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2026-07-29 - 23:42
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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 792 highest latencies:
System rackeslot4.osadl.org (updated Wed Jul 29, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2197825993615,20cyclictest2403047-21irqcore10:30:181
2197823993024,4cyclictest3777322-21systemd-journal07:30:010
2197828992925,2cyclictest0-21swapper/207:20:172
219782599299,1cyclictest0-21swapper/112:25:171
219782599262,2cyclictest2387334-21apt-get10:15:131
2197828992519,4cyclictest2377288-21sort10:05:162
219782599252,21cyclictest2371729-21apt-get10:00:131
2197825992520,2cyclictest2427932-21apt-get10:55:121
2197825992519,3cyclictest2198039-21apt-get07:10:121
219782599251,4cyclictest2437814-21cron11:05:001
219782599251,3cyclictest2490206-21sed11:55:171
219782599251,21cyclictest2447976-21cron11:15:011
219782599250,5cyclictest2222251-21taskset07:30:221
219782399252,21cyclictest2499439-21apt-get12:05:120
219782399252,21cyclictest2494331-21apt-get12:00:130
219783399240,5cyclictest2321094-21sed09:10:183
219782899241,2cyclictest2422864-21apt-get10:50:112
219782899241,21cyclictest2412698-21apt-get10:40:112
219782899240,23cyclictest2457336-21ntpq11:20:232
219782899240,21cyclictest3777322-21systemd-journal11:05:002
2197825992420,2cyclictest2223366-21apt-get07:35:121
2197825992420,2cyclictest1-21systemd11:30:011
2197825992419,3cyclictest2356535-21apt-get09:45:131
2197825992419,3cyclictest2350767-21awk09:39:591
2197825992419,3cyclictest2208660-21sed07:20:171
219782599241,22cyclictest2463226-21apt-get11:30:031
219782599241,21cyclictest2300301-21apt-get08:50:131
219782599240,4cyclictest2510115-21sed12:15:171
219782599240,22cyclictest2417510-21munin-run10:45:001
219782599240,21cyclictest2504560-21apt-get12:10:141
2197823992421,2cyclictest2289899-21latency_hist08:40:000
219782399240,4cyclictest2443193-21taskset11:10:130
219783399231,21cyclictest2355402-21ntpq09:40:223
2197828992321,1cyclictest0-21swapper/209:39:592
2197828992319,2cyclictest2305363-21apt-get08:55:112
2197828992319,2cyclictest2244492-21apt-get07:55:142
2197828992315,6cyclictest2494833-21irqcore12:00:182
219782899231,2cyclictest2402545-21apt-get10:30:142
2197825992319,3cyclictest0-21swapper/110:45:111
2197825992319,3cyclictest0-21swapper/108:05:121
2197825992319,2cyclictest2392376-21apt-get10:20:101
2197825992319,2cyclictest2228857-21apt-get07:40:131
2197825992319,2cyclictest0-21swapper/109:15:111
219782599231,2cyclictest0-21swapper/107:55:141
219782599231,21cyclictest2319451-21taskset09:05:211
219782599231,21cyclictest0-21swapper/112:20:121
219782599231,21cyclictest0-21swapper/109:55:121
219782599231,20cyclictest2426790-21ntpq10:50:211
219782599230,21cyclictest64-21kcompactd011:09:041
219782599230,21cyclictest2386637-21latency_hist10:15:011
219782599230,21cyclictest0-21swapper/111:40:121
219782599230,21cyclictest0-21swapper/109:15:001
219782599230,20cyclictest191rcu_preempt08:35:111
219782399232,1cyclictest2310438-21apt-get09:00:120
2197823992319,3cyclictest2265268-21ps08:15:150
2197823992319,2cyclictest2250088-21ps08:00:160
219782399231,20cyclictest2462339-21ntpq11:25:220
219782399231,20cyclictest2438092-21apt-get11:05:120
219782399231,20cyclictest0-21swapper/009:40:120
219782399230,20cyclictest0-21swapper/010:20:090
2197833992219,2cyclictest2442911-21idleruntime-cro11:10:003
2197833992219,2cyclictest2366654-21apt-get09:55:123
2197833992219,2cyclictest2345678-21cron09:34:593
2197833992218,2cyclictest2290166-21apt-get08:40:143
219783399221,20cyclictest2212077-21ntpq07:20:223
219783399221,19cyclictest2417767-21apt-get10:45:123
219783399220,21cyclictest2509353-21sh12:15:003
219783399220,21cyclictest2239147-21idleruntime-cro07:50:003
219783399220,19cyclictest0-21swapper/310:30:143
2197828992219,2cyclictest2386847-21apt-key10:15:012
2197828992219,2cyclictest2335762-21apt-get09:25:122
2197828992219,1cyclictest2474074-21apt-get11:40:122
219782899220,2cyclictest2520236-21sort12:25:172
219782899220,21cyclictest2329737-21taskset09:15:222
219782899220,20cyclictest1-21systemd07:40:002
2197825992219,1cyclictest2295228-21apt-get08:45:121
2197825992219,1cyclictest0-21swapper/109:50:031
2197825992219,1cyclictest0-21swapper/109:40:021
2197825992219,1cyclictest0-21swapper/109:25:131
2197825992218,2cyclictest2294952-21cron08:45:011
219782599221,2cyclictest0-21swapper/112:09:181
219782599221,20cyclictest0-21swapper/109:30:131
219782599220,2cyclictest0-21swapper/112:38:201
219782599220,2cyclictest0-21swapper/110:05:121
2197823992219,2cyclictest2453356-21apt-get11:20:140
2197823992219,2cyclictest2414921-21ps10:40:170
2197823992219,2cyclictest2305113-21awk08:55:000
2197823992219,1cyclictest2493164-21ntpq11:55:210
2197823992218,2cyclictest2381864-21apt-get10:10:120
2197823992218,2cyclictest2218321-21apt-get07:30:130
219782399221,20cyclictest2468985-21apt-get11:35:130
219782399221,20cyclictest0-21swapper/009:50:120
219782399221,20cyclictest0-21swapper/008:55:110
219782399221,19cyclictest2340837-21apt-get09:30:140
219782399220,3cyclictest2520244-21grep12:25:170
219782399220,2cyclictest2233626-21cron07:45:010
219782399220,20cyclictest2264511-21awk08:15:010
219782399220,19cyclictest0-21swapper/012:30:140
2197833992119,1cyclictest2299185-21ntpq08:45:213
2197833992119,1cyclictest0-21swapper/308:07:553
2197833992118,2cyclictest0-21swapper/312:35:113
2197833992117,3cyclictest514-21in:imuxsock10:25:003
2197833992117,2cyclictest0-21swapper/311:55:173
2197833992116,4cyclictest2346454-21tr09:35:183
219783399211,1cyclictest0-21swapper/307:30:133
219783399210,2cyclictest2520229-21ps12:25:173
219783399210,20cyclictest2361322-21cron09:49:593
219783399210,20cyclictest2316027-21cut09:05:173
219783399210,20cyclictest0-21swapper/310:10:133
219783399210,19cyclictest2457344-21taskset11:20:233
219783399210,18cyclictest0-21swapper/309:20:133
2197828992119,1cyclictest0-21swapper/208:45:122
2197828992118,2cyclictest2489257-21apt-get11:55:132
2197828992118,2cyclictest2360624-21/usr/sbin/munin09:45:242
2197828992118,1cyclictest2499439-21apt-get12:05:112
2197828992118,1cyclictest0-21swapper/208:35:112
2197828992117,3cyclictest2232854-21chrt07:40:242
2197828992117,2cyclictest2529836-21sshd12:35:112
2197828992110,2cyclictest191rcu_preempt11:10:002
219782899210,2cyclictest2362105-21cut09:50:162
219782899210,1cyclictest2249605-21apt-get08:00:122
219782899210,19cyclictest2447981-21ls11:15:012
219782899210,19cyclictest2222243-21ntpq07:30:222
2197825992119,1cyclictest0-21swapper/111:52:061
2197825992118,2cyclictest0-21swapper/111:35:581
2197825992117,2cyclictest2280019-21apt-get08:30:131
2197825992117,2cyclictest0-21swapper/108:10:121
219782599211,19cyclictest0-21swapper/112:00:131
2197825992110,2cyclictest191rcu_preempt09:00:121
219782599210,20cyclictest0-21swapper/107:25:141
219782599210,1cyclictest2274928-21apt-get08:25:141
2197823992119,1cyclictest0-21swapper/010:55:120
2197823992119,1cyclictest0-21swapper/010:15:130
2197823992118,2cyclictest0-21swapper/012:20:120
2197823992117,3cyclictest2206930-21needreboot07:15:200
219782399211,1cyclictest0-21swapper/008:20:110
219782399210,2cyclictest0-21swapper/011:50:120
219782399210,2cyclictest0-21swapper/007:20:130
219782399210,20cyclictest64-21kcompactd010:00:170
219782399210,20cyclictest0-21swapper/009:55:120
219782399210,20cyclictest0-21swapper/009:45:130
219782399210,20cyclictest0-21swapper/009:10:140
2197833992018,1cyclictest0-21swapper/310:15:133
2197833992017,2cyclictest2499938-21ps12:05:153
2197833992016,1cyclictest0-21swapper/308:50:143
219783399201,19cyclictest0-21swapper/310:50:123
219783399200,1cyclictest0-21swapper/312:01:143
219783399200,1cyclictest0-21swapper/310:40:113
219783399200,1cyclictest0-21swapper/309:50:133
219783399200,1cyclictest0-21swapper/307:35:133
219783399200,19cyclictest2233643-21munin-run07:45:003
219783399200,19cyclictest0-21swapper/311:00:143
219783399200,19cyclictest0-21swapper/310:35:123
219783399200,19cyclictest0-21swapper/310:25:123
2197828992019,1cyclictest0-21swapper/212:20:122
2197828992018,1cyclictest0-21swapper/211:30:132
2197828992018,1cyclictest0-21swapper/211:30:012
2197828992018,1cyclictest0-21swapper/210:00:132
2197828992018,1cyclictest0-21swapper/209:55:122
2197828992017,2cyclictest0-21swapper/210:45:112
2197828992016,1cyclictest0-21swapper/209:30:122
219782899200,2cyclictest2510111-21ps12:15:172
219782899200,1cyclictest2330722-21apt-get09:20:122
219782899200,1cyclictest0-21swapper/210:15:132
219782899200,19cyclictest2269553-21cron08:20:002
219782899200,19cyclictest0-21swapper/210:58:522
219782899200,18cyclictest0-21swapper/208:05:132
2197825992018,1cyclictest0-21swapper/110:25:211
219782599200,19cyclictest64-21kcompactd011:24:081
2197823992018,1cyclictest0-21swapper/010:45:120
2197823992018,1cyclictest0-21swapper/007:45:120
2197823992017,2cyclictest0-21swapper/010:30:140
2197823992017,2cyclictest0-21swapper/008:30:140
219782399200,1cyclictest0-21swapper/009:05:120
219782399200,1cyclictest0-21swapper/008:40:140
219782399200,19cyclictest0-21swapper/012:17:540
219782399200,19cyclictest0-21swapper/008:08:270
219782399200,19cyclictest0-21swapper/007:50:210
2197833991917,1cyclictest64-21kcompactd012:30:483
2197833991917,1cyclictest3777322-21systemd-journal07:55:543
2197833991917,1cyclictest2269554-21cron08:20:003
2197833991916,1cyclictest0-21swapper/310:58:523
2197833991915,2cyclictest0-21swapper/312:20:113
2197833991912,2cyclictest191rcu_preempt08:30:203
219783399190,1cyclictest0-21swapper/310:05:133
219783399190,1cyclictest0-21swapper/309:00:123
2197828991917,1cyclictest0-21swapper/210:25:122
2197828991917,1cyclictest0-21swapper/208:50:122
2197828991916,2cyclictest2275878-21kthreadcore08:25:182
219782899190,19cyclictest0-21swapper/212:10:552
219782899190,18cyclictest0-21swapper/212:30:482
2197825991917,1cyclictest0-21swapper/107:48:011
2197825991916,2cyclictest2411512-21ntp_kernel_err10:35:201
2197823991917,1cyclictest0-21swapper/008:45:120
2197823991917,1cyclictest0-21swapper/008:25:130
2197823991916,2cyclictest64-21kcompactd012:11:270
219782399190,1cyclictest0-21swapper/007:56:380
219782399190,19cyclictest0-21swapper/012:40:000
2197833991817,1cyclictest0-21swapper/311:25:133
2197833991816,1cyclictest0-21swapper/311:15:003
2197833991816,1cyclictest0-21swapper/310:00:123
2197833991816,1cyclictest0-21swapper/309:25:123
2197828991817,1cyclictest64-21kcompactd009:09:442
2197828991814,2cyclictest0-21swapper/210:20:102
2197828991813,3cyclictest0-21swapper/207:10:122
219782899180,1cyclictest0-21swapper/210:35:122
2197825991815,2cyclictest2269831-21apt-get08:20:121
2197825991815,1cyclictest0-21swapper/108:00:121
219782599180,16cyclictest2483952-21grep11:50:001
2197823991816,1cyclictest0-21swapper/011:45:140
2197823991816,1cyclictest0-21swapper/010:35:120
2197823991816,1cyclictest0-21swapper/010:05:120
2197823991814,3cyclictest61650irq/133-enp0s29f1:rx-007:35:200
219783399176,5cyclictest3194198-21kworker/3:0-events07:10:173
2197833991711,3cyclictest0-21swapper/311:30:133
2197828991715,1cyclictest2310600-21chrt09:00:132
2197828991715,1cyclictest0-21swapper/211:52:062
2197828991714,2cyclictest2356250-21cron09:45:002
2197828991714,2cyclictest2272071-21kthreadcore08:20:172
2197828991714,1cyclictest2294953-21cron08:45:012
219782899170,1cyclictest0-21swapper/207:20:002
219782899170,16cyclictest0-21swapper/209:15:002
219782599170,16cyclictest0-21swapper/112:31:521
2197823991715,1cyclictest0-21swapper/011:05:010
2197823991715,1cyclictest0-21swapper/009:15:120
219783399169,2cyclictest191rcu_preempt11:15:163
219783399168,6cyclictest2469312-21grep11:35:153
219783399165,6cyclictest2203316-21fschecks_time07:15:153
2197833991614,1cyclictest2269831-21apt-get08:20:123
2197833991614,1cyclictest0-21swapper/308:35:123
2197833991613,2cyclictest2213316-21cpuspeed_turbos07:25:133
2197833991613,2cyclictest0-21swapper/308:55:113
2197833991611,3cyclictest2325644-21apt-get09:15:103
2197828991613,2cyclictest64-21kcompactd011:35:572
2197825991613,1cyclictest0-21swapper/108:15:111
2197823991614,1cyclictest0-21swapper/007:10:130
2197823991613,2cyclictest0-21swapper/009:25:130
219783399158,2cyclictest191rcu_preempt08:00:253
2197833991514,1cyclictest0-21swapper/308:28:533
2197833991513,1cyclictest0-21swapper/311:40:123
2197833991512,2cyclictest2484580-21gltestperf11:50:143
2197833991512,2cyclictest0-21swapper/311:50:003
219782899156,2cyclictest0-21swapper/207:25:162
2197828991512,2cyclictest0-21swapper/208:10:122
2197828991511,3cyclictest401ktimers/211:15:122
2197828991511,2cyclictest0-21swapper/208:30:132
2197825991513,1cyclictest2239909-21grep07:50:171
2197825991513,1cyclictest0-21swapper/109:20:121
2197825991511,2cyclictest0-21swapper/109:00:011
2197823991512,2cyclictest61650irq/133-enp0s29f1:rx-010:50:170
2197823991512,2cyclictest61650irq/133-enp0s29f1:rx-010:25:160
2197823991512,2cyclictest61650irq/133-enp0s29f1:rx-009:35:180
2197823991512,2cyclictest2463915-21apt-get11:30:140
2197823991511,3cyclictest61650irq/133-enp0s29f1:rx-011:15:160
2197833991410,2cyclictest2259742-21apt-get08:10:123
219782899144,3cyclictest2239499-21grep07:50:132
219782899143,2cyclictest191rcu_preempt07:45:142
2197825991410,3cyclictest3777322-21systemd-journal07:19:101
219783399130,2cyclictest0-21swapper/312:15:153
219782899139,2cyclictest2483451-21/usr/sbin/munin11:45:272
2197823991310,2cyclictest61650irq/133-enp0s29f1:rx-011:40:200
219782399116,3cyclictest2197827-21date07:10:000
219782899100,1cyclictest191rcu_preempt07:10:002
21978339995,3cyclictest2197865-21sed07:10:013
21978259991,2cyclictest2197743-21latency_hist07:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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