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2026-05-15 - 13:43
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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 Fri May 15, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2801392992723,3cyclictest2801447-21readlink19:10:000
280139599262,21cyclictest3045421-21apt-get23:10:151
2801395992620,3cyclictest2872882-21apt-get20:20:101
2801395992619,3cyclictest3004853-21apt-get22:30:131
2801395992619,3cyclictest3004853-21apt-get22:30:121
280139599261,21cyclictest3030226-21apt-get22:55:121
280139599261,21cyclictest0-21swapper/100:10:131
280140399252,3cyclictest3020071-21apt-get22:45:133
280140399250,23cyclictest3127904-21tr00:30:163
2801400992520,3cyclictest3076320-21apt-get23:40:132
280140099251,22cyclictest3132526-21apt-get00:35:132
280140099251,21cyclictest2934077-21apt-get21:20:122
280140099250,23cyclictest3015460-21irqcore22:40:172
280139599252,3cyclictest2999795-21apt-get22:25:091
2801395992520,2cyclictest2862723-21apt-get20:10:111
280139599251,21cyclictest2817115-21apt-get19:25:111
280139599251,21cyclictest2806982-21apt-get19:15:111
280139599250,5cyclictest2959079-21idleruntime-cro21:44:591
280139599250,23cyclictest3121402-21taskset00:20:231
2801392992518,6cyclictest0-21swapper/022:45:130
2801403992418,4cyclictest3055664-21store23:20:003
280140399241,21cyclictest3871586-21snmpd21:05:113
280140399240,23cyclictest3086244-21unin-run23:50:003
280140099242,2cyclictest2893100-21apt-get20:40:122
2801400992418,4cyclictest2964135-21awk21:49:592
280140099240,22cyclictest2828200-21tr19:35:162
280139599241,3cyclictest2908301-21apt-get20:55:131
280139599241,2cyclictest2801927-21apt-get19:10:121
280139599240,22cyclictest2858139-21sort20:05:181
280139599240,21cyclictest0-21swapper/119:35:111
2801392992420,3cyclictest3117246-21apt-get00:20:110
280140399232,20cyclictest2801449-21latency_hist19:10:003
2801403992318,4cyclictest2878432-21ps20:25:143
280140399230,22cyclictest2888534-21grep20:35:173
280140099231,2cyclictest2929021-21apt-get21:15:142
280140099231,2cyclictest0-21swapper/220:10:112
280140099231,20cyclictest0-21swapper/223:10:152
280140099231,20cyclictest0-21swapper/219:45:122
280140099230,21cyclictest2969166-21ls21:54:592
280140099230,21cyclictest0-21swapper/220:50:112
2801395992319,3cyclictest2937921-21ntpq21:20:201
2801395992319,2cyclictest3097028-21apt-get00:00:101
2801395992319,2cyclictest0-21swapper/122:50:121
2801395992318,3cyclictest3055031-21fwupd23:16:451
2801395992317,4cyclictest2974218-21cron21:59:591
2801395992317,3cyclictest2801618-21apt-key19:10:001
280139599231,2cyclictest3127411-21apt-get00:30:121
280139599231,2cyclictest3068407-21sed23:30:181
280139599231,2cyclictest3061133-21apt-get23:25:131
280139599231,21cyclictest0-21swapper/120:30:011
280139599231,20cyclictest2923516-21apt-get21:10:141
280139599230,21cyclictest0-21swapper/123:05:121
280139599230,20cyclictest0-21swapper/122:35:131
280139599230,20cyclictest0-21swapper/122:00:121
280139599230,20cyclictest0-21swapper/121:00:121
280139599230,20cyclictest0-21swapper/120:35:131
280139599230,20cyclictest0-21swapper/119:40:121
280139299232,3cyclictest500-21dbus-daemon23:16:460
2801392992320,2cyclictest2903245-21apt-get20:50:100
2801392992320,2cyclictest2872882-21apt-get20:20:110
2801392992320,2cyclictest2812062-21apt-get19:20:100
2801392992319,2cyclictest3107148-21apt-get00:10:130
280139299231,21cyclictest2856522-21ntpq20:00:210
2801403992219,2cyclictest3071252-21apt-get23:35:143
2801403992218,2cyclictest3015451-21irqcore22:40:163
280140399221,1cyclictest2994718-21apt-get22:20:103
280140399220,2cyclictest2985061-21sed22:10:173
280140399220,20cyclictest3005344-21grep22:30:163
280140399220,20cyclictest3005344-21grep22:30:163
2801400992219,2cyclictest2974494-21apt-get22:00:112
2801400992219,2cyclictest2939108-21apt-get21:25:132
2801400992219,2cyclictest0-21swapper/220:15:112
2801400992219,1cyclictest3009632-21cron22:35:012
2801400992219,1cyclictest3009632-21cron22:35:002
2801400992219,1cyclictest0-21swapper/222:55:122
2801400992217,4cyclictest3096750-21cron00:00:002
280140099221,1cyclictest0-21swapper/200:00:092
280140099220,2cyclictest3055667-21latency_hist23:20:002
280140099220,2cyclictest2913847-21irqcore21:00:162
280140099220,2cyclictest0-21swapper/223:35:132
280140099220,21cyclictest1-21systemd21:15:012
280140099220,20cyclictest3056017-21apt-get23:20:112
2801395992218,3cyclictest509-21systemd-logind00:20:001
2801395992218,2cyclictest0-21swapper/120:40:121
280139599221,2cyclictest3102082-21apt-get00:05:141
280139599221,2cyclictest0-21swapper/122:05:111
280139599221,2cyclictest0-21swapper/120:30:111
280139599221,18cyclictest3035284-21apt-get23:00:121
280139599220,2cyclictest0-21swapper/120:50:111
2801392992218,2cyclictest2918432-21apt-get21:05:110
2801392992218,2cyclictest2837381-21apt-get19:45:120
280139299221,1cyclictest2822170-21apt-get19:30:110
2801403992119,1cyclictest0-21swapper/323:00:123
2801403992119,1cyclictest0-21swapper/321:55:133
2801403992119,1cyclictest0-21swapper/320:00:113
2801403992118,1cyclictest0-21swapper/300:00:093
280140399211,19cyclictest2897894-21idleruntime-cro20:45:003
280140399210,20cyclictest64-21kcompactd000:23:083
280140399210,20cyclictest2812546-21ps19:20:153
280140399210,20cyclictest0-21swapper/319:25:163
280140399210,1cyclictest64-21kcompactd023:21:503
280140399210,1cyclictest0-21swapper/322:15:113
280140399210,1cyclictest0-21swapper/321:40:123
280140399210,19cyclictest0-21swapper/321:35:133
280140399210,19cyclictest0-21swapper/321:20:123
2801400992119,1cyclictest64-21kcompactd023:09:282
2801400992119,1cyclictest0-21swapper/221:30:122
2801400992118,2cyclictest2801437-21cut19:10:002
2801400992118,2cyclictest0-21swapper/222:05:112
2801400992118,1cyclictest0-21swapper/200:10:132
280140099211,1cyclictest0-21swapper/200:26:532
280140099211,19cyclictest0-21swapper/222:54:582
280140099210,2cyclictest2837109-21awk19:45:002
280140099210,20cyclictest0-21swapper/223:52:282
280140099210,20cyclictest0-21swapper/221:40:122
280140099210,20cyclictest0-21swapper/220:31:252
280140099210,20cyclictest0-21swapper/219:20:112
280140099210,1cyclictest0-21swapper/222:45:132
280140099210,19cyclictest0-21swapper/223:00:132
2801395992119,1cyclictest0-21swapper/122:40:271
2801395992119,1cyclictest0-21swapper/120:46:281
2801395992118,2cyclictest3085337-21taskset23:45:221
2801395992117,2cyclictest2843388-21kthreadcore19:50:171
2801395992117,2cyclictest0-21swapper/121:30:121
2801395992116,2cyclictest3020071-21apt-get22:45:131
280139599210,20cyclictest0-21swapper/123:43:211
280139599210,20cyclictest0-21swapper/123:20:111
280139599210,1cyclictest0-21swapper/121:15:141
2801392992119,1cyclictest3040362-21apt-get23:05:110
2801392992119,1cyclictest0-21swapper/023:25:130
2801392992118,2cyclictest2985062-21grep22:10:160
280139299210,20cyclictest64-21kcompactd023:39:340
280139299210,20cyclictest2867508-21idleruntime-cro20:15:000
280139299210,20cyclictest0-21swapper/000:31:440
280139299210,1cyclictest3137320-21ls00:39:590
280139299210,1cyclictest0-21swapper/022:15:120
2801403992018,1cyclictest0-21swapper/322:36:093
2801403992018,1cyclictest0-21swapper/319:45:123
2801403992018,1cyclictest0-21swapper/319:30:113
2801403992018,1cyclictest0-21swapper/300:35:133
2801403992017,2cyclictest2804149-21kthreadcore19:10:173
2801403992017,1cyclictest0-21swapper/323:25:133
280140399200,2cyclictest2837104-21cron19:45:003
280140399200,19cyclictest64-21kcompactd021:03:083
280140399200,19cyclictest3087384-21grep23:50:173
280140399200,19cyclictest0-21swapper/322:55:303
280140399200,19cyclictest0-21swapper/322:51:123
280140399200,19cyclictest0-21swapper/322:00:113
2801400992018,1cyclictest0-21swapper/223:29:542
2801400992018,1cyclictest0-21swapper/220:55:142
2801400992018,1cyclictest0-21swapper/220:26:022
280140099200,1cyclictest0-21swapper/220:05:182
280140099200,1cyclictest0-21swapper/200:31:112
280140099200,1cyclictest0-21swapper/200:17:132
280139599200,19cyclictest2996948-21ps22:20:151
2801392992018,1cyclictest0-21swapper/023:45:120
2801392992018,1cyclictest0-21swapper/020:40:110
2801392992018,1cyclictest0-21swapper/000:00:100
2801392992017,2cyclictest514-21in:imuxsock22:35:010
2801392992017,2cyclictest514-21in:imuxsock22:35:000
2801392992017,1cyclictest2851541-21ps19:55:230
280139299200,1cyclictest64-21kcompactd020:37:190
280139299200,1cyclictest0-21swapper/023:24:310
280139299200,1cyclictest0-21swapper/023:10:150
280139299200,1cyclictest0-21swapper/021:15:140
280139299200,1cyclictest0-21swapper/019:10:120
280139299200,1cyclictest0-21swapper/000:25:170
280139299200,19cyclictest2959097-21munin-run21:44:590
280139299200,19cyclictest0-21swapper/023:40:120
280139299200,19cyclictest0-21swapper/022:40:130
280139299200,19cyclictest0-21swapper/021:35:130
280139299200,19cyclictest0-21swapper/020:55:120
2801403991919,0cyclictest0-21swapper/300:25:493
2801403991918,1cyclictest0-21swapper/322:05:293
2801403991917,1cyclictest64-21kcompactd000:17:123
2801403991917,1cyclictest0-21swapper/319:35:113
2801403991916,2cyclictest2969162-21cron21:54:593
2801403991916,1cyclictest0-21swapper/320:20:103
280140399190,1cyclictest0-21swapper/320:50:163
280140399190,18cyclictest64-21kcompactd023:41:123
280140399190,18cyclictest0-21swapper/321:45:133
2801400991917,1cyclictest0-21swapper/221:05:112
2801400991917,1cyclictest0-21swapper/220:20:102
2801400991915,2cyclictest0-21swapper/219:10:112
2801400991914,3cyclictest2898169-21apt-get20:45:122
2801395991917,1cyclictest0-21swapper/123:35:121
2801395991915,2cyclictest2852568-21apt-get20:00:111
2801395991914,3cyclictest0-21swapper/119:50:001
2801392991918,1cyclictest0-21swapper/020:45:110
2801392991917,1cyclictest0-21swapper/021:55:110
2801392991916,2cyclictest3087381-21ps23:50:160
2801392991916,2cyclictest3004595-21munin-run22:30:000
2801392991914,4cyclictest2837105-21cron19:45:010
2801392991913,4cyclictest3116967-21cron00:20:000
280139299190,1cyclictest0-21swapper/021:10:130
280139299190,19cyclictest0-21swapper/022:21:370
280139299190,19cyclictest0-21swapper/021:50:210
280139299190,18cyclictest2934562-21ps21:20:160
2801403991816,1cyclictest64-21kcompactd020:31:253
2801403991816,1cyclictest0-21swapper/323:10:153
2801403991816,1cyclictest0-21swapper/321:15:143
2801403991815,2cyclictest2867780-21apt-get20:15:113
2801400991816,1cyclictest0-21swapper/219:55:122
2801400991815,2cyclictest3081390-21apt-get23:45:112
2801400991815,2cyclictest0-21swapper/222:22:092
280140099180,0cyclictest0-21swapper/219:30:112
2801395991815,2cyclictest2994446-21idleruntime-cro22:20:011
2801395991815,2cyclictest2964407-21apt-get21:50:121
2801395991815,2cyclictest2816037-21ntp_states19:20:211
2801395991815,2cyclictest0-21swapper/121:25:121
2801395991815,1cyclictest0-21swapper/121:05:111
2801395991814,2cyclictest2959354-21apt-get21:45:131
2801392991812,4cyclictest2828199-21sed19:35:160
280139299180,18cyclictest0-21swapper/023:57:190
2801403991715,1cyclictest0-21swapper/321:15:013
2801403991715,1cyclictest0-21swapper/320:05:133
2801400991715,1cyclictest64-21kcompactd023:30:582
2801400991715,1cyclictest0-21swapper/222:15:122
2801400991713,3cyclictest2875-21cron00:24:592
2801395991714,2cyclictest509-21systemd-logind22:15:001
2801395991711,4cyclictest261-21systemd-journal20:00:001
2801392991715,1cyclictest2974783-21fw_packets22:00:150
2801392991715,1cyclictest2844653-21ps19:50:170
2801403991614,1cyclictest0-21swapper/319:15:123
2801403991613,2cyclictest3000749-21kthreadcore22:25:153
2801403991613,1cyclictest0-21swapper/321:30:123
2801403991612,3cyclictest2842756-21gltestperf19:50:153
2801403991611,3cyclictest3096751-21sh00:00:003
2801400991615,1cyclictest64-21kcompactd020:01:512
2801400991614,1cyclictest0-21swapper/221:35:132
2801400991613,2cyclictest2820846-21memory19:25:172
2801400991612,2cyclictest2969749-21gltestperf21:55:152
2801400991611,3cyclictest3010039-21tr22:35:142
2801395991613,2cyclictest0-21swapper/119:35:001
2801392991614,1cyclictest2819332-21ps19:25:160
2801392991613,2cyclictest61650irq/133-enp0s29f1:rx-021:25:110
2801392991612,3cyclictest61650irq/133-enp0s29f1:rx-021:45:130
2801403991513,1cyclictest0-21swapper/321:25:133
2801403991512,2cyclictest0-21swapper/320:55:143
2801403991512,2cyclictest0-21swapper/300:10:133
2801403991512,1cyclictest0-21swapper/323:05:113
2801403991512,1cyclictest0-21swapper/320:10:113
2801403991511,2cyclictest3106878-21sh00:10:003
280140099151,3cyclictest3000080-21fw_conntrack22:25:132
280139599150,2cyclictest3137336-21munin-run00:39:591
280139299159,5cyclictest61650irq/133-enp0s29f1:rx-020:25:200
2801392991514,1cyclictest64-21kcompactd022:55:300
2801392991514,1cyclictest64-21kcompactd022:51:110
2801392991512,2cyclictest61650irq/133-enp0s29f1:rx-020:20:000
2801392991512,2cyclictest2913840-21ps21:00:160
280140099148,4cyclictest2989091-21sshd22:11:442
280139599148,4cyclictest261-21systemd-journal00:30:001
2801392991412,2cyclictest62450irq/134-enp0s29f1:tx-023:30:190
2801392991412,1cyclictest0-21swapper/023:00:120
2801392991411,2cyclictest0-21swapper/019:20:000
2801392991410,3cyclictest61650irq/133-enp0s29f1:rx-000:05:130
2801403991311,1cyclictest2847491-21apt-get19:55:113
280140399130,1cyclictest0-21swapper/320:45:213
280139599139,2cyclictest3087837-21kthreadcore23:50:161
280139299139,3cyclictest61650irq/133-enp0s29f1:rx-022:05:110
280139299137,1cyclictest191rcu_preempt22:40:000
280139299136,5cyclictest2857937-21fw_forwarded_lo20:05:160
2801392991311,2cyclictest61650irq/133-enp0s29f1:rx-021:30:200
2801392991310,2cyclictest2883355-21gltestperf20:30:140
280140099129,2cyclictest2892823-21cron20:40:002
280140099129,2cyclictest0-21swapper/200:05:142
2801400991210,1cyclictest0-21swapper/219:50:122
280140399119,1cyclictest0-21swapper/323:30:583
280139599119,1cyclictest0-21swapper/120:15:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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