You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-07 - 09:25

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 100 highest latencies:
System rack9slot8s.osadl.org (updated Sun Dec 07, 2025 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
818501980,0irq/46-4a10000011170-21kworker/0:119:06:360
81950890,0irq/47-4a10000021972-21ssh21:56:410
81950890,0irq/47-4a10000012404-21munin-run22:44:580
81950870,0irq/47-4a1000007643-21apt22:34:570
81950870,0irq/47-4a10000030157-21ssh22:14:030
81950870,0irq/47-4a10000013410-21ssh21:38:460
81950860,0irq/47-4a1000002294-21ssh22:23:380
81850860,0irq/46-4a10000021220-21ssh00:12:390
81950850,0irq/47-4a1000004608-21rm21:19:590
81950850,0irq/47-4a10000027856-21rm23:17:250
81950850,0irq/47-4a10000018768-21sendmail-msp19:39:520
81950850,0irq/47-4a10000015184-21lldpd00:23:300
81950850,0irq/47-4a10000014301-21ssh22:48:580
81850850,0irq/46-4a10000030760-21ssh22:15:080
81950840,0irq/47-4a10000032102-21kworker/u2:223:31:170
81950840,0irq/47-4a10000032084-21diskmemload22:55:360
81950840,0irq/47-4a10000029713-21ssh23:21:190
81950840,0irq/47-4a10000019437-21sshd19:44:340
81950840,0irq/47-4a10000014137-21rm23:57:310
81850840,0irq/46-4a10000024515-21ssh00:19:490
81850840,0irq/46-4a10000019128-21modprobe21:50:380
81850840,0irq/46-4a10000015015-21ssh22:50:170
81950830,0irq/47-4a1000005003-21ssh23:37:570
81950830,0irq/47-4a10000027637-21munin-run20:39:550
81950830,0irq/47-4a10000020222-21sh19:49:520
81950830,0irq/47-4a10000011601-21ssh23:52:030
81950830,0irq/47-4a10000010613-21sh23:50:010
81850830,0irq/46-4a1000009122-21runrttasks22:38:010
81850830,0irq/46-4a1000007030-21ssh23:42:130
81850830,0irq/46-4a10000032588-21ssh21:10:330
81850830,0irq/46-4a10000024304-21http23:10:010
81850830,0irq/46-4a10000015083-21ssh21:42:100
81950820,0irq/47-4a10000032091-21ssh21:09:540
81950820,0irq/47-4a10000030783-21runrttasks21:00:260
81950820,0irq/47-4a10000030196-21kworker/u2:121:26:300
81950820,0irq/47-4a10000028219-21munin-run22:09:580
81950820,0irq/47-4a10000019990-21latency_hist00:10:010
81950820,0irq/47-4a10000016546-21latency_hist19:24:520
81950820,0irq/47-4a10000015184-21lldpd19:34:060
81950820,0irq/47-4a10000012433-21kworker/u2:119:14:570
81950820,0irq/47-4a1000001136-21ssh23:29:460
81850820,0irq/46-4a10000031653-21ssh00:34:570
81850820,0irq/46-4a10000017250-21ssh00:04:120
81850820,0irq/46-4a10000014826-21in:imuxsock22:25:000
81950810,0irq/47-4a10000023190-21munin-run20:09:530
81950810,0irq/47-4a10000019969-21sshd23:00:430
81850810,0irq/46-4a10000096552sleep021:30:400
81850810,0irq/46-4a10000024518-21ssh23:10:100
81850810,0irq/46-4a10000015201-21runrttasks22:02:560
81850810,0irq/46-4a10000015201-21runrttasks00:26:360
81950800,0irq/47-4a10000029881-21latency_hist20:54:540
81950800,0irq/47-4a10000018357-21ssh21:49:090
81950790,0irq/47-4a10000029124-21/usr/sbin/munin20:49:540
81950790,0irq/47-4a1000002235-21ssh21:15:010
81950790,0irq/47-4a10000022214-21sshd20:03:060
81950780,0irq/47-4a10000028085-21sshd20:42:360
81950780,0irq/47-4a10000026162-21munin-run20:29:540
81950780,0irq/47-4a10000016838-21sshd19:26:330
304722780,0sleep030196-21kworker/u2:120:59:040
237722780,0chrt23523-21kworker/u2:320:13:480
81950770,0irq/47-4a10000032233-21ssh00:36:000
208932760,0sleep020502-21kworker/u2:619:54:280
141542760,0chrt13945-21kworker/u2:219:12:590
251722750,0sleep024929-21kworker/u2:520:23:000
81850740,0irq/46-4a10000013945-21kworker/u2:219:59:510
266062740,0sleep025839-21kworker/u2:120:32:420
81950700,0irq/47-4a10000024663-21cron20:19:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional