You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-11 - 04:57

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 Dec 11, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10050910,0irq/346-484840019-21ksoftirqd/121:21:161
81900,0rcu_preempt16110-21kworker/0:121:38:280
10050870,0irq/346-484840019-21ksoftirqd/121:48:101
237012800,0sleep09950irq/345-484840020:19:200
232752790,0sleep010050irq/346-484840020:16:260
276982760,0sleep09950irq/345-484840023:31:380
81740,0rcu_preempt3-21ksoftirqd/021:40:150
81740,0rcu_preempt3-21ksoftirqd/020:59:380
218862730,0sleep09950irq/345-484840020:14:070
81710,0rcu_preempt23112-21kworker/0:222:09:540
81700,0rcu_preempt3-21ksoftirqd/022:26:450
81700,0rcu_preempt22146-1kworker/1:2H22:37:331
142202690,0sleep09950irq/345-484840000:37:050
142202690,0sleep09950irq/345-484840000:37:050
81670,0rcu_preempt54-21kswapd020:26:300
81660,0rcu_preempt3-21ksoftirqd/023:49:240
81650,0rcu_preempt11180-1kworker/0:2H23:14:140
81640,0rcu_preempt6188-21kworker/0:123:05:200
81640,0rcu_preempt3-21ksoftirqd/021:31:300
81640,0rcu_preempt3-21ksoftirqd/021:20:010
81630,0rcu_preempt54-21kswapd023:02:520
81630,0rcu_preempt3-21ksoftirqd/022:14:390
81630,0rcu_preempt3-21ksoftirqd/020:44:430
81630,0rcu_preempt19-21ksoftirqd/121:39:561
81620,0rcu_preempt576-21cyclictest21:24:200
81620,0rcu_preempt3-21ksoftirqd/023:20:470
81620,0rcu_preempt3-21ksoftirqd/023:17:150
81620,0rcu_preempt3-21ksoftirqd/021:14:000
9950610,0irq/345-484840019393-1kworker/1:3H23:32:361
81610,0rcu_preempt3-21ksoftirqd/023:42:250
81610,0rcu_preempt3-21ksoftirqd/022:52:310
81610,0rcu_preempt3-21ksoftirqd/022:48:230
81610,0rcu_preempt3-21ksoftirqd/022:01:590
81610,0rcu_preempt3-21ksoftirqd/021:59:100
81610,0rcu_preempt19-21ksoftirqd/100:29:031
81600,0rcu_preempt3-21ksoftirqd/022:58:160
81600,0rcu_preempt3-21ksoftirqd/022:38:470
81600,0rcu_preempt3-21ksoftirqd/019:12:340
81600,0rcu_preempt3-21ksoftirqd/000:31:060
81600,0rcu_preempt3-21ksoftirqd/000:31:060
81590,0rcu_preempt3-21ksoftirqd/000:21:080
81590,0rcu_preempt19-21ksoftirqd/100:16:161
10050590,0irq/346-484840054-21kswapd022:49:441
81580,0rcu_preempt19-21ksoftirqd/123:35:291
81580,0rcu_preempt19-21ksoftirqd/123:23:091
81580,0rcu_preempt19-21ksoftirqd/122:29:241
81580,0rcu_preempt19-21ksoftirqd/121:35:431
81580,0rcu_preempt19-21ksoftirqd/121:28:461
81580,0rcu_preempt19-21ksoftirqd/119:25:391
81580,0rcu_preempt19-21ksoftirqd/100:36:031
81580,0rcu_preempt19-21ksoftirqd/100:36:031
81580,0rcu_preempt19-21ksoftirqd/100:06:201
81580,0rcu_preempt19-21ksoftirqd/100:01:561
81580,0rcu_preempt0-21swapper/022:44:010
10050580,0irq/346-484840054-21kswapd022:39:291
10050580,0irq/346-484840031245-1kworker/1:3H22:58:071
81570,0rcu_preempt3-21ksoftirqd/020:37:260
81570,0rcu_preempt3-21ksoftirqd/019:49:350
81570,0rcu_preempt19-21ksoftirqd/122:07:391
81570,0rcu_preempt19-21ksoftirqd/121:09:241
10050570,0irq/346-484840032379-1kworker/0:1H00:17:580
10050570,0irq/346-48484001137-21munin-node0
81560,0rcu_preempt54-21kswapd021:54:070
81560,0rcu_preempt3-21ksoftirqd/022:04:460
81560,0rcu_preempt19-21ksoftirqd/123:11:421
10050560,0irq/346-484840054-21kswapd000:19:481
10050560,0irq/346-4848400181ktimersoftd/123:27:281
9950550,0irq/345-484840029440-21latency_hist23:34:180
81550,0rcu_preempt0-21swapper/122:11:151
166742550,0chrt9950irq/345-484840023:18:551
81540,0rcu_preempt3-21ksoftirqd/023:55:580
81540,0rcu_preempt3-21ksoftirqd/022:23:040
81540,0rcu_preempt3-21ksoftirqd/021:15:430
81540,0rcu_preempt3-21ksoftirqd/019:40:560
81540,0rcu_preempt19-21ksoftirqd/100:14:121
81530,0rcu_preempt19-21ksoftirqd/121:57:541
108842530,0sleep19950irq/345-484840023:49:571
81520,0rcu_preempt3-21ksoftirqd/023:45:100
81510,0rcu_preempt19-21ksoftirqd/119:23:111
81510,0rcu_preempt0-21swapper/123:01:081
57999518,0cyclictest3902-21ping19:19:190
10050510,0irq/346-484840054-21kswapd023:40:401
10050510,0irq/346-48484000-21swapper/022:29:280
81500,0rcu_preempt0-21swapper/122:46:211
81490,0rcu_preempt3-21ksoftirqd/021:04:360
81490,0rcu_preempt19-21ksoftirqd/120:14:461
10050490,0irq/346-48484007070-1kworker/1:0H23:08:411
10050490,0irq/346-484840023493-1kworker/0:2H23:27:280
9950480,0irq/345-484840032414-1kworker/1:3H22:23:261
81480,0rcu_preempt3-21ksoftirqd/023:59:380
81480,0rcu_preempt19-21ksoftirqd/121:59:461
9950470,0irq/345-4848400751-21rngd22:18:521
81470,0rcu_preempt3-21ksoftirqd/020:04:390
81470,0rcu_preempt2789-21apt-get20:54:300
81470,0rcu_preempt19-21ksoftirqd/120:19:461
106232470,0sleep19950irq/345-484840021:52:301
10050470,0irq/346-484840054-21kswapd021:44:310
10050470,0irq/346-48484000-21swapper/000:04:490
9950460,0irq/345-484840032115-21sshd19:04:380
81460,0rcu_preempt3-21ksoftirqd/000:09:330
81460,0rcu_preempt25939-21kworker/0:120:33:070
81460,0rcu_preempt19-21ksoftirqd/122:28:501
81460,0rcu_preempt19-21ksoftirqd/120:04:421
57999461,0cyclictest16829-21ping19:59:460
10050460,0irq/346-48484003-21ksoftirqd/019:29:400
9950450,0irq/345-48484004915-21munin-node0
81450,0rcu_preempt30453-21df20:39:300
81450,0rcu_preempt19-21ksoftirqd/120:59:101
81450,0rcu_preempt19-21ksoftirqd/120:24:431
81450,0rcu_preempt19-21ksoftirqd/120:09:481
4350450,0irq/32-433000003-21ksoftirqd/019:44:360
4350450,0irq/32-433000003-21ksoftirqd/019:44:360
4350440,0irq/32-4330000010806-21dropbear19:39:361
81430,0rcu_preempt19-21ksoftirqd/121:14:331
81430,0rcu_preempt19-21ksoftirqd/120:59:291
81430,0rcu_preempt19-21ksoftirqd/120:41:271
81430,0rcu_preempt19-21ksoftirqd/119:34:371
81430,0rcu_preempt19-21ksoftirqd/119:04:351
81430,0rcu_preempt19-21ksoftirqd/100:33:251
81430,0rcu_preempt19-21ksoftirqd/100:33:251
10050430,0irq/346-484840015041-1kworker/0:0H19:54:470
10050430,0irq/346-484840015041-1kworker/0:0H19:54:470
81420,0rcu_preempt19-21ksoftirqd/119:59:481
10050420,0irq/346-48484003924-21sendmail-msp19:19:230
81410,0rcu_preempt19-21ksoftirqd/121:29:331
81410,0rcu_preempt19-21ksoftirqd/121:04:181
81410,0rcu_preempt19-21ksoftirqd/119:46:001
81410,0rcu_preempt19-21ksoftirqd/119:46:001
81400,0rcu_preempt19-21ksoftirqd/119:30:001
81400,0rcu_preempt19-21ksoftirqd/119:11:371
81400,0rcu_preempt0-21swapper/120:47:351
10050400,0irq/346-48484008587-1kworker/0:1H19:34:380
10050400,0irq/346-48484005233-1kworker/0:4H19:24:480
81390,0rcu_preempt5465-21apt23:44:271
81390,0rcu_preempt19-21ksoftirqd/123:54:421
81390,0rcu_preempt19-21ksoftirqd/120:53:251
81390,0rcu_preempt19-21ksoftirqd/120:30:261
81390,0rcu_preempt19-21ksoftirqd/119:14:441
81380,0rcu_preempt19-21ksoftirqd/120:39:171
81380,0rcu_preempt16232-21ps19:54:451
81380,0rcu_preempt16232-21ps19:54:451
81360,0rcu_preempt19-21ksoftirqd/119:51:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional