You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-01-08 - 03:13

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 Thu Jan 08, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811520,0rcu_preempt27626-21diskmemload23:47:180
811030,0rcu_preempt20680-21cyclictest00:26:041
811010,0rcu_preempt19-21ksoftirqd/119:39:471
157521000,0sleep19950irq/345-484840021:15:541
135732940,0sleep09950irq/345-484840000:31:420
81930,0rcu_preempt1202-21ntpd22:32:240
200332890,0chrt9950irq/345-484840021:36:410
81840,0rcu_preempt19-21ksoftirqd/119:39:471
81830,0rcu_preempt26923-1kworker/0:0H19:30:030
49922830,0sleep09950irq/345-484840020:00:020
81820,0rcu_preempt19-21ksoftirqd/123:40:191
81810,0rcu_preempt7544-1kworker/1:0H21:59:471
81810,0rcu_preempt19-21ksoftirqd/121:20:081
81810,0rcu_preempt19-21ksoftirqd/121:20:081
81780,0rcu_preempt20680-21cyclictest00:10:551
81770,0rcu_preempt3-21ksoftirqd/022:45:020
81770,0rcu_preempt3-21ksoftirqd/020:26:320
81770,0rcu_preempt0-21swapper/022:10:520
81760,0rcu_preempt3-21ksoftirqd/020:14:170
81760,0rcu_preempt19-21ksoftirqd/100:34:011
81750,0rcu_preempt3-21ksoftirqd/023:25:520
81750,0rcu_preempt3-21ksoftirqd/023:15:400
81750,0rcu_preempt3-21ksoftirqd/023:15:400
81750,0rcu_preempt3-21ksoftirqd/021:24:320
81750,0rcu_preempt3-21ksoftirqd/021:24:320
81750,0rcu_preempt3-21ksoftirqd/020:20:370
81750,0rcu_preempt3-21ksoftirqd/020:19:440
81740,0rcu_preempt3-21ksoftirqd/023:57:540
81740,0rcu_preempt3-21ksoftirqd/022:28:090
81740,0rcu_preempt3-21ksoftirqd/000:19:360
81740,0rcu_preempt19-21ksoftirqd/123:07:001
81740,0rcu_preempt19-21ksoftirqd/122:17:121
81740,0rcu_preempt13282-21kworker/0:023:52:040
81730,0rcu_preempt3764-21munin-node0
81730,0rcu_preempt3-21ksoftirqd/022:05:160
81730,0rcu_preempt3-21ksoftirqd/021:45:160
81730,0rcu_preempt3-21ksoftirqd/020:32:570
81730,0rcu_preempt3-21ksoftirqd/020:04:510
81730,0rcu_preempt24189-21kworker/u4:022:19:530
81730,0rcu_preempt0-21swapper/021:55:400
81720,0rcu_preempt3-21ksoftirqd/023:39:450
81720,0rcu_preempt3-21ksoftirqd/023:05:170
81720,0rcu_preempt3-21ksoftirqd/022:58:050
81720,0rcu_preempt3-21ksoftirqd/022:42:340
81720,0rcu_preempt3-21ksoftirqd/022:18:230
81720,0rcu_preempt3-21ksoftirqd/021:14:140
81720,0rcu_preempt3-21ksoftirqd/000:05:450
81720,0rcu_preempt25093-21kworker/0:021:00:110
81720,0rcu_preempt25018-21ssh23:31:300
81720,0rcu_preempt24217-21kworker/0:121:41:310
81710,0rcu_preempt3948-21kworker/0:219:23:260
81710,0rcu_preempt3-21ksoftirqd/023:11:160
81710,0rcu_preempt3-21ksoftirqd/022:01:480
81710,0rcu_preempt3-21ksoftirqd/021:15:390
81710,0rcu_preempt3-21ksoftirqd/020:45:050
81710,0rcu_preempt3-21ksoftirqd/020:40:050
81710,0rcu_preempt3-21ksoftirqd/019:10:410
81710,0rcu_preempt3-21ksoftirqd/000:39:300
81710,0rcu_preempt3-21ksoftirqd/000:10:350
81710,0rcu_preempt3-21ksoftirqd/000:03:100
81710,0rcu_preempt0-21swapper/023:42:330
81700,0rcu_preempt3-21ksoftirqd/023:00:000
81700,0rcu_preempt3-21ksoftirqd/022:51:590
81700,0rcu_preempt3-21ksoftirqd/022:38:590
81700,0rcu_preempt3-21ksoftirqd/021:25:020
81700,0rcu_preempt3-21ksoftirqd/019:53:300
81700,0rcu_preempt3-21ksoftirqd/019:48:310
81700,0rcu_preempt3-21ksoftirqd/000:25:520
81690,0rcu_preempt3-21ksoftirqd/023:22:500
81690,0rcu_preempt3-21ksoftirqd/019:59:090
81690,0rcu_preempt3-21ksoftirqd/019:15:020
81680,0rcu_preempt3-21ksoftirqd/021:54:230
81670,0rcu_preempt3-21ksoftirqd/021:30:020
81670,0rcu_preempt3-21ksoftirqd/020:58:330
46752660,0sleep19950irq/345-484840021:55:251
81650,0rcu_preempt3-21ksoftirqd/021:05:200
81650,0rcu_preempt3-21ksoftirqd/021:05:200
81650,0rcu_preempt3-21ksoftirqd/020:49:460
81650,0rcu_preempt3-21ksoftirqd/019:35:500
81640,0rcu_preempt3-21ksoftirqd/020:35:090
81640,0rcu_preempt3-21ksoftirqd/019:40:090
81630,0rcu_preempt3-21ksoftirqd/019:24:470
9950620,0irq/345-484840081rcu_preempt21:45:041
81590,0rcu_preempt20680-21cyclictest22:49:551
81550,0rcu_preempt19-21ksoftirqd/122:45:271
81540,0rcu_preempt19-21ksoftirqd/121:41:001
136912540,0sleep19950irq/345-484840020:25:131
10050540,0irq/346-4848400181ktimersoftd/121:37:131
10050520,0irq/346-484840010605-1kworker/1:1H00:01:591
10050500,0irq/346-48484003030-1kworker/1:1H23:10:561
10050500,0irq/346-484840016274-21ssh22:09:271
10050500,0irq/346-484840013211-1kworker/1:4H23:35:161
9950490,0irq/345-484840054-21kswapd019:59:541
10050490,0irq/346-484840024576-1kworker/1:0H23:31:461
10050490,0irq/346-484840013211-1kworker/1:4H23:50:161
10050490,0irq/346-484840013211-1kworker/1:4H23:00:551
81480,0rcu_preempt20680-21cyclictest22:57:441
10050480,0irq/346-484840016333-1kworker/1:3H23:25:131
10050480,0irq/346-48484000-21swapper/122:39:501
9950470,0irq/345-484840013916-21latency_hist23:19:461
10050470,0irq/346-48484007544-1kworker/1:0H22:20:141
10050470,0irq/346-484840032182-1kworker/1:2H00:19:491
10050470,0irq/346-484840023282-1kworker/1:0H00:15:071
9950460,0irq/345-484840013211-1kworker/1:4H23:45:481
229502460,0sleep19950irq/345-484840019:15:061
10050460,0irq/346-48484007480-1kworker/1:0H23:15:461
10050460,0irq/346-48484000-21swapper/123:19:521
10050450,0irq/346-484840028936-1kworker/1:1H21:51:021
10050450,0irq/346-48484001427-21runrttasks19:05:030
10050450,0irq/346-48484000-21swapper/100:36:261
81440,0rcu_preempt2175-21apt-get22:29:561
10050440,0irq/346-48484009257-1kworker/1:2H20:19:481
10050440,0irq/346-484840012469-21latency_hist23:54:461
81430,0rcu_preempt27626-21diskmemload21:09:551
13250430,0irq/301-48020000-21swapper/119:50:001
10050430,0irq/346-484840027842-1kworker/1:2H22:25:091
10050430,0irq/346-484840023976-21sendmail-msp19:19:471
10050430,0irq/346-484840013211-1kworker/1:4H00:04:511
81420,0rcu_preempt27626-21diskmemload21:28:541
10050420,0irq/346-484840023955-21ping19:25:041
81410,0rcu_preempt3305-21cpu19:54:591
155602410,0sleep19950irq/345-484840021:31:421
10050410,0irq/346-48484000-21swapper/121:00:061
9950390,0irq/345-484840023955-21ping19:29:551
81390,0rcu_preempt19-21ksoftirqd/122:11:111
81390,0rcu_preempt19-21ksoftirqd/119:05:111
10050390,0irq/346-484840027838-1kworker/1:1H22:35:551
10050390,0irq/346-484840023955-21ping19:44:591
10050380,0irq/346-48484008077-21munin-node1
10050360,0irq/346-48484004471-21ping20:15:101
10050360,0irq/346-484840019-21ksoftirqd/120:04:581
81350,0rcu_preempt0-21swapper/120:55:021
210382350,0chrt19407-1kworker/1:2H19:10:011
10050330,0irq/346-484840024032-1kworker/1:2H21:05:311
10050330,0irq/346-484840024032-1kworker/1:2H21:05:311
10050330,0irq/346-484840019125-1kworker/1:5H20:44:581
10050330,0irq/346-484840015835-1kworker/1:2H20:34:581
10050320,0irq/346-484840019125-1kworker/1:5H20:50:011
9950310,0irq/345-484840017931-21runrttasks20:39:511
10050310,0irq/346-484840014197-1kworker/1:1H20:30:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional