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2025-11-25 - 17:31
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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 50 highest latencies:
System rackeslot4.osadl.org (updated Tue Nov 25, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3942081993319,2cyclictest4135608-21ssh10:05:131
3942081993119,2cyclictest4019645-21cron08:25:011
3942082993013,3cyclictest2719-21cron11:25:012
394208199309,2cyclictest0-21swapper/110:45:211
3942081993018,4cyclictest510-21dbus-daemon12:15:001
3942081993017,6cyclictest84806-21sed11:55:251
3942081992825,2cyclictest4044602-21ntp_offset08:45:211
394207799270,26cyclictest4066191-21diskmemload10:46:190
3942082992620,4cyclictest4147878-21cron10:14:592
394207799261,3cyclictest67945-21apt-get11:45:120
394207799261,3cyclictest4004641-21apt-get08:10:120
394207799261,22cyclictest4152300-21ntpq10:15:230
394207799261,21cyclictest112485-21apt-get12:20:150
3942082992521,3cyclictest4191935-21basename10:50:002
394208299251,22cyclictest28132-21sed11:10:232
394208299251,22cyclictest131527-21munin-run12:34:592
394208299251,21cyclictest17168-21apt-get11:05:142
394208299251,21cyclictest119206-21apt-get12:25:142
394208299250,23cyclictest3979169-21tr07:45:152
394208299250,23cyclictest112765-21fschecks_time12:20:182
394208199251,20cyclictest4160805-21apt-get10:25:111
3942077992523,1cyclictest0-21swapper/009:05:170
3942077992519,5cyclictest41747-21ssh11:22:380
394207799251,4cyclictest3471731-21systemd-journal11:20:000
394207799251,22cyclictest4173347-21apt-get10:35:130
3942084992420,2cyclictest0-21swapper/311:10:013
394208499241,20cyclictest3963349-21apt-get07:30:133
394208499240,20cyclictest119216-21ssh12:25:143
394208499240,20cyclictest0-21swapper/308:25:133
3942082992420,2cyclictest42813-21apt-get11:25:122
394208299241,3cyclictest89710-21ssh12:00:192
394208299241,3cyclictest4055867-21apt-get09:00:152
394208299241,3cyclictest3968448-21apt-get07:35:132
394208299241,21cyclictest4066191-21diskmemload12:10:122
394208299241,21cyclictest4066191-21diskmemload11:55:202
394208299241,20cyclictest106147-21apt-get12:15:122
394208299241,20cyclictest0-21swapper/210:25:102
394208299241,20cyclictest0-21swapper/208:30:122
394208299240,4cyclictest4110797-21fschecks_time09:45:142
394208299240,3cyclictest4120859-21ntpq09:50:232
394208299240,22cyclictest4104746-21ps09:40:162
394208299240,22cyclictest4066191-21diskmemload11:53:302
394208199243,20cyclictest4070534-21ssh09:10:221
3942081992419,3cyclictest49091-21apt-get11:30:101
394208199240,4cyclictest4082386-21ssh09:20:191
394208199240,23cyclictest4127752-21ssh09:55:531
394208199240,20cyclictest0-21swapper/108:35:151
394207799242,2cyclictest4035558-21apt-get08:40:140
3942077992419,3cyclictest0-21swapper/011:30:110
3942077992417,6cyclictest87118-21cut12:00:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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