You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-01-12 - 14:56

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 Mon Jan 12, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811440,0rcu_preempt19-21ksoftirqd/108:05:191
811070,0rcu_preempt19-21ksoftirqd/112:33:191
811060,0rcu_preempt19-21ksoftirqd/109:27:351
811050,0rcu_preempt19-21ksoftirqd/109:52:571
811000,0rcu_preempt19-21ksoftirqd/108:45:101
81870,0rcu_preempt19-21ksoftirqd/111:55:201
81870,0rcu_preempt19-21ksoftirqd/111:05:371
81840,0rcu_preempt19-21ksoftirqd/112:25:071
81830,0rcu_preempt19-21ksoftirqd/112:21:271
81830,0rcu_preempt19-21ksoftirqd/112:15:481
81810,0rcu_preempt19-21ksoftirqd/110:25:221
81800,0rcu_preempt19-21ksoftirqd/112:13:251
81800,0rcu_preempt19-21ksoftirqd/110:50:091
81790,0rcu_preempt19-21ksoftirqd/108:16:571
81780,0rcu_preempt19-21ksoftirqd/108:12:461
81760,0rcu_preempt19-21ksoftirqd/110:36:431
81750,0rcu_preempt19-21ksoftirqd/109:40:161
81750,0rcu_preempt19-21ksoftirqd/109:30:301
81740,0rcu_preempt19-21ksoftirqd/112:38:361
81740,0rcu_preempt19-21ksoftirqd/110:10:211
81710,0rcu_preempt6079-1kworker/1:1H11:45:361
81710,0rcu_preempt19-21ksoftirqd/111:25:101
81710,0rcu_preempt19-21ksoftirqd/111:22:101
81710,0rcu_preempt19-21ksoftirqd/110:45:191
81710,0rcu_preempt0-21swapper/111:01:271
81690,0rcu_preempt19-21ksoftirqd/108:21:481
81670,0rcu_preempt3-21ksoftirqd/011:55:030
81670,0rcu_preempt19-21ksoftirqd/111:42:121
81670,0rcu_preempt19-21ksoftirqd/110:55:251
81670,0rcu_preempt19-21ksoftirqd/110:40:171
81670,0rcu_preempt19-21ksoftirqd/108:50:171
1255099671,0cyclictest24586-21grep12:35:180
81650,0rcu_preempt19-21ksoftirqd/111:18:431
81640,0rcu_preempt19-21ksoftirqd/107:10:131
81630,0rcu_preempt19-21ksoftirqd/108:25:301
81630,0rcu_preempt19-21ksoftirqd/107:30:191
81630,0rcu_preempt19-21ksoftirqd/107:30:191
1255099631,0cyclictest3922-21apt-get11:40:080
1255099622,0cyclictest0-21swapper/012:25:250
1255099621,0cyclictest10949-1kworker/0:0H11:49:290
81610,0rcu_preempt19-21ksoftirqd/111:50:501
81610,0rcu_preempt19-21ksoftirqd/109:04:581
1255099613,0cyclictest0-21swapper/009:20:070
1255099612,0cyclictest23492-21ssh09:13:340
1255099612,0cyclictest23492-21ssh09:13:340
12550996113,0cyclictest14559-21ssh09:37:220
1255099611,0cyclictest26433-21apt-get09:50:080
81600,0rcu_preempt3-21ksoftirqd/010:40:130
81600,0rcu_preempt19-21ksoftirqd/112:02:061
81600,0rcu_preempt19-21ksoftirqd/109:38:331
1255099606,0cyclictest25368-1kworker/0:3H10:23:230
1255099602,0cyclictest0-21swapper/009:40:090
1255099601,0cyclictest2539-21runrttasks12:11:190
1255099601,0cyclictest0-21swapper/010:15:260
1255099595,0cyclictest24030-21sh12:00:210
1255099591,0cyclictest2874-21runrttasks10:31:460
1255099591,0cyclictest22126-1kworker/0:1H07:40:070
1255099591,0cyclictest15841-21ping07:20:240
1255099591,0cyclictest13847-21ssh11:50:110
1255099591,0cyclictest0-21swapper/011:39:390
1255099591,0cyclictest0-21swapper/011:22:290
81580,0rcu_preempt19-21ksoftirqd/111:39:481
81580,0rcu_preempt19-21ksoftirqd/110:30:141
81580,0rcu_preempt19-21ksoftirqd/110:22:411
1255099587,0cyclictest11439-1kworker/0:2H10:10:070
1255099583,0cyclictest0-21swapper/008:55:110
1255099582,0cyclictest2311-21ssh11:05:090
12550995813,0cyclictest4521-21meminfo10:00:210
1255099581,0cyclictest9293-21apt-get12:20:050
1255099581,0cyclictest0-21swapper/012:33:050
1255099581,0cyclictest0-21swapper/009:48:190
81570,0rcu_preempt19-21ksoftirqd/108:44:581
1255099573,0cyclictest0-21swapper/009:15:120
1255099573,0cyclictest0-21swapper/009:15:120
1255099572,0cyclictest8906-21ssh12:19:450
1255099572,0cyclictest569-21runrttasks11:03:060
1255099572,0cyclictest26376-21ssh10:55:400
12550995714,0cyclictest13299-21ssh10:09:530
1255099571,0cyclictest7149-21apt-get11:10:080
1255099571,0cyclictest28167-21apt-get12:05:070
1255099571,0cyclictest25969-21wget07:50:090
1255099571,0cyclictest25420-1kworker/0:0H07:59:580
1255099571,0cyclictest19031-21rm10:48:520
1255099571,0cyclictest1425-21chrt09:57:080
1255099571,0cyclictest1425-21chrt09:57:080
1255099571,0cyclictest0-21swapper/011:30:410
1255099571,0cyclictest0-21swapper/011:27:270
12550995710,0cyclictest0-21swapper/010:54:130
81560,0rcu_preempt19-21ksoftirqd/112:05:201
81560,0rcu_preempt19-21ksoftirqd/111:34:481
81560,0rcu_preempt19-21ksoftirqd/110:15:091
81560,0rcu_preempt19-21ksoftirqd/109:00:151
1255099562,0cyclictest54-21kswapd008:19:590
1255099562,0cyclictest0-21swapper/010:29:090
1255099561,0cyclictest7707-21munin-node0
81550,0rcu_preempt19-21ksoftirqd/109:17:311
81550,0rcu_preempt19-21ksoftirqd/109:17:311
1255099552,0cyclictest0-21swapper/011:17:170
1255099551,0cyclictest29157-21apt-get08:00:090
1255099551,0cyclictest29157-21apt-get08:00:090
1255099551,0cyclictest2117-21apt-get09:25:070
1255099551,0cyclictest15921-21latency_hist07:19:590
81540,0rcu_preempt19-21ksoftirqd/108:30:251
1255099541,0cyclictest5493-21apt-get10:35:080
1255099541,0cyclictest11750-21ssh08:45:110
1255099531,0cyclictest4973-21apt-get08:25:070
81520,0rcu_preempt19290-1kworker/1:1H09:20:051
81520,0rcu_preempt19-21ksoftirqd/111:10:421
81520,0rcu_preempt19-21ksoftirqd/109:45:191
81520,0rcu_preempt19-21ksoftirqd/107:20:051
1255099529,0cyclictest18878-21munin-node0
1255099525,0cyclictest13993-21swap08:50:220
1255099522,0cyclictest0-21swapper/008:35:210
1255099521,0cyclictest9917-21apt-get08:40:090
1255099521,0cyclictest30797-21apt-get08:05:090
81510,0rcu_preempt19-21ksoftirqd/109:57:451
81510,0rcu_preempt19-21ksoftirqd/109:57:451
81510,0rcu_preempt19-21ksoftirqd/109:10:041
81510,0rcu_preempt19-21ksoftirqd/109:10:041
1255099514,0cyclictest19932-21runrttasks07:30:290
1255099514,0cyclictest19932-21runrttasks07:30:290
1255099512,0cyclictest554-21taskset08:10:190
1255099512,0cyclictest15841-21ping07:35:090
1255099511,0cyclictest3276-21wc08:19:590
1255099502,0cyclictest12697-21apt-get07:10:070
1255099501,0cyclictest3-21ksoftirqd/007:25:100
1255099501,0cyclictest12790-1kworker/0:0H08:59:580
81490,0rcu_preempt19-21ksoftirqd/107:40:081
1255099495,0cyclictest3-21ksoftirqd/007:45:100
81480,0rcu_preempt3-21ksoftirqd/007:05:140
1255099481,0cyclictest7269-21munin-node0
81460,0rcu_preempt19-21ksoftirqd/108:00:021
81460,0rcu_preempt19-21ksoftirqd/108:00:021
81460,0rcu_preempt19-21ksoftirqd/107:15:201
10050460,0irq/346-484840028707-1kworker/1:0H07:57:051
81450,0rcu_preempt12548-21cyclictest10:00:251
10050450,0irq/346-48484001426-21munin-node10:08:391
81440,0rcu_preempt19-21ksoftirqd/108:35:181
81420,0rcu_preempt11688-21ntpdc07:05:181
81400,0rcu_preempt19-21ksoftirqd/107:50:191
81370,0rcu_preempt21136-21diskstats07:35:151
81360,0rcu_preempt0-21swapper/108:56:251
81350,0rcu_preempt15841-21ping07:45:171
10050350,0irq/346-48484000-21swapper/107:25:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional