You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-24 - 00:28

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 Jul 23, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81920,0rcu_preempt3-21ksoftirqd/012:08:220
81900,0rcu_preempt3-21ksoftirqd/007:32:300
81900,0rcu_preempt3-21ksoftirqd/007:26:540
81750,0rcu_preempt32197-21ping08:12:050
81740,0rcu_preempt3-21ksoftirqd/010:48:540
81740,0rcu_preempt3-21ksoftirqd/010:40:360
81700,0rcu_preempt3-21ksoftirqd/010:53:440
81700,0rcu_preempt3-21ksoftirqd/010:20:340
81700,0rcu_preempt3-21ksoftirqd/009:43:050
81700,0rcu_preempt3-21ksoftirqd/007:12:190
16155996810,0cyclictest1781750kworker/0:3H09:41:030
81660,0rcu_preempt9156-21ntpq08:22:200
1615599661,0cyclictest12050-21munin-node0
81640,0rcu_preempt3642-21meminfo09:52:160
81640,0rcu_preempt3-21ksoftirqd/012:02:120
81640,0rcu_preempt19-21ksoftirqd/109:42:211
1615599641,0cyclictest22648-21apt-get10:12:070
1615599641,0cyclictest17817-1kworker/0:3H09:34:290
81630,0rcu_preempt3-21ksoftirqd/011:28:090
81630,0rcu_preempt29413-21apt-get07:47:060
81630,0rcu_preempt10070-21ssh10:32:180
1615599632,0cyclictest14158-21ssh11:42:230
1615599632,0cyclictest0-21swapper/010:00:270
1615599631,0cyclictest0-21swapper/010:10:220
10050630,0irq/346-48484002355-1kworker/1:3H10:29:311
10050630,0irq/346-48484001426-21munin-node12:26:371
81620,0rcu_preempt3-21ksoftirqd/009:02:100
81620,0rcu_preempt19-21ksoftirqd/110:57:121
1615599622,0cyclictest7776-21idleruntime-cro11:36:540
1615599622,0cyclictest5622-21munin-node0
1615599621,0cyclictest2117-21munin-node0
10050620,0irq/346-4848400580-1kworker/1:2H11:33:031
81610,0rcu_preempt3-21ksoftirqd/008:42:160
81610,0rcu_preempt19-21ksoftirqd/108:06:551
1615599612,0cyclictest5810-21ssh09:22:060
16155996111,0cyclictest227922chrt11:18:150
1615599611,0cyclictest29649-21df12:32:060
10050610,0irq/346-484840054-21kswapd012:09:421
10050610,0irq/346-484840029833-1kworker/1:2H10:19:201
1615599602,0cyclictest6254-21apt-get11:02:070
1615599602,0cyclictest22814-1kworker/0:1H09:07:100
1615599602,0cyclictest19090-21apt-get10:42:060
1615599602,0cyclictest19090-21apt-get10:42:060
1615599602,0cyclictest0-21swapper/011:13:100
1615599602,0cyclictest0-21swapper/011:13:100
1615599601,0cyclictest8084-21apt-get11:37:070
81590,0rcu_preempt3-21ksoftirqd/008:57:190
1615599598,0cyclictest30423-1kworker/0:1H09:17:490
1615599596,0cyclictest7432-1kworker/0:2H12:12:140
1615599594,0cyclictest10743-21apt-get09:27:050
1615599591,0cyclictest11783-21apt-get08:32:060
10050590,0irq/346-48484008553-1kworker/1:0H11:04:031
10050590,0irq/346-48484007373-1kworker/1:0H10:36:021
10050590,0irq/346-484840054-21kswapd010:24:001
10050590,0irq/346-484840054-21kswapd010:24:001
10050590,0irq/346-484840024228-1kworker/1:0H10:51:501
10050590,0irq/346-484840018315-1kworker/1:0H11:17:161
81580,0rcu_preempt3-21ksoftirqd/009:11:550
81580,0rcu_preempt3-21ksoftirqd/008:17:230
81580,0rcu_preempt3-21ksoftirqd/008:07:140
81580,0rcu_preempt31053-21apt-get07:52:070
1615599589,0cyclictest0-21swapper/011:58:500
1615599583,0cyclictest25727-21runrttasks11:21:590
1615599582,0cyclictest3277-21ssh10:24:550
1615599582,0cyclictest3277-21ssh10:24:550
1615599582,0cyclictest28855-21ssh12:31:270
1615599582,0cyclictest0-21swapper/012:22:280
1615599582,0cyclictest0-21swapper/011:55:250
1615599582,0cyclictest0-21swapper/011:47:200
1615599581,0cyclictest0-21swapper/012:21:060
10050580,0irq/346-4848400580-1kworker/1:2H11:29:111
10050580,0irq/346-484840054-21kswapd011:47:461
10050580,0irq/346-484840030043-1kworker/1:3H11:59:111
81570,0rcu_preempt19-21ksoftirqd/107:37:161
81570,0rcu_preempt11107-21ssh12:12:271
10050570,0irq/346-48484007997-21ssh11:36:591
10050570,0irq/346-484840027043-1kworker/1:1H12:33:241
10050570,0irq/346-484840025515-1kworker/1:0H09:13:141
10050570,0irq/346-484840019927-1kworker/1:1H10:16:331
10050570,0irq/346-484840013438-1kworker/1:2H11:10:371
1615599569,0cyclictest0-21swapper/010:05:590
1615599562,0cyclictest9950irq/345-484840009:48:520
1615599562,0cyclictest18223-21sort08:51:540
1615599562,0cyclictest0-21swapper/007:08:190
1615599561,0cyclictest29194-21runrttasks07:46:190
10050560,0irq/346-484840032602-1kworker/1:1H09:49:411
10050560,0irq/346-484840017816-1kworker/1:3H09:37:341
81550,0rcu_preempt19-21ksoftirqd/111:42:371
1615599552,0cyclictest0-21swapper/008:37:070
1615599551,0cyclictest18359-21munin-node0
10050550,0irq/346-48484007915-1kworker/1:2H09:24:451
10050550,0irq/346-484840025138-1kworker/1:2H11:54:451
10050550,0irq/346-484840014988-1kworker/1:3H10:06:401
1615599542,0cyclictest0-21swapper/007:27:040
1615599542,0cyclictest0-21swapper/007:27:040
16155995414,0cyclictest0-21swapper/008:02:130
1615599541,0cyclictest26790-21munin-node0
10050530,0irq/346-484840054-21kswapd010:08:361
10050530,0irq/346-484840054-21kswapd009:31:381
10050530,0irq/346-484840018811-1kworker/1:2H10:46:101
10050530,0irq/346-484840018811-1kworker/1:2H10:46:101
10050530,0irq/346-484840017814-1kworker/1:0H09:53:281
1615599522,0cyclictest0-21swapper/007:17:050
1615599521,0cyclictest11628-21munin-run08:31:540
10050520,0irq/346-484840017250-1kworker/1:1H12:20:111
1615599511,0cyclictest32707-21apt-get07:57:030
10050510,0irq/346-484840054-21kswapd009:33:561
10050510,0irq/346-48484005105-21ssh09:21:221
10050510,0irq/346-484840030010-1kworker/1:2H10:53:121
10050510,0irq/346-484840023242-1kworker/1:1H11:23:031
10050510,0irq/346-484840017961-21ssh10:40:461
10050500,0irq/346-484840018473-21ssh11:14:021
10050500,0irq/346-484840018473-21ssh11:14:021
10050490,0irq/346-484840025737-21ssh09:08:481
10050480,0irq/346-484840019435-21ping07:21:531
9950470,0irq/345-48484002538-1kworker/1:1H12:06:431
81470,0rcu_preempt4085-21kworker/0:207:04:190
10050470,0irq/346-484840010840-21ssh09:59:401
81450,0rcu_preempt25705-21grep12:27:211
81450,0rcu_preempt19-21ksoftirqd/107:27:121
81450,0rcu_preempt19-21ksoftirqd/107:27:121
10050440,0irq/346-484840019435-21ping07:22:181
81430,0rcu_preempt7507-21sshd08:17:191
81430,0rcu_preempt19-21ksoftirqd/108:42:041
81430,0rcu_preempt19-21ksoftirqd/108:22:171
10050430,0irq/346-484840019435-21ping07:42:201
81420,0rcu_preempt19-21ksoftirqd/108:02:081
81420,0rcu_preempt19-21ksoftirqd/107:32:251
81420,0rcu_preempt19-21ksoftirqd/107:16:541
81390,0rcu_preempt6697-21sendmail08:16:541
81390,0rcu_preempt54-21kswapd007:52:191
81390,0rcu_preempt19-21ksoftirqd/108:27:211
81390,0rcu_preempt19-21ksoftirqd/107:56:551
81380,0rcu_preempt19-21ksoftirqd/107:02:181
81370,0rcu_preempt19-21ksoftirqd/109:02:131
81370,0rcu_preempt19-21ksoftirqd/108:57:161
81370,0rcu_preempt19-21ksoftirqd/108:52:231
81370,0rcu_preempt19-21ksoftirqd/107:47:191
81370,0rcu_preempt19-21ksoftirqd/107:07:231
81360,0rcu_preempt19-21ksoftirqd/108:47:071
81360,0rcu_preempt19-21ksoftirqd/108:31:541
81350,0rcu_preempt19-21ksoftirqd/108:37:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional