You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-04-26 - 20:39

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 #0, 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 20 highest latencies:
System rack0slot1s.osadl.org (updated Fri Apr 26, 2024 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2271899127125,1cyclictest37-21ksoftirqd/311:10:413
2272499107105,2cyclictest1725250irq/36-eth1-rx-07:35:274
22707999897,1cyclictest0-21swapper/111:11:191
22731999797,0cyclictest1725250irq/36-eth1-rx-11:11:205
22718999393,0cyclictest1725250irq/36-eth1-rx-09:10:223
22714998484,0cyclictest29-21ksoftirqd/210:22:162
22731998180,1cyclictest0-21swapper/512:04:215
22707997979,0cyclictest21-21ksoftirqd/112:04:211
22724997776,1cyclictest0-21swapper/409:38:504
22736997675,1cyclictest0-21swapper/609:32:226
22714997474,0cyclictest29-21ksoftirqd/208:23:032
22743997069,1cyclictest0-21swapper/709:25:427
22743996564,0cyclictest1725250irq/36-eth1-rx-08:52:227
2248725938,17sleep70-21swapper/707:09:567
22700995856,1cyclictest0-21swapper/007:35:270
22731995251,1cyclictest0-21swapper/508:34:055
22707995150,1cyclictest21-21ksoftirqd/108:34:051
2238924829,15sleep30-21swapper/307:08:323
2220624312,17sleep20-21swapper/207:05:572
22731994038,2cyclictest0-21swapper/509:05:065
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional