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2026-03-07 - 13:10
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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 Fri Mar 06, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2097258993329,3cyclictest2188689-21fwupd08:39:563
209724899313,27cyclictest0-21swapper/008:39:560
209725099282,22cyclictest2097465-21apt-get07:10:131
209725099271,6cyclictest2229792-21awk09:20:001
209725099271,24cyclictest2363519-21cut11:30:141
209725099271,22cyclictest2368105-21apt-get11:35:101
209725399262,20cyclictest2404125-21apt-get12:10:102
209725099261,5cyclictest2178091-21cron08:30:011
209725399251,21cyclictest2163176-21apt-get08:15:112
209725399251,20cyclictest2312047-21apt-get10:40:102
2097250992521,2cyclictest2235134-21apt-get09:25:121
2097250992519,3cyclictest2112375-21munin-run07:24:591
209725099251,22cyclictest2403057-21apt-get12:07:251
209725099251,21cyclictest2209035-21kworker/1:1+events11:10:111
209725099251,21cyclictest0-21swapper/111:45:121
209724899252,21cyclictest2281602-21apt-get10:10:110
209725899242,2cyclictest2332291-21apt-get11:00:133
2097258992420,2cyclictest2398434-21apt-get12:05:113
209725899241,21cyclictest2261370-21apt-get09:50:113
209725899241,20cyclictest2393403-21apt-get12:00:143
209725899241,20cyclictest2102520-21apt-get07:15:103
209725899240,23cyclictest2127495-21cron07:40:003
209725899240,20cyclictest0-21swapper/309:30:133
2097253992420,2cyclictest2240181-21apt-get09:30:132
209725399241,21cyclictest2409226-21apt-get12:15:112
209725099241,2cyclictest2266416-21apt-get09:55:111
209725099241,2cyclictest0-21swapper/107:30:131
209725099241,2cyclictest0-21swapper/107:30:121
209725099241,21cyclictest32-21ksoftirqd/109:30:171
209725099241,21cyclictest0-21swapper/112:10:101
209725099241,20cyclictest2153068-21apt-get08:05:111
209725099241,19cyclictest2230064-21apt-get09:20:121
209725099240,4cyclictest2297274-21taskset10:25:161
209725099240,21cyclictest0-21swapper/108:00:121
2097248992420,2cyclictest2363027-21apt-get11:30:100
2097248992420,2cyclictest2219877-21apt-get09:10:120
209724899240,20cyclictest64-21kcompactd010:40:020
2097258992320,2cyclictest514-21in:imuxsock07:15:003
2097258992320,2cyclictest2132827-21apt-get07:45:123
2097258992319,2cyclictest2173291-21apt-get08:25:123
2097258992317,4cyclictest2108101-21sed07:20:163
209725899231,21cyclictest2383271-21apt-get11:50:113
209725899230,20cyclictest0-21swapper/311:30:113
2097253992318,3cyclictest261-21systemd-journal08:50:002
2097253992317,4cyclictest2183628-21sh08:35:002
209725399231,2cyclictest2424390-21apt-get12:30:112
209725399231,19cyclictest0-21swapper/211:50:112
209725399231,19cyclictest0-21swapper/207:15:112
209725399230,4cyclictest2261872-21tr09:50:152
209725399230,22cyclictest2271208-21cron10:00:002
209725399230,20cyclictest0-21swapper/207:50:122
2097250992319,1cyclictest0-21swapper/109:00:131
2097250992318,4cyclictest2434203-21cron12:40:011
209725099231,2cyclictest2322231-21apt-get10:50:141
209725099231,2cyclictest2250108-21systemctl09:40:001
209725099231,2cyclictest2127770-21apt-get07:40:111
209725099231,2cyclictest2102520-21apt-get07:15:111
209725099231,2cyclictest0-21swapper/111:50:111
209725099231,2cyclictest0-21swapper/111:25:121
209725099231,21cyclictest0-21swapper/109:50:111
209725099231,20cyclictest2204193-21apt-get08:55:111
209725099231,20cyclictest0-21swapper/109:40:541
209725099230,3cyclictest64-21kcompactd010:15:201
209725099230,22cyclictest2113131-21irqcore07:25:151
209725099230,21cyclictest2352643-21awk11:20:001
209725099230,21cyclictest2260672-21cron09:50:001
2097248992320,2cyclictest2142912-21apt-get07:55:120
2097248992319,3cyclictest2403064-21apt-get12:07:260
2097248992318,4cyclictest2321952-21cron10:50:000
209724899231,21cyclictest2378194-21apt-get11:45:120
209724899231,21cyclictest2122694-21apt-get07:35:120
209724899231,20cyclictest2107601-21apt-get07:20:110
209724899231,1cyclictest2137857-21apt-get07:50:120
209724899230,22cyclictest2409715-21grep12:15:150
209724899230,22cyclictest2250201-21latency_hist09:39:590
209725899221,2cyclictest2296816-21apt-get10:25:133
209725899221,20cyclictest0-21swapper/311:55:163
209725899221,1cyclictest2327259-21apt-get10:55:123
209725899221,18cyclictest0-21swapper/307:30:133
209725899221,18cyclictest0-21swapper/307:30:123
209725899220,21cyclictest2296573-21systemd-run10:25:003
2097253992219,2cyclictest2208081-21ntpq08:55:202
2097253992219,2cyclictest0-21swapper/212:10:002
2097253992216,4cyclictest2374072-21irqstats11:40:152
209725399221,2cyclictest2366954-21ntpq11:30:202
209725399221,20cyclictest2419337-21apt-get12:25:122
209725399221,1cyclictest2347854-21apt-get11:15:132
209725399221,1cyclictest0-21swapper/208:00:202
209725399220,19cyclictest0-21swapper/211:55:122
209725399220,19cyclictest0-21swapper/211:25:122
209725399220,19cyclictest0-21swapper/211:00:182
209725399220,19cyclictest0-21swapper/210:25:122
209725399220,19cyclictest0-21swapper/208:50:112
209725399220,19cyclictest0-21swapper/207:35:132
2097250992219,1cyclictest0-21swapper/110:40:101
2097250992218,2cyclictest2281327-21cron10:10:001
2097250992218,2cyclictest2281327-21cron10:10:001
2097250992218,2cyclictest0-21swapper/112:25:131
209725099221,2cyclictest2168235-21apt-get08:20:121
209725099221,20cyclictest2352914-21apt-get11:20:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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