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2025-11-26 - 23:45
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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 20 highest latencies:
System rackbslot2.osadl.org (updated Wed Nov 26, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12385492228198,20sleep00-21swapper/007:08:090
12385652223195,18sleep10-21swapper/107:08:221
12386372219189,20sleep20-21swapper/207:09:162
12384592219190,19sleep30-21swapper/307:07:003
1238872995610,25cyclictest0-21swapper/112:10:071
1238870995146,3cyclictest1381885-21kworker/u8:2+flush-179:009:55:270
1238872995045,4cyclictest1303186-31munin-html08:20:341
1238870995045,4cyclictest1276086-21apt-get07:50:130
1238872994933,15cyclictest1356882-1kworker/1:1H+kblockd09:55:031
1238877994842,3cyclictest17550irq/16-i2c_designware.009:45:022
1238870994845,2cyclictest1512311-21kworker/u8:2+events_unbound12:25:160
1238872994743,2cyclictest1373613-13chrome09:45:011
1238878994643,2cyclictest520103-1kworker/3:2H+kblockd09:45:183
1238878994633,12cyclictest520103-1kworker/3:2H+kblockd07:15:403
1238870994639,3cyclictest1348493-21kworker/u8:0+events_unbound09:20:050
1238870994639,3cyclictest1299810-21kworker/u8:1+events_unbound08:20:090
1238878994541,2cyclictest1269900-13chrome07:45:013
1238872994541,3cyclictest1373432-21latency_hist09:45:001
1238870994542,2cyclictest1455696-21kworker/u8:0+flush-179:011:25:130
1238870994540,4cyclictest1486140-21python311:50:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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