You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-11 - 06:40

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 #a, slot #5

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
  TI
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackaslot5s.osadl.org (updated Tue Nov 11, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811390,0rcu_preempt3-21ksoftirqd/023:42:250
811250,0rcu_preempt3-21ksoftirqd/021:09:450
811090,0rcu_preempt3-21ksoftirqd/023:49:450
811090,0rcu_preempt3-21ksoftirqd/022:39:460
811020,0rcu_preempt3-21ksoftirqd/023:27:290
811010,0rcu_preempt3-21ksoftirqd/023:55:100
811010,0rcu_preempt3-21ksoftirqd/023:15:550
81990,0rcu_preempt3-21ksoftirqd/023:59:570
81980,0rcu_preempt3-21ksoftirqd/021:39:460
81970,0rcu_preempt3-21ksoftirqd/021:31:030
81940,0rcu_preempt3-21ksoftirqd/022:39:460
81940,0rcu_preempt3-21ksoftirqd/022:01:400
81890,0rcu_preempt3-21ksoftirqd/021:39:450
81870,0rcu_preempt26689-21diskmemload00:04:580
81860,0rcu_preempt3-21ksoftirqd/022:55:140
81860,0rcu_preempt30091-21kworker/0:200:20:000
81860,0rcu_preempt30091-21kworker/0:200:20:000
81850,0rcu_preempt3-21ksoftirqd/021:58:020
81850,0rcu_preempt3-21ksoftirqd/000:24:560
294412850,0sleep19950irq/345-484840023:10:341
81780,0rcu_preempt3-21ksoftirqd/020:19:450
81780,0rcu_preempt3-21ksoftirqd/019:14:590
81750,0rcu_preempt3-21ksoftirqd/023:12:010
81750,0rcu_preempt3-21ksoftirqd/021:27:490
81740,0rcu_preempt3-21ksoftirqd/023:49:590
81740,0rcu_preempt3-21ksoftirqd/023:38:010
81740,0rcu_preempt3-21ksoftirqd/023:23:280
81740,0rcu_preempt3-21ksoftirqd/022:09:550
81740,0rcu_preempt20021-21ps21:40:140
81730,0rcu_preempt3-21ksoftirqd/020:00:090
81730,0rcu_preempt3-21ksoftirqd/020:00:090
81730,0rcu_preempt19801-21cyclictest00:19:380
81720,0rcu_preempt3-21ksoftirqd/022:15:190
81720,0rcu_preempt3-21ksoftirqd/021:20:000
81720,0rcu_preempt3-21ksoftirqd/020:50:040
81720,0rcu_preempt30513-21apt-get00:34:580
81710,0rcu_preempt3-21ksoftirqd/022:05:430
81710,0rcu_preempt3-21ksoftirqd/020:30:140
81710,0rcu_preempt3-21ksoftirqd/000:31:000
81700,0rcu_preempt3-21ksoftirqd/019:50:090
81690,0rcu_preempt3-21ksoftirqd/022:45:120
81680,0rcu_preempt54-21kswapd021:46:320
81680,0rcu_preempt3-21ksoftirqd/023:04:450
81680,0rcu_preempt3-21ksoftirqd/023:04:450
81670,0rcu_preempt3-21ksoftirqd/020:05:130
81670,0rcu_preempt3-21ksoftirqd/000:10:020
116192670,0sleep010050irq/346-484840020:21:290
81660,0rcu_preempt3-21ksoftirqd/023:05:340
81650,0rcu_preempt3-21ksoftirqd/019:30:340
81650,0rcu_preempt3-21ksoftirqd/019:20:040
84992640,0sleep010050irq/346-484840020:13:150
10082640,0sleep09950irq/345-484840021:17:310
81630,0rcu_preempt3-21ksoftirqd/020:45:060
81630,0rcu_preempt3-21ksoftirqd/020:35:050
81620,0rcu_preempt3-21ksoftirqd/022:29:590
81620,0rcu_preempt3-21ksoftirqd/021:50:160
81610,0rcu_preempt3-21ksoftirqd/022:53:050
81610,0rcu_preempt3-21ksoftirqd/021:10:140
81590,0rcu_preempt3-21ksoftirqd/022:25:050
10050590,0irq/346-484840030241-1kworker/1:1H23:34:201
10050570,0irq/346-484840017190-1kworker/1:0H22:18:281
81560,0rcu_preempt3-21ksoftirqd/022:22:060
81560,0rcu_preempt3-21ksoftirqd/022:22:060
10050560,0irq/346-484840026143-1kworker/1:2H22:44:111
10050550,0irq/346-484840016237-1kworker/1:3H00:19:261
81540,0rcu_preempt3-21ksoftirqd/019:45:050
81530,0rcu_preempt3-21ksoftirqd/023:30:030
81530,0rcu_preempt3-21ksoftirqd/019:54:580
10050530,0irq/346-484840022395-1kworker/1:2H23:42:581
10050520,0irq/346-484840026141-1kworker/1:0H22:37:421
10050520,0irq/346-484840018338-1kworker/1:3H23:38:141
81510,0rcu_preempt3-21ksoftirqd/019:39:450
81510,0rcu_preempt19-21ksoftirqd/119:10:041
301702510,0sleep19950irq/345-484840021:13:551
10050510,0irq/346-48484002682-21ssh23:18:151
81500,0rcu_preempt3-21ksoftirqd/020:55:090
10050500,0irq/346-48484005777-21ssh23:21:331
10050500,0irq/346-484840021773-21ssh23:01:171
10050500,0irq/346-484840021773-21ssh23:01:171
81490,0rcu_preempt3-21ksoftirqd/020:28:550
81490,0rcu_preempt21546-1kworker/1:4H23:04:561
81490,0rcu_preempt19-21ksoftirqd/121:30:141
10050490,0irq/346-48484006051-21ssh21:24:001
10050490,0irq/346-48484005734-21ssh00:01:201
1980299484,0cyclictest23074-21ping19:39:580
1980299484,0cyclictest23074-21ping19:39:580
10050480,0irq/346-4848400859-21ssh21:17:181
10050470,0irq/346-484840054-21kswapd023:51:571
10050470,0irq/346-48484005034-21ssh22:01:131
10050470,0irq/346-484840013741-21ssh00:11:141
10050460,0irq/346-484840025422-21ssh21:46:491
95122450,0sleep19950irq/345-484840022:45:361
10050450,0irq/346-48484009604-1kworker/1:0H21:29:201
10050450,0irq/346-484840023074-21ping19:29:161
10050450,0irq/346-484840018758-21ssh21:39:321
10050450,0irq/346-484840018758-21ssh21:39:321
10050450,0irq/346-484840018145-1kworker/0:0H19:05:080
10050450,0irq/346-48484001652-21ssh23:56:151
10050440,0irq/346-484840029408-21ssh21:51:361
10050440,0irq/346-484840026240-21ssh22:26:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional