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2026-08-12 - 14:18
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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 Aug 12, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
313439099348,25cyclictest0-21swapper/123:00:001
313439099331,4cyclictest3777322-21systemd-journal21:50:001
313439699321,23cyclictest3185868-21irqcore20:00:203
313439699301,20cyclictest0-21swapper/300:15:143
313439699300,22cyclictest3419825-21cron23:50:003
3134390993020,8cyclictest3144742-21apt-get19:20:121
313439699291,2cyclictest3307551-21apt-get22:00:143
3134393992926,2cyclictest3230886-21apt-key20:45:012
313439099292,18cyclictest3460592-21cron00:29:591
313439699282,21cyclictest3256842-21apt-get21:10:133
313439699281,6cyclictest3195228-21basename20:10:003
313439699280,20cyclictest0-21swapper/319:20:133
3134390992817,10cyclictest3419853-21idleruntime-cro23:49:591
313439099280,2cyclictest3332687-21basename22:25:011
3134396992718,2cyclictest3237040-21irqcore20:50:163
313439399272,21cyclictest3215822-21apt-get20:30:132
313439399271,22cyclictest3236537-21apt-get20:50:132
313439399271,21cyclictest0-21swapper/223:25:122
313439099272,2cyclictest3394663-21apt-get23:25:121
3134390992716,10cyclictest3259066-21sort21:10:191
313439699261,21cyclictest3389594-21chrt23:20:113
313439699261,21cyclictest0-21swapper/322:05:123
313439699260,23cyclictest3384220-21apt-config23:15:013
313439399261,5cyclictest3777322-21systemd-journal21:35:002
313439399261,22cyclictest3292727-21sshd21:45:142
3134390992619,5cyclictest3287275-21apt-get21:40:121
3134390992619,5cyclictest3180272-21apt-get19:55:131
3134390992618,7cyclictest3465660-21cron00:34:591
313439099261,2cyclictest3430337-21apt-get00:00:131
313439099261,20cyclictest3409922-21apt-get23:40:141
313439699251,4cyclictest3358346-21cat22:50:013
313439399252,2cyclictest3445497-21apt-get00:15:132
313439399252,20cyclictest0-21swapper/220:10:182
313439399251,22cyclictest3777322-21systemd-journal19:49:592
313439399251,21cyclictest0-21swapper/221:25:132
313439399251,20cyclictest3420104-21apt-get23:50:132
313439399251,20cyclictest3332933-21apt-get22:25:092
313439399251,20cyclictest0-21swapper/219:30:122
313439099251,20cyclictest3384500-21apt-get23:15:121
313439099250,22cyclictest3358710-21apt-get22:50:131
3134387992520,3cyclictest3292344-21apt-get21:45:120
313438799251,22cyclictest3777322-21systemd-journal22:25:010
3134396992419,1cyclictest0-21swapper/323:05:333
3134396992419,1cyclictest0-21swapper/300:00:143
313439699241,3cyclictest3460875-21apt-get00:30:123
313439699241,2cyclictest3134603-21apt-get19:10:113
313439699241,20cyclictest0-21swapper/319:30:123
313439699240,23cyclictest3230854-21apt-config20:45:013
3134393992420,2cyclictest3440426-21apt-get00:10:112
3134393992420,2cyclictest3384500-21apt-get23:15:122
313439399241,21cyclictest3470723-21munin-run00:40:002
313439399241,21cyclictest3154625-21cron19:30:002
313439399241,20cyclictest0-21swapper/223:55:142
313439099241,20cyclictest3353214-21apt-get22:45:111
313439099241,20cyclictest3170106-21apt-get19:45:121
313439099240,1cyclictest0-21swapper/120:23:451
3134387992420,2cyclictest3363779-21apt-get22:55:110
313438799240,23cyclictest64-21kcompactd022:35:280
313438799240,20cyclictest0-21swapper/023:50:130
313439699231,19cyclictest0-21swapper/321:50:103
313439699230,22cyclictest3362552-21strings22:50:203
313439699230,20cyclictest0-21swapper/320:45:153
313439699230,20cyclictest0-21swapper/319:25:123
313439699230,20cyclictest0-21swapper/300:25:113
313439699230,20cyclictest0-21swapper/300:20:133
313439699230,20cyclictest0-21swapper/300:05:163
3134393992321,1cyclictest3383825-21turbostat23:15:002
3134393992319,2cyclictest3190462-21apt-get20:05:192
3134393992319,2cyclictest3165038-21apt-get19:40:122
3134393992318,4cyclictest3450815-21fschecks_count00:20:152
3134393992317,4cyclictest3327874-21taskset22:20:112
313439399231,3cyclictest0-21swapper/222:55:112
313439399231,2cyclictest3342771-21cron22:35:002
313439399231,2cyclictest0-21swapper/221:35:132
313439399231,2cyclictest0-21swapper/220:25:132
313439399231,21cyclictest0-21swapper/221:55:212
313439399230,20cyclictest0-21swapper/223:05:142
313439399230,20cyclictest0-21swapper/223:00:102
313439399230,20cyclictest0-21swapper/220:35:142
313439399230,19cyclictest0-21swapper/219:35:122
313439399230,19cyclictest0-21swapper/219:35:112
3134390992319,2cyclictest3348121-21apt-get22:40:101
3134390992319,2cyclictest3241611-21apt-get20:55:131
3134390992319,2cyclictest3149810-21apt-get19:25:121
3134390992318,3cyclictest0-21swapper/122:15:131
3134390992313,4cyclictest3373684-21cron23:05:001
313439099231,2cyclictest3225997-21apt-get20:40:101
313439099230,22cyclictest3211190-21irqcore20:25:171
313439099230,21cyclictest0-21swapper/123:10:131
313439099230,20cyclictest3261909-21apt-get21:15:121
313439099230,19cyclictest0-21swapper/121:30:131
313439099230,19cyclictest0-21swapper/120:05:201
313438799231,21cyclictest3404828-21apt-get23:35:120
313438799231,20cyclictest3251771-21apt-get21:05:140
3134396992219,1cyclictest0-21swapper/319:45:123
3134396992218,3cyclictest3347846-21cron22:40:003
3134396992218,2cyclictest3160457-21irqcore19:35:173
3134396992218,2cyclictest3160457-21irqcore19:35:173
3134396992218,2cyclictest0-21swapper/323:40:143
3134396992217,2cyclictest3405331-21sed23:35:163
313439699220,2cyclictest0-21swapper/319:15:133
313439699220,21cyclictest64-21kcompactd021:41:093
313439699220,20cyclictest64-21kcompactd020:26:583
313439699220,20cyclictest0-21swapper/321:30:133
313439699220,19cyclictest0-21swapper/321:20:113
3134393992219,2cyclictest0-21swapper/221:15:122
3134393992219,1cyclictest0-21swapper/223:45:132
3134393992219,1cyclictest0-21swapper/219:55:132
3134393992218,2cyclictest3777322-21systemd-journal00:29:372
3134393992218,2cyclictest0-21swapper/221:20:152
3134393992217,3cyclictest3777322-21systemd-journal22:20:002
313439399221,20cyclictest0-21swapper/220:55:172
313439399221,20cyclictest0-21swapper/220:04:222
313439399220,2cyclictest3343555-21grep22:35:182
313439399220,2cyclictest0-21swapper/220:20:132
313439399220,20cyclictest0-21swapper/222:00:132
313439399220,20cyclictest0-21swapper/200:00:222
313439399220,19cyclictest0-21swapper/223:30:112
3134390992219,2cyclictest3312380-21idleruntime-cro22:05:001
3134390992217,3cyclictest0-21swapper/120:30:131
313439099221,2cyclictest3235406-21ntpq20:45:221
3134390992212,9cyclictest0-21swapper/120:20:001
3134387992219,2cyclictest3440909-21ps00:10:160
3134387992219,2cyclictest3272073-21apt-get21:25:130
313438799221,2cyclictest3399754-21apt-get23:30:110
313438799221,2cyclictest3373964-21apt-get23:05:140
313438799221,20cyclictest64-21kcompactd022:25:140
313438799220,2cyclictest3379008-21apt-get23:10:130
313438799220,21cyclictest3777322-21systemd-journal23:05:000
3134396992119,1cyclictest0-21swapper/320:15:133
3134396992118,1cyclictest0-21swapper/319:50:103
3134396992117,2cyclictest3333843-21irqcore22:25:143
3134396992116,4cyclictest3385000-21ps23:15:173
313439699210,20cyclictest0-21swapper/323:29:123
313439699210,20cyclictest0-21swapper/321:46:013
313439699210,20cyclictest0-21swapper/320:20:133
313439699210,20cyclictest0-21swapper/319:40:443
313439699210,1cyclictest0-21swapper/320:10:143
313439699210,18cyclictest0-21swapper/322:10:113
3134393992119,1cyclictest0-21swapper/221:05:132
3134393992119,1cyclictest0-21swapper/221:02:272
3134393992119,1cyclictest0-21swapper/220:16:452
3134393992118,2cyclictest64-21kcompactd023:39:592
3134393992118,1cyclictest3317731-21apt-get22:10:102
3134393992117,2cyclictest3302224-21munin-run21:55:002
3134393992117,2cyclictest0-21swapper/219:20:122
313439399210,2cyclictest0-21swapper/219:16:332
313439399210,1cyclictest0-21swapper/222:40:102
3134390992119,1cyclictest0-21swapper/122:25:101
3134390992119,1cyclictest0-21swapper/120:03:511
3134390992119,1cyclictest0-21swapper/100:05:201
3134390992115,5cyclictest3237484-21ps20:50:171
313439099211,1cyclictest3373964-21apt-get23:05:141
313439099210,20cyclictest0-21swapper/121:56:451
313439099210,1cyclictest0-21swapper/119:15:131
313439099210,18cyclictest0-21swapper/123:20:111
3134387992119,1cyclictest64-21kcompactd023:59:200
3134387992119,1cyclictest3302481-21apt-get21:55:120
3134387992119,1cyclictest0-21swapper/020:40:100
3134387992119,1cyclictest0-21swapper/019:50:100
3134387992119,1cyclictest0-21swapper/000:05:160
3134387992117,3cyclictest3180765-21/usr/sbin/munin19:55:170
313438799210,2cyclictest0-21swapper/019:35:120
313438799210,2cyclictest0-21swapper/019:35:120
313438799210,20cyclictest0-21swapper/020:10:140
313438799210,20cyclictest0-21swapper/019:30:120
313438799210,20cyclictest0-21swapper/019:15:120
313438799210,1cyclictest3455750-21apt-get00:25:130
313438799210,1cyclictest0-21swapper/022:45:110
3134396992018,1cyclictest0-21swapper/323:58:463
3134396992018,1cyclictest0-21swapper/322:33:193
3134396992018,1cyclictest0-21swapper/322:15:193
313439699200,1cyclictest0-21swapper/323:00:113
313439699200,1cyclictest0-21swapper/322:20:243
313439699200,1cyclictest0-21swapper/319:55:143
313439699200,19cyclictest0-21swapper/320:30:183
3134393992018,1cyclictest0-21swapper/223:20:112
313439399200,1cyclictest0-21swapper/222:05:162
313439399200,1cyclictest0-21swapper/220:45:132
313439399200,19cyclictest3260787-21ntpq21:10:222
313439399200,19cyclictest0-21swapper/219:54:112
3134390992018,1cyclictest3317478-21awk22:10:011
3134390992017,2cyclictest3271797-21awk21:25:001
3134390992014,5cyclictest0-21swapper/122:35:131
3134390992014,4cyclictest0-21swapper/121:55:001
3134390992010,9cyclictest3445214-21cron00:14:591
313439099200,1cyclictest0-21swapper/122:30:131
313439099200,1cyclictest0-21swapper/122:10:111
313439099200,1cyclictest0-21swapper/119:36:581
313439099200,1cyclictest0-21swapper/119:36:581
3134387992019,1cyclictest0-21swapper/021:50:210
3134387992019,1cyclictest0-21swapper/021:35:140
3134387992018,1cyclictest0-21swapper/023:40:130
3134387992018,1cyclictest0-21swapper/022:00:130
3134387992018,1cyclictest0-21swapper/021:15:120
3134387992018,1cyclictest0-21swapper/021:14:170
3134387992018,1cyclictest0-21swapper/020:01:100
3134387992018,1cyclictest0-21swapper/000:35:140
3134387992018,1cyclictest0-21swapper/000:00:120
3134387992017,2cyclictest702-21runrttasks00:18:540
3134387992017,2cyclictest3165041-21seq19:40:120
3134387992016,2cyclictest3144742-21apt-get19:20:120
313438799200,1cyclictest3251489-21cron21:04:590
313438799200,1cyclictest0-21swapper/023:45:230
313438799200,1cyclictest0-21swapper/020:20:130
313438799200,19cyclictest3322802-21apt-get22:15:130
313438799200,19cyclictest3312884-21tune2fs22:05:150
313438799200,19cyclictest0-21swapper/020:55:120
313438799200,19cyclictest0-21swapper/020:52:140
3134396991918,1cyclictest0-21swapper/321:29:523
3134396991917,1cyclictest0-21swapper/320:55:133
3134396991916,1cyclictest0-21swapper/322:40:103
3134396991915,2cyclictest0-21swapper/321:35:123
313439399190,1cyclictest0-21swapper/200:30:162
313439099198,10cyclictest3179513-21unixbench_multi19:50:221
3134390991917,1cyclictest0-21swapper/121:29:521
3134390991917,1cyclictest0-21swapper/119:10:111
3134390991913,5cyclictest3404578-21munin-run23:35:001
313439099190,19cyclictest0-21swapper/121:37:231
3134387991917,1cyclictest3338505-21ps22:30:170
3134387991917,1cyclictest0-21swapper/022:40:100
3134387991916,2cyclictest3281932-21cron21:35:000
313438799191,17cyclictest3450637-21apt-get00:20:130
313438799190,1cyclictest0-21swapper/000:32:060
3134396991812,3cyclictest0-21swapper/300:40:003
3134393991816,1cyclictest0-21swapper/219:10:202
3134390991816,1cyclictest0-21swapper/100:20:131
3134390991815,1cyclictest3425198-21apt-get23:55:131
3134390991815,1cyclictest3154901-21apt-get19:30:121
3134390991813,3cyclictest0-21swapper/100:15:131
313439099181,15cyclictest3251508-21latency_hist21:05:001
313439099180,7cyclictest3424923-21idleruntime-cro23:55:001
313439099180,5cyclictest3256625-21cat21:10:001
3134387991817,0cyclictest0-21swapper/019:25:120
3134387991816,1cyclictest3321716-21ntpq22:10:210
3134387991816,1cyclictest3221863-21ps20:35:200
3134387991816,1cyclictest0-21swapper/022:50:140
3134387991814,2cyclictest3267497-21tr21:20:200
313438799180,17cyclictest0-21swapper/023:25:160
3134396991712,3cyclictest3302547-21cpuspeed_turbos21:55:123
313439399171,5cyclictest0-21swapper/222:50:192
313439099179,7cyclictest3224747-21needreboot20:35:221
3134390991715,1cyclictest3199380-21ntpq20:10:221
3134390991715,1cyclictest0-21swapper/123:35:121
3134387991715,1cyclictest3218055-21ps20:30:190
3134387991715,1cyclictest0-21swapper/023:15:120
3134387991713,2cyclictest3139416-21cron19:15:000
3134396991614,1cyclictest0-21swapper/323:51:483
3134396991611,3cyclictest0-21swapper/300:10:143
3134393991613,2cyclictest3435875-21cut00:05:202
3134393991613,2cyclictest0-21swapper/222:45:122
313439099168,6cyclictest3134310-21latency_hist19:09:591
3134387991613,2cyclictest61650irq/133-enp0s29f1:rx-020:17:550
3134387991613,2cyclictest3210708-21apt-get20:25:130
3134387991612,2cyclictest3389591-21apt-get23:20:120
3134396991513,1cyclictest0-21swapper/321:06:133
3134396991511,3cyclictest3363844-21cpuspeed_turbos22:55:123
3134393991512,2cyclictest0-21swapper/221:43:512
3134393991510,3cyclictest3414753-21munin-plugin-st23:44:592
3134387991513,1cyclictest0-21swapper/021:40:120
3134387991513,1cyclictest0-21swapper/019:45:120
3134387991512,2cyclictest61650irq/133-enp0s29f1:rx-020:05:190
3134387991512,2cyclictest0-21swapper/020:45:190
313439699149,3cyclictest3246768-21cpuspeed_turbos21:00:153
3134396991410,3cyclictest3401978-21kthreadcore23:30:183
3134396991410,2cyclictest0-21swapper/320:35:283
3134390991411,2cyclictest0-21swapper/119:40:131
313439399131,3cyclictest3134310-21latency_hist19:09:592
313439699110,3cyclictest0-21swapper/321:15:123
31343879991,6cyclictest3134391-21cat19:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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