You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-02 - 08:48

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 Thu Apr 02, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81900,0rcu_preempt19-21ksoftirqd/121:44:121
81870,0rcu_preempt19-21ksoftirqd/100:03:191
81810,0rcu_preempt19-21ksoftirqd/123:32:011
81790,0rcu_preempt19-21ksoftirqd/120:13:551
81790,0rcu_preempt19-21ksoftirqd/100:14:431
81780,0rcu_preempt54-21kswapd000:34:411
81780,0rcu_preempt19-21ksoftirqd/123:35:191
81780,0rcu_preempt19-21ksoftirqd/100:09:041
81750,0rcu_preempt0-21swapper/121:56:591
81740,0rcu_preempt19-21ksoftirqd/120:34:061
81740,0rcu_preempt19-21ksoftirqd/120:34:061
81730,0rcu_preempt19-21ksoftirqd/122:11:161
81730,0rcu_preempt19-21ksoftirqd/100:08:151
10050730,0irq/346-4848400171rcuc/123:51:011
81720,0rcu_preempt19-21ksoftirqd/122:21:371
81720,0rcu_preempt19-21ksoftirqd/121:35:591
81720,0rcu_preempt19-21ksoftirqd/100:29:381
81710,0rcu_preempt3-21ksoftirqd/022:21:220
81710,0rcu_preempt19-21ksoftirqd/122:26:121
81710,0rcu_preempt19-21ksoftirqd/100:27:121
81700,0rcu_preempt851-21rngd22:14:491
81690,0rcu_preempt3-21ksoftirqd/022:38:580
81690,0rcu_preempt19-21ksoftirqd/123:26:371
81690,0rcu_preempt19-21ksoftirqd/123:26:371
81690,0rcu_preempt19-21ksoftirqd/123:11:141
81690,0rcu_preempt19-21ksoftirqd/120:03:561
81680,0rcu_preempt19-21ksoftirqd/123:00:191
81680,0rcu_preempt19-21ksoftirqd/122:46:541
81680,0rcu_preempt19-21ksoftirqd/122:46:541
81680,0rcu_preempt0-21swapper/123:56:531
81680,0rcu_preempt0-21swapper/100:19:291
81670,0rcu_preempt3-21ksoftirqd/022:06:410
81670,0rcu_preempt19-21ksoftirqd/123:20:011
81670,0rcu_preempt19-21ksoftirqd/120:27:201
81670,0rcu_preempt19-21ksoftirqd/119:13:411
81670,0rcu_preempt0-21swapper/121:32:431
81650,0rcu_preempt19-21ksoftirqd/122:52:111
81650,0rcu_preempt19-21ksoftirqd/122:01:191
81650,0rcu_preempt19-21ksoftirqd/120:19:091
81640,0rcu_preempt54-21kswapd021:32:010
81640,0rcu_preempt3-21ksoftirqd/023:14:110
81640,0rcu_preempt19-21ksoftirqd/121:16:351
10050640,0irq/346-48484002926-1kworker/0:0H23:29:060
81630,0rcu_preempt20760-21apt-get22:38:541
81630,0rcu_preempt19-21ksoftirqd/121:51:201
81630,0rcu_preempt19-21ksoftirqd/121:11:491
81620,0rcu_preempt3-21ksoftirqd/023:05:260
81620,0rcu_preempt3-21ksoftirqd/019:54:090
81620,0rcu_preempt19-21ksoftirqd/122:54:551
81620,0rcu_preempt19-21ksoftirqd/121:28:271
81620,0rcu_preempt19-21ksoftirqd/120:59:081
81610,0rcu_preempt54-21kswapd023:53:430
81610,0rcu_preempt3-21ksoftirqd/023:35:270
81610,0rcu_preempt19-21ksoftirqd/122:34:011
81610,0rcu_preempt19-21ksoftirqd/120:28:531
81610,0rcu_preempt19-21ksoftirqd/119:14:051
81600,0rcu_preempt3-21ksoftirqd/023:57:270
81600,0rcu_preempt3-21ksoftirqd/021:27:510
81600,0rcu_preempt3-21ksoftirqd/000:30:000
81600,0rcu_preempt19-21ksoftirqd/123:07:351
81600,0rcu_preempt19-21ksoftirqd/120:11:271
81590,0rcu_preempt19-21ksoftirqd/123:38:571
81590,0rcu_preempt19-21ksoftirqd/122:32:501
81590,0rcu_preempt19-21ksoftirqd/122:04:551
81590,0rcu_preempt19-21ksoftirqd/121:39:111
81590,0rcu_preempt19-21ksoftirqd/121:23:321
81590,0rcu_preempt19-21ksoftirqd/120:49:071
81590,0rcu_preempt19-21ksoftirqd/120:00:131
81580,0rcu_preempt3-21ksoftirqd/023:24:160
81580,0rcu_preempt3-21ksoftirqd/023:24:160
81580,0rcu_preempt19-21ksoftirqd/119:54:001
81570,0rcu_preempt3-21ksoftirqd/022:00:120
81570,0rcu_preempt19-21ksoftirqd/119:19:021
81560,0rcu_preempt3-21ksoftirqd/000:04:100
81560,0rcu_preempt19-21ksoftirqd/123:17:161
81550,0rcu_preempt19-21ksoftirqd/120:39:371
81540,0rcu_preempt3-21ksoftirqd/022:09:110
81540,0rcu_preempt25401-21ping19:34:091
81540,0rcu_preempt19-21ksoftirqd/121:04:021
10050540,0irq/346-48484002757-1kworker/0:0H22:58:210
81530,0rcu_preempt3-21ksoftirqd/023:19:110
81530,0rcu_preempt19-21ksoftirqd/120:44:071
10050530,0irq/346-484840054-21kswapd019:30:331
81520,0rcu_preempt3-21ksoftirqd/021:43:560
81510,0rcu_preempt3-21ksoftirqd/021:48:550
81510,0rcu_preempt3-21ksoftirqd/019:28:530
81510,0rcu_preempt19-21ksoftirqd/120:54:001
10050510,0irq/346-48484008238-1kworker/0:2H23:12:100
10050510,0irq/346-484840054-21kswapd023:44:381
81500,0rcu_preempt3-21ksoftirqd/022:49:080
81500,0rcu_preempt3-21ksoftirqd/022:28:550
81500,0rcu_preempt19949-21kworker/0:221:41:510
81500,0rcu_preempt19-21ksoftirqd/119:43:441
81500,0rcu_preempt17558-21kworker/0:121:19:130
81490,0rcu_preempt9260-21kworker/0:120:14:080
81490,0rcu_preempt3-21ksoftirqd/000:34:060
81490,0rcu_preempt27892-21kworker/0:022:36:340
81490,0rcu_preempt19-21ksoftirqd/119:04:061
10050490,0irq/346-484840054-21kswapd022:44:090
10050490,0irq/346-484840054-21kswapd022:44:090
10050490,0irq/346-484840011369-1kworker/0:1H21:56:540
81480,0rcu_preempt3-21ksoftirqd/020:24:130
81480,0rcu_preempt3-21ksoftirqd/019:07:530
81480,0rcu_preempt3-21ksoftirqd/000:18:500
81480,0rcu_preempt3-21ksoftirqd/000:11:590
81470,0rcu_preempt3-21ksoftirqd/023:39:010
81470,0rcu_preempt3-21ksoftirqd/023:03:010
81470,0rcu_preempt3-21ksoftirqd/020:29:070
81470,0rcu_preempt3-21ksoftirqd/000:27:000
81470,0rcu_preempt3-21ksoftirqd/000:03:360
81470,0rcu_preempt2287-21kworker/0:123:48:340
276212470,0chrt27184-1kworker/0:2H21:03:540
10050470,0irq/346-484840022260-21ssh21:34:040
81460,0rcu_preempt3-21ksoftirqd/022:24:110
81460,0rcu_preempt3-21ksoftirqd/019:18:430
81460,0rcu_preempt3-21ksoftirqd/019:09:030
81460,0rcu_preempt19-21ksoftirqd/119:24:271
10050460,0irq/346-48484000-21swapper/021:11:530
81450,0rcu_preempt29100-21diskmemload00:14:400
81440,0rcu_preempt3-21ksoftirqd/021:14:230
81440,0rcu_preempt3-21ksoftirqd/020:09:060
81440,0rcu_preempt3-21ksoftirqd/019:58:440
81440,0rcu_preempt19-21ksoftirqd/119:42:141
81430,0rcu_preempt3-21ksoftirqd/022:13:440
81430,0rcu_preempt3-21ksoftirqd/020:48:580
81430,0rcu_preempt3-21ksoftirqd/020:33:440
81430,0rcu_preempt3-21ksoftirqd/020:33:440
81430,0rcu_preempt3-21ksoftirqd/020:08:440
81420,0rcu_preempt3-21ksoftirqd/019:49:090
81420,0rcu_preempt12838-21sshd20:18:530
10050420,0irq/346-48484000-21swapper/019:25:320
81410,0rcu_preempt3-21ksoftirqd/020:44:050
81410,0rcu_preempt3-21ksoftirqd/020:39:030
81410,0rcu_preempt3-21ksoftirqd/019:44:150
81410,0rcu_preempt19-21ksoftirqd/119:49:201
81400,0rcu_preempt3-21ksoftirqd/020:58:560
81400,0rcu_preempt3-21ksoftirqd/020:53:440
81400,0rcu_preempt3-21ksoftirqd/019:35:150
81400,0rcu_preempt25401-21ping19:38:540
81400,0rcu_preempt1470-21runrttasks19:18:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional