You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-10 - 15:41

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 Mar 10, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811000,0rcu_preempt19-21ksoftirqd/110:03:341
811000,0rcu_preempt19-21ksoftirqd/110:03:341
81890,0rcu_preempt19-21ksoftirqd/108:02:011
81890,0rcu_preempt19-21ksoftirqd/108:02:011
81890,0rcu_preempt19-21ksoftirqd/107:44:341
81860,0rcu_preempt22595-21ssh12:37:411
81860,0rcu_preempt19-21ksoftirqd/109:41:061
81850,0rcu_preempt54-21kswapd009:54:351
81850,0rcu_preempt19-21ksoftirqd/109:34:161
81840,0rcu_preempt19-21ksoftirqd/108:18:291
81840,0rcu_preempt19-21ksoftirqd/108:18:291
81830,0rcu_preempt54-21kswapd011:29:111
81830,0rcu_preempt19-21ksoftirqd/111:21:401
81830,0rcu_preempt19-21ksoftirqd/108:22:131
81820,0rcu_preempt19-21ksoftirqd/108:27:171
81820,0rcu_preempt19-21ksoftirqd/108:09:121
81820,0rcu_preempt19-21ksoftirqd/107:42:511
81820,0rcu_preempt19-21ksoftirqd/107:37:211
81810,0rcu_preempt19-21ksoftirqd/112:04:031
81810,0rcu_preempt19-21ksoftirqd/111:48:261
81810,0rcu_preempt19-21ksoftirqd/111:37:501
81810,0rcu_preempt19-21ksoftirqd/107:32:201
81810,0rcu_preempt19-21ksoftirqd/107:32:201
81810,0rcu_preempt19-21ksoftirqd/107:19:171
81800,0rcu_preempt19-21ksoftirqd/111:28:231
81800,0rcu_preempt19-21ksoftirqd/110:17:401
81800,0rcu_preempt19-21ksoftirqd/109:31:551
81790,0rcu_preempt19-21ksoftirqd/112:28:551
81790,0rcu_preempt19-21ksoftirqd/112:12:561
81790,0rcu_preempt19-21ksoftirqd/107:28:021
81780,0rcu_preempt19-21ksoftirqd/111:18:091
81780,0rcu_preempt19-21ksoftirqd/109:20:541
81770,0rcu_preempt19-21ksoftirqd/112:16:261
81770,0rcu_preempt19-21ksoftirqd/111:43:521
81770,0rcu_preempt19-21ksoftirqd/110:52:431
81770,0rcu_preempt19-21ksoftirqd/110:38:251
81770,0rcu_preempt19-21ksoftirqd/110:31:411
81770,0rcu_preempt19-21ksoftirqd/110:13:541
81770,0rcu_preempt0-21swapper/109:48:291
81760,0rcu_preempt54-21kswapd010:04:191
81760,0rcu_preempt19-21ksoftirqd/112:06:541
81760,0rcu_preempt19-21ksoftirqd/111:00:451
81760,0rcu_preempt19-21ksoftirqd/110:45:261
81760,0rcu_preempt19-21ksoftirqd/110:20:101
81760,0rcu_preempt19-21ksoftirqd/109:06:061
81760,0rcu_preempt19-21ksoftirqd/107:56:141
81760,0rcu_preempt0-21swapper/109:27:391
81750,0rcu_preempt851-21rngd10:26:281
81750,0rcu_preempt21521-21kworker/1:010:56:581
81750,0rcu_preempt19-21ksoftirqd/112:19:241
81750,0rcu_preempt19-21ksoftirqd/111:06:341
81750,0rcu_preempt19-21ksoftirqd/109:14:261
81750,0rcu_preempt19-21ksoftirqd/108:05:531
81740,0rcu_preempt19-21ksoftirqd/111:51:271
81740,0rcu_preempt19-21ksoftirqd/111:13:071
81740,0rcu_preempt19-21ksoftirqd/110:40:091
81740,0rcu_preempt19-21ksoftirqd/109:51:461
81740,0rcu_preempt19-21ksoftirqd/109:10:021
81740,0rcu_preempt19-21ksoftirqd/107:17:181
81730,0rcu_preempt19-21ksoftirqd/108:52:531
81730,0rcu_preempt19-21ksoftirqd/107:09:181
81730,0rcu_preempt12738-21kworker/1:011:54:391
81720,0rcu_preempt3-21ksoftirqd/012:34:220
81720,0rcu_preempt3-21ksoftirqd/012:02:460
81720,0rcu_preempt19-21ksoftirqd/107:52:041
81710,0rcu_preempt19-21ksoftirqd/112:30:251
81700,0rcu_preempt19-21ksoftirqd/108:54:321
81700,0rcu_preempt19-21ksoftirqd/108:34:311
81670,0rcu_preempt19-21ksoftirqd/108:46:441
81650,0rcu_preempt19-21ksoftirqd/108:41:251
81640,0rcu_preempt3-21ksoftirqd/011:16:100
81640,0rcu_preempt19-21ksoftirqd/108:59:481
81630,0rcu_preempt3-21ksoftirqd/010:57:350
81630,0rcu_preempt19-21ksoftirqd/108:30:141
81630,0rcu_preempt19-21ksoftirqd/108:30:141
81610,0rcu_preempt3-21ksoftirqd/012:26:530
10050590,0irq/346-48484004005-1kworker/0:3H10:09:130
10050590,0irq/346-484840024236-1kworker/0:2H09:35:370
10050580,0irq/346-4848400851-21rngd12:15:140
10050580,0irq/346-484840054-21kswapd011:29:250
81570,0rcu_preempt3-21ksoftirqd/009:15:060
10050570,0irq/346-484840054-21kswapd009:28:530
81560,0rcu_preempt3-21ksoftirqd/010:15:170
10050560,0irq/346-4848400851-21rngd09:42:440
10050560,0irq/346-484840054-21kswapd010:31:460
10050550,0irq/346-484840054-21kswapd010:27:310
10050540,0irq/346-484840054-21kswapd012:32:000
10050540,0irq/346-484840029615-21memory09:59:280
10050540,0irq/346-484840029615-21memory09:59:280
10050540,0irq/346-48484000-21swapper/009:11:420
10050540,0irq/346-48484000-21swapper/007:49:200
10050530,0irq/346-4848400851-21rngd11:09:090
10050530,0irq/346-48484002890-21ssh11:44:160
10050520,0irq/346-4848400851-21rngd11:41:430
10050520,0irq/346-48484004631-21cyclictest10:19:110
10050510,0irq/346-4848400851-21rngd11:24:310
10050510,0irq/346-48484000-21swapper/011:55:220
10050510,0irq/346-48484000-21swapper/011:08:340
10050510,0irq/346-48484000-21swapper/009:29:310
10050500,0irq/346-484840054-21kswapd009:20:330
10050500,0irq/346-48484000-21swapper/012:06:360
10050500,0irq/346-48484000-21swapper/010:48:130
10050500,0irq/346-48484000-21swapper/010:04:160
10050500,0irq/346-48484000-21swapper/009:49:100
10050490,0irq/346-484840054-21kswapd012:13:520
10050490,0irq/346-484840054-21kswapd009:56:080
10050490,0irq/346-48484000-21swapper/010:41:360
81480,0rcu_preempt3-21ksoftirqd/007:06:120
10050480,0irq/346-484840054-21kswapd012:19:110
10050480,0irq/346-484840054-21kswapd011:01:320
10050480,0irq/346-484840054-21kswapd010:53:440
10050480,0irq/346-484840054-21kswapd010:36:440
10050480,0irq/346-484840026792-21ssh11:34:450
10050480,0irq/346-48484000-21swapper/009:47:370
10050470,0irq/346-484840054-21kswapd011:50:180
10050470,0irq/346-484840026099-21munin-node0
10050470,0irq/346-484840026099-21munin-node0
10050470,0irq/346-484840013006-21wget07:34:180
10050470,0irq/346-48484000-21swapper/011:22:030
1599430,0migration/015162-21munin-node0
13250430,0irq/301-48020005375-21df08:49:170
10050430,0irq/346-48484008044-1kworker/0:3H08:59:030
10050430,0irq/346-48484006617-21df07:14:200
10050420,0irq/346-48484009967-21fschecks_time07:24:270
10050420,0irq/346-484840031803-21zcat08:29:280
10050420,0irq/346-484840031803-21zcat08:29:280
10050420,0irq/346-484840029034-21runrttasks08:21:550
9950410,0irq/345-48484000-21swapper/007:19:050
13250410,0irq/301-48020000-21swapper/007:09:190
10050410,0irq/346-4848400872-21ntpq08:34:270
10050390,0irq/346-484840022831-21munin-node0
10050390,0irq/346-484840010682-21latency09:04:240
10050390,0irq/346-48484000-21swapper/007:29:380
10050390,0irq/346-48484000-21swapper/007:29:380
32722380,0sleep03119-1kworker/0:2H08:42:430
13250380,0irq/301-48020003327-21sh07:04:191
10050380,0irq/346-484840021838-21seq07:59:310
10050380,0irq/346-484840021838-21seq07:59:310
10050380,0irq/346-484840016264-21munin-node0
1599370,0migration/03603-21aten_rapower_en08:44:170
10050370,0irq/346-48484000-21swapper/008:09:050
10050350,0irq/346-484840028953-1kworker/0:0H08:24:260
1599340,0migration/019776-21fschecks_count07:54:200
9950330,0irq/345-48484000-21swapper/008:59:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional