You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-16 - 02:32

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 #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 100 highest latencies:
System rack0slot6s.osadl.org (updated Sat May 16, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12661822280273,4sleep180-21swapper/1819:07:5610
12663022252212,12sleep00-21swapper/019:08:580
12660322242221,12sleep70-21swapper/719:06:0417
12660892241220,13sleep90-21swapper/919:06:4719
12661902237230,4sleep40-21swapper/419:08:0314
12662372231211,12sleep50-21swapper/519:08:2415
12662262231212,12sleep190-21swapper/1919:08:1711
12660172230221,5sleep160-21swapper/1619:05:538
12663632229223,4sleep100-21swapper/1019:09:282
12660592229210,12sleep110-21swapper/1119:06:293
12662862228209,12sleep130-21swapper/1319:08:525
12663262227206,12sleep150-21swapper/1519:09:137
12660702227210,10sleep10-21swapper/119:06:391
12663112225216,6sleep60-21swapper/619:09:0416
12660492224209,9sleep30-21swapper/319:06:2213
12661232221213,5sleep140-21swapper/1419:07:136
12662032217196,13sleep170-21swapper/1719:08:159
12660712217197,12sleep20-21swapper/219:06:4012
12663962216197,12sleep80-21swapper/819:09:4618
12630592199179,12sleep120-21swapper/1219:05:104
126682799400,0cyclictest0-21swapper/820:02:5918
126682799400,0cyclictest0-21swapper/820:02:5818
126685999360,35cyclictest0-21swapper/1821:34:5810
126683299360,1cyclictest1700472-21CPU19
126685399350,1cyclictest1700472-21CPU8
126682499350,0cyclictest0-21swapper/720:02:5917
126682499350,0cyclictest0-21swapper/720:02:5817
1266822993533,1cyclictest80-21ksoftirqd/620:30:5816
1266822993533,1cyclictest1700472-21CPU16
1266822993533,1cyclictest1700472-21CPU16
1266804993533,1cyclictest1700471-21CPU12
1266859993434,0cyclictest0-21swapper/1820:10:5910
1266859993434,0cyclictest0-21swapper/1820:10:5910
1266849993432,1cyclictest1700471-21CPU7
1266827993434,0cyclictest0-21swapper/820:10:5918
1266827993434,0cyclictest0-21swapper/820:10:5918
126680899340,1cyclictest1700472-21CPU13
1266859993333,0cyclictest0-21swapper/1821:04:5910
1266840993331,1cyclictest1700471-21CPU4
1266834993331,1cyclictest1700472-21CPU2
1266832993333,0cyclictest0-21swapper/919:22:5919
1266832993331,1cyclictest1700472-21CPU19
1266827993333,0cyclictest0-21swapper/821:04:5818
126682299330,33cyclictest0-21swapper/620:51:5916
126680199330,32cyclictest0-21swapper/119:58:591
1266849993232,0cyclictest0-21swapper/1521:15:587
1266849993232,0cyclictest0-21swapper/1521:07:597
126683499320,32cyclictest0-21swapper/1020:15:582
126683499320,1cyclictest1700471-21CPU2
126681799320,32cyclictest0-21swapper/520:47:5815
126680499320,0cyclictest0-21swapper/219:59:5812
126679899320,31cyclictest0-21swapper/021:03:580
1266849993130,0cyclictest0-21swapper/1519:28:597
1266847993131,0cyclictest0-21swapper/1419:26:006
1266847993129,1cyclictest1700472-21CPU6
126683499310,0cyclictest0-21swapper/1019:42:592
1266824993131,0cyclictest0-21swapper/721:04:5817
1266824993131,0cyclictest0-21swapper/720:10:5917
1266824993131,0cyclictest0-21swapper/720:10:5817
1266804993131,0cyclictest0-21swapper/220:36:5812
1266801993131,0cyclictest0-21swapper/120:17:581
1266801993130,0cyclictest0-21swapper/121:10:581
1266801993129,1cyclictest1700472-21CPU1
1266798993131,0cyclictest0-21swapper/019:37:590
1266857993030,0cyclictest0-21swapper/1720:49:599
1266849993030,0cyclictest0-21swapper/1520:47:587
1266849993030,0cyclictest0-21swapper/1519:59:587
1266847993030,0cyclictest0-21swapper/1423:01:596
1266847993030,0cyclictest0-21swapper/1423:01:586
1266847993030,0cyclictest0-21swapper/1420:20:596
1266844993030,0cyclictest0-21swapper/1320:42:585
1266840993029,1cyclictest0-21swapper/1221:01:594
1266840993025,5cyclictest0-21swapper/1219:24:594
1266834993030,0cyclictest0-21swapper/1020:24:582
1266834993030,0cyclictest0-21swapper/1020:06:592
1266834993030,0cyclictest0-21swapper/1020:06:582
1266808993029,1cyclictest0-21swapper/320:42:5813
1266804993030,0cyclictest0-21swapper/219:44:5912
1266798993030,0cyclictest0-21swapper/020:30:580
1266798993030,0cyclictest0-21swapper/019:25:590
1266798993030,0cyclictest0-21swapper/019:21:590
1266798993029,0cyclictest0-21swapper/020:01:580
1266798993029,0cyclictest0-21swapper/020:01:580
1266847992929,0cyclictest0-21swapper/1420:09:586
1266847992929,0cyclictest0-21swapper/1420:09:586
1266840992925,4cyclictest0-21swapper/1220:16:584
1266834992929,0cyclictest0-21swapper/1021:11:582
1266834992929,0cyclictest0-21swapper/1020:42:592
1266834992929,0cyclictest0-21swapper/1020:38:582
1266834992929,0cyclictest0-21swapper/1020:25:582
1266834992929,0cyclictest0-21swapper/1019:20:592
1266832992929,0cyclictest0-21swapper/919:53:5919
1266832992927,1cyclictest1700471-21CPU19
1266822992928,1cyclictest781rcuc/619:21:0016
1266817992929,0cyclictest0-21swapper/521:15:5815
1266817992929,0cyclictest0-21swapper/521:07:5915
1266814992929,0cyclictest0-21swapper/419:10:4214
1266804992929,0cyclictest0-21swapper/219:34:0012
1266798992929,0cyclictest0-21swapper/020:22:580
1266798992929,0cyclictest0-21swapper/019:49:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional