You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-10 - 22:32

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 #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 10, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
248599690,5rtkit-daemon34-21rcuc/304:50:540
520199654,54cyclictest0-21swapper/307:51:453
519999646,50cyclictest1419-21runrttasks09:00:482
519999646,50cyclictest1419-21runrttasks09:00:482
5194996435,13cyclictest0-21swapper/010:05:410
519999635,49cyclictest0-21swapper/209:25:512
519899634,42cyclictest0-21swapper/107:52:211
5198996325,23cyclictest31957-21switchtime06:51:071
519499629,47cyclictest58-21kswapd010:16:550
519999618,13cyclictest0-21swapper/209:50:502
519999615,48cyclictest0-21swapper/208:25:332
519999615,48cyclictest0-21swapper/208:25:332
519999615,13cyclictest0-21swapper/209:11:022
5198996143,11cyclictest7766-21needreboot06:01:041
5198996143,10cyclictest790-21gltestperf07:40:551
519999604,13cyclictest0-21swapper/208:36:172
5194996033,13cyclictest0-21swapper/008:06:040
271592602,18sleep30-21swapper/309:06:453
520199595,47cyclictest26765-21munin-node07:30:583
520199594,11cyclictest0-21swapper/308:11:113
5201995933,14cyclictest0-21swapper/310:11:523
519999593,11cyclictest5584-21tr10:10:552
519899594,36cyclictest0-21swapper/107:14:211
5194995932,13cyclictest0-21swapper/008:55:010
24172592,33sleep20-21swapper/207:42:592
101072593,49sleep20-21swapper/208:41:082
99092583,48sleep010022-21grep09:30:450
78932583,48sleep10-21swapper/104:55:541
520199584,10cyclictest1376-21munin-node08:30:433
520199583,50cyclictest0-21swapper/310:04:113
5194995829,12cyclictest0-21swapper/008:43:190
5194995821,24cyclictest9848-21http_loadtime06:06:000
255282584,12sleep20-21swapper/205:31:062
255282584,12sleep20-21swapper/205:31:062
115002584,47sleep30-21swapper/307:09:423
519999575,43cyclictest11121-21ssh07:55:542
519899575,43cyclictest0-21swapper/107:22:241
5198995717,21cyclictest0-21swapper/104:51:291
5198995714,21cyclictest4293-21tail05:55:531
519499574,26cyclictest0-21swapper/007:01:110
519499574,26cyclictest0-21swapper/007:01:110
519499574,25cyclictest0-21swapper/009:35:490
5194995731,12cyclictest0-21swapper/009:54:180
5194995731,12cyclictest0-21swapper/008:20:580
5194995731,12cyclictest0-21swapper/008:20:580
5194995731,12cyclictest0-21swapper/008:01:010
5194995729,13cyclictest0-21swapper/007:05:580
251052572,9sleep20-21swapper/209:05:442
520199563,9cyclictest24910-21munin-node09:51:013
519999567,13cyclictest20111-21grep09:45:432
519999564,12cyclictest0-21swapper/208:50:502
519999563,12cyclictest0-21swapper/207:45:562
519899563,24cyclictest697-21latency_hist10:05:301
5198995623,27cyclictest0-21swapper/105:16:051
5198995618,31cyclictest6681-21latency_hist07:50:361
519499564,37cyclictest0-21swapper/007:11:060
5194995634,10cyclictest0-21swapper/009:45:460
5194995634,10cyclictest0-21swapper/007:40:480
5194995630,12cyclictest0-21swapper/009:15:370
5194995629,13cyclictest0-21swapper/009:04:220
5194995629,13cyclictest0-21swapper/009:04:220
5194995629,12cyclictest0-21swapper/008:17:290
39402563,47sleep10-21swapper/106:57:431
39402563,47sleep10-21swapper/106:57:431
210052563,11sleep00-21swapper/007:22:090
156372563,10sleep30-21swapper/309:38:383
5201995514,14cyclictest0-21swapper/309:13:003
5201995510,38cyclictest0-21swapper/306:50:373
519999557,9cyclictest26-21rcuc/207:30:362
519999554,12cyclictest0-21swapper/207:00:342
519999554,12cyclictest0-21swapper/207:00:342
519999554,11cyclictest0-21swapper/209:36:242
519899558,42cyclictest0-21swapper/109:15:561
519899558,13cyclictest0-21swapper/109:02:041
519899558,13cyclictest0-21swapper/109:02:041
519899555,31cyclictest0-21swapper/107:30:351
519899555,14cyclictest0-21swapper/109:55:461
519899555,12cyclictest9379-21fschecks_time07:05:551
519899554,35cyclictest0-21swapper/109:31:141
519899554,13cyclictest0-21swapper/109:22:051
5198995513,23cyclictest0-21swapper/108:50:461
5198995511,25cyclictest0-21swapper/108:10:301
5194995536,7cyclictest11641-21kworker/0:209:07:370
519499553,39cyclictest0-21swapper/008:48:010
5194995529,12cyclictest0-21swapper/009:22:500
5194995529,12cyclictest0-21swapper/008:57:200
249662553,45sleep30-21swapper/308:16:023
245022553,45sleep10-21swapper/105:30:451
245022553,45sleep10-21swapper/105:30:451
107162554,12sleep10-21swapper/105:00:581
520199543,43cyclictest2820-21ssh06:56:013
520199543,43cyclictest2820-21ssh06:56:013
520199543,43cyclictest1287-21snmpd07:50:193
519999544,43cyclictest0-21swapper/210:15:452
519999543,12cyclictest0-21swapper/206:53:542
519999543,11cyclictest0-21swapper/208:11:072
519899544,31cyclictest0-21swapper/109:13:541
519899543,37cyclictest0-21swapper/109:06:111
519499545,34cyclictest0-21swapper/010:12:250
519499544,24cyclictest22228-21munin-node07:25:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional