You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-15 - 04:31

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 the 100 highest latencies:
System rack5slot4s.osadl.org (updated Mon Dec 15, 2025 00:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
161116321810,2sleep3471rcuc/323:14:083
140467021770,5sleep30-21swapper/319:44:083
16662732560,2chrt575-21kworker/3:2+events00:09:083
14699752560,3sleep3575-21kworker/3:2-events20:49:083
1370083995245,5cyclictest1554620-21latency_hist22:15:010
1370088995043,5cyclictest278-21systemd-journal23:14:172
1370084994942,5cyclictest1370323-21kworker/u8:1+flush-8:019:39:171
1370084994836,8cyclictest1411375-21turbostat.cron19:50:011
1370084994739,5cyclictest277023-21kworker/u8:0+flush-8:019:19:151
1370084994339,3cyclictest1451038-21kworker/u8:2+flush-8:021:04:151
137008399421,39cyclictest1-21systemd21:20:000
1370084994134,5cyclictest1456237-21kworker/u8:0+flush-8:022:09:321
1370084994133,6cyclictest1569958-21kworker/u8:0+flush-8:022:34:171
1370084994133,6cyclictest1569958-21kworker/u8:0+flush-8:022:34:171
1370083994131,7cyclictest1480584-21latency_hist21:00:010
137008399412,33cyclictest1365038-21kworker/0:1+events20:01:080
1370084994032,6cyclictest1470778-21kworker/u8:3+flush-8:022:04:141
136985024027,7sleep10-21swapper/119:09:371
1370084993932,5cyclictest1658999-21kworker/u8:1+flush-8:000:29:151
1370083993929,7cyclictest1391635-21latency_hist19:30:000
1370084993833,3cyclictest1470778-21kworker/u8:3+events_unbound21:54:041
1370084993830,6cyclictest1584787-21/usr/sbin/munin22:49:151
137008399382,30cyclictest1365038-21kworker/0:1+events19:13:550
1370083993731,4cyclictest1461467-21apt-get20:43:590
1370083993727,8cyclictest278-21systemd-journal20:50:010
137008399370,35cyclictest1593638-21sshd22:54:170
1370084993623,9cyclictest1633906-21latency_hist23:35:001
1370083993625,9cyclictest1563884-21ntpq22:24:130
1370084993528,5cyclictest1470778-21kworker/u8:3+flush-8:021:39:421
1370084993528,5cyclictest1451038-21kworker/u8:2+flush-8:020:49:051
1370083993523,10cyclictest1669706-21diskstats00:14:030
1370083993425,7cyclictest278-21systemd-journal22:00:010
1370084993328,4cyclictest277023-21kworker/u8:0+flush-8:019:24:201
1370084993328,3cyclictest1505154-21turbostat.cron21:25:001
1370084993326,5cyclictest277023-21kworker/u8:0+flush-8:019:44:031
1370084993326,5cyclictest1456237-21kworker/u8:0+events_unbound21:29:171
1370084993325,6cyclictest1674347-21/usr/sbin/munin00:19:161
137008399332,30cyclictest1451058-21kworker/0:1+events21:44:070
137008399332,30cyclictest1365038-21kworker/0:1+events20:14:270
137008399332,26cyclictest1431219-21kworker/0:0+events20:15:520
137008399331,30cyclictest1451058-21kworker/0:1+events21:29:160
137008399331,26cyclictest1451058-21kworker/0:1+events22:33:590
137008399331,26cyclictest1451058-21kworker/0:1+events22:33:590
1370083993310,19cyclictest1451058-21kworker/0:1+events21:20:350
13655062334,9sleep20-21swapper/219:08:252
1370084993227,3cyclictest1575209-21fschecks_count22:39:031
1370084993225,5cyclictest1510565-21kworker/u8:1+flush-8:022:14:181
1370084993225,4cyclictest0-21swapper/120:09:061
137008399323,27cyclictest1451058-21kworker/0:1+events23:13:590
137008399322,29cyclictest1365038-21kworker/0:1+events19:47:470
1370084993125,3cyclictest0-21swapper/121:49:101
1370084993123,6cyclictest1549714-21kworker/u8:2+flush-8:023:29:141
137008399313,26cyclictest1365038-21kworker/0:1+events19:38:590
1370083993123,5cyclictest278-21systemd-journal20:20:450
137008399312,27cyclictest1451058-21kworker/0:1+events21:49:150
137008399310,30cyclictest1451058-21kworker/0:1+events21:07:270
1370088993025,3cyclictest1679652-21fschecks_time00:24:042
1370084993026,3cyclictest1510565-21kworker/u8:1+flush-8:022:29:011
1370084993025,3cyclictest1640371-21irqrtprio23:44:051
1370084993023,5cyclictest1456237-21kworker/u8:0+flush-8:021:19:131
1370084993022,6cyclictest1644566-21apt-get23:49:011
137008399307,18cyclictest1451058-21kworker/0:1+events22:40:030
1370083993027,2cyclictest1451044-21systemd-run20:30:010
137008399302,25cyclictest1451058-21kworker/0:1+events22:35:200
137008399302,24cyclictest1365038-21kworker/0:1+events19:42:110
137008399301,28cyclictest1451058-21kworker/0:1+events23:49:150
1370083993010,19cyclictest1365038-21kworker/0:1+events19:34:470
1370088992925,2cyclictest1500225-21cron21:20:002
1370084992925,3cyclictest1659273-21kworker/u8:4+events_unbound00:04:031
1370084992924,3cyclictest0-21swapper/123:59:061
1370084992923,5cyclictest1426175-21kworker/u8:1+flush-8:020:30:311
1370084992923,4cyclictest1668740-21unixbench_multi00:09:191
1370084992923,4cyclictest1623944-21unixbench_multi23:24:171
1370084992918,8cyclictest1525108-21latency_hist21:45:011
1370084992916,10cyclictest278-21systemd-journal23:54:271
137008399299,18cyclictest1451058-21kworker/0:1+events00:26:030
137008399298,19cyclictest1365038-21kworker/0:1+events20:09:110
137008399298,18cyclictest1451058-21kworker/0:1+events20:51:430
137008399295,22cyclictest1451058-21kworker/0:1+events23:29:070
137008399291,27cyclictest1451058-21kworker/0:1+events00:24:150
137008399291,23cyclictest1451058-21kworker/0:1+events21:50:550
137008399291,23cyclictest1431219-21kworker/0:0+events20:30:040
1370083992910,18cyclictest1451058-21kworker/0:1+events22:26:510
1370084992824,3cyclictest1451038-21kworker/u8:2+flush-8:020:59:151
1370084992823,3cyclictest1639207-21latency_hist23:40:011
1370084992823,3cyclictest1639207-21latency_hist23:40:001
1370084992820,5cyclictest1470778-21kworker/u8:3+flush-8:021:59:121
137008399283,20cyclictest1451058-21kworker/0:1+events23:05:080
137008399282,25cyclictest1451058-21kworker/0:1+events22:59:070
137008399282,25cyclictest1365038-21kworker/0:1+events19:15:110
137008399281,26cyclictest1451058-21kworker/0:1+events23:19:470
137008399281,23cyclictest1365038-21kworker/0:1+events19:55:150
137008399281,22cyclictest1451058-21kworker/0:1+events23:00:070
1370088992723,2cyclictest1619810-21aten2_r5power_p23:24:002
1370088992723,2cyclictest1520163-21cron21:39:592
1370088992723,2cyclictest1486129-21aten2_r5power_e21:09:012
1370084992723,3cyclictest1470778-21kworker/u8:3+flush-8:020:50:311
1370084992721,4cyclictest1658999-21kworker/u8:1+events_unbound00:15:001
137008399276,20cyclictest1451058-21kworker/0:1+events00:39:270
137008399276,19cyclictest1451058-21kworker/0:1+events21:32:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional