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2026-09-09 - 12:35
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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 Wed Sep 09, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
49731799331,3cyclictest585594-21cut20:35:163
497317993120,10cyclictest0-21swapper/323:45:003
497317993120,10cyclictest0-21swapper/323:45:003
49731799311,1cyclictest509-21systemd-logind23:30:003
49731799310,22cyclictest625393-21apt21:15:013
49731799301,22cyclictest548776-21apt-get20:00:143
49730799307,21cyclictest0-21swapper/021:30:000
497317992917,4cyclictest717985-21apt-get22:45:113
497317992916,3cyclictest3777322-21systemd-journal21:00:003
49731799291,2cyclictest723108-21apt-get22:50:163
49731799291,2cyclictest677080-21cron22:05:013
49731799291,2cyclictest1-21systemd21:50:003
49731799290,22cyclictest571668-21ps20:20:173
49731199296,3cyclictest533239-21cron19:45:001
49731799280,1cyclictest594945-21awk20:45:003
49731799280,1cyclictest0-21swapper/319:20:113
49731799280,1cyclictest0-21swapper/300:10:133
497313992818,8cyclictest571673-21sort20:20:172
497313992816,10cyclictest790471-21grep23:55:172
497313992816,10cyclictest625389-21cron21:15:002
49731399281,25cyclictest687554-21apt-get22:15:142
497317992717,1cyclictest0-21swapper/321:40:113
49731799271,2cyclictest0-21swapper/323:05:113
49731799270,19cyclictest0-21swapper/322:30:123
497313992722,3cyclictest3777322-21systemd-journal23:09:592
497313992718,7cyclictest3777322-21systemd-journal20:45:002
497313992717,8cyclictest662596-21irqcore21:50:182
497313992716,10cyclictest651675-21idleruntime-cro21:40:002
49731399271,23cyclictest702774-21apt-get22:30:122
49731199272,4cyclictest558904-21apt-get20:10:131
497311992720,3cyclictest600289-21apt-get20:50:131
49730799271,21cyclictest502596-21apt-get19:15:130
497313992619,5cyclictest805165-21apt-get00:10:132
497313992618,7cyclictest779132-21idleruntime-cro23:45:002
497313992618,7cyclictest779132-21idleruntime-cro23:44:592
49731399261,21cyclictest667171-21apt-get21:55:142
49731399260,25cyclictest0-21swapper/219:50:012
49731199261,21cyclictest677354-21apt-get22:05:121
49731199261,21cyclictest662100-21apt-get21:50:141
49731199261,21cyclictest625658-21apt-get21:15:141
497317992518,1cyclictest64-21kcompactd023:30:273
497317992518,1cyclictest537365-21modprobe19:45:183
497317992517,3cyclictest0-21swapper/320:50:123
49731799251,21cyclictest595219-21apt-get20:45:153
497313992519,4cyclictest747350-21ntpq23:10:202
49731399250,22cyclictest0-21swapper/220:15:132
49731399250,19cyclictest0-21swapper/222:35:192
49731399250,17cyclictest661859-21unin-run21:50:012
49731199251,21cyclictest657529-21grep21:45:161
49731199251,21cyclictest620567-21taskset21:10:121
49731199251,21cyclictest0-21swapper/122:35:111
49731199251,20cyclictest758648-21apt-get23:25:121
49731199251,20cyclictest517854-21apt-get19:30:121
49730799252,20cyclictest815377-21apt-get00:20:120
497317992418,5cyclictest0-21swapper/322:15:143
49731799241,20cyclictest825580-21apt-get00:30:123
497313992416,6cyclictest0-21swapper/219:20:112
49731399240,22cyclictest0-21swapper/222:50:162
49731399240,1cyclictest0-21swapper/223:49:162
49731399240,1cyclictest0-21swapper/223:29:592
497311992420,2cyclictest538567-21apt-get19:50:131
497311992418,4cyclictest569943-21sed20:20:161
49731199241,2cyclictest733244-21apt-get23:00:121
49731199241,21cyclictest696562-21ntpq22:20:211
49731199241,21cyclictest3777322-21systemd-journal23:20:001
49731199241,20cyclictest497525-21apt-get19:10:141
49731199241,20cyclictest0-21swapper/120:55:121
49731199241,20cyclictest0-21swapper/120:40:121
49731199241,20cyclictest0-21swapper/100:20:121
49731199240,20cyclictest0-21swapper/123:10:101
49730799242,20cyclictest707845-21apt-get22:35:120
497307992420,3cyclictest810258-21apt-get00:15:130
497307992418,4cyclictest718470-21irqcore22:45:150
49730799241,21cyclictest605349-21apt-get20:55:120
49730799241,21cyclictest532401-21ntpq19:40:220
497317992320,2cyclictest532344-21ntpq19:40:213
49731799231,3cyclictest795022-21apt-get00:00:123
49731799231,2cyclictest0-21swapper/319:55:133
49731799231,21cyclictest0-21swapper/321:05:213
49731799231,21cyclictest0-21swapper/321:05:213
49731799231,20cyclictest522953-21apt-get19:35:123
49731799231,20cyclictest0-21swapper/323:50:113
49731799230,2cyclictest0-21swapper/323:10:123
49731799230,20cyclictest0-21swapper/321:20:133
49731799230,20cyclictest0-21swapper/321:00:143
497313992320,1cyclictest830630-21apt-get00:35:122
49731399231,2cyclictest682481-21apt-get22:10:112
497313992312,2cyclictest0-21swapper/221:40:102
49731399230,22cyclictest0-21swapper/223:34:452
49731399230,1cyclictest0-21swapper/219:31:142
497311992320,1cyclictest533513-21apt-get19:45:091
497311992317,4cyclictest804886-21cron00:09:591
49731199231,2cyclictest646813-21apt-get21:35:121
49731199231,2cyclictest0-21swapper/123:20:131
49731199231,21cyclictest584408-21apt-get20:35:021
49731199231,21cyclictest0-21swapper/122:58:111
49731199231,20cyclictest0-21swapper/121:59:351
49731199230,21cyclictest784195-21cron23:50:001
49731199230,20cyclictest0-21swapper/120:25:131
497307992318,3cyclictest641277-21apt-get21:30:160
497307992317,4cyclictest717710-21cron22:44:590
49730799231,2cyclictest774265-21apt-get23:40:130
49730799231,2cyclictest774265-21apt-get23:40:120
497317992219,2cyclictest733247-21taskset23:00:133
497317992219,2cyclictest682206-21cron22:10:003
497317992219,1cyclictest0-21swapper/300:15:123
497317992218,3cyclictest713385-21ps22:40:183
497317992218,2cyclictest0-21swapper/323:55:123
497317992217,1cyclictest64-21kcompactd020:29:163
49731799221,20cyclictest0-21swapper/322:30:013
49731799220,2cyclictest693551-21chrt22:20:173
49731799220,21cyclictest753302-21idleruntime-cro23:20:003
49731799220,20cyclictest491ktimers/319:10:133
497313992219,2cyclictest693552-21/usr/sbin/munin22:20:172
497313992219,2cyclictest0-21swapper/220:00:142
497313992219,2cyclictest0-21swapper/219:35:122
49731399220,3cyclictest580102-21grep20:30:192
49731399220,19cyclictest0-21swapper/223:00:122
49731399220,19cyclictest0-21swapper/200:20:112
497311992218,2cyclictest0-21swapper/123:50:111
497311992217,3cyclictest825583-21taskset00:30:121
49731199221,20cyclictest0-21swapper/100:25:181
49731199220,3cyclictest0-21swapper/121:20:141
49731199220,2cyclictest64-21kcompactd019:58:051
49731199220,2cyclictest0-21swapper/120:15:121
49731199220,2cyclictest0-21swapper/119:20:001
49731199220,20cyclictest0-21swapper/122:30:121
497307992219,2cyclictest779381-21apt-get23:45:130
497307992219,2cyclictest616008-21ps21:05:170
497307992219,2cyclictest616008-21ps21:05:160
497307992219,1cyclictest0-21swapper/023:55:030
497307992219,1cyclictest0-21swapper/022:00:080
497307992217,3cyclictest728174-21apt-get22:55:120
497307992217,3cyclictest615236-21cron21:05:000
497307992215,5cyclictest764209-21irqcore23:30:170
49730799221,2cyclictest0-21swapper/019:55:130
49730799221,20cyclictest666051-21ntpq21:50:230
49730799221,20cyclictest0-21swapper/021:43:270
49730799221,20cyclictest0-21swapper/000:05:130
49730799220,21cyclictest0-21swapper/023:10:110
497317992118,2cyclictest520006-21kthreadcore19:30:173
497317992118,2cyclictest0-21swapper/300:05:123
497317992117,2cyclictest0-21swapper/320:30:153
49731799211,2cyclictest772713-21ntpq23:35:233
49731799210,2cyclictest0-21swapper/323:20:133
49731799210,2cyclictest0-21swapper/320:05:123
49731799210,2cyclictest0-21swapper/319:25:123
49731799210,20cyclictest0-21swapper/319:17:143
49731799210,1cyclictest0-21swapper/321:30:153
49731799210,19cyclictest0-21swapper/322:10:113
49731799210,19cyclictest0-21swapper/321:55:143
497313992119,1cyclictest0-21swapper/221:15:132
497313992118,2cyclictest773713-21latency_hist23:40:012
497313992118,2cyclictest702503-21idleruntime-cro22:30:002
497313992118,2cyclictest0-21swapper/221:05:122
497313992118,2cyclictest0-21swapper/221:05:122
497313992118,1cyclictest0-21swapper/222:00:132
497313992118,1cyclictest0-21swapper/219:25:122
497313992117,2cyclictest630710-21apt-get21:20:132
497313992110,3cyclictest610164-21cron21:00:002
49731399210,2cyclictest646119-21cron21:35:012
49731399210,1cyclictest0-21swapper/200:30:122
49731399210,19cyclictest0-21swapper/223:50:162
497311992119,1cyclictest64-21kcompactd023:38:311
497311992118,2cyclictest0-21swapper/100:35:121
497311992117,2cyclictest0-21swapper/122:25:121
49731199211,1cyclictest0-21swapper/100:10:131
49731199210,2cyclictest0-21swapper/121:30:151
49731199210,20cyclictest64-21kcompactd022:01:451
49731199210,20cyclictest0-21swapper/121:25:171
49731199210,1cyclictest0-21swapper/120:45:131
49731199210,19cyclictest0-21swapper/122:15:141
49731199210,19cyclictest0-21swapper/122:10:101
497307992119,1cyclictest0-21swapper/022:25:110
497307992119,1cyclictest0-21swapper/021:20:140
497307992119,1cyclictest0-21swapper/019:38:120
497307992118,2cyclictest0-21swapper/023:35:140
49730799211,1cyclictest511620-21ntpq19:20:200
49730799211,1cyclictest0-21swapper/000:10:130
49730799210,20cyclictest522687-21sh19:35:000
49730799210,20cyclictest0-21swapper/023:00:130
49730799210,20cyclictest0-21swapper/020:30:130
49730799210,20cyclictest0-21swapper/020:10:130
49730799210,20cyclictest0-21swapper/020:05:120
49730799210,1cyclictest563949-21apt-get20:15:120
49730799210,1cyclictest0-21swapper/020:45:130
49731799200,1cyclictest0-21swapper/322:35:113
49731799200,19cyclictest0-21swapper/319:55:003
497313992018,1cyclictest0-21swapper/221:26:152
497313992018,1cyclictest0-21swapper/200:15:132
497313992016,3cyclictest543413-21idleruntime-cro19:55:002
49731399201,18cyclictest507377-21apt-get19:20:012
49731399200,1cyclictest0-21swapper/223:15:122
49731399200,1cyclictest0-21swapper/220:05:122
49731399200,19cyclictest0-21swapper/222:08:432
49731399200,18cyclictest0-21swapper/200:00:122
497311992017,2cyclictest0-21swapper/119:35:181
49731199200,1cyclictest0-21swapper/121:40:091
49731199200,1cyclictest0-21swapper/100:00:181
49731199200,19cyclictest0-21swapper/122:44:121
497307992018,1cyclictest64-21kcompactd023:28:490
497307992018,1cyclictest0-21swapper/022:05:110
497307992018,1cyclictest0-21swapper/020:25:130
497307992018,1cyclictest0-21swapper/000:30:120
49730799201,1cyclictest0-21swapper/019:10:140
49730799200,1cyclictest0-21swapper/022:24:520
49730799200,1cyclictest0-21swapper/000:35:130
49730799200,19cyclictest0-21swapper/022:50:170
49730799200,19cyclictest0-21swapper/021:15:140
49731799190,1cyclictest0-21swapper/321:25:223
497313991917,1cyclictest0-21swapper/220:45:152
497313991916,2cyclictest758378-21sh23:25:002
497313991912,2cyclictest0-21swapper/222:45:112
497311991918,1cyclictest64-21kcompactd023:33:081
497311991917,1cyclictest0-21swapper/123:55:121
497311991916,2cyclictest738819-21cut23:05:171
497311991916,2cyclictest0-21swapper/121:05:131
497311991916,2cyclictest0-21swapper/121:05:121
49731199190,19cyclictest0-21swapper/123:41:441
49731199190,19cyclictest0-21swapper/123:41:431
497307991917,1cyclictest0-21swapper/021:45:180
497307991917,1cyclictest0-21swapper/020:24:270
497307991917,1cyclictest0-21swapper/019:50:210
497307991916,2cyclictest512759-21apt-get19:25:120
497307991916,1cyclictest625380-21cron21:15:000
49730799190,1cyclictest64-21kcompactd020:38:250
497317991816,1cyclictest0-21swapper/300:37:383
497317991815,2cyclictest0-21swapper/300:20:123
497313991815,1cyclictest0-21swapper/221:00:132
497313991812,1cyclictest0-21swapper/220:50:122
497307991816,1cyclictest0-21swapper/019:45:100
497307991815,2cyclictest548751-21/usr/sbin/munin20:00:190
497307991815,1cyclictest0-21swapper/022:10:100
497307991814,3cyclictest671054-21ntp_kernel_err21:55:220
497317991714,2cyclictest0-21swapper/321:50:133
497317991713,2cyclictest0-21swapper/322:55:123
497313991715,1cyclictest0-21swapper/219:55:122
497313991715,1cyclictest0-21swapper/219:40:012
497313991713,2cyclictest574893-21gltestperf20:25:162
497313991710,2cyclictest585102-21apt-get20:35:122
497311991715,1cyclictest0-21swapper/100:15:221
497311991713,2cyclictest513261-21irqcore19:25:151
497311991713,2cyclictest0-21swapper/119:20:121
497307991713,3cyclictest61650irq/133-enp0s29f1:rx-023:50:160
497307991712,3cyclictest61650irq/133-enp0s29f1:rx-023:15:170
49730799170,4cyclictest5926641kthreadcore20:40:180
497317991613,1cyclictest0-21swapper/320:15:133
497313991614,1cyclictest0-21swapper/219:10:132
497313991613,2cyclictest0-21swapper/222:40:232
497313991611,3cyclictest800162-21cpuspeed_turbos00:05:132
497311991613,2cyclictest580113-21irqcore20:30:181
497307991614,1cyclictest64-21kcompactd000:26:210
497307991613,2cyclictest61650irq/133-enp0s29f1:rx-023:20:250
497307991613,2cyclictest61650irq/133-enp0s29f1:rx-020:50:200
497317991514,1cyclictest0-21swapper/323:45:213
497317991513,1cyclictest825272-21sshd00:29:443
497317991512,2cyclictest563255-21unixbench_singl20:10:263
497311991513,1cyclictest0-21swapper/122:50:251
497307991513,1cyclictest0-21swapper/000:00:130
497307991512,2cyclictest61650irq/133-enp0s29f1:rx-021:35:120
497307991511,3cyclictest61650irq/133-enp0s29f1:rx-022:15:140
497317991410,2cyclictest6468172chrt21:35:133
497313991411,2cyclictest559197-21gltestperf20:10:162
497311991410,3cyclictest555337-21kthreadcore20:05:181
497307991412,1cyclictest0-21swapper/023:05:120
497313991310,2cyclictest820585-21cpuspeed_turbos00:25:132
49731199139,3cyclictest721841-21needreboot22:45:181
49731199139,2cyclictest0-21swapper/121:00:191
497307991310,2cyclictest61650irq/133-enp0s29f1:rx-022:30:130
49731399128,3cyclictest728173-21apt22:55:122
49731799119,1cyclictest0-21swapper/321:15:133
49731799100,8cyclictest497475-21cat19:10:013
4973139960,4cyclictest0-21swapper/219:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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