You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-31 - 18:33

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 Sun May 31, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811150,0rcu_preempt3-21ksoftirqd/007:28:100
811140,0rcu_preempt3-21ksoftirqd/008:38:330
811120,0rcu_preempt3-21ksoftirqd/010:08:100
811110,0rcu_preempt3-21ksoftirqd/010:45:580
811020,0rcu_preempt3-21ksoftirqd/007:33:010
811010,0rcu_preempt3-21ksoftirqd/010:03:090
81980,0rcu_preempt3-21ksoftirqd/012:35:180
81980,0rcu_preempt3-21ksoftirqd/011:48:110
81870,0rcu_preempt3-21ksoftirqd/011:41:500
81860,0rcu_preempt3-21ksoftirqd/009:21:410
81830,0rcu_preempt3-21ksoftirqd/009:25:100
81770,0rcu_preempt3-21ksoftirqd/010:53:020
81770,0rcu_preempt3-21ksoftirqd/009:13:030
81760,0rcu_preempt3-21ksoftirqd/009:10:200
81760,0rcu_preempt19-21ksoftirqd/111:43:051
81760,0rcu_preempt19-21ksoftirqd/110:38:131
81750,0rcu_preempt3156-21cyclictest10:33:140
81740,0rcu_preempt3-21ksoftirqd/012:03:060
81740,0rcu_preempt3-21ksoftirqd/011:58:090
81740,0rcu_preempt3-21ksoftirqd/010:23:010
81730,0rcu_preempt3-21ksoftirqd/011:57:130
81730,0rcu_preempt3-21ksoftirqd/011:30:470
81730,0rcu_preempt3-21ksoftirqd/009:58:020
81730,0rcu_preempt3-21ksoftirqd/009:36:480
81730,0rcu_preempt3-21ksoftirqd/007:18:050
81720,0rcu_preempt3-21ksoftirqd/011:16:530
81720,0rcu_preempt3-21ksoftirqd/010:30:360
81720,0rcu_preempt3-21ksoftirqd/009:27:560
81720,0rcu_preempt3-21ksoftirqd/007:39:200
81710,0rcu_preempt3-21ksoftirqd/012:18:030
81710,0rcu_preempt3-21ksoftirqd/011:36:150
81710,0rcu_preempt3-21ksoftirqd/008:57:580
81710,0rcu_preempt3-21ksoftirqd/007:47:590
81710,0rcu_preempt3-21ksoftirqd/007:12:590
81710,0rcu_preempt19-21ksoftirqd/108:23:131
81700,0rcu_preempt54-21kswapd012:08:000
81700,0rcu_preempt3-21ksoftirqd/009:52:500
81700,0rcu_preempt19-21ksoftirqd/111:53:071
81690,0rcu_preempt54-21kswapd011:27:440
81690,0rcu_preempt3-21ksoftirqd/009:41:340
81690,0rcu_preempt21373-21apt-get08:02:570
81680,0rcu_preempt3-21ksoftirqd/010:49:310
81670,0rcu_preempt3-21ksoftirqd/012:13:020
81670,0rcu_preempt3-21ksoftirqd/011:03:070
81670,0rcu_preempt3-21ksoftirqd/008:22:470
81670,0rcu_preempt3-21ksoftirqd/008:18:010
81660,0rcu_preempt3-21ksoftirqd/007:53:030
81650,0rcu_preempt3-21ksoftirqd/010:57:500
81650,0rcu_preempt3-21ksoftirqd/009:49:290
81650,0rcu_preempt3-21ksoftirqd/008:33:100
81650,0rcu_preempt19-21ksoftirqd/111:40:401
81640,0rcu_preempt3-21ksoftirqd/012:28:090
81640,0rcu_preempt3-21ksoftirqd/012:23:040
81630,0rcu_preempt3-21ksoftirqd/008:53:050
81630,0rcu_preempt19-21ksoftirqd/110:07:571
10050630,0irq/346-484840032004-1kworker/1:1H10:37:081
81620,0rcu_preempt54-21kswapd009:42:580
81620,0rcu_preempt3-21ksoftirqd/010:13:160
10050620,0irq/346-48484006858-1kworker/1:2H11:15:561
81610,0rcu_preempt3-21ksoftirqd/007:23:530
81610,0rcu_preempt19-21ksoftirqd/112:33:561
81610,0rcu_preempt0-21swapper/008:48:100
10050610,0irq/346-48484009510-1kworker/1:3H10:48:051
10050610,0irq/346-484840054-21kswapd011:36:581
10050610,0irq/346-48484004536-1kworker/1:2H10:43:461
10050610,0irq/346-48484001577-1kworker/1:0H12:14:551
81600,0rcu_preempt3-21ksoftirqd/011:20:250
81600,0rcu_preempt3-21ksoftirqd/011:08:130
81600,0rcu_preempt3-21ksoftirqd/008:01:240
81600,0rcu_preempt3-21ksoftirqd/007:07:460
10050600,0irq/346-484840024762-1kworker/1:2H09:57:361
10050600,0irq/346-484840024431-1kworker/1:1H11:03:541
81590,0rcu_preempt19322-21ping08:13:030
10050590,0irq/346-484840054-21kswapd009:11:261
10050590,0irq/346-484840022419-1kworker/1:1H09:20:351
10050590,0irq/346-484840019141-1kworker/1:3H12:01:311
10050590,0irq/346-484840017488-1kworker/1:0H09:14:371
81580,0rcu_preempt3-21ksoftirqd/011:43:100
81580,0rcu_preempt3-21ksoftirqd/010:38:350
81580,0rcu_preempt19-21ksoftirqd/112:18:541
81580,0rcu_preempt19-21ksoftirqd/110:58:051
10050580,0irq/346-484840024762-1kworker/1:2H09:58:341
81570,0rcu_preempt3-21ksoftirqd/009:03:060
81570,0rcu_preempt3-21ksoftirqd/008:28:030
81570,0rcu_preempt3-21ksoftirqd/008:12:450
81570,0rcu_preempt3-21ksoftirqd/007:44:250
10050570,0irq/346-48484002259-1kworker/1:2H10:07:001
10050570,0irq/346-484840016804-1kworker/1:2H11:49:381
10050570,0irq/346-484840012185-1kworker/1:3H10:19:361
81560,0rcu_preempt19-21ksoftirqd/110:53:071
10050560,0irq/346-484840032310-1kworker/1:1H09:31:521
10050560,0irq/346-484840019141-1kworker/1:3H12:30:381
10050560,0irq/346-484840014823-1kworker/1:1H09:49:081
10050550,0irq/346-484840022419-1kworker/1:1H09:24:091
10050550,0irq/346-484840022076-1kworker/1:1H10:26:041
10050550,0irq/346-484840014823-1kworker/1:1H09:45:121
81540,0rcu_preempt3-21ksoftirqd/010:17:470
10050540,0irq/346-48484006858-1kworker/1:2H11:19:361
10050540,0irq/346-484840029388-1kworker/1:0H11:09:201
10050530,0irq/346-48484009856-1kworker/1:0H09:39:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional