You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-15 - 02:22

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 #1, 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
  Intel
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot6s.osadl.org (updated Mon Dec 15, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
677599954,27cyclictest0-21swapper/023:03:230
677599924,80cyclictest0-21swapper/022:58:250
677599914,26cyclictest0-21swapper/020:08:360
677599894,28cyclictest0-21swapper/020:38:320
6775998914,8cyclictest0-21swapper/022:33:390
677599884,27cyclictest0-21swapper/019:13:290
677599884,27cyclictest0-21swapper/019:13:290
677599883,26cyclictest25490-21runrttasks21:59:270
677599874,75cyclictest0-21swapper/021:34:070
677599874,25cyclictest0-21swapper/019:59:440
677599874,25cyclictest0-21swapper/019:59:440
6775998729,50cyclictest2697-21tune2fs23:28:230
6775998726,55cyclictest28752-21cpuspeed_turbos22:08:240
6775998726,55cyclictest28752-21cpuspeed_turbos22:08:240
220322870,5sleep20-21swapper/221:53:282
677599865,74cyclictest0-21swapper/019:53:310
677599865,19cyclictest0-21swapper/020:47:580
677599865,19cyclictest0-21swapper/020:47:580
677599864,74cyclictest0-21swapper/000:23:310
677599863,27cyclictest0-21swapper/021:53:260
677599854,74cyclictest0-21swapper/000:08:160
677599854,73cyclictest0-21swapper/020:58:370
6775998524,54cyclictest0-21swapper/022:53:200
6775998524,54cyclictest0-21swapper/022:53:200
677599845,19cyclictest0-21swapper/021:13:230
677599844,12cyclictest0-21swapper/000:33:180
677599843,22cyclictest0-21swapper/021:03:230
6775998419,12cyclictest0-21swapper/021:28:200
677599834,12cyclictest0-21swapper/023:24:470
6775998331,43cyclictest5229-21grep21:18:280
677599833,23cyclictest0-21swapper/023:56:510
677599824,71cyclictest0-21swapper/023:13:380
677599824,29cyclictest16128-21grep20:33:360
6775998231,43cyclictest7695-21grep19:08:290
677599823,26cyclictest0-21swapper/020:18:460
677599817,12cyclictest0-21swapper/022:23:260
677599815,23cyclictest0-21swapper/019:23:490
677599814,69cyclictest0-21swapper/019:33:410
677599814,27cyclictest0-21swapper/020:48:330
677599813,26cyclictest0-21swapper/022:03:330
677599813,25cyclictest0-21swapper/021:48:110
6775998124,10cyclictest16024-21grep22:48:270
6775998121,9cyclictest7409-21unixbench-2d20:13:450
677599804,13cyclictest0-21swapper/019:50:080
677599803,25cyclictest17172-21tune2fs19:28:310
6775998027,46cyclictest13277-21cpuspeed_turbos20:28:250
6775998025,8cyclictest7826-21hwlatdetect21:23:310
6775998025,8cyclictest7826-21hwlatdetect21:23:310
6775998024,10cyclictest1419-21runrttasks19:43:360
677599794,68cyclictest0-21swapper/020:08:020
677599794,13cyclictest0-21swapper/021:08:250
677599793,23cyclictest0-21swapper/000:13:360
6775997923,48cyclictest0-21swapper/019:18:460
6775997921,9cyclictest6571-21crond23:38:070
6775997919,12cyclictest0-21swapper/020:56:060
6775997919,10cyclictest5689-21head22:28:190
6775997919,10cyclictest17294-21hwlatdetect23:58:240
677599784,67cyclictest0-21swapper/021:48:360
677599784,12cyclictest0-21swapper/023:43:240
6775997811,12cyclictest0-21swapper/022:18:330
677599774,14cyclictest0-21swapper/022:38:230
677599773,26cyclictest8965-21crond23:43:070
677599764,34cyclictest0-21swapper/023:18:160
677599764,31cyclictest0-21swapper/020:23:450
677599764,14cyclictest0-21swapper/019:38:300
6775997623,12cyclictest0-21swapper/021:38:410
677599754,26cyclictest0-21swapper/000:18:240
677599754,26cyclictest0-21swapper/000:18:240
677599754,14cyclictest0-21swapper/023:08:210
677599754,12cyclictest0-21swapper/023:48:270
677599753,19cyclictest30699-21munin-node00:28:190
677599723,7cyclictest7250irq/45-ahci00:06:420
677599723,12cyclictest0-21swapper/022:13:210
677599714,13cyclictest0-21swapper/022:46:390
678099693,19cyclictest6864-21latency_hist19:08:181
6780996752,10cyclictest0-21swapper/100:03:211
678199658,50cyclictest1676-21nscd21:08:132
678299644,29cyclictest0-21swapper/321:43:423
6780996445,11cyclictest26086-21aten2.4-expect22:03:331
678099644,13cyclictest5064-21fschecks_count23:33:221
678299625,31cyclictest0-21swapper/322:38:093
678299624,12cyclictest0-21swapper/320:01:493
678299624,12cyclictest0-21swapper/320:01:493
120822623,51sleep20-21swapper/219:18:322
6782996123,13cyclictest0-21swapper/319:28:453
169382614,12sleep30-21swapper/323:58:203
678299604,48cyclictest0-21swapper/320:58:283
6780996011,37cyclictest0-21swapper/120:38:151
678299595,39cyclictest0-21swapper/319:48:053
6782995942,11cyclictest19374-21fschecks_count00:03:223
678299594,37cyclictest0-21swapper/322:26:413
6782995938,11cyclictest32409-21tail00:28:363
248599590,4rtkit-daemon2484-21rtkit-daemon21:38:583
6782995839,10cyclictest24297-21uniq00:13:223
6782995820,15cyclictest0-21swapper/319:08:303
89112573,11sleep20-21swapper/220:18:332
678299574,29cyclictest0-21swapper/321:34:043
6782995723,13cyclictest0-21swapper/319:53:473
678099575,41cyclictest0-21swapper/119:43:311
6780995737,13cyclictest0-21swapper/123:18:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional