You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-11 - 02:14

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 #9, slot #4

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
  
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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack9slot4s (updated Tue Mar 10, 2026 12:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
54139912501215,18cyclictest0-21swapper/007:26:270
54149910831069,11cyclictest0-21swapper/107:26:471
49732621527,31sleep00-21swapper/007:20:590
51092563517,32sleep10-21swapper/107:22:221
2386921200,2sleep023865-21cat11:00:210
37942980,8sleep0541399cyclictest09:32:450
8962970,3sleep0892-21ssh11:10:170
202292920,5sleep120230-21aten_r4power_vo09:50:111
73242890,3sleep1201rcuc/110:10:121
255242830,6sleep1541499cyclictest11:35:251
174682770,5sleep10-21swapper/110:54:131
282752580,4sleep0541399cyclictest09:58:140
203002560,7sleep0541399cyclictest10:23:280
67092550,4sleep0111rcuc/011:50:030
149522550,5sleep0111rcuc/010:50:340
64072520,36sleep00-21swapper/008:50:150
5413994525,5cyclictest3-21ksoftirqd/011:38:570
5413994423,5cyclictest3-21ksoftirqd/009:13:060
74862410,3sleep1201rcuc/111:16:341
541399416,31cyclictest0-21swapper/011:18:360
541399415,32cyclictest0-21swapper/009:40:360
5413994127,4cyclictest3-21ksoftirqd/011:30:180
5413994127,4cyclictest3-21ksoftirqd/011:30:180
5413994125,5cyclictest3-21ksoftirqd/010:26:160
5413994124,6cyclictest3-21ksoftirqd/009:22:150
5413994114,6cyclictest3-21ksoftirqd/011:20:170
5413994024,5cyclictest3-21ksoftirqd/012:41:240
5413994024,5cyclictest3-21ksoftirqd/008:44:360
5413994023,6cyclictest3-21ksoftirqd/009:00:270
5413994021,5cyclictest3-21ksoftirqd/010:08:570
5413994020,5cyclictest3-21ksoftirqd/009:35:410
541499397,5cyclictest81rcu_preempt12:10:451
541499391,17cyclictest0-21swapper/110:27:481
5413993925,4cyclictest3-21ksoftirqd/011:43:470
5413993924,5cyclictest3-21ksoftirqd/012:33:010
5413993923,6cyclictest3-21ksoftirqd/009:49:110
5413993923,5cyclictest3-21ksoftirqd/012:14:180
5413993923,5cyclictest3-21ksoftirqd/008:13:080
5413993923,5cyclictest3-21ksoftirqd/007:38:200
41012391,4sleep14112-21ssh11:13:421
5413993824,4cyclictest3-21ksoftirqd/011:26:160
5413993822,5cyclictest3-21ksoftirqd/010:10:380
5413993821,6cyclictest3-21ksoftirqd/007:51:170
5413993819,4cyclictest3-21ksoftirqd/010:17:370
188312380,5sleep118829-21ssh10:55:171
5413993722,5cyclictest3-21ksoftirqd/009:27:120
5413993722,5cyclictest3-21ksoftirqd/008:30:070
5413993721,5cyclictest3-21ksoftirqd/009:17:130
5413993713,6cyclictest3-21ksoftirqd/009:50:160
5413993711,11cyclictest3-21ksoftirqd/012:47:530
541499365,13cyclictest40550irq/92-i91512:36:291
541499364,4cyclictest81rcu_preempt11:04:291
541499363,30cyclictest0-21swapper/109:19:351
5414993627,6cyclictest0-21swapper/107:58:561
541499362,30cyclictest0-21swapper/107:45:161
5413993622,5cyclictest3-21ksoftirqd/012:27:490
5413993619,6cyclictest3-21ksoftirqd/008:49:160
5413993617,9cyclictest3-21ksoftirqd/010:58:200
5413993616,5cyclictest3-21ksoftirqd/012:39:140
541399361,31cyclictest30252-21ssh10:33:560
5413993611,4cyclictest0-21swapper/012:02:480
124162361,4sleep112427-21ssh11:21:421
541499358,23cyclictest0-21swapper/110:49:591
541499355,26cyclictest0-21swapper/110:03:591
541499352,8cyclictest81rcu_preempt09:34:561
541499352,29cyclictest0-21swapper/110:16:161
5414993518,14cyclictest22-21ksoftirqd/111:28:221
541499351,5cyclictest3093-21ssh12:54:161
541399354,25cyclictest31592-21diskstats10:35:140
5413993520,5cyclictest3-21ksoftirqd/012:08:290
5413993520,5cyclictest3-21ksoftirqd/008:05:580
5413993519,5cyclictest3-21ksoftirqd/011:09:460
321552350,2sleep125388-21kworker/1:212:15:311
541499344,4cyclictest81rcu_preempt09:45:481
541499342,4cyclictest0-21swapper/111:31:361
541499342,4cyclictest0-21swapper/111:31:351
541499341,5cyclictest7977-21ssh12:24:561
5413993419,5cyclictest3-21ksoftirqd/011:55:310
5413993419,5cyclictest3-21ksoftirqd/008:55:120
5413993418,5cyclictest3-21ksoftirqd/010:49:370
5413993417,6cyclictest3-21ksoftirqd/008:26:010
541399341,5cyclictest27584-21cut08:20:160
541399341,30cyclictest0-21swapper/012:51:150
541499334,4cyclictest81rcu_preempt09:37:531
541499334,4cyclictest81rcu_preempt09:28:331
5414993325,4cyclictest25388-21kworker/1:209:20:561
541499331,4cyclictest81rcu_preempt10:23:291
541499331,4cyclictest5655-21ssh10:08:161
541499331,13cyclictest64082awk08:50:151
5413993319,5cyclictest3-21ksoftirqd/007:45:150
5413993317,6cyclictest3-21ksoftirqd/012:20:040
5413993316,6cyclictest3-21ksoftirqd/008:37:380
5413993316,6cyclictest3-21ksoftirqd/007:55:520
5413993316,6cyclictest3-21ksoftirqd/007:30:580
5413993314,5cyclictest3-21ksoftirqd/012:19:040
541399331,30cyclictest0-21swapper/008:17:560
262382330,4sleep1211ktimersoftd/109:55:281
541499328,20cyclictest0-21swapper/112:26:011
541499326,4cyclictest81rcu_preempt11:47:471
541499324,6cyclictest81rcu_preempt12:09:141
5414993226,3cyclictest0-21swapper/109:13:361
541499322,4cyclictest81rcu_preempt10:40:221
5414993224,6cyclictest0-21swapper/109:00:161
5414993223,6cyclictest0-21swapper/112:45:371
541499321,5cyclictest0-21swapper/111:06:151
541499321,4cyclictest81rcu_preempt12:40:331
541499321,4cyclictest81rcu_preempt11:57:391
541499321,4cyclictest81rcu_preempt11:50:291
541499321,4cyclictest81rcu_preempt07:35:171
541399328,9cyclictest3-21ksoftirqd/010:00:300
5413993212,5cyclictest3775-21/usr/sbin/munin10:40:110
541499316,4cyclictest81rcu_preempt11:40:251
5414993124,4cyclictest29108-21ssh10:32:161
5414993123,6cyclictest0-21swapper/108:19:551
5414993121,6cyclictest11792-21wget09:05:111
541499311,4cyclictest81rcu_preempt08:33:441
44272311,5sleep00-21swapper/011:46:590
138712311,5sleep113921-21grep12:30:221
541499306,4cyclictest81rcu_preempt12:00:191
541499302,4cyclictest81rcu_preempt08:46:371
541499302,4cyclictest81rcu_preempt08:28:421
541499301,4cyclictest81rcu_preempt08:55:321
5414993013,13cyclictest31477-21cpuspeed_turbos10:35:121
541499301,26cyclictest0-21swapper/109:44:551
5413993017,4cyclictest3-21ksoftirqd/009:06:490
541499294,23cyclictest0-21swapper/108:00:571
541499293,4cyclictest81rcu_preempt08:37:481
5414992922,5cyclictest0-21swapper/108:05:361
211592291,5sleep00-21swapper/008:03:170
97732281,5sleep10-21swapper/107:34:401
5413992811,5cyclictest12920-21python07:40:260
39232281,5sleep10-21swapper/108:43:431
172902281,5sleep10-21swapper/107:52:161
541499274,17cyclictest27437-21diskstats08:20:151
541499261,10cyclictest2645-21snmpd07:40:151
246592251,5sleep10-21swapper/108:10:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional