You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-30 - 08:37
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 Tue Jun 30, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8383999146135,7cyclictest112635-21latency_hist20:40:011
8383599132126,4cyclictest95165-21kworker/u8:3+events_unbound20:30:010
8383999128120,5cyclictest170707-21latency_hist23:40:011
8383999122111,8cyclictest1213033-21systemd-journal21:00:011
8383599119112,5cyclictest122212-21kworker/u8:1+flush-179:022:30:170
8383999114103,8cyclictest120593-21latency_hist21:05:021
838359911386,9cyclictest86929-21apt-get19:20:000
8383599111105,4cyclictest163137-21kworker/u8:2+flush-179:023:30:140
838359911099,8cyclictest96715-21latency_hist19:50:010
838359910896,8cyclictest165671-21latency_hist23:25:020
838399910798,7cyclictest103080-21latency_hist20:10:001
838399910697,6cyclictest181892-21latency_hist00:15:011
838399910690,12cyclictest1213033-21systemd-journal00:04:001
838399910394,6cyclictest162475-21latency_hist23:15:001
838399910288,11cyclictest1213033-21systemd-journal21:19:591
838399910191,7cyclictest104665-21latency_hist20:15:011
838399910187,10cyclictest130398-21latency_hist21:35:011
838399910090,7cyclictest91938-21latency_hist19:35:011
83839999991,6cyclictest122177-21latency_hist21:10:011
83839999991,6cyclictest122177-21latency_hist21:10:001
83839999984,11cyclictest1213033-21systemd-journal23:25:001
83839999886,9cyclictest1213033-21systemd-journal00:00:011
83835999890,5cyclictest125326-21kworker/u8:0+events_unbound22:00:260
83835999792,4cyclictest143353-21kworker/u8:0+events_unbound22:45:240
83835999792,4cyclictest125326-21kworker/u8:0+events_unbound21:50:010
83835999791,5cyclictest122212-21kworker/u8:1+flush-179:021:50:230
83835999685,8cyclictest112693-21kworker/u8:2+events_unbound20:50:010
83835999488,4cyclictest143353-21kworker/u8:0+events_unbound22:50:170
83835999485,7cyclictest177100-40mandb00:00:020
83835999485,7cyclictest143373-21kworker/u8:3+flush-179:022:20:010
83835999485,7cyclictest143373-21kworker/u8:3+flush-179:022:20:000
83839999384,6cyclictest82859-21kworker/u8:0+flush-179:019:15:271
83835999382,9cyclictest159339-21kworker/u8:1+events_unbound23:10:010
83835999282,7cyclictest181928-21kworker/u8:3+events_unbound00:30:150
83839999082,5cyclictest159304-21latency_hist23:05:011
83835998982,5cyclictest95165-21kworker/u8:3+flush-179:021:10:160
83835998885,2cyclictest101527-21true20:05:000
83835998774,10cyclictest129346-21diskstats21:30:150
83835998681,3cyclictest82859-21kworker/u8:0+flush-179:019:40:220
83835998680,3cyclictest95165-21kworker/u8:3+flush-179:019:55:200
83835998578,4cyclictest151323-21kworker/u8:2+flush-179:022:40:220
83835998576,6cyclictest173915-21kworker/u8:0+flush-179:000:20:000
83835998479,4cyclictest109485-21kworker/u8:0+flush-179:020:30:190
83835998374,6cyclictest83737-21kworker/u8:1+events_unbound19:30:160
83835998366,13cyclictest1213033-21systemd-journal00:25:000
83839998267,12cyclictest125326-21kworker/u8:0+flush-179:022:05:221
83835998275,5cyclictest95165-21kworker/u8:3+flush-179:020:55:250
83835998273,6cyclictest177027-21kworker/u8:1+flush-179:000:10:270
83835998171,7cyclictest143353-21kworker/u8:0+flush-179:023:00:150
83839998074,5cyclictest125326-21kworker/u8:0+flush-179:021:30:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional