You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-20 - 05:07

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 Nov 20, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811190,0rcu_preempt19-21ksoftirqd/122:29:041
193392920,0sleep010050irq/346-484840020:14:350
81740,0rcu_preempt19479-21kworker/0:021:34:200
10050740,0irq/346-484840011048-1kworker/0:1H21:57:310
81730,0rcu_preempt3-21ksoftirqd/023:00:070
81710,0rcu_preempt10708-21kworker/1:121:16:241
10050680,0irq/346-48484000-21swapper/021:13:500
10050670,0irq/346-48484000-21swapper/023:12:310
81660,0rcu_preempt19-21ksoftirqd/121:25:251
81660,0rcu_preempt19-21ksoftirqd/100:13:191
81650,0rcu_preempt19-21ksoftirqd/123:22:011
81640,0rcu_preempt19-21ksoftirqd/123:31:411
81640,0rcu_preempt19-21ksoftirqd/123:14:441
81640,0rcu_preempt0-21swapper/100:20:561
152142640,0sleep09950irq/345-484840000:03:040
81630,0rcu_preempt3-21ksoftirqd/022:25:160
81630,0rcu_preempt19-21ksoftirqd/100:25:161
81620,0rcu_preempt3-21ksoftirqd/022:04:470
81620,0rcu_preempt19-21ksoftirqd/123:43:301
81620,0rcu_preempt19-21ksoftirqd/123:04:191
81620,0rcu_preempt19-21ksoftirqd/121:57:431
126682620,0sleep09950irq/345-484840022:39:390
10050620,0irq/346-48484009383-21ssh21:14:460
81610,0rcu_preempt3-21ksoftirqd/022:30:300
81610,0rcu_preempt19-21ksoftirqd/123:36:211
81610,0rcu_preempt19-21ksoftirqd/123:09:211
81610,0rcu_preempt19-21ksoftirqd/122:58:071
81610,0rcu_preempt19-21ksoftirqd/122:58:071
81610,0rcu_preempt19-21ksoftirqd/122:10:421
81610,0rcu_preempt19-21ksoftirqd/121:51:291
81610,0rcu_preempt19-21ksoftirqd/121:51:291
81610,0rcu_preempt19-21ksoftirqd/121:43:361
81610,0rcu_preempt19-21ksoftirqd/100:07:431
81610,0rcu_preempt19-21ksoftirqd/100:00:211
81600,0rcu_preempt751-21rngd00:23:150
81600,0rcu_preempt19-21ksoftirqd/123:56:551
81600,0rcu_preempt19-21ksoftirqd/122:45:551
81600,0rcu_preempt19-21ksoftirqd/122:45:551
81600,0rcu_preempt19-21ksoftirqd/121:21:101
81590,0rcu_preempt19-21ksoftirqd/123:48:271
81590,0rcu_preempt19-21ksoftirqd/123:29:001
81590,0rcu_preempt19-21ksoftirqd/121:36:021
81590,0rcu_preempt19-21ksoftirqd/121:36:021
81590,0rcu_preempt19-21ksoftirqd/120:31:131
81590,0rcu_preempt19-21ksoftirqd/100:36:261
81590,0rcu_preempt19-21ksoftirqd/100:34:241
81590,0rcu_preempt19-21ksoftirqd/100:16:041
81580,0rcu_preempt3-21ksoftirqd/019:49:450
81580,0rcu_preempt19-21ksoftirqd/123:51:061
81580,0rcu_preempt19-21ksoftirqd/122:40:321
10050580,0irq/346-484840018796-1kworker/0:0H22:55:040
10050580,0irq/346-484840018796-1kworker/0:0H22:55:040
81570,0rcu_preempt54-21kswapd022:49:370
81570,0rcu_preempt54-21kswapd022:49:370
81570,0rcu_preempt19-21ksoftirqd/123:12:321
81570,0rcu_preempt19-21ksoftirqd/122:01:261
81570,0rcu_preempt19-21ksoftirqd/120:04:431
81570,0rcu_preempt0-21swapper/122:19:151
158432570,0sleep010050irq/346-484840020:02:030
81560,0rcu_preempt3-21ksoftirqd/023:23:050
81560,0rcu_preempt3-21ksoftirqd/000:29:320
10050560,0irq/346-48484009551-21ssh22:35:050
10050560,0irq/346-48484006711-1kworker/1:2H22:33:151
9950550,0irq/345-48484000-21swapper/023:16:250
81550,0rcu_preempt54-21kswapd000:34:490
81550,0rcu_preempt19-21ksoftirqd/122:05:501
10050550,0irq/346-4848400751-21rngd21:40:570
81540,0rcu_preempt54-21kswapd021:46:161
81540,0rcu_preempt54-21kswapd021:29:461
81540,0rcu_preempt3-21ksoftirqd/021:49:590
81540,0rcu_preempt3-21ksoftirqd/021:49:590
81540,0rcu_preempt3-21ksoftirqd/021:24:360
81540,0rcu_preempt3-21ksoftirqd/020:14:500
81540,0rcu_preempt3-21ksoftirqd/020:14:500
10050540,0irq/346-48484000-21swapper/023:32:440
81530,0rcu_preempt3-21ksoftirqd/023:04:470
81530,0rcu_preempt19-21ksoftirqd/119:25:181
81530,0rcu_preempt0-21swapper/120:20:071
10050530,0irq/346-48484003-21ksoftirqd/022:20:050
81520,0rcu_preempt7099-21apt-get19:04:500
81520,0rcu_preempt3-21ksoftirqd/000:34:360
10050520,0irq/346-484840015437-1kworker/0:1H21:25:090
10050520,0irq/346-48484000-21swapper/022:17:550
81510,0rcu_preempt3-21ksoftirqd/022:12:070
81510,0rcu_preempt21827-21kworker/0:100:19:030
10050510,0irq/346-484840054-21kswapd021:35:490
10050510,0irq/346-484840054-21kswapd021:35:490
10050510,0irq/346-484840054-21kswapd000:10:160
10050510,0irq/346-484840013982-21wc22:00:070
176632500,0sleep010050irq/346-484840020:09:060
10050500,0irq/346-48484008599-21ssh21:13:411
10050500,0irq/346-4848400751-21rngd22:54:250
10050500,0irq/346-484840029153-21sh22:19:471
10050500,0irq/346-484840016422-1kworker/0:1H00:08:570
10050500,0irq/346-48484000-21swapper/020:36:120
10050500,0irq/346-48484000-21swapper/020:36:120
81490,0rcu_preempt3-21ksoftirqd/023:40:460
81490,0rcu_preempt3-21ksoftirqd/023:34:530
81490,0rcu_preempt3-21ksoftirqd/020:54:560
81490,0rcu_preempt2241-1kworker/0:1H23:48:240
81490,0rcu_preempt19-21ksoftirqd/119:39:351
10050490,0irq/346-484840054-21kswapd023:50:170
10050490,0irq/346-484840014374-1kworker/0:3H23:55:080
10050490,0irq/346-484840012327-21ssh22:39:191
81480,0rcu_preempt19-21ksoftirqd/120:25:021
81480,0rcu_preempt19-21ksoftirqd/120:00:161
81480,0rcu_preempt16328-21apt-get23:24:500
112492480,0chrt9950irq/345-484840019:31:020
81470,0rcu_preempt54-21kswapd020:19:371
81470,0rcu_preempt54-21kswapd020:19:371
81470,0rcu_preempt54-21kswapd019:57:590
81470,0rcu_preempt3-21ksoftirqd/020:25:210
81470,0rcu_preempt19-21ksoftirqd/119:45:341
81470,0rcu_preempt19-21ksoftirqd/119:20:561
81470,0rcu_preempt12161-21kworker/0:319:45:340
224092470,0sleep010050irq/346-484840020:22:140
10050470,0irq/346-484840027217-1kworker/0:1H20:40:040
10050470,0irq/346-484840022585-21ssh22:51:081
10050470,0irq/346-48484000-21swapper/021:46:290
81460,0rcu_preempt3-21ksoftirqd/020:33:280
81460,0rcu_preempt29348-21apt-get20:44:470
81460,0rcu_preempt2542-21ntp_states21:00:020
81460,0rcu_preempt23849-21kworker/1:221:04:501
81460,0rcu_preempt19-21ksoftirqd/120:12:451
81460,0rcu_preempt19-21ksoftirqd/119:31:041
10050460,0irq/346-48484009840-21grep19:19:370
10050450,0irq/346-48484009784-21ping19:40:021
10050450,0irq/346-48484009784-21ping19:19:390
81440,0rcu_preempt3-21ksoftirqd/020:50:020
81440,0rcu_preempt1369-21runrttasks20:40:461
81430,0rcu_preempt3-21ksoftirqd/021:04:530
81430,0rcu_preempt19-21ksoftirqd/120:59:491
10050430,0irq/346-48484005045-1kworker/0:4H19:13:400
9950420,0irq/345-48484000-21swapper/019:29:370
858799411,0cyclictest11839-1kworker/0:2H19:36:020
81410,0rcu_preempt23849-21kworker/1:220:54:541
81410,0rcu_preempt19-21ksoftirqd/120:47:221
81410,0rcu_preempt19-21ksoftirqd/119:57:161
81410,0rcu_preempt19-21ksoftirqd/119:53:241
81410,0rcu_preempt0-21swapper/119:15:231
81400,0rcu_preempt31654-21ntp_states20:50:031
81390,0rcu_preempt19-21ksoftirqd/119:12:251
81380,0rcu_preempt26267-21diskstats20:34:531
81380,0rcu_preempt26267-21diskstats20:34:531
81380,0rcu_preempt19-21ksoftirqd/119:04:551
10050380,0irq/346-484840012278-21ls19:39:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional