You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-22 - 17:06

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 Wed Jul 22, 2026 12:44:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
189773199182162,18cyclictest0-21swapper/011:22:520
189773999161152,7cyclictest2152584-21ntpq11:22:532
1897734999285,5cyclictest0-21swapper/111:22:521
20255962580,5sleep20-21swapper/209:17:422
1897731994840,6cyclictest2083171-21ntpq10:12:500
1897734994737,7cyclictest1949725-21latency_hist08:00:011
21667412430,1sleep02166745-21cut11:37:470
21667412430,1sleep02166745-21cut11:37:470
1897739994232,8cyclictest278-21systemd-journal10:55:022
1897731994131,7cyclictest1999592-21kworker/u8:3+flush-8:008:52:530
1897731994034,4cyclictest2009484-21sh09:00:010
1897739993929,8cyclictest1974749-21cat08:25:022
1897731993930,6cyclictest1954679-21latency_hist08:05:010
1897731993829,6cyclictest2148281-21latency_hist11:20:020
189773199381,34cyclictest395-21dbus-daemon10:55:010
1897731993730,5cyclictest2202776-21kworker/u8:3+flush-8:012:27:410
1897731993730,5cyclictest2049288-21cat09:40:000
1897739993631,4cyclictest1999592-21kworker/u8:3+flush-8:009:07:552
1897734993630,4cyclictest1915004-21kworker/u8:0+flush-8:008:42:461
1897734993630,4cyclictest1915004-21kworker/u8:0+flush-8:008:42:461
1897734993626,7cyclictest1924920-21latency_hist07:35:011
1897731993631,4cyclictest1984447-21kworker/u8:1+events_unbound08:42:560
1897731993631,4cyclictest1984447-21kworker/u8:1+events_unbound08:42:560
189773199360,33cyclictest2044129-21true09:35:000
1897731993530,3cyclictest2093871-21kworker/u8:2+events_unbound10:40:000
1897731993529,4cyclictest1944790-21kworker/u8:2+events_unbound08:12:520
18929542354,10sleep10-21swapper/107:05:501
1897731993430,3cyclictest2039380-21kworker/u8:3+events_unbound10:32:410
1897731993429,3cyclictest1902624-21latency_hist07:15:010
18974452342,3sleep00-21swapper/007:08:500
1897739993326,5cyclictest278-21systemd-journal12:02:492
1897734993327,5cyclictest2049528-21kworker/u8:0+flush-8:010:47:551
1897734993324,7cyclictest1960037-21/usr/sbin/munin08:12:501
1897731993326,5cyclictest2202776-21kworker/u8:3+events_unbound12:22:510
1897739993227,3cyclictest2168663-21aten2_r5power_p11:42:382
1897731993225,5cyclictest2049528-21kworker/u8:0+events_unbound09:42:510
1897731993219,11cyclictest2049528-21kworker/u8:0+flush-8:010:45:000
1897739993127,3cyclictest1915004-21kworker/u8:0+flush-8:008:17:462
1897739993125,4cyclictest1902732-21gpgv07:15:002
1897734993127,3cyclictest1941021-21irqrtprio07:52:451
1897734993127,2cyclictest1980621-21irqcore08:32:451
1897734993126,3cyclictest2095022-21irqrtprio10:27:441
1897731993127,3cyclictest1958814-21needreboot08:07:500
1897731993125,4cyclictest1999592-21kworker/u8:3+events_unbound09:05:010
21450782300,1sleep12145083-21tr11:17:461
1897739993025,3cyclictest2129044-21aten2_r5power_e11:02:402
1897734993027,2cyclictest2065108-21irqcore09:57:431
1897734993024,4cyclictest2099311-21apt-get10:32:381
1897734993024,4cyclictest1902632-21apt-get07:15:011
1897734993023,5cyclictest2188600-21apt-get12:02:391
1897734993023,5cyclictest2088219-21ntpq10:17:521
1897734993022,6cyclictest2049339-21apt-key09:40:011
1897734993021,7cyclictest278-21systemd-journal09:27:491
1897731993025,3cyclictest1873387-21kworker/u8:2+events_unbound07:27:540
1897731993025,3cyclictest0-21swapper/011:35:000
1897731993019,8cyclictest2018647-21ntpq09:07:520
1897739992921,6cyclictest1950460-21fschecks_count08:02:452
1897734992921,6cyclictest278-21systemd-journal11:50:021
1897734992921,6cyclictest2104267-21apt-get10:37:371
1897734992920,7cyclictest2187374-21ntpq11:57:521
189773199292,26cyclictest2083957-21kworker/0:0+events12:14:230
1897731992919,8cyclictest1902632-21apt-get07:15:030
1897731992913,13cyclictest2049528-21kworker/u8:0+flush-8:010:02:490
1897739992822,4cyclictest2163866-21fschecks_count11:37:412
1897739992822,4cyclictest2163866-21fschecks_count11:37:412
1897739992819,7cyclictest2158865-21cpuspeed_turbos11:32:412
1897734992823,3cyclictest2163119-21kworker/u8:0-ext4-rsv-conversion12:20:001
1897734992823,3cyclictest1985695-21irqrtprio08:37:451
1897734992822,4cyclictest2163119-21kworker/u8:0+flush-8:012:37:471
1897734992822,4cyclictest2163119-21kworker/u8:0+flush-8:012:37:471
1897734992820,6cyclictest2202956-21latency_hist12:15:011
1897731992822,4cyclictest2049528-21kworker/u8:0+flush-8:011:12:570
1897731992821,5cyclictest2118637-21kworker/u8:1+events_unbound11:52:450
1897731992816,9cyclictest278-21systemd-journal09:20:000
189773199280,27cyclictest1934914-21kworker/0:2+events08:27:450
1897739992723,2cyclictest2182368-21grep11:52:492
1897739992722,3cyclictest1999847-21aten2_r5power_c08:52:402
1897739992719,6cyclictest2084611-21cpuspeed_turbos10:17:402
1897734992724,2cyclictest2179409-21irqrtprio11:52:451
1897734992723,2cyclictest0-21swapper/109:00:001
1897734992722,3cyclictest2039380-21kworker/u8:3+flush-8:010:52:451
1897734992720,5cyclictest2193535-21apt-get12:07:381
1897734992719,6cyclictest2217827-21latency_hist12:30:011
1897734992719,6cyclictest2014443-21latency_hist09:05:011
1897731992722,4cyclictest2019381-21kworker/u8:1+flush-8:009:27:580
1897731992722,3cyclictest2064115-21cron09:55:000
189773199272,15cyclictest578-21runrttasks11:02:410
1897731992711,3cyclictest161rcu_preempt11:57:400
1897739992622,3cyclictest2079678-21cpuspeed_turbos10:12:402
1897739992622,2cyclictest1915786-21fschecks_time07:27:412
1897739992621,4cyclictest1920642-21kworker/u8:1+flush-8:007:32:522
1897739992621,3cyclictest2174063-21fschecks_time11:47:412
1897739992621,3cyclictest2143926-21aten2_r5power_v11:17:402
1897734992622,3cyclictest1955848-21irqrtprio08:07:461
1897734992622,2cyclictest1909955-21systemd07:20:011
1897734992621,3cyclictest1911027-21irqcore07:22:451
1897731992624,1cyclictest0-21swapper/007:57:560
1897731992624,1cyclictest0-21swapper/007:37:540
1897731992620,4cyclictest2151671-21kworker/u8:2+flush-8:012:07:430
1897731992620,4cyclictest1984447-21kworker/u8:1+events_unbound08:37:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional