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2026-04-04 - 09:16
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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 Sat Apr 04, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
70934699311,21cyclictest894566-21grep22:10:170
70935699305,23cyclictest261-21systemd-journal00:40:013
709346993020,8cyclictest751142-21apt-get19:50:120
70934699292,2cyclictest929829-21apt-get22:45:110
709346992917,10cyclictest1000821-21cron23:54:590
70934999281,22cyclictest781845-21apt-get20:20:121
709346992819,7cyclictest1016356-21apt-get00:10:110
70934699280,20cyclictest909361-21cron22:25:010
70934699280,20cyclictest812007-21https20:50:010
70934999271,22cyclictest1036599-21apt-get00:30:111
709346992718,8cyclictest64-21kcompactd020:15:500
70934699271,25cyclictest64-21kcompactd021:53:400
70934699270,3cyclictest806925-21awk20:45:010
70934699270,1cyclictest0-21swapper/021:45:110
70934699270,1cyclictest0-21swapper/000:15:110
709354992619,5cyclictest1026996-21cut00:20:182
70934999262,21cyclictest740969-21apt-get19:40:121
709349992620,4cyclictest863284-21apt-get21:40:121
70934999261,23cyclictest959897-21cron23:15:001
70934999261,21cyclictest970707-21apt-get23:25:121
70934999261,21cyclictest965227-21apt-get23:20:121
70934699260,25cyclictest0-21swapper/019:20:010
70935699251,21cyclictest730757-21apt-get19:30:103
70935699251,20cyclictest909638-21apt-get22:25:113
70935499252,20cyclictest1031544-21apt-get00:25:112
709349992521,3cyclictest845282-21kthreadcore21:20:181
70934999251,3cyclictest832935-21apt-get21:10:111
70934999251,21cyclictest889551-21irqcore22:05:161
70934999251,21cyclictest889551-21irqcore22:05:161
70934999251,21cyclictest786889-21apt-get20:25:121
70934999251,21cyclictest0-21swapper/121:45:161
70934999251,20cyclictest980880-21apt-get23:35:111
70934999251,20cyclictest0-21swapper/122:20:121
70934999250,22cyclictest986440-21grep23:40:151
70934999250,21cyclictest0-21swapper/120:15:121
70934999250,21cyclictest0-21swapper/100:00:111
709346992521,2cyclictest1001097-21apt-get23:55:110
70934699250,24cyclictest0-21swapper/023:15:100
709356992419,3cyclictest931505-21grep22:45:163
709356992418,4cyclictest879406-21grep21:55:163
70935699241,3cyclictest985935-21apt-get23:40:113
70935499242,20cyclictest715078-21apt-get19:15:102
709354992419,2cyclictest0-21swapper/220:00:122
70935499241,20cyclictest1041653-21apt-get00:35:132
709349992420,3cyclictest514-21in:imuxsock00:15:001
709349992420,2cyclictest725411-21cron19:24:591
70934999241,3cyclictest813087-21sshd20:50:141
70934999241,3cyclictest1011280-21apt-get00:05:131
70934999241,2cyclictest0-21swapper/119:15:111
70934999241,20cyclictest883991-21apt-get22:00:121
70934999241,20cyclictest0-21swapper/123:00:121
70934999241,20cyclictest0-21swapper/119:50:111
70934999240,22cyclictest874747-21/usr/sbin/munin21:50:161
70934999240,20cyclictest0-21swapper/120:00:121
70934699242,20cyclictest934906-21apt-get22:50:130
70934699241,21cyclictest878914-21apt-get21:55:120
70934699241,21cyclictest771309-21apt-get20:10:110
70934699241,20cyclictest0-21swapper/022:00:070
70934699240,23cyclictest0-21swapper/022:15:100
70934699240,19cyclictest0-21swapper/023:14:180
709356992319,2cyclictest848123-21apt-get21:25:133
709356992319,2cyclictest797042-21apt-get20:35:133
70935699231,20cyclictest817749-21apt-get20:55:113
70935699231,20cyclictest0-21swapper/323:35:143
70935699230,4cyclictest878637-21cron21:55:003
70935699230,20cyclictest0-21swapper/320:45:113
70935699230,20cyclictest0-21swapper/320:00:113
70935699230,20cyclictest0-21swapper/319:50:123
70935499231,2cyclictest802096-21apt-get20:40:122
70935499231,2cyclictest766260-21apt-get20:05:122
70935499231,21cyclictest843046-21apt-get21:20:112
70935499231,1cyclictest858228-21apt-get21:35:102
70935499230,22cyclictest702-21runrttasks19:25:102
70935499230,22cyclictest1041401-21awk00:35:002
70935499230,21cyclictest817752-21taskset20:55:112
709349992319,2cyclictest0-21swapper/121:35:111
709349992318,3cyclictest0-21swapper/121:10:001
70934999231,20cyclictest0-21swapper/120:40:111
70934999230,22cyclictest811974-21cron20:50:011
70934999230,21cyclictest978037-21ps23:30:171
70934999230,20cyclictest0-21swapper/119:10:131
709346992320,2cyclictest975806-21apt-get23:30:120
709346992316,6cyclictest0-21swapper/021:27:150
709346992313,9cyclictest746524-21ps19:45:150
70934699231,2cyclictest709567-21apt-get19:10:130
70934699231,21cyclictest61650irq/133-enp0s29f1:rx-019:40:120
70934699231,20cyclictest812674-21apt-get20:50:120
70934699230,3cyclictest1-21systemd21:45:000
70934699230,21cyclictest261-21systemd-journal19:39:590
709356992219,2cyclictest853176-21apt-get21:30:133
709356992219,1cyclictest0-21swapper/320:30:123
709356992218,2cyclictest924777-21apt-get22:40:123
70935699221,2cyclictest500-21dbus-daemon20:20:013
70935699220,20cyclictest0-21swapper/322:35:043
70935699220,20cyclictest0-21swapper/321:35:093
70935699220,19cyclictest0-21swapper/323:00:113
70935699220,19cyclictest0-21swapper/321:05:103
70935699220,19cyclictest0-21swapper/300:20:133
709354992219,2cyclictest0-21swapper/223:35:112
709354992218,2cyclictest990722-21cron23:44:592
70935499221,20cyclictest894076-21apt-get22:10:122
70935499221,1cyclictest0-21swapper/222:05:122
70935499221,1cyclictest0-21swapper/222:05:122
70935499220,2cyclictest914692-21apt-get22:30:112
70935499220,20cyclictest391rcuc/223:25:022
70935499220,20cyclictest0-21swapper/223:25:112
709349992219,2cyclictest0-21swapper/121:55:121
70934999221,2cyclictest0-21swapper/120:55:111
70934999221,20cyclictest0-21swapper/120:10:111
70934999221,1cyclictest0-21swapper/122:40:131
70934999220,21cyclictest1045598-21ntpq00:35:221
70934999220,20cyclictest0-21swapper/122:45:111
70934999220,19cyclictest0-21swapper/123:50:121
70934999220,19cyclictest0-21swapper/122:50:121
70934999220,19cyclictest0-21swapper/122:20:011
709346992219,1cyclictest0-21swapper/020:25:120
709346992218,2cyclictest995765-21cron23:49:590
709346992217,4cyclictest0-21swapper/021:10:110
709346992216,5cyclictest0-21swapper/023:35:190
709346992214,6cyclictest791966-21apt-get20:30:120
709356992119,1cyclictest0-21swapper/323:45:123
709356992119,1cyclictest0-21swapper/322:06:023
709356992119,1cyclictest0-21swapper/322:06:023
709356992119,1cyclictest0-21swapper/321:20:113
709356992119,1cyclictest0-21swapper/320:25:123
709356992119,1cyclictest0-21swapper/320:10:113
709356992118,2cyclictest863663-21/usr/sbin/munin21:40:153
709356992118,2cyclictest0-21swapper/323:50:133
709356992117,3cyclictest714394-21apt-get19:15:013
70935699210,20cyclictest0-21swapper/319:40:213
70935699210,1cyclictest0-21swapper/300:25:113
70935699210,19cyclictest0-21swapper/323:25:013
709354992118,2cyclictest939197-21chrt22:50:242
709354992118,2cyclictest863287-21taskset21:40:122
709354992118,2cyclictest0-21swapper/220:25:122
709354992118,1cyclictest868760-21apt-get21:45:112
709354992117,2cyclictest746034-21apt-get19:45:112
70935499211,19cyclictest954870-21ls23:10:002
70935499210,2cyclictest904736-21seq22:20:132
70935499210,20cyclictest996537-21tr23:50:172
70935499210,20cyclictest0-21swapper/220:45:112
70935499210,20cyclictest0-21swapper/200:00:202
70935499210,1cyclictest0-21swapper/219:55:122
70935499210,1cyclictest0-21swapper/219:10:132
70935499210,19cyclictest0-21swapper/221:30:132
70935499210,19cyclictest0-21swapper/219:30:092
709349992119,1cyclictest0-21swapper/123:47:061
709349992119,1cyclictest0-21swapper/120:30:121
709349992118,1cyclictest0-21swapper/121:25:131
709349992117,2cyclictest0-21swapper/122:30:121
70934999211,1cyclictest0-21swapper/121:15:131
70934999211,19cyclictest0-21swapper/119:34:581
70934999210,2cyclictest954893-21awk23:10:011
70934999210,20cyclictest855401-21sort21:30:181
70934999210,20cyclictest64-21kcompactd019:58:381
70934999210,1cyclictest725687-21apt-get19:25:101
70934999210,1cyclictest0-21swapper/122:55:131
70934699217,12cyclictest1031611-21cpuspeed_turbos00:25:130
709346992119,1cyclictest970707-21apt-get23:25:110
709346992119,1cyclictest0-21swapper/022:25:110
709346992119,1cyclictest0-21swapper/021:30:010
709346992119,1cyclictest0-21swapper/021:15:130
709346992119,1cyclictest0-21swapper/019:25:110
709346992117,3cyclictest0-21swapper/020:35:110
70934699211,1cyclictest0-21swapper/000:05:220
70934699210,20cyclictest766753-21grep20:05:170
70934699210,20cyclictest0-21swapper/020:58:500
709356992018,1cyclictest0-21swapper/323:18:043
709356992018,1cyclictest0-21swapper/300:30:113
709356992018,1cyclictest0-21swapper/300:10:103
709356992017,2cyclictest721096-21irqcore19:20:173
70935699200,20cyclictest0-21swapper/320:50:113
70935699200,1cyclictest0-21swapper/321:15:123
70935699200,1cyclictest0-21swapper/319:35:123
70935699200,19cyclictest0-21swapper/319:10:233
709354992018,1cyclictest0-21swapper/222:00:122
709354992018,1cyclictest0-21swapper/219:40:122
709354992017,2cyclictest516-21rs:main2
709354992017,1cyclictest990990-21apt-get23:45:122
709354992016,2cyclictest0-21swapper/221:55:172
70935499200,20cyclictest64-21kcompactd023:00:522
70935499200,1cyclictest64-21kcompactd022:45:492
70935499200,1cyclictest0-21swapper/222:55:132
70935499200,1cyclictest0-21swapper/221:00:112
70935499200,1cyclictest0-21swapper/200:10:102
70935499200,19cyclictest899127-21apt-get22:15:112
70935499200,19cyclictest0-21swapper/223:18:362
709349992018,1cyclictest0-21swapper/122:39:221
709349992017,2cyclictest0-21swapper/100:25:111
709349992015,3cyclictest0-21swapper/120:05:131
70934999200,20cyclictest64-21kcompactd000:16:401
70934999200,1cyclictest0-21swapper/123:55:111
70934999200,1cyclictest0-21swapper/122:10:151
70934699204,5cyclictest920085-21head22:35:160
709346992018,1cyclictest64-21kcompactd019:16:090
709346992018,1cyclictest0-21swapper/019:55:560
709346992016,3cyclictest509-21systemd-logind22:35:000
709346992016,2cyclictest893801-21idleruntime-cro22:10:000
709346992016,2cyclictest893801-21idleruntime-cro22:10:000
709346992016,2cyclictest1026988-21irqcore00:20:170
709346992016,2cyclictest1006182-21apt-get00:00:120
709346992012,7cyclictest61650irq/133-enp0s29f1:rx-021:20:120
70934699200,1cyclictest0-21swapper/022:40:120
70934699200,1cyclictest0-21swapper/021:35:100
70934699200,1cyclictest0-21swapper/020:00:210
709356991917,1cyclictest786616-21idleruntime-cro20:25:013
709356991915,2cyclictest939705-21cron22:55:003
70935699190,1cyclictest0-21swapper/322:00:213
70935699190,1cyclictest0-21swapper/321:45:113
70935699190,18cyclictest0-21swapper/322:30:123
70935699190,18cyclictest0-21swapper/322:15:113
709354991917,1cyclictest0-21swapper/222:35:122
709354991917,1cyclictest0-21swapper/221:05:112
70935499190,19cyclictest0-21swapper/222:25:232
70935499190,19cyclictest0-21swapper/200:17:442
709349991917,1cyclictest0-21swapper/119:36:021
709349991915,2cyclictest960170-21apt-get23:15:101
709349991915,2cyclictest825049-21kthreadcore21:00:171
70934699198,10cyclictest943783-21needreboot22:55:200
70934699198,10cyclictest782186-21gltestperf20:20:140
70934699198,10cyclictest0-21swapper/023:25:010
70934699195,4cyclictest733041-21tr19:30:160
70934699193,3cyclictest500-21dbus-daemon00:35:000
709346991917,1cyclictest0-21swapper/023:05:140
70934699191,16cyclictest827621-21latency_hist21:05:000
709356991817,1cyclictest64-21kcompactd021:04:453
709356991815,1cyclictest950090-21apt-get23:05:123
709356991815,1cyclictest0-21swapper/319:45:103
709356991814,2cyclictest0-21swapper/319:25:113
709356991812,4cyclictest261-21systemd-journal00:10:003
709354991814,3cyclictest852910-21sh21:30:002
70934699187,10cyclictest827945-21cpuspeed_turbos21:05:120
70934699180,6cyclictest1041657-21chrt00:35:120
709356991714,2cyclictest806406-21runrttasks20:40:243
709356991714,2cyclictest0-21swapper/320:05:143
709356991713,3cyclictest904651-21cpuspeed_turbos22:20:133
709354991715,1cyclictest781487-21apt-config20:20:012
709354991715,1cyclictest0-21swapper/220:50:112
709354991714,2cyclictest391rcuc/219:25:002
709349991715,1cyclictest64-21kcompactd022:26:281
70934699171,15cyclictest945034-21apt-get23:00:110
70934699170,5cyclictest986056-21cut23:40:120
709356991612,2cyclictest0-21swapper/323:59:593
709356991611,3cyclictest959673-21sshd23:12:153
709356991611,3cyclictest1021930-21ps00:15:153
709356991514,1cyclictest0-21swapper/319:55:193
709356991512,2cyclictest837720-21sh21:15:003
709354991515,0cyclictest0-21swapper/223:10:112
709354991514,1cyclictest0-21swapper/220:10:112
709354991513,1cyclictest0-21swapper/222:40:122
709354991513,1cyclictest0-21swapper/221:50:202
70935499150,9cyclictest842789-21munin-plugin-st21:20:002
709349991512,2cyclictest750851-21turbostat.cron19:49:551
709349991510,4cyclictest743-21ntpd00:20:221
709356991410,3cyclictest940319-21gltestperf22:55:153
709354991413,0cyclictest0-21swapper/221:14:582
70934699140,3cyclictest709347-21cat19:10:000
70935699137,4cyclictest500-21dbus-daemon23:30:003
709354991310,2cyclictest794950-21kthreadcore20:30:182
709354991310,2cyclictest0-21swapper/200:10:002
70935499130,11cyclictest0-21swapper/220:35:232
709349991310,2cyclictest311ktimers/120:36:531
70935699129,2cyclictest0-21swapper/322:10:153
70935699128,3cyclictest1007137-21tr00:00:163
709356991210,1cyclictest976102-21gltestperf23:30:143
70935499129,2cyclictest401ktimers/223:58:232
70935499119,1cyclictest0-21swapper/219:50:122
70935499117,2cyclictest735853-21sshd19:35:102
70934999111,2cyclictest709279-21latency_hist19:10:001
70935499107,2cyclictest782136-21gltestperf20:20:142
7093549996,1cyclictest0-21swapper/219:10:012
7093569964,1cyclictest0-21swapper/319:10:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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