You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-21 - 06:30

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 Tue Jul 21, 2026 00:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10249221720,2sleep239-21ksoftirqd/219:07:422
107053995849,6cyclictest267401-21latency_hist21:50:001
107053995546,6cyclictest222879-21latency_hist21:05:011
107053995143,5cyclictest278-21systemd-journal23:27:421
107053995142,7cyclictest252401-21kworker/u8:0+flush-8:021:37:571
107053995041,6cyclictest381425-21kworker/u8:1+flush-8:023:47:561
107053994942,5cyclictest354558-21kworker/u8:3+events_unbound23:42:511
107053994942,5cyclictest354558-21kworker/u8:3+events_unbound23:42:511
107057994843,4cyclictest68045-21kworker/u8:2+flush-8:019:15:052
107053994741,4cyclictest267251-21kworker/u8:2+events_unbound22:15:011
107053994733,9cyclictest111902-21latency_hist19:15:011
107051994233,6cyclictest376456-21latency_hist23:40:000
107053994134,5cyclictest129079-21/usr/sbin/munin19:32:591
107053994133,5cyclictest98-21kworker/u8:4+flush-8:019:37:581
107053994131,7cyclictest325159-21kworker/u8:3+flush-8:022:47:581
107053994033,6cyclictest316698-21kworker/u8:0+flush-8:023:08:001
107051994031,7cyclictest277327-21latency_hist22:00:010
107057993924,4cyclictest98-21kworker/u8:4+flush-8:019:50:112
107051993931,6cyclictest431178-21latency_hist00:35:020
107053993832,4cyclictest396252-21kworker/u8:0+events_unbound00:17:461
107053993830,6cyclictest222901-21kworker/u8:2+flush-8:021:22:531
107053993631,3cyclictest193406-21kworker/u8:0+flush-8:020:55:121
107053993629,5cyclictest405979-21kworker/u8:3+flush-8:000:27:551
107053993629,5cyclictest222901-21kworker/u8:2+flush-8:021:07:561
107053993628,6cyclictest411159-21kworker/u8:2+flush-8:000:37:521
107053993628,6cyclictest347170-21/usr/sbin/munin23:12:521
107053993628,6cyclictest267251-21kworker/u8:2+flush-8:022:17:581
107051993631,3cyclictest128918-21kworker/u8:1+events_unbound20:10:010
107053993530,3cyclictest98-21kworker/u8:4+flush-8:019:17:431
107053993530,3cyclictest258710-21irqrtprio21:42:471
107053993529,4cyclictest272363-21kworker/u8:1+flush-8:022:27:521
107053993529,4cyclictest128918-21kworker/u8:1+flush-8:020:22:541
107053993528,5cyclictest282707-21apt-get22:07:391
107053993527,6cyclictest252401-21kworker/u8:0+flush-8:021:52:541
107053993525,7cyclictest278-21systemd-journal22:37:411
107051993531,3cyclictest193406-21kworker/u8:0+events_unbound20:55:000
4132322340,2sleep3481ktimers/300:17:473
107053993429,4cyclictest222901-21kworker/u8:2+events_unbound21:32:511
107053993428,4cyclictest68045-21kworker/u8:2+events_unbound19:27:421
107053993424,6cyclictest128918-21kworker/u8:1+flush-8:020:37:461
107051993424,8cyclictest154096-21diskstats19:57:440
107053993329,3cyclictest325159-21kworker/u8:3+flush-8:022:55:011
107053993328,4cyclictest316698-21kworker/u8:0+flush-8:022:42:571
107053993326,5cyclictest267251-21kworker/u8:2+flush-8:022:32:571
107053993326,5cyclictest153844-21apt-get19:57:401
107051993328,4cyclictest128918-21kworker/u8:1+flush-8:021:43:010
107051993326,5cyclictest327424-21apt-get22:52:390
107051993325,6cyclictest396216-21latency_hist00:00:010
107051993324,6cyclictest381410-21latency_hist23:45:000
107051993324,6cyclictest381410-21latency_hist23:45:000
107057993226,4cyclictest316978-21gpgv22:40:002
107053993225,4cyclictest341642-21kworker/u8:2+flush-8:023:22:541
107051993227,3cyclictest361616-21cron23:25:000
107051993225,6cyclictest98-21kworker/u8:4+flush-8:019:32:490
107057993127,2cyclictest169043-21fschecks_time20:12:442
107053993126,3cyclictest356611-21sh23:20:001
107053993125,4cyclictest193406-21kworker/u8:0+events_unbound20:42:551
107053993124,5cyclictest381425-21kworker/u8:1+flush-8:000:07:561
107053993124,5cyclictest222901-21kworker/u8:2+events_unbound21:12:571
107053993124,5cyclictest106904-21latency_hist19:10:011
107051993127,3cyclictest208021-21systemd-run20:50:000
107051993127,3cyclictest208021-21systemd-run20:50:000
107053993025,3cyclictest149222-21cut19:52:441
107053993024,4cyclictest128918-21kworker/u8:1+flush-8:019:42:541
107053993022,4cyclictest0-21swapper/122:02:471
10705199306,23cyclictest62500-21kworker/0:1+events00:07:430
10705199300,28cyclictest411711-21sshd00:17:420
107057992925,3cyclictest280645-21kworker/u8:0+flush-8:022:02:552
107057992924,3cyclictest128918-21kworker/u8:1+events_unbound20:50:002
107057992924,3cyclictest128918-21kworker/u8:1+events_unbound20:50:002
107057992923,4cyclictest410919-21unixbench_singl00:12:572
107053992924,4cyclictest396252-21kworker/u8:0+events_unbound00:02:551
107053992924,3cyclictest243452-21cut21:27:441
107053992924,3cyclictest168263-21systemd-run20:10:021
107053992923,4cyclictest98-21kworker/u8:4+flush-8:019:47:461
107053992923,4cyclictest21170-21cron00:35:001
107051992924,3cyclictest139369-21fschecks_time19:42:440
107051992923,4cyclictest267222-21unixbench_singl21:48:020
107051992923,4cyclictest222901-21kworker/u8:2+flush-8:021:17:430
107051992923,4cyclictest213407-21apt-get20:57:390
107051992923,4cyclictest118472-21unixbench_multi19:17:570
107051992920,7cyclictest192945-21apt-get20:35:000
107053992824,3cyclictest128918-21kworker/u8:1+flush-8:020:12:481
107053992822,4cyclictest325159-21kworker/u8:3+events_unbound23:02:481
107053992820,6cyclictest416484-21cat00:20:021
107051992825,2cyclictest138550-21munin-run19:40:000
107051992822,4cyclictest401192-21cron00:05:000
107051992820,6cyclictest243137-21apt-get21:27:390
107057992724,2cyclictest341642-21kworker/u8:2+flush-8:023:52:492
107057992723,3cyclictest98-21kworker/u8:4+flush-8:019:25:012
107057992723,3cyclictest317612-21aten2_r5power_e22:42:402
107057992722,4cyclictest98-21kworker/u8:4+flush-8:020:17:462
107057992722,4cyclictest354558-21kworker/u8:3+events_unbound23:37:512
107057992722,3cyclictest282928-21cpuspeed_turbos22:07:422
107057992722,3cyclictest183870-21fschecks_time20:27:432
107053992721,4cyclictest273031-21cpuspeed_turbos21:57:421
107053992720,5cyclictest68045-21kworker/u8:2+flush-8:020:32:461
107053992718,7cyclictest301336-21ntpq22:22:511
10705199277,19cyclictest62500-21kworker/0:1+events21:30:440
10705199272,23cyclictest62500-21kworker/0:1+events22:32:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional