You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-08 - 21:06

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 Tue Sep 08, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39808682680,1chrt3980518-21kthreadcore11:14:150
39277672600,3chrt75-21kworker/3:1+events10:19:293
3737004995749,6cyclictest3749030-21kworker/u8:2+events_unbound07:29:251
3736999995738,16cyclictest278-21systemd-journal11:04:100
3736999995445,6cyclictest4047083-21latency_hist12:20:000
3736999995433,18cyclictest3813592-21latency_hist08:25:000
3737004994941,6cyclictest3996048-21kworker/u8:3+flush-8:011:49:251
3737009994840,6cyclictest3818644-21cp08:30:002
3737009994840,6cyclictest3818644-21cp08:30:002
3737004994842,4cyclictest4007510-21kworker/u8:1+events_unbound12:04:091
3736999994840,6cyclictest3997573-21latency_hist11:30:000
3737004994741,5cyclictest3828926-21kworker/u8:0+flush-8:010:24:151
3737004994741,5cyclictest3828926-21kworker/u8:0+flush-8:010:24:151
3736999994725,19cyclictest278-21systemd-journal10:55:020
3736999994617,7cyclictest3928654-21sshd10:24:100
3736999994617,7cyclictest3928654-21sshd10:24:100
3736999994523,18cyclictest278-21systemd-journal10:04:090
3737004994338,4cyclictest3942732-21kworker/u8:1+flush-8:011:04:081
3737004994336,5cyclictest3844020-21kworker/u8:1+flush-8:009:15:001
3736999994326,15cyclictest390-21dbus-daemon09:05:000
3737004994236,5cyclictest3888331-21kworker/u8:2+flush-8:010:15:001
3737004994235,5cyclictest278-21systemd-journal11:19:101
3736999994218,21cyclictest0-21swapper/009:45:010
3737004994134,5cyclictest3978050-21kworker/u8:1+events_unbound11:29:131
3737004994130,9cyclictest3838593-21apt-get08:50:011
3737004994035,4cyclictest3873641-21kworker/u8:3+events_unbound10:39:121
3736999994031,6cyclictest4057021-21latency_hist12:30:010
3736999994022,15cyclictest278-21systemd-journal10:14:100
3736999994021,18cyclictest4002438-21unixbench_multi11:34:240
3736999994021,16cyclictest0-21swapper/007:30:000
3736999994018,7cyclictest4027835-21/usr/sbin/munin12:04:170
3736999994018,6cyclictest3854460-21diskstats09:09:090
3737009993924,2cyclictest4018304-21fschecks_time11:54:112
3737004993935,3cyclictest3873641-21kworker/u8:3+flush-8:010:49:131
3737004993934,4cyclictest3873641-21kworker/u8:3+flush-8:010:29:181
3737004993934,4cyclictest3732155-21kworker/u8:1+events_unbound07:49:111
3736999993932,5cyclictest278-21systemd-journal07:44:100
3736999993931,6cyclictest3973420-21apt-get11:09:070
3736999993920,16cyclictest3917877-21grep10:09:240
3737009993831,5cyclictest3962505-21apt-get10:55:002
3737009993827,8cyclictest3972904-21cat11:05:012
3737004993833,4cyclictest3873641-21kworker/u8:3+flush-8:010:34:231
3737004993832,4cyclictest4032497-21kworker/u8:0+events_unbound12:19:181
3737004993831,4cyclictest3802240-21kworker/u8:3+flush-8:008:19:231
3737004993830,6cyclictest3802240-21kworker/u8:3+flush-8:008:29:111
3737004993830,6cyclictest3802240-21kworker/u8:3+flush-8:008:29:111
3736999993822,14cyclictest4012334-21unixbench_multi11:44:260
3736999993819,2cyclictest0-21swapper/011:19:220
3736999993817,18cyclictest0-21swapper/012:09:200
3737004993732,4cyclictest3996048-21kworker/u8:3+events_unbound11:39:121
3737004993732,4cyclictest3749030-21kworker/u8:2+flush-8:007:44:081
3737004993732,3cyclictest3844020-21kworker/u8:1+events_unbound09:09:171
3737004993731,5cyclictest3873641-21kworker/u8:3+flush-8:009:54:261
3737004993731,4cyclictest3888331-21kworker/u8:2+events_unbound09:44:101
3737004993730,5cyclictest3732155-21kworker/u8:1+flush-8:007:59:191
3737004993728,7cyclictest3839361-21/usr/sbin/munin08:54:241
3736999993719,15cyclictest3884215-21fschecks_count09:39:110
3736999993719,15cyclictest0-21swapper/012:34:100
3737004993632,3cyclictest3828926-21kworker/u8:0+flush-8:010:09:121
3737004993631,4cyclictest3828926-21kworker/u8:0+events_unbound09:19:241
3737004993629,5cyclictest3828926-21kworker/u8:0+flush-8:008:44:231
3736999993619,3cyclictest3927904-21systemd-run10:20:000
3736999993619,15cyclictest0-21swapper/008:10:000
3736999993618,2cyclictest0-21swapper/009:54:280
3736999993615,4cyclictest1-21systemd09:34:100
3737004993531,2cyclictest3798665-21wc08:10:001
3737004993525,8cyclictest278-21systemd-journal09:47:101
3736999993518,2cyclictest0-21swapper/007:55:010
3736999993518,15cyclictest3808654-21systemd-run08:20:000
3736999993516,17cyclictest3736995-21cyclictest07:10:010
3736999993516,17cyclictest0-21swapper/011:39:100
38188822340,4sleep375-21kworker/3:1-events08:30:003
38188822340,4sleep375-21kworker/3:1-events08:30:003
3737004993428,4cyclictest3956984-21kworker/u8:0+events_unbound10:54:091
3737004993427,5cyclictest3749030-21kworker/u8:2+flush-8:007:54:131
3737004993426,6cyclictest278-21systemd-journal12:00:001
3736999993417,4cyclictest3753557-21unixbench_multi07:24:260
3736999993416,3cyclictest4042136-21awk12:15:000
3736999993416,2cyclictest0-21swapper/012:24:090
3736999993416,16cyclictest0-21swapper/011:49:250
3736999993415,3cyclictest0-21swapper/007:40:010
3736999993415,2cyclictest0-21swapper/007:34:170
3736999993413,3cyclictest0-21swapper/009:24:140
3736999993412,5cyclictest0-21swapper/007:15:010
3736999993317,4cyclictest3844548-21cpuspeed_turbos08:59:080
3736999993312,7cyclictest3957017-21ntpq10:49:220
3737004993228,3cyclictest4032497-21kworker/u8:0+events_unbound12:29:061
3736999993221,9cyclictest3803052-21ntpq08:14:190
3736999993214,4cyclictest390-21dbus-daemon08:55:010
3737004993126,4cyclictest3972260-21kworker/u8:3+flush-8:011:09:131
3737004993126,4cyclictest3732155-21kworker/u8:1+flush-8:007:14:211
3737004993125,4cyclictest4062537-21apt-get12:39:051
3737004993125,4cyclictest4051994-21kworker/u8:3+events_unbound12:34:121
3737004993124,5cyclictest3828926-21kworker/u8:0+flush-8:009:39:251
3737004993123,6cyclictest3988269-21apt-get11:24:051
3737004993122,7cyclictest3952603-21latency_hist10:45:011
3736999993126,3cyclictest4066902-21cron12:40:000
3736999993126,3cyclictest3823083-21needreboot08:34:180
39421082300,6chrt451irq_work/310:34:183
3737009993025,3cyclictest3982591-21unixbench_multi11:14:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional