You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-05 - 15:03

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 Dec 05, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81870,0rcu_preempt0-21swapper/009:17:590
81790,0rcu_preempt19-21ksoftirqd/111:54:471
81760,0rcu_preempt7072-21diskmemload09:41:000
81750,0rcu_preempt19-21ksoftirqd/110:06:071
81740,0rcu_preempt3-21ksoftirqd/011:53:050
81740,0rcu_preempt3-21ksoftirqd/011:44:350
81730,0rcu_preempt3-21ksoftirqd/012:29:350
81730,0rcu_preempt19-21ksoftirqd/111:26:381
10050730,0irq/346-484840031470-1kworker/0:1H11:58:030
81720,0rcu_preempt7072-21diskmemload11:15:480
81720,0rcu_preempt3-21ksoftirqd/009:10:410
81700,0rcu_preempt3-21ksoftirqd/011:02:280
81700,0rcu_preempt3-21ksoftirqd/011:02:280
81700,0rcu_preempt3-21ksoftirqd/010:05:480
10050700,0irq/346-48484006753-1kworker/0:3H10:42:020
10050700,0irq/346-48484006753-1kworker/0:3H10:42:020
81680,0rcu_preempt4923-21kworker/0:209:24:510
81680,0rcu_preempt19990-21kworker/0:212:24:430
81670,0rcu_preempt3-21ksoftirqd/011:35:540
81670,0rcu_preempt3-21ksoftirqd/010:31:460
81650,0rcu_preempt751-21rngd09:26:331
81650,0rcu_preempt3-21ksoftirqd/010:54:340
81650,0rcu_preempt3-21ksoftirqd/010:54:340
81650,0rcu_preempt3-21ksoftirqd/010:14:330
81640,0rcu_preempt0-21swapper/010:04:190
81630,0rcu_preempt3-21ksoftirqd/012:15:550
81630,0rcu_preempt3-21ksoftirqd/011:24:330
81620,0rcu_preempt3-21ksoftirqd/010:13:060
81620,0rcu_preempt3-21ksoftirqd/009:19:440
81620,0rcu_preempt3-21ksoftirqd/008:24:320
81620,0rcu_preempt3-21ksoftirqd/007:54:320
81620,0rcu_preempt16622-21cyclictest12:38:180
81610,0rcu_preempt19-21ksoftirqd/110:14:511
81610,0rcu_preempt19-21ksoftirqd/109:59:541
81610,0rcu_preempt11797-21ntp_states11:29:500
81600,0rcu_preempt26207-21apt-get11:04:340
81600,0rcu_preempt0-21swapper/012:20:520
81600,0rcu_preempt0-21swapper/010:25:410
81590,0rcu_preempt7931-21apt-get09:54:350
81590,0rcu_preempt3-21ksoftirqd/009:29:340
81590,0rcu_preempt19-21ksoftirqd/112:24:411
81590,0rcu_preempt19-21ksoftirqd/111:59:421
81590,0rcu_preempt0-21swapper/011:12:320
81570,0rcu_preempt3-21ksoftirqd/011:19:340
81570,0rcu_preempt3-21ksoftirqd/010:49:520
81570,0rcu_preempt18630-21apt-get11:39:320
81570,0rcu_preempt18630-21apt-get11:39:320
10050570,0irq/346-484840054-21kswapd012:34:401
10050570,0irq/346-484840027872-1kworker/1:4H10:30:441
81560,0rcu_preempt4352-21apt-get08:54:310
81560,0rcu_preempt29979-1kworker/1:0H08:19:241
81560,0rcu_preempt19-21ksoftirqd/112:32:341
81560,0rcu_preempt19-21ksoftirqd/112:10:071
81560,0rcu_preempt19-21ksoftirqd/111:32:361
81560,0rcu_preempt19-21ksoftirqd/111:24:141
81560,0rcu_preempt19-21ksoftirqd/109:15:411
81560,0rcu_preempt16765-21apt-get07:09:310
81560,0rcu_preempt0-21swapper/009:46:410
10050560,0irq/346-484840031348-1kworker/1:4H11:15:431
81550,0rcu_preempt3-21ksoftirqd/012:04:460
81550,0rcu_preempt3-21ksoftirqd/008:39:440
81550,0rcu_preempt19-21ksoftirqd/111:01:131
81550,0rcu_preempt19-21ksoftirqd/111:01:131
81550,0rcu_preempt0-21swapper/012:11:000
81550,0rcu_preempt0-21swapper/007:15:560
81540,0rcu_preempt4785-21apt-get10:34:350
81540,0rcu_preempt19-21ksoftirqd/111:37:321
81540,0rcu_preempt19-21ksoftirqd/110:53:261
10050540,0irq/346-484840054-21kswapd009:39:401
81530,0rcu_preempt3-21ksoftirqd/011:59:410
81530,0rcu_preempt3-21ksoftirqd/010:19:430
81530,0rcu_preempt3-21ksoftirqd/009:49:330
10050530,0irq/346-48484000-21swapper/110:19:281
81520,0rcu_preempt9193-21ps10:39:481
81520,0rcu_preempt9193-21ps10:39:481
81520,0rcu_preempt19-21ksoftirqd/107:38:411
81520,0rcu_preempt19-21ksoftirqd/107:29:161
81520,0rcu_preempt19-21ksoftirqd/107:29:161
81520,0rcu_preempt0-21swapper/009:36:410
10050520,0irq/346-48484006184-1kworker/1:3H09:09:381
10050520,0irq/346-484840054-21kswapd012:04:361
81510,0rcu_preempt3-21ksoftirqd/008:22:420
81510,0rcu_preempt19-21ksoftirqd/112:15:341
81510,0rcu_preempt19-21ksoftirqd/111:11:201
81500,0rcu_preempt19-21ksoftirqd/112:21:371
81500,0rcu_preempt19-21ksoftirqd/110:12:071
81500,0rcu_preempt19-21ksoftirqd/107:40:321
81500,0rcu_preempt19-21ksoftirqd/107:31:441
81500,0rcu_preempt19-21ksoftirqd/107:21:171
81500,0rcu_preempt0-21swapper/010:46:340
277902500,0sleep010050irq/346-484840008:06:490
10050500,0irq/346-484840031739-21ssh10:26:121
10050500,0irq/346-484840026510-1kworker/1:3H07:59:241
10050500,0irq/346-48484000-21swapper/110:44:501
81490,0rcu_preempt27742-1kworker/1:2H08:39:381
10050490,0irq/346-484840024254-1kworker/1:1H11:49:221
81480,0rcu_preempt6751-1kworker/1:1H10:36:461
81480,0rcu_preempt19-21ksoftirqd/109:52:561
81480,0rcu_preempt0-21swapper/008:33:440
81470,0rcu_preempt15754-21kworker/0:007:39:370
10050470,0irq/346-484840013754-1kworker/1:0H10:59:101
10050470,0irq/346-484840013754-1kworker/1:0H10:59:101
10050470,0irq/346-48484000-21swapper/111:49:371
10050470,0irq/346-48484000-21swapper/008:59:240
81460,0rcu_preempt3-21ksoftirqd/008:10:160
81460,0rcu_preempt26664-21kworker/0:008:02:490
81450,0rcu_preempt28197-21kworker/0:208:15:210
237972450,0sleep19950irq/345-484840009:31:411
10050450,0irq/346-48484003825-1kworker/1:0H08:59:241
10050440,0irq/346-484840018866-21ping07:19:240
81430,0rcu_preempt3-21ksoftirqd/008:37:450
81420,0rcu_preempt3-21ksoftirqd/007:39:230
81420,0rcu_preempt19-21ksoftirqd/111:40:561
81420,0rcu_preempt19-21ksoftirqd/111:40:561
81420,0rcu_preempt19-21ksoftirqd/107:59:221
10050420,0irq/346-484840019696-1kworker/1:3H09:36:221
10050420,0irq/346-48484000-21swapper/109:20:481
81410,0rcu_preempt3-21ksoftirqd/007:08:400
81410,0rcu_preempt19-21ksoftirqd/108:24:491
81410,0rcu_preempt15754-21kworker/0:007:33:060
10050410,0irq/346-48484000-21swapper/108:59:221
81400,0rcu_preempt3-21ksoftirqd/007:24:520
81400,0rcu_preempt3-21ksoftirqd/007:24:520
81400,0rcu_preempt19-21ksoftirqd/108:09:391
81400,0rcu_preempt0-21swapper/109:58:261
10050400,0irq/346-484840026207-21apt11:04:331
81390,0rcu_preempt3-21ksoftirqd/009:09:090
81390,0rcu_preempt3-21ksoftirqd/008:54:090
81390,0rcu_preempt30436-21kworker/0:108:44:230
81390,0rcu_preempt24149-21kworker/0:207:53:280
81390,0rcu_preempt19-21ksoftirqd/109:46:051
9950380,0irq/345-48484000-21swapper/108:15:371
81380,0rcu_preempt24149-21kworker/0:207:46:220
81370,0rcu_preempt19-21ksoftirqd/107:04:321
81360,0rcu_preempt19-21ksoftirqd/108:34:221
81360,0rcu_preempt19-21ksoftirqd/107:19:221
10050330,0irq/346-484840027136-1kworker/1:0H08:06:151
10050330,0irq/346-484840024267-1kworker/1:1H07:46:291
10050330,0irq/346-484840016295-1kworker/1:1H07:09:311
35152320,0sleep12703-1kworker/1:1H08:48:371
67782310,0sleep16184-1kworker/1:3H09:06:191
10050310,0irq/346-48484002703-1kworker/1:1H08:50:061
10050300,0irq/346-48484001034-1kworker/1:0H08:39:221
10050270,0irq/346-484840024267-1kworker/1:1H07:49:501
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional