You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-23 - 22:45

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 Sat May 23, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81870,0rcu_preempt3-21ksoftirqd/008:52:160
81810,0rcu_preempt3-21ksoftirqd/011:04:340
81800,0rcu_preempt6196-21kworker/0:011:00:320
81790,0rcu_preempt3-21ksoftirqd/012:29:190
81790,0rcu_preempt18944-21kworker/0:108:58:200
81780,0rcu_preempt3-21ksoftirqd/012:34:200
81780,0rcu_preempt3-21ksoftirqd/010:29:350
81780,0rcu_preempt3-21ksoftirqd/009:50:150
81780,0rcu_preempt27433-21kworker/0:109:53:300
81770,0rcu_preempt3-21ksoftirqd/010:39:130
81760,0rcu_preempt3-21ksoftirqd/012:15:160
81760,0rcu_preempt3-21ksoftirqd/011:54:340
81760,0rcu_preempt3-21ksoftirqd/011:54:340
81760,0rcu_preempt3-21ksoftirqd/010:09:130
81750,0rcu_preempt3-21ksoftirqd/011:58:480
81750,0rcu_preempt3-21ksoftirqd/010:53:140
81750,0rcu_preempt3-21ksoftirqd/010:46:290
81750,0rcu_preempt3-21ksoftirqd/009:33:400
81750,0rcu_preempt3-21ksoftirqd/009:33:400
81750,0rcu_preempt3-21ksoftirqd/009:16:230
81740,0rcu_preempt3-21ksoftirqd/012:07:430
81740,0rcu_preempt3-21ksoftirqd/011:48:050
81740,0rcu_preempt3-21ksoftirqd/010:48:250
81730,0rcu_preempt3-21ksoftirqd/012:23:170
81730,0rcu_preempt3-21ksoftirqd/011:46:190
81730,0rcu_preempt3-21ksoftirqd/011:21:580
81730,0rcu_preempt3-21ksoftirqd/010:16:090
81730,0rcu_preempt3-21ksoftirqd/009:09:410
81720,0rcu_preempt3-21ksoftirqd/012:18:010
81720,0rcu_preempt3-21ksoftirqd/011:27:530
81720,0rcu_preempt3-21ksoftirqd/009:41:100
81720,0rcu_preempt3-21ksoftirqd/009:30:420
81710,0rcu_preempt3-21ksoftirqd/011:38:370
81710,0rcu_preempt3-21ksoftirqd/011:17:340
81710,0rcu_preempt3-21ksoftirqd/010:37:370
81710,0rcu_preempt3-21ksoftirqd/010:37:370
10050710,0irq/346-484840041ktimersoftd/009:19:330
81700,0rcu_preempt3-21ksoftirqd/012:08:210
81700,0rcu_preempt3-21ksoftirqd/009:57:560
81700,0rcu_preempt3-21ksoftirqd/008:28:160
81690,0rcu_preempt3-21ksoftirqd/009:24:530
81680,0rcu_preempt3-21ksoftirqd/011:08:200
81670,0rcu_preempt3-21ksoftirqd/010:18:400
81650,0rcu_preempt3-21ksoftirqd/010:26:440
81650,0rcu_preempt3-21ksoftirqd/009:43:540
81650,0rcu_preempt1470-21runrttasks09:12:491
10050610,0irq/346-484840019-21ksoftirqd/112:14:081
81590,0rcu_preempt3-21ksoftirqd/007:53:040
81580,0rcu_preempt19-21ksoftirqd/112:10:391
81570,0rcu_preempt19-21ksoftirqd/108:12:541
81560,0rcu_preempt3-21ksoftirqd/007:18:150
81560,0rcu_preempt19-21ksoftirqd/112:23:131
10050560,0irq/346-48484008619-21ssh11:33:180
81550,0rcu_preempt54-21kswapd012:04:151
81550,0rcu_preempt3-21ksoftirqd/007:33:020
81550,0rcu_preempt3-21ksoftirqd/007:03:140
81530,0rcu_preempt54-21kswapd009:36:571
81530,0rcu_preempt54-21kswapd009:36:571
10050520,0irq/346-484840022336-1kworker/0:0H11:29:250
10050520,0irq/346-484840015984-1kworker/1:3H09:32:121
81500,0rcu_preempt19-21ksoftirqd/110:57:531
81500,0rcu_preempt17301-21apt-get07:03:041
81490,0rcu_preempt19-21ksoftirqd/112:18:081
81490,0rcu_preempt13517-21kworker/1:009:03:061
81470,0rcu_preempt19-21ksoftirqd/107:56:491
10050470,0irq/346-484840030292-1kworker/1:0H11:58:061
81460,0rcu_preempt2466-21ping08:03:131
81460,0rcu_preempt19-21ksoftirqd/109:57:381
10050460,0irq/346-4848400851-21rngd10:32:421
10050460,0irq/346-484840029296-21munin-node0
10050460,0irq/346-484840018134-1kworker/1:0H11:20:501
81450,0rcu_preempt19-21ksoftirqd/111:23:141
81450,0rcu_preempt19-21ksoftirqd/108:13:171
81450,0rcu_preempt19-21ksoftirqd/107:58:161
81450,0rcu_preempt19-21ksoftirqd/107:38:041
81450,0rcu_preempt19-21ksoftirqd/107:22:501
10050450,0irq/346-484840018012-21munin-node0
9950440,0irq/345-48484000-21swapper/007:28:040
81440,0rcu_preempt25814-21diskmemload11:34:181
81440,0rcu_preempt25814-21diskmemload11:16:211
81440,0rcu_preempt23479-21php-cgi10:43:131
81440,0rcu_preempt19-21ksoftirqd/112:36:101
81440,0rcu_preempt19-21ksoftirqd/111:53:231
81440,0rcu_preempt19-21ksoftirqd/111:53:231
81440,0rcu_preempt19-21ksoftirqd/110:17:301
81440,0rcu_preempt19-21ksoftirqd/110:03:141
81440,0rcu_preempt19-21ksoftirqd/109:23:121
81440,0rcu_preempt19-21ksoftirqd/109:21:211
81440,0rcu_preempt19-21ksoftirqd/107:43:071
81440,0rcu_preempt19-21ksoftirqd/107:34:121
81440,0rcu_preempt19-21ksoftirqd/107:23:311
9950430,0irq/345-484840025691-1kworker/1:2H10:48:151
81430,0rcu_preempt23016-21php-cgi11:48:131
81430,0rcu_preempt19-21ksoftirqd/112:28:151
81430,0rcu_preempt19-21ksoftirqd/111:00:171
81430,0rcu_preempt19-21ksoftirqd/108:23:221
81430,0rcu_preempt11589-21ssh09:58:181
10050430,0irq/346-484840032077-21dpkg07:48:040
81420,0rcu_preempt4082-21ssh11:28:231
81420,0rcu_preempt30924-21cpu10:18:081
81420,0rcu_preempt25814-21diskmemload09:48:151
81420,0rcu_preempt19-21ksoftirqd/111:03:051
81420,0rcu_preempt19-21ksoftirqd/109:43:241
81420,0rcu_preempt19-21ksoftirqd/109:38:111
81420,0rcu_preempt19-21ksoftirqd/109:13:061
81420,0rcu_preempt19-21ksoftirqd/108:18:031
81420,0rcu_preempt19-21ksoftirqd/107:48:201
81420,0rcu_preempt19-21ksoftirqd/107:29:211
81420,0rcu_preempt13189-21apt-get10:33:041
81420,0rcu_preempt13189-21apt-get10:33:041
10250420,0irq/333-mmc00-21swapper/110:08:121
10050420,0irq/346-484840022523-21munin-run08:57:530
10050420,0irq/346-484840013321-1kworker/0:1H10:03:110
81410,0rcu_preempt4362-21sh10:23:221
81410,0rcu_preempt3-21ksoftirqd/009:03:070
81410,0rcu_preempt19-21ksoftirqd/111:44:201
81410,0rcu_preempt19-21ksoftirqd/111:12:541
10050410,0irq/346-484840018803-21cyclictest10:38:471
9950400,0irq/345-48484000-21swapper/008:39:460
81400,0rcu_preempt2466-21ping08:17:540
81400,0rcu_preempt19-21ksoftirqd/111:40:581
81400,0rcu_preempt19-21ksoftirqd/108:53:171
81400,0rcu_preempt19-21ksoftirqd/108:33:181
81400,0rcu_preempt18940-1kworker/1:1H08:49:041
1880499408,0cyclictest3-21ksoftirqd/007:58:200
1599400,0migration/06045-21taskset08:07:360
10050400,0irq/346-484840020117-1kworker/0:3H07:12:530
81390,0rcu_preempt22684-21munin-node1
81390,0rcu_preempt19-21ksoftirqd/108:43:191
81390,0rcu_preempt19-21ksoftirqd/108:28:121
18804993914,0cyclictest0-21swapper/008:18:200
1599390,0migration/012237-21taskset08:23:340
10050390,0irq/346-48484006410-21ssh08:08:080
9950380,0irq/345-48484000-21swapper/007:23:280
81380,0rcu_preempt3-21ksoftirqd/008:35:110
81380,0rcu_preempt3-21ksoftirqd/007:13:160
81380,0rcu_preempt19-21ksoftirqd/108:38:151
4350380,0irq/32-4330000022088-21ping07:43:130
81370,0rcu_preempt19-21ksoftirqd/107:14:231
81360,0rcu_preempt19-21ksoftirqd/107:08:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional