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2026-04-10 - 07:58
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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 Apr 10, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
267124499271,22cyclictest2860613-21apt-get22:15:121
267124099262,22cyclictest2936478-21apt-get23:30:100
2671247992520,2cyclictest2998150-21apt-get00:30:122
267124799251,21cyclictest2962223-21apt-get23:55:122
267124799251,20cyclictest2732615-21apt-get20:10:092
267124499252,21cyclictest2830295-21apt-get21:45:131
2671244992519,3cyclictest2768373-21apt-get20:45:121
267124499251,20cyclictest2794451-21apt-get21:10:131
2671240992517,6cyclictest2886433-21sed22:40:160
267124099251,22cyclictest3002893-21sshd00:34:100
267124099250,21cyclictest2850482-21apt-get22:05:130
2671249992418,4cyclictest2956866-21cron23:49:593
267124999241,20cyclictest2941534-21apt-get23:35:123
267124999241,20cyclictest2921282-21apt-get23:15:133
267124999241,20cyclictest0-21swapper/321:05:113
267124999240,23cyclictest2812608-21grep21:25:183
267124999240,23cyclictest2812608-21grep21:25:183
2671247992420,2cyclictest2916226-21apt-get23:10:112
2671247992418,4cyclictest2886883-21sed22:40:162
267124799241,21cyclictest2778904-21apt-get20:55:122
267124799240,3cyclictest2946389-21apt-config23:40:002
267124799240,23cyclictest2777730-21taskset20:50:262
267124499241,21cyclictest2819821-21latency_hist21:35:011
267124499240,23cyclictest2860364-21sleep22:15:001
267124099242,21cyclictest2742704-21apt-get20:20:120
2671240992420,2cyclictest2696756-21apt-get19:35:120
267124099241,3cyclictest509-21systemd-logind20:30:000
267124099241,21cyclictest2977883-21apt-get00:10:110
267124099241,21cyclictest2773405-21apt-get20:50:120
267124099240,20cyclictest0-21swapper/021:35:000
2671249992319,2cyclictest2763296-21apt-get20:40:113
2671249992318,4cyclictest2671943-21irqcore19:10:153
2671249992318,3cyclictest2978041-21sshd00:10:123
267124999231,20cyclictest0-21swapper/322:20:123
267124999230,20cyclictest0-21swapper/322:45:153
2671247992317,4cyclictest2855239-21idleruntime-cro22:10:002
267124799231,21cyclictest2976707-21ntpq00:05:202
267124799231,19cyclictest2967798-21apt-get00:00:122
267124799231,19cyclictest2967798-21apt-get00:00:112
267124799231,19cyclictest0-21swapper/220:20:122
267124799230,22cyclictest702-21runrttasks22:15:132
267124799230,22cyclictest2686376-21latency_hist19:25:002
267124799230,20cyclictest3003774-21cut00:35:142
267124799230,20cyclictest0-21swapper/221:45:142
267124799230,20cyclictest0-21swapper/200:20:142
2671244992319,2cyclictest2825734-21irqcore21:40:161
267124499231,2cyclictest2675385-21ntpq19:10:201
267124499231,20cyclictest2722470-21apt-get20:00:121
267124499231,20cyclictest2701830-21apt-get19:40:101
267124499231,20cyclictest0-21swapper/122:45:141
267124499231,20cyclictest0-21swapper/121:25:121
267124499231,20cyclictest0-21swapper/121:25:121
267124499231,20cyclictest0-21swapper/120:15:121
267124499230,4cyclictest2752507-21apt-get20:30:001
267124499230,22cyclictest2962425-21sshd23:55:131
267124499230,21cyclictest2961952-21idleruntime-cro23:55:001
267124499230,20cyclictest0-21swapper/123:45:111
267124499230,20cyclictest0-21swapper/123:35:121
267124499230,19cyclictest0-21swapper/123:20:121
2671240992319,3cyclictest2993074-21apt-get00:25:120
2671240992319,2cyclictest2794163-21cron21:10:000
2671240992319,2cyclictest0-21swapper/023:40:030
2671240992318,4cyclictest2962728-21grep23:55:160
267124099231,20cyclictest2870771-21apt-get22:25:130
267124099231,20cyclictest0-21swapper/023:45:120
2671249992219,2cyclictest2820187-21apt-get21:35:113
267124999220,21cyclictest2977604-21cron00:09:593
267124999220,19cyclictest0-21swapper/323:05:123
267124999220,19cyclictest0-21swapper/300:35:103
2671247992219,1cyclictest2890992-21apt-get22:45:152
267124799221,20cyclictest2715852-21ntpq19:50:192
267124799221,1cyclictest2896036-21apt-get22:50:132
267124799220,20cyclictest0-21swapper/220:45:122
267124799220,19cyclictest0-21swapper/223:30:102
267124799220,19cyclictest0-21swapper/223:25:122
267124799220,19cyclictest0-21swapper/222:10:112
267124799220,19cyclictest0-21swapper/221:40:122
2671244992219,2cyclictest2691703-21apt-get19:30:121
2671244992219,2cyclictest0-21swapper/120:55:021
2671244992218,2cyclictest0-21swapper/123:40:131
2671244992218,2cyclictest0-21swapper/122:05:131
2671244992217,3cyclictest2835344-21apt-get21:50:111
267124499221,2cyclictest0-21swapper/123:05:121
267124499221,2cyclictest0-21swapper/119:35:121
267124499221,20cyclictest2845556-21cpuspeed_turbos22:00:131
267124499221,20cyclictest0-21swapper/123:10:111
267124499221,20cyclictest0-21swapper/119:57:071
267124499220,20cyclictest0-21swapper/122:30:121
267124499220,20cyclictest0-21swapper/120:30:021
267124499220,20cyclictest0-21swapper/120:20:131
267124499220,19cyclictest0-21swapper/122:55:051
267124499220,19cyclictest0-21swapper/120:50:121
267124499220,19cyclictest0-21swapper/119:45:131
2671240992219,2cyclictest0-21swapper/020:10:020
2671240992217,3cyclictest261-21systemd-journal19:15:000
267124099221,20cyclictest0-21swapper/000:25:000
267124099220,2cyclictest0-21swapper/023:15:120
267124099220,21cyclictest2917177-21ps23:10:170
267124099220,20cyclictest2860621-21sshd22:15:120
267124099220,20cyclictest0-21swapper/021:45:130
2671249992119,1cyclictest0-21swapper/322:40:113
2671249992119,1cyclictest0-21swapper/321:45:143
2671249992119,1cyclictest0-21swapper/321:15:223
2671249992119,1cyclictest0-21swapper/321:10:133
2671249992118,1cyclictest0-21swapper/323:20:123
267124999211,19cyclictest64-21kcompactd023:12:493
267124999211,19cyclictest2757989-21munin-run20:35:003
267124999210,3cyclictest2987724-21idleruntime-cro00:20:003
267124999210,2cyclictest0-21swapper/319:40:113
267124999210,1cyclictest2783669-21https21:00:003
267124999210,19cyclictest0-21swapper/300:20:153
267124999210,18cyclictest0-21swapper/322:05:113
2671247992119,1cyclictest0-21swapper/223:50:132
2671247992119,1cyclictest0-21swapper/223:40:122
2671247992119,1cyclictest0-21swapper/219:55:132
2671247992118,2cyclictest1-21systemd00:20:012
2671247992118,1cyclictest2840405-21apt-get21:55:132
2671247992117,2cyclictest2814711-21apt-get21:30:142
2671247992116,4cyclictest2982238-21sed00:10:242
267124799210,2cyclictest2931160-21cron23:25:002
267124799210,2cyclictest2701830-21apt-get19:40:112
267124799210,20cyclictest64-21kcompactd019:16:152
2671244992119,1cyclictest0-21swapper/122:40:161
2671244992119,1cyclictest0-21swapper/100:10:201
2671244992118,2cyclictest0-21swapper/120:40:111
2671244992116,3cyclictest2941260-21idleruntime-cro23:34:591
267124499211,1cyclictest0-21swapper/120:10:101
267124499211,19cyclictest0-21swapper/119:25:241
267124499210,2cyclictest0-21swapper/119:20:111
267124499210,1cyclictest2789886-21ps21:05:161
267124499210,1cyclictest0-21swapper/123:15:131
267124499210,1cyclictest0-21swapper/121:35:021
267124499210,19cyclictest2996975-21ntpq00:25:201
2671240992119,1cyclictest0-21swapper/022:20:130
2671240992119,1cyclictest0-21swapper/019:52:160
2671240992119,1cyclictest0-21swapper/019:40:110
2671240992118,2cyclictest509-21systemd-logind23:40:000
2671240992118,2cyclictest0-21swapper/022:50:120
2671240992118,2cyclictest0-21swapper/019:20:120
2671240992118,2cyclictest0-21swapper/000:07:090
2671240992117,2cyclictest0-21swapper/022:00:120
2671240992116,3cyclictest3003763-21irqcore00:35:140
267124099211,1cyclictest0-21swapper/023:54:470
267124099210,20cyclictest0-21swapper/021:27:270
267124099210,20cyclictest0-21swapper/021:27:270
267124099210,20cyclictest0-21swapper/020:33:080
267124099210,20cyclictest0-21swapper/020:15:550
267124099210,1cyclictest0-21swapper/022:55:100
267124099210,1cyclictest0-21swapper/020:10:100
267124099210,19cyclictest0-21swapper/021:40:120
2671249992018,1cyclictest0-21swapper/323:40:133
2671249992018,1cyclictest0-21swapper/323:25:113
2671249992018,1cyclictest0-21swapper/322:00:223
2671249992018,1cyclictest0-21swapper/321:20:243
2671249992018,1cyclictest0-21swapper/320:10:103
2671249992018,1cyclictest0-21swapper/319:25:113
2671249992018,1cyclictest0-21swapper/300:00:133
2671249992018,1cyclictest0-21swapper/300:00:123
2671249992017,2cyclictest2711696-21sh19:50:003
2671249992017,2cyclictest1-21systemd21:45:003
2671249992016,2cyclictest2855513-21apt-get22:10:113
267124999200,2cyclictest2738148-21ps20:15:163
267124999200,1cyclictest64-21kcompactd020:45:303
267124999200,1cyclictest0-21swapper/322:50:213
267124999200,1cyclictest0-21swapper/321:04:203
267124999200,1cyclictest0-21swapper/320:05:093
267124999200,1cyclictest0-21swapper/319:15:113
267124999200,1cyclictest0-21swapper/300:25:203
267124999200,19cyclictest0-21swapper/322:16:243
267124999200,18cyclictest0-21swapper/319:20:113
2671247992019,1cyclictest0-21swapper/222:00:222
2671247992018,1cyclictest2737650-21apt-get20:15:122
2671247992018,1cyclictest0-21swapper/222:35:132
2671247992018,1cyclictest0-21swapper/222:20:122
2671247992018,1cyclictest0-21swapper/219:10:112
267124799200,1cyclictest64-21kcompactd021:16:422
267124799200,1cyclictest2748239-21grep20:25:172
267124799200,1cyclictest0-21swapper/223:05:122
267124799200,1cyclictest0-21swapper/223:00:112
267124799200,1cyclictest0-21swapper/219:30:132
2671244992017,2cyclictest2865716-21apt-get22:20:131
2671244992016,2cyclictest0-21swapper/100:15:121
267124499200,20cyclictest0-21swapper/120:35:131
267124499200,1cyclictest0-21swapper/122:30:001
2671240992017,2cyclictest2906142-21apt-get23:00:100
2671240992017,2cyclictest0-21swapper/019:25:110
267124099200,1cyclictest0-21swapper/021:00:000
267124099200,1cyclictest0-21swapper/019:15:200
267124099200,19cyclictest64-21kcompactd021:12:240
2671249991918,1cyclictest0-21swapper/300:30:203
2671249991917,1cyclictest2716754-21apt-get19:55:033
2671249991917,1cyclictest0-21swapper/322:30:223
267124999190,19cyclictest0-21swapper/321:56:293
2671247991918,1cyclictest0-21swapper/221:24:472
2671247991918,1cyclictest0-21swapper/220:05:182
2671247991917,1cyclictest0-21swapper/220:00:212
2671247991916,2cyclictest2876327-21irqcore22:30:172
2671247991916,2cyclictest2686647-21apt-get19:25:112
2671244991916,2cyclictest0-21swapper/122:50:131
2671244991916,1cyclictest0-21swapper/100:30:121
2671244991915,3cyclictest0-21swapper/100:10:001
2671240991917,1cyclictest0-21swapper/022:45:140
2671240991916,2cyclictest2876052-21fschecks_time22:30:140
2671240991916,2cyclictest0-21swapper/022:35:130
2671240991916,2cyclictest0-21swapper/022:10:170
2671240991914,4cyclictest2820693-21irqcore21:35:170
267124099190,1cyclictest0-21swapper/021:55:140
2671249991816,1cyclictest0-21swapper/323:30:023
2671249991816,1cyclictest0-21swapper/320:55:003
2671249991816,1cyclictest0-21swapper/320:00:123
267124999180,15cyclictest0-21swapper/320:20:123
2671247991815,2cyclictest2814432-21cron21:30:002
2671247991815,2cyclictest2814432-21cron21:30:002
2671247991815,2cyclictest0-21swapper/222:25:132
2671244991816,1cyclictest64-21kcompactd021:18:191
2671240991817,1cyclictest0-21swapper/021:00:160
2671240991816,1cyclictest0-21swapper/000:00:120
2671240991816,1cyclictest0-21swapper/000:00:110
2671240991814,2cyclictest2911195-21apt-get23:05:120
2671240991813,3cyclictest2758243-21apt-get20:35:130
2671249991715,1cyclictest64-21kcompactd022:59:233
2671249991715,1cyclictest2967067-21apt-get23:59:593
2671249991715,1cyclictest0-21swapper/319:30:123
267124999170,15cyclictest0-21swapper/320:35:163
2671247991716,1cyclictest0-21swapper/200:25:162
2671247991714,2cyclictest2956871-21idleruntime-cro23:49:592
2671244991715,1cyclictest0-21swapper/119:50:101
2671244991715,1cyclictest0-21swapper/119:15:121
2671244991713,3cyclictest2880980-21cpuspeed_turbos22:35:141
2671240991715,1cyclictest0-21swapper/023:25:130
2671240991715,1cyclictest0-21swapper/021:15:120
2671240991715,1cyclictest0-21swapper/020:46:020
2671240991712,4cyclictest2711691-21cron19:50:000
2671240991712,3cyclictest61650irq/133-enp0s29f1:rx-019:55:210
2671249991613,2cyclictest2881384-21cut22:35:163
2671249991613,2cyclictest0-21swapper/321:30:143
2671247991614,1cyclictest64-21kcompactd021:35:312
2671247991614,1cyclictest0-21swapper/223:15:172
2671247991614,1cyclictest0-21swapper/221:51:072
2671244991612,3cyclictest3003755-21ps00:35:141
2671244991612,3cyclictest2935225-21needreboot23:25:191
2671240991615,1cyclictest64-21kcompactd000:19:310
2671240991615,1cyclictest0-21swapper/021:50:110
2671240991615,1cyclictest0-21swapper/021:22:370
2671240991612,2cyclictest2931173-21sh23:25:000
2671247991513,1cyclictest0-21swapper/220:35:122
2671247991512,2cyclictest401ktimers/222:58:532
2671247991512,2cyclictest401ktimers/219:36:542
2671247991511,2cyclictest0-21swapper/221:05:162
2671247991511,2cyclictest0-21swapper/220:40:142
2671244991513,1cyclictest0-21swapper/123:00:121
2671244991513,1cyclictest0-21swapper/100:00:121
2671244991513,1cyclictest0-21swapper/100:00:111
2671240991512,2cyclictest64-21kcompactd020:00:520
2671240991512,2cyclictest61650irq/133-enp0s29f1:rx-019:30:220
2671249991410,3cyclictest2752034-21unixbench_multi20:25:263
2671247991411,2cyclictest2756990-21needreboot20:30:192
2671240991411,2cyclictest61650irq/133-enp0s29f1:rx-020:40:440
267124999139,3cyclictest0-21swapper/323:00:223
2671249991311,1cyclictest0-21swapper/319:35:123
267124499138,4cyclictest2844693-21unixbench_multi21:55:261
267124499138,4cyclictest2808546-21ntpq21:20:231
2671244991311,1cyclictest0-21swapper/120:05:091
2671244991310,2cyclictest2788668-21tail21:00:241
2671244991310,1cyclictest0-21swapper/100:20:281
267124999128,2cyclictest2715882-21ntpq19:50:203
267124999126,4cyclictest2835635-21fw_forwarded_lo21:50:133
267124999116,4cyclictest2874714-21ntpq22:25:223
267124799118,2cyclictest2784429-21cpuspeed_turbos21:00:132
267124999107,2cyclictest0-21swapper/323:50:143
267124799109,1cyclictest0-21swapper/221:10:182
267124799100,9cyclictest2711800-21cat19:50:012
267124499100,2cyclictest2671167-21latency_hist19:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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