You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-21 - 20:28

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 Fri Aug 21, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81890,0rcu_preempt14810-1kworker/1:0H11:28:111
81700,0rcu_preempt5319-21apt-get11:49:521
81700,0rcu_preempt5319-21apt-get11:49:521
81670,0rcu_preempt9950irq/345-484840011:43:181
81660,0rcu_preempt3-21ksoftirqd/011:59:560
81650,0rcu_preempt19-21ksoftirqd/107:36:221
1484996521,0cyclictest28064-1kworker/0:0H11:09:510
81630,0rcu_preempt3-21ksoftirqd/010:55:320
1484996321,0cyclictest12583-1kworker/0:0H09:46:470
1484996116,0cyclictest16075-1kworker/0:0H09:18:040
1484996116,0cyclictest12407-1kworker/0:2H11:06:030
81600,0rcu_preempt836-21rngd11:41:140
81600,0rcu_preempt3-21ksoftirqd/008:00:040
1484996015,0cyclictest27107-1kworker/0:1H12:16:000
81590,0rcu_preempt19-21ksoftirqd/111:29:391
81590,0rcu_preempt17715-21ping08:04:490
81580,0rcu_preempt3-21ksoftirqd/012:05:080
81580,0rcu_preempt3-21ksoftirqd/010:40:080
81580,0rcu_preempt10992-1kworker/0:2H07:39:400
81580,0rcu_preempt10992-1kworker/0:2H07:39:400
1484995815,0cyclictest3049-1kworker/0:2H11:51:550
1484995815,0cyclictest3049-1kworker/0:2H11:51:550
1484995811,0cyclictest25509-1kworker/0:0H11:38:200
81570,0rcu_preempt3-21ksoftirqd/012:29:490
81570,0rcu_preempt19-21ksoftirqd/109:15:041
81570,0rcu_preempt19-21ksoftirqd/107:39:541
81570,0rcu_preempt19-21ksoftirqd/107:39:541
1484995711,0cyclictest11126-1kworker/0:3H09:12:390
81560,0rcu_preempt3-21ksoftirqd/008:10:090
81560,0rcu_preempt3-21ksoftirqd/007:55:020
81560,0rcu_preempt19-21ksoftirqd/111:45:051
81560,0rcu_preempt19-21ksoftirqd/109:53:331
1484995619,0cyclictest21040-21ssh09:21:410
1484995616,0cyclictest12981-21basename11:24:510
81550,0rcu_preempt3-21ksoftirqd/011:29:490
81550,0rcu_preempt3-21ksoftirqd/011:00:560
1484995520,0cyclictest6521-21munin-node0
1484995517,0cyclictest0-21swapper/009:24:520
1484995515,0cyclictest7629-1kworker/0:2H10:05:380
1484995515,0cyclictest732-1kworker/0:0H10:11:230
1484995515,0cyclictest19605-1kworker/0:2H12:38:200
1484995510,0cyclictest7427-1kworker/0:0H10:49:510
10050550,0irq/346-484840054-21kswapd012:21:491
10050550,0irq/346-484840054-21kswapd010:39:581
81540,0rcu_preempt3-21ksoftirqd/011:49:120
81540,0rcu_preempt3-21ksoftirqd/009:59:540
81540,0rcu_preempt19-21ksoftirqd/110:25:081
1484995421,0cyclictest446-1kworker/0:3H10:45:120
1484995419,0cyclictest31356-21runrttasks09:32:170
1484995415,0cyclictest2692-1kworker/0:0H09:36:170
1484995410,0cyclictest7820-21ssh11:19:400
10050540,0irq/346-484840054-21kswapd011:00:471
10050540,0irq/346-484840054-21kswapd010:57:341
10050540,0irq/346-484840054-21kswapd010:49:281
81530,0rcu_preempt3-21ksoftirqd/012:12:480
1484995320,0cyclictest15715-1kworker/0:3H10:25:000
1484995316,0cyclictest25619-1kworker/0:1H10:32:080
9950520,0irq/345-4848400836-21rngd12:38:061
81520,0rcu_preempt3-21ksoftirqd/010:34:560
81520,0rcu_preempt3-21ksoftirqd/008:26:310
1484995221,0cyclictest7629-1kworker/0:2H09:50:290
1484995216,0cyclictest5737-1kworker/0:2H10:15:380
81510,0rcu_preempt3-21ksoftirqd/012:25:060
81510,0rcu_preempt19-21ksoftirqd/110:50:031
1484995122,0cyclictest8460-21diskmemload09:54:590
10050510,0irq/346-484840054-21kswapd010:18:501
10050510,0irq/346-484840054-21kswapd009:37:431
10050510,0irq/346-484840054-21kswapd009:26:041
81500,0rcu_preempt8722-21ssh09:09:481
81500,0rcu_preempt3-21ksoftirqd/008:29:570
81500,0rcu_preempt19-21ksoftirqd/112:09:561
81500,0rcu_preempt19-21ksoftirqd/110:29:401
1484995017,0cyclictest5802-21seq11:17:130
1484995015,0cyclictest4763-21ping07:39:400
10050500,0irq/346-484840054-21kswapd012:25:011
10050500,0irq/346-484840024489-21ssh11:35:401
81490,0rcu_preempt4763-21ping07:19:560
81490,0rcu_preempt3-21ksoftirqd/008:18:320
81490,0rcu_preempt19-21ksoftirqd/111:59:561
81490,0rcu_preempt14745-21apt-get07:49:490
1484994919,0cyclictest32106-21runrttasks08:40:050
1484994915,0cyclictest32085-1kworker/0:0H12:20:400
10050490,0irq/346-484840054-21kswapd011:55:000
10050490,0irq/346-484840054-21kswapd011:55:000
81480,0rcu_preempt3-21ksoftirqd/009:09:400
81480,0rcu_preempt27147-21kworker/1:111:05:591
1484994816,0cyclictest15715-1kworker/0:3H10:21:500
1484994812,0cyclictest4872-1kworker/0:3H08:59:410
10050480,0irq/346-484840054-21kswapd011:14:521
81470,0rcu_preempt3-21ksoftirqd/008:50:070
81470,0rcu_preempt3-21ksoftirqd/007:04:570
81470,0rcu_preempt19-21ksoftirqd/109:59:551
81470,0rcu_preempt19-21ksoftirqd/107:27:431
81470,0rcu_preempt14371-21kworker/1:008:44:591
1484994717,0cyclictest13326-21munin-node0
10050470,0irq/346-48484006603-21ssh09:40:031
10050470,0irq/346-484840054-21kswapd008:15:081
81460,0rcu_preempt19-21ksoftirqd/111:19:571
81460,0rcu_preempt19-21ksoftirqd/107:47:521
81460,0rcu_preempt19-21ksoftirqd/107:19:521
81460,0rcu_preempt13568-21ssh10:19:571
1484994629,0cyclictest24607-21runrttasks08:19:490
1484994622,0cyclictest4763-21ping07:29:500
1484994621,0cyclictest0-21swapper/007:15:000
10050460,0irq/346-484840054-21kswapd012:07:331
10050460,0irq/346-4848400126022chrt11:56:351
10050460,0irq/346-4848400126022chrt11:56:351
10050460,0irq/346-48484000-21swapper/109:32:011
9950450,0irq/345-484840028247-21df10:34:521
9950450,0irq/345-48484000-21swapper/112:14:591
81450,0rcu_preempt21223-21grep08:09:401
81450,0rcu_preempt19-21ksoftirqd/107:30:121
1484994521,0cyclictest4763-21ping07:24:500
1484994515,0cyclictest31031-21latency_hist08:39:390
10050450,0irq/346-4848400836-21rngd10:14:361
81440,0rcu_preempt19-21ksoftirqd/109:00:031
81440,0rcu_preempt19-21ksoftirqd/108:00:011
81440,0rcu_preempt14906-21cpu07:49:511
81430,0rcu_preempt19-21ksoftirqd/112:29:581
81430,0rcu_preempt19-21ksoftirqd/109:45:091
81430,0rcu_preempt19-21ksoftirqd/108:35:041
81430,0rcu_preempt19-21ksoftirqd/108:10:051
1484994320,0cyclictest0-21swapper/007:09:480
1484994315,0cyclictest0-21swapper/008:44:540
10050430,0irq/346-484840054-21kswapd011:11:281
81420,0rcu_preempt19-21ksoftirqd/110:09:251
81420,0rcu_preempt19-21ksoftirqd/109:20:091
81420,0rcu_preempt19-21ksoftirqd/108:54:521
81420,0rcu_preempt19-21ksoftirqd/108:24:501
81420,0rcu_preempt19-21ksoftirqd/108:20:001
1484994213,0cyclictest5158-21cron08:59:380
81410,0rcu_preempt19-21ksoftirqd/107:14:591
81410,0rcu_preempt0-21swapper/109:05:031
81400,0rcu_preempt19-21ksoftirqd/109:54:391
81400,0rcu_preempt19-21ksoftirqd/108:39:501
81400,0rcu_preempt19-21ksoftirqd/108:29:501
81400,0rcu_preempt19-21ksoftirqd/107:59:341
81390,0rcu_preempt19-21ksoftirqd/108:49:541
81390,0rcu_preempt19-21ksoftirqd/107:09:491
81390,0rcu_preempt1-21init07:07:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional