You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-23 - 11:09

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 Tue Dec 23, 2025 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811290,0rcu_preempt3-21ksoftirqd/022:46:480
811250,0rcu_preempt3-21ksoftirqd/021:25:240
811080,0rcu_preempt3-21ksoftirqd/023:01:400
811070,0rcu_preempt3-21ksoftirqd/023:27:490
811070,0rcu_preempt3-21ksoftirqd/021:59:040
811060,0rcu_preempt3-21ksoftirqd/023:39:080
811050,0rcu_preempt3-21ksoftirqd/022:11:020
811030,0rcu_preempt3-21ksoftirqd/022:15:470
811020,0rcu_preempt3-21ksoftirqd/023:42:300
811010,0rcu_preempt3-21ksoftirqd/021:31:500
811000,0rcu_preempt3-21ksoftirqd/022:20:440
811000,0rcu_preempt3-21ksoftirqd/021:10:110
811000,0rcu_preempt3-21ksoftirqd/019:55:310
81990,0rcu_preempt3-21ksoftirqd/023:54:440
81870,0rcu_preempt3-21ksoftirqd/023:30:200
81850,0rcu_preempt3-21ksoftirqd/022:30:050
81830,0rcu_preempt19-21ksoftirqd/122:52:261
81780,0rcu_preempt3-21ksoftirqd/000:08:570
81780,0rcu_preempt3-21ksoftirqd/000:08:570
227722760,0sleep09950irq/345-484840023:45:180
81750,0rcu_preempt4679-21cyclictest22:51:520
81740,0rcu_preempt19-21ksoftirqd/100:30:361
81740,0rcu_preempt19-21ksoftirqd/100:30:361
10050720,0irq/346-484840026936-1kworker/1:0H22:04:581
81710,0rcu_preempt19-21ksoftirqd/100:15:241
10050710,0irq/346-484840025596-1kworker/1:2H23:15:231
81690,0rcu_preempt3-21ksoftirqd/000:10:110
81690,0rcu_preempt19-21ksoftirqd/119:35:231
81680,0rcu_preempt19-21ksoftirqd/123:36:391
81680,0rcu_preempt19-21ksoftirqd/123:30:251
81680,0rcu_preempt0-21swapper/121:17:471
145212670,0sleep09950irq/345-484840019:40:010
81660,0rcu_preempt19-21ksoftirqd/121:10:461
10050660,0irq/346-484840022406-1kworker/0:3H22:00:180
81650,0rcu_preempt19-21ksoftirqd/123:09:571
81640,0rcu_preempt3-21ksoftirqd/023:10:230
81640,0rcu_preempt19-21ksoftirqd/121:53:421
81640,0rcu_preempt19-21ksoftirqd/121:53:421
81630,0rcu_preempt26330-1kworker/0:1H22:39:240
81630,0rcu_preempt19-21ksoftirqd/121:59:451
81630,0rcu_preempt19-21ksoftirqd/121:24:551
81630,0rcu_preempt19-21ksoftirqd/121:24:551
81630,0rcu_preempt19-21ksoftirqd/100:26:551
81620,0rcu_preempt19-21ksoftirqd/120:04:141
81620,0rcu_preempt19-21ksoftirqd/119:20:391
81620,0rcu_preempt19-21ksoftirqd/100:02:501
81620,0rcu_preempt11553-21diskmemload22:33:171
81620,0rcu_preempt0-21swapper/121:00:301
81610,0rcu_preempt3-21ksoftirqd/020:45:210
81610,0rcu_preempt3-21ksoftirqd/000:00:270
81610,0rcu_preempt19-21ksoftirqd/123:14:211
81610,0rcu_preempt19-21ksoftirqd/122:28:171
4250610,0irq/29-omap-dma0-21swapper/123:55:221
9950600,0irq/345-4848400181ktimersoftd/122:35:101
81600,0rcu_preempt3-21ksoftirqd/023:15:280
81600,0rcu_preempt19-21ksoftirqd/123:02:201
81600,0rcu_preempt19-21ksoftirqd/122:47:101
81600,0rcu_preempt19-21ksoftirqd/100:38:081
10050600,0irq/346-484840018498-1kworker/0:2H00:18:080
10050600,0irq/346-4848400171rcuc/121:40:251
9950590,0irq/345-4848400171rcuc/123:43:051
81590,0rcu_preempt4679-21cyclictest22:44:590
81590,0rcu_preempt4679-21cyclictest22:44:590
81590,0rcu_preempt3-21ksoftirqd/020:30:220
81590,0rcu_preempt3-21ksoftirqd/020:20:260
81590,0rcu_preempt19-21ksoftirqd/123:51:241
81590,0rcu_preempt19-21ksoftirqd/123:20:321
81590,0rcu_preempt0-21swapper/000:35:460
9950580,0irq/345-48484003932-1kworker/1:2H22:14:201
9950580,0irq/345-4848400235571kworker/1:1H00:22:091
81580,0rcu_preempt3-21ksoftirqd/020:15:180
81580,0rcu_preempt3-21ksoftirqd/020:10:360
81580,0rcu_preempt19-21ksoftirqd/122:20:281
81580,0rcu_preempt19-21ksoftirqd/120:16:171
81580,0rcu_preempt19-21ksoftirqd/120:05:271
157552580,0sleep010050irq/346-484840019:41:000
81570,0rcu_preempt3-21ksoftirqd/023:20:580
81570,0rcu_preempt3-21ksoftirqd/023:07:130
81570,0rcu_preempt3-21ksoftirqd/021:45:410
81570,0rcu_preempt3-21ksoftirqd/021:40:410
21872570,0sleep09950irq/345-484840023:58:290
10050570,0irq/346-4848400171rcuc/121:35:221
10050570,0irq/346-4848400171rcuc/121:35:221
9950560,0irq/345-4848400171rcuc/121:34:101
81560,0rcu_preempt3-21ksoftirqd/022:29:290
81560,0rcu_preempt3-21ksoftirqd/000:23:470
81560,0rcu_preempt19-21ksoftirqd/122:45:001
81560,0rcu_preempt19-21ksoftirqd/122:45:001
81560,0rcu_preempt19-21ksoftirqd/122:06:061
9950550,0irq/345-4848400181ktimersoftd/122:55:581
9950550,0irq/345-4848400181ktimersoftd/122:16:231
81550,0rcu_preempt3-21ksoftirqd/000:31:150
81550,0rcu_preempt3-21ksoftirqd/000:31:150
10050550,0irq/346-4848400171rcuc/120:00:001
81540,0rcu_preempt19-21ksoftirqd/100:09:511
81540,0rcu_preempt19-21ksoftirqd/100:09:511
81540,0rcu_preempt10219-1kworker/1:0H00:10:321
10050540,0irq/346-4848400811-21rngd00:29:230
10050540,0irq/346-48484007532-1kworker/0:2H22:55:130
10050540,0irq/346-4848400468199cyclictest19:20:001
9950530,0irq/345-4848400181ktimersoftd/121:45:311
81530,0rcu_preempt3-21ksoftirqd/022:08:050
81530,0rcu_preempt3-21ksoftirqd/020:40:120
81520,0rcu_preempt8448-21apt-get21:00:110
81520,0rcu_preempt30428-1kworker/1:0H23:25:011
81520,0rcu_preempt0-21swapper/123:49:361
10050520,0irq/346-4848400811-21rngd21:53:400
10050520,0irq/346-4848400811-21rngd21:53:400
81510,0rcu_preempt3-21ksoftirqd/020:01:490
81510,0rcu_preempt0-21swapper/121:25:051
81232510,0sleep010050irq/346-484840019:20:140
9950500,0irq/345-484840020879-21ping20:10:271
81500,0rcu_preempt3-21ksoftirqd/021:22:490
81500,0rcu_preempt3-21ksoftirqd/021:22:490
81490,0rcu_preempt3-21ksoftirqd/021:35:380
81490,0rcu_preempt3-21ksoftirqd/021:35:380
81490,0rcu_preempt19090-21kworker/0:019:54:070
81480,0rcu_preempt3-21ksoftirqd/021:15:140
4350470,0irq/32-433000000-21swapper/020:55:160
239512470,0sleep010050irq/346-484840020:06:050
10050470,0irq/346-48484007946-21ping19:45:210
10050470,0irq/346-4848400356-21munin-node0
81460,0rcu_preempt3-21ksoftirqd/019:15:270
81460,0rcu_preempt19-21ksoftirqd/119:40:191
81460,0rcu_preempt19-21ksoftirqd/119:05:121
10050460,0irq/346-484840024015-1kworker/1:0H20:20:061
9950450,0irq/345-48484007946-21ping19:29:430
10050450,0irq/346-484840030203-1kworker/0:1H19:05:140
10050450,0irq/346-484840010906-1kworker/0:1H19:30:270
10050450,0irq/346-48484000-21swapper/120:55:181
81440,0rcu_preempt3-21ksoftirqd/021:05:130
81440,0rcu_preempt3-21ksoftirqd/019:10:190
81440,0rcu_preempt19-21ksoftirqd/120:45:201
81430,0rcu_preempt3-21ksoftirqd/020:50:130
81430,0rcu_preempt19-21ksoftirqd/119:30:321
81420,0rcu_preempt3-21ksoftirqd/020:25:210
81420,0rcu_preempt19-21ksoftirqd/119:50:241
18962420,0sleep19950irq/345-484840020:40:111
81410,0rcu_preempt19-21ksoftirqd/119:45:241
81410,0rcu_preempt19-21ksoftirqd/119:28:431
81410,0rcu_preempt0-21swapper/120:30:221
81380,0rcu_preempt19-21ksoftirqd/120:50:291
296442370,0sleep19950irq/345-484840020:25:161
10050370,0irq/346-48484009616-1kworker/1:3H21:05:161
81360,0rcu_preempt19-21ksoftirqd/120:38:301
10050360,0irq/346-48484004656-1kworker/1:1H19:10:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional