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2026-05-30 - 20:06
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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 Sat May 30, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
227012499300,2cyclictest2566748-21munin-run12:00:010
2270128992723,2cyclictest2510272-21cron11:05:001
227012899271,22cyclictest2479807-21apt-get10:35:141
227013199262,3cyclictest2551422-21apt-get11:45:092
227013199262,20cyclictest2561954-21apt-get11:55:112
227013199262,20cyclictest2422897-21apt-get09:40:122
227013199260,23cyclictest2371558-21taskset08:50:122
227012899261,22cyclictest2531164-21apt-get11:25:111
227012899261,21cyclictest2500420-21apt-get10:55:141
227012899261,21cyclictest2500420-21apt-get10:55:131
227012899261,21cyclictest2427974-21apt-get09:45:121
227013499251,20cyclictest2505518-21apt-get11:00:113
227013499251,20cyclictest0-21swapper/309:35:133
227013199251,4cyclictest2448649-21grep10:05:162
227013199251,21cyclictest2270344-21apt-get07:10:142
227012899251,21cyclictest0-21swapper/108:10:121
227012899250,21cyclictest2221886-21kworker/u8:3+flush-259:012:10:151
227012499251,21cyclictest2280453-21apt-get07:20:130
2270134992420,2cyclictest2583051-21apt-get12:15:113
2270134992420,2cyclictest2290634-21apt-get07:30:123
2270134992419,3cyclictest2270833-21tr07:10:183
227013499241,20cyclictest0-21swapper/312:30:113
227013499240,4cyclictest2408231-21ps09:25:173
227013499240,21cyclictest0-21swapper/310:00:113
2270131992420,2cyclictest2315941-21apt-get07:55:132
2270131992419,2cyclictest2469248-21apt-get10:25:112
2270128992420,2cyclictest2525711-21apt-get11:20:111
2270128992420,2cyclictest0-21swapper/110:45:121
227012899241,20cyclictest2443082-21apt-get10:00:111
227012899240,21cyclictest0-21swapper/109:00:101
227012899240,21cyclictest0-21swapper/107:20:131
227012899240,20cyclictest0-21swapper/111:15:111
227012899240,20cyclictest0-21swapper/108:00:121
2270124992421,2cyclictest211rcuc/012:24:590
2270124992420,2cyclictest2567431-21apt-get12:00:110
2270124992420,2cyclictest2458716-21apt-get10:15:140
2270124992419,3cyclictest2452975-21munin-run10:09:590
2270124992419,3cyclictest2310868-21apt-get07:50:150
227012499241,3cyclictest2541296-21apt-get11:35:120
227012499241,3cyclictest2474724-21apt-get10:30:100
227012499241,21cyclictest2422621-21cron09:40:000
2270134992319,2cyclictest2376984-21apt-get08:55:113
2270134992317,4cyclictest2505269-21turbostat11:00:013
2270134992317,4cyclictest2505269-21turbostat11:00:003
2270134992317,4cyclictest2484611-21cron10:40:003
227013499231,2cyclictest2489932-21apt-get10:45:113
227013499231,2cyclictest0-21swapper/307:15:123
227013499231,21cyclictest2516552-21sed11:10:163
227013499231,21cyclictest2309785-21ntpq07:45:223
227013499231,20cyclictest0-21swapper/308:50:003
227013499231,20cyclictest0-21swapper/307:25:133
227013499231,19cyclictest2588131-21apt-get12:20:123
227013499230,19cyclictest0-21swapper/310:05:123
2270131992319,2cyclictest2598747-21grep12:30:152
2270131992319,2cyclictest2396021-21ntpq09:10:232
2270131992319,2cyclictest2346227-21apt-get08:25:112
2270131992319,2cyclictest0-21swapper/212:20:112
227013199231,2cyclictest2577986-21apt-get12:10:122
227013199231,19cyclictest2417867-21apt-get09:35:122
227013199231,19cyclictest0-21swapper/208:10:122
227013199230,20cyclictest0-21swapper/211:10:122
227013199230,20cyclictest0-21swapper/209:05:122
2270128992320,2cyclictest2433004-21apt-get09:50:121
2270128992319,3cyclictest2463761-21latency_hist10:20:001
2270128992319,2cyclictest2295424-21cron07:35:001
2270128992319,2cyclictest0-21swapper/111:55:111
2270128992319,2cyclictest0-21swapper/109:20:141
2270128992318,2cyclictest2515601-21apt-get11:10:121
227012899231,2cyclictest2536219-21apt-get11:30:111
227012899231,2cyclictest2366479-21apt-get08:45:121
227012899231,2cyclictest2270344-21apt-get07:10:121
227012899231,2cyclictest0-21swapper/109:10:131
227012899231,20cyclictest2489655-21cron10:45:001
227012899231,19cyclictest0-21swapper/110:50:131
227012899230,3cyclictest2458061-21gpgv10:15:001
227012899230,20cyclictest2295702-21apt-get07:35:111
227012499232,20cyclictest2275396-21apt-get07:15:120
2270124992320,2cyclictest2447015-21ntpq10:00:210
2270124992319,2cyclictest2505242-21cron11:00:010
2270124992319,2cyclictest2505242-21cron11:00:000
2270124992319,2cyclictest2321040-21apt-get08:00:120
227012499230,3cyclictest2494718-21sh10:50:010
227012499230,21cyclictest2295454-21idleruntime-cro07:35:000
2270134992220,1cyclictest491ktimers/311:53:163
2270134992219,1cyclictest2382037-21apt-get09:00:113
2270134992219,1cyclictest0-21swapper/312:35:123
2270134992219,1cyclictest0-21swapper/309:20:143
2270134992218,2cyclictest0-21swapper/311:45:093
227013499221,1cyclictest0-21swapper/309:45:123
227013499220,2cyclictest2316168-21fschecks_time07:55:153
227013499220,20cyclictest0-21swapper/310:40:123
227013499220,20cyclictest0-21swapper/309:10:133
227013499220,19cyclictest0-21swapper/310:25:123
227013499220,19cyclictest0-21swapper/309:55:133
2270131992219,2cyclictest2464221-21apt-get10:20:142
2270131992219,1cyclictest0-21swapper/210:10:032
2270131992218,2cyclictest2525442-21sh11:20:002
227013199221,2cyclictest0-21swapper/207:30:122
227013199221,18cyclictest2351280-21apt-get08:30:122
227013199220,2cyclictest0-21swapper/211:55:002
227013199220,21cyclictest2377474-21sort08:55:162
227013199220,20cyclictest2407736-21apt-get09:25:132
227013199220,20cyclictest0-21swapper/210:00:112
227013199220,19cyclictest0-21swapper/212:15:102
2270128992219,2cyclictest2438035-21apt-get09:55:111
227012899221,19cyclictest0-21swapper/109:40:111
227012899220,3cyclictest2418358-21irqcore09:35:171
227012899220,20cyclictest1-21systemd08:55:001
227012499222,20cyclictest211rcuc/011:15:050
2270124992219,2cyclictest2603313-21apt-get12:35:100
2270124992218,2cyclictest0-21swapper/010:20:140
2270124992217,4cyclictest2474073-21apt-config10:30:000
2270124992217,3cyclictest0-21swapper/011:50:000
227012499221,2cyclictest0-21swapper/008:15:120
227012499221,20cyclictest64-21kcompactd009:07:090
227012499221,20cyclictest0-21swapper/008:55:110
227012499221,20cyclictest0-21swapper/007:38:580
227012499220,21cyclictest2577336-21systemctl12:10:000
227012499220,21cyclictest0-21swapper/011:00:110
2270134992118,2cyclictest64-21kcompactd010:11:083
2270134992118,2cyclictest64-21kcompactd008:33:493
2270134992118,2cyclictest2571361-21ntpq12:00:193
2270134992118,2cyclictest2340126-21smartctl08:15:223
2270134992118,2cyclictest0-21swapper/309:05:133
2270134992118,1cyclictest0-21swapper/308:20:113
227013499211,1cyclictest0-21swapper/311:05:133
227013499210,2cyclictest2326098-21chrt08:05:133
227013499210,2cyclictest0-21swapper/309:15:133
227013499210,20cyclictest2300487-21sh07:40:003
227013499210,20cyclictest0-21swapper/309:53:553
227013499210,1cyclictest0-21swapper/308:03:093
227013499210,19cyclictest0-21swapper/310:20:023
2270131992119,1cyclictest0-21swapper/208:00:122
2270131992118,2cyclictest2489672-21munin-run10:45:002
2270131992117,2cyclictest0-21swapper/210:50:172
2270131992117,2cyclictest0-21swapper/209:30:122
2270131992116,4cyclictest2608108-21unin-run12:39:592
227013199211,1cyclictest0-21swapper/211:05:132
227013199211,19cyclictest500-21dbus-daemon10:20:002
227013199210,2cyclictest2474041-21apt-get10:30:022
227013199210,20cyclictest2541030-21turbostat.cron11:35:002
227013199210,20cyclictest0-21swapper/212:10:002
2270128992119,1cyclictest64-21kcompactd009:32:241
2270128992119,1cyclictest2387093-21apt-get09:05:121
2270128992118,2cyclictest2452958-21cron10:09:591
2270128992118,2cyclictest2348443-21ps08:25:171
2270128992118,2cyclictest0-21swapper/107:25:111
2270128992117,2cyclictest2336174-21apt-get08:15:121
227012899210,2cyclictest0-21swapper/107:45:111
227012899210,20cyclictest64-21kcompactd011:47:531
227012899210,20cyclictest0-21swapper/111:40:111
227012899210,1cyclictest0-21swapper/108:40:111
227012899210,19cyclictest0-21swapper/108:55:111
227012499212,1cyclictest0-21swapper/010:10:130
2270124992119,1cyclictest2402239-21apt-get09:20:140
2270124992119,1cyclictest2335089-21ntpq08:10:220
2270124992119,1cyclictest0-21swapper/009:50:120
2270124992119,1cyclictest0-21swapper/009:15:220
2270124992119,1cyclictest0-21swapper/008:35:120
2270124992119,1cyclictest0-21swapper/007:25:200
2270124992118,2cyclictest2438981-21ps09:55:170
227012499211,1cyclictest0-21swapper/012:25:220
227012499210,20cyclictest3777322-21systemd-journal11:25:000
227012499210,20cyclictest211rcuc/008:25:000
227012499210,20cyclictest0-21swapper/008:54:140
227012499210,20cyclictest0-21swapper/007:12:350
227012499210,1cyclictest2361423-21apt-get08:40:110
2270134992018,1cyclictest0-21swapper/311:36:043
2270134992018,1cyclictest0-21swapper/310:50:133
2270134992018,1cyclictest0-21swapper/307:20:133
227013499200,1cyclictest0-21swapper/311:18:513
227013499200,1cyclictest0-21swapper/309:30:123
227013499200,1cyclictest0-21swapper/308:50:173
227013499200,1cyclictest0-21swapper/308:26:173
227013499200,19cyclictest0-21swapper/308:14:593
2270131992019,1cyclictest0-21swapper/209:52:182
2270131992018,1cyclictest0-21swapper/209:45:122
2270131992018,1cyclictest0-21swapper/209:20:192
2270131992018,1cyclictest0-21swapper/209:00:152
2270131992018,1cyclictest0-21swapper/208:35:122
2270131992018,1cyclictest0-21swapper/207:40:112
2270131992017,2cyclictest0-21swapper/210:45:112
227013199200,1cyclictest0-21swapper/207:15:132
227013199200,19cyclictest0-21swapper/211:25:112
2270128992017,2cyclictest64-21kcompactd008:24:401
227012899200,1cyclictest64-21kcompactd010:34:151
227012899200,19cyclictest2587879-21grep12:20:001
227012899200,19cyclictest0-21swapper/107:58:501
2270124992019,0cyclictest0-21swapper/011:30:110
2270124992018,1cyclictest64-21kcompactd007:55:380
2270124992018,1cyclictest16-21ksoftirqd/011:10:220
2270124992018,1cyclictest0-21swapper/010:50:210
227012499200,1cyclictest0-21swapper/012:30:120
227012499200,1cyclictest0-21swapper/009:40:100
227012499200,1cyclictest0-21swapper/009:25:120
227012499200,1cyclictest0-21swapper/008:45:120
227012499200,1cyclictest0-21swapper/008:30:120
227012499200,1cyclictest0-21swapper/007:42:110
227012499200,19cyclictest0-21swapper/008:25:110
2270134991918,1cyclictest0-21swapper/312:25:323
2270134991917,1cyclictest0-21swapper/311:30:123
2270134991916,2cyclictest2356358-21apt-get08:35:123
2270134991916,2cyclictest0-21swapper/310:15:123
2270134991915,2cyclictest0-21swapper/311:25:113
2270134991914,3cyclictest2577662-21latency_hist12:10:023
2270131991917,1cyclictest0-21swapper/212:25:132
2270131991917,1cyclictest0-21swapper/208:21:272
2270131991917,1cyclictest0-21swapper/207:47:022
2270131991916,2cyclictest2286476-21ps07:25:172
2270131991916,1cyclictest2370432-21ntpq08:45:212
2270128991917,2cyclictest0-21swapper/108:32:121
2270128991917,1cyclictest0-21swapper/112:00:021
2270128991916,2cyclictest2314772-21ntpq07:50:231
2270128991914,3cyclictest0-21swapper/108:40:001
227012899190,19cyclictest0-21swapper/108:05:131
227012899190,18cyclictest3404547-21kworker/u8:0+ext4-rsv-conversion09:25:241
2270124991916,2cyclictest2546873-21irqcore11:40:160
2270124991915,2cyclictest2510550-21apt-get11:05:130
2270124991915,2cyclictest2382532-21ps09:00:150
227012499190,1cyclictest0-21swapper/009:30:210
2270134991816,1cyclictest64-21kcompactd007:51:203
2270131991816,1cyclictest2366198-21cron08:45:012
2270131991816,1cyclictest0-21swapper/211:40:212
2270131991815,2cyclictest2442827-21munin-run10:00:002
2270131991815,2cyclictest2315662-21cron07:55:002
2270131991814,3cyclictest2525907-21fschecks_count11:20:132
2270128991817,1cyclictest0-21swapper/107:15:161
2270128991816,1cyclictest2556926-21apt-get11:50:121
2270128991816,1cyclictest0-21swapper/112:34:081
2270128991816,1cyclictest0-21swapper/112:05:111
2270128991816,1cyclictest0-21swapper/109:15:231
2270128991815,2cyclictest2474343-21latency_hist10:30:001
2270128991815,2cyclictest0-21swapper/110:20:151
2270124991817,1cyclictest64-21kcompactd009:45:190
2270124991817,1cyclictest211rcuc/012:15:010
2270124991815,2cyclictest2587855-21cron12:20:010
2270124991815,2cyclictest0-21swapper/007:45:120
2270134991715,1cyclictest2582798-21turbostat12:15:013
2270134991714,2cyclictest64-21kcompactd010:31:333
2270134991714,2cyclictest0-21swapper/311:55:113
2270131991716,1cyclictest0-21swapper/207:35:112
2270131991714,2cyclictest2546096-21cron11:40:002
2270131991714,2cyclictest2505777-21fschecks_time11:00:132
2270131991713,2cyclictest2285246-21sh07:25:002
2270124991714,2cyclictest2326095-21apt-get08:05:140
2270124991714,1cyclictest0-21swapper/011:55:000
2270124991712,2cyclictest191rcu_preempt10:35:170
2270134991613,1cyclictest0-21swapper/311:25:013
2270131991613,2cyclictest509-21systemd-logind12:05:002
2270131991612,3cyclictest2330397-21unixbench_multi08:05:262
2270128991612,2cyclictest2603313-21apt-get12:35:111
2270128991612,2cyclictest2541296-21apt-get11:35:121
2270124991614,1cyclictest0-21swapper/010:40:090
2270124991611,1cyclictest191rcu_preempt09:10:150
2270134991513,1cyclictest0-21swapper/311:40:543
2270131991511,2cyclictest0-21swapper/211:00:012
2270131991511,2cyclictest0-21swapper/211:00:002
2270128991511,2cyclictest2593208-21apt-get12:25:131
227012499150,4cyclictest0-21swapper/011:25:030
2270131991410,2cyclictest0-21swapper/208:20:002
227013499139,3cyclictest2361917-21irqcore08:40:153
2270131991311,1cyclictest64-21kcompactd009:15:122
227013499129,1cyclictest0-21swapper/309:40:123
227012899129,2cyclictest0-21swapper/112:20:191
227012899127,4cyclictest2301112-21head07:40:131
227013499110,3cyclictest0-21swapper/307:40:243
227012899117,2cyclictest0-21swapper/111:05:151
227012899110,9cyclictest2270184-21cat07:10:011
227012499110,1cyclictest2270119-21cyclictest07:10:010
22701319971,4cyclictest2270191-21latency_hist07:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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