You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-29 - 23:15

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 shadow in rack #9, slot #3

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
  Kontron
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 rack9slot3s.osadl.org (updated Mon Dec 29, 2025 13:24:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2013:36:377132
21,13:36:187131
11,13:36:187130
13,13:36:187129
013:36:187125
0,13:36:187124
0,13:36:187123
0,13:36:187122
0,13:36:187121
0,13:36:187120
0,13:36:187119
0,13:36:187118
0,13:36:187117
0,13:36:187116
0,13:36:187115
0,13:36:187114
0,13:36:187113
0,13:36:187112
0,13:36:187111
0,13:36:187110
0,13:36:187109
0,13:36:187108
0,13:36:187107
0,13:36:187106
0,13:36:187105
0,13:36:187104
0,13:36:187103
0,13:36:187102
0,13:36:187101
0,13:36:187100
0,13:36:187099
0,13:36:187098
0,13:36:187097
0,13:36:187096
0,13:36:187095
0,13:36:187094
0,13:36:187093
0,13:36:187092
0,13:36:187091
0,13:36:187090
0,13:36:187089
0,13:36:187088
0,13:36:187087
0,13:36:187086
0,13:36:187085
0,13:36:187084
0,13:36:187083
0,13:36:187082
0,13:36:187081
0,13:36:187080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional