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2026-07-29 - 23:09
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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 100 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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