You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-01-10 - 11:51

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 Sat Jan 10, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811360,0rcu_preempt3-21ksoftirqd/019:09:590
811130,0rcu_preempt19-21ksoftirqd/123:35:151
811070,0rcu_preempt19-21ksoftirqd/122:56:281
811050,0rcu_preempt3-21ksoftirqd/000:10:200
81980,0rcu_preempt19-21ksoftirqd/100:10:241
81930,0rcu_preempt19-21ksoftirqd/122:11:021
81860,0rcu_preempt9950irq/345-484840023:29:341
81790,0rcu_preempt25628-1kworker/1:1H19:20:011
81720,0rcu_preempt19-21ksoftirqd/121:50:341
81710,0rcu_preempt3-21ksoftirqd/022:59:420
81700,0rcu_preempt19-21ksoftirqd/122:27:211
81660,0rcu_preempt3-21ksoftirqd/020:57:180
81660,0rcu_preempt19-21ksoftirqd/122:20:041
81650,0rcu_preempt19-21ksoftirqd/121:40:001
81630,0rcu_preempt29780-21diskmemload00:15:261
81620,0rcu_preempt31140-21diskstats22:15:140
81620,0rcu_preempt19-21ksoftirqd/123:00:091
81610,0rcu_preempt3-21ksoftirqd/023:29:540
81610,0rcu_preempt19-21ksoftirqd/122:45:241
81580,0rcu_preempt3-21ksoftirqd/023:00:130
81580,0rcu_preempt3-21ksoftirqd/022:10:140
81580,0rcu_preempt19-21ksoftirqd/121:16:361
81570,0rcu_preempt3-21ksoftirqd/023:10:150
81570,0rcu_preempt3-21ksoftirqd/022:20:100
13250570,0irq/301-48020007171-21ssh00:00:140
81560,0rcu_preempt3-21ksoftirqd/020:00:110
81560,0rcu_preempt3-21ksoftirqd/000:32:540
81560,0rcu_preempt19290-21kworker/0:023:46:140
81560,0rcu_preempt19290-21kworker/0:023:46:140
81550,0rcu_preempt19-21ksoftirqd/123:15:331
81550,0rcu_preempt19-21ksoftirqd/121:29:051
290862550,0chrt10050irq/346-484840019:28:060
10050550,0irq/346-484840021848-1kworker/0:0H23:15:130
81540,0rcu_preempt3-21ksoftirqd/023:31:030
81540,0rcu_preempt3-21ksoftirqd/000:15:100
81540,0rcu_preempt29683-21kworker/0:219:35:120
81540,0rcu_preempt29088-1kworker/1:0H23:20:021
2269199548,0cyclictest0-21swapper/023:05:110
22691995412,0cyclictest28651-21ssh21:40:200
81530,0rcu_preempt3-21ksoftirqd/022:38:010
81530,0rcu_preempt3-21ksoftirqd/021:12:090
81530,0rcu_preempt19-21ksoftirqd/122:36:591
81530,0rcu_preempt19-21ksoftirqd/121:58:541
81530,0rcu_preempt19-21ksoftirqd/120:05:241
22691995312,0cyclictest4983-1kworker/0:0H21:20:000
81520,0rcu_preempt3-21ksoftirqd/020:45:160
81520,0rcu_preempt19511-21kworker/0:222:05:200
81520,0rcu_preempt19-21ksoftirqd/119:20:041
81520,0rcu_preempt19-21ksoftirqd/100:25:391
9950510,0irq/345-4848400851-21rngd21:35:340
81510,0rcu_preempt6520-21ping20:15:100
81510,0rcu_preempt3-21ksoftirqd/022:53:170
81510,0rcu_preempt3-21ksoftirqd/020:25:110
81510,0rcu_preempt3-21ksoftirqd/020:10:500
81510,0rcu_preempt3-21ksoftirqd/020:05:250
81510,0rcu_preempt25977-21ping19:24:140
81510,0rcu_preempt23347-21apt-get20:50:090
81510,0rcu_preempt19-21ksoftirqd/120:59:591
2269199515,0cyclictest30294-1kworker/0:1H21:45:150
81500,0rcu_preempt3-21ksoftirqd/023:37:330
81500,0rcu_preempt3-21ksoftirqd/022:42:340
81500,0rcu_preempt3-21ksoftirqd/021:50:180
81500,0rcu_preempt3-21ksoftirqd/021:05:170
81500,0rcu_preempt3-21ksoftirqd/019:50:170
81500,0rcu_preempt19-21ksoftirqd/123:59:191
81500,0rcu_preempt19-21ksoftirqd/123:49:571
81500,0rcu_preempt19-21ksoftirqd/123:49:571
10050500,0irq/346-4848400851-21rngd23:20:040
10050500,0irq/346-48484004983-1kworker/0:0H21:20:020
81490,0rcu_preempt3-21ksoftirqd/023:55:190
81490,0rcu_preempt3-21ksoftirqd/022:25:260
81490,0rcu_preempt3-21ksoftirqd/022:00:250
81490,0rcu_preempt3-21ksoftirqd/022:00:250
81490,0rcu_preempt3-21ksoftirqd/021:56:230
81490,0rcu_preempt3-21ksoftirqd/021:30:190
81490,0rcu_preempt3-21ksoftirqd/000:05:090
81490,0rcu_preempt29596-1kworker/0:0H00:30:000
2269199496,0cyclictest0-21swapper/022:31:160
81480,0rcu_preempt3-21ksoftirqd/023:50:180
81480,0rcu_preempt19-21ksoftirqd/121:21:281
10050480,0irq/346-484840019976-21ls20:40:000
81470,0rcu_preempt3-21ksoftirqd/022:46:480
81470,0rcu_preempt3-21ksoftirqd/000:20:300
81460,0rcu_preempt25977-21ping19:40:100
81460,0rcu_preempt25977-21ping19:40:100
81460,0rcu_preempt19-21ksoftirqd/123:05:111
81460,0rcu_preempt19-21ksoftirqd/100:00:171
81460,0rcu_preempt15682-21kworker/u4:121:28:410
2269199464,0cyclictest2562750kworker/0:0H19:20:000
2269199461,0cyclictest6520-21ping20:00:000
10050460,0irq/346-48484009505-21ssh00:35:030
81450,0rcu_preempt3-21ksoftirqd/023:40:170
81450,0rcu_preempt19-21ksoftirqd/121:34:131
81450,0rcu_preempt19-21ksoftirqd/100:07:471
81450,0rcu_preempt13474-21apt-get20:20:090
81450,0rcu_preempt10877-21ssh23:30:571
10050450,0irq/346-484840025977-21ping19:30:190
10050450,0irq/346-484840013299-1kworker/0:0H20:40:040
81440,0rcu_preempt3-21ksoftirqd/019:45:090
81440,0rcu_preempt19-21ksoftirqd/123:40:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional