You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-04-02 - 08:21
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 Wed Apr 02, 2025 00:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
362568699146139,5cyclictest3676891-21kworker/u8:0+events_unbound22:25:020
362568699116106,7cyclictest3608112-21kworker/u8:0+events_unbound19:10:020
362569199114101,10cyclictest3666582-21latency_hist21:30:001
36256919911198,5cyclictest3697089-21kworker/u8:0+events_unbound23:40:241
362569199110104,4cyclictest3632115-21kworker/u8:2+flush-179:019:35:241
36256919910996,11cyclictest3705783-40logrotate00:00:011
36256869910698,7cyclictest3656562-21kworker/u8:3+events_unbound21:20:260
36256869910698,7cyclictest3656562-21kworker/u8:3+events_unbound21:20:250
36256869910694,4cyclictest3638476-21kworker/u8:0+flush-179:019:50:240
36256869910599,4cyclictest3635290-21kworker/u8:1+events_unbound19:45:230
36256919910497,6cyclictest3682190-21kworker/u8:2+flush-179:022:40:251
36256869910488,6cyclictest3656562-21kworker/u8:3+events_unbound21:00:150
36256869910488,6cyclictest3656562-21kworker/u8:3+events_unbound21:00:150
36256919910290,6cyclictest3673506-21kworker/u8:3+flush-179:022:00:001
36256869910290,4cyclictest3651997-21kworker/u8:1+events_unbound20:40:160
36256919910193,6cyclictest3656562-21kworker/u8:3+events_unbound21:30:021
36256919910193,5cyclictest3608112-21kworker/u8:0+events_unbound19:30:251
36256919910092,6cyclictest3656562-21kworker/u8:3+events_unbound21:20:131
36256919910092,6cyclictest3656562-21kworker/u8:3+events_unbound21:20:121
3625691999991,5cyclictest3643259-21kworker/u8:0+events_unbound20:20:251
3625686999994,4cyclictest3682190-21kworker/u8:2+events_unbound00:10:200
3625691999887,8cyclictest3625482-21latency_hist19:10:011
3625686999791,4cyclictest3682190-21kworker/u8:2+flush-179:023:10:160
3625686999785,5cyclictest3656562-21kworker/u8:3+events_unbound21:05:230
3625691999688,5cyclictest3697089-21kworker/u8:0+flush-179:023:30:111
3625686999685,8cyclictest3682190-21kworker/u8:2+events_unbound22:35:120
3625686999685,8cyclictest3682190-21kworker/u8:2+events_unbound22:35:120
3625686999591,3cyclictest3638476-21kworker/u8:0+events_unbound19:55:250
3625691999285,5cyclictest3661271-21kworker/u8:0+flush-179:021:10:241
3625691999279,4cyclictest3638731-21kworker/u8:2+events_unbound20:00:001
3625686999287,4cyclictest3692312-21kworker/u8:3+events_unbound23:20:240
3625691999180,9cyclictest3702389-21gpgv23:50:011
3625691999079,7cyclictest3676891-21kworker/u8:0+flush-179:022:10:171
362568699900,88cyclictest1-21systemd21:40:010
3625691998880,6cyclictest3692516-21/usr/sbin/munin23:10:191
3625686998882,4cyclictest3697089-21kworker/u8:0+events_unbound00:00:000
3625691998780,5cyclictest3635290-21kworker/u8:1+events_unbound19:45:121
3625686998779,6cyclictest3661271-21kworker/u8:0+events_unbound21:15:020
3625686998777,8cyclictest3697089-21kworker/u8:0+events_unbound23:50:140
3625686998777,8cyclictest3697089-21kworker/u8:0+events_unbound23:50:140
3625691998680,4cyclictest3638731-21kworker/u8:2+events_unbound21:05:161
3625691998678,6cyclictest3668410-21kworker/u8:0+flush-179:021:40:001
3625691998678,5cyclictest3668410-21kworker/u8:0+events_unbound21:50:091
3625691998577,5cyclictest3682190-21kworker/u8:2+flush-179:000:10:161
3625686998580,4cyclictest3710446-21kworker/u8:0+events_unbound00:20:250
3625691998479,4cyclictest3712724-21kworker/u8:2+flush-179:000:35:231
3625691998478,4cyclictest3692312-21kworker/u8:3+events_unbound23:20:171
3625691998476,6cyclictest3682190-21kworker/u8:2+flush-179:022:55:251
3625686998480,3cyclictest3608112-21kworker/u8:0+events_unbound19:20:240
3625686998475,7cyclictest3656562-21kworker/u8:3+events_unbound21:10:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional