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2026-08-27 - 12:54
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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 Thu Aug 27, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
258286099271,20cyclictest2634006-21apt-get20:00:093
258285399270,25cyclictest2726644-21ps21:30:201
258285399270,25cyclictest2726644-21ps21:30:201
258286099261,22cyclictest2863985-21apt-get23:45:123
258285599260,24cyclictest2752057-21irqcore21:55:162
258286099251,20cyclictest0-21swapper/321:20:123
258286099251,20cyclictest0-21swapper/321:20:123
2582855992520,3cyclictest2761709-21apt-get22:05:112
258285599251,3cyclictest2741390-21apt-get21:45:112
258285599251,22cyclictest2811278-21ntpq22:50:232
258285599251,22cyclictest2668365-21ntpq20:30:212
258285399251,21cyclictest2904539-21apt-get00:25:121
258285399251,21cyclictest2685155-21apt-get20:50:121
258285399251,21cyclictest2618874-21apt-get19:45:121
258285399251,20cyclictest2812401-21apt-get22:55:121
258285399251,20cyclictest2802189-21apt-get22:45:091
258286099241,21cyclictest2721070-21apt-get21:25:133
258286099241,20cyclictest2593572-21apt-get19:20:103
258286099240,22cyclictest2833008-21latency_hist23:15:013
258285599242,2cyclictest2766801-21apt-get22:10:112
2582855992417,5cyclictest2802681-21irqcore22:45:132
258285599241,22cyclictest2726157-21apt-get21:30:122
258285599241,22cyclictest2726157-21apt-get21:30:122
258285599241,20cyclictest0-21swapper/220:00:102
258285599240,4cyclictest2588224-21cron19:15:002
2582853992420,2cyclictest2889350-21apt-get00:10:111
2582853992420,2cyclictest2838639-21apt-get23:20:121
2582853992420,2cyclictest2807286-21apt-get22:50:141
258285399241,21cyclictest2782506-21sed22:25:171
258285399241,20cyclictest2705434-21apt-get21:10:101
258285399241,20cyclictest2613782-21apt-get19:40:121
2582849992421,1cyclictest0-21swapper/021:00:120
2582860992319,2cyclictest2823006-21apt-get23:05:123
2582860992319,2cyclictest2797143-21apt-get22:40:103
2582860992319,2cyclictest2731200-21apt-get21:35:113
2582860992319,2cyclictest2695297-21apt-get21:00:133
258286099231,2cyclictest2654309-21apt-get20:20:133
258286099230,21cyclictest2853596-21cron23:34:593
258286099230,21cyclictest2700866-21grep21:05:173
258286099230,20cyclictest2741873-21ps21:45:153
258286099230,20cyclictest0-21swapper/322:25:113
258286099230,20cyclictest0-21swapper/319:50:123
2582855992319,2cyclictest2695297-21apt-get21:00:122
2582855992319,2cyclictest0-21swapper/200:15:102
2582855992318,3cyclictest2633728-21cron20:00:002
258285599231,2cyclictest2904539-21apt-get00:25:122
258285599231,2cyclictest2817937-21apt-get23:00:112
258285599231,21cyclictest2853867-21apt-get23:35:112
258285599231,20cyclictest2869054-21apt-get23:50:132
258285599231,20cyclictest2787052-21apt-get22:30:112
258285599231,20cyclictest2715599-21apt-get21:20:122
258285599231,20cyclictest2715599-21apt-get21:20:122
258285599231,20cyclictest2649213-21apt-get20:15:112
258285599230,21cyclictest2884786-21ps00:05:202
258285599230,21cyclictest2884786-21ps00:05:192
258285399231,2cyclictest2603669-21apt-get19:30:141
258285399230,22cyclictest2762210-21grep22:05:161
258285399230,20cyclictest0-21swapper/119:35:111
2582849992320,2cyclictest2828074-21apt-get23:10:110
2582849992319,2cyclictest2782007-21apt-get22:25:120
258284999231,2cyclictest2833568-21apt-get23:15:110
258284999231,20cyclictest2899467-21apt-get00:20:140
258284999231,20cyclictest2623918-21apt-get19:50:120
258284999230,20cyclictest0-21swapper/023:25:120
2582860992219,2cyclictest0-21swapper/323:55:123
2582860992219,1cyclictest2771893-21apt-get22:15:123
2582860992218,2cyclictest0-21swapper/322:20:143
258286099221,2cyclictest0-21swapper/323:35:123
258286099221,1cyclictest0-21swapper/322:35:123
258286099221,1cyclictest0-21swapper/319:40:123
258286099220,2cyclictest2587477-21taskset19:10:223
258286099220,2cyclictest0-21swapper/300:30:103
258286099220,21cyclictest2919492-21cron00:40:013
258286099220,20cyclictest2879320-21tr00:00:123
258286099220,20cyclictest0-21swapper/323:20:133
258286099220,19cyclictest0-21swapper/321:30:113
258286099220,19cyclictest0-21swapper/321:30:113
2582855992219,2cyclictest0-21swapper/219:45:112
258285599221,2cyclictest2848800-21apt-get23:30:122
258285599221,20cyclictest3777322-21systemd-journal21:45:002
258285599221,20cyclictest0-21swapper/222:40:102
258285599221,20cyclictest0-21swapper/200:23:342
258285599221,1cyclictest0-21swapper/220:52:492
2582853992219,2cyclictest2751297-21idleruntime-cro21:55:001
2582853992218,2cyclictest0-21swapper/122:10:131
258285399220,19cyclictest0-21swapper/123:15:011
2582849992217,4cyclictest2669198-21cron20:35:000
258284999221,2cyclictest2736271-21apt-get21:40:130
258284999220,21cyclictest2679382-21dpkg20:45:000
258284999220,20cyclictest0-21swapper/020:00:090
258284999220,19cyclictest0-21swapper/020:20:130
2582860992119,1cyclictest0-21swapper/320:45:123
2582860992118,2cyclictest2899956-21tr00:20:183
2582860992117,2cyclictest0-21swapper/321:15:133
258286099211,19cyclictest0-21swapper/323:00:113
258286099210,2cyclictest64-21kcompactd019:49:563
258286099210,20cyclictest64-21kcompactd020:29:423
258286099210,20cyclictest64-21kcompactd019:37:013
258286099210,20cyclictest0-21swapper/320:45:003
258286099210,20cyclictest0-21swapper/300:25:213
2582855992119,1cyclictest0-21swapper/222:20:132
2582855992119,1cyclictest0-21swapper/220:55:132
2582855992118,2cyclictest2812401-21apt-get22:55:132
2582855992118,2cyclictest2598328-21cron19:25:002
2582855992118,2cyclictest0-21swapper/221:05:132
2582855992118,1cyclictest0-21swapper/220:10:122
2582855992117,2cyclictest2735997-21sh21:40:002
2582855992116,3cyclictest2669480-21apt-get20:35:122
258285599211,1cyclictest2785901-21ntpq22:25:212
258285599211,1cyclictest0-21swapper/220:45:182
258285599211,19cyclictest0-21swapper/223:20:212
258285599210,20cyclictest64-21kcompactd000:38:372
258285599210,20cyclictest0-21swapper/219:50:122
258285599210,1cyclictest2893759-21sshd00:10:342
258285599210,1cyclictest0-21swapper/222:00:102
258285599210,19cyclictest0-21swapper/223:15:112
2582853992119,1cyclictest64-21kcompactd022:32:491
2582853992119,1cyclictest0-21swapper/100:00:111
2582853992118,2cyclictest2700366-21apt-get21:05:131
2582853992117,2cyclictest2690229-21apt-get20:55:131
2582853992117,2cyclictest2639082-21taskset20:05:131
258285399210,2cyclictest2868811-21unin-run23:50:001
258285399210,2cyclictest0-21swapper/120:35:121
258285399210,20cyclictest64-21kcompactd020:27:011
258285399210,20cyclictest3777322-21systemd-journal22:20:001
258285399210,20cyclictest2859408-21cut23:40:161
258285399210,20cyclictest2582863-21apt-config19:10:011
258285399210,1cyclictest0-21swapper/121:40:121
258285399210,1cyclictest0-21swapper/120:20:131
258285399210,19cyclictest2869550-21ps23:50:161
258285399210,19cyclictest2644146-21apt-get20:10:121
258285399210,19cyclictest0-21swapper/100:15:101
2582849992119,1cyclictest0-21swapper/019:40:120
258284999211,1cyclictest0-21swapper/019:15:110
258284999211,19cyclictest171ktimers/022:05:100
258284999210,20cyclictest2644641-21ps20:10:160
258284999210,20cyclictest2587323-21ntpq19:10:190
258284999210,20cyclictest1-21systemd00:35:000
258284999210,20cyclictest0-21swapper/023:05:120
258284999210,1cyclictest0-21swapper/023:00:110
258284999210,1cyclictest0-21swapper/021:50:210
258284999210,19cyclictest2721560-21irqcore21:25:170
2582860992018,1cyclictest0-21swapper/319:10:013
2582860992018,1cyclictest0-21swapper/300:17:073
2582860992017,2cyclictest0-21swapper/322:45:083
2582860992017,1cyclictest0-21swapper/320:05:313
258286099201,1cyclictest0-21swapper/319:55:133
258286099200,20cyclictest64-21kcompactd000:05:503
258286099200,20cyclictest64-21kcompactd000:05:503
258286099200,1cyclictest64-21kcompactd019:33:483
258286099200,1cyclictest0-21swapper/323:15:113
258286099200,1cyclictest0-21swapper/323:00:013
258286099200,1cyclictest0-21swapper/321:40:163
258286099200,1cyclictest0-21swapper/320:15:113
258286099200,19cyclictest0-21swapper/323:40:223
2582855992018,1cyclictest0-21swapper/223:47:322
2582855992018,1cyclictest0-21swapper/220:05:172
2582855992014,1cyclictest0-21swapper/222:20:002
258285599200,1cyclictest0-21swapper/223:05:042
258285599200,1cyclictest0-21swapper/222:39:162
258285599200,1cyclictest0-21swapper/221:25:132
258285599200,1cyclictest0-21swapper/219:15:102
258285599200,1cyclictest0-21swapper/200:31:052
258285599200,19cyclictest0-21swapper/200:00:122
2582853992018,1cyclictest0-21swapper/121:55:131
2582853992018,1cyclictest0-21swapper/121:15:111
2582853992018,1cyclictest0-21swapper/119:15:121
2582853992016,2cyclictest2914719-21apt-get00:35:111
2582853992016,2cyclictest2878052-21ntpq23:55:211
258285399200,1cyclictest64-21kcompactd019:11:131
258285399200,1cyclictest0-21swapper/100:30:081
258285399200,1cyclictest0-21swapper/100:20:141
258285399200,19cyclictest2679349-21apt-get20:45:021
258285399200,19cyclictest0-21swapper/123:15:111
258285399200,19cyclictest0-21swapper/119:55:211
258285399200,19cyclictest0-21swapper/119:25:131
2582849992019,1cyclictest0-21swapper/023:35:110
2582849992019,0cyclictest0-21swapper/019:46:420
2582849992018,1cyclictest0-21swapper/023:00:010
2582849992018,1cyclictest0-21swapper/020:29:420
2582849992018,1cyclictest0-21swapper/020:15:110
2582849992018,1cyclictest0-21swapper/019:33:480
2582849992017,2cyclictest2879215-21apt-get00:00:120
2582849992017,1cyclictest0-21swapper/021:35:100
2582849992016,3cyclictest2711005-21tr21:15:160
2582849992016,3cyclictest0-21swapper/021:50:000
258284999200,1cyclictest0-21swapper/023:50:120
258284999200,1cyclictest0-21swapper/022:30:110
258284999200,1cyclictest0-21swapper/022:10:130
258284999200,1cyclictest0-21swapper/000:35:110
258284999200,19cyclictest0-21swapper/023:20:120
258284999200,18cyclictest2720664-21latency_hist21:25:010
258284999200,18cyclictest2720664-21latency_hist21:25:000
2582860991918,1cyclictest0-21swapper/320:10:173
2582860991917,1cyclictest0-21swapper/320:55:313
2582860991916,2cyclictest491ktimers/321:10:103
2582860991914,3cyclictest2751574-21apt-get21:55:123
258286099190,1cyclictest0-21swapper/319:25:123
258286099190,18cyclictest0-21swapper/300:10:193
2582855991915,2cyclictest2710262-21systemd-run21:15:002
2582855991915,2cyclictest0-21swapper/219:40:322
2582853991916,2cyclictest2822729-21ls23:04:591
2582853991915,3cyclictest2628682-21cron19:55:001
2582849991917,1cyclictest2862897-21ntpq23:40:220
2582849991917,1cyclictest0-21swapper/021:30:120
2582849991917,1cyclictest0-21swapper/021:30:110
2582849991917,1cyclictest0-21swapper/000:10:120
2582849991916,2cyclictest2801162-21ps22:40:210
2582849991916,2cyclictest1-21systemd20:50:000
258284999190,1cyclictest0-21swapper/019:35:110
258284999190,18cyclictest0-21swapper/022:01:380
258284999190,18cyclictest0-21swapper/021:58:580
258284999190,18cyclictest0-21swapper/021:05:120
2582860991815,2cyclictest0-21swapper/320:50:123
2582855991816,1cyclictest0-21swapper/223:10:122
2582855991814,2cyclictest2843730-21apt-get23:25:122
2582855991814,2cyclictest0-21swapper/220:45:002
258285599180,17cyclictest0-21swapper/219:25:172
2582853991816,1cyclictest64-21kcompactd022:38:111
2582853991816,1cyclictest0-21swapper/123:30:121
2582853991816,1cyclictest0-21swapper/122:42:301
2582853991816,1cyclictest0-21swapper/120:30:111
2582853991815,2cyclictest2884781-21sort00:05:201
2582853991815,2cyclictest2884781-21sort00:05:191
2582853991815,2cyclictest0-21swapper/121:35:101
2582849991817,1cyclictest0-21swapper/000:05:500
2582849991817,1cyclictest0-21swapper/000:05:490
2582849991816,1cyclictest0-21swapper/023:30:120
2582849991816,1cyclictest0-21swapper/019:20:100
2582849991815,2cyclictest0-21swapper/022:15:120
2582849991814,2cyclictest2583031-21ls19:10:010
2582849991813,3cyclictest0-21swapper/020:55:000
2582860991714,2cyclictest0-21swapper/323:50:133
2582849991715,1cyclictest2864469-21ps23:45:170
2582849991715,1cyclictest0-21swapper/023:55:120
2582849991715,1cyclictest0-21swapper/022:37:070
2582849991714,2cyclictest62450irq/134-enp0s29f1:tx-022:20:170
2582849991714,2cyclictest61650irq/133-enp0s29f1:rx-020:35:240
2582849991714,2cyclictest2802189-21apt-get22:45:080
2582860991614,1cyclictest0-21swapper/322:51:393
2582860991614,1cyclictest0-21swapper/322:30:113
2582860991614,1cyclictest0-21swapper/322:10:123
2582860991614,1cyclictest0-21swapper/321:54:073
258285599162,1cyclictest2661411-21kthreadcore20:25:172
2582855991612,2cyclictest2608736-21apt-get19:35:122
2582853991615,1cyclictest0-21swapper/121:29:231
2582853991614,1cyclictest0-21swapper/120:15:121
2582853991612,3cyclictest2597368-21cut19:20:171
2582853991612,2cyclictest0-21swapper/120:00:101
2582849991613,2cyclictest2598664-21cpuspeed_turbos19:25:130
2582849991613,2cyclictest0-21swapper/020:55:310
2582849991613,2cyclictest0-21swapper/020:05:310
2582849991612,2cyclictest0-21swapper/019:55:120
2582855991513,1cyclictest0-21swapper/221:50:112
2582855991512,2cyclictest0-21swapper/220:20:132
258285399156,7cyclictest2777914-21sed22:20:181
2582853991513,1cyclictest0-21swapper/123:35:111
2582853991513,1cyclictest0-21swapper/123:27:401
2582853991513,1cyclictest0-21swapper/121:20:121
2582853991513,1cyclictest0-21swapper/121:20:121
2582853991513,1cyclictest0-21swapper/120:40:271
2582853991512,2cyclictest2757592-21kthreadcore22:00:161
258286099146,6cyclictest3777322-21systemd-journal22:05:003
2582860991411,2cyclictest2766527-21cron22:10:013
2582855991412,1cyclictest0-21swapper/223:55:132
2582855991412,1cyclictest0-21swapper/219:30:122
2582855991410,2cyclictest0-21swapper/223:40:142
2582849991412,2cyclictest61650irq/133-enp0s29f1:rx-000:28:360
2582849991412,1cyclictest0-21swapper/021:10:100
2582849991411,2cyclictest61650irq/133-enp0s29f1:rx-022:50:190
2582849991311,2cyclictest61650irq/133-enp0s29f1:rx-000:15:180
258286099127,4cyclictest2847551-21sed23:25:193
2582860991210,1cyclictest0-21swapper/320:35:123
2582855991210,1cyclictest0-21swapper/221:15:182
2582855991210,1cyclictest0-21swapper/219:10:012
258285399129,2cyclictest2695469-21fschecks_count21:00:141
258285399110,3cyclictest0-21swapper/121:45:011
258286099107,2cyclictest2664476-21cpuspeed_turbos20:30:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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