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2026-07-15 - 14:15
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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 15, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
188260299291,1cyclictest191rcu_preempt21:35:000
188261299262,21cyclictest2067745-21apt-get22:10:143
188261299261,21cyclictest2205750-21apt-get00:25:133
188260899262,21cyclictest1934428-21apt-get20:00:122
188260899261,20cyclictest2134374-21apt-get23:15:132
1882612992519,3cyclictest1934428-21apt-get20:00:113
1882612992518,5cyclictest1891778-21needreboot19:15:193
188261299251,20cyclictest2155065-21apt-get23:35:133
188261299251,20cyclictest0-21swapper/321:40:123
1882608992522,1cyclictest0-21swapper/221:35:002
1882608992521,2cyclictest391rcuc/221:35:012
188260899251,2cyclictest0-21swapper/200:15:132
188260899251,21cyclictest0-21swapper/221:40:132
188260899251,21cyclictest0-21swapper/220:51:532
188260899251,21cyclictest0-21swapper/220:51:522
188260699253,2cyclictest2195639-21apt-get00:15:131
188260299251,21cyclictest2185553-21apt-get00:05:130
188260299251,21cyclictest1970459-21apt-get20:35:140
188260299251,21cyclictest1970459-21apt-get20:35:130
188260299251,21cyclictest0-21swapper/020:33:520
188260299251,20cyclictest2057587-21apt-get22:00:110
188260299250,22cyclictest2180989-21tr00:00:160
188261299241,20cyclictest1893033-21runrttasks19:20:133
1882608992420,2cyclictest2077902-21apt-get22:20:132
1882608992418,5cyclictest1939654-21df_inode20:05:132
188260899241,3cyclictest2186044-21irqcore00:05:172
188260899241,22cyclictest0-21swapper/223:00:112
188260899241,21cyclictest2170229-21apt-get23:50:122
188260899241,21cyclictest2139479-21apt-get23:20:132
188260899241,21cyclictest0-21swapper/223:40:102
188260899241,20cyclictest2047437-21apt-get21:50:132
188260899241,20cyclictest0-21swapper/219:30:112
188260899240,23cyclictest2180990-21sort00:00:162
188260899240,21cyclictest2145053-21ps23:25:182
188260899240,21cyclictest2145053-21ps23:25:182
1882606992420,2cyclictest2175308-21apt-get23:55:131
1882606992420,2cyclictest2119207-21apt-get23:00:121
188260699240,23cyclictest64-21kcompactd022:15:451
1882602992420,2cyclictest2011567-21apt-get21:15:120
188260299241,21cyclictest2042334-21apt-get21:45:120
188260299241,21cyclictest2016670-21apt-get21:20:120
188260299241,20cyclictest2210825-21apt-get00:30:110
188260299240,21cyclictest0-21swapper/021:00:130
188260299240,1cyclictest0-21swapper/021:26:180
1882612992318,3cyclictest2200696-21apt-get00:20:123
188261299230,22cyclictest3777322-21systemd-journal20:50:003
188261299230,20cyclictest0-21swapper/320:25:123
188260899233,1cyclictest0-21swapper/222:45:122
1882608992320,1cyclictest2165150-21apt-get23:45:102
1882608992319,2cyclictest2190584-21apt-get00:10:132
1882608992319,2cyclictest2093487-21apt-get22:35:112
1882608992319,2cyclictest1908706-21apt-get19:35:122
1882608992319,2cyclictest18150irq/131-nvme0q322:54:592
1882608992319,2cyclictest0-21swapper/219:55:122
1882608992317,4cyclictest2022196-21ps21:25:172
188260899231,3cyclictest2215649-21awk00:35:002
188260899231,21cyclictest1960272-21apt-get20:25:132
188260899231,21cyclictest0-21swapper/221:20:132
188260899231,21cyclictest0-21swapper/220:33:532
188260899231,1cyclictest2155555-21irqcore23:35:172
188260899230,3cyclictest516-21rs:main2
188260899230,3cyclictest516-21rs:main2
188260899230,21cyclictest391rcuc/219:50:012
188260899230,21cyclictest1991699-21cut20:55:172
188260899230,21cyclictest1902270-21cat19:25:192
188260899230,21cyclictest1891771-21needreboot19:15:192
188260899230,20cyclictest0-21swapper/222:25:132
188260899230,1cyclictest0-21swapper/221:48:522
1882606992320,2cyclictest2026719-21apt-get21:30:121
1882606992320,2cyclictest1918843-21apt-get19:45:141
188260699231,2cyclictest2129298-21apt-get23:10:141
188260699230,21cyclictest2032688-21grep21:35:171
1882602992319,2cyclictest1929384-21apt-get19:55:120
188260299231,2cyclictest2114132-21apt-get22:55:130
188260299231,20cyclictest0-21swapper/023:15:130
188260299230,2cyclictest0-21swapper/023:50:120
188260299230,22cyclictest2052286-21idleruntime-cro21:55:000
188260299230,20cyclictest2145058-21grep23:25:180
188260299230,20cyclictest2145058-21grep23:25:180
188260299230,20cyclictest0-21swapper/019:45:140
188260299230,1cyclictest0-21swapper/023:00:120
188260299230,1cyclictest0-21swapper/022:45:130
188260299230,1cyclictest0-21swapper/020:56:440
1882612992218,3cyclictest2056397-21ntpq21:55:213
188261299221,19cyclictest0-21swapper/300:30:113
188261299220,2cyclictest2134096-21cron23:15:003
188261299220,2cyclictest2113854-21cron22:55:003
188261299220,2cyclictest2098266-21cron22:40:003
188261299220,20cyclictest0-21swapper/320:35:133
188261299220,20cyclictest0-21swapper/320:35:133
188261299220,19cyclictest0-21swapper/321:05:123
1882608992219,2cyclictest0-21swapper/223:56:492
1882608992219,2cyclictest0-21swapper/200:35:142
1882608992218,2cyclictest1950634-21grep20:15:192
1882608992218,2cyclictest0-21swapper/222:10:142
188260899221,20cyclictest0-21swapper/221:00:132
188260899220,2cyclictest0-21swapper/222:00:112
188260899220,20cyclictest0-21swapper/219:20:122
188260899220,1cyclictest2062646-21apt-get22:05:152
1882606992218,2cyclictest2159819-21cron23:40:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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