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2026-04-14 - 18:12
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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 376 highest latencies:
System rackeslot4.osadl.org (updated Tue Apr 14, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2522568993229,2cyclictest2552972-21fwupd19:36:012
2522561993120,9cyclictest1-21systemd19:36:020
252256199311,29cyclictest0-21swapper/020:00:120
2522561993018,1cyclictest0-21swapper/019:25:010
2522568992924,2cyclictest0-21swapper/200:15:172
252256199291,1cyclictest0-21swapper/000:30:030
2522561992820,7cyclictest2599441-21apt-get20:25:120
252256199281,2cyclictest2752680-21apt-get22:55:110
252256199280,20cyclictest0-21swapper/020:15:220
252256899271,21cyclictest2676309-21apt-get21:40:142
252256399272,21cyclictest2527878-21apt-get19:15:131
2522561992715,2cyclictest2676034-21cron21:40:000
252256199270,1cyclictest0-21swapper/022:10:120
252256899262,3cyclictest2849729-21apt-get00:30:132
252256899261,22cyclictest2630300-21seq20:55:132
252256899261,22cyclictest2625252-21apt-get20:50:122
252256899261,21cyclictest2783004-21apt-get23:25:122
252256899261,21cyclictest2772895-21apt-get23:15:132
252256399262,20cyclictest2717235-21apt-get22:20:111
2522561992617,2cyclictest0-21swapper/023:15:130
2522570992522,2cyclictest514-21in:imuxsock23:55:003
252257099252,20cyclictest2548144-21apt-get19:35:133
252257099251,21cyclictest2829041-21apt-get00:10:123
252256899251,3cyclictest2558831-21apt-get19:45:122
252256899251,21cyclictest2798165-21apt-get23:40:132
252256899251,21cyclictest2762789-21apt-get23:05:122
252256899251,21cyclictest2691495-21apt-get21:55:122
252256899251,21cyclictest2604509-21apt-get20:30:142
252256899251,21cyclictest2543067-21apt-get19:30:132
252256899251,21cyclictest0-21swapper/220:45:132
252256899251,21cyclictest0-21swapper/220:45:132
252256899251,20cyclictest0-21swapper/222:40:112
252256899250,21cyclictest2828401-21dpkg00:10:002
252256399251,20cyclictest2834093-21apt-get00:15:121
2522561992519,5cyclictest0-21swapper/021:10:120
252257099241,2cyclictest2798165-21apt-get23:40:133
252257099241,20cyclictest2620185-21apt-get20:45:133
252257099241,20cyclictest2620185-21apt-get20:45:133
252257099241,20cyclictest2574059-21apt-get20:00:123
252257099241,1cyclictest0-21swapper/319:45:123
252257099240,19cyclictest0-21swapper/300:05:113
2522568992420,2cyclictest2762509-21cron23:05:002
2522568992420,2cyclictest2716128-21ntpq22:15:222
252256899241,3cyclictest2635366-21apt-get21:00:122
252256899241,22cyclictest2589311-21apt-get20:15:122
252256899240,22cyclictest2859598-21cron00:40:002
252256899240,21cyclictest0-21swapper/223:20:122
252256899240,21cyclictest0-21swapper/223:20:122
252256399243,2cyclictest2553433-21munin-run19:40:001
2522563992420,2cyclictest2788057-21apt-get23:30:121
2522563992420,2cyclictest2707080-21apt-get22:10:121
252256399241,20cyclictest2839151-21apt-get00:20:111
2522561992419,4cyclictest0-21swapper/023:55:480
252256199241,3cyclictest2702025-21apt-get22:05:110
252256199241,20cyclictest64-21kcompactd019:25:080
252256199240,19cyclictest0-21swapper/023:21:560
252256199240,19cyclictest0-21swapper/023:21:550
2522570992320,2cyclictest2640433-21apt-get21:05:123
252257099231,2cyclictest2608394-21ntpq20:30:223
252257099231,2cyclictest2522777-21apt-get19:10:123
252257099231,19cyclictest0-21swapper/300:30:133
252257099230,20cyclictest2737495-21apt-get22:40:113
252257099230,20cyclictest2569172-21grep19:55:143
252257099230,20cyclictest0-21swapper/319:15:133
252257099230,19cyclictest0-21swapper/321:00:123
252257099230,19cyclictest0-21swapper/320:25:123
2522568992320,2cyclictest0-21swapper/200:30:012
2522568992319,2cyclictest2661137-21apt-get21:25:142
2522568992319,2cyclictest2563945-21apt-get19:50:122
2522568992319,2cyclictest0-21swapper/219:55:122
2522568992318,3cyclictest2732937-21irqcore22:35:182
252256899231,20cyclictest0-21swapper/219:25:112
252256899230,3cyclictest2772618-21cron23:15:002
252256899230,2cyclictest2722312-21apt-get22:25:122
252256899230,20cyclictest0-21swapper/221:05:122
252256899230,20cyclictest0-21swapper/220:25:132
2522563992319,3cyclictest2813071-21cron23:55:001
252256399231,21cyclictest2649817-21ntpq21:10:201
252256399231,19cyclictest2630296-21apt-get20:55:121
252256399230,20cyclictest0-21swapper/120:45:141
252256399230,20cyclictest0-21swapper/120:45:131
2522561992319,2cyclictest2594372-21apt-get20:20:130
252256199231,2cyclictest2543067-21apt-get19:30:130
252256199231,21cyclictest2808273-21apt-get23:50:130
252256199231,20cyclictest2736347-21ntpq22:35:230
252256199230,20cyclictest2645576-21apt-config21:10:010
2522570992219,2cyclictest2696572-21apt-get22:00:133
2522570992219,2cyclictest0-21swapper/321:40:143
2522570992219,1cyclictest0-21swapper/323:05:123
2522570992218,3cyclictest2757735-21apt-get23:00:143
2522570992217,3cyclictest0-21swapper/323:15:133
252257099220,20cyclictest3871586-21snmpd23:25:213
252257099220,19cyclictest0-21swapper/323:30:123
2522568992219,2cyclictest0-21swapper/220:37:232
2522568992219,2cyclictest0-21swapper/219:40:122
2522568992219,2cyclictest0-21swapper/219:15:142
2522568992219,1cyclictest0-21swapper/222:20:112
2522568992218,2cyclictest0-21swapper/222:00:132
2522568992217,3cyclictest2727367-21apt-get22:30:122
252256899221,2cyclictest0-21swapper/222:54:302
252256899221,2cyclictest0-21swapper/220:10:102
252256899221,2cyclictest0-21swapper/219:12:142
252256899221,20cyclictest0-21swapper/221:52:402
252256899221,1cyclictest0-21swapper/221:13:262
252256899220,2cyclictest0-21swapper/221:22:012
252256899220,20cyclictest2655795-21idleruntime-cro21:20:002
252256899220,20cyclictest0-21swapper/219:20:102
2522563992220,1cyclictest2767842-21apt-get23:10:111
2522563992220,1cyclictest2584217-21apt-get20:10:101
2522563992219,2cyclictest0-21swapper/122:10:001
252256399221,1cyclictest2553693-21apt-get19:40:121
252256399220,20cyclictest2572971-21ntpq19:55:221
252256399220,20cyclictest0-21swapper/122:25:121
252256399220,19cyclictest0-21swapper/121:55:111
252256199221,20cyclictest2609979-21apt-get20:35:120
252256199221,1cyclictest0-21swapper/023:00:140
2522570992119,1cyclictest2732445-21apt-get22:35:143
2522570992119,1cyclictest0-21swapper/321:55:133
2522570992118,2cyclictest64-21kcompactd020:35:143
2522570992117,2cyclictest0-21swapper/320:55:123
2522570992116,3cyclictest2834577-21ps00:15:163
252257099211,19cyclictest0-21swapper/322:53:573
252257099210,1cyclictest2712157-21apt-get22:15:123
252257099210,19cyclictest0-21swapper/320:10:103
252257099210,19cyclictest0-21swapper/319:25:103
2522568992119,1cyclictest0-21swapper/222:08:162
2522568992118,2cyclictest0-21swapper/222:10:122
252256899211,1cyclictest2742550-21apt-get22:45:122
252256899210,20cyclictest0-21swapper/223:45:142
252256899210,20cyclictest0-21swapper/221:37:372
2522563992119,1cyclictest0-21swapper/120:40:121
2522563992119,1cyclictest0-21swapper/120:20:131
2522563992118,2cyclictest2827454-21ntpq00:05:201
2522563992118,2cyclictest0-21swapper/121:40:131
2522563992117,2cyclictest2777951-21apt-get23:20:111
2522563992117,2cyclictest2777951-21apt-get23:20:111
252256399210,20cyclictest64-21kcompactd021:06:251
252256399210,20cyclictest2849062-21https00:30:011
252256399210,1cyclictest0-21swapper/120:00:131
252256399210,19cyclictest0-21swapper/122:45:131
252256399210,19cyclictest0-21swapper/122:30:131
2522561992119,1cyclictest0-21swapper/021:55:110
2522561992117,2cyclictest0-21swapper/022:20:110
252256199210,2cyclictest0-21swapper/000:35:120
252256199210,20cyclictest2691215-21cron21:55:000
252256199210,20cyclictest0-21swapper/022:40:110
252256199210,20cyclictest0-21swapper/022:15:130
252256199210,20cyclictest0-21swapper/021:25:130
252256199210,20cyclictest0-21swapper/000:10:120
252256199210,1cyclictest0-21swapper/019:55:120
2522570992018,1cyclictest0-21swapper/323:45:143
2522570992018,1cyclictest0-21swapper/323:35:113
2522570992018,1cyclictest0-21swapper/321:50:113
2522570992017,2cyclictest64-21kcompactd021:37:373
2522570992017,2cyclictest2522555-21cyclictest22:55:253
2522570992016,2cyclictest2567846-21seq19:50:213
2522570992016,2cyclictest0-21swapper/322:30:123
252257099200,1cyclictest0-21swapper/323:20:123
252257099200,1cyclictest0-21swapper/323:20:123
252257099200,1cyclictest0-21swapper/322:10:133
252257099200,1cyclictest0-21swapper/321:20:123
252257099200,1cyclictest0-21swapper/319:20:103
252257099200,1cyclictest0-21swapper/300:26:593
252257099200,18cyclictest0-21swapper/322:45:113
2522568992018,1cyclictest0-21swapper/223:35:122
2522568992018,1cyclictest0-21swapper/220:20:122
2522568992017,2cyclictest64-21kcompactd023:56:522
252256899200,1cyclictest0-21swapper/223:30:112
2522563992018,1cyclictest2716971-21latency_hist22:20:001
2522563992018,1cyclictest0-21swapper/123:40:131
2522563992018,1cyclictest0-21swapper/123:15:131
2522563992018,1cyclictest0-21swapper/122:58:151
2522563992018,1cyclictest0-21swapper/120:29:511
2522563992017,2cyclictest2681363-21apt-get21:45:121
2522563992017,1cyclictest0-21swapper/123:05:121
252256399200,1cyclictest2828347-21apt-get00:10:031
252256399200,1cyclictest0-21swapper/123:25:121
252256399200,1cyclictest0-21swapper/121:15:131
252256399200,19cyclictest2542795-21idleruntime-cro19:30:011
252256399200,19cyclictest1-21systemd20:40:001
2522561992018,1cyclictest0-21swapper/021:33:500
2522561992016,2cyclictest2727090-21cron22:29:590
252256199200,20cyclictest64-21kcompactd020:09:250
252256199200,1cyclictest0-21swapper/022:33:330
252256199200,1cyclictest0-21swapper/021:40:230
252256199200,1cyclictest0-21swapper/020:47:360
252256199200,1cyclictest0-21swapper/020:47:360
252256199200,19cyclictest0-21swapper/020:43:180
252256199200,19cyclictest0-21swapper/000:20:110
2522570991917,1cyclictest2655790-21cron21:20:003
2522570991917,1cyclictest0-21swapper/321:13:253
252257099190,1cyclictest0-21swapper/323:10:113
252257099190,1cyclictest0-21swapper/321:45:123
2522568991915,2cyclictest0-21swapper/200:00:112
2522563991917,1cyclictest0-21swapper/122:35:141
2522563991915,2cyclictest2803199-21apt-get23:45:151
252256399190,1cyclictest0-21swapper/123:00:131
252256399190,18cyclictest2660227-21grep21:20:241
2522561991917,1cyclictest0-21swapper/023:05:120
2522561991917,1cyclictest0-21swapper/022:50:120
2522561991917,1cyclictest0-21swapper/019:10:120
2522561991917,1cyclictest0-21swapper/000:00:120
2522561991916,2cyclictest516-21rs:main0
2522570991816,1cyclictest0-21swapper/320:06:123
2522570991816,1cyclictest0-21swapper/319:30:133
2522570991815,2cyclictest2841383-21kthreadcore00:20:173
2522570991815,2cyclictest2615558-21irqcore20:40:163
2522568991814,2cyclictest0-21swapper/200:10:122
2522568991813,3cyclictest0-21swapper/220:00:122
2522563991816,1cyclictest0-21swapper/119:45:121
2522563991816,1cyclictest0-21swapper/119:20:111
2522563991816,1cyclictest0-21swapper/100:33:181
2522563991815,2cyclictest2813348-21apt-get23:55:111
2522563991814,3cyclictest2635589-21fschecks_time21:00:141
2522563991814,2cyclictest261-21systemd-journal23:40:001
2522563991814,2cyclictest0-21swapper/122:54:591
2522563991814,2cyclictest0-21swapper/122:05:011
2522563991812,5cyclictest2591534-21kthreadcore20:15:181
2522561991816,1cyclictest0-21swapper/023:35:120
2522561991815,2cyclictest2790274-21ps23:30:180
2522561991815,2cyclictest0-21swapper/021:00:120
252256199180,0cyclictest0-21swapper/023:40:220
2522570991715,1cyclictest64-21kcompactd022:29:153
2522570991715,1cyclictest0-21swapper/319:40:123
2522570991714,2cyclictest0-21swapper/320:50:133
2522570991713,3cyclictest0-21swapper/322:20:113
2522570991713,3cyclictest0-21swapper/322:08:163
2522568991715,1cyclictest0-21swapper/222:55:342
2522568991712,2cyclictest2843976-21idleruntime-cro00:25:002
2522563991715,1cyclictest0-21swapper/120:05:121
2522563991715,1cyclictest0-21swapper/100:35:121
2522563991714,2cyclictest0-21swapper/122:44:591
2522561991715,1cyclictest0-21swapper/023:10:120
2522561991715,1cyclictest0-21swapper/000:19:270
2522561991714,2cyclictest61650irq/133-enp0s29f1:rx-021:20:250
2522561991714,2cyclictest0-21swapper/020:35:000
2522561991712,4cyclictest2828357-21/usr/sbin/munin00:10:000
2522561991712,4cyclictest2686149-21cron21:50:010
2522570991613,2cyclictest2823325-21idleruntime-cro00:05:003
2522570991613,2cyclictest0-21swapper/321:25:143
2522570991613,2cyclictest0-21swapper/320:15:133
2522568991614,1cyclictest2619918-21idleruntime-cro20:45:002
2522563991613,2cyclictest2625554-21grep20:50:151
2522563991613,2cyclictest0-21swapper/121:55:001
2522563991612,3cyclictest2608316-21needreboot20:30:221
2522561991614,1cyclictest0-21swapper/019:49:310
2522561991613,2cyclictest61650irq/133-enp0s29f1:rx-020:10:200
2522561991613,2cyclictest0-21swapper/021:15:140
2522561991612,3cyclictest61650irq/133-enp0s29f1:rx-019:40:130
2522561991612,2cyclictest0-21swapper/023:50:010
252257099159,4cyclictest261-21systemd-journal00:36:493
2522568991513,1cyclictest0-21swapper/221:30:182
252256399155,9cyclictest2522980-21uniq19:10:151
2522561991512,2cyclictest61650irq/133-enp0s29f1:rx-019:50:210
2522561991511,3cyclictest61650irq/133-enp0s29f1:rx-022:05:010
2522561991511,3cyclictest61650irq/133-enp0s29f1:rx-000:25:110
2522570991412,1cyclictest0-21swapper/320:20:123
2522570991411,1cyclictest0-21swapper/323:56:523
2522568991412,1cyclictest2579127-21apt-get20:05:122
2522568991412,1cyclictest0-21swapper/223:50:212
252256899140,1cyclictest0-21swapper/221:45:142
252256399140,13cyclictest0-21swapper/121:35:271
2522561991411,2cyclictest61650irq/133-enp0s29f1:rx-020:50:120
2522561991410,3cyclictest61650irq/133-enp0s29f1:rx-020:55:200
2522561991410,3cyclictest61650irq/133-enp0s29f1:rx-019:15:130
2522563991311,1cyclictest0-21swapper/100:04:561
252257099117,3cyclictest2670279-21/usr/sbin/munin21:30:253
252257099117,3cyclictest2522491-21latency_hist19:10:013
252256399118,2cyclictest2564439-21irqcore19:50:161
252256399110,3cyclictest2522578-21cat19:10:011
252256199116,4cyclictest2784275-21tr23:25:170
252256199110,4cyclictest2522571-21cat19:10:010
252256399107,2cyclictest0-21swapper/121:25:131
25225639997,1cyclictest0-21swapper/119:30:191
25225689981,4cyclictest2522584-21taskset19:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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