20cyclictest0-21swapper/222:10:112
417226199230,20cyclictest0-21swapper/219:50:122
417225799232,19cyclictest311ktimers/119:50:171
4172257992320,2cyclictest186852-21cron22:35:001
4172257992319,3cyclictest0-21swapper/120:35:201
417225799231,19cyclictest0-21swapper/123:50:111
417225799230,4cyclictest70072-21grep20:40:161
417225799230,3cyclictest115314-21cron21:25:001
417225799230,20cyclictest0-21swapper/123:40:121
417225799230,20cyclictest0-21swapper/123:15:131
417225399230,19cyclictest259325-21apt-get23:45:110
4172263992219,2cyclictest0-21swapper/321:10:033
4172263992219,2cyclictest0-21swapper/321:10:023
4172263992214,7cyclictest94639-21idleruntime-cro21:05:003
4172263992214,7cyclictest58807-21unixbench_singl20:25:233
417226399221,10cyclictest249430-21fschecks_time23:35:143
417226399220,3cyclictest19512-21ps19:50:173
417226399220,2cyclictest0-21swapper/321:45:123
4172261992218,2cyclictest0-21swapper/223:35:122
417226199220,2cyclictest284813-21cron00:10:002
417226199220,2cyclictest135669-21idleruntime-cro21:44:592
417226199220,21cyclictest285519-21runrttasks00:10:122
417226199220,20cyclictest0-21swapper/221:50:132
417225799224,6cyclictest304736-21processes00:25:231
417225799224,6cyclictest304736-21processes00:25:231
417225799223,7cyclictest93732-21gcc21:00:191
4172257992220,1cyclictest0-21swapper/120:20:121
4172257992219,1cyclictest0-21swapper/122:50:121
4172257992219,1cyclictest0-21swapper/100:15:121
4172257992217,3cyclictest264103-21cron23:50:011
417225799221,2cyclictest140982-21apt-get21:50:121
417225799221,20cyclictest217196-21ntpq23:00:201
417225799221,1cyclictest0-21swapper/122:40:191
417225799220,1cyclictest0-21swapper/119:20:111
417225799220,19cyclictest0-21swapper/123:30:111
417225799220,19cyclictest0-21swapper/119:35:121
417225799220,19cyclictest0-21swapper/119:25:111
4172253992219,2cyclictest39286-21apt-get20:10:100
4172253992219,2cyclictest249174-21apt-get23:35:120
4172253992219,2cyclictest0-21swapper/000:30:120
4172253992218,3cyclictest274958-21apt-get00:00:110
417225399221,20cyclictest244073-21apt-get23:30:110
417225399221,1cyclictest254271-21apt-get23:40:110
417225399221,1cyclictest13950-21apt-get19:45:110
417225399220,21cyclictest211rcuc/020:55:000
417225399220,21cyclictest134846-21ntpq21:40:200
417225399220,20cyclictest264802-21apt-get23:50:110
4172263992119,1cyclictest0-21swapper/320:20:223
4172263992116,4cyclictest0-21swapper/322:29:593
417226399210,2cyclictest0-21swapper/319:35:113
417226399210,2cyclictest0-21swapper/319:20:103
417226399210,10cyclictest4173994-21cat19:10:153
4172261992119,1cyclictest115592-21apt-get21:25:112
4172261992119,1cyclictest0-21swapper/221:10:202
4172261992119,1cyclictest0-21swapper/221:10:202
417226199211,1cyclictest0-21swapper/220:25:102
417226199210,2cyclictest0-21swapper/220:40:112
417226199210,20cyclictest0-21swapper/223:50:212
417226199210,18cyclictest0-21swapper/223:45:112
417225799214,5cyclictest27096-21kthreadcore19:55:161
4172257992118,1cyclictest59503-21apt-get20:30:101
4172257992117,2cyclictest0-21swapper/121:40:091
417225799211,1cyclictest99764-21apt-config21:10:001
417225799210,2cyclictest0-21swapper/120:10:111
417225799210,20cyclictest150904-21cron22:00:001
417225799210,1cyclictest0-21swapper/121:45:121
417225799210,1cyclictest0-21swapper/120:45:121
417225799210,19cyclictest0-21swapper/122:20:121
4172253992118,2cyclictest0-21swapper/021:05:120
4172253992117,2cyclictest0-21swapper/020:05:120
4172253992116,3cyclictest269833-21apt-get23:55:110
417225399211,1cyclictest4177572-21apt-get19:15:120
417225399211,1cyclictest1-21systemd23:00:000
417225399211,1cyclictest0-21swapper/021:23:290
417225399210,20cyclictest64-21kcompactd023:01:530
417225399210,20cyclictest125776-21apt-get21:35:120
417225399210,20cyclictest0-21swapper/022:30:120
417225399210,20cyclictest0-21swapper/022:00:110
417225399210,20cyclictest0-21swapper/000:25:110
417225399210,20cyclictest0-21swapper/000:25:110
417225399210,1cyclictest105475-21apt-get21:15:110
4172263992017,2cyclictest74067-21gdbus20:41:263
4172263992015,3cyclictest105957-21ps21:15:153
4172263992010,9cyclictest215489-21kthreadcore23:00:163
4172261992018,1cyclictest64-21kcompactd022:19:572
4172261992018,1cyclictest0-21swapper/221:55:112
4172261992018,1cyclictest0-21swapper/220:50:112
4172261992017,1cyclictest0-21swapper/222:45:122
417226199200,1cyclictest64-21kcompactd023:25:002
417226199200,1cyclictest0-21swapper/222:50:122
417226199200,1cyclictest0-21swapper/221:30:122
417226199200,1cyclictest0-21swapper/220:45:132
417226199200,1cyclictest0-21swapper/220:15:132
417226199200,1cyclictest0-21swapper/219:30:112
417226199200,1cyclictest0-21swapper/200:35:102
417226199200,19cyclictest261-21systemd-journal22:41:312
417226199200,19cyclictest0-21swapper/221:25:002
417226199200,18cyclictest0-21swapper/223:55:122
4172257992018,1cyclictest0-21swapper/123:20:101
4172257992018,1cyclictest0-21swapper/121:19:431
4172257992016,2cyclictest0-21swapper/123:10:001
417225799200,1cyclictest0-21swapper/100:10:001
417225799200,0cyclictest0-21swapper/123:10:111
4172253992018,1cyclictest64-21kcompactd020:56:100
4172253992018,1cyclictest0-21swapper/021:58:260
4172253992018,1cyclictest0-21swapper/021:30:120
4172253992018,1cyclictest0-21swapper/021:00:110
4172253992018,1cyclictest0-21swapper/020:00:090
4172253992017,2cyclictest0-21swapper/019:55:110
4172253992015,4cyclictest261-21systemd-journal20:19:590
417225399200,1cyclictest0-21swapper/022:35:190
417225399200,1cyclictest0-21swapper/020:35:110
417225399200,19cyclictest74683-21apt-get20:45:110
417225399200,19cyclictest0-21swapper/023:20:010
4172263991916,2cyclictest0-21swapper/300:10:123
4172263991914,2cyclictest29692-21sort20:00:143
4172263991912,6cyclictest84911-21cpuspeed_turbos20:55:113
4172261991917,1cyclictest0-21swapper/221:45:122
4172261991917,1cyclictest0-21swapper/219:15:132
4172261991916,2cyclictest151601-21apt-get22:00:112
4172261991915,2cyclictest9386-21cut19:40:142
417225799193,5cyclictest243004-21nvmesmart_nvme023:25:221
417225799192,7cyclictest56674-21kthreadcore20:25:161
4172257991916,2cyclictest0-21swapper/121:10:031
4172257991916,2cyclictest0-21swapper/121:10:021
4172257991916,1cyclictest0-21swapper/100:35:111
417225799190,1cyclictest0-21swapper/120:55:111
4172253991917,1cyclictest171947-21apt-get22:20:120
4172253991917,1cyclictest0-21swapper/023:25:120
4172253991917,1cyclictest0-21swapper/023:11:010
4172253991917,1cyclictest0-21swapper/000:35:210
4172253991916,2cyclictest0-21swapper/020:25:110
4172253991916,2cyclictest0-21swapper/019:25:110
4172253991916,1cyclictest233927-21apt-get23:20:020
417225399190,18cyclictest0-21swapper/019:20:110
417226399182,13cyclictest79728-21apt-get20:50:123
4172261991817,0cyclictest0-21swapper/223:10:152
4172261991816,1cyclictest0-21swapper/219:45:122
4172261991813,3cyclictest244554-21irqcore23:30:152
417226199180,1cyclictest54211-21munin-run20:25:002
417226199180,17cyclictest0-21swapper/222:10:012
417225799183,5cyclictest45150-21irqcore20:15:171
417225799182,5cyclictest251173-21cut23:35:171
4172253991816,1cyclictest49420-21apt-get20:20:110
4172253991816,1cyclictest0-21swapper/023:05:120
4172253991816,1cyclictest0-21swapper/019:30:100
4172263991713,2cyclictest0-21swapper/319:40:103
4172261991716,0cyclictest0-21swapper/222:25:112
4172261991715,1cyclictest0-21swapper/223:15:132
4172261991715,1cyclictest0-21swapper/200:30:122
4172261991714,2cyclictest90188-21gltestperf21:00:142
417225799173,5cyclictest289519-21grep00:10:231
417225799170,16cyclictest0-21swapper/100:33:501
4172253991714,1cyclictest0-21swapper/022:10:120
417225399170,1cyclictest0-21swapper/019:10:140
4172263991610,5cyclictest305504-21turbostat00:30:013
4172263991610,5cyclictest305504-21turbostat00:30:003
4172261991614,1cyclictest0-21swapper/220:00:102
4172257991614,2cyclictest62550irq/136-enp0s29f1:tx-119:40:151
4172257991613,1cyclictest0-21swapper/119:10:111
4172253991613,2cyclictest61650irq/133-enp0s29f1:rx-022:45:180
4172253991613,2cyclictest61650irq/133-enp0s29f1:rx-019:40:160
4172253991613,2cyclictest61650irq/133-enp0s29f1:rx-000:10:130
4172257991511,3cyclictest29685-21ps20:00:141
4172253991513,1cyclictest19527-21grep19:50:170
4172253991511,3cyclictest61650irq/133-enp0s29f1:rx-022:50:120
417225399150,9cyclictest0-21swapper/022:25:230
4172261991413,1cyclictest0-21swapper/200:15:142
4172261991412,1cyclictest0-21swapper/221:15:112
4172261991411,2cyclictest172441-21irqcore22:20:162
4172253991412,2cyclictest61650irq/133-enp0s29f1:rx-022:09:120
4172253991412,2cyclictest61650irq/133-enp0s29f1:rx-021:10:330
4172253991412,2cyclictest61650irq/133-enp0s29f1:rx-021:10:320
4172253991411,2cyclictest61650irq/133-enp0s29f1:rx-019:35:130
4172253991410,3cyclictest61650irq/133-enp0s29f1:rx-021:50:120
4172253991410,3cyclictest61650irq/133-enp0s29f1:rx-000:05:110
417226399130,11cyclictest4172183-21latency_hist19:10:003
4172261991311,1cyclictest0-21swapper/220:30:122
417225799139,2cyclictest79728-21apt-get20:50:121
417225799132,3cyclictest0-21swapper/122:26:191
417226199128,2cyclictest0-21swapper/223:00:002
417226199120,4cyclictest39122-21cat20:10:002
417225799125,5cyclictest4172426-21taskset19:10:011
4172253991211,1cyclictest0-21swapper/022:40:190
417226199118,2cyclictest401ktimers/223:03:392
4172261991110,1cyclictest0-21swapper/200:20:222
41722539991,2cyclictest191rcu_preempt19:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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