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2026-06-02 - 05:52
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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 Tue Jun 02, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
372871799282,22cyclictest4029565-21apt-get00:05:113
372871799274,20cyclictest0-21swapper/319:50:173
3728715992723,2cyclictest4044425-21idleruntime-cro00:20:012
372871099262,3cyclictest4054811-21apt-get00:30:121
372871099262,21cyclictest3764824-21apt-get19:45:141
3728710992615,3cyclictest191rcu_preempt21:05:141
3728717992521,2cyclictest3876536-21apt-get21:35:123
372871599252,20cyclictest3785040-21apt-get20:05:112
3728710992519,5cyclictest4049479-21sh00:25:011
372871099251,3cyclictest3942054-21munin-run22:40:001
372871099251,21cyclictest0-21swapper/122:45:131
372871099250,5cyclictest3967700-21ls23:05:001
372870799251,22cyclictest3744138-21apt-get19:25:110
372870799250,23cyclictest4060387-21ps00:35:160
372871799240,20cyclictest0-21swapper/323:10:133
372871599242,20cyclictest4019429-21apt-get23:55:122
372871599241,21cyclictest3984029-21apt-get23:20:112
372871599240,22cyclictest3754443-21idleruntime-cro19:35:002
372871099242,2cyclictest3810316-21apt-get20:30:131
3728710992420,3cyclictest0-21swapper/100:10:231
372871099241,21cyclictest3754717-21apt-get19:35:131
372871099241,21cyclictest0-21swapper/120:05:111
372871099241,21cyclictest0-21swapper/119:55:121
372870799241,21cyclictest3759793-21apt-get19:40:130
3728717992320,2cyclictest0-21swapper/320:15:003
3728717992319,2cyclictest0-21swapper/322:35:123
3728717992319,2cyclictest0-21swapper/300:35:013
3728717992318,4cyclictest3931861-21cron22:29:593
3728717992318,3cyclictest4044404-21cron00:20:013
3728717992317,5cyclictest3900946-21ls21:55:243
372871799231,2cyclictest4024488-21apt-get00:00:123
372871799231,2cyclictest3886669-21apt-get21:45:133
372871799231,2cyclictest3748035-21ntpq19:25:193
372871799230,4cyclictest3777322-21systemd-journal23:50:003
372871799230,22cyclictest4018306-21taskset23:50:223
372871799230,20cyclictest0-21swapper/320:05:113
372871799230,20cyclictest0-21swapper/300:20:123
372871799230,19cyclictest0-21swapper/322:10:103
3728715992320,2cyclictest3815392-21apt-get20:35:122
3728715992316,5cyclictest3790603-21grep20:10:152
372871599231,2cyclictest4054811-21apt-get00:30:122
372871599231,20cyclictest4044682-21apt-get00:20:122
3728710992320,2cyclictest301rcuc/123:15:141
3728710992320,2cyclictest301rcuc/120:55:001
3728710992319,3cyclictest3957488-21apt-get22:55:111
3728710992319,3cyclictest3795665-21sort20:15:171
3728710992319,2cyclictest64-21kcompactd019:44:591
3728710992319,2cyclictest3911942-21apt-get22:10:111
372871099231,3cyclictest0-21swapper/122:05:121
372871099231,2cyclictest4059903-21apt-get00:35:111
372871099231,21cyclictest32-21ksoftirqd/123:25:121
372871099231,21cyclictest0-21swapper/120:35:121
372871099230,22cyclictest3922530-21grep22:20:181
372871099230,21cyclictest0-21swapper/123:50:131
3728707992320,2cyclictest3769877-21apt-get19:50:130
3728707992319,2cyclictest3952442-21apt-get22:50:130
372870799231,2cyclictest3855249-21ntpq21:10:210
372870799231,21cyclictest3774928-21apt-get19:55:120
372870799231,20cyclictest4014375-21apt-get23:50:130
372870799231,20cyclictest3999215-21apt-get23:35:130
372870799231,20cyclictest3754717-21apt-get19:35:120
3728717992219,2cyclictest0-21swapper/322:55:113
3728717992219,1cyclictest3830548-21apt-get20:50:113
3728717992219,1cyclictest0-21swapper/300:10:133
372871799221,20cyclictest3989108-21apt-get23:25:123
372871799221,1cyclictest0-21swapper/322:40:123
372871799220,21cyclictest3963428-21sed23:00:153
372871799220,21cyclictest3826018-21ps20:45:183
372871799220,19cyclictest0-21swapper/323:20:113
372871799220,19cyclictest0-21swapper/322:00:123
372871799220,19cyclictest0-21swapper/319:55:123
372871799220,19cyclictest0-21swapper/319:40:133
3728715992218,3cyclictest3743891-21basename19:25:002
3728715992217,3cyclictest0-21swapper/200:05:012
372871599221,2cyclictest4034620-21apt-get00:10:122
372871599221,20cyclictest3734004-21apt-get19:15:112
372871599220,2cyclictest3882085-21ps21:40:162
372871599220,2cyclictest3777322-21systemd-journal20:25:002
372871599220,20cyclictest3977357-21ntpq23:10:212
372871599220,20cyclictest0-21swapper/200:25:132
3728710992219,2cyclictest3881589-21apt-get21:40:111
3728710992219,2cyclictest0-21swapper/123:20:111
3728710992219,2cyclictest0-21swapper/121:35:121
3728710992219,2cyclictest0-21swapper/120:20:121
3728710992219,2cyclictest0-21swapper/120:00:131
3728710992218,3cyclictest3978382-21rm23:15:001
3728710992218,2cyclictest3916997-21apt-get22:15:131
3728710992218,2cyclictest0-21swapper/122:40:121
372871099221,2cyclictest0-21swapper/122:00:121
372871099221,20cyclictest0-21swapper/120:40:131
372871099221,20cyclictest0-21swapper/100:00:011
372871099220,2cyclictest3887152-21ps21:45:181
372871099220,2cyclictest0-21swapper/122:25:131
372871099220,21cyclictest0-21swapper/100:05:121
372871099220,20cyclictest3805258-21apt-get20:25:091
372871099220,20cyclictest0-21swapper/120:10:111
372871099220,1cyclictest3841106-21apt-get21:00:121
372870799221,1cyclictest3968398-21apt-get23:05:130
372870799221,1cyclictest3891742-21apt-get21:50:130
372870799220,3cyclictest3824326-21/usr/sbin/munin20:40:220
372870799220,2cyclictest3963230-21gltestperf23:00:140
372870799220,21cyclictest3962288-21apt-config22:59:590
372870799220,20cyclictest4059479-21sshd00:33:200
3728717992119,1cyclictest0-21swapper/322:54:463
3728717992119,1cyclictest0-21swapper/321:10:113
3728717992117,2cyclictest3947368-21apt-get22:45:133
3728717992116,4cyclictest3815118-21idleruntime-cro20:35:013
372871799210,2cyclictest3922031-21apt-get22:20:123
372871799210,20cyclictest64-21kcompactd020:38:453
372871799210,20cyclictest4024232-21turbostat00:00:003
372871799210,20cyclictest0-21swapper/320:59:113
3728715992119,1cyclictest0-21swapper/223:40:102
3728715992119,1cyclictest0-21swapper/219:55:122
3728715992118,1cyclictest0-21swapper/219:25:102
3728715992117,2cyclictest3983755-21cron23:20:002
372871599210,20cyclictest3901540-21idleruntime-cro22:00:002
372871599210,20cyclictest3866946-21ps21:25:162
372871599210,20cyclictest0-21swapper/200:05:122
372871599210,19cyclictest0-21swapper/219:50:122
3728710992119,1cyclictest0-21swapper/123:50:011
3728710992119,1cyclictest0-21swapper/119:21:201
3728710992118,2cyclictest0-21swapper/120:45:141
3728710992117,3cyclictest0-21swapper/123:30:121
372871099210,2cyclictest0-21swapper/119:10:111
372871099210,20cyclictest0-21swapper/122:50:131
372871099210,1cyclictest3851265-21apt-get21:10:121
372871099210,1cyclictest0-21swapper/119:26:431
3728707992119,1cyclictest0-21swapper/023:42:050
3728707992119,1cyclictest0-21swapper/000:10:130
3728707992119,1cyclictest0-21swapper/000:00:110
3728707992118,2cyclictest3973943-21cut23:10:170
3728707992118,2cyclictest3728929-21apt-get19:10:120
3728707992118,2cyclictest1-21systemd20:20:010
3728707992117,3cyclictest3845936-21idleruntime-cro21:05:010
3728707992117,2cyclictest3932621-21ps22:30:180
372870799211,1cyclictest0-21swapper/020:05:110
372870799210,2cyclictest1-21systemd22:50:000
372870799210,2cyclictest1-21systemd22:14:590
372870799210,2cyclictest0-21swapper/021:25:110
372870799210,20cyclictest0-21swapper/021:20:120
372870799210,20cyclictest0-21swapper/020:35:120
3728717992018,1cyclictest0-21swapper/320:22:053
3728717992017,1cyclictest0-21swapper/322:15:133
3728717992017,1cyclictest0-21swapper/320:15:123
3728717992015,4cyclictest3936999-21unin-run22:35:003
372871799200,1cyclictest0-21swapper/321:50:113
372871799200,1cyclictest0-21swapper/319:35:123
372871799200,1cyclictest0-21swapper/300:25:113
3728715992018,1cyclictest0-21swapper/222:44:002
3728715992018,1cyclictest0-21swapper/222:30:142
3728715992018,1cyclictest0-21swapper/222:10:102
3728715992018,1cyclictest0-21swapper/220:45:142
3728715992018,1cyclictest0-21swapper/219:40:122
3728715992017,1cyclictest3733732-21idleruntime-cro19:15:002
372871599200,1cyclictest4060399-21ps00:35:162
372871599200,1cyclictest3947858-21sort22:45:172
372871599200,1cyclictest0-21swapper/222:55:002
372871599200,1cyclictest0-21swapper/221:15:152
372871599200,1cyclictest0-21swapper/221:10:202
372871599200,1cyclictest0-21swapper/221:05:012
372871599200,1cyclictest0-21swapper/219:35:122
372871599200,19cyclictest3795174-21apt-get20:15:132
372871599200,19cyclictest0-21swapper/223:50:132
372871599200,19cyclictest0-21swapper/223:45:142
372871599200,19cyclictest0-21swapper/222:38:392
372871599200,19cyclictest0-21swapper/220:25:092
372871599200,19cyclictest0-21swapper/220:00:132
3728710992017,2cyclictest0-21swapper/121:50:131
3728710992017,2cyclictest0-21swapper/121:30:111
3728710992016,2cyclictest0-21swapper/123:40:011
3728710992015,3cyclictest3871249-21awk21:30:001
372871099200,1cyclictest0-21swapper/100:15:261
372871099200,18cyclictest3972634-21sed23:05:261
3728707992019,1cyclictest0-21swapper/022:35:570
3728707992018,1cyclictest0-21swapper/023:34:000
3728707992018,1cyclictest0-21swapper/023:16:490
3728707992018,1cyclictest0-21swapper/021:40:110
3728707992018,1cyclictest0-21swapper/020:20:110
3728707992018,1cyclictest0-21swapper/019:20:110
3728707992017,2cyclictest3927086-21apt-get22:25:130
372870799201,18cyclictest3871503-21apt-get21:30:110
372870799200,1cyclictest0-21swapper/023:55:130
372870799200,1cyclictest0-21swapper/023:20:100
372870799200,1cyclictest0-21swapper/022:15:130
372870799200,1cyclictest0-21swapper/021:09:570
372870799200,1cyclictest0-21swapper/020:30:130
372870799200,1cyclictest0-21swapper/019:30:120
372870799200,19cyclictest0-21swapper/021:55:120
372870799200,19cyclictest0-21swapper/021:15:160
372870799200,19cyclictest0-21swapper/000:20:120
3728717991917,1cyclictest0-21swapper/323:30:213
3728717991917,1cyclictest0-21swapper/321:15:163
3728717991916,2cyclictest3777322-21systemd-journal21:25:003
3728717991915,2cyclictest3820470-21apt-get20:40:133
3728717991915,2cyclictest3728932-21seq19:10:123
3728715991918,1cyclictest0-21swapper/222:55:112
3728715991917,1cyclictest391rcuc/220:40:182
3728715991917,1cyclictest0-21swapper/223:30:152
3728715991917,1cyclictest0-21swapper/222:20:142
3728715991917,1cyclictest0-21swapper/222:05:112
3728715991917,1cyclictest0-21swapper/222:00:212
3728715991917,1cyclictest0-21swapper/220:30:132
372871599190,18cyclictest0-21swapper/220:55:142
3728710991915,1cyclictest191rcu_preempt19:50:171
3728710991914,1cyclictest191rcu_preempt00:00:161
3728707991916,2cyclictest4014106-21cron23:49:590
372870799190,19cyclictest0-21swapper/020:02:450
372870799190,18cyclictest0-21swapper/000:15:120
3728717991816,1cyclictest0-21swapper/321:25:113
3728717991814,2cyclictest3845002-21ntpq21:00:213
372871799180,1cyclictest0-21swapper/320:00:163
3728715991816,1cyclictest0-21swapper/220:50:102
3728715991815,2cyclictest3881492-21latency_hist21:40:002
3728715991815,2cyclictest3876275-21cron21:35:012
3728710991814,1cyclictest191rcu_preempt21:25:001
3728710991813,1cyclictest191rcu_preempt23:41:021
3728707991816,1cyclictest0-21swapper/021:36:170
3728707991815,2cyclictest0-21swapper/022:00:120
3728707991814,3cyclictest3840831-21cron21:00:000
3728707991814,2cyclictest3942313-21apt-get22:40:110
3728717991715,1cyclictest0-21swapper/323:05:223
3728717991715,1cyclictest0-21swapper/320:29:373
3728717991714,2cyclictest3748948-21apt-get19:30:033
3728717991713,2cyclictest0-21swapper/322:09:593
372871799170,1cyclictest0-21swapper/319:10:013
3728715991714,2cyclictest0-21swapper/219:45:142
372871099177,5cyclictest32-21ksoftirqd/121:15:221
3728710991711,1cyclictest191rcu_preempt19:15:081
3728707991715,1cyclictest0-21swapper/020:54:200
3728707991714,2cyclictest61650irq/133-enp0s29f1:rx-021:45:200
3728717991614,1cyclictest0-21swapper/323:15:133
3728717991613,2cyclictest3848138-21kthreadcore21:05:193
3728717991612,3cyclictest4001437-21sort23:35:193
3728715991614,1cyclictest0-21swapper/223:35:132
3728715991614,1cyclictest0-21swapper/222:15:132
372871599161,2cyclictest191rcu_preempt21:45:142
3728715991612,2cyclictest3962941-21apt-get23:00:112
372871099162,2cyclictest3897728-21kthreadcore21:55:171
372871099160,6cyclictest32-21ksoftirqd/120:55:241
3728707991613,2cyclictest3906866-21apt-get22:05:110
3728717991512,2cyclictest4064704-21cron00:40:003
3728717991512,2cyclictest2875-21cron19:20:003
3728717991510,4cyclictest491ktimers/323:40:103
3728717991510,4cyclictest3886003-21sshd21:40:253
3728715991511,3cyclictest3927568-21ps22:25:172
3728707991513,2cyclictest61650irq/133-enp0s29f1:rx-020:26:580
3728707991513,2cyclictest61650irq/133-enp0s29f1:rx-019:46:480
3728707991513,1cyclictest0-21swapper/020:45:130
3728707991512,2cyclictest61650irq/133-enp0s29f1:rx-023:25:260
3728707991512,2cyclictest61650irq/133-enp0s29f1:rx-022:20:200
3728707991512,2cyclictest61650irq/133-enp0s29f1:rx-000:25:170
372871799140,12cyclictest3743872-21awk19:25:003
3728715991412,1cyclictest3989108-21apt-get23:25:112
372871599141,11cyclictest3896512-21awk21:55:002
3728710991411,2cyclictest3728888-21latency_hist19:10:011
3728707991412,2cyclictest61650irq/133-enp0s29f1:rx-020:14:130
3728707991411,2cyclictest61650irq/133-enp0s29f1:rx-019:15:220
372871799139,3cyclictest3764890-21cpuspeed_turbos19:45:143
372871599135,2cyclictest191rcu_preempt23:05:132
3728707991310,2cyclictest61650irq/133-enp0s29f1:rx-000:05:230
372871599119,1cyclictest0-21swapper/221:05:192
372871799107,2cyclictest0-21swapper/321:30:173
37287159986,1cyclictest0-21swapper/219:10:012
37287079970,5cyclictest3728716-21cut19:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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