You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-13 - 02:57

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 #b, slot #8

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 100 highest latencies:
System rackbslot8s (updated Mon Apr 13, 2026 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2349522212194,22sleep20-21swapper/219:07:182
23496832120106,9sleep40-21swapper/419:09:374
23495362119105,9sleep50-21swapper/519:07:285
23495472116101,10sleep70-21swapper/719:07:387
23495122116101,10sleep10-21swapper/119:07:091
23494892114100,9sleep60-21swapper/619:06:496
2349641210994,10sleep00-21swapper/019:09:000
2349570210793,9sleep30-21swapper/319:07:593
23499489910299,3cyclictest553-21snmpd23:34:325
23499379910299,3cyclictest553-21snmpd00:22:582
23499339910299,3cyclictest553-21snmpd22:37:551
23499289910297,2cyclictest553-21snmpd00:20:100
2349928991020,99cyclictest0-21swapper/020:15:270
2349928991020,101cyclictest0-21swapper/022:39:290
2349956991010,100cyclictest0-21swapper/723:34:577
23499489910199,2cyclictest553-21snmpd22:21:255
23499489910199,1cyclictest553-21snmpd00:14:415
23499489910199,1cyclictest2410256-21cat21:05:165
23499489910198,3cyclictest553-21snmpd23:08:505
234994899101100,1cyclictest553-21snmpd22:15:485
2349948991010,100cyclictest0-21swapper/521:55:155
2349948991010,100cyclictest0-21swapper/520:25:035
2349948991010,100cyclictest0-21swapper/519:56:325
2349948991010,0cyclictest0-21swapper/522:42:195
23499449910199,2cyclictest2424080-21cat21:20:154
2349944991010,99cyclictest0-21swapper/419:12:464
2349944991010,100cyclictest0-21swapper/420:24:454
2349944991010,100cyclictest0-21swapper/400:27:594
23499429910199,1cyclictest553-21snmpd23:30:383
23499379910198,3cyclictest553-21snmpd21:12:552
234993799101100,1cyclictest553-21snmpd21:34:262
2349937991010,101cyclictest0-21swapper/200:19:522
2349937991010,101cyclictest0-21swapper/200:10:232
2349933991010,99cyclictest0-21swapper/119:48:401
2349933991010,101cyclictest0-21swapper/121:53:211
2349933991010,100cyclictest0-21swapper/122:02:091
2349933991010,100cyclictest0-21swapper/121:08:491
23499289910199,2cyclictest553-21snmpd23:42:390
23499289910198,3cyclictest553-21snmpd23:02:380
2349928991010,101cyclictest0-21swapper/021:52:300
2349928991010,100cyclictest0-21swapper/000:38:590
23499569910099,1cyclictest0-21swapper/721:38:517
2349956991000,99cyclictest0-21swapper/721:21:497
2349956991000,99cyclictest0-21swapper/721:03:017
2349956991000,99cyclictest0-21swapper/700:32:267
2349956991000,100cyclictest0-21swapper/720:59:167
2349956991000,100cyclictest0-21swapper/720:26:577
2349956991000,100cyclictest0-21swapper/719:58:177
2349956991000,100cyclictest0-21swapper/719:10:547
23499529910099,1cyclictest553-21snmpd22:25:496
23499529910099,1cyclictest553-21snmpd22:05:076
23499529910099,1cyclictest553-21snmpd20:35:496
23499529910099,1cyclictest553-21snmpd20:24:276
23499529910099,1cyclictest553-21snmpd19:39:556
23499529910099,1cyclictest553-21snmpd00:08:526
23499529910098,2cyclictest553-21snmpd21:24:256
2349952991000,100cyclictest0-21swapper/622:53:506
23499489910099,1cyclictest553-21snmpd23:51:465
23499489910099,1cyclictest553-21snmpd22:50:205
23499489910099,1cyclictest553-21snmpd20:49:095
23499489910099,1cyclictest553-21snmpd20:11:005
23499489910099,1cyclictest553-21snmpd20:02:475
23499489910098,2cyclictest553-21snmpd22:25:255
23499489910098,2cyclictest553-21snmpd19:33:435
23499489910097,3cyclictest553-21snmpd23:35:385
2349948991000,99cyclictest0-21swapper/520:56:275
2349948991000,100cyclictest0-21swapper/523:20:155
2349944991000,99cyclictest0-21swapper/420:31:134
23499429910099,1cyclictest553-21snmpd23:55:213
23499429910099,1cyclictest553-21snmpd23:46:163
23499429910099,1cyclictest553-21snmpd21:02:173
23499429910099,1cyclictest553-21snmpd19:17:433
23499429910099,1cyclictest553-21snmpd00:23:493
23499429910099,1cyclictest553-21snmpd00:13:173
23499429910098,1cyclictest553-21snmpd23:16:453
23499379910099,1cyclictest553-21snmpd21:58:092
23499379910099,1cyclictest553-21snmpd00:33:302
23499379910098,2cyclictest553-21snmpd23:13:362
23499379910098,2cyclictest553-21snmpd22:31:302
23499379910098,2cyclictest553-21snmpd20:33:522
23499379910097,3cyclictest553-21snmpd19:15:582
2349937991000,99cyclictest0-21swapper/220:52:282
2349937991000,100cyclictest0-21swapper/223:36:102
2349937991000,100cyclictest0-21swapper/223:20:202
2349937991000,100cyclictest0-21swapper/221:19:582
23499339910099,1cyclictest553-21snmpd00:12:561
2349933991000,99cyclictest0-21swapper/120:50:011
2349933991000,99cyclictest0-21swapper/119:21:011
2349933991000,100cyclictest0-21swapper/121:03:251
2349933991000,0cyclictest0-21swapper/123:56:391
2349933991000,0cyclictest0-21swapper/122:12:011
23499289910099,1cyclictest553-21snmpd23:11:150
23499289910099,1cyclictest553-21snmpd22:28:450
23499289910097,3cyclictest553-21snmpd23:22:560
23499289910097,3cyclictest553-21snmpd19:11:480
2349928991000,99cyclictest0-21swapper/020:05:350
234995699990,99cyclictest0-21swapper/723:59:587
234995699990,99cyclictest0-21swapper/723:15:057
234995699990,99cyclictest0-21swapper/723:06:577
234995699990,99cyclictest0-21swapper/721:19:297
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional