You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-11 - 04:44

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 Wed Mar 11, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811240,0rcu_preempt19-21ksoftirqd/122:54:301
811200,0rcu_preempt851-21rngd21:19:331
811110,0rcu_preempt19-21ksoftirqd/120:04:331
811050,0rcu_preempt8315-21ssh21:52:331
811020,0rcu_preempt21794-21ssh23:44:301
811020,0rcu_preempt19-21ksoftirqd/123:37:311
811020,0rcu_preempt19-21ksoftirqd/100:35:321
81990,0rcu_preempt54-21kswapd023:22:381
81930,0rcu_preempt19-21ksoftirqd/122:08:311
81920,0rcu_preempt54-21kswapd023:58:251
81920,0rcu_preempt19-21ksoftirqd/121:11:521
81890,0rcu_preempt19-21ksoftirqd/100:24:321
81880,0rcu_preempt54-21kswapd021:30:371
81880,0rcu_preempt54-21kswapd021:26:381
81860,0rcu_preempt19-21ksoftirqd/122:47:141
81830,0rcu_preempt19-21ksoftirqd/123:59:571
81830,0rcu_preempt19-21ksoftirqd/122:14:371
81830,0rcu_preempt0-21swapper/122:42:191
81820,0rcu_preempt19-21ksoftirqd/119:23:501
81810,0rcu_preempt740-21kworker/1:123:04:221
81800,0rcu_preempt19-21ksoftirqd/123:25:211
81790,0rcu_preempt19-21ksoftirqd/122:50:241
81790,0rcu_preempt19-21ksoftirqd/121:18:431
81770,0rcu_preempt851-21rngd23:52:181
81770,0rcu_preempt15512-21munin-node1
81760,0rcu_preempt19-21ksoftirqd/122:59:391
81750,0rcu_preempt54-21kswapd023:33:481
81750,0rcu_preempt3-21ksoftirqd/022:11:040
81740,0rcu_preempt19-21ksoftirqd/121:47:101
81730,0rcu_preempt19-21ksoftirqd/123:40:501
81730,0rcu_preempt19-21ksoftirqd/121:39:311
81720,0rcu_preempt19-21ksoftirqd/122:39:021
81720,0rcu_preempt19-21ksoftirqd/119:44:411
81720,0rcu_preempt19-21ksoftirqd/119:41:211
81720,0rcu_preempt19-21ksoftirqd/119:33:211
81720,0rcu_preempt19-21ksoftirqd/100:34:011
81720,0rcu_preempt19-21ksoftirqd/100:34:011
81710,0rcu_preempt19-21ksoftirqd/123:17:021
81710,0rcu_preempt19-21ksoftirqd/119:38:211
81710,0rcu_preempt19-21ksoftirqd/100:15:251
81690,0rcu_preempt740-21kworker/1:100:08:431
81680,0rcu_preempt19-21ksoftirqd/122:10:381
81670,0rcu_preempt19-21ksoftirqd/122:28:541
81670,0rcu_preempt19-21ksoftirqd/100:21:451
81660,0rcu_preempt19-21ksoftirqd/121:36:191
81650,0rcu_preempt19-21ksoftirqd/119:14:281
81630,0rcu_preempt3-21ksoftirqd/000:28:400
81630,0rcu_preempt19-21ksoftirqd/122:33:171
81630,0rcu_preempt19-21ksoftirqd/120:19:031
2300199632,0cyclictest0-21swapper/021:23:510
2300199631,0cyclictest14960-1kworker/0:3H00:14:430
81620,0rcu_preempt19-21ksoftirqd/120:44:291
81610,0rcu_preempt19-21ksoftirqd/122:20:011
2300199619,0cyclictest15349-21taskset23:38:420
2300199617,0cyclictest1681-1kworker/0:1H22:51:290
2300199612,0cyclictest0-21swapper/000:23:060
2300199611,0cyclictest32275-21apt-get21:44:130
81590,0rcu_preempt19-21ksoftirqd/120:59:131
2300199596,0cyclictest3834-1kworker/0:2H23:46:170
2300199593,0cyclictest0-21swapper/023:08:050
2300199592,0cyclictest10051-21munin-node0
23001995916,0cyclictest27642-21munin-node0
2300199591,0cyclictest17874-21ssh23:40:280
2300199591,0cyclictest12640-21taskset21:24:140
81580,0rcu_preempt19-21ksoftirqd/100:11:201
2300199589,0cyclictest18321-1kworker/0:2H21:37:520
2300199587,0cyclictest16482-1kworker/0:1H23:09:250
2300199587,0cyclictest16482-1kworker/0:1H23:09:250
2300199586,0cyclictest0-21swapper/021:29:270
2300199582,0cyclictest31232-21awk21:09:310
23001995812,0cyclictest3834-1kworker/0:2H23:29:130
2300199581,0cyclictest0-21swapper/022:45:380
81570,0rcu_preempt19-21ksoftirqd/121:04:141
81570,0rcu_preempt19-21ksoftirqd/120:39:231
2300199573,0cyclictest0-21swapper/000:01:170
2300199572,0cyclictest343-21sh00:29:170
2300199572,0cyclictest343-21sh00:29:170
2300199572,0cyclictest13297-21rm23:03:410
2300199572,0cyclictest0-21swapper/023:20:130
2300199563,0cyclictest0-21swapper/022:17:560
2300199562,0cyclictest27099-21runrttasks19:19:350
2300199562,0cyclictest0-21swapper/023:25:240
23001995612,0cyclictest9481-21ssh22:26:200
2300199561,0cyclictest54-21kswapd022:34:430
2300199561,0cyclictest13410-21if_err_eth200:09:220
23001995610,0cyclictest1966-21apt-get22:19:140
81550,0rcu_preempt19-21ksoftirqd/121:55:251
81550,0rcu_preempt19-21ksoftirqd/120:19:281
81550,0rcu_preempt19-21ksoftirqd/119:54:181
2300199552,0cyclictest26279-21ping19:44:160
2300199552,0cyclictest0-21swapper/023:56:260
2300199552,0cyclictest0-21swapper/023:50:120
2300199552,0cyclictest0-21swapper/021:17:550
23001995513,0cyclictest14743-21ssh22:31:480
2300199551,0cyclictest0-21swapper/022:06:000
81540,0rcu_preempt19-21ksoftirqd/120:49:161
81540,0rcu_preempt19-21ksoftirqd/120:25:001
81540,0rcu_preempt19-21ksoftirqd/120:03:351
81540,0rcu_preempt19-21ksoftirqd/119:49:211
2300199549,0cyclictest0-21swapper/021:39:260
2300199542,0cyclictest26279-21ping19:29:140
2300199542,0cyclictest0-21swapper/022:54:160
2300199542,0cyclictest0-21swapper/020:29:150
23001995413,0cyclictest4822-21ssh21:49:150
23001995412,0cyclictest18176-1kworker/0:2H20:34:310
2300199541,0cyclictest0-21swapper/020:14:230
81530,0rcu_preempt19-21ksoftirqd/120:54:211
81530,0rcu_preempt19-21ksoftirqd/120:13:511
81530,0rcu_preempt19-21ksoftirqd/119:09:211
2300199533,0cyclictest0-21swapper/023:14:330
2300199532,0cyclictest5625-21sh00:34:240
23001995319,0cyclictest0-21swapper/021:59:460
23001995311,0cyclictest4046-21df19:49:180
81520,0rcu_preempt19-21ksoftirqd/120:34:241
2300199523,0cyclictest0-21swapper/019:34:340
2300199522,0cyclictest28864-21munin-node0
2300199522,0cyclictest25171-21if_eth019:14:210
2300199522,0cyclictest0-21swapper/022:40:500
2300199521,0cyclictest8058-21ssh00:04:140
81510,0rcu_preempt19651-21ps23:09:301
81510,0rcu_preempt19651-21ps23:09:301
2300199518,0cyclictest54-21kswapd020:04:150
2300199513,0cyclictest0-21swapper/020:19:160
2300199512,0cyclictest6612-21ping20:24:130
2300199512,0cyclictest0-21swapper/019:54:240
81500,0rcu_preempt19-21ksoftirqd/120:29:301
2300199506,0cyclictest23717-21runrttasks19:09:250
2300199502,0cyclictest531-21apt-get19:39:170
23001995012,0cyclictest0-21swapper/020:54:170
23001995012,0cyclictest0-21swapper/020:49:270
2300199493,0cyclictest0-21swapper/020:44:290
2300199482,0cyclictest11055-21grep20:09:290
2300199471,0cyclictest8179-21grep19:59:360
23001994613,0cyclictest0-21swapper/020:39:130
2300199452,0cyclictest0-21swapper/021:09:040
81440,0rcu_preempt21493-21apt-get19:04:150
81440,0rcu_preempt19-21ksoftirqd/119:24:111
81430,0rcu_preempt19-21ksoftirqd/119:04:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional