You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-23 - 20:38

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 Sep 18, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811520,0rcu_preempt19-21ksoftirqd/107:20:001
811470,0rcu_preempt19-21ksoftirqd/107:30:331
811410,0rcu_preempt19-21ksoftirqd/112:39:591
811330,0rcu_preempt3758-1kworker/1:1H10:20:221
811330,0rcu_preempt19-21ksoftirqd/107:45:331
811310,0rcu_preempt19-21ksoftirqd/107:25:171
811280,0rcu_preempt19-21ksoftirqd/107:36:361
811250,0rcu_preempt19-21ksoftirqd/107:20:141
811210,0rcu_preempt15991-1kworker/1:2H09:25:311
811180,0rcu_preempt3-21ksoftirqd/011:05:200
811180,0rcu_preempt19-21ksoftirqd/111:20:131
811160,0rcu_preempt19-21ksoftirqd/109:40:301
811160,0rcu_preempt19-21ksoftirqd/109:40:301
811110,0rcu_preempt19-21ksoftirqd/110:10:311
811100,0rcu_preempt19-21ksoftirqd/111:44:281
811090,0rcu_preempt19-21ksoftirqd/109:30:301
811070,0rcu_preempt19-21ksoftirqd/111:15:211
811070,0rcu_preempt19-21ksoftirqd/109:15:161
811060,0rcu_preempt3-21ksoftirqd/009:49:150
811060,0rcu_preempt19-21ksoftirqd/112:30:091
811050,0rcu_preempt32609-1kworker/1:2H07:40:251
811050,0rcu_preempt3-21ksoftirqd/011:40:220
811050,0rcu_preempt19-21ksoftirqd/111:46:111
811050,0rcu_preempt19-21ksoftirqd/110:45:231
811040,0rcu_preempt19-21ksoftirqd/112:14:591
811040,0rcu_preempt19-21ksoftirqd/111:10:311
811040,0rcu_preempt19-21ksoftirqd/109:55:261
811020,0rcu_preempt19-21ksoftirqd/110:05:151
811020,0rcu_preempt14547-1kworker/1:2H10:35:241
81990,0rcu_preempt3-21ksoftirqd/012:20:100
81990,0rcu_preempt19-21ksoftirqd/110:55:211
81970,0rcu_preempt14547-1kworker/1:2H10:33:171
81960,0rcu_preempt3-21ksoftirqd/011:30:000
81910,0rcu_preempt3-21ksoftirqd/009:35:130
81910,0rcu_preempt19-21ksoftirqd/109:46:141
81910,0rcu_preempt19-21ksoftirqd/109:05:131
81900,0rcu_preempt19-21ksoftirqd/112:20:301
81890,0rcu_preempt19-21ksoftirqd/110:44:591
81890,0rcu_preempt19-21ksoftirqd/109:24:591
81890,0rcu_preempt19-21ksoftirqd/108:49:591
81880,0rcu_preempt19-21ksoftirqd/111:35:311
81880,0rcu_preempt19-21ksoftirqd/111:29:591
81870,0rcu_preempt19-21ksoftirqd/112:05:131
81870,0rcu_preempt19-21ksoftirqd/112:00:201
81870,0rcu_preempt19-21ksoftirqd/111:55:271
81870,0rcu_preempt19-21ksoftirqd/110:15:171
81870,0rcu_preempt19-21ksoftirqd/109:50:191
81870,0rcu_preempt19-21ksoftirqd/109:35:251
81850,0rcu_preempt3-21ksoftirqd/011:15:230
81850,0rcu_preempt3-21ksoftirqd/009:40:220
81850,0rcu_preempt3-21ksoftirqd/009:40:220
81840,0rcu_preempt5281-1kworker/1:0H09:10:351
81840,0rcu_preempt3-21ksoftirqd/012:15:090
81830,0rcu_preempt3-21ksoftirqd/010:03:320
81830,0rcu_preempt3-21ksoftirqd/008:45:220
81830,0rcu_preempt19-21ksoftirqd/110:00:291
81830,0rcu_preempt19-21ksoftirqd/108:25:241
81820,0rcu_preempt19-21ksoftirqd/112:16:511
81820,0rcu_preempt19-21ksoftirqd/110:50:291
81810,0rcu_preempt19-21ksoftirqd/108:45:151
81810,0rcu_preempt19-21ksoftirqd/108:00:241
81810,0rcu_preempt19-21ksoftirqd/108:00:011
81810,0rcu_preempt19-21ksoftirqd/108:00:011
81800,0rcu_preempt3-21ksoftirqd/012:35:280
81800,0rcu_preempt19-21ksoftirqd/111:34:591
81800,0rcu_preempt19085-21kworker/0:211:04:210
81790,0rcu_preempt19-21ksoftirqd/108:14:581
81780,0rcu_preempt3-21ksoftirqd/010:20:090
81780,0rcu_preempt19-21ksoftirqd/110:25:181
81770,0rcu_preempt3-21ksoftirqd/009:15:280
81770,0rcu_preempt19-21ksoftirqd/111:05:311
81760,0rcu_preempt19-21ksoftirqd/111:00:301
81750,0rcu_preempt3-21ksoftirqd/009:20:310
81750,0rcu_preempt19-21ksoftirqd/107:09:591
81740,0rcu_preempt5090-21diskmemload11:10:280
81740,0rcu_preempt19-21ksoftirqd/108:20:111
81730,0rcu_preempt3-21ksoftirqd/009:50:110
81730,0rcu_preempt19-21ksoftirqd/111:50:111
81730,0rcu_preempt19-21ksoftirqd/109:00:011
81720,0rcu_preempt3-21ksoftirqd/008:20:000
81710,0rcu_preempt3-21ksoftirqd/010:30:000
81710,0rcu_preempt3-21ksoftirqd/009:10:250
81700,0rcu_preempt3-21ksoftirqd/012:34:590
81700,0rcu_preempt3-21ksoftirqd/010:10:310
81690,0rcu_preempt3-21ksoftirqd/008:05:000
81670,0rcu_preempt3-21ksoftirqd/011:55:300
81670,0rcu_preempt19-21ksoftirqd/108:35:161
81650,0rcu_preempt3-21ksoftirqd/012:29:170
81650,0rcu_preempt3-21ksoftirqd/010:32:350
81650,0rcu_preempt19-21ksoftirqd/107:50:201
81640,0rcu_preempt3-21ksoftirqd/012:03:240
81640,0rcu_preempt3-21ksoftirqd/011:25:280
81640,0rcu_preempt19-21ksoftirqd/108:55:001
81640,0rcu_preempt19-21ksoftirqd/108:40:101
81640,0rcu_preempt19-21ksoftirqd/108:35:001
3059999632,0cyclictest14760-21grep08:00:120
81620,0rcu_preempt3-21ksoftirqd/012:06:280
81610,0rcu_preempt3-21ksoftirqd/007:58:380
81610,0rcu_preempt3-21ksoftirqd/007:58:380
81600,0rcu_preempt954-21ssh10:16:370
81590,0rcu_preempt3-21ksoftirqd/010:35:230
81590,0rcu_preempt19-21ksoftirqd/112:25:291
10050580,0irq/346-4848400763-21rngd10:50:110
81570,0rcu_preempt3-21ksoftirqd/011:24:570
81570,0rcu_preempt3-21ksoftirqd/009:56:580
81570,0rcu_preempt3-21ksoftirqd/008:25:140
81560,0rcu_preempt3-21ksoftirqd/010:07:000
81560,0rcu_preempt3-21ksoftirqd/009:30:020
81560,0rcu_preempt19-21ksoftirqd/108:15:261
81560,0rcu_preempt19-21ksoftirqd/107:10:281
34352560,0chrt10050irq/346-484840007:25:130
81550,0rcu_preempt3-21ksoftirqd/012:10:110
191122550,0sleep010050irq/346-484840008:11:150
81540,0rcu_preempt3-21ksoftirqd/011:50:560
81540,0rcu_preempt3-21ksoftirqd/011:00:000
81540,0rcu_preempt3-21ksoftirqd/010:46:320
81540,0rcu_preempt3-21ksoftirqd/009:26:000
81540,0rcu_preempt19-21ksoftirqd/108:05:131
81540,0rcu_preempt19085-21kworker/0:210:40:240
80352520,0sleep010050irq/346-484840007:39:590
81500,0rcu_preempt0-21swapper/011:35:510
4350500,0irq/32-433000002178-21dropbear09:00:140
81490,0rcu_preempt3-21ksoftirqd/007:50:230
10050490,0irq/346-484840014575-1kworker/0:1H11:48:190
10050460,0irq/346-484840028647-1kworker/0:4H07:05:230
10050460,0irq/346-48484001465-21ping07:47:500
81450,0rcu_preempt865-21meminfo08:55:230
81450,0rcu_preempt28398-21meminfo08:40:210
10050450,0irq/346-48484001465-21ping07:40:130
10050440,0irq/346-4848400651-1kworker/0:1H07:15:280
10050440,0irq/346-484840023380-1kworker/0:2H08:35:170
81430,0rcu_preempt19247-21kworker/0:009:05:110
10050430,0irq/346-484840029019-1kworker/0:3H08:50:270
10050420,0irq/346-484840025958-21runrttasks08:34:260
10050420,0irq/346-484840012918-1kworker/0:0H08:20:090
81400,0rcu_preempt3-21ksoftirqd/007:20:100
60902400,0sleep01465-21ping07:31:590
10050400,0irq/346-484840030578-1kworker/0:0H07:10:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional