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2026-09-20 - 07:07
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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 Sun Sep 20, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
752842992824,3cyclictest516-21rs:main2
75284599271,23cyclictest917642-21apt-get21:50:133
75283899271,24cyclictest907232-21cron21:40:001
75284599261,23cyclictest967817-21/usr/sbin/munin22:35:243
75284599261,23cyclictest967817-21/usr/sbin/munin22:35:243
75284299261,17cyclictest979145-21awk22:50:002
75284599252,3cyclictest814316-21apt-get20:10:123
75284599251,20cyclictest850764-21apt-get20:45:123
75284299251,21cyclictest1066490-21apt-get00:15:142
752838992520,3cyclictest954071-21irqcore22:25:161
75283899251,4cyclictest3777322-21systemd-journal19:55:001
75283899251,3cyclictest994986-21apt-get23:05:131
75283899250,21cyclictest0-21swapper/121:20:151
75283599252,3cyclictest907503-21apt-get21:40:130
75283599252,2cyclictest891822-21apt-get21:25:140
75283599251,3cyclictest963699-21apt-get22:35:130
75283599251,3cyclictest963699-21apt-get22:35:120
75283599251,22cyclictest870726-21apt21:05:000
75284599243,20cyclictest0-21swapper/321:55:183
75284599242,2cyclictest819386-21apt-get20:15:123
752845992420,2cyclictest968791-21apt-get22:40:123
752845992420,2cyclictest794105-21apt-get19:50:113
752845992420,2cyclictest1081766-21apt-get00:30:133
752845992420,2cyclictest1066490-21apt-get00:15:143
752845992419,2cyclictest0-21swapper/323:55:133
75284599240,21cyclictest1010221-21apt-get23:20:143
752842992421,2cyclictest0-21swapper/200:29:572
752842992420,2cyclictest1015265-21apt-get23:25:122
75284299241,20cyclictest0-21swapper/220:55:132
752838992419,3cyclictest1035726-21cron23:45:011
75283899241,2cyclictest1000079-21apt-get23:10:141
75283899241,21cyclictest1020035-21cron23:30:011
75283899241,21cyclictest0-21swapper/122:40:121
752835992420,3cyclictest880965-21unin-run21:15:010
752835992420,2cyclictest789040-21apt-get19:45:140
752835992420,2cyclictest758121-21apt-get19:15:120
752835992419,3cyclictest1015265-21apt-get23:25:120
75283599241,21cyclictest773825-21apt-get19:30:120
75283599241,21cyclictest1051258-21apt-get00:00:120
75283599241,20cyclictest0-21swapper/021:50:120
75283599240,4cyclictest938838-21tr22:10:200
752845992319,3cyclictest953324-21latency_hist22:25:003
752845992319,3cyclictest509-21systemd-logind20:35:003
752845992319,2cyclictest994489-21wc23:05:013
752845992319,2cyclictest0-21swapper/300:05:133
752845992318,3cyclictest850485-21cron20:45:003
752845992318,3cyclictest0-21swapper/319:15:003
752845992317,4cyclictest829259-21basename20:25:013
75284599231,20cyclictest0-21swapper/322:55:123
75284599231,20cyclictest0-21swapper/322:05:143
75284599231,20cyclictest0-21swapper/300:20:123
75284599230,20cyclictest0-21swapper/322:10:163
75284599230,20cyclictest0-21swapper/320:55:133
75284599230,20cyclictest0-21swapper/320:25:093
75284599230,20cyclictest0-21swapper/320:00:133
752842992317,4cyclictest876095-21taskset21:10:132
75284299231,20cyclictest922422-21apt-get21:55:002
75284299231,20cyclictest1010724-21cut23:20:182
752838992318,3cyclictest0-21swapper/122:50:141
75283899231,2cyclictest799153-21apt-get19:55:151
75283899231,2cyclictest1020312-21apt-get23:30:121
75283899231,21cyclictest753534-21ps19:10:171
75283899231,21cyclictest0-21swapper/123:00:131
75283899230,3cyclictest768039-21cron19:24:591
75283899230,22cyclictest963424-21idleruntime-cro22:34:591
75283899230,21cyclictest984446-21apt-get22:55:141
75283899230,21cyclictest0-21swapper/120:05:151
75283899230,21cyclictest0-21swapper/120:05:141
75283899230,20cyclictest64-21kcompactd000:35:121
75283599232,20cyclictest928180-21apt-get22:00:100
752835992318,2cyclictest1071559-21apt-get00:20:120
75283599231,2cyclictest783965-21apt-get19:40:130
75283599231,2cyclictest753050-21apt-get19:10:120
75283599231,2cyclictest0-21swapper/020:05:140
75283599231,2cyclictest0-21swapper/020:05:140
75283599231,21cyclictest1076630-21apt-get00:25:140
75283599230,22cyclictest973669-21apt-key22:45:010
75283599230,22cyclictest856314-21irqcore20:50:150
75283599230,21cyclictest998947-21ntpq23:05:220
75283599230,21cyclictest840562-21apt-get20:35:120
75283599230,20cyclictest0-21swapper/020:55:130
752845992219,2cyclictest984178-21awk22:55:003
752845992219,2cyclictest953582-21apt-get22:25:123
752845992219,2cyclictest0-21swapper/300:10:133
752845992219,1cyclictest0-21swapper/300:00:143
752845992218,2cyclictest928414-21fschecks_time22:00:123
752845992218,2cyclictest902431-21apt-get21:35:143
752845992218,2cyclictest896915-21apt-get21:30:143
752845992217,3cyclictest871485-21grep21:05:173
75284599220,2cyclictest912299-21ls21:44:593
75284599220,2cyclictest880948-21gpgv21:15:003
75284599220,20cyclictest0-21swapper/323:50:033
75284599220,20cyclictest0-21swapper/322:45:133
75284599220,20cyclictest0-21swapper/319:20:123
75284599220,19cyclictest0-21swapper/319:55:073
752842992218,2cyclictest912572-21apt-get21:45:112
75284299221,2cyclictest3871586-21snmpd23:00:242
75284299220,2cyclictest886730-21apt-get21:20:152
75284299220,21cyclictest927944-21unin-run22:00:002
75284299220,19cyclictest0-21swapper/222:00:102
75284299220,19cyclictest0-21swapper/219:15:132
752838992219,2cyclictest0-21swapper/100:15:131
752838992219,1cyclictest0-21swapper/123:15:121
752838992217,3cyclictest768802-21cut19:25:191
752838992217,3cyclictest0-21swapper/121:34:591
75283899221,2cyclictest835023-21apt-get20:30:131
75283899221,20cyclictest927236-21sshd21:55:251
75283899221,20cyclictest1025782-21apt-get23:35:111
75283899221,20cyclictest0-21swapper/120:15:121
75283899221,1cyclictest0-21swapper/123:56:301
75283899221,1cyclictest0-21swapper/122:05:131
75283899221,1cyclictest0-21swapper/121:45:111
75283899220,2cyclictest948236-21cron22:19:591
75283899220,2cyclictest0-21swapper/121:40:131
75283599227,2cyclictest0-21swapper/020:25:000
752835992219,2cyclictest835023-21apt-get20:30:120
752835992219,2cyclictest0-21swapper/023:10:140
752835992219,2cyclictest0-21swapper/022:55:130
752835992219,2cyclictest0-21swapper/022:20:120
752835992219,2cyclictest0-21swapper/020:25:100
752835992218,3cyclictest870996-21apt-get21:05:120
752835992218,3cyclictest799649-21ps19:55:180
752835992218,3cyclictest794594-21irqcore19:50:160
75283599220,3cyclictest1020796-21irqcore23:30:170
75283599220,21cyclictest0-21swapper/021:30:130
75284599219,2cyclictest509-21systemd-logind00:40:003
752845992119,2cyclictest0-21swapper/323:05:133
752845992118,2cyclictest64-21kcompactd021:49:053
75284599211,1cyclictest1035998-21apt-get23:45:143
75284599210,2cyclictest0-21swapper/323:30:133
75284599210,2cyclictest0-21swapper/321:15:123
75284599210,20cyclictest0-21swapper/320:35:133
75284599210,20cyclictest0-21swapper/319:30:133
75284599210,1cyclictest0-21swapper/321:00:133
752842992119,1cyclictest0-21swapper/223:35:112
752842992119,1cyclictest0-21swapper/221:25:132
752842992119,1cyclictest0-21swapper/221:05:132
752842992119,1cyclictest0-21swapper/219:55:232
752842992119,1cyclictest0-21swapper/219:10:142
752842992118,2cyclictest1050998-21awk00:00:002
752842992118,2cyclictest0-21swapper/220:45:122
752842992117,2cyclictest984446-21apt-get22:55:122
75284299211,19cyclictest0-21swapper/221:35:132
75284299210,2cyclictest881613-21seq21:15:122
75284299210,20cyclictest821594-21ps20:15:172
75284299210,20cyclictest1041601-21sort23:50:162
75284299210,19cyclictest0-21swapper/222:25:122
75284299210,19cyclictest0-21swapper/221:30:132
752838992119,1cyclictest0-21swapper/123:48:571
752838992119,1cyclictest0-21swapper/121:25:131
752838992119,1cyclictest0-21swapper/120:10:111
752838992118,2cyclictest0-21swapper/121:15:131
752838992118,2cyclictest0-21swapper/120:50:121
752838992117,3cyclictest850487-21cron20:45:011
752838992116,4cyclictest880964-21dpkg21:15:011
75283899211,19cyclictest0-21swapper/100:08:191
75283899210,2cyclictest64-21kcompactd000:00:151
75283899210,20cyclictest64-21kcompactd019:42:461
75283899210,20cyclictest0-21swapper/120:45:121
75283899210,20cyclictest0-21swapper/119:35:121
75283899210,20cyclictest0-21swapper/100:25:131
752835992119,1cyclictest0-21swapper/000:06:100
752835992118,2cyclictest804199-21apt-get20:00:130
752835992118,2cyclictest0-21swapper/023:50:120
752835992118,2cyclictest0-21swapper/023:35:110
75283599211,2cyclictest0-21swapper/000:35:140
75283599211,19cyclictest0-21swapper/019:25:140
75283599210,20cyclictest886471-21munin-run21:20:000
75283599210,20cyclictest64-21kcompactd020:46:430
75283599210,20cyclictest0-21swapper/020:40:120
75283599210,20cyclictest0-21swapper/020:10:120
75283599210,20cyclictest0-21swapper/019:20:120
75283599210,19cyclictest0-21swapper/000:13:420
752845992019,1cyclictest0-21swapper/323:26:233
752845992016,2cyclictest0-21swapper/319:40:143
75284599201,1cyclictest0-21swapper/323:15:063
75284599200,19cyclictest0-21swapper/319:45:143
752842992018,1cyclictest942228-21ntpq22:10:242
752842992018,1cyclictest0-21swapper/223:35:012
752842992018,1cyclictest0-21swapper/222:35:132
752842992018,1cyclictest0-21swapper/222:35:132
752842992018,1cyclictest0-21swapper/221:00:232
752842992018,1cyclictest0-21swapper/219:45:152
752842992018,1cyclictest0-21swapper/219:25:142
752842992017,2cyclictest999802-21cron23:10:002
752842992017,2cyclictest1005148-21apt-get23:15:122
752842992017,1cyclictest948515-21apt-get22:20:122
752842992017,1cyclictest0-21swapper/222:05:132
75284299200,2cyclictest1051232-21taskset00:00:122
75284299200,1cyclictest0-21swapper/223:49:312
75284299200,1cyclictest0-21swapper/223:10:122
75284299200,1cyclictest0-21swapper/220:30:212
75284299200,1cyclictest0-21swapper/219:40:142
75284299200,19cyclictest0-21swapper/220:25:022
752838992018,1cyclictest64-21kcompactd019:48:071
752838992018,1cyclictest0-21swapper/123:22:381
752838992018,1cyclictest0-21swapper/119:15:151
752838992013,5cyclictest829385-21dpkg20:25:011
75283899200,1cyclictest0-21swapper/122:03:031
752835992018,1cyclictest0-21swapper/023:55:140
752835992018,1cyclictest0-21swapper/021:20:140
752835992017,2cyclictest1085684-21ntpq00:30:220
752835992017,2cyclictest0-21swapper/020:15:210
75283599200,1cyclictest0-21swapper/023:20:140
75283599200,1cyclictest0-21swapper/021:45:110
75283599200,19cyclictest0-21swapper/022:54:080
75283599200,19cyclictest0-21swapper/022:45:020
752845991917,1cyclictest0-21swapper/319:30:013
75284599190,1cyclictest0-21swapper/322:16:293
752842991918,1cyclictest0-21swapper/220:54:162
752842991917,1cyclictest0-21swapper/222:40:122
752842991917,1cyclictest0-21swapper/220:10:122
752842991917,1cyclictest0-21swapper/200:35:142
75284299190,1cyclictest0-21swapper/222:30:102
752838991917,1cyclictest0-21swapper/122:35:121
752838991917,1cyclictest0-21swapper/122:35:121
752838991915,2cyclictest0-21swapper/120:00:121
752835991916,2cyclictest962878-21sshd22:30:240
752835991916,2cyclictest1030880-21apt-get23:40:120
752835991916,2cyclictest0-21swapper/021:39:590
752842991816,1cyclictest943418-21apt-get22:15:122
752842991816,1cyclictest1061397-21apt-get00:10:122
752842991816,1cyclictest0-21swapper/222:50:142
752842991816,1cyclictest0-21swapper/221:40:132
752842991816,1cyclictest0-21swapper/219:50:482
75284299180,1cyclictest0-21swapper/220:04:472
75283899188,8cyclictest870738-21munin-run21:05:001
752838991816,1cyclictest0-21swapper/122:47:091
752838991815,2cyclictest829926-21apt-get20:25:101
752838991815,2cyclictest0-21swapper/122:20:131
752838991815,2cyclictest0-21swapper/120:35:141
752838991814,2cyclictest918129-21grep21:50:171
752835991814,2cyclictest994285-21cron23:04:590
752845991715,1cyclictest64-21kcompactd023:10:153
752845991714,2cyclictest3777014-21systemd-udevd22:33:533
752845991714,2cyclictest3777014-21systemd-udevd20:51:543
752845991713,3cyclictest887678-21kthreadcore21:20:203
752842991715,1cyclictest0-21swapper/223:40:122
752842991715,1cyclictest0-21swapper/219:30:132
752838991713,2cyclictest938347-21apt-get22:10:151
752835991713,3cyclictest927913-21latency_hist22:00:000
752835991713,3cyclictest61650irq/133-enp0s29f1:rx-023:15:180
752835991713,3cyclictest61650irq/133-enp0s29f1:rx-022:05:120
752845991613,1cyclictest0-21swapper/319:15:133
752845991612,3cyclictest1030141-21unixbench_multi23:35:243
752845991612,2cyclictest1076630-21apt-get00:25:133
752845991610,4cyclictest809424-21df_inode20:05:163
752845991610,4cyclictest809424-21df_inode20:05:153
752838991612,2cyclictest860902-21apt-get20:55:131
752838991513,1cyclictest0-21swapper/121:05:221
752838991512,2cyclictest0-21swapper/100:10:131
752835991513,1cyclictest0-21swapper/023:45:130
752835991512,2cyclictest62450irq/134-enp0s29f1:tx-022:15:120
752835991511,3cyclictest61650irq/133-enp0s29f1:rx-022:25:200
752845991411,2cyclictest1031373-21irqcore23:40:153
752842991411,2cyclictest1071932-21gltestperf00:20:152
75284299140,14cyclictest0-21swapper/220:40:012
752835991410,3cyclictest778984-21cpuspeed_turbos19:35:130
752835991410,3cyclictest1070867-21unixbench_singl00:15:260
75284299135,1cyclictest0-21swapper/200:35:002
75283899139,3cyclictest1086157-21unixbench_singl00:30:251
75284599127,3cyclictest778918-21apt-get19:35:133
75284599121,2cyclictest752767-21latency_hist19:10:003
75284299129,2cyclictest828251-21needreboot20:20:232
75284299128,3cyclictest814062-21basename20:10:012
75284299128,3cyclictest814062-21basename20:10:002
752842991210,1cyclictest0-21swapper/219:20:132
752838991210,1cyclictest0-21swapper/100:20:131
75284299116,4cyclictest847117-21cut20:40:162
7528389996,1cyclictest0-21swapper/119:10:001
7528359981,4cyclictest752899-21latency_hist19:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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