You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-10-26 - 20:04

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 all highest latencies:
System rack9slot8s.osadl.org (updated Sun Oct 26, 2025 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
819501250,0irq/47-4a10000030963-21kworker/u2:107:04:520
81850860,0irq/46-4a10000031476-21apt-get11:55:450
81950850,0irq/47-4a10000031150-21munin-run10:44:590
81850850,0irq/46-4a10000030473-21ssh11:52:450
81850850,0irq/46-4a1000002265-21sshd10:52:190
96072848,0sleep09613-21ssh12:17:230
84312847,0sleep08436-21ssh09:56:580
81950840,0irq/47-4a10000024714-21kworker/u2:010:34:400
81950840,0irq/47-4a10000014626-21ssh12:28:050
81950830,0irq/47-4a10000019325-21sendmail10:19:580
81950830,0irq/47-4a10000015173-21snmpd10:27:140
81850830,0irq/46-4a1000003997-21ssh10:56:000
81850830,0irq/46-4a10000024018-21ssh09:21:180
81950820,0irq/47-4a10000015562-21apt08:49:540
81950820,0irq/47-4a10000015173-21snmpd09:31:490
81850820,0irq/46-4a1000009489-21ssh11:07:500
81850820,0irq/46-4a1000005625-21ssh12:08:570
81850820,0irq/46-4a1000002924-21ssh12:03:100
81850820,0irq/46-4a10000026898-21ssh10:35:510
81850820,0irq/46-4a10000025919-21sshd09:25:170
81850820,0irq/46-4a10000015201-21runrttasks08:00:190
81850820,0irq/46-4a10000012479-21seq12:23:310
1907028213,0sleep018285-21kworker/u2:111:28:200
81950810,0irq/47-4a1000005256-21rm09:50:090
81950810,0irq/47-4a10000031489-21runrttasks09:37:080
81950810,0irq/47-4a1000002691-21ssh09:44:550
81950810,0irq/47-4a10000022072-21sshd09:17:170
81950810,0irq/47-4a10000016832-21rm12:32:450
81950810,0irq/47-4a10000015173-21snmpd11:32:410
81950810,0irq/47-4a10000015173-21snmpd07:51:240
81850810,0irq/46-4a1000006442-21ssh12:10:330
81850810,0irq/46-4a1000003118-21seq09:45:390
81850810,0irq/46-4a10000013859-21ssh10:08:270
81850800,0irq/46-4a10000024751-21ssh11:40:210
81850800,0irq/46-4a10000020379-21ssh09:13:460
81850800,0irq/46-4a10000015735-21ssh10:12:210
81950790,0irq/47-4a1000005910-21rm11:00:030
81950790,0irq/47-4a100000447-21munin-run07:14:510
81950790,0irq/47-4a10000016691-21sshd08:57:160
81950790,0irq/47-4a10000015959-21sshd08:52:160
81950790,0irq/47-4a10000014759-21ssh11:19:120
81950790,0irq/47-4a10000010990-21sh11:10:570
81950790,0irq/47-4a10000010025-21ssh10:00:120
81850790,0irq/46-4a1000008633-21apt-config08:04:580
81850790,0irq/46-4a10000031868-21ssh10:46:210
81850790,0irq/46-4a10000028731-21ssh11:49:040
81850790,0irq/46-4a10000019761-21ssh10:20:430
81850790,0irq/46-4a10000017919-21ssh12:35:040
81850790,0irq/46-4a10000016054-21ssh11:21:460
81950780,0irq/47-4a10000018063-21sshd09:06:160
81950780,0irq/47-4a10000013535-21sshd08:37:150
81950780,0irq/47-4a10000010163-21apt08:14:520
81850780,0irq/46-4a10000023729-21ssh11:38:200
81950770,0irq/47-4a1000004812-21runrttasks07:40:360
81950770,0irq/47-4a1000001532-21sshd07:19:120
81950770,0irq/47-4a10000014828-21rs:main0
81950760,0irq/47-4a1000008099-21kworker/u2:308:29:540
81950760,0irq/47-4a1000002738-21kworker/u2:307:39:520
81850760,0irq/46-4a10000010914-21sendmail08:19:540
55862760,0sleep04885-21kworker/u2:607:45:560
81950750,0irq/47-4a1000003272-21sshd07:30:130
81950750,0irq/47-4a10000011081-21sshd08:20:150
26142750,0sleep01200-21kworker/u2:107:25:470
81950740,0irq/47-4a1000004576-21kworker/u2:407:59:530
81950740,0irq/47-4a10000017296-21runrttasks09:01:020
81850730,0irq/46-4a10000013138-21/usr/sbin/munin08:34:540
140992730,0sleep08099-21kworker/u2:308:40:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional