You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-28 - 05:50

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 #9, slot #8

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
  
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: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack9slot8s.osadl.org (updated Thu May 28, 2026 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
947501750,0irq/33-mmc03560-21kworker/0:019:05:050
82050860,0irq/47-4a1000005952-21runrttasks22:37:430
82050860,0irq/47-4a10000012086-21snmpd19:18:030
35150860,0irq/20-490000001-21systemd22:26:510
82050850,0irq/47-4a10000023634-21munin-run21:00:030
82050850,0irq/47-4a10000012086-21snmpd20:13:140
82050850,0irq/47-4a10000010952-21runrttasks23:11:070
82050840,0irq/47-4a1000008962-21runrttasks22:58:020
82050840,0irq/47-4a10000023617-21sendmail-mta00:34:070
82050840,0irq/47-4a1000001791-21apt22:10:010
82050840,0irq/47-4a10000017610-21awk23:55:010
82050840,0irq/47-4a10000016261-21kworker/u2:120:35:020
82050840,0irq/47-4a10000012086-21snmpd23:39:000
81950840,0irq/46-4a1000002537-21awk22:15:010
82050830,0irq/47-4a10000022279-21apt00:25:010
82050830,0irq/47-4a10000020464-21sshd20:38:320
82050830,0irq/47-4a10000012086-21snmpd21:28:310
97012820,0sleep09491-21kworker/u2:423:02:500
82050820,0irq/47-4a10000022159-21munin-run20:50:020
82050820,0irq/47-4a10000019105-21apt-get00:05:020
82050820,0irq/47-4a10000018751-21sshd20:26:330
82050820,0irq/47-4a10000017650-21runrttasks20:20:130
82050820,0irq/47-4a10000014278-21runrttasks19:58:090
82050820,0irq/47-4a10000012989-21apt-key19:50:070
81950820,0irq/46-4a10000018323-21cron00:00:000
81950820,0irq/46-4a10000012086-21snmpd00:36:200
82050810,0irq/47-4a1000007968-21runrttasks22:50:570
82050810,0irq/47-4a1000007558-21sshd22:48:320
82050810,0irq/47-4a10000026615-21sendmail21:20:010
82050810,0irq/47-4a10000016119-21cron23:45:000
82050810,0irq/47-4a10000014526-21latency_hist20:00:050
164882810,0chrt16391-21kworker/u2:023:47:000
128012810,0chrt12421-21kworker/u2:219:49:440
111822810,0chrt4120-21kworker/u2:019:38:500
82050800,0irq/47-4a1000008568-21kworker/u2:119:25:060
82050800,0irq/47-4a1000007585-21kworker/u2:719:25:310
82050800,0irq/47-4a1000006427-21sshd19:11:550
82050800,0irq/47-4a10000028337-21kworker/u2:521:35:090
82050800,0irq/47-4a10000012086-21snmpd20:18:160
82050800,0irq/47-4a10000011743-21kworker/u2:123:25:070
81950800,0irq/46-4a10000032750-21awk22:00:010
81950800,0irq/46-4a10000012086-21snmpd00:11:150
82050790,0irq/47-4a1000003558-21kworker/u2:022:35:000
82050790,0irq/47-4a10000022447-21sshd00:25:320
82050790,0irq/47-4a10000022446-21sshd20:51:330
82050790,0irq/47-4a10000021061-21sshd00:16:330
82050790,0irq/47-4a10000014565-21sshd23:34:320
82050790,0irq/47-4a10000014114-21kworker/u2:020:45:020
82050790,0irq/47-4a10000010272-21sshd23:06:330
81950790,0irq/46-4a10000032001-21apt21:55:010
81950790,0irq/46-4a10000031268-21munin-run21:50:000
300062790,0chrt26600-21kworker/u2:121:40:520
82050780,0irq/47-4a10000030057-21kworker/u2:622:15:020
82050780,0irq/47-4a10000012086-21snmpd20:08:120
258322780,0sleep024669-21kworker/u2:221:14:510
117562780,0chrt11743-21kworker/u2:123:16:360
82050770,0irq/47-4a10000028844-21munin-run21:35:030
82050770,0irq/47-4a10000018329-21kworker/u2:400:05:110
81950770,0irq/46-4a100000470-21sshd22:00:310
81950770,0irq/46-4a10000011552-21runrttasks19:40:410
81950770,0irq/46-4a10000010165-21sshd19:31:330
269972770,0sleep025430-21kworker/u2:421:22:040
82050750,0irq/47-4a10000012086-21snmpd22:43:480
249332750,0chrt24669-21kworker/u2:221:08:350
34482740,0chrt32307-21kworker/u2:422:20:200
81950730,0irq/46-4a10000012955-21cron23:25:010
101640,0ktimersoftd/023906-21seq21:01:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional