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2026-07-22 - 05:20
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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 Wed Jul 22, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
233946599377,27cyclictest0-21swapper/023:25:160
233946599321,28cyclictest0-21swapper/021:20:140
233946599310,30cyclictest1-21systemd19:44:590
2339475992925,2cyclictest0-21swapper/319:20:153
233946599291,9cyclictest1-21systemd21:35:010
233946599290,9cyclictest2594062-21ls23:20:000
233946599290,9cyclictest2594062-21ls23:20:000
233946599290,26cyclictest0-21swapper/021:35:030
233946799281,22cyclictest2584171-21apt-get23:10:131
233946599288,9cyclictest0-21swapper/023:50:000
233946599287,10cyclictest0-21swapper/022:40:150
2339465992820,6cyclictest2369398-21ntpq19:35:220
2339465992819,7cyclictest0-21swapper/020:40:150
2339465992819,7cyclictest0-21swapper/020:40:140
233946599281,7cyclictest0-21swapper/023:05:110
2339475992724,2cyclictest0-21swapper/320:40:193
2339475992724,2cyclictest0-21swapper/320:40:183
233946799272,21cyclictest2406049-21apt-get20:15:141
233946799272,21cyclictest2385681-21apt-get19:55:121
2339465992715,10cyclictest2646212-21fw_forwarded_lo00:10:140
233946599271,25cyclictest2660032-21ntpq00:20:210
233946599271,23cyclictest2492811-21apt-get21:40:130
233946599270,26cyclictest2507774-21basename21:55:010
233946599270,26cyclictest0-21swapper/019:30:120
233946599270,24cyclictest0-21swapper/021:10:140
233946599270,24cyclictest0-21swapper/000:35:130
233946799261,22cyclictest2538510-21apt-get22:25:141
233946799261,20cyclictest2518186-21apt-get22:05:151
2339465992617,8cyclictest2456596-21munin-run21:05:000
233946599261,6cyclictest0-21swapper/021:28:570
2339465992616,2cyclictest2380362-21awk19:50:000
233946599261,24cyclictest0-21swapper/020:36:490
233946599261,13cyclictest2399856-21ld20:05:220
233946599260,1cyclictest0-21swapper/020:30:190
233946599260,19cyclictest2391233-21ps20:00:160
2339470992523,1cyclictest41-21ksoftirqd/219:44:592
233947099252,21cyclictest2421256-21apt-get20:30:122
233947099251,22cyclictest2553713-21apt-get22:40:122
233946799252,3cyclictest2482204-21apt-get21:30:131
233946799251,22cyclictest2514066-21sort22:00:181
233946799251,21cyclictest2618976-21ntpq23:40:341
233946799251,20cyclictest2548670-21apt-get22:35:141
233946799251,20cyclictest0-21swapper/119:35:131
233946599251,20cyclictest0-21swapper/000:25:130
233946599251,12cyclictest500-21dbus-daemon21:50:010
233946599250,13cyclictest2654954-21ld00:15:220
2339475992421,1cyclictest2513113-21apt-get22:00:133
2339475992420,2cyclictest2640857-21apt-get00:05:133
233947599241,20cyclictest2436537-21apt-get20:45:133
233947599240,20cyclictest0-21swapper/320:50:123
233947099243,20cyclictest0-21swapper/200:20:162
2339470992421,2cyclictest391rcuc/223:10:002
2339470992420,2cyclictest2574031-21apt-get23:00:132
2339467992420,2cyclictest2630734-21apt-get23:55:111
233946799241,2cyclictest2370499-21apt-get19:40:111
233946799241,21cyclictest2624940-21cron23:50:001
233946799241,21cyclictest2481019-21ntpq21:25:221
233946799241,20cyclictest2645925-21apt-get00:10:111
233946799240,22cyclictest2441325-21cron20:50:001
233946799240,21cyclictest0-21swapper/122:15:121
233946599240,22cyclictest2523755-21ps22:10:170
233946599240,21cyclictest2406531-21irqcore20:15:180
233946599240,21cyclictest0-21swapper/022:45:120
233946599240,14cyclictest2436726-21fschecks_count20:45:150
233946599240,13cyclictest2609621-21cpuspeed_turbos23:35:130
233946599240,13cyclictest2419565-21grep20:25:200
233946599240,12cyclictest2540671-21grep22:25:190
233946599240,12cyclictest2356321-21grep19:25:180
2339475992320,1cyclictest2400979-21apt-get20:10:123
233947599231,2cyclictest2594334-21apt-get23:20:133
233947599231,2cyclictest0-21swapper/323:05:163
233947599231,20cyclictest2380608-21apt-get19:50:093
233947599230,22cyclictest2624988-21apt-key23:50:003
233947599230,21cyclictest2584653-21irqcore23:10:173
233947599230,19cyclictest0-21swapper/319:40:113
233947099232,20cyclictest2497881-21apt-get21:45:132
2339470992320,2cyclictest2558779-21apt-get22:45:132
2339470992319,2cyclictest2523272-21apt-get22:10:122
2339470992318,4cyclictest2613533-21ntpq23:35:212
233947099231,2cyclictest2404965-21ntpq20:10:222
233947099231,2cyclictest2354868-21apt-get19:25:122
233947099231,20cyclictest2487720-21apt-get21:35:132
233947099230,22cyclictest2668477-21ps00:30:172
233947099230,20cyclictest0-21swapper/219:35:122
2339467992319,2cyclictest0-21swapper/123:00:131
2339467992319,2cyclictest0-21swapper/122:20:121
2339467992318,3cyclictest0-21swapper/119:15:191
233946799231,3cyclictest2446422-21ls20:54:591
233946799231,2cyclictest0-21swapper/120:05:121
233946799231,2cyclictest0-21swapper/100:20:131
233946799231,21cyclictest2487720-21apt-get21:35:141
233946799231,20cyclictest0-21swapper/121:40:131
233946799230,21cyclictest0-21swapper/123:25:111
233946799230,20cyclictest0-21swapper/123:30:121
233946799230,20cyclictest0-21swapper/122:45:131
233946799230,20cyclictest0-21swapper/120:30:121
233946799230,20cyclictest0-21swapper/119:10:111
233946599232,9cyclictest2343983-21awk19:10:250
2339465992319,2cyclictest2533412-21apt-get22:20:120
233946599231,20cyclictest2574514-21ps23:00:170
233946599231,1cyclictest2344731-21apt-get19:15:150
233946599230,20cyclictest0-21swapper/022:50:120
233946599230,20cyclictest0-21swapper/000:05:130
233946599230,12cyclictest2585688-21grep23:10:180
233946599230,12cyclictest2528390-21grep22:15:130
233946599230,11cyclictest2626588-21grep23:50:190
233946599230,11cyclictest2522334-21switchtime22:05:270
233946599230,10cyclictest2598803-21chrt23:20:290
233946599230,10cyclictest2352027-21kthreadcore19:20:180
2339475992219,1cyclictest2604521-21apt-get23:30:123
2339475992219,1cyclictest0-21swapper/321:45:133
2339475992218,3cyclictest2544089-21grep22:30:183
233947599221,20cyclictest2576253-21ps23:00:193
233947599221,20cyclictest2502969-21apt-get21:50:113
233947599221,1cyclictest2528340-21apt-get22:15:123
233947599220,2cyclictest2486318-21/usr/sbin/munin21:30:243
233947599220,21cyclictest2640578-21cron00:05:003
233947599220,19cyclictest0-21swapper/322:35:133
233947599220,19cyclictest0-21swapper/322:10:123
2339470992219,2cyclictest2518672-21irqcore22:05:202
2339470992218,2cyclictest2456859-21apt-get21:05:142
233947099221,20cyclictest2563869-21apt-get22:50:122
233947099221,20cyclictest2395863-21apt-get20:05:122
233947099220,20cyclictest0-21swapper/222:35:142
2339467992219,2cyclictest0-21swapper/120:40:151
2339467992219,2cyclictest0-21swapper/120:40:141
2339467992219,1cyclictest0-21swapper/120:10:121
2339467992219,1cyclictest0-21swapper/119:45:141
2339467992218,2cyclictest2650996-21apt-get00:15:131
2339467992218,2cyclictest0-21swapper/122:40:121
233946799221,2cyclictest2670196-21ntpq00:30:211
233946799221,2cyclictest0-21swapper/121:00:131
233946799221,20cyclictest0-21swapper/120:24:591
233946799220,2cyclictest0-21swapper/120:00:121
233946799220,19cyclictest0-21swapper/121:20:141
233946799220,19cyclictest0-21swapper/121:10:141
2339465992219,2cyclictest0-21swapper/020:55:140
2339465992218,2cyclictest0-21swapper/021:55:130
2339465992217,3cyclictest2549165-21ps22:35:180
2339465992212,7cyclictest61650irq/133-enp0s29f1:rx-019:55:120
233946599220,12cyclictest2415017-21ld20:20:210
233946599220,11cyclictest2456865-21grep21:05:160
233946599220,11cyclictest2381526-21grep19:50:150
233946599220,10cyclictest702-21runrttasks20:14:440
233946599220,10cyclictest2445946-21unixbench_multi20:50:250
2339475992119,1cyclictest64-21kcompactd019:11:513
2339475992119,1cyclictest0-21swapper/322:55:143
2339475992119,1cyclictest0-21swapper/322:50:123
2339475992119,1cyclictest0-21swapper/321:05:143
2339475992119,1cyclictest0-21swapper/320:15:143
2339475992119,1cyclictest0-21swapper/319:55:123
2339475992119,1cyclictest0-21swapper/300:12:233
2339475992118,2cyclictest2615058-21apt-get23:40:113
2339475992118,2cyclictest2611789-21kthreadcore23:35:173
2339475992118,2cyclictest2376056-21grep19:45:183
233947599211,1cyclictest0-21swapper/320:30:133
233947599210,2cyclictest2420980-21cron20:29:593
233947599210,2cyclictest2390749-21apt-get20:00:133
233947599210,20cyclictest2563591-21cron22:50:003
233947599210,20cyclictest0-21swapper/323:15:143
233947599210,20cyclictest0-21swapper/323:15:143
233947599210,20cyclictest0-21swapper/300:30:113
233947599210,1cyclictest2360361-21apt-get19:30:123
233947599210,19cyclictest0-21swapper/319:35:123
233947599210,19cyclictest0-21swapper/319:25:123
233947599210,18cyclictest0-21swapper/322:20:113
2339470992119,1cyclictest516-21rs:main2
2339470992119,1cyclictest516-21rs:main2
2339470992119,1cyclictest2517100-21ntpq22:00:242
2339470992119,1cyclictest0-21swapper/220:50:112
2339470992118,2cyclictest2467530-21tr21:15:162
2339470992117,3cyclictest2446700-21runrttasks20:55:142
233947099211,1cyclictest0-21swapper/222:30:142
233947099210,20cyclictest2600398-21sed23:25:162
233947099210,20cyclictest0-21swapper/222:15:122
233947099210,20cyclictest0-21swapper/220:25:132
233947099210,1cyclictest64-21kcompactd019:15:062
233947099210,19cyclictest0-21swapper/219:55:122
2339467992119,1cyclictest0-21swapper/121:50:121
2339467992118,2cyclictest64-21kcompactd021:16:031
2339467992117,2cyclictest0-21swapper/123:20:121
233946799211,19cyclictest0-21swapper/100:26:541
233946799210,1cyclictest0-21swapper/119:20:121
233946799210,19cyclictest0-21swapper/119:25:131
2339465992111,9cyclictest0-21swapper/022:30:200
233946599210,20cyclictest0-21swapper/000:34:580
2339475992019,0cyclictest0-21swapper/322:40:123
2339475992018,1cyclictest2656089-21apt-get00:20:113
2339475992018,1cyclictest0-21swapper/300:35:113
2339475992017,2cyclictest2446697-21apt-get20:55:143
233947599200,1cyclictest0-21swapper/323:58:243
233947599200,1cyclictest0-21swapper/322:05:143
233947599200,1cyclictest0-21swapper/321:20:133
233947599200,19cyclictest0-21swapper/300:15:133
233947599200,18cyclictest0-21swapper/321:10:143
2339470992019,1cyclictest64-21kcompactd019:32:182
2339470992019,1cyclictest0-21swapper/200:15:212
2339470992018,1cyclictest0-21swapper/223:40:122
2339470992017,2cyclictest0-21swapper/222:55:142
2339470992017,2cyclictest0-21swapper/221:35:012
2339470992016,2cyclictest2375569-21apt-get19:45:142
233947099200,1cyclictest0-21swapper/222:20:122
233947099200,1cyclictest0-21swapper/221:25:142
233947099200,1cyclictest0-21swapper/221:00:282
233947099200,1cyclictest0-21swapper/200:10:112
233947099200,1cyclictest0-21swapper/200:00:122
233947099200,19cyclictest64-21kcompactd020:15:512
233947099200,19cyclictest64-21kcompactd019:14:332
233947099200,19cyclictest0-21swapper/223:18:372
233947099200,19cyclictest0-21swapper/223:18:372
233947099200,19cyclictest0-21swapper/220:45:132
233947099200,19cyclictest0-21swapper/220:20:222
233947099200,19cyclictest0-21swapper/200:08:052
2339467992018,1cyclictest64-21kcompactd021:47:141
2339467992018,1cyclictest0-21swapper/122:10:121
2339467992017,2cyclictest0-21swapper/122:55:131
2339467992017,2cyclictest0-21swapper/122:50:121
2339467992017,2cyclictest0-21swapper/120:55:141
2339467992017,2cyclictest0-21swapper/119:30:121
2339465992018,1cyclictest0-21swapper/023:55:120
233946599200,1cyclictest0-21swapper/023:40:110
233946599200,18cyclictest2514347-21grep22:00:190
233946599200,10cyclictest2471820-21chrt21:19:500
233946599200,10cyclictest0-21swapper/022:55:200
2339475991917,1cyclictest0-21swapper/322:25:133
2339475991915,2cyclictest2599449-21apt-get23:25:113
2339475991915,2cyclictest2477160-21apt-get21:25:143
233947599190,1cyclictest0-21swapper/321:55:133
233947599190,1cyclictest0-21swapper/321:00:133
233947599190,18cyclictest2426825-21cut20:35:153
2339470991917,1cyclictest0-21swapper/221:55:132
2339470991915,3cyclictest2390752-21seq20:00:122
2339470991914,3cyclictest2665098-21runrttasks00:25:212
233947099190,1cyclictest0-21swapper/223:14:192
2339467991917,1cyclictest0-21swapper/123:35:121
233946799190,0cyclictest0-21swapper/120:35:121
2339465991917,1cyclictest0-21swapper/023:30:120
233947599180,18cyclictest0-21swapper/323:50:203
2339470991816,1cyclictest0-21swapper/223:20:122
2339470991816,1cyclictest0-21swapper/221:50:112
2339470991816,1cyclictest0-21swapper/219:50:102
2339470991815,1cyclictest2472115-21apt-get21:20:132
2339467991815,2cyclictest2512855-21idleruntime-cro22:00:011
2339467991815,2cyclictest2339460-21cyclictest19:10:011
2339467991815,2cyclictest0-21swapper/121:05:141
2339475991715,1cyclictest0-21swapper/320:05:123
2339475991715,1cyclictest0-21swapper/300:25:213
2339475991714,2cyclictest2467044-21taskset21:15:113
2339470991716,1cyclictest64-21kcompactd020:38:582
2339470991715,1cyclictest0-21swapper/223:50:002
2339470991715,1cyclictest0-21swapper/200:35:132
2339470991714,1cyclictest2461952-21apt-get21:10:142
2339467991714,2cyclictest0-21swapper/123:50:031
2339470991614,1cyclictest0-21swapper/223:30:122
2339470991613,2cyclictest0-21swapper/223:55:162
2339470991613,2cyclictest0-21swapper/222:25:132
2339467991615,1cyclictest64-21kcompactd023:17:331
2339467991615,1cyclictest64-21kcompactd023:17:331
2339467991613,2cyclictest2673575-21kthreadcore00:35:181
2339467991612,3cyclictest2583917-21munin-run23:10:001
2339475991512,2cyclictest0-21swapper/321:35:173
2339470991513,1cyclictest2624956-21apt-get23:50:032
2339467991513,1cyclictest0-21swapper/120:25:231
2339467991513,1cyclictest0-21swapper/100:05:131
2339467991512,2cyclictest0-21swapper/119:55:001
2339467991511,2cyclictest0-21swapper/100:00:171
2339475991412,1cyclictest0-21swapper/320:20:193
2339470991412,1cyclictest2349821-21apt-get19:20:112
2339467991410,2cyclictest2543603-21apt-get22:30:141
233946599140,12cyclictest2339543-21cat19:10:010
2339475991311,1cyclictest0-21swapper/321:40:193
233947099137,4cyclictest0-21swapper/221:45:012
233947599129,2cyclictest0-21swapper/319:15:163
233947099100,2cyclictest2339392-21latency_hist19:10:002
23394759985,2cyclictest2339392-21latency_hist19:10:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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