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2026-06-25 - 08:42
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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 Thu Jun 25, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3112720993315,8cyclictest0-21swapper/321:40:013
311272099330,30cyclictest3345028-21grep22:55:163
311272099321,11cyclictest3153240-21cron19:50:013
311272099320,31cyclictest3261957-21cron21:35:003
3112720993018,10cyclictest3184933-21sed20:20:173
311272099301,28cyclictest500-21dbus-daemon21:30:003
311272099301,26cyclictest0-21swapper/320:40:123
311272099300,28cyclictest3293950-21grep22:05:163
311272099298,14cyclictest0-21swapper/322:20:223
311272099289,10cyclictest3200123-21apt-key20:35:013
311272099281,8cyclictest0-21swapper/300:00:003
311272099281,7cyclictest0-21swapper/322:40:003
311272099281,25cyclictest3415130-21munin-run00:05:003
311272099281,23cyclictest3112947-21apt-get19:10:113
311272099281,13cyclictest3445659-21latency_hist00:35:013
311272099280,9cyclictest3424517-21wc00:10:233
311272099280,8cyclictest0-21swapper/320:10:203
311272099280,27cyclictest3201047-21ps20:35:163
311272099280,26cyclictest3399927-21cron23:50:003
311272099280,26cyclictest3399927-21cron23:50:003
311272099272,22cyclictest3435629-21apt-get00:25:113
311272099271,23cyclictest3359725-21apt-get23:10:123
311272099261,5cyclictest0-21swapper/320:56:253
311272099261,22cyclictest3179340-21apt-get20:15:143
311272099261,21cyclictest3133248-21apt-get19:30:133
311272099260,24cyclictest0-21swapper/323:20:093
311272099260,23cyclictest0-21swapper/320:50:123
311272099260,21cyclictest64-21kcompactd000:20:113
311272099260,14cyclictest3240075-21tr21:10:183
311272099260,13cyclictest3359514-21date23:10:003
311272099260,13cyclictest3164349-21tune2fs20:00:143
311272099252,3cyclictest3400200-21apt-get23:50:123
311272099251,21cyclictest3247073-21apt-get21:20:103
311272099250,23cyclictest3173961-21cron20:10:003
311272099250,22cyclictest3138319-21taskset19:35:123
311272099250,13cyclictest3161257-21kthreadcore19:55:173
311271099252,21cyclictest171ktimers/021:40:010
3112720992419,3cyclictest3390606-21sed23:40:163
3112720992419,3cyclictest3318791-21apt-get22:30:123
3112720992417,5cyclictest3190457-21irqstats20:25:143
3112720992416,5cyclictest3210733-21apt-get20:45:133
311272099241,20cyclictest0-21swapper/323:25:113
311272099241,20cyclictest0-21swapper/319:25:113
311272099241,20cyclictest0-21swapper/300:35:123
311272099241,20cyclictest0-21swapper/300:15:123
311272099240,23cyclictest0-21swapper/321:50:443
311272099240,22cyclictest3331563-21ps22:40:163
311272099240,21cyclictest0-21swapper/322:00:123
311272099240,20cyclictest0-21swapper/321:45:033
311272099240,12cyclictest3418380-21grep00:05:173
3112715992421,2cyclictest514-21in:imuxsock21:10:012
311271599241,22cyclictest3242029-21apt-get21:15:132
311271199242,21cyclictest3138316-21apt-get19:35:141
3112710992420,2cyclictest3395151-21apt-get23:45:120
3112710992420,2cyclictest3395151-21apt-get23:45:120
3112710992420,2cyclictest3169154-21apt-get20:05:120
311271099241,21cyclictest3128178-21apt-get19:25:110
311271099240,4cyclictest702-21runrttasks19:15:140
311271099240,22cyclictest3293205-21basename22:05:000
3112720992319,2cyclictest0-21swapper/319:50:123
311272099231,3cyclictest0-21swapper/321:55:123
311272099231,21cyclictest0-21swapper/322:25:173
311272099231,20cyclictest3246812-21turbostat21:20:003
311272099230,20cyclictest0-21swapper/322:15:133
311272099230,20cyclictest0-21swapper/319:40:053
311272099230,11cyclictest3232149-21cut21:05:133
3112715992321,1cyclictest0-21swapper/222:40:002
3112715992319,2cyclictest3184426-21apt-get20:20:132
311271599231,2cyclictest3200549-21apt-get20:35:122
311271599231,2cyclictest0-21swapper/200:25:162
311271599231,20cyclictest3334422-21apt-get22:45:102
311271599231,20cyclictest3257164-21apt-get21:30:112
311271599230,22cyclictest3278782-21irqcore21:50:162
3112711992320,2cyclictest3308685-21apt-get22:20:131
311271199231,21cyclictest3328624-21sh22:40:001
311271199231,21cyclictest3283367-21apt-get21:55:141
311271199231,21cyclictest3273219-21apt-get21:45:121
311271199231,20cyclictest3288417-21apt-get22:00:111
311271199230,21cyclictest3184153-21idleruntime-cro20:19:591
311271099232,20cyclictest3148428-21apt-get19:45:110
3112710992317,4cyclictest3359454-21sh23:10:000
311271099231,2cyclictest3214681-21ntpq20:45:210
311271099231,2cyclictest3174246-21apt-get20:10:110
3112720992219,1cyclictest0-21swapper/322:54:423
311272099220,12cyclictest3365847-21grep23:15:173
311271599221,19cyclictest0-21swapper/222:05:112
311271599220,2cyclictest3389862-21munin-run23:40:002
311271599220,19cyclictest0-21swapper/219:10:112
3112711992214,1cyclictest191rcu_preempt21:35:251
311271199221,19cyclictest0-21swapper/119:55:121
311271199220,2cyclictest3157037-21tr19:50:191
311271199220,21cyclictest64-21kcompactd022:15:261
311271199220,21cyclictest3251842-21cron21:25:001
311271199220,20cyclictest3777322-21systemd-journal21:19:591
311271199220,19cyclictest0-21swapper/122:05:121
311271199220,19cyclictest0-21swapper/120:35:121
311271099225,5cyclictest16-21ksoftirqd/019:10:010
3112710992219,2cyclictest3430598-21apt-get00:20:110
3112710992219,2cyclictest3143361-21apt-get19:40:110
3112710992219,2cyclictest211rcuc/023:15:120
3112710992216,5cyclictest3394236-21/usr/sbin/munin23:40:240
3112710992213,2cyclictest191rcu_preempt20:50:200
311271099221,20cyclictest3159040-21apt-get19:55:120
311271099220,3cyclictest3256319-21sshd21:25:230
311271099220,21cyclictest3343503-21ps22:50:240
3112720992119,1cyclictest0-21swapper/322:45:113
311272099210,20cyclictest0-21swapper/321:43:113
311272099210,10cyclictest3380881-21grep23:30:153
3112715992119,1cyclictest0-21swapper/222:55:122
3112715992119,1cyclictest0-21swapper/221:50:002
3112715992119,1cyclictest0-21swapper/219:53:002
3112715992118,2cyclictest391rcuc/223:00:162
3112715992118,2cyclictest3137528-21/usr/sbin/munin19:30:242
3112715992118,2cyclictest0-21swapper/219:35:142
3112715992118,2cyclictest0-21swapper/219:25:112
3112715992116,4cyclictest3118293-21tune2fs19:15:142
311271599211,19cyclictest0-21swapper/221:00:432
311271599211,19cyclictest0-21swapper/200:15:122
311271599210,20cyclictest3358809-21threads23:05:232
311271599210,20cyclictest3199895-21apt-key20:34:592
311271599210,1cyclictest0-21swapper/223:30:112
3112711992119,2cyclictest64-21kcompactd021:12:011
3112711992119,1cyclictest3354647-21apt-get23:05:111
3112711992119,1cyclictest0-21swapper/123:55:101
3112711992119,1cyclictest0-21swapper/100:20:121
3112711992118,2cyclictest3399937-21sh23:50:001
3112711992118,2cyclictest3399937-21sh23:49:591
3112711992118,2cyclictest3389872-21idleruntime-cro23:40:001
3112711992118,1cyclictest3298529-21apt-get22:10:131
311271199211,18cyclictest0-21swapper/121:50:121
311271199210,20cyclictest64-21kcompactd000:31:281
311271199210,20cyclictest3230638-21grep21:00:181
311271199210,20cyclictest3112950-21taskset19:10:111
311271199210,20cyclictest301rcuc/119:35:001
311271199210,20cyclictest0-21swapper/122:34:151
3112710992120,1cyclictest0-21swapper/022:10:120
3112710992119,1cyclictest64-21kcompactd000:07:490
3112710992119,1cyclictest0-21swapper/020:34:550
3112710992118,2cyclictest3360226-21tr23:10:160
3112710992118,2cyclictest3204473-21ntpq20:35:210
311271099210,20cyclictest0-21swapper/021:50:120
311271099210,19cyclictest3369833-21apt-get23:20:100
3112720992018,1cyclictest3226807-21apt-get21:00:123
3112720992017,2cyclictest0-21swapper/319:24:293
311272099200,8cyclictest0-21swapper/323:00:183
311272099200,1cyclictest0-21swapper/322:14:543
311272099200,10cyclictest3389132-21gzip23:35:233
3112715992019,1cyclictest64-21kcompactd020:59:392
3112715992018,1cyclictest64-21kcompactd023:15:402
3112715992018,1cyclictest64-21kcompactd020:52:082
3112715992018,1cyclictest64-21kcompactd020:19:192
3112715992018,1cyclictest3445799-21apt-get00:35:112
3112715992018,1cyclictest0-21swapper/223:10:122
3112715992018,1cyclictest0-21swapper/220:40:122
3112715992018,1cyclictest0-21swapper/219:40:122
3112715992018,1cyclictest0-21swapper/200:10:122
311271599200,1cyclictest0-21swapper/223:45:122
311271599200,1cyclictest0-21swapper/223:45:122
311271599200,1cyclictest0-21swapper/222:20:122
311271599200,1cyclictest0-21swapper/200:34:572
311271599200,1cyclictest0-21swapper/200:20:112
311271599200,19cyclictest3410026-21dpkg-db-backup23:59:592
311271599200,19cyclictest0-21swapper/222:50:142
311271599200,19cyclictest0-21swapper/222:03:052
311271599200,19cyclictest0-21swapper/221:35:252
311271599200,19cyclictest0-21swapper/221:10:112
311271599200,19cyclictest0-21swapper/220:45:122
311271599200,19cyclictest0-21swapper/220:00:122
3112711992018,1cyclictest64-21kcompactd021:09:521
3112711992018,1cyclictest3256329-21timerwakeupswit21:25:231
3112711992018,1cyclictest0-21swapper/119:15:531
3112711992018,1cyclictest0-21swapper/100:35:211
3112711992017,2cyclictest3216251-21taskset20:50:131
3112711992017,2cyclictest3214709-21ntpq20:45:221
311271199200,1cyclictest0-21swapper/123:33:561
311271199200,1cyclictest0-21swapper/120:10:111
311271199200,1cyclictest0-21swapper/100:25:111
311271199200,1cyclictest0-21swapper/100:14:481
311271199200,19cyclictest64-21kcompactd023:02:451
311271199200,19cyclictest0-21swapper/123:19:571
311271199200,19cyclictest0-21swapper/122:45:101
311271199200,19cyclictest0-21swapper/120:42:591
3112710992019,1cyclictest0-21swapper/021:20:000
3112710992018,1cyclictest64-21kcompactd023:50:370
3112710992018,1cyclictest0-21swapper/022:20:120
3112710992018,1cyclictest0-21swapper/020:00:210
3112710992017,2cyclictest1-21systemd00:35:000
3112710992017,1cyclictest0-21swapper/023:00:110
3112710992016,3cyclictest3261959-21sh21:34:590
311271099200,1cyclictest3271811-21/usr/sbin/munin21:40:240
311271099200,1cyclictest0-21swapper/023:40:000
311271099200,1cyclictest0-21swapper/021:55:140
311271099200,1cyclictest0-21swapper/020:20:130
311271099200,1cyclictest0-21swapper/020:15:120
311271099200,1cyclictest0-21swapper/019:35:140
311271099200,1cyclictest0-21swapper/019:10:110
311271099200,1cyclictest0-21swapper/000:37:230
311271099200,19cyclictest0-21swapper/022:40:020
311271099200,19cyclictest0-21swapper/021:20:100
311271099200,19cyclictest0-21swapper/000:25:010
311271099200,19cyclictest0-21swapper/000:10:110
311271599195,9cyclictest3288161-21munin-plugin-st22:00:012
3112715991918,1cyclictest64-21kcompactd021:22:142
3112715991917,1cyclictest3158338-21apt-get19:55:022
3112715991917,1cyclictest0-21swapper/223:50:112
3112715991917,1cyclictest0-21swapper/222:10:122
3112715991917,1cyclictest0-21swapper/221:40:022
311271599190,1cyclictest0-21swapper/220:10:122
311271199194,7cyclictest3777322-21systemd-journal20:25:001
3112711991917,1cyclictest3415387-21apt-get00:05:101
3112711991917,1cyclictest3344528-21apt-get22:55:121
3112711991917,1cyclictest3133006-21systemd-run19:30:001
3112711991917,1cyclictest0-21swapper/123:50:121
3112711991917,1cyclictest0-21swapper/119:40:111
3112711991917,1cyclictest0-21swapper/100:15:121
3112711991916,2cyclictest3339477-21apt-get22:50:131
311271199190,2cyclictest3272671-21dpkg21:45:011
311271199190,1cyclictest0-21swapper/123:14:031
311271199190,1cyclictest0-21swapper/120:55:091
311271199190,1cyclictest0-21swapper/119:48:411
3112710991917,1cyclictest3236971-21apt-get21:10:120
3112710991917,1cyclictest0-21swapper/022:29:580
3112710991916,2cyclictest3411265-21kthreadcore00:00:170
3112710991916,2cyclictest3374888-21apt-get23:25:110
3112710991916,1cyclictest3189538-21apt-get20:25:100
3112710991915,2cyclictest3293452-21apt-get22:05:110
3112710991912,1cyclictest191rcu_preempt20:55:160
3112710991911,1cyclictest191rcu_preempt23:30:140
311271099190,1cyclictest0-21swapper/022:30:160
311271099190,19cyclictest0-21swapper/020:42:270
311271099190,18cyclictest0-21swapper/023:56:310
311271599187,1cyclictest191rcu_preempt23:25:162
3112715991816,1cyclictest0-21swapper/223:20:182
3112715991816,1cyclictest0-21swapper/222:40:152
311271599180,17cyclictest3148927-21grep19:45:152
3112711991816,1cyclictest3378803-21ntpq23:25:191
3112711991816,1cyclictest0-21swapper/123:20:101
3112711991816,1cyclictest0-21swapper/121:30:111
3112711991816,1cyclictest0-21swapper/120:30:121
3112710991816,1cyclictest0-21swapper/022:35:200
3112710991816,1cyclictest0-21swapper/021:05:200
3112710991816,1cyclictest0-21swapper/021:03:240
3112710991816,1cyclictest0-21swapper/019:20:110
3112710991814,3cyclictest61650irq/133-enp0s29f1:rx-019:50:120
3112720991712,3cyclictest3121896-21sed19:15:213
311272099170,15cyclictest3112662-21latency_hist19:10:003
3112715991715,1cyclictest3323595-21munin-run22:35:002
3112715991714,2cyclictest3256320-21/usr/sbin/munin21:25:222
3112715991714,2cyclictest3174007-21wc20:10:002
3112715991713,3cyclictest3412545-21sed00:00:182
311271199173,2cyclictest3411826-21cut00:00:181
3112711991714,2cyclictest3314052-21gltestperf22:25:151
3112711991714,2cyclictest0-21swapper/120:29:591
3112711991710,2cyclictest191rcu_preempt23:40:131
311271099175,2cyclictest0-21swapper/022:45:230
3112710991714,2cyclictest62450irq/134-enp0s29f1:tx-022:55:190
3112710991714,2cyclictest0-21swapper/021:45:120
3112710991712,3cyclictest61650irq/133-enp0s29f1:rx-000:15:120
3112715991615,1cyclictest0-21swapper/222:25:122
3112711991614,1cyclictest0-21swapper/122:40:101
3112711991614,1cyclictest0-21swapper/120:00:121
311271199160,4cyclictest31741541latency_hist20:10:011
311271099168,2cyclictest191rcu_preempt19:35:000
3112710991614,1cyclictest0-21swapper/022:17:030
311271599152,5cyclictest31896621cpuspeed_turbos20:25:102
3112715991512,2cyclictest3416339-21tr00:05:162
3112715991512,2cyclictest0-21swapper/222:20:012
311271599141,2cyclictest191rcu_preempt23:40:242
311271599139,2cyclictest3123376-21gltestperf19:20:132
3112711991310,2cyclictest3123586-21tr19:20:161
311271199129,2cyclictest0-21swapper/119:10:011
31127159990,1cyclictest191rcu_preempt19:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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