You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-19 - 07:02
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackeslot6.osadl.org (updated Sun Apr 19, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
377617299121105,12cyclictest1082754-21cupsd00:00:000
37761769910696,8cyclictest1082758-21cups-browsed23:59:591
3776176999989,7cyclictest3842164-21latency_hist22:35:011
3776176999085,4cyclictest3827566-21kworker/u8:0+flush-179:022:04:561
3776176999082,6cyclictest3838730-21latency_hist22:25:011
3776176998980,7cyclictest510-21rs:main1
3776176998480,3cyclictest3789102-21kworker/u8:2+events_unbound20:09:561
3776176998379,3cyclictest3861567-21kworker/u8:4+events_unbound23:50:251
3776176998379,3cyclictest3774518-21kworker/u8:3+events_unbound19:25:241
3776176998278,3cyclictest3800251-21kworker/u8:2+events_unbound20:30:231
3776176998278,3cyclictest3779797-21kworker/u8:1+events_unbound19:31:561
3776172998274,6cyclictest3861567-21kworker/u8:4+flush-179:000:35:010
3776172998074,4cyclictest3784000-21kworker/u8:0+events_unbound20:05:010
3776172998074,4cyclictest3784000-21kworker/u8:0+events_unbound20:05:010
3776176997974,4cyclictest3827566-21kworker/u8:0+events_unbound21:50:241
3776176997872,5cyclictest3851965-21kworker/u8:0+events_unbound23:03:571
3776172997872,4cyclictest3858592-21kworker/u8:0+flush-179:023:34:560
3776172997772,3cyclictest3835568-21kworker/u8:1+events_unbound22:40:240
3776172997772,3cyclictest3835568-21kworker/u8:1+events_unbound22:40:230
3776172997770,5cyclictest3875400-21kworker/u8:1+flush-179:000:20:010
3776176997570,4cyclictest3803361-21kworker/u8:3+events_unbound20:35:281
3776172997568,4cyclictest3792287-21kworker/u8:1+flush-179:020:35:000
3776176997469,4cyclictest3789102-21kworker/u8:2+events_unbound20:14:561
3776172997467,4cyclictest3779797-21kworker/u8:1+events_unbound19:20:250
3776176997364,7cyclictest1213033-21systemd-journal21:35:001
3776176997364,6cyclictest3869554-21kworker/u8:0+flush-179:000:04:001
3776172997367,5cyclictest3849837-21kworker/u8:1+flush-179:023:09:560
3776176997167,3cyclictest3875400-21kworker/u8:1+events_unbound00:23:571
3776176997167,3cyclictest3858592-21kworker/u8:0+events_unbound23:33:571
3776176997167,3cyclictest3819084-21kworker/u8:2+events_unbound21:45:191
3776176997166,4cyclictest3784000-21kworker/u8:0+events_unbound19:57:561
3776172997157,4cyclictest3803369-21kworker/u8:4+flush-179:020:55:000
3776172997157,4cyclictest3803369-21kworker/u8:4+flush-179:020:55:000
3776179997039,1cyclictest0-21swapper/320:53:593
3776179997039,1cyclictest0-21swapper/320:53:593
3776176997066,3cyclictest3786673-21kworker/u8:4+events_unbound19:41:561
3776176997065,4cyclictest3855195-21kworker/u8:3+events_unbound23:17:561
3776172997064,5cyclictest3855195-21kworker/u8:3+flush-179:023:19:550
3776172997064,4cyclictest3816164-21kworker/u8:3+flush-179:021:29:550
3776172997063,5cyclictest3832599-21/usr/sbin/munin22:05:240
3776172997059,9cyclictest1213033-21systemd-journal20:25:000
3776176996965,3cyclictest3861567-21kworker/u8:4+events_unbound23:45:231
3776176996964,4cyclictest3819084-21kworker/u8:2+events_unbound21:22:541
3776172996961,6cyclictest3861534-21kworker/u8:3+events_unbound23:40:240
3776172996957,9cyclictest3879119-21latency_hist00:30:010
3776176996863,4cyclictest3875400-21kworker/u8:1+events_unbound00:26:571
3776176996863,4cyclictest3869554-21kworker/u8:0+events_unbound00:11:571
3776176996763,3cyclictest3776071-21kworker/u8:0+events_unbound19:15:261
3776176996760,5cyclictest3785609-21latency_hist19:40:021
3776172996762,4cyclictest3784000-21kworker/u8:0+flush-179:020:29:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional