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2026-08-30 - 11:38
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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 all highest latencies:
System rackeslot4.osadl.org (updated Sun Aug 30, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
334865399361,6cyclictest3777322-21systemd-journal19:30:000
334865399330,22cyclictest3567006-21taskset22:40:260
334865399320,23cyclictest3442881-21sed20:40:160
334865399311,3cyclictest3496885-21apt-get21:35:130
334865399311,2cyclictest0-21swapper/023:10:100
334865699300,1cyclictest3368839-21awk19:30:001
3348653993019,2cyclictest0-21swapper/000:20:110
334865699291,26cyclictest3414106-21ntpq20:10:211
3348653992919,2cyclictest0-21swapper/019:15:130
3348653992918,3cyclictest0-21swapper/019:35:110
3348663992823,3cyclictest3777322-21systemd-journal22:19:593
3348656992819,8cyclictest3506034-21/usr/sbin/munin21:40:241
334865699280,20cyclictest3455584-21munin-run20:55:001
334865699280,20cyclictest3405011-21sshd20:05:071
3348653992819,3cyclictest3450796-21apt-get20:50:120
334866199270,25cyclictest3512141-21taskset21:50:122
3348656992714,5cyclictest3445750-21apt-get20:45:121
334865699271,20cyclictest3542635-21apt-get22:20:111
3348656992620,4cyclictest3593419-21apt-get23:10:101
3348656992619,5cyclictest3665465-21apt-get00:20:121
3348656992617,2cyclictest3442878-21ps20:40:161
334865699261,20cyclictest0-21swapper/119:15:131
334865699260,23cyclictest0-21swapper/121:35:131
334865399262,22cyclictest3405045-21apt-get20:05:120
334865399261,4cyclictest3465982-21apt-get21:05:130
334865399261,22cyclictest0-21swapper/021:25:120
334866399251,21cyclictest3614192-21apt-get23:30:113
3348656992515,2cyclictest3588050-21cron23:05:001
334865699251,20cyclictest3573122-21apt-get22:50:121
334865699250,2cyclictest64-21kcompactd023:21:531
334865699250,1cyclictest0-21swapper/119:24:481
334865699250,18cyclictest0-21swapper/121:50:201
334865399251,21cyclictest3618970-21basename23:35:000
334865399251,21cyclictest3410136-21apt-get20:10:110
334865399251,21cyclictest0-21swapper/021:50:120
334865399250,24cyclictest3639318-21seq23:55:010
3348663992420,2cyclictest3547705-21apt-get22:25:123
3348663992420,2cyclictest3455839-21apt-get20:55:103
334866199242,20cyclictest3415230-21apt-get20:15:122
3348661992419,3cyclictest702-21runrttasks21:15:112
334866199241,2cyclictest3420301-21apt-get20:20:112
3348656992417,6cyclictest3460910-21apt-get21:00:131
3348656992416,1cyclictest0-21swapper/122:40:261
334865699241,20cyclictest3588327-21apt-get23:05:131
334865699241,20cyclictest3522278-21apt-get22:00:121
334865699240,23cyclictest3480994-21cron21:20:001
334865699240,20cyclictest64-21kcompactd000:32:171
334865699240,20cyclictest0-21swapper/100:00:111
3348653992419,3cyclictest3425856-21ps20:25:160
3348653992419,3cyclictest3425856-21ps20:25:160
334865399241,3cyclictest3548196-21irqcore22:25:170
334865399241,21cyclictest3660377-21apt-get00:15:130
334865399241,21cyclictest3481385-21grep21:20:010
334865399241,21cyclictest3464817-21/usr/sbin/munin21:00:210
334865399241,21cyclictest3420301-21apt-get20:20:120
334865399241,21cyclictest0-21swapper/021:40:250
334865399240,21cyclictest0-21swapper/019:55:110
3348663992319,3cyclictest3476684-21ps21:15:163
334866399231,20cyclictest3552751-21apt-get22:30:113
334866399230,3cyclictest3665095-21chrt00:18:523
334866399230,20cyclictest0-21swapper/323:10:023
334866399230,19cyclictest0-21swapper/322:20:123
334866199232,2cyclictest3435539-21apt-get20:35:102
3348661992318,3cyclictest3777322-21systemd-journal21:49:592
334866199231,2cyclictest0-21swapper/222:00:122
334866199231,20cyclictest3592273-21ntpq23:05:212
334866199230,3cyclictest3394637-21cron19:55:002
334865699234,7cyclictest3475935-21munin-run21:15:001
3348656992319,2cyclictest3394909-21apt-get19:55:111
3348656992318,4cyclictest0-21swapper/100:15:001
3348656992318,3cyclictest3777322-21systemd-journal23:35:001
3348656992318,3cyclictest3486791-21apt-get21:25:121
334865699231,2cyclictest3399973-21apt-get20:00:101
3348656992311,2cyclictest0-21swapper/119:35:111
334865699230,21cyclictest3482041-21cut21:20:151
334865699230,20cyclictest0-21swapper/123:50:111
334865699230,20cyclictest0-21swapper/119:40:121
334865699230,1cyclictest0-21swapper/122:45:131
334865699230,19cyclictest0-21swapper/119:10:101
3348653992320,2cyclictest3633316-21ntpq23:45:210
3348653992319,2cyclictest0-21swapper/023:05:130
3348653992319,2cyclictest0-21swapper/019:40:120
3348653992318,4cyclictest3370064-21ps19:30:180
3348653992318,3cyclictest3599032-21grep23:15:170
334865399231,2cyclictest0-21swapper/020:45:120
334865399231,21cyclictest0-21swapper/023:20:130
334865399231,20cyclictest3578216-21apt-get22:55:130
334865399231,20cyclictest3578216-21apt-get22:55:120
334865399231,20cyclictest3517208-21apt-get21:55:130
334865399231,20cyclictest0-21swapper/022:30:110
334865399230,21cyclictest3572841-21cron22:50:000
334865399230,21cyclictest0-21swapper/020:35:090
3348663992219,2cyclictest3680736-21apt-get00:35:133
3348663992219,2cyclictest3373922-21apt-get19:35:003
3348663992219,2cyclictest0-21swapper/323:25:013
3348663992219,1cyclictest3675668-21apt-get00:30:123
334866399221,19cyclictest0-21swapper/320:05:123
334866399220,3cyclictest3361208-21ps19:20:173
334866399220,19cyclictest0-21swapper/322:10:123
334866399220,19cyclictest0-21swapper/320:30:123
3348661992219,2cyclictest514-21in:imuxsock20:05:002
3348661992217,3cyclictest3777322-21systemd-journal23:35:002
3348661992217,3cyclictest3547430-21basename22:24:592
334866199221,2cyclictest3557817-21apt-get22:35:112
334866199221,2cyclictest0-21swapper/219:20:122
334866199221,20cyclictest0-21swapper/220:45:122
334866199221,19cyclictest3571937-21ntpq22:45:222
3348656992219,2cyclictest3389817-21apt-get19:50:121
3348656992218,3cyclictest64-21kcompactd023:28:191
3348656992218,3cyclictest3644371-21cron00:00:001
3348656992218,3cyclictest0-21swapper/122:10:131
334865699221,2cyclictest3556707-21ntpq22:30:211
334865699221,20cyclictest3654117-21ntpq00:05:211
3348653992219,2cyclictest3537564-21apt-get22:15:130
3348653992218,3cyclictest0-21swapper/019:50:120
3348653992218,2cyclictest0-21swapper/021:45:130
334865399221,2cyclictest3660118-21awk00:15:010
334865399221,2cyclictest0-21swapper/023:44:270
334865399221,2cyclictest0-21swapper/022:10:130
334865399220,2cyclictest0-21swapper/020:00:110
334865399220,21cyclictest0-21swapper/023:59:310
334865399220,21cyclictest0-21swapper/022:05:120
334865399220,21cyclictest0-21swapper/019:10:120
334865399220,20cyclictest0-21swapper/021:20:120
3348663992119,1cyclictest3384726-21apt-get19:45:133
3348663992119,1cyclictest0-21swapper/322:40:133
3348663992119,1cyclictest0-21swapper/321:05:143
3348663992119,1cyclictest0-21swapper/320:20:113
3348663992118,2cyclictest3348877-21apt-get19:10:113
3348663992118,1cyclictest3507069-21apt-get21:45:133
334866399211,1cyclictest0-21swapper/321:20:133
334866399210,2cyclictest3492321-21ps21:30:163
334866399210,2cyclictest3420025-21ls20:20:003
334866399210,19cyclictest3649544-21apt-config00:05:013
3348661992119,1cyclictest0-21swapper/222:55:132
3348661992119,1cyclictest0-21swapper/222:55:122
3348661992119,1cyclictest0-21swapper/200:20:122
3348661992118,1cyclictest3353665-21munin-run19:15:002
3348661992118,1cyclictest0-21swapper/200:30:412
3348661992117,2cyclictest0-21swapper/200:29:592
3348661992116,3cyclictest3680745-21taskset00:35:132
3348661992115,5cyclictest3548208-21tr22:25:172
334866199211,1cyclictest0-21swapper/223:03:032
334866199210,2cyclictest3593422-21chrt23:10:102
334866199210,20cyclictest64-21kcompactd019:48:592
334866199210,20cyclictest0-21swapper/221:10:212
334866199210,20cyclictest0-21swapper/200:10:092
334866199210,1cyclictest3373956-21apt-config19:35:002
334866199210,19cyclictest3613919-21cron23:30:002
3348656992119,1cyclictest0-21swapper/123:49:491
3348656992119,1cyclictest0-21swapper/121:55:131
3348656992119,1cyclictest0-21swapper/120:20:121
3348656992119,1cyclictest0-21swapper/100:15:131
3348656992117,4cyclictest0-21swapper/100:28:001
334865699210,19cyclictest3436026-21grep20:35:141
334865699210,19cyclictest0-21swapper/122:05:121
3348653992118,2cyclictest0-21swapper/023:25:120
3348653992118,2cyclictest0-21swapper/020:55:100
334865399210,2cyclictest0-21swapper/000:28:000
334865399210,20cyclictest64-21kcompactd022:51:140
334865399210,20cyclictest0-21swapper/023:35:190
334865399210,20cyclictest0-21swapper/023:00:100
334865399210,20cyclictest0-21swapper/020:16:560
334865399210,1cyclictest0-21swapper/020:30:120
3348663992018,1cyclictest0-21swapper/323:35:123
3348663992018,1cyclictest0-21swapper/321:50:133
3348663992018,1cyclictest0-21swapper/321:35:183
3348663992018,1cyclictest0-21swapper/320:50:133
3348663992018,1cyclictest0-21swapper/320:35:093
3348663992017,2cyclictest3532192-21idleruntime-cro22:10:003
3348663992017,1cyclictest0-21swapper/319:55:113
334866399200,3cyclictest3777322-21systemd-journal23:05:013
334866399200,1cyclictest64-21kcompactd020:44:213
334866399200,1cyclictest0-21swapper/323:40:123
334866399200,1cyclictest0-21swapper/322:55:123
334866399200,1cyclictest0-21swapper/322:55:123
334866399200,1cyclictest0-21swapper/321:10:123
334866399200,1cyclictest0-21swapper/300:25:203
334866399200,1cyclictest0-21swapper/300:05:133
334866399200,19cyclictest64-21kcompactd023:56:163
334866399200,19cyclictest0-21swapper/322:50:123
334866399200,19cyclictest0-21swapper/321:04:473
334866399200,18cyclictest0-21swapper/321:40:133
3348661992018,1cyclictest0-21swapper/221:42:252
3348661992018,1cyclictest0-21swapper/221:20:022
3348661992018,1cyclictest0-21swapper/220:55:002
3348661992018,1cyclictest0-21swapper/220:25:132
3348661992018,1cyclictest0-21swapper/220:25:122
3348661992018,1cyclictest0-21swapper/220:05:122
3348661992017,2cyclictest0-21swapper/223:40:122
3348661992017,2cyclictest0-21swapper/220:10:122
3348661992015,3cyclictest3379681-21taskset19:40:112
334866199200,1cyclictest64-21kcompactd023:35:522
334866199200,1cyclictest0-21swapper/223:55:132
334866199200,1cyclictest0-21swapper/223:45:132
334866199200,1cyclictest0-21swapper/222:40:292
334866199200,1cyclictest0-21swapper/219:25:112
334866199200,19cyclictest0-21swapper/222:30:112
334866199200,19cyclictest0-21swapper/222:14:082
334866199200,19cyclictest0-21swapper/220:55:112
334866199200,19cyclictest0-21swapper/220:31:272
3348656992018,1cyclictest0-21swapper/122:55:131
3348656992018,1cyclictest0-21swapper/122:55:121
334865699200,1cyclictest0-21swapper/123:40:111
334865699200,1cyclictest0-21swapper/123:15:131
334865699200,1cyclictest0-21swapper/122:15:121
334865699200,1cyclictest0-21swapper/121:45:131
334865699200,1cyclictest0-21swapper/121:05:131
334865699200,19cyclictest0-21swapper/120:30:231
3348653992016,2cyclictest3644648-21apt-get00:00:120
3348663991917,1cyclictest0-21swapper/322:35:123
3348663991917,1cyclictest0-21swapper/320:10:123
3348663991917,1cyclictest0-21swapper/320:00:113
3348663991917,1cyclictest0-21swapper/300:10:103
3348663991915,2cyclictest3598542-21apt-get23:15:143
334866399190,19cyclictest64-21kcompactd019:54:543
3348661991918,1cyclictest0-21swapper/221:05:522
3348661991917,1cyclictest0-21swapper/223:15:132
3348661991917,1cyclictest0-21swapper/219:35:102
3348656991918,1cyclictest64-21kcompactd023:35:191
3348656991916,2cyclictest3389534-21cron19:50:001
3348653991917,1cyclictest64-21kcompactd019:23:110
3348653991917,1cyclictest0-21swapper/022:35:110
3348653991917,1cyclictest0-21swapper/021:10:120
3348663991816,1cyclictest3567987-21apt-get22:45:133
3348663991815,1cyclictest0-21swapper/321:25:103
3348661991816,1cyclictest0-21swapper/223:50:112
3348661991816,1cyclictest0-21swapper/200:15:052
3348661991815,2cyclictest0-21swapper/221:25:122
3348661991814,3cyclictest3500597-21expr21:35:192
3348653991813,4cyclictest3654551-21/usr/sbin/munin00:05:260
3348663991715,1cyclictest0-21swapper/323:50:113
3348663991715,1cyclictest0-21swapper/321:55:123
3348661991715,1cyclictest0-21swapper/222:50:112
3348661991713,2cyclictest0-21swapper/221:55:122
3348656991714,2cyclictest0-21swapper/121:00:001
3348656991713,3cyclictest3369616-21sed19:30:181
3348663991615,1cyclictest0-21swapper/323:25:213
3348663991614,1cyclictest3425372-21apt-get20:25:123
3348663991614,1cyclictest3425372-21apt-get20:25:123
3348656991614,1cyclictest64-21kcompactd020:16:561
3348656991614,1cyclictest0-21swapper/122:35:111
3348656991613,2cyclictest3425860-21sed20:25:161
3348656991613,2cyclictest3425860-21sed20:25:161
3348653991613,2cyclictest0-21swapper/022:00:110
3348653991612,3cyclictest61650irq/133-enp0s29f1:rx-019:45:210
3348663991512,2cyclictest3592724-21unixbench_singl23:05:253
3348663991512,2cyclictest3526179-21ntp_kernel_err22:00:193
3348663991511,2cyclictest0-21swapper/320:45:173
3348661991513,1cyclictest0-21swapper/200:00:232
3348661991512,2cyclictest3655047-21turbostat.cron00:10:012
3348661991511,3cyclictest3491903-21cpuspeed_turbos21:30:132
3348656991512,2cyclictest0-21swapper/121:30:121
3348663991411,2cyclictest3666569-21kthreadcore00:20:173
3348661991412,1cyclictest0-21swapper/223:25:012
3348661991411,2cyclictest3440633-21apt-get20:40:102
3348661991410,2cyclictest0-21swapper/221:00:152
3348653991411,2cyclictest3685067-21unixbench_multi00:35:260
334866399139,2cyclictest0-21swapper/319:35:173
334866199138,3cyclictest3357819-21ntpq19:15:212
3348661991310,2cyclictest3541216-21kthreadcore22:15:192
3348661991310,2cyclictest0-21swapper/219:55:112
334865699139,2cyclictest0-21swapper/122:25:171
334865399139,3cyclictest61650irq/133-enp0s29f1:rx-022:20:110
334866399126,4cyclictest1-21systemd19:30:003
3348663991210,1cyclictest0-21swapper/319:42:003
334865399120,4cyclictest3348671-21cat19:10:010
334866399106,3cyclictest0-21swapper/319:15:163
33486569995,3cyclictest3348666-21cat19:10:011
33486639986,1cyclictest0-21swapper/319:10:013
33486619984,3cyclictest3348709-21cut19:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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