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2025-11-18 - 00:34
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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 Mon Nov 17, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25336572225196,19sleep00-21swapper/007:06:430
25335782225176,43sleep20-21swapper/207:05:412
25337882224195,19sleep10-21swapper/107:08:211
25336292223195,18sleep30-21swapper/307:06:233
261478221090,0sleep32614786-21grep08:40:163
2534041996562,1cyclictest2564803-21/usr/share/muni07:45:011
253403899599,50cyclictest2612007-21kworker/u8:0+efi_rts_wq09:02:080
2534044995613,42cyclictest2668596-21/usr/sbin/munin09:45:012
2534044995537,6cyclictest2659390-21kworker/2:0+pm09:50:232
2534049995439,3cyclictest2616555-13chrome08:45:013
2534041995350,2cyclictest2594377-21kworker/u8:2+flush-179:008:35:271
2534049995241,1cyclictest2668434-13chrome09:45:013
253404199513,28cyclictest0-21swapper/112:35:071
2534038995141,9cyclictest2594377-21kworker/u8:2+flush-179:008:45:160
253404199492,46cyclictest2612007-21kworker/u8:0+efi_rts_wq09:02:091
2534038994946,2cyclictest2594377-21kworker/u8:2+events_unbound08:20:140
2534041994842,2cyclictest2711570-21kworker/u8:3+events_unbound10:50:151
2534044994736,1cyclictest2694048-21kworker/2:2+pm10:17:012
2534038994743,3cyclictest2719132-21kworker/u8:2+flush-179:012:15:100
2534038994743,2cyclictest2772607-21chrome11:45:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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