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2025-12-06 - 03:50
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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 Sat Dec 06, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
200279799341,2cyclictest0-21swapper/023:05:140
200279799341,20cyclictest2391325-21idleruntime-cro00:40:000
2002797993318,4cyclictest2283480-21sh23:12:310
200279799322,2cyclictest2246885-21apt-get22:45:110
200279799321,21cyclictest2090145-21apt-get20:35:120
200279799312,21cyclictest2095238-21apt-get20:40:140
200279799312,21cyclictest2003014-21apt-get19:10:130
2002797993118,2cyclictest2370635-21/usr/sbin/munin00:20:220
2002797993116,3cyclictest2189202-21ssh21:58:410
200279799311,2cyclictest2284575-21apt-get23:15:130
200279799310,21cyclictest1-21systemd21:40:000
2002797993018,3cyclictest2125951-21diskmemload00:29:330
200279799300,21cyclictest2302862-21ssh23:29:220
200279799300,21cyclictest2239778-21ssh22:38:200
200279799300,20cyclictest0-21swapper/022:58:240
200279799300,20cyclictest0-21swapper/022:58:230
2002797992919,8cyclictest2100835-21grep20:45:130
2002797992919,8cyclictest2038415-21cron19:45:000
200279799291,20cyclictest2125951-21diskmemload22:05:300
200279799291,19cyclictest0-21swapper/023:03:520
200279999280,3cyclictest0-21swapper/100:15:231
2002797992818,2cyclictest2125951-21diskmemload21:43:120
2002797992818,1cyclictest2125951-21diskmemload23:42:340
2002797992818,1cyclictest0-21swapper/023:38:260
2002797992818,1cyclictest0-21swapper/000:13:590
2002797992817,2cyclictest2177071-21munin-run21:50:000
200279799280,20cyclictest2125951-21diskmemload21:32:430
2002802992723,3cyclictest2284272-21systemd-run23:15:002
200280299272,22cyclictest2023416-21apt-get19:30:122
200280299272,21cyclictest2158523-21apt-get21:35:122
200280299271,23cyclictest2013244-21apt-get19:20:122
200280299271,22cyclictest2334709-21apt-get23:55:142
200280299271,21cyclictest2164765-21apt-get21:40:112
2002797992719,1cyclictest0-21swapper/019:20:160
2002797992716,2cyclictest2150015-21ntp_states21:25:270
200279799271,1cyclictest0-21swapper/021:12:380
200279799270,21cyclictest2214758-21ssh22:18:440
200279799270,20cyclictest2125951-21diskmemload21:19:030
200279799270,20cyclictest0-21swapper/023:46:130
200279799270,1cyclictest0-21swapper/023:24:500
200280299261,23cyclictest2256123-21kthreadcore22:50:192
200280299261,21cyclictest2272014-21apt-get23:05:122
200279999260,2cyclictest191rcu_preempt22:35:121
2002797992619,1cyclictest0-21swapper/022:27:260
2002797992618,1cyclictest0-21swapper/023:53:560
2002797992618,1cyclictest0-21swapper/022:11:260
2002797992617,1cyclictest0-21swapper/022:50:090
200279799261,2cyclictest2125951-21diskmemload22:01:270
200279799260,1cyclictest64-21kcompactd023:55:160
200280799252,2cyclictest2221758-21apt-get22:25:163
2002807992516,2cyclictest2363980-21taskset00:15:243
2002802992519,3cyclictest2340945-21apt-get00:00:132
2002799992516,1cyclictest191rcu_preempt22:02:491
200279999250,24cyclictest2374393-21grep00:25:211
2002797992518,1cyclictest0-21swapper/020:30:150
2002797992518,1cyclictest0-21swapper/020:30:140
2002797992517,1cyclictest2125951-21diskmemload00:09:550
2002797992515,1cyclictest0-21swapper/021:52:180
200279799250,20cyclictest0-21swapper/021:24:570
200279799250,19cyclictest0-21swapper/020:05:570
2002807992418,4cyclictest3471731-21systemd-journal22:10:003
200280799241,21cyclictest2385711-21hddtemp_smartct00:35:163
2002802992420,3cyclictest2057970-21ntpq20:00:222
2002802992420,2cyclictest2347225-21apt-get00:05:132
2002802992419,3cyclictest2269780-21ntpq23:00:212
2002802992419,3cyclictest2125951-21diskmemload21:59:072
2002802992419,3cyclictest2095731-21sort20:40:172
200280299241,21cyclictest2363849-21ntpq00:15:212
200280299241,20cyclictest2121162-21apt-get21:05:132
200280299240,22cyclictest2288655-21ntpq23:15:232
200280299240,21cyclictest2246891-21ssh22:45:102
200280299240,20cyclictest0-21swapper/222:00:122
200280299240,20cyclictest0-21swapper/221:45:112
200280299240,20cyclictest0-21swapper/219:35:122
200280299240,20cyclictest0-21swapper/200:30:142
2002799992420,2cyclictest0-21swapper/100:35:201
200279999241,4cyclictest2174850-21ssh21:45:181
200279999241,3cyclictest3471731-21systemd-journal23:01:581
200279999241,21cyclictest2315907-21apt-get23:40:121
200279999241,21cyclictest2125951-21diskmemload23:50:421
200279999241,21cyclictest2079542-21apt-get20:25:141
200279999241,21cyclictest2028508-21apt-get19:35:121
200279999240,4cyclictest2290550-21cron23:20:001
200279999240,23cyclictest2203011-21sed22:10:181
200279999240,17cyclictest191rcu_preempt23:58:591
2002797992420,2cyclictest2008127-21apt-get19:15:120
200279799241,21cyclictest3471731-21systemd-journal00:20:000
200279799241,20cyclictest2125951-21diskmemload00:30:020
200280799232,2cyclictest3090149-21kworker/u8:3+rpciod22:15:283
2002807992319,3cyclictest2110564-21apt-get20:55:133
200280799231,2cyclictest2048918-21apt-get19:55:123
200280799231,2cyclictest2023416-21apt-get19:30:123
2002802992320,2cyclictest2125951-21diskmemload00:39:162
2002802992319,2cyclictest2228045-21apt-get22:30:122
2002802992319,2cyclictest0-21swapper/221:50:112
2002802992319,2cyclictest0-21swapper/220:25:142
2002802992318,3cyclictest2126692-21apt-get21:10:122
200280299231,2cyclictest2224030-21kthreadcore22:25:222
200280299231,2cyclictest2139176-21apt-get21:20:122
200280299231,2cyclictest2125951-21diskmemload22:21:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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