You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-09-14 - 16:43

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 #4, slot #1

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.

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 rack4slot1s.osadl.org (updated Sat Sep 14, 2024 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2545521390,2sleep30-21swapper/307:40:113
2545521390,2sleep30-21swapper/307:40:113
2545521390,2sleep30-21swapper/307:40:113
15737998259,10cyclictest36350irq/47-eth009:10:070
15737998259,10cyclictest36350irq/47-eth009:10:070
106412800,3chrt0-21swapper/312:44:573
270932780,2chrt27089-21latency_hist07:45:070
76972730,3chrt0-21swapper/208:20:022
76972730,3chrt0-21swapper/208:20:022
21212720,3sleep30-21swapper/308:05:043
21212720,3sleep30-21swapper/308:05:043
156512710,2sleep20-21swapper/208:40:122
156512710,2sleep20-21swapper/208:40:122
179002670,4chrt17901-21fschecks_time07:20:121
179002670,4chrt17901-21fschecks_time07:20:121
15738996655,8cyclictest0-21swapper/109:00:101
15738996655,8cyclictest0-21swapper/109:00:101
320422650,3sleep10-21swapper/107:55:211
320422650,3sleep10-21swapper/107:55:211
205672630,3chrt0-21swapper/211:45:072
104702630,3sleep13628-21kworker/u10:3+flush-179:008:25:201
104702630,3sleep13628-21kworker/u10:3+flush-179:008:25:201
71332620,2chrt7129-21grep08:15:231
71332620,2chrt7129-21grep08:15:231
120012610,3chrt0-21swapper/209:55:172
120012610,3chrt0-21swapper/209:55:172
239992580,3chrt0-21swapper/209:00:222
239992580,3chrt0-21swapper/209:00:222
1573799572,35cyclictest15117-21taskset10:05:100
1573799572,35cyclictest15117-21taskset10:05:100
1573799572,35cyclictest15117-21taskset10:05:100
37192550,3sleep30-21swapper/309:35:043
37192550,3sleep30-21swapper/309:35:043
44302530,3sleep20-21swapper/209:35:152
44302530,3sleep20-21swapper/209:35:152
153112510,2sleep115497-21cat10:05:141
153112510,2sleep115497-21cat10:05:141
153112510,2sleep115497-21cat10:05:141
74362490,4sleep30-21swapper/312:35:123
74362490,4sleep30-21swapper/312:35:123
1573899482,41cyclictest799-21runrttasks08:55:091
1573899482,41cyclictest799-21runrttasks08:55:091
15737994826,20cyclictest15736-21cyclictest07:50:220
15737994826,20cyclictest15736-21cyclictest07:50:220
15737994727,9cyclictest36350irq/47-eth012:20:070
15738994624,17cyclictest281ktimers/107:45:101
15738994624,17cyclictest281ktimers/107:45:101
1573799461,43cyclictest0-21swapper/008:45:080
15738994519,18cyclictest281ktimers/109:55:111
15738994519,18cyclictest281ktimers/109:55:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional