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2026-04-04 - 10:37
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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 Apr 04, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
70934699311,21cyclictest894566-21grep22:10:170
70935699305,23cyclictest261-21systemd-journal00:40:013
709346993020,8cyclictest751142-21apt-get19:50:120
70934699292,2cyclictest929829-21apt-get22:45:110
709346992917,10cyclictest1000821-21cron23:54:590
70934999281,22cyclictest781845-21apt-get20:20:121
709346992819,7cyclictest1016356-21apt-get00:10:110
70934699280,20cyclictest909361-21cron22:25:010
70934699280,20cyclictest812007-21https20:50:010
70934999271,22cyclictest1036599-21apt-get00:30:111
709346992718,8cyclictest64-21kcompactd020:15:500
70934699271,25cyclictest64-21kcompactd021:53:400
70934699270,3cyclictest806925-21awk20:45:010
70934699270,1cyclictest0-21swapper/021:45:110
70934699270,1cyclictest0-21swapper/000:15:110
709354992619,5cyclictest1026996-21cut00:20:182
70934999262,21cyclictest740969-21apt-get19:40:121
709349992620,4cyclictest863284-21apt-get21:40:121
70934999261,23cyclictest959897-21cron23:15:001
70934999261,21cyclictest970707-21apt-get23:25:121
70934999261,21cyclictest965227-21apt-get23:20:121
70934699260,25cyclictest0-21swapper/019:20:010
70935699251,21cyclictest730757-21apt-get19:30:103
70935699251,20cyclictest909638-21apt-get22:25:113
70935499252,20cyclictest1031544-21apt-get00:25:112
709349992521,3cyclictest845282-21kthreadcore21:20:181
70934999251,3cyclictest832935-21apt-get21:10:111
70934999251,21cyclictest889551-21irqcore22:05:161
70934999251,21cyclictest889551-21irqcore22:05:161
70934999251,21cyclictest786889-21apt-get20:25:121
70934999251,21cyclictest0-21swapper/121:45:161
70934999251,20cyclictest980880-21apt-get23:35:111
70934999251,20cyclictest0-21swapper/122:20:121
70934999250,22cyclictest986440-21grep23:40:151
70934999250,21cyclictest0-21swapper/120:15:121
70934999250,21cyclictest0-21swapper/100:00:111
709346992521,2cyclictest1001097-21apt-get23:55:110
70934699250,24cyclictest0-21swapper/023:15:100
709356992419,3cyclictest931505-21grep22:45:163
709356992418,4cyclictest879406-21grep21:55:163
70935699241,3cyclictest985935-21apt-get23:40:113
70935499242,20cyclictest715078-21apt-get19:15:102
709354992419,2cyclictest0-21swapper/220:00:122
70935499241,20cyclictest1041653-21apt-get00:35:132
709349992420,3cyclictest514-21in:imuxsock00:15:001
709349992420,2cyclictest725411-21cron19:24:591
70934999241,3cyclictest813087-21sshd20:50:141
70934999241,3cyclictest1011280-21apt-get00:05:131
70934999241,2cyclictest0-21swapper/119:15:111
70934999241,20cyclictest883991-21apt-get22:00:121
70934999241,20cyclictest0-21swapper/123:00:121
70934999241,20cyclictest0-21swapper/119:50:111
70934999240,22cyclictest874747-21/usr/sbin/munin21:50:161
70934999240,20cyclictest0-21swapper/120:00:121
70934699242,20cyclictest934906-21apt-get22:50:130
70934699241,21cyclictest878914-21apt-get21:55:120
70934699241,21cyclictest771309-21apt-get20:10:110
70934699241,20cyclictest0-21swapper/022:00:070
70934699240,23cyclictest0-21swapper/022:15:100
70934699240,19cyclictest0-21swapper/023:14:180
709356992319,2cyclictest848123-21apt-get21:25:133
709356992319,2cyclictest797042-21apt-get20:35:133
70935699231,20cyclictest817749-21apt-get20:55:113
70935699231,20cyclictest0-21swapper/323:35:143
70935699230,4cyclictest878637-21cron21:55:003
70935699230,20cyclictest0-21swapper/320:45:113
70935699230,20cyclictest0-21swapper/320:00:113
70935699230,20cyclictest0-21swapper/319:50:123
70935499231,2cyclictest802096-21apt-get20:40:122
70935499231,2cyclictest766260-21apt-get20:05:122
70935499231,21cyclictest843046-21apt-get21:20:112
70935499231,1cyclictest858228-21apt-get21:35:102
70935499230,22cyclictest702-21runrttasks19:25:102
70935499230,22cyclictest1041401-21awk00:35:002
70935499230,21cyclictest817752-21taskset20:55:112
709349992319,2cyclictest0-21swapper/121:35:111
709349992318,3cyclictest0-21swapper/121:10:001
70934999231,20cyclictest0-21swapper/120:40:111
70934999230,22cyclictest811974-21cron20:50:011
70934999230,21cyclictest978037-21ps23:30:171
70934999230,20cyclictest0-21swapper/119:10:131
709346992320,2cyclictest975806-21apt-get23:30:120
709346992316,6cyclictest0-21swapper/021:27:150
709346992313,9cyclictest746524-21ps19:45:150
70934699231,2cyclictest709567-21apt-get19:10:130
70934699231,21cyclictest61650irq/133-enp0s29f1:rx-019:40:120
70934699231,20cyclictest812674-21apt-get20:50:120
70934699230,3cyclictest1-21systemd21:45:000
70934699230,21cyclictest261-21systemd-journal19:39:590
709356992219,2cyclictest853176-21apt-get21:30:133
709356992219,1cyclictest0-21swapper/320:30:123
709356992218,2cyclictest924777-21apt-get22:40:123
70935699221,2cyclictest500-21dbus-daemon20:20:013
70935699220,20cyclictest0-21swapper/322:35:043
70935699220,20cyclictest0-21swapper/321:35:093
70935699220,19cyclictest0-21swapper/323:00:113
70935699220,19cyclictest0-21swapper/321:05:103
70935699220,19cyclictest0-21swapper/300:20:133
709354992219,2cyclictest0-21swapper/223:35:112
709354992218,2cyclictest990722-21cron23:44:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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