You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-21 - 08:47

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 highest latencies:
System rackaslot5s.osadl.org (updated Sat Mar 21, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81910,0rcu_preempt3-21ksoftirqd/021:54:040
81850,0rcu_preempt3-21ksoftirqd/021:44:210
81830,0rcu_preempt3-21ksoftirqd/023:10:140
81830,0rcu_preempt3-21ksoftirqd/021:29:110
81800,0rcu_preempt3-21ksoftirqd/022:49:200
81780,0rcu_preempt3-21ksoftirqd/023:48:580
81780,0rcu_preempt3-21ksoftirqd/022:38:220
81770,0rcu_preempt3-21ksoftirqd/022:11:550
81770,0rcu_preempt3-21ksoftirqd/021:38:070
10050770,0irq/346-4848400181ktimersoftd/121:20:241
10050750,0irq/346-4848400171rcuc/122:34:281
81740,0rcu_preempt3-21ksoftirqd/022:02:080
81740,0rcu_preempt3-21ksoftirqd/021:38:550
81730,0rcu_preempt3-21ksoftirqd/020:04:150
81730,0rcu_preempt3-21ksoftirqd/000:28:540
81720,0rcu_preempt3-21ksoftirqd/020:39:210
81720,0rcu_preempt3-21ksoftirqd/020:09:220
81720,0rcu_preempt3-21ksoftirqd/000:13:100
81720,0rcu_preempt3-21ksoftirqd/000:13:100
10050720,0irq/346-4848400181ktimersoftd/122:21:141
10050720,0irq/346-4848400181ktimersoftd/122:21:141
81710,0rcu_preempt3-21ksoftirqd/021:20:410
81700,0rcu_preempt3-21ksoftirqd/023:33:040
81700,0rcu_preempt3-21ksoftirqd/021:09:060
81690,0rcu_preempt3-21ksoftirqd/020:49:120
81690,0rcu_preempt3-21ksoftirqd/000:31:240
9950680,0irq/345-4848400171rcuc/122:45:191
81680,0rcu_preempt3-21ksoftirqd/022:54:060
81680,0rcu_preempt3-21ksoftirqd/022:26:180
81680,0rcu_preempt3-21ksoftirqd/022:21:500
81680,0rcu_preempt3-21ksoftirqd/022:21:500
81680,0rcu_preempt3-21ksoftirqd/021:14:070
81680,0rcu_preempt3-21ksoftirqd/000:04:100
81680,0rcu_preempt3-21ksoftirqd/000:01:040
81670,0rcu_preempt3-21ksoftirqd/022:14:430
10050670,0irq/346-4848400171rcuc/100:06:351
81660,0rcu_preempt3-21ksoftirqd/022:59:140
81660,0rcu_preempt3-21ksoftirqd/019:09:140
81650,0rcu_preempt851-21rngd19:45:590
81630,0rcu_preempt3-21ksoftirqd/000:38:540
81620,0rcu_preempt3-21ksoftirqd/023:08:130
81620,0rcu_preempt3-21ksoftirqd/020:25:130
81610,0rcu_preempt3-21ksoftirqd/023:19:060
81610,0rcu_preempt3-21ksoftirqd/020:59:210
10050610,0irq/346-48484009260-1kworker/1:2H00:27:391
10050610,0irq/346-484840054-21kswapd022:00:191
10050610,0irq/346-484840054-21kswapd021:31:001
10050610,0irq/346-484840030513-1kworker/1:2H22:04:501
81600,0rcu_preempt3-21ksoftirqd/022:08:080
81600,0rcu_preempt3-21ksoftirqd/021:53:060
10050600,0irq/346-48484002768-1kworker/1:1H23:48:301
10050600,0irq/346-484840022383-1kworker/1:1H22:28:481
10050600,0irq/346-484840011135-1kworker/1:1H21:43:221
81590,0rcu_preempt3-21ksoftirqd/023:56:330
81590,0rcu_preempt3-21ksoftirqd/022:31:070
81590,0rcu_preempt3-21ksoftirqd/019:37:210
81590,0rcu_preempt3-21ksoftirqd/000:14:530
10050590,0irq/346-484840017340-1kworker/1:1H00:00:491
10050590,0irq/346-484840013995-1kworker/1:1H21:10:171
81580,0rcu_preempt3-21ksoftirqd/023:39:020
81580,0rcu_preempt3-21ksoftirqd/023:15:360
81580,0rcu_preempt3-21ksoftirqd/019:33:190
10050580,0irq/346-48484006204-1kworker/1:2H23:35:301
10050580,0irq/346-484840030358-1kworker/1:2H23:43:011
10050580,0irq/346-4848400171rcuc/100:36:161
81570,0rcu_preempt3-21ksoftirqd/021:24:070
81570,0rcu_preempt3-21ksoftirqd/019:08:550
10050570,0irq/346-4848400851-21rngd22:45:400
10050570,0irq/346-48484007645-1kworker/1:3H23:55:091
10050560,0irq/346-48484009428-1kworker/1:2H22:49:511
10050560,0irq/346-484840025644-1kworker/1:0H21:57:121
10050550,0irq/346-48484007645-1kworker/1:3H23:53:141
10050550,0irq/346-484840054-21kswapd022:11:151
10050550,0irq/346-484840015902-1kworker/0:2H23:34:210
10050550,0irq/346-48484001309-1kworker/1:0H23:14:571
81540,0rcu_preempt3-21ksoftirqd/022:41:080
81540,0rcu_preempt3-21ksoftirqd/020:19:220
81540,0rcu_preempt3-21ksoftirqd/019:39:230
10050540,0irq/346-484840054-21kswapd000:15:111
10050540,0irq/346-48484004623-1kworker/1:1H22:41:111
10050540,0irq/346-48484004414-1kworker/1:1H00:21:001
10050540,0irq/346-484840021654-21runrttasks19:59:121
10050540,0irq/346-484840018933-1kworker/1:0H21:17:431
10050540,0irq/346-484840015903-1kworker/1:1H23:27:131
10050540,0irq/346-484840015902-1kworker/0:2H23:26:110
81530,0rcu_preempt4860-21cyclictest20:29:050
81530,0rcu_preempt3-21ksoftirqd/023:48:210
10050530,0irq/346-484840015994-1kworker/1:2H21:50:081
10050530,0irq/346-48484001309-1kworker/1:0H23:12:021
10050530,0irq/346-48484001260-1kworker/1:1H21:35:111
81520,0rcu_preempt7238-21dropbear20:54:070
81520,0rcu_preempt3-21ksoftirqd/020:44:080
81520,0rcu_preempt3-21ksoftirqd/000:23:500
10050520,0irq/346-484840054-21kswapd023:33:041
10050520,0irq/346-484840054-21kswapd023:04:521
10050520,0irq/346-484840026544-21ls23:03:541
81510,0rcu_preempt3-21ksoftirqd/019:23:480
10050500,0irq/346-48484007790-1kworker/1:2H22:14:501
10050500,0irq/346-484840028209-21ssh21:24:321
81490,0rcu_preempt3-21ksoftirqd/020:14:150
10050490,0irq/346-484840027267-1kworker/1:0H22:30:351
81470,0rcu_preempt3-21ksoftirqd/021:04:190
81470,0rcu_preempt3-21ksoftirqd/020:34:080
10050470,0irq/346-484840015994-1kworker/1:2H21:48:451
10050470,0irq/346-48484000-21swapper/123:23:381
81460,0rcu_preempt3-21ksoftirqd/019:59:220
81450,0rcu_preempt18322-21df_inode19:49:090
10050450,0irq/346-484840019170-1kworker/1:2H22:56:431
81440,0rcu_preempt19-21ksoftirqd/119:29:231
10050440,0irq/346-48484008139-21ping19:24:301
10050440,0irq/346-484840011742-21ssh00:28:581
10050430,0irq/346-484840020916-21dropbear19:55:250
81420,0rcu_preempt19-21ksoftirqd/119:04:051
10050420,0irq/346-484840022222-1kworker/1:0H00:09:031
10050420,0irq/346-484840022222-1kworker/1:0H00:09:031
81410,0rcu_preempt19948-21df_abs19:54:091
81410,0rcu_preempt19-21ksoftirqd/120:24:081
81400,0rcu_preempt7734-21ntp_states20:54:171
81400,0rcu_preempt19-21ksoftirqd/120:14:121
81400,0rcu_preempt19-21ksoftirqd/120:09:081
10050400,0irq/346-48484007714-21runrttasks19:14:360
81390,0rcu_preempt19-21ksoftirqd/120:29:061
4863993919,0cyclictest0-21swapper/120:59:061
81380,0rcu_preempt19-21ksoftirqd/120:04:131
81380,0rcu_preempt19-21ksoftirqd/119:44:011
81380,0rcu_preempt19-21ksoftirqd/119:39:091
81380,0rcu_preempt19-21ksoftirqd/119:19:591
10050380,0irq/346-48484008139-21ping19:34:251
81370,0rcu_preempt19-21ksoftirqd/120:49:111
81370,0rcu_preempt19-21ksoftirqd/120:34:111
81370,0rcu_preempt19-21ksoftirqd/120:19:151
4863993715,0cyclictest3966-21munin-node1
4862993712,0cyclictest8139-21ping19:24:050
81360,0rcu_preempt19-21ksoftirqd/119:49:181
81350,0rcu_preempt19-21ksoftirqd/121:04:311
81340,0rcu_preempt19-21ksoftirqd/119:14:161
81340,0rcu_preempt19-21ksoftirqd/119:09:191
81320,0rcu_preempt19-21ksoftirqd/120:39:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional