You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-16 - 11:32

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 #5, slot #4

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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack5slot4s.osadl.org (updated Sat May 16, 2026 00:44:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2636323470,2sleep375-21kworker/3:1+events21:30:553
416045121870,5sleep30-21swapper/320:30:523
413954421840,2sleep3481ktimers/320:06:073
41232762800,2chrt75-21kworker/3:1-events19:50:593
4078617997148,8cyclictest194593-21base6400:20:010
4078622996965,3cyclictest44756-21kworker/u8:2+flush-8:022:21:091
4078622996960,7cyclictest4073570-21kworker/u8:3+flush-8:020:21:061
4078622996556,7cyclictest44756-21kworker/u8:2+flush-8:022:01:051
448152640,6chrt0-21swapper/221:46:072
4078628996455,6cyclictest280-21systemd-journal22:00:012
4078622996457,5cyclictest90084-21kworker/u8:0+events_unbound00:06:021
4078628996358,3cyclictest3250028-21kworker/u8:1+flush-8:020:11:102
4078617996255,4cyclictest174086-21kworker/u8:3+flush-8:000:16:080
4078622996054,4cyclictest4035891-21kworker/u8:0+flush-8:019:16:081
4078622996053,5cyclictest3250028-21kworker/u8:1+flush-8:020:01:061
4078622995748,7cyclictest44699-21ntpq21:46:021
4078622995650,4cyclictest90084-21kworker/u8:0+flush-8:000:11:081
4078622995650,4cyclictest44756-21kworker/u8:2+flush-8:021:51:061
4078622995649,5cyclictest4090800-21kworker/u8:2+flush-8:019:40:011
4078622995643,9cyclictest194130-21apt-get00:19:591
4078622995546,7cyclictest188389-21kworker/u8:1+flush-8:000:21:051
4078617995542,10cyclictest280-21systemd-journal00:05:010
4078628995347,4cyclictest19560-21kworker/u8:4+flush-8:021:21:082
4078622995348,4cyclictest4090800-21kworker/u8:2+flush-8:020:51:031
4078622995348,4cyclictest4090800-21kworker/u8:2+flush-8:020:51:031
4078622995348,3cyclictest72897-21kworker/u8:1+flush-8:022:20:011
4078622995339,10cyclictest280-21systemd-journal19:58:351
4078628995247,3cyclictest203934-21kworker/u8:2+events_unbound00:31:022
4078622995241,7cyclictest280-21systemd-journal23:50:341
4078628995146,3cyclictest72897-21kworker/u8:1+flush-8:022:16:042
4078622995141,8cyclictest4159139-21ntpq20:26:021
40828532500,5chrt0-21swapper/219:11:092
4078617994943,4cyclictest4090884-21apt-get19:20:500
4078622994842,4cyclictest4090800-21kworker/u8:2+flush-8:019:46:011
4078622994842,4cyclictest10803-21apt-get21:15:491
4078622994841,5cyclictest188389-21kworker/u8:1+events_unbound00:26:061
4078622994838,7cyclictest4095551-21latency_hist19:25:011
4078628994739,6cyclictest4090774-21cp19:20:012
4078622994740,5cyclictest29699-21ntpq21:31:021
4078622994737,8cyclictest4664-21ntpq21:06:031
4078622994736,7cyclictest280-21systemd-journal22:57:351
4078622994733,10cyclictest280-21systemd-journal23:46:351
4078617994737,8cyclictest208331-21ntpq00:31:020
4078622994638,4cyclictest4073570-21kworker/u8:3+flush-8:020:40:501
4078622994635,9cyclictest153702-21ntpq23:36:031
4078628994540,4cyclictest19559-21kworker/u8:0+flush-8:022:05:562
4078628994538,5cyclictest280-21systemd-journal20:41:182
4078622994540,4cyclictest90084-21kworker/u8:0+flush-8:023:11:051
4078622994539,4cyclictest4090800-21kworker/u8:2+flush-8:019:30:541
4078622994537,6cyclictest280-21systemd-journal00:37:571
4078622994535,7cyclictest134561-21latency_hist23:20:021
4078617994537,5cyclictest4078453-21latency_hist19:10:000
4078628994439,4cyclictest157444-21kworker/u8:2+events_unbound23:41:072
4078628994436,6cyclictest25460-21store21:30:012
4078622994438,4cyclictest3250028-21kworker/u8:1+flush-8:019:40:521
4078622994438,3cyclictest90084-21kworker/u8:0+events_unbound23:56:071
4078622994436,6cyclictest30853-21apt-get21:35:481
4078622994429,10cyclictest280-21systemd-journal23:20:351
4078617994437,5cyclictest4090800-21kworker/u8:2+flush-8:019:56:060
4078617994435,6cyclictest280-21systemd-journal21:45:010
4078617994434,8cyclictest56075-21diskstats22:00:520
4078628994336,5cyclictest4095558-21apt-get19:25:012
4078622994336,5cyclictest4073570-21kworker/u8:3+flush-8:022:41:061
41528032420,1sleep2371rcuc/220:20:592
4078628994237,4cyclictest3250028-21kworker/u8:1+flush-8:020:06:082
4078622994236,4cyclictest4160339-21apt-get20:30:481
4078622994235,5cyclictest72897-21kworker/u8:1+flush-8:022:31:021
4078622994232,7cyclictest4073570-21kworker/u8:3+flush-8:021:26:031
4078622994135,4cyclictest72897-21kworker/u8:1+events_unbound22:36:011
4078622994134,5cyclictest44756-21kworker/u8:2+flush-8:022:26:091
4078622994134,5cyclictest4073570-21kworker/u8:3+events_unbound19:11:021
4078617994132,7cyclictest4083482-21latency_hist19:15:010
4078622994036,3cyclictest90084-21kworker/u8:0+flush-8:022:51:111
4078617994035,4cyclictest90084-21kworker/u8:0+flush-8:022:56:060
4078617994033,5cyclictest188389-21kworker/u8:1+flush-8:000:26:020
4078622993932,5cyclictest44756-21kworker/u8:2+flush-8:022:11:041
4078622993930,6cyclictest4090800-21kworker/u8:2+flush-8:020:36:051
4078617993931,5cyclictest4173967-21ntpq20:41:020
4078617993928,9cyclictest51119-21diskstats21:55:530
40737872394,10sleep10-21swapper/119:05:111
4078628993833,4cyclictest3250028-21kworker/u8:1+events_unbound19:41:042
4078622993834,3cyclictest4073570-21kworker/u8:3+events_unbound20:05:531
4078622993833,3cyclictest154927-21apt-get23:40:471
4078622993830,6cyclictest4073570-21kworker/u8:3+flush-8:019:51:021
4078622993828,7cyclictest5841-21/usr/sbin/munin21:11:001
4078617993826,9cyclictest89218-21ntpq22:31:040
4078617993810,23cyclictest10530-21kworker/0:0+events23:05:010
2134402380,5sleep20-21swapper/200:36:052
4078622993733,3cyclictest90084-21kworker/u8:0+events_unbound23:31:071
4078622993728,6cyclictest4099835-21ntpq19:26:031
4078617993731,5cyclictest90084-21kworker/u8:0+flush-8:000:11:050
4078617993730,5cyclictest139539-21apt-get23:25:020
4078617993729,6cyclictest280-21systemd-journal21:41:270
4078617993728,7cyclictest4164036-21ntpq20:31:020
4078622993629,4cyclictest4073570-21kworker/u8:3+events_unbound21:56:031
4078622993627,7cyclictest104056-21ntpq22:46:041
4078617993627,7cyclictest90084-21kworker/u8:0+flush-8:023:45:590
4078622993528,5cyclictest280-21systemd-journal23:03:351
4078622993525,8cyclictest204610-21apt-get00:30:491
407861799353,26cyclictest4125452-21kworker/0:2+events20:15:490
4078617993530,4cyclictest44756-21kworker/u8:2+flush-8:022:21:080
4078617993529,4cyclictest280-21systemd-journal19:40:010
4078628993429,3cyclictest157444-21kworker/u8:2+flush-8:000:05:112
4078622993428,4cyclictest4090800-21kworker/u8:2+events_unbound21:21:031
4078622993427,5cyclictest140052-21/usr/sbin/munin23:26:001
4078617993429,4cyclictest19559-21kworker/u8:0+events_unbound21:30:010
4078617993423,9cyclictest280-21systemd-journal19:32:520
407861799342,27cyclictest4125452-21kworker/0:2+events20:50:490
407861799342,27cyclictest4125452-21kworker/0:2+events20:50:490
4078617993421,11cyclictest4090800-21kworker/u8:2+flush-8:021:11:070
407861799341,27cyclictest4125452-21kworker/0:2+events21:00:530
4078617993412,20cyclictest10530-21kworker/0:0+events22:50:540
4078622993326,5cyclictest4184718-21kworker/u8:1+flush-8:021:01:051
4078622993325,6cyclictest4073570-21kworker/u8:3+flush-8:020:16:011
4078622993325,5cyclictest4073570-21kworker/u8:3+flush-8:022:05:521
407861799339,22cyclictest10530-21kworker/0:0+events22:36:110
4078617993327,4cyclictest4073570-21kworker/u8:3+flush-8:020:26:060
407861799332,26cyclictest10530-21kworker/0:0+events23:40:480
407861799330,31cyclictest4090372-21kworker/0:0+events19:44:200
407861799330,27cyclictest10530-21kworker/0:0+events22:05:070
4078628993225,5cyclictest139960-21base6423:25:022
4078622993227,3cyclictest25852-21kworker/u8:1+events_unbound21:40:521
407861799323,27cyclictest10530-21kworker/0:0+events23:06:040
4078617993226,4cyclictest4090315-21apt-get19:20:010
407861799322,25cyclictest4125452-21kworker/0:2+events20:40:010
4078622993125,4cyclictest4090800-21kworker/u8:2+flush-8:020:56:051
4078622993124,5cyclictest157444-21kworker/u8:2+flush-8:000:01:081
4078617993126,3cyclictest80634-21aten2_r5power_v22:25:510
4078617993124,5cyclictest4134422-21ntpq20:01:030
4078617993124,4cyclictest4090800-21kworker/u8:2+events_unbound20:55:530
407861799312,27cyclictest10530-21kworker/0:0+events21:40:010
407861799312,27cyclictest10530-21kworker/0:0+events00:35:510
407861799311,28cyclictest10530-21kworker/0:0+events21:20:010
4078622993024,4cyclictest4073570-21kworker/u8:3+flush-8:020:11:131
407861799303,26cyclictest10530-21kworker/0:0+events21:51:050
4078617993025,4cyclictest72897-21kworker/u8:1+events_unbound23:35:530
4078617993025,4cyclictest4073570-21kworker/u8:3+flush-8:020:21:070
407861799302,26cyclictest4125452-21kworker/0:2+events21:05:550
407861799302,26cyclictest10530-21kworker/0:0+events23:21:090
407861799302,26cyclictest10530-21kworker/0:0+events22:41:030
407861799302,26cyclictest10530-21kworker/0:0+events21:30:590
407861799301,27cyclictest4090372-21kworker/0:0+events19:25:510
407861799301,27cyclictest10530-21kworker/0:0+events22:11:050
839632290,4sleep3481ktimers/322:25:593
4078628992926,2cyclictest4159619-21unixbench_multi20:26:092
4078628992925,2cyclictest50148-21unixbench_multi21:51:072
4078628992923,4cyclictest114383-21unixbench_multi22:56:072
407861799299,17cyclictest10530-21kworker/0:0+events23:15:010
407861799292,25cyclictest10530-21kworker/0:0+events23:11:010
4078617992919,8cyclictest90084-21kworker/u8:0+flush-8:000:05:590
4078617992912,16cyclictest4125452-21kworker/0:2+events20:05:550
4078617992911,16cyclictest4090372-21kworker/0:0+events19:51:050
4078628992824,3cyclictest4073570-21kworker/u8:3+flush-8:020:05:002
4078628992823,3cyclictest65956-21fschecks_count22:10:532
4078622992822,4cyclictest72897-21kworker/u8:1+flush-8:023:05:581
407861799288,15cyclictest10530-21kworker/0:0+events22:45:490
407861799280,26cyclictest149655-21kworker/0:2+events23:55:010
4078628992723,2cyclictest174921-21cpuspeed_turbos00:00:522
4078617992716,9cyclictest4073570-21kworker/u8:3+flush-8:021:21:050
4078617992710,16cyclictest4125452-21kworker/0:2+events20:11:030
4078617992710,15cyclictest10530-21kworker/0:0+events23:55:520
407861799270,26cyclictest10530-21kworker/0:0+events22:16:220
4078628992622,3cyclictest44756-21kworker/u8:2+events_unbound22:05:012
4078628992621,3cyclictest4106170-21cpuspeed_turbos19:35:532
4078628992613,11cyclictest280-21systemd-journal20:32:342
4078617992617,2cyclictest421rcuog/219:45:490
407861799260,23cyclictest149635-21true23:35:010
4078628992521,3cyclictest72897-21kworker/u8:1+events_unbound22:25:142
4078628992520,3cyclictest0-21swapper/222:45:002
4078628992519,4cyclictest15018-21unixbench_multi21:16:102
4078628992518,5cyclictest280-21systemd-journal23:10:002
4078622992516,6cyclictest280-21systemd-journal20:48:351
4078628992421,2cyclictest184601-21aten2_r5power_c00:10:512
4078628992420,2cyclictest125104-21aten2_r5power_v23:10:492
4078628992419,3cyclictest90084-21kworker/u8:0+events_unbound23:45:072
407861799246,17cyclictest4125452-21kworker/0:2+events20:46:460
407862899236,2cyclictest795312awk22:21:092
4078628992320,2cyclictest4190330-21fschecks_time21:00:552
4078628992320,2cyclictest4187337-21kthreadcore20:56:002
4078628992319,2cyclictest4169864-21cron20:40:002
4078628992318,4cyclictest90084-21kworker/u8:0+flush-8:022:51:452
4078628992318,4cyclictest90084-21kworker/u8:0+events_unbound22:47:522
4078628992219,1cyclictest0-21swapper/221:45:012
4078628992216,4cyclictest35068-21unixbench_multi21:36:082
4078628992117,2cyclictest0-21swapper/223:31:092
4078628992117,2cyclictest0-21swapper/223:20:012
4078628992115,4cyclictest4184343-21unixbench_singl20:51:082
4078628992115,4cyclictest4184343-21unixbench_singl20:51:072
4078628992114,5cyclictest280-21systemd-journal21:30:022
407862899202,12cyclictest4175141-21apt-get20:45:512
4078628992015,3cyclictest85520-21aten2_r5power_p22:30:512
40738182204,9sleep20-21swapper/219:05:362
4078628991914,3cyclictest0-21swapper/200:26:012
4078628991910,7cyclictest190627-21tr00:15:552
4078628991814,2cyclictest4120802-21aten2_r5power_c19:50:512
4078628991814,2cyclictest4115944-21aten2_r5power_p19:45:502
4078628991810,6cyclictest4128479-21cut19:56:002
40782542183,8sleep30-21swapper/319:07:383
407862899178,6cyclictest174349-21cron00:00:002
407862899172,11cyclictest4149266-21ntpq20:16:032
407862899172,11cyclictest118955-21ntpq23:01:052
4078628991714,2cyclictest6217-21fschecks_time21:10:532
4078628991714,2cyclictest20977-21cron21:10:012
4078628991713,3cyclictest194963-21fschecks_count00:20:532
4078628991713,3cyclictest144312-21unixbench_singl23:26:102
4078628991712,4cyclictest90084-21kworker/u8:0+events_unbound23:50:082
4078628991712,3cyclictest93301-21kthreadcore22:35:592
4078628991712,3cyclictest371rcuc/219:25:592
407862899162,13cyclictest0-21swapper/219:30:302
407862899161,11cyclictest151175-21kthreadcore23:35:592
900412132,7sleep30-21swapper/322:35:003
496702132,7sleep30-21swapper/321:51:023
41706792132,7sleep30-21swapper/320:40:563
40904492132,6sleep30-21swapper/319:20:023
373502132,7sleep30-21swapper/321:40:593
2050992134,5sleep30-21swapper/300:30:573
1091282132,7sleep30-21swapper/322:51:093
1006512132,7sleep30-21swapper/322:45:563
951712122,6sleep30-21swapper/322:40:013
943862122,6sleep30-21swapper/322:36:093
764622122,6sleep30-21swapper/322:21:003
703522122,6sleep30-21swapper/322:15:023
661832122,6sleep30-21swapper/322:10:563
548432122,6sleep30-21swapper/321:56:083
52332122,6sleep30-21swapper/321:06:113
434252120,7sleep30-21swapper/321:46:013
41845762122,6sleep30-21swapper/320:53:363
41845762122,6sleep30-21swapper/320:53:363
41652262122,6sleep30-21swapper/320:35:493
41486852122,7sleep30-21swapper/320:16:003
41403052122,6sleep30-21swapper/320:10:023
41352692121,7sleep30-21swapper/320:05:003
41155742122,5sleep30-21swapper/319:45:023
41054112124,5sleep30-21swapper/319:32:173
40964442122,6sleep30-21swapper/319:25:563
2135522122,6sleep30-21swapper/300:36:063
203892122,5sleep30-21swapper/321:25:023
1955852122,6sleep30-21swapper/300:20:573
1931572123,6sleep30-21swapper/300:16:003
1697582123,6sleep30-21swapper/323:55:503
1688462122,6sleep30-21swapper/323:51:083
1602222122,6sleep30-21swapper/323:45:553
1591072122,6sleep30-21swapper/323:41:093
157662122,6sleep30-21swapper/321:20:523
1492182122,6sleep30-21swapper/323:31:093
1308232122,6sleep30-21swapper/323:15:563
1283072122,6sleep30-21swapper/323:11:003
1152842122,6sleep30-21swapper/323:00:523
1139282122,5sleep30-21swapper/322:56:033
67852112,6sleep30-21swapper/321:10:573
609322112,5sleep30-21swapper/322:05:513
557992112,5sleep30-21swapper/322:00:493
41899712112,5sleep30-21swapper/321:00:383
41850182112,5sleep30-21swapper/320:55:533
41748482112,5sleep30-21swapper/320:45:013
41591382112,5sleep30-21swapper/320:26:033
41501012112,5sleep30-21swapper/320:20:003
41258442112,5sleep30-21swapper/319:55:533
41155062112,5sleep30-21swapper/319:44:383
41071522112,5sleep30-21swapper/319:35:593
40849642112,5sleep30-21swapper/319:15:033
40790762112,5sleep30-21swapper/319:10:553
352562112,6sleep30-21swapper/321:37:173
1996792112,5sleep30-21swapper/300:25:523
1844812112,5sleep30-21swapper/300:10:033
1840762112,5sleep30-21swapper/300:07:503
1750482112,5sleep30-21swapper/300:00:563
1502752112,5sleep30-21swapper/323:35:563
1399912112,5sleep30-21swapper/323:25:043
1347592112,5sleep30-21swapper/323:20:033
1239042112,6sleep30-21swapper/323:06:063
107162112,5sleep30-21swapper/321:15:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional