You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-13 - 18:56
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 Fri Mar 13, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35756889910291,8cyclictest3617258-21latency_hist09:20:010
35756919910193,6cyclictest3618892-21kworker/u8:3+events_unbound09:40:031
35756919910091,7cyclictest3585471-21kworker/u8:1+events_unbound07:50:231
3575691999388,4cyclictest3633657-21kworker/u8:2+events_unbound10:20:211
3575688999380,8cyclictest3590225-21kworker/u8:0+flush-179:008:00:000
3575688998677,7cyclictest3620688-21latency_hist09:30:010
3575691998479,4cyclictest3595005-21kworker/u8:1+flush-179:008:25:251
3575691998479,4cyclictest3595005-21kworker/u8:1+flush-179:008:25:241
3575691998379,3cyclictest3554677-21kworker/u8:0+events_unbound07:30:231
3575688998373,7cyclictest3638458-21latency_hist10:25:020
3575691998278,3cyclictest3677042-21kworker/u8:2+flush-179:012:30:201
3575691998277,4cyclictest3677998-21kworker/u8:3+flush-179:012:29:551
3575691998076,3cyclictest3618892-21kworker/u8:3+events_unbound09:30:211
3575691997672,3cyclictest3554677-21kworker/u8:0+events_unbound07:20:181
3575691997671,3cyclictest3563209-21kworker/u8:2+events_unbound07:10:191
3575691997668,6cyclictest3618892-21kworker/u8:3+flush-179:009:55:001
3575688997661,12cyclictest3636906-21kworker/u8:3+flush-179:010:30:210
3575688997658,16cyclictest3604521-21latency_hist08:40:010
3575691997567,6cyclictest3593386-21latency_hist08:05:011
3575691997557,15cyclictest3665802-21http11:50:001
3575688997557,16cyclictest3669741-21apt-get12:00:100
3575691997469,4cyclictest3665241-21kworker/u8:0+events_unbound11:55:231
3575691997469,4cyclictest3628932-21kworker/u8:2+events_unbound10:00:191
3575691997469,4cyclictest3628932-21kworker/u8:2+events_unbound10:00:181
3575691997469,4cyclictest3595005-21kworker/u8:1+events_unbound08:15:141
3575688997461,9cyclictest3606156-21kworker/u8:1+flush-179:008:55:220
3575691997368,4cyclictest3602899-21kworker/u8:4+events_unbound09:10:221
3575691997368,3cyclictest3636906-21kworker/u8:3+events_unbound10:30:211
3575691997268,3cyclictest3681119-21kworker/u8:1+flush-179:012:39:561
3575691997268,3cyclictest3636906-21kworker/u8:3+events_unbound10:35:231
3575691997268,3cyclictest3585471-21kworker/u8:1+flush-179:007:40:211
3575691997267,4cyclictest3653075-21kworker/u8:3+flush-179:011:15:191
3575691997267,4cyclictest3636906-21kworker/u8:3+events_unbound10:40:191
3575691997267,4cyclictest3602898-21kworker/u8:2+events_unbound08:50:231
3575691997167,3cyclictest3633657-21kworker/u8:2+flush-179:010:29:551
3575691997166,4cyclictest3665241-21kworker/u8:0+events_unbound12:00:231
3575691997066,3cyclictest3656191-21kworker/u8:2+events_unbound11:30:191
3575691997066,3cyclictest3587066-21kworker/u8:3+flush-179:008:05:221
3575691996965,3cyclictest3646387-21kworker/u8:1+flush-179:011:09:561
3575691996964,4cyclictest3665241-21kworker/u8:0+flush-179:012:10:191
3575691996958,4cyclictest3602898-21kworker/u8:2+events_unbound09:20:221
3575688996961,6cyclictest3633675-21latency_hist10:10:000
3575691996864,3cyclictest3656191-21kworker/u8:2+flush-179:011:20:191
3575691996751,14cyclictest3578786-21apt-get07:20:011
3575691996662,3cyclictest3646387-21kworker/u8:1+flush-179:010:50:201
3575691996662,3cyclictest3641611-21kworker/u8:4+flush-179:010:45:221
3575691996661,4cyclictest3587066-21kworker/u8:3+events_unbound08:30:141
357568899663,46cyclictest3618904-21munin-run09:25:000
3575691996561,3cyclictest3646387-21kworker/u8:1+events_unbound11:00:211
3575691996560,3cyclictest3606156-21kworker/u8:1+events_unbound08:55:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional