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2026-06-28 - 05:49
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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 Sun Jun 28, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
389408199320,4cyclictest4107337-21basename22:40:013
389408199311,20cyclictest0-21swapper/322:50:183
3894071993027,2cyclictest0-21swapper/021:20:000
389408199291,3cyclictest4067083-21apt-get22:00:123
389408199291,19cyclictest0-21swapper/300:00:133
389408199290,21cyclictest3965359-21/usr/sbin/munin20:20:163
389408199281,19cyclictest0-21swapper/322:55:133
3894081992719,6cyclictest0-21swapper/322:30:103
389408199271,24cyclictest3909501-21apt-get19:25:133
389408199271,23cyclictest3777322-21systemd-journal22:30:003
389408199271,23cyclictest0-21swapper/320:25:113
3894081992620,4cyclictest3944848-21apt-get20:00:103
3894081992620,3cyclictest4056954-21apt-get21:50:133
3894081992614,10cyclictest4016560-21grep21:10:153
389408199261,21cyclictest4168733-21apt-get23:40:113
389408199261,21cyclictest0-21swapper/323:45:133
3894081992518,5cyclictest4010037-21/usr/sbin/munin21:00:243
3894081992517,7cyclictest3904936-21irqcore19:20:173
3894081992515,8cyclictest0-21swapper/319:40:003
389408199251,20cyclictest0-21swapper/323:15:123
389408199251,20cyclictest0-21swapper/323:00:123
389408199250,5cyclictest3954694-21cron20:10:003
389408199250,2cyclictest0-21swapper/319:42:303
389408199250,22cyclictest11102-21sed00:15:183
3894071992520,3cyclictest4051899-21apt-get21:45:110
389407199250,5cyclictest4036048-21latency_hist21:30:010
3894081992420,2cyclictest514-21in:imuxsock20:35:003
3894081992419,3cyclictest2875-21cron21:45:003
3894081992419,2cyclictest3980204-21apt-get20:35:113
3894081992419,2cyclictest3980204-21apt-get20:35:113
389408199241,3cyclictest5586-21apt-get00:10:143
389408199241,3cyclictest4138392-21apt-get23:10:113
389408199241,3cyclictest4138392-21apt-get23:10:113
389408199241,3cyclictest4077190-21apt-get22:10:113
389408199241,20cyclictest521-21apt-get00:05:143
389408199241,20cyclictest0-21swapper/321:30:113
389408199240,22cyclictest3958874-21taskset20:10:203
389408199240,21cyclictest0-21swapper/323:35:123
389407999241,20cyclictest4041792-21apt-get21:35:132
389407499242,2cyclictest4153578-21apt-get23:25:121
389407499242,20cyclictest4118163-21apt-get22:50:131
3894074992419,3cyclictest4107607-21apt-get22:40:121
389407499241,21cyclictest4113087-21apt-get22:45:131
389407499241,20cyclictest4026185-21apt-get21:20:131
389407199242,21cyclictest4072160-21apt-get22:05:130
389407199242,21cyclictest3960010-21apt-get20:15:120
3894071992422,1cyclictest0-21swapper/023:10:000
3894081992319,2cyclictest4183943-21apt-get23:55:113
3894081992319,2cyclictest20745-21apt-get00:25:123
3894081992318,3cyclictest3990105-21cron20:45:003
3894081992316,5cyclictest0-21swapper/323:25:123
389408199231,21cyclictest4113585-21grep22:45:173
3894081992312,10cyclictest4163409-21cron23:35:013
389408199230,3cyclictest0-21swapper/320:55:123
389408199230,20cyclictest0-21swapper/322:40:113
3894079992320,2cyclictest3924613-21apt-get19:40:122
3894079992319,2cyclictest4082266-21apt-get22:15:102
3894079992319,2cyclictest3898215-21ntpq19:10:212
389407999231,19cyclictest3914549-21apt-get19:30:102
389407999230,20cyclictest0-21swapper/222:35:122
389407499231,20cyclictest4158654-21apt-get23:30:111
389407499231,20cyclictest3919583-21apt-get19:35:121
389407499231,19cyclictest0-21swapper/120:30:121
389407499230,4cyclictest4071108-21/usr/sbin/munin22:00:241
389407499230,20cyclictest0-21swapper/123:05:111
389407499230,20cyclictest0-21swapper/122:35:111
389407499230,20cyclictest0-21swapper/120:35:111
389407499230,20cyclictest0-21swapper/120:35:111
389407499230,20cyclictest0-21swapper/100:10:141
389407499230,19cyclictest0-21swapper/122:15:101
3894071992321,1cyclictest0-21swapper/000:20:000
3894071992320,2cyclictest3985282-21apt-get20:40:130
389407199231,20cyclictest4168733-21apt-get23:40:110
389407199231,20cyclictest3975174-21apt-get20:30:120
389407199230,22cyclictest4112785-21sed22:45:010
3894081992218,3cyclictest30414-21sshd00:32:143
389408199221,2cyclictest0-21swapper/319:50:113
389408199221,20cyclictest0-21swapper/321:16:343
389407999223,9cyclictest3969857-21awk20:25:002
3894079992218,2cyclictest4057455-21tr21:50:172
3894079992218,2cyclictest3938611-21ntpq19:50:202
389407999220,21cyclictest4157871-21unixbench-2d23:25:242
389407999220,20cyclictest0-21swapper/221:20:122
389407999220,19cyclictest0-21swapper/221:40:132
389407999220,19cyclictest0-21swapper/220:00:092
389407999220,19cyclictest0-21swapper/219:45:122
389407999220,19cyclictest0-21swapper/200:25:132
3894074992219,2cyclictest4036736-21apt-get21:30:101
3894074992219,1cyclictest10615-21apt-get00:15:131
3894074992218,3cyclictest4056146-21timerwakeupswit21:45:241
3894074992218,3cyclictest4047345-21sed21:40:171
389407499221,1cyclictest0-21swapper/120:10:101
389407499220,21cyclictest4189972-21ps00:00:171
389407499220,19cyclictest0-21swapper/122:55:141
389407499220,19cyclictest0-21swapper/120:15:121
3894071992220,1cyclictest4163686-21apt-get23:35:130
3894071992220,1cyclictest4031005-21munin-run21:25:000
3894071992218,2cyclictest4011502-21ps21:05:170
389407199221,2cyclictest15672-21apt-get00:20:130
389407199221,20cyclictest0-21swapper/023:15:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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