You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-16 - 12:57

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 Sat May 16, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811080,0rcu_preempt3-21ksoftirqd/022:28:160
81940,0rcu_preempt3-21ksoftirqd/021:53:210
81930,0rcu_preempt3-21ksoftirqd/020:53:220
81870,0rcu_preempt3-21ksoftirqd/023:58:300
10050760,0irq/346-484840031192-1kworker/0:0H23:44:050
10050760,0irq/346-484840021317-1kworker/0:0H23:30:400
81740,0rcu_preempt3-21ksoftirqd/022:58:120
10050740,0irq/346-48484001164-1kworker/0:1H21:34:580
10050730,0irq/346-484840011478-1kworker/0:2H23:34:470
81720,0rcu_preempt3-21ksoftirqd/021:15:160
81710,0rcu_preempt3-21ksoftirqd/021:49:400
10050700,0irq/346-484840020119-1kworker/0:0H22:43:590
10050690,0irq/346-484840030668-1kworker/0:1H22:01:280
81680,0rcu_preempt3-21ksoftirqd/000:28:200
81650,0rcu_preempt54-21kswapd022:33:220
81650,0rcu_preempt17412-21dropbear22:53:160
81640,0rcu_preempt3-21ksoftirqd/023:53:170
81640,0rcu_preempt3-21ksoftirqd/021:18:310
10050630,0irq/346-48484006074-1kworker/0:2H21:43:560
10050630,0irq/346-484840024128-1kworker/0:0H23:03:290
81620,0rcu_preempt3-21ksoftirqd/022:23:220
81620,0rcu_preempt1350-21lldpd21:03:210
81610,0rcu_preempt29695-21kworker/0:221:28:230
10050610,0irq/346-484840030668-1kworker/0:1H22:11:260
81600,0rcu_preempt3-21ksoftirqd/023:13:380
81590,0rcu_preempt54-21kswapd019:33:000
81590,0rcu_preempt3-21ksoftirqd/020:08:240
81590,0rcu_preempt3-21ksoftirqd/019:08:250
81590,0rcu_preempt3039-21kworker/0:220:43:260
81580,0rcu_preempt3-21ksoftirqd/021:08:200
81570,0rcu_preempt3-21ksoftirqd/023:48:240
81570,0rcu_preempt3-21ksoftirqd/023:08:180
81570,0rcu_preempt3-21ksoftirqd/022:40:420
81570,0rcu_preempt3-21ksoftirqd/019:53:170
81570,0rcu_preempt3-21ksoftirqd/000:13:180
10050570,0irq/346-484840054-21kswapd022:18:171
81560,0rcu_preempt3-21ksoftirqd/022:13:500
81560,0rcu_preempt11100-21diskmemload00:18:200
81550,0rcu_preempt3804-21kworker/0:121:38:290
81550,0rcu_preempt3-21ksoftirqd/021:23:270
81550,0rcu_preempt22041-21kworker/0:122:21:070
81550,0rcu_preempt19-21ksoftirqd/122:48:221
10050550,0irq/346-484840054-21kswapd021:54:581
81540,0rcu_preempt3-21ksoftirqd/022:48:220
81540,0rcu_preempt3-21ksoftirqd/020:58:170
81540,0rcu_preempt3-21ksoftirqd/020:14:510
81540,0rcu_preempt3-21ksoftirqd/000:27:480
81530,0rcu_preempt3-21ksoftirqd/020:23:010
81530,0rcu_preempt3-21ksoftirqd/000:05:350
81530,0rcu_preempt30052-21kworker/0:120:37:140
10050530,0irq/346-484840054-21kswapd023:44:421
10050530,0irq/346-484840054-21kswapd022:03:200
10050530,0irq/346-484840054-21kswapd021:53:001
81520,0rcu_preempt9678-21diskstats23:18:170
81520,0rcu_preempt9678-21diskstats23:18:170
81520,0rcu_preempt3-21ksoftirqd/023:23:120
81520,0rcu_preempt3-21ksoftirqd/020:50:160
81520,0rcu_preempt3-21ksoftirqd/020:50:160
81520,0rcu_preempt3-21ksoftirqd/020:38:260
81520,0rcu_preempt3-21ksoftirqd/020:28:280
81520,0rcu_preempt3-21ksoftirqd/000:33:230
81520,0rcu_preempt19-21ksoftirqd/122:58:191
10050520,0irq/346-484840054-21kswapd021:36:281
9950510,0irq/345-48484005838-1kworker/1:2H00:23:451
81510,0rcu_preempt3-21ksoftirqd/020:23:190
81510,0rcu_preempt3-21ksoftirqd/019:58:300
10050510,0irq/346-484840054-21kswapd000:08:561
10050510,0irq/346-484840020616-1kworker/1:0H00:35:181
9950500,0irq/345-484840021318-1kworker/1:3H23:30:571
81500,0rcu_preempt7522-21kworker/0:200:08:030
81500,0rcu_preempt3-21ksoftirqd/019:48:280
81500,0rcu_preempt3-21ksoftirqd/019:13:170
81500,0rcu_preempt3-21ksoftirqd/019:03:160
10050500,0irq/346-484840013446-21ssh21:09:361
9950490,0irq/345-484840012228-1kworker/1:2H22:17:431
81490,0rcu_preempt3-21ksoftirqd/020:03:180
81480,0rcu_preempt3-21ksoftirqd/023:38:090
10050480,0irq/346-484840031157-21ssh22:33:321
10050480,0irq/346-484840026414-21ssh23:34:511
81470,0rcu_preempt19-21ksoftirqd/122:53:161
81470,0rcu_preempt11243-21kworker/0:119:38:120
81470,0rcu_preempt11243-21kworker/0:119:38:120
81460,0rcu_preempt19-21ksoftirqd/123:58:141
10050460,0irq/346-48484009697-21ssh22:44:561
10050460,0irq/346-4848400706-21ssh23:42:151
10050460,0irq/346-484840013134-21ssh23:54:071
9950450,0irq/345-48484001699migration/121:13:191
10050450,0irq/346-48484007386-21ping19:18:121
81440,0rcu_preempt19-21ksoftirqd/123:23:261
81440,0rcu_preempt1339-21snmpd00:20:181
10050440,0irq/346-484840054-21kswapd000:30:411
10050440,0irq/346-48484004433-21ssh22:39:301
10050440,0irq/346-48484001076-21ssh21:30:121
9950430,0irq/345-48484001470-21runrttasks22:00:231
81430,0rcu_preempt8690-21ssh21:38:171
410799432,0cyclictest1393850sendmail19:38:010
10050430,0irq/346-48484007386-21ping19:27:161
10050430,0irq/346-48484005389-21ssh22:08:091
10050430,0irq/346-4848400380-21ssh22:03:071
81420,0rcu_preempt19-21ksoftirqd/121:18:121
81420,0rcu_preempt19-21ksoftirqd/119:58:331
81420,0rcu_preempt19-21ksoftirqd/119:41:441
81420,0rcu_preempt19-21ksoftirqd/119:41:441
81420,0rcu_preempt11243-21kworker/0:119:18:180
81410,0rcu_preempt3-21ksoftirqd/019:25:210
81410,0rcu_preempt19-21ksoftirqd/123:52:371
81410,0rcu_preempt19-21ksoftirqd/123:18:081
81410,0rcu_preempt19-21ksoftirqd/123:18:081
81410,0rcu_preempt19-21ksoftirqd/122:32:561
81410,0rcu_preempt19-21ksoftirqd/100:03:271
9950400,0irq/345-484840010999-1kworker/1:0H21:43:101
81400,0rcu_preempt32708-21ntpq23:08:231
81400,0rcu_preempt19-21ksoftirqd/119:03:131
81400,0rcu_preempt11243-21kworker/0:119:44:520
81390,0rcu_preempt19685-21ntp_states19:53:251
81390,0rcu_preempt19-21ksoftirqd/100:13:121
10050390,0irq/346-484840020343-21df_abs22:23:151
81380,0rcu_preempt19-21ksoftirqd/123:03:231
81380,0rcu_preempt19-21ksoftirqd/121:08:021
81380,0rcu_preempt19-21ksoftirqd/120:13:311
81380,0rcu_preempt19-21ksoftirqd/119:43:311
81380,0rcu_preempt19-21ksoftirqd/119:33:111
81380,0rcu_preempt19-21ksoftirqd/119:18:011
10050380,0irq/346-48484005457-21ssh23:13:261
10050380,0irq/346-484840029979-21ssh21:27:011
81370,0rcu_preempt19-21ksoftirqd/120:08:101
81360,0rcu_preempt19-21ksoftirqd/119:28:271
81350,0rcu_preempt19-21ksoftirqd/120:58:281
81350,0rcu_preempt19-21ksoftirqd/120:03:141
81350,0rcu_preempt19-21ksoftirqd/119:48:281
42382350,0chrt2613-1kworker/1:3H20:44:591
303462340,0sleep130085-1kworker/1:2H20:27:581
81330,0rcu_preempt2613-1kworker/1:3H20:43:011
81330,0rcu_preempt19-21ksoftirqd/119:08:221
10050330,0irq/346-48484000-21swapper/120:53:241
10050320,0irq/346-48484000-21swapper/120:18:261
9950310,0irq/345-48484000-21swapper/120:28:181
10050310,0irq/346-48484004679-21munin-node1
10050310,0irq/346-48484004679-21munin-node1
10050300,0irq/346-484840031722-1kworker/1:1H20:33:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional