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2026-08-14 - 06:17
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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 Aug 14, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
768473993210,2cyclictest0-21swapper/220:40:162
76847399260,24cyclictest963640-21cut22:20:172
768471992624,1cyclictest932367-21cron21:50:001
76846799260,24cyclictest3777322-21systemd-journal19:50:000
76847399251,3cyclictest0-21swapper/223:00:002
76847399251,22cyclictest892037-21apt-get21:10:132
768471992521,2cyclictest937739-21apt-get21:55:141
768471992519,4cyclictest794647-21cut19:35:161
768467992520,3cyclictest917433-21apt-get21:35:120
768467992520,3cyclictest778918-21apt-get19:20:120
76846799250,23cyclictest1031716-21sort23:25:170
76847799242,2cyclictest1060370-21apt-get23:55:093
768477992421,2cyclictest844724-21cron20:25:003
768477992420,2cyclictest1090829-21apt-get00:25:133
76847799241,20cyclictest789081-21apt-get19:30:123
76847799240,21cyclictest819577-21sshd20:00:133
76847399241,3cyclictest866670-21grep20:45:172
76847399241,2cyclictest824660-21apt-get20:05:092
76847399240,22cyclictest844763-21apt-key20:25:002
76847199241,20cyclictest973319-21apt-get22:30:121
768467992419,3cyclictest876778-21apt-get20:55:120
768467992419,3cyclictest870180-21ntpq20:45:240
768467992419,3cyclictest784011-21apt-get19:25:120
76846799241,3cyclictest1-21systemd22:55:010
76846799240,4cyclictest912085-21cron21:30:010
76846799240,22cyclictest847653-21sort20:25:170
768477992320,2cyclictest1085780-21apt-get00:20:133
768477992320,1cyclictest0-21swapper/320:05:083
768477992319,2cyclictest927551-21apt-get21:45:143
768477992315,2cyclictest191rcu_preempt22:10:173
76847799231,2cyclictest901901-21cron21:20:003
76847799231,2cyclictest1050211-21apt-get23:45:123
76847799230,20cyclictest0-21swapper/323:00:113
76847799230,20cyclictest0-21swapper/320:40:113
768473992318,3cyclictest855606-21taskset20:35:122
768473992318,3cyclictest516-21rs:main2
76847399231,2cyclictest0-21swapper/221:55:132
76847399231,20cyclictest968251-21apt-get22:25:122
76847399231,20cyclictest850511-21apt-get20:30:112
76847399231,20cyclictest3777245-21sshd20:00:132
76847399230,20cyclictest0-21swapper/221:20:122
76847199232,2cyclictest983462-21apt-get22:40:121
768471992319,2cyclictest922480-21apt-get21:40:131
76847199231,2cyclictest1019351-21apt-get23:15:121
76847199231,21cyclictest1105013-21ntpq00:35:231
76847199230,19cyclictest0-21swapper/122:45:131
768467992320,2cyclictest799219-21apt-get19:40:110
768467992320,2cyclictest1019351-21apt-get23:15:120
768467992319,2cyclictest951944-21wc22:05:250
768467992319,2cyclictest0-21swapper/021:00:100
768467992319,2cyclictest0-21swapper/020:10:170
768467992319,2cyclictest0-21swapper/020:10:160
768467992318,3cyclictest1034562-21apt-get23:30:120
76846799231,2cyclictest942806-21apt-get22:00:110
76846799231,2cyclictest875589-21ntpq20:50:190
76846799231,2cyclictest1-21systemd20:24:590
76846799231,2cyclictest0-21swapper/022:40:120
76846799231,21cyclictest902178-21apt-get21:20:110
76846799231,21cyclictest0-21swapper/019:55:110
76846799230,2cyclictest837052-21sort20:15:180
76846799230,21cyclictest1070549-21apt-get00:05:170
768477992219,1cyclictest0-21swapper/323:20:123
768477992218,3cyclictest804800-21irqcore19:45:173
76847799221,19cyclictest0-21swapper/321:50:153
76847799220,20cyclictest0-21swapper/323:25:113
76847799220,20cyclictest0-21swapper/322:35:123
76847799220,20cyclictest0-21swapper/322:05:133
76847799220,20cyclictest0-21swapper/321:55:133
76847799220,19cyclictest0-21swapper/322:25:113
76847799220,19cyclictest0-21swapper/322:00:123
76847799220,19cyclictest0-21swapper/319:20:113
768473992219,2cyclictest0-21swapper/222:45:132
76847399221,2cyclictest0-21swapper/223:30:122
76847399221,20cyclictest993607-21apt-get22:50:122
76847399221,20cyclictest0-21swapper/223:25:122
76847399221,1cyclictest0-21swapper/222:30:122
76847399220,21cyclictest1090832-21taskset00:25:132
76847399220,19cyclictest0-21swapper/220:15:122
768471992219,2cyclictest819572-21apt-get20:00:121
768471992219,2cyclictest0-21swapper/119:40:121
768471992219,1cyclictest1045146-21apt-get23:40:111
768471992218,2cyclictest958040-21apt-get22:15:111
768471992217,3cyclictest876503-21cron20:55:001
76847199220,19cyclictest0-21swapper/122:50:121
76847199220,18cyclictest0-21swapper/123:55:101
768467992220,1cyclictest0-21swapper/021:55:130
768467992219,2cyclictest0-21swapper/021:50:130
768467992219,2cyclictest0-21swapper/019:15:140
768467992218,3cyclictest855324-21cron20:35:000
768467992217,4cyclictest1009698-21irqcore23:05:160
76846799221,20cyclictest1055302-21apt-get23:50:130
76846799221,20cyclictest0-21swapper/019:10:120
76846799220,2cyclictest962886-21awk22:20:000
76846799220,2cyclictest809560-21/usr/sbin/munin19:50:140
76846799220,2cyclictest0-21swapper/022:25:120
768477992119,1cyclictest1009215-21apt-get23:05:113
768477992119,1cyclictest0-21swapper/323:30:123
768477992119,1cyclictest0-21swapper/322:20:123
768477992119,1cyclictest0-21swapper/320:10:123
768477992119,1cyclictest0-21swapper/320:10:123
768477992119,1cyclictest0-21swapper/300:35:143
768477992118,2cyclictest1080444-21turbostat.cron00:14:593
768477992117,2cyclictest1044024-21ntpq23:35:213
76847799211,1cyclictest0-21swapper/319:10:123
76847799210,2cyclictest835322-21ps20:15:163
76847799210,2cyclictest1081204-21ps00:15:173
76847799210,20cyclictest998421-21munin-run22:55:003
76847799210,20cyclictest3871586-21snmpd21:10:153
76847799210,20cyclictest0-21swapper/323:15:223
76847799210,20cyclictest0-21swapper/320:45:123
76847799210,20cyclictest0-21swapper/319:25:223
76847799210,1cyclictest0-21swapper/321:25:153
76847799210,19cyclictest0-21swapper/323:40:113
76847799210,19cyclictest0-21swapper/322:45:133
768473992119,1cyclictest0-21swapper/200:30:122
768473992116,3cyclictest886988-21apt-get21:05:142
76847399210,2cyclictest0-21swapper/221:45:142
76847399210,2cyclictest0-21swapper/221:35:212
76847399210,20cyclictest64-21kcompactd019:59:192
76847399210,20cyclictest0-21swapper/223:00:112
76847399210,20cyclictest0-21swapper/219:25:132
76847399210,20cyclictest0-21swapper/200:20:132
76847399210,1cyclictest1040054-21apt-get23:35:122
76847399210,1cyclictest0-21swapper/223:15:122
76847399210,1cyclictest0-21swapper/222:05:122
76847399210,1cyclictest0-21swapper/221:40:132
76847399210,19cyclictest886712-21cron21:05:002
768471992119,1cyclictest0-21swapper/123:25:121
768471992119,1cyclictest0-21swapper/123:05:131
768471992119,1cyclictest0-21swapper/120:15:131
768471992119,1cyclictest0-21swapper/100:07:091
768471992118,2cyclictest844753-21gpgv20:25:001
768471992117,3cyclictest1039747-21latency_hist23:35:011
768471992117,2cyclictest1080708-21apt-get00:15:121
768471992116,3cyclictest952969-21apt-get22:10:121
768471992116,2cyclictest963137-21apt-get22:20:131
76847199211,1cyclictest0-21swapper/120:35:131
76847199210,20cyclictest1095428-21sshd00:27:001
76847199210,19cyclictest0-21swapper/123:50:121
76847199210,19cyclictest0-21swapper/123:20:131
76847199210,19cyclictest0-21swapper/100:30:121
768467992119,1cyclictest0-21swapper/022:35:110
768467992119,1cyclictest0-21swapper/021:32:510
768467992118,2cyclictest64-21kcompactd023:59:370
768467992117,3cyclictest0-21swapper/020:35:110
76846799211,1cyclictest0-21swapper/023:44:340
76846799210,2cyclictest0-21swapper/022:45:580
76846799210,2cyclictest0-21swapper/021:40:130
76846799210,20cyclictest897105-21apt-get21:15:130
76846799210,20cyclictest0-21swapper/000:01:140
76846799210,1cyclictest0-21swapper/022:30:110
768477992018,1cyclictest0-21swapper/321:40:133
768477992018,1cyclictest0-21swapper/320:30:113
768477992018,1cyclictest0-21swapper/319:15:143
768477992018,1cyclictest0-21swapper/300:30:113
768477992015,3cyclictest1066397-21ps00:00:163
76847799200,1cyclictest0-21swapper/321:00:173
76847799200,19cyclictest64-21kcompactd020:36:573
76847799200,18cyclictest0-21swapper/321:30:133
768473992018,1cyclictest64-21kcompactd020:54:092
768473992018,1cyclictest0-21swapper/223:45:112
768473992018,1cyclictest0-21swapper/222:40:352
768473992017,2cyclictest803164-21ntpq19:40:212
768473992017,2cyclictest514-21in:imuxsock20:30:002
768473992017,2cyclictest1-21systemd19:35:002
768473992016,2cyclictest773802-21apt-get19:15:142
76847399200,1cyclictest0-21swapper/222:00:112
76847399200,1cyclictest0-21swapper/219:35:112
76847399200,1cyclictest0-21swapper/219:10:122
76847399200,19cyclictest0-21swapper/222:35:212
76847399200,19cyclictest0-21swapper/221:30:132
76847399200,19cyclictest0-21swapper/200:10:112
768471992018,1cyclictest0-21swapper/122:55:111
768471992018,1cyclictest0-21swapper/122:35:121
768471992018,1cyclictest0-21swapper/122:25:111
768471992018,1cyclictest0-21swapper/121:35:121
768471992018,1cyclictest0-21swapper/121:25:151
768471992018,1cyclictest0-21swapper/121:15:121
768471992018,1cyclictest0-21swapper/119:50:111
768471992018,1cyclictest0-21swapper/119:15:141
768471992017,2cyclictest932648-21apt-get21:50:151
768471992017,2cyclictest1-21systemd23:50:001
768471992017,1cyclictest0-21swapper/119:25:121
76847199200,1cyclictest947903-21taskset22:05:121
76847199200,1cyclictest0-21swapper/123:35:121
76847199200,1cyclictest0-21swapper/123:10:121
76847199200,1cyclictest0-21swapper/123:00:151
76847199200,1cyclictest0-21swapper/120:55:111
76847199200,19cyclictest789204-21modprobe19:30:131
76847199200,19cyclictest64-21kcompactd020:44:281
76847199200,19cyclictest0-21swapper/121:30:141
76847199200,19cyclictest0-21swapper/120:45:141
76847199200,19cyclictest0-21swapper/119:59:511
768467992018,1cyclictest64-21kcompactd021:47:220
768467992018,1cyclictest0-21swapper/023:20:110
768467992018,1cyclictest0-21swapper/023:10:110
768467992018,1cyclictest0-21swapper/000:36:430
768467992018,1cyclictest0-21swapper/000:25:140
768467992016,2cyclictest999098-21apt-get22:55:110
76846799200,1cyclictest0-21swapper/022:14:470
76846799200,1cyclictest0-21swapper/000:10:200
76846799200,19cyclictest0-21swapper/020:05:140
768477991917,1cyclictest999098-21apt-get22:55:113
768477991917,1cyclictest0-21swapper/321:35:133
768477991917,1cyclictest0-21swapper/319:55:113
76847799190,18cyclictest0-21swapper/320:50:123
768473991917,1cyclictest0-21swapper/223:09:372
768473991916,2cyclictest1024422-21apt-get23:20:122
768471991917,1cyclictest0-21swapper/120:30:131
76847199190,1cyclictest0-21swapper/121:20:131
76847199190,1cyclictest0-21swapper/119:10:121
768477991816,1cyclictest809405-21apt-get19:50:113
768477991816,1cyclictest0-21swapper/323:12:513
768477991816,1cyclictest0-21swapper/322:40:033
768477991816,1cyclictest0-21swapper/322:30:123
768477991815,2cyclictest880681-21ntpq20:55:193
768477991814,2cyclictest0-21swapper/319:45:003
768473991816,1cyclictest0-21swapper/219:45:172
768473991815,2cyclictest0-21swapper/220:10:122
768473991815,2cyclictest0-21swapper/220:10:122
768473991814,3cyclictest1049935-21cron23:45:002
768471991816,1cyclictest0-21swapper/121:10:131
768467991816,1cyclictest0-21swapper/023:48:520
768467991815,2cyclictest0-21swapper/019:35:180
768467991815,2cyclictest0-21swapper/000:20:120
768477991711,4cyclictest1055656-21sed23:50:143
768473991715,1cyclictest0-21swapper/219:20:162
768473991713,3cyclictest1060870-21sed23:55:142
768473991711,4cyclictest3777322-21systemd-journal00:05:002
768471991716,1cyclictest0-21swapper/120:05:191
768471991715,1cyclictest0-21swapper/119:45:121
768471991713,2cyclictest829734-21apt-get20:10:131
768471991713,2cyclictest829734-21apt-get20:10:131
768467991713,3cyclictest61650irq/133-enp0s29f1:rx-021:10:130
76847799163,2cyclictest8904832tr21:05:203
768477991614,1cyclictest1070549-21apt-get00:05:153
768473991614,1cyclictest64-21kcompactd021:51:402
768473991614,1cyclictest0-21swapper/223:10:122
768471991614,1cyclictest1065448-21apt-get00:00:121
768471991614,1cyclictest0-21swapper/122:00:181
768471991614,1cyclictest0-21swapper/119:20:111
768467991613,2cyclictest61650irq/133-enp0s29f1:rx-022:20:190
768467991613,2cyclictest1081192-21ps00:15:170
768467991613,2cyclictest0-21swapper/019:30:120
768467991612,3cyclictest768479-21cat19:09:590
768467991612,3cyclictest61650irq/133-enp0s29f1:rx-023:00:100
768467991612,3cyclictest61650irq/133-enp0s29f1:rx-020:00:130
76847399151,3cyclictest1105919-21awk00:40:002
768473991512,2cyclictest391rcuc/222:15:172
768473991511,3cyclictest1060099-21idleruntime-cro23:55:012
768471991514,1cyclictest0-21swapper/100:20:131
768477991412,1cyclictest0-21swapper/321:20:123
768473991411,2cyclictest957790-21idleruntime-cro22:15:002
768473991411,2cyclictest1084539-21needreboot00:15:202
768473991410,2cyclictest0-21swapper/220:55:122
76847199147,5cyclictest3777322-21systemd-journal21:05:001
768471991410,2cyclictest0-21swapper/120:25:141
768477991310,2cyclictest0-21swapper/320:25:013
76847399139,3cyclictest0-21swapper/200:05:252
76847399131,2cyclictest9098831kthreadcore21:25:212
768473991311,1cyclictest809631-21fschecks_time19:50:142
76847199139,3cyclictest0-21swapper/121:05:161
76847199139,2cyclictest1080449-21apt00:14:591
76847799120,3cyclictest9614322tr22:15:183
7684779986,1cyclictest0-21swapper/319:09:593
7684739986,1cyclictest0-21swapper/219:09:592
7684719981,5cyclictest768476-21sed19:09:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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