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2026-05-08 - 21:06
Click here to display the system's profile data.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Note that at least one system runs a non-RT kernel (x scale expanded to 2000 µs).
Data to construct the above plot have been generated using the RT test utility cyclictest.
Characteristics of the 20 highest latencies:
System (updated Sun Jan 04, 2026 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40635202228198,20sleep30-21swapper/307:08:033
40624062226169,13sleep20-21swapper/207:05:172
40635032222193,19sleep10-21swapper/107:07:481
40636422221193,19sleep00-21swapper/007:09:360
406386699750,74cyclictest4077105-21kworker/u8:0+efi_rts_wq07:46:522
406386099757,68cyclictest4077105-21kworker/u8:0+efi_rts_wq07:46:511
4063860996439,23cyclictest3986-21Chrome_ChildIOT09:45:011
406386899615,56cyclictest4093955-21kworker/u8:1+efi_rts_wq07:46:553
406386699581,2cyclictest3902-13chrome09:45:022
4063866995350,2cyclictest76929-21kworker/u8:1+events_unbound11:35:152
4063868994943,4cyclictest4163805-21/usr/share/muni09:05:153
4063860994934,14cyclictest55821-21snmp_wlanswitch10:45:011
4063868994743,3cyclictest63893-21kworker/u8:2+flush-179:011:10:103
4063866994742,4cyclictest98214-31munin-html11:30:302
4063866994542,2cyclictest4103068-21kworker/u8:3+flush-179:008:10:112
4063866994542,2cyclictest16446-21kworker/u8:1+events_unbound10:20:102
4063866994541,3cyclictest51309-21kworker/u8:0+events_unbound10:45:082
4063866994541,2cyclictest46711-21kworker/u8:2+events_unbound10:40:252
4063866994441,2cyclictest4109929-21kworker/u8:2+events_unbound08:40:132
4063860994439,3cyclictest125373-21/usr/share/muni12:05:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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