You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-25 - 06:17

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 Sat Apr 25, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3250899984,12cyclictest19664-21awk22:05:301
32508999812,9cyclictest11145-21df_abs19:30:251
3250899964,66cyclictest22090-21cpu17:50:261
3250899964,13cyclictest0-21swapper/121:12:051
3250899963,20cyclictest24627-21df_abs19:50:241
3250899954,65cyclictest0-21swapper/120:05:241
3250899945,66cyclictest0-21swapper/122:15:031
3250899945,13cyclictest0-21swapper/120:22:321
3250899944,66cyclictest0-21swapper/119:05:231
32508999411,65cyclictest0-21swapper/119:45:241
3250499944,83cyclictest17700-21tune2fs21:15:240
3250499944,82cyclictest0-21swapper/019:30:300
3250899935,13cyclictest0-21swapper/122:30:571
3250899934,13cyclictest0-21swapper/119:13:251
3250899934,12cyclictest0-21swapper/121:35:211
3250899925,13cyclictest0-21swapper/120:25:421
3250899925,13cyclictest0-21swapper/119:24:271
71542910,3sleep1201ktimersoftd/121:00:201
71542910,3sleep1201ktimersoftd/121:00:201
3250899916,13cyclictest0-21swapper/121:21:031
3250899915,12cyclictest1630-21sed19:15:401
3250899914,67cyclictest0-21swapper/121:15:171
3250899914,13cyclictest0-21swapper/121:09:501
3250899914,12cyclictest19479-21entropy20:30:251
3250499914,80cyclictest0-21swapper/019:25:350
3250499913,81cyclictest0-21swapper/019:39:480
3250899904,14cyclictest0-21swapper/122:25:441
32508999018,56cyclictest2392-21chrt20:52:261
3250899895,13cyclictest0-21swapper/121:42:381
3250899895,13cyclictest0-21swapper/121:42:381
3250899894,66cyclictest0-21swapper/121:26:041
3250899894,13cyclictest0-21swapper/121:45:181
32508998919,49cyclictest0-21swapper/120:01:551
3250899884,63cyclictest22831-21ssh20:35:231
3250899884,13cyclictest0-21swapper/120:46:501
3250499883,78cyclictest0-21swapper/021:24:410
3250499883,78cyclictest0-21swapper/019:19:060
3250499883,76cyclictest15246-21crond20:25:080
32508998728,53cyclictest10738-21fschecks_time17:25:321
3250499874,76cyclictest0-21swapper/021:58:170
3250499872,78cyclictest0-21swapper/020:54:410
89612860,5chrt37-21ksoftirqd/321:50:243
3250899864,16cyclictest0-21swapper/121:50:351
3250899864,13cyclictest0-21swapper/119:59:331
3250899864,12cyclictest25160-21aten_r1power_fr22:15:151
32508998623,54cyclictest16201-21missed_timers22:00:281
32508998620,48cyclictest0-21swapper/119:26:461
3250499864,76cyclictest0-21swapper/022:05:310
3250499864,75cyclictest0-21swapper/019:12:310
3250499863,77cyclictest0-21swapper/021:02:350
3250499863,77cyclictest0-21swapper/021:02:350
3250499863,76cyclictest29193-21grep22:20:220
3250499863,76cyclictest29193-21grep22:20:220
3250499863,76cyclictest0-21swapper/019:06:000
3250899856,14cyclictest0-21swapper/120:40:261
3250899854,61cyclictest0-21swapper/118:40:491
3250899854,12cyclictest13460-21munin-node21:55:371
3250499854,74cyclictest0-21swapper/020:40:240
3250499854,73cyclictest0-21swapper/022:29:470
3250499853,75cyclictest20030-21unixbench_multi18:50:440
3250899844,60cyclictest0-21swapper/120:13:511
3250899844,57cyclictest0-21swapper/121:30:171
3250899844,13cyclictest0-21swapper/120:15:351
3250499849,68cyclictest0-21swapper/019:05:110
3250499844,74cyclictest0-21swapper/020:35:060
3250499844,71cyclictest0-21swapper/022:34:550
3250499844,57cyclictest4596-21ssh21:45:040
3250499844,57cyclictest4596-21ssh21:45:040
3250499843,74cyclictest0-21swapper/020:35:120
3250499843,73cyclictest0-21swapper/020:46:360
3250899834,62cyclictest0-21swapper/117:15:351
3250899834,55cyclictest0-21swapper/122:20:191
3250899834,55cyclictest0-21swapper/122:20:191
3250899834,12cyclictest0-21swapper/117:10:161
32508998328,48cyclictest29960-21tail18:05:321
3250499834,71cyclictest0-21swapper/021:32:450
3250499833,72cyclictest11443-21needreboot21:05:300
3250499833,34cyclictest0-21swapper/020:05:420
3250899825,11cyclictest4406-21hwlatdetect20:55:271
3250899824,13cyclictest0-21swapper/119:00:271
3250899824,13cyclictest0-21swapper/118:50:471
3250899824,13cyclictest0-21swapper/118:35:131
3250899823,55cyclictest0-21swapper/119:36:421
32508998223,52cyclictest12336-21needreboot18:35:361
32508998222,53cyclictest17254-21proc_pri18:45:391
32508998215,42cyclictest0-21swapper/117:20:271
3250499824,72cyclictest0-21swapper/018:45:270
3250499824,71cyclictest0-21swapper/022:12:030
3250499824,71cyclictest0-21swapper/019:55:250
3250499823,73cyclictest0-21swapper/020:56:530
3250499823,72cyclictest3149-21kworker/0:021:35:180
3250499823,72cyclictest24335-21sh19:50:210
3250899814,60cyclictest0-21swapper/119:40:191
3250899814,60cyclictest0-21swapper/119:40:191
3250899814,12cyclictest894-21taskset18:11:321
3250899814,12cyclictest894-21taskset18:11:321
3250499814,71cyclictest0-21swapper/019:41:020
3250499814,71cyclictest0-21swapper/019:41:020
3250499814,71cyclictest0-21swapper/017:40:450
3250499814,69cyclictest0-21swapper/020:00:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional