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2025-12-05 - 18:10
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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 Fri Dec 05, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
254235599310,28cyclictest2821245-21/usr/sbin/munin12:10:171
254235599300,28cyclictest2833008-21ssh12:18:331
2542355992919,9cyclictest2675633-21ssh10:12:461
254235599290,28cyclictest2606571-21ssh09:19:241
254235599290,27cyclictest0-21swapper/111:55:171
254235599290,27cyclictest0-21swapper/107:35:001
254235599290,26cyclictest2594234-21diskmemload11:45:401
254235999282,21cyclictest2827525-21apt-get12:15:132
2542355992818,8cyclictest2707125-21ssh10:36:531
2542355992818,8cyclictest2622838-21kthreadcore09:30:181
254235599280,9cyclictest2763145-21ssh11:20:371
254235599280,27cyclictest2857768-21ssh12:37:401
254235599280,26cyclictest2781964-21ssh11:35:411
254235599280,26cyclictest2727152-21ssh10:55:061
254236199271,4cyclictest2594234-21diskmemload11:05:213
254235999271,24cyclictest2811239-21cut12:00:152
254235599271,23cyclictest2771088-21apt-get11:30:131
254235599270,9cyclictest2689156-21ssh10:25:041
254235599270,26cyclictest2719964-21ssh10:47:491
254235599270,26cyclictest2688061-21ssh10:22:211
254235599270,25cyclictest2637545-21ssh09:43:051
254235599270,25cyclictest2594234-21diskmemload12:03:541
254235599270,25cyclictest0-21swapper/111:25:111
254235599270,24cyclictest0-21swapper/111:10:101
254235599270,24cyclictest0-21swapper/110:15:021
254236199260,20cyclictest2638461-21ssh09:45:113
254235999261,23cyclictest2617187-21missed_timers09:25:202
254235999261,22cyclictest2638455-21apt-get09:45:112
254235999260,20cyclictest2548787-21kworker/u8:2+rpciod10:00:152
2542355992618,7cyclictest2700150-21ssh10:30:571
2542355992616,9cyclictest2662706-21ssh10:03:101
254235599261,21cyclictest2815008-21apt-get12:05:141
254235599260,6cyclictest2594234-21diskmemload09:55:541
254235599260,25cyclictest0-21swapper/111:43:231
254235599260,25cyclictest0-21swapper/111:16:291
254235599260,25cyclictest0-21swapper/111:07:531
254235599260,25cyclictest0-21swapper/111:03:451
254235599260,25cyclictest0-21swapper/109:45:221
254235599260,24cyclictest2594234-21diskmemload12:30:211
254235599260,24cyclictest2594234-21diskmemload12:30:201
254235599260,24cyclictest0-21swapper/112:22:111
254235599260,23cyclictest0-21swapper/109:28:031
254236199250,23cyclictest2839742-21turbostat12:25:003
254236199250,23cyclictest2575417-21irqcore08:25:163
2542359992520,2cyclictest2714705-21apt-get10:45:142
254235999251,3cyclictest2682950-21apt-get10:20:122
254235999251,20cyclictest2644765-21ssh09:50:112
254235999250,4cyclictest2779862-21cut11:35:162
254235599252,20cyclictest2625931-21apt-get09:35:111
2542355992520,4cyclictest2594234-21diskmemload12:26:411
254235599251,21cyclictest2644762-21apt-get09:50:111
254235599250,24cyclictest2669670-21munin-run10:10:001
254235599250,23cyclictest0-21swapper/108:40:131
2542361992420,2cyclictest2852568-21apt-get12:35:093
2542361992420,2cyclictest2802459-21apt-get11:55:123
2542361992418,3cyclictest2594234-21diskmemload09:40:133
254236199241,3cyclictest2574011-21idleruntime-cro08:20:003
254236199241,21cyclictest2594234-21diskmemload10:13:503
254236199241,21cyclictest2581043-21awk08:40:013
254236199241,21cyclictest2556749-21sort07:40:153
254236199241,20cyclictest2663626-21ssh10:05:133
254236199241,20cyclictest2594234-21diskmemload09:35:063
254236199240,23cyclictest0-21swapper/311:42:543
254236199240,22cyclictest683-21runrttasks11:35:103
254236199240,21cyclictest2701662-21latency_hist10:35:003
254236199240,21cyclictest2594234-21diskmemload11:15:063
2542359992421,2cyclictest2741045-21kthreadcore11:05:182
2542359992420,2cyclictest2594517-21apt-get09:10:102
2542359992419,3cyclictest2607226-21diskstats09:20:122
2542359992418,3cyclictest2752797-21ps11:15:172
254235999241,3cyclictest2821271-21apt-get12:10:132
254235999241,3cyclictest2764555-21munin-run11:25:002
254235999241,21cyclictest2738261-21chrt11:01:182
254235999241,21cyclictest2702164-21ssh10:35:132
254235999241,21cyclictest2632852-21irqcore09:40:162
254235999241,20cyclictest2840050-21apt-get12:25:142
254235999241,20cyclictest2594234-21diskmemload11:45:122
254235999241,20cyclictest0-21swapper/211:55:052
254235999241,20cyclictest0-21swapper/210:40:102
254235999240,22cyclictest2606748-21turbostat.cron09:19:592
254235999240,21cyclictest2594234-21diskmemload10:50:062
254235999240,21cyclictest2594234-21diskmemload10:15:052
254235999240,21cyclictest2549117-21cron07:25:012
254235999240,21cyclictest0-21swapper/210:25:022
254235999240,20cyclictest0-21swapper/210:55:132
2542355992416,6cyclictest510-21dbus-daemon07:40:001
254235599241,22cyclictest2594234-21diskmemload09:13:551
254235599240,23cyclictest0-21swapper/110:40:311
254235599240,21cyclictest2574650-21cron08:25:001
254235599240,10cyclictest2594234-21diskmemload10:50:101
254235399243,20cyclictest245621450irq/127-enp0s29f1:rx-011:35:360
2542353992422,1cyclictest0-21swapper/009:58:180
2542361992321,1cyclictest0-21swapper/310:29:323
2542361992320,1cyclictest2555526-21ls07:40:013
2542361992319,3cyclictest2796705-21sort11:50:173
2542361992319,2cyclictest2815008-21apt-get12:05:143
2542361992319,2cyclictest2718819-21ntp_states10:45:233
254236199231,2cyclictest2594234-21diskmemload11:45:283
254236199231,2cyclictest0-21swapper/310:55:133
254236199231,2cyclictest0-21swapper/310:42:353
254236199231,21cyclictest2594234-21diskmemload12:16:523
254236199231,20cyclictest2738130-21chrt11:00:513
254236199230,3cyclictest2599437-21ssh09:11:353
254236199230,22cyclictest2688280-21ssh10:23:053
254236199230,21cyclictest64-21kcompactd011:30:243
254236199230,20cyclictest0-21swapper/311:25:113
254236199230,20cyclictest0-21swapper/311:20:053
2542359992319,3cyclictest2838969-21ssh12:22:362
254235999231,2cyclictest0-21swapper/211:50:132
254235999231,21cyclictest64-21kcompactd011:44:302
254235999231,21cyclictest2594234-21diskmemload12:30:322
254235999231,21cyclictest2594234-21diskmemload12:30:322
254235999231,21cyclictest2594234-21diskmemload12:07:042
254235999231,20cyclictest401ktimers/209:55:132
254235999231,20cyclictest2555797-21apt-get07:40:112
254235999231,20cyclictest0-21swapper/209:30:032
254235999230,3cyclictest2765770-21irqstats11:25:162
254235999230,21cyclictest2594234-21diskmemload11:10:502
254235999230,20cyclictest2771035-21ssh11:30:072
254235999230,20cyclictest2695454-21ssh10:30:122
254235999230,20cyclictest0-21swapper/212:35:022
2542355992319,2cyclictest2561865-21cron07:55:011
2542355992317,5cyclictest0-21swapper/111:50:131
2542355992311,10cyclictest2561224-21idleruntime-cro07:50:001
254235399232,20cyclictest2796191-21apt-get11:50:130
2542353992320,2cyclictest2783621-21apt-get11:40:110
2542353992320,2cyclictest0-21swapper/010:35:010
2542353992319,2cyclictest2607060-21apt-get09:20:090
254235399231,2cyclictest2793731-21memory11:45:200
254235399231,2cyclictest2745713-21munin-run11:10:000
254235399231,20cyclictest2833787-21apt-get12:20:120
254235399231,20cyclictest2708387-21apt-get10:40:110
254235399230,21cyclictest2839992-21ssh12:25:060
2542361992219,2cyclictest0-21swapper/311:13:163
2542361992219,2cyclictest0-21swapper/310:16:043
2542361992219,2cyclictest0-21swapper/310:00:153
2542361992219,2cyclictest0-21swapper/309:30:393
2542361992218,2cyclictest2821271-21apt-get12:10:133
254236199221,2cyclictest0-21swapper/312:29:243
254236199221,2cyclictest0-21swapper/309:17:123
254236199221,20cyclictest0-21swapper/309:51:333
254236199221,1cyclictest2594234-21diskmemload09:58:323
254236199221,1cyclictest0-21swapper/309:20:303
254236199221,19cyclictest0-21swapper/310:51:143
254236199220,21cyclictest2618001-21ssh09:25:503
254236199220,20cyclictest0-21swapper/312:30:113
254236199220,20cyclictest0-21swapper/312:30:113
254236199220,1cyclictest2548490-21idleruntime-cro07:20:003
2542359992219,1cyclictest2581054-21apt-get08:40:172
2542359992218,3cyclictest2631439-21ssh09:38:332
2542359992218,2cyclictest2549385-21apt-get07:25:112
2542359992218,2cyclictest0-21swapper/207:10:112
254235999220,20cyclictest0-21swapper/210:12:112
2542355992219,2cyclictest0-21swapper/107:15:011
254235599221,19cyclictest0-21swapper/107:25:121
254235599220,21cyclictest2566941-21cron08:00:011
2542353992219,2cyclictest2594234-21diskmemload09:37:000
2542353992219,2cyclictest245621450irq/127-enp0s29f1:rx-009:29:170
2542353992218,2cyclictest2724900-21ntpq10:50:200
2542353992216,4cyclictest2733858-21smartctl11:00:150
254235399221,2cyclictest2594234-21diskmemload11:21:290
254235399221,20cyclictest2594234-21diskmemload12:15:140
254235399221,1cyclictest2594234-21diskmemload10:16:350
254235399221,1cyclictest0-21swapper/007:40:110
254235399220,2cyclictest2750817-21taskset11:11:230
254235399220,2cyclictest2594234-21diskmemload09:18:530
254235399220,21cyclictest2820939-21cron12:10:000
254235399220,21cyclictest2813638-21ssh12:01:360
254235399220,21cyclictest2776364-21ssh11:32:520
254235399220,21cyclictest2664129-21tr10:05:160
254235399220,21cyclictest0-21swapper/009:45:120
254235399220,20cyclictest2764839-21apt-get11:25:120
254235399220,19cyclictest0-21swapper/012:32:290
254235399220,19cyclictest0-21swapper/012:32:290
254235399220,19cyclictest0-21swapper/009:10:250
2542361992119,1cyclictest0-21swapper/308:55:103
2542361992118,3cyclictest0-21swapper/310:35:393
254236199210,1cyclictest0-21swapper/308:40:133
2542359992119,1cyclictest0-21swapper/207:55:102
254235999210,20cyclictest2579768-21munin-run08:30:012
254235599218,12cyclictest2575154-21uniq08:25:141
2542355992116,3cyclictest2594211-21sh09:10:001
2542355992113,6cyclictest0-21swapper/108:05:001
2542353992119,1cyclictest2752281-21apt-get11:15:130
2542353992117,2cyclictest3471731-21systemd-journal07:15:010
2542353992117,2cyclictest2555522-21cron07:40:000
2542353992116,4cyclictest2581037-21cron08:40:000
2542353992116,3cyclictest2632374-21df09:40:130
254235399211,1cyclictest2594234-21diskmemload10:21:460
254235399211,1cyclictest2594234-21diskmemload09:31:480
254235399210,2cyclictest2594234-21diskmemload12:35:070
254235399210,2cyclictest2574004-21cron08:20:000
254235399210,20cyclictest2804546-21cut11:55:180
254235399210,20cyclictest2662088-21ssh10:01:060
254235399210,20cyclictest2644765-21ssh09:50:100
254235399210,20cyclictest0-21swapper/010:25:380
254235399210,1cyclictest2574927-21apt-get08:25:120
254235399210,19cyclictest0-21swapper/010:45:280
254235399210,18cyclictest2594234-21diskmemload10:10:010
2542361992015,3cyclictest2543053-21grep07:10:143
2542359992015,3cyclictest0-21swapper/208:05:002
2542359992014,4cyclictest2561896-21awk07:55:012
2542355992016,2cyclictest0-21swapper/107:45:011
254235599200,10cyclictest2590914-21cut08:55:161
2542353992018,1cyclictest1-21systemd07:25:000
2542353992017,2cyclictest2594234-21diskmemload10:35:100
2542353992015,3cyclictest2583619-21cat08:40:180
254235399200,19cyclictest0-21swapper/007:20:000
254235399200,18cyclictest0-21swapper/012:11:080
2542361991917,1cyclictest0-21swapper/307:25:113
2542361991916,2cyclictest0-21swapper/308:35:003
2542361991914,3cyclictest2561228-21sh07:50:003
254236199190,18cyclictest0-21swapper/307:25:013
2542359991917,1cyclictest0-21swapper/208:10:132
2542359991915,2cyclictest2555529-21cron07:40:012
2542353991917,1cyclictest2587841-21cron08:54:590
2542353991915,2cyclictest0-21swapper/008:55:100
254235599187,9cyclictest3471731-21systemd-journal08:52:291
2542355991814,2cyclictest0-21swapper/108:10:121
2542359991712,3cyclictest2548469-21sh07:19:592
254235599176,9cyclictest2547388-21cron07:15:021
2542353991714,2cyclictest245621450irq/127-enp0s29f1:rx-007:55:230
2542361991613,2cyclictest0-21swapper/307:55:013
254235999160,9cyclictest2568295-21munin-run08:10:012
2542355991612,2cyclictest2593561-21idleruntime-cro09:04:591
254235599161,12cyclictest2587204-21turbostat08:49:591
254235599160,8cyclictest0-21swapper/107:23:271
2542353991613,2cyclictest245621450irq/127-enp0s29f1:rx-008:21:300
2542353991613,2cyclictest245621450irq/127-enp0s29f1:rx-007:25:180
2542353991612,3cyclictest1-21systemd07:55:000
254236199159,5cyclictest2587196-21cron08:49:593
254235999159,4cyclictest3471731-21systemd-journal08:18:522
254235999158,5cyclictest3471731-21systemd-journal08:49:592
254235599151,13cyclictest3471731-21systemd-journal08:10:011
2542353991513,1cyclictest245621450irq/127-enp0s29f1:rx-009:01:200
2542353991512,2cyclictest245621450irq/127-enp0s29f1:rx-008:33:560
2542353991512,2cyclictest245621450irq/127-enp0s29f1:rx-008:06:210
2542361991410,2cyclictest2594224-21munin-run09:10:003
254235999148,4cyclictest3471731-21systemd-journal07:45:292
254235599140,12cyclictest683-21runrttasks08:17:191
2542353991412,1cyclictest245621450irq/127-enp0s29f1:rx-009:06:510
2542353991411,2cyclictest245621450irq/127-enp0s29f1:rx-007:46:040
2542353991410,3cyclictest2568880-21gltestperf08:10:150
2542361991311,1cyclictest0-21swapper/308:10:113
254235999139,2cyclictest0-21swapper/208:35:002
254235999131,3cyclictest2593569-21awk09:04:592
2542359991310,2cyclictest2587842-21cron08:55:002
254235599132,10cyclictest2542396-21cat07:10:001
254235599130,11cyclictest2580777-21chrt08:36:531
254235599130,11cyclictest2580082-21chrt08:31:151
2542353991310,2cyclictest245621450irq/127-enp0s29f1:rx-008:01:510
254236199129,2cyclictest2566533-21unixbench_singl07:55:233
254236199125,5cyclictest3471731-21systemd-journal08:25:013
254235999120,4cyclictest2590337-21kthreadcore08:55:162
254235999114,5cyclictest3471731-21systemd-journal08:40:012
254235999114,5cyclictest3471731-21systemd-journal07:35:002
254235999111,6cyclictest2594223-21sh09:10:002
254236199106,2cyclictest2554244-21sh07:30:003
254236199105,3cyclictest2587855-21sh08:55:003
254236199100,2cyclictest2567600-21latency_hist08:05:003
254235399106,3cyclictest2542448-21date07:10:000
25423619994,4cyclictest2593188-21sshd09:00:283
25423599994,3cyclictest2542268-21latency_hist07:10:012
25423599991,6cyclictest2574659-21cron08:25:012
25423539996,2cyclictest522-21in:imuxsock07:34:070
25423539996,2cyclictest2587197-21sh08:50:000
25423619981,5cyclictest683-21runrttasks08:08:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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