You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-08 - 02:58

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 Fri May 08, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811300,0rcu_preempt3-21ksoftirqd/022:46:060
811080,0rcu_preempt3-21ksoftirqd/022:50:290
811080,0rcu_preempt3-21ksoftirqd/022:05:380
811040,0rcu_preempt3-21ksoftirqd/023:43:190
811040,0rcu_preempt3-21ksoftirqd/019:43:330
811030,0rcu_preempt3-21ksoftirqd/000:08:350
811020,0rcu_preempt3-21ksoftirqd/022:28:130
811020,0rcu_preempt3-21ksoftirqd/019:18:330
811010,0rcu_preempt3-21ksoftirqd/022:18:310
81990,0rcu_preempt3-21ksoftirqd/021:22:360
81980,0rcu_preempt3-21ksoftirqd/022:33:320
81940,0rcu_preempt3-21ksoftirqd/023:23:250
81920,0rcu_preempt3-21ksoftirqd/020:48:320
81850,0rcu_preempt3-21ksoftirqd/019:38:320
81850,0rcu_preempt3-21ksoftirqd/019:38:320
81850,0rcu_preempt3-21ksoftirqd/019:23:100
81840,0rcu_preempt3-21ksoftirqd/020:01:070
81810,0rcu_preempt3-21ksoftirqd/019:28:420
81800,0rcu_preempt3-21ksoftirqd/019:33:410
81800,0rcu_preempt3-21ksoftirqd/019:33:410
81790,0rcu_preempt5341-1kworker/0:1H22:58:290
81780,0rcu_preempt3-21ksoftirqd/023:48:310
81780,0rcu_preempt3-21ksoftirqd/019:56:480
81780,0rcu_preempt10398-21apt-get20:13:210
81770,0rcu_preempt3-21ksoftirqd/021:09:240
81770,0rcu_preempt26781-21kworker/0:000:33:340
81740,0rcu_preempt14653-21kworker/0:121:32:270
10050740,0irq/346-4848400171rcuc/121:44:491
81730,0rcu_preempt23448-21kworker/0:223:58:330
81730,0rcu_preempt13902-21kworker/0:220:25:040
10050730,0irq/346-4848400181ktimersoftd/100:19:591
81720,0rcu_preempt54-21kswapd000:18:490
81720,0rcu_preempt3-21ksoftirqd/021:53:540
81720,0rcu_preempt3-21ksoftirqd/000:03:220
81720,0rcu_preempt14393-21kworker/0:223:13:540
10050720,0irq/346-4848400181ktimersoftd/121:48:591
81710,0rcu_preempt9998-21kworker/0:120:53:310
81710,0rcu_preempt3-21ksoftirqd/020:43:320
10050710,0irq/346-4848400171rcuc/100:15:561
81700,0rcu_preempt20894-21ssh23:10:530
81700,0rcu_preempt12384-21kworker/0:121:58:340
81690,0rcu_preempt3-21ksoftirqd/022:54:520
81690,0rcu_preempt3-21ksoftirqd/022:39:010
81690,0rcu_preempt3-21ksoftirqd/022:23:280
81690,0rcu_preempt27244-21ssh22:12:170
81690,0rcu_preempt21789-21ps21:33:350
81680,0rcu_preempt3-21ksoftirqd/023:53:370
81680,0rcu_preempt3-21ksoftirqd/020:03:200
81680,0rcu_preempt31544-21ssh23:21:480
81680,0rcu_preempt13122-21kworker/u4:000:14:260
81680,0rcu_preempt12384-21kworker/0:122:17:560
81680,0rcu_preempt12384-21kworker/0:122:17:560
10050680,0irq/346-4848400181ktimersoftd/120:04:511
9950670,0irq/345-4848400171rcuc/123:57:201
81670,0rcu_preempt54-21kswapd023:06:360
81670,0rcu_preempt54-21kswapd023:06:360
81670,0rcu_preempt3-21ksoftirqd/021:23:340
81670,0rcu_preempt3-21ksoftirqd/020:08:360
81670,0rcu_preempt26781-21kworker/0:000:25:090
81670,0rcu_preempt1-21init21:49:290
81660,0rcu_preempt54-21kswapd021:38:350
81660,0rcu_preempt3-21ksoftirqd/023:34:250
81660,0rcu_preempt3-21ksoftirqd/021:45:300
81660,0rcu_preempt3-21ksoftirqd/000:28:340
81660,0rcu_preempt18812-21ssh23:41:380
10050660,0irq/346-4848400181ktimersoftd/123:13:431
81650,0rcu_preempt9274-21kworker/0:119:13:340
81650,0rcu_preempt3-21ksoftirqd/023:30:080
81650,0rcu_preempt3-21ksoftirqd/021:13:200
81650,0rcu_preempt0-21swapper/021:06:440
81620,0rcu_preempt3-21ksoftirqd/019:08:090
81620,0rcu_preempt0-21swapper/020:33:230
10050620,0irq/346-4848400181ktimersoftd/123:40:511
10050620,0irq/346-4848400171rcuc/100:26:211
81610,0rcu_preempt3-21ksoftirqd/020:18:230
81600,0rcu_preempt3-21ksoftirqd/020:28:210
81600,0rcu_preempt3-21ksoftirqd/019:48:300
10050600,0irq/346-48484007933-1kworker/1:3H22:26:331
10050600,0irq/346-4848400181ktimersoftd/123:02:311
81590,0rcu_preempt3-21ksoftirqd/020:38:270
10050590,0irq/346-4848400181ktimersoftd/123:34:091
10050590,0irq/346-4848400181ktimersoftd/121:40:501
10050590,0irq/346-484840013130-1kworker/1:2H21:28:041
10050580,0irq/346-48484003218-1kworker/1:0H21:16:251
10050580,0irq/346-484840022886-1kworker/1:0H22:44:011
10050580,0irq/346-4848400181ktimersoftd/123:49:151
10050580,0irq/346-4848400171rcuc/122:49:051
9950570,0irq/345-4848400181ktimersoftd/122:03:381
10050570,0irq/346-4848400171rcuc/122:12:241
81560,0rcu_preempt0-21swapper/020:58:280
10050560,0irq/346-484840028329-21diskmemload21:09:441
10050560,0irq/346-484840022650-1kworker/1:2H00:04:451
10050550,0irq/346-484840054-21kswapd023:10:271
10050550,0irq/346-484840054-21kswapd000:32:341
10050550,0irq/346-4848400181ktimersoftd/122:20:021
10050540,0irq/346-48484007933-1kworker/1:3H22:28:141
10050540,0irq/346-484840054-21kswapd022:15:041
10050540,0irq/346-484840054-21kswapd022:15:041
10050540,0irq/346-4848400181ktimersoftd/122:41:271
10050540,0irq/346-4848400171rcuc/121:34:341
10050540,0irq/346-4848400171rcuc/100:37:251
10050540,0irq/346-484840012710-1kworker/1:3H23:43:221
81530,0rcu_preempt3-21ksoftirqd/019:08:360
81530,0rcu_preempt3-21ksoftirqd/019:08:360
10050530,0irq/346-4848400181ktimersoftd/123:29:391
10050520,0irq/346-4848400181ktimersoftd/100:09:081
10050520,0irq/346-484840015483-1kworker/1:2H22:02:591
10050520,0irq/346-484840010485-1kworker/1:1H21:57:341
10050510,0irq/346-484840054-21kswapd023:25:171
10050510,0irq/346-484840054-21kswapd000:01:371
10050490,0irq/346-484840019405-21ssh22:36:581
10050490,0irq/346-4848400181ktimersoftd/119:27:251
10050470,0irq/346-484840018092-1kworker/1:1H21:31:291
10050470,0irq/346-484840016311-21ssh23:06:241
10050470,0irq/346-484840016311-21ssh23:06:241
10050460,0irq/346-484840030323-21ssh23:20:121
9950450,0irq/345-4848400181ktimersoftd/119:54:321
10050440,0irq/346-4848400851-21rngd20:48:241
10050430,0irq/346-48484008914-21ssh21:20:441
10050430,0irq/346-48484005343-1kworker/1:3H22:55:321
81400,0rcu_preempt19-21ksoftirqd/120:28:301
10050400,0irq/346-48484000-21swapper/120:15:361
81380,0rcu_preempt19-21ksoftirqd/119:04:051
81370,0rcu_preempt21337-21cyclictest21:03:081
10050370,0irq/346-4848400603-21wget19:43:231
81360,0rcu_preempt19-21ksoftirqd/119:33:251
81360,0rcu_preempt19-21ksoftirqd/119:33:251
10050340,0irq/346-48484000-21swapper/119:58:321
81330,0rcu_preempt21337-21cyclictest19:30:361
10050330,0irq/346-48484000-21swapper/121:03:331
10050330,0irq/346-48484000-21swapper/119:38:301
10050330,0irq/346-48484000-21swapper/119:38:301
10050330,0irq/346-48484000-21swapper/119:15:311
10050320,0irq/346-484840013688-21munin-node1
10050320,0irq/346-48484000-21swapper/120:56:251
10050310,0irq/346-48484000-21swapper/120:45:001
10050310,0irq/346-48484000-21swapper/120:38:221
81300,0rcu_preempt19-21ksoftirqd/119:48:311
81290,0rcu_preempt19-21ksoftirqd/120:18:351
10050290,0irq/346-484840024618-21ping19:20:131
10050290,0irq/346-48484000-21swapper/120:35:461
10050270,0irq/346-48484000-21swapper/120:13:081
10050270,0irq/346-48484000-21swapper/119:08:241
10050270,0irq/346-48484000-21swapper/119:08:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional