You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-03 - 06:10

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 Sun May 03, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
52521420,15sleep1712399cyclictest18:57:591
711999964,12cyclictest0-21swapper/019:34:440
711999964,12cyclictest0-21swapper/019:07:400
711999953,11cyclictest7098-21unixbench_multi19:53:110
7119999516,56cyclictest0-21swapper/020:42:570
7119999516,56cyclictest0-21swapper/020:42:570
711999933,10cyclictest28191-21tr21:12:580
7119999320,48cyclictest0-21swapper/021:43:070
711999924,10cyclictest0-21swapper/020:02:460
711999924,10cyclictest0-21swapper/020:02:460
711999923,63cyclictest0-21swapper/019:48:080
711999914,13cyclictest0-21swapper/022:07:560
711999914,12cyclictest32381-21smartctl19:43:090
711999914,12cyclictest0-21swapper/022:12:480
711999904,70cyclictest0-21swapper/021:29:310
711999904,62cyclictest0-21swapper/020:23:050
711999904,13cyclictest0-21swapper/021:57:570
711999904,10cyclictest18230-21tail19:23:000
711999904,10cyclictest18230-21tail19:23:000
711999903,67cyclictest3929-21ssh20:37:520
711999903,64cyclictest0-21swapper/020:58:020
711999903,12cyclictest0-21swapper/020:09:570
711999903,12cyclictest0-21swapper/020:09:570
711999898,64cyclictest24663-21cut21:07:580
711999894,12cyclictest0-21swapper/022:06:190
711999894,12cyclictest0-21swapper/022:06:190
711999894,12cyclictest0-21swapper/021:19:510
711999894,12cyclictest0-21swapper/020:18:130
711999893,12cyclictest0-21swapper/021:56:340
711999884,66cyclictest0-21swapper/019:37:580
711999884,14cyclictest0-21swapper/020:01:050
711999884,12cyclictest0-21swapper/021:37:400
711999884,12cyclictest0-21swapper/018:59:040
711999884,11cyclictest0-21swapper/018:43:040
711999883,67cyclictest7984-21rm22:18:060
711999883,13cyclictest0-21swapper/019:21:230
711999883,11cyclictest0-21swapper/019:14:180
711999883,10cyclictest1419-21runrttasks19:10:050
711999875,11cyclictest0-21swapper/021:36:210
711999874,9cyclictest3172-21unixbench_multi21:23:080
711999874,68cyclictest0-21swapper/020:12:540
711999874,13cyclictest0-21swapper/021:05:490
711999874,13cyclictest0-21swapper/017:28:000
711999874,12cyclictest0-21swapper/022:24:060
711999874,12cyclictest0-21swapper/020:48:290
711999874,12cyclictest0-21swapper/020:48:290
711999874,12cyclictest0-21swapper/020:32:560
711999874,12cyclictest0-21swapper/020:27:520
711999864,66cyclictest0-21swapper/017:07:560
711999864,12cyclictest0-21swapper/019:27:550
711999864,12cyclictest0-21swapper/017:58:110
711999864,12cyclictest0-21swapper/017:52:540
711999863,9cyclictest1287-21snmpd20:56:540
711999863,61cyclictest0-21swapper/018:32:530
711999854,12cyclictest0-21swapper/021:47:560
711999844,61cyclictest0-21swapper/018:08:020
711999844,12cyclictest0-21swapper/017:33:070
136572830,4sleep00-21swapper/018:18:000
711999825,67cyclictest0-21swapper/017:43:150
711999824,59cyclictest0-21swapper/018:53:310
711999824,12cyclictest0-21swapper/017:12:550
711999824,11cyclictest0-21swapper/018:23:040
7119998216,51cyclictest0-21swapper/018:12:510
711999814,12cyclictest0-21swapper/018:32:410
711999814,12cyclictest0-21swapper/017:23:000
248599810,7rtkit-daemon0-21swapper/017:01:271
711999804,54cyclictest0-21swapper/018:47:530
711999804,12cyclictest0-21swapper/018:37:560
711999793,61cyclictest0-21swapper/017:17:470
711999793,61cyclictest0-21swapper/017:17:470
711999784,14cyclictest0-21swapper/016:57:440
711999783,11cyclictest0-21swapper/017:38:150
711999777,8cyclictest121850irq/46-eth018:02:530
711999777,8cyclictest121850irq/46-eth018:02:530
711999774,13cyclictest0-21swapper/017:03:180
711999774,12cyclictest0-21swapper/017:47:540
248599750,5rtkit-daemon1419-21runrttasks16:59:340
712499715,58cyclictest0-21swapper/220:12:522
7123997142,10cyclictest30021-21ssh21:17:311
712499704,59cyclictest0-21swapper/221:33:082
712499695,57cyclictest14950-21aten2.4-expect21:42:452
7123996939,13cyclictest0-21swapper/120:12:521
7123996838,14cyclictest0-21swapper/120:20:021
7125996735,10cyclictest10448-21telnet19:12:513
712499674,56cyclictest2656-21latency_hist22:12:332
712499674,55cyclictest0-21swapper/220:43:172
712499674,55cyclictest0-21swapper/220:43:172
7123996737,13cyclictest0-21swapper/122:10:461
7123996736,12cyclictest0-21swapper/119:32:361
7123996736,12cyclictest0-21swapper/119:07:551
7123996735,13cyclictest0-21swapper/122:24:101
7123996733,13cyclictest1703-21users20:33:101
712599662,58cyclictest0-21swapper/322:09:373
712499666,53cyclictest0-21swapper/219:57:532
712499665,54cyclictest24951-21gltestperf19:32:582
7123996637,13cyclictest0-21swapper/121:32:591
7123996636,12cyclictest0-21swapper/119:45:091
712599652,57cyclictest0-21swapper/321:12:493
712499654,54cyclictest25889-21cpuspeed_turbos20:22:502
7123996538,10cyclictest0-21swapper/121:58:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional