You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-31 - 09:24

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 Jul 31, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811220,0rcu_preempt19-21ksoftirqd/119:40:201
811170,0rcu_preempt28851-21meminfo19:45:211
811160,0rcu_preempt19-21ksoftirqd/123:10:231
811110,0rcu_preempt19-21ksoftirqd/123:35:131
811110,0rcu_preempt19-21ksoftirqd/123:35:131
811110,0rcu_preempt19-21ksoftirqd/100:27:551
811100,0rcu_preempt19-21ksoftirqd/121:17:021
811080,0rcu_preempt19-21ksoftirqd/122:14:081
811070,0rcu_preempt836-21rngd20:10:171
811050,0rcu_preempt29788-21kworker/1:122:07:591
811040,0rcu_preempt19-21ksoftirqd/121:41:121
811040,0rcu_preempt19-21ksoftirqd/121:25:261
811040,0rcu_preempt19-21ksoftirqd/121:25:261
811030,0rcu_preempt2215-21kworker/1:223:17:021
811000,0rcu_preempt19-21ksoftirqd/122:50:241
81990,0rcu_preempt19-21ksoftirqd/121:39:121
81990,0rcu_preempt19-21ksoftirqd/121:39:121
81980,0rcu_preempt19-21ksoftirqd/121:46:441
81970,0rcu_preempt19-21ksoftirqd/119:30:301
81950,0rcu_preempt19-21ksoftirqd/123:56:361
81940,0rcu_preempt19-21ksoftirqd/122:00:261
81930,0rcu_preempt19-21ksoftirqd/123:00:341
81930,0rcu_preempt19-21ksoftirqd/119:40:011
81930,0rcu_preempt19-21ksoftirqd/100:15:271
81920,0rcu_preempt19-21ksoftirqd/122:48:491
81910,0rcu_preempt22329-21ps00:20:271
81910,0rcu_preempt19-21ksoftirqd/121:56:581
81910,0rcu_preempt19-21ksoftirqd/119:29:441
81900,0rcu_preempt20300-21df_inode19:20:171
81890,0rcu_preempt0-21swapper/121:14:311
81880,0rcu_preempt19-21ksoftirqd/121:30:221
81870,0rcu_preempt19-21ksoftirqd/122:59:481
81870,0rcu_preempt19-21ksoftirqd/122:43:321
81870,0rcu_preempt19-21ksoftirqd/121:09:111
81870,0rcu_preempt19-21ksoftirqd/100:13:001
81860,0rcu_preempt19-21ksoftirqd/123:07:221
81860,0rcu_preempt19-21ksoftirqd/122:23:031
81850,0rcu_preempt19-21ksoftirqd/123:25:281
81850,0rcu_preempt19-21ksoftirqd/122:18:481
81850,0rcu_preempt19-21ksoftirqd/121:52:521
81840,0rcu_preempt19-21ksoftirqd/123:43:181
81840,0rcu_preempt19-21ksoftirqd/100:34:261
81830,0rcu_preempt2215-21kworker/1:223:30:451
81810,0rcu_preempt1445-21runrttasks20:17:311
81800,0rcu_preempt19-21ksoftirqd/122:36:561
81780,0rcu_preempt19-21ksoftirqd/122:26:411
81780,0rcu_preempt1445-21runrttasks20:02:111
81770,0rcu_preempt19-21ksoftirqd/121:00:001
81760,0rcu_preempt19-21ksoftirqd/123:46:131
81740,0rcu_preempt19-21ksoftirqd/123:23:211
81730,0rcu_preempt19-21ksoftirqd/122:32:101
81720,0rcu_preempt19-21ksoftirqd/120:23:231
81720,0rcu_preempt19-21ksoftirqd/120:05:061
81710,0rcu_preempt2215-21kworker/1:223:52:251
1664799705,0cyclictest32437-1kworker/0:0H22:22:590
81690,0rcu_preempt2215-21kworker/1:200:05:211
81680,0rcu_preempt3-21ksoftirqd/022:35:530
81680,0rcu_preempt0-21swapper/100:04:101
81680,0rcu_preempt0-21swapper/100:04:101
81660,0rcu_preempt19-21ksoftirqd/121:20:131
1664799662,0cyclictest0-21swapper/023:27:280
81650,0rcu_preempt19-21ksoftirqd/119:59:131
81640,0rcu_preempt19-21ksoftirqd/120:40:191
81640,0rcu_preempt19-21ksoftirqd/120:34:241
81640,0rcu_preempt19-21ksoftirqd/119:15:221
81640,0rcu_preempt0-21swapper/119:54:341
81630,0rcu_preempt21473-21unixbench_multi21:00:271
81630,0rcu_preempt19-21ksoftirqd/100:36:341
81620,0rcu_preempt19-21ksoftirqd/119:10:111
16647996215,0cyclictest0-21swapper/000:20:220
81610,0rcu_preempt19-21ksoftirqd/120:50:131
81610,0rcu_preempt19-21ksoftirqd/120:37:061
81600,0rcu_preempt3-21ksoftirqd/019:20:180
1664799604,0cyclictest1837-21awk20:00:320
1664799602,0cyclictest3883-21php-cgi23:30:170
1664799596,0cyclictest1314450kworker/0:2H23:08:350
1664799592,0cyclictest26557-21sh00:25:140
1664799592,0cyclictest1445-21runrttasks23:39:080
1664799592,0cyclictest1445-21runrttasks23:39:080
1664799592,0cyclictest0-21swapper/022:52:550
16647995911,0cyclictest32141-21rm00:30:230
1664799583,0cyclictest0-21swapper/023:55:110
1664799583,0cyclictest0-21swapper/023:22:300
1664799583,0cyclictest0-21swapper/021:19:120
1664799582,0cyclictest0-21swapper/023:19:020
16647995810,0cyclictest11976-21if_eth200:10:230
1664799573,0cyclictest0-21swapper/022:45:520
1664799573,0cyclictest0-21swapper/019:25:310
1664799573,0cyclictest0-21swapper/000:04:550
1664799573,0cyclictest0-21swapper/000:04:550
1664799572,0cyclictest25675-21munin-node0
1664799572,0cyclictest14286-21ssh21:32:020
1664799572,0cyclictest10353-21ssh21:28:300
1664799572,0cyclictest10353-21ssh21:28:300
16647995716,0cyclictest26052-21ssh22:15:260
16647995715,0cyclictest0-21swapper/021:50:110
1664799571,0cyclictest384-21ping20:15:240
1664799571,0cyclictest28904-21sshd21:46:110
1664799571,0cyclictest19927-21ping19:45:110
16647995614,0cyclictest15932-21aten_rapower_vo23:10:130
16647995613,0cyclictest8814-21sendmail-msp00:39:590
1664799561,0cyclictest10386-21ssh23:04:500
16647995610,0cyclictest19927-21ping19:40:120
81550,0rcu_preempt0-21swapper/120:48:101
1664799553,0cyclictest0-21swapper/022:04:420
1664799552,0cyclictest8552-21ssh21:58:410
1664799552,0cyclictest1445-21runrttasks23:45:570
1664799552,0cyclictest0-21swapper/023:52:320
1664799552,0cyclictest0-21swapper/022:58:530
1664799552,0cyclictest0-21swapper/021:00:250
1664799552,0cyclictest0-21swapper/020:10:250
16647995513,0cyclictest0-21swapper/022:25:120
1664799551,0cyclictest0-21swapper/021:14:170
1664799542,0cyclictest384-21ping20:05:170
1664799542,0cyclictest15717-21munin-node0
1664799542,0cyclictest0-21swapper/022:30:300
1664799541,0cyclictest5547-21sh21:23:490
1664799541,0cyclictest19927-21ping19:30:150
1664799541,0cyclictest0-21swapper/021:42:160
1664799532,0cyclictest0-21swapper/022:10:290
16647995313,0cyclictest0-21swapper/023:41:160
1664799531,0cyclictest0-21swapper/022:41:430
81520,0rcu_preempt19-21ksoftirqd/120:25:271
1664799527,0cyclictest0-21swapper/019:50:150
16647995213,0cyclictest0-21swapper/000:16:490
1664799508,0cyclictest19120-1kworker/0:0H21:39:400
1664799508,0cyclictest19120-1kworker/0:0H21:39:400
1664799501,0cyclictest0-21swapper/020:58:400
1664799491,0cyclictest384-21ping19:59:080
10050490,0irq/346-48484000-21swapper/020:20:120
1664799465,0cyclictest0-21swapper/021:06:370
81450,0rcu_preempt19-21ksoftirqd/119:05:171
10050450,0irq/346-48484000-21swapper/000:05:410
81430,0rcu_preempt15139-21apt-get19:05:100
81410,0rcu_preempt3-21ksoftirqd/020:35:120
81400,0rcu_preempt3-21ksoftirqd/020:40:190
81390,0rcu_preempt3-21ksoftirqd/020:50:160
81390,0rcu_preempt3-21ksoftirqd/019:20:000
81370,0rcu_preempt3-21ksoftirqd/020:45:160
81360,0rcu_preempt3-21ksoftirqd/020:30:090
81350,0rcu_preempt3-21ksoftirqd/020:25:280
81350,0rcu_preempt3-21ksoftirqd/019:10:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional