You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-27 - 03:23
OSADL QA Farm

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of system in rack #e, slot #6

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next 		  
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 Aug 26, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)		T*(,W**)
latency
(µs)		CmdPIDPrioCmd
72184499142118,22cyclictest726583-21kworker/u8:3+flush-179:008:20:001
72184499138128,8cyclictest746222-21kworker/u8:0+events_unbound09:20:011
72184099137127,7cyclictest717225-21kworker/u8:0+flush-179:007:20:010
72184099134128,4cyclictest717225-21kworker/u8:0+flush-179:007:25:010
72184099134126,5cyclictest726583-21kworker/u8:3+events_unbound07:55:000
72184099131120,7cyclictest816258-21kworker/u8:0+flush-179:012:15:010
72184499130122,5cyclictest823407-21kworker/u8:1+events_unbound12:40:011
72184499128121,5cyclictest767171-21kworker/u8:3+events_unbound09:40:011
72184499125113,9cyclictest775138-21latency_hist09:55:011
72184499122112,7cyclictest755209-21kworker/u8:1+events_unbound09:00:201
72184499122112,7cyclictest729722-21latency_hist07:35:021
72184099122115,5cyclictest726583-21kworker/u8:3+flush-179:008:20:140
72184499121107,5cyclictest709319-21kworker/u8:2+flush-179:007:50:251
72184099121111,7cyclictest797433-21latency_hist11:05:000
72184499117112,4cyclictest803777-21kworker/u8:1+flush-179:012:10:261
72184499117110,4cyclictest810393-21kworker/u8:3+flush-179:011:45:221
72184499117106,9cyclictest1213033-21systemd-journal08:40:001
72184099117107,7cyclictest805649-21latency_hist11:30:010
72184099117106,8cyclictest803802-21latency_hist11:25:010
7218409911697,16cyclictest789469-21latency_hist10:40:010
72184099116108,5cyclictest746222-21kworker/u8:0+flush-179:009:20:000
72184099115105,6cyclictest778301-21kworker/u8:3+events_unbound10:10:230
72184499114104,7cyclictest726583-21kworker/u8:3+events_unbound08:05:201
72184099114105,6cyclictest771967-21latency_hist09:45:010
72184499113107,4cyclictest794901-21kworker/u8:0+events_unbound11:00:001
72184499113105,6cyclictest726583-21kworker/u8:3+flush-179:008:25:201
72184499111101,7cyclictest738032-21latency_hist08:00:011
7218409911198,10cyclictest1213033-21systemd-journal12:20:000
7218449910998,8cyclictest813598-21latency_hist11:55:011
72184499109102,5cyclictest755209-21kworker/u8:1+flush-179:008:55:251
72184499109100,7cyclictest821798-21kworker/u8:2+flush-179:012:30:191
72184499108100,5cyclictest726583-21kworker/u8:3+events_unbound08:40:141
7218449910798,7cyclictest778301-21kworker/u8:3+flush-179:010:15:191
7218449910693,5cyclictest709319-21kworker/u8:2+flush-179:007:15:221
72184499106100,4cyclictest810393-21kworker/u8:3+events_unbound11:55:231
72184499106100,4cyclictest798999-21kworker/u8:0+flush-179:011:15:241
7218409910699,5cyclictest821798-21kworker/u8:2+flush-179:012:30:200
7218409910695,9cyclictest731618-21latency_hist07:40:020
7218449910498,5cyclictest726583-21kworker/u8:3+events_unbound08:35:001
7218449910498,5cyclictest726583-21kworker/u8:3+events_unbound08:35:001
7218449910497,5cyclictest772002-21kworker/u8:1+events_unbound10:00:241
7218449910496,5cyclictest709319-21kworker/u8:2+flush-179:007:20:131
7218449910296,4cyclictest816258-21kworker/u8:0+events_unbound12:00:241
7218409910295,5cyclictest803777-21kworker/u8:1+flush-179:011:55:000
7218409910294,5cyclictest741180-21kworker/u8:1+events_unbound08:15:010
7218449910195,4cyclictest757826-21kworker/u8:2+flush-179:009:05:241
7218409910195,4cyclictest798999-21kworker/u8:0+flush-179:011:15:010
7218409910193,5cyclictest823407-21kworker/u8:1+flush-179:012:25:230
7218409910095,4cyclictest746222-21kworker/u8:0+flush-179:009:00:010
7218409910091,6cyclictest721787-21kworker/u8:3+events_unbound07:10:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional