You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-14 - 03:04

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 Sat Mar 14, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39202312122107,10sleep30-21swapper/319:08:153
39200482121107,9sleep70-21swapper/719:05:387
39202532119105,9sleep50-21swapper/519:08:335
39201382119105,9sleep20-21swapper/219:06:542
39200812119105,9sleep40-21swapper/419:06:074
3920323211486,9sleep10-21swapper/119:09:331
3920154211298,9sleep00-21swapper/019:07:090
3920094211298,9sleep60-21swapper/619:06:186
392060099103100,3cyclictest553-21snmpd20:05:063
3920615991020,100cyclictest0-21swapper/720:16:527
392061299102100,2cyclictest553-21snmpd22:02:476
39206099910299,3cyclictest553-21snmpd19:17:235
39206099910299,3cyclictest553-21snmpd00:12:115
39205929910299,3cyclictest553-21snmpd19:30:321
3920592991020,100cyclictest0-21swapper/120:03:421
3920615991010,99cyclictest0-21swapper/723:05:547
3920615991010,0cyclictest0-21swapper/721:20:547
39206129910199,2cyclictest553-21snmpd23:43:076
39206129910199,2cyclictest553-21snmpd00:01:146
39206129910199,2cyclictest3920424-21kworker/6:222:41:576
39206129910199,1cyclictest4083266-21kworker/6:123:52:116
392061299101100,1cyclictest4083266-21kworker/6:123:47:036
392061299101100,1cyclictest4083266-21kworker/6:123:39:276
392061299101100,1cyclictest4083266-21kworker/6:123:30:316
392061299101100,1cyclictest4083266-21kworker/6:122:53:196
392061299101100,1cyclictest4083266-21kworker/6:100:10:496
392061299101100,1cyclictest3920424-21kworker/6:222:34:136
392061299101100,1cyclictest3920424-21kworker/6:222:20:256
392061299101100,1cyclictest3920424-21kworker/6:219:35:196
39206099910199,2cyclictest553-21snmpd23:33:255
3920609991010,100cyclictest0-21swapper/500:35:155
3920609991010,0cyclictest0-21swapper/523:46:525
39206049910199,1cyclictest553-21snmpd23:16:084
39206009910199,2cyclictest553-21snmpd23:24:313
39206009910199,2cyclictest553-21snmpd21:44:403
39206009910199,2cyclictest553-21snmpd21:12:423
39206009910199,2cyclictest553-21snmpd00:16:503
39206009910198,3cyclictest553-21snmpd22:17:303
39205969910199,2cyclictest553-21snmpd19:43:042
39205969910199,2cyclictest553-21snmpd00:12:082
392059699101100,1cyclictest4126219-21ssh23:17:112
39205929910199,1cyclictest4073055-21cat22:30:131
3920592991010,101cyclictest0-21swapper/121:27:031
3920592991010,100cyclictest0-21swapper/121:49:461
3920592991010,0cyclictest0-21swapper/120:36:141
392058899101100,1cyclictest553-21snmpd23:18:100
3920615991000,99cyclictest0-21swapper/723:38:047
3920615991000,99cyclictest0-21swapper/722:44:337
3920615991000,99cyclictest0-21swapper/722:36:507
3920615991000,99cyclictest0-21swapper/721:11:457
3920615991000,99cyclictest0-21swapper/720:46:517
3920615991000,0cyclictest0-21swapper/721:06:277
39206129910099,1cyclictest553-21snmpd20:03:306
39206129910099,1cyclictest4083266-21kworker/6:123:55:166
39206129910099,1cyclictest4083266-21kworker/6:123:25:016
39206129910099,1cyclictest4083266-21kworker/6:123:21:266
39206129910099,1cyclictest4083266-21kworker/6:123:16:156
39206129910099,1cyclictest4083266-21kworker/6:123:10:336
39206129910099,1cyclictest4083266-21kworker/6:123:05:336
39206129910099,1cyclictest4083266-21kworker/6:123:00:176
39206129910099,1cyclictest4083266-21kworker/6:122:45:196
39206129910099,1cyclictest4083266-21kworker/6:100:35:196
39206129910099,1cyclictest4083266-21kworker/6:100:31:136
39206129910099,1cyclictest4083266-21kworker/6:100:25:146
39206129910099,1cyclictest4083266-21kworker/6:100:21:456
39206129910099,1cyclictest4083266-21kworker/6:100:18:076
39206129910099,1cyclictest4083266-21kworker/6:100:09:116
39206129910099,1cyclictest3920424-21kworker/6:222:35:476
39206129910099,1cyclictest3920424-21kworker/6:222:25:196
39206129910099,1cyclictest3920424-21kworker/6:222:12:276
39206129910099,1cyclictest3920424-21kworker/6:222:05:596
39206129910099,1cyclictest3920424-21kworker/6:221:55:116
39206129910099,1cyclictest3920424-21kworker/6:221:55:116
39206129910099,1cyclictest3920424-21kworker/6:221:50:136
39206129910099,1cyclictest3920424-21kworker/6:221:50:136
39206129910099,1cyclictest3920424-21kworker/6:221:40:176
39206129910099,1cyclictest3920424-21kworker/6:221:35:156
39206129910099,1cyclictest3920424-21kworker/6:221:30:116
39206129910099,1cyclictest3920424-21kworker/6:221:26:236
39206129910099,1cyclictest3920424-21kworker/6:221:21:176
39206129910099,1cyclictest3920424-21kworker/6:221:16:356
39206129910099,1cyclictest3920424-21kworker/6:221:11:266
39206129910099,1cyclictest3920424-21kworker/6:220:55:196
39206129910099,1cyclictest3920424-21kworker/6:220:25:116
39206129910099,1cyclictest3920424-21kworker/6:220:05:176
39206129910099,1cyclictest3920424-21kworker/6:219:55:136
39206129910099,1cyclictest3920424-21kworker/6:219:50:546
39206129910099,1cyclictest3920424-21kworker/6:219:45:116
39206129910099,1cyclictest3920424-21kworker/6:219:40:116
39206129910099,1cyclictest3920424-21kworker/6:219:30:156
39206129910099,1cyclictest3920424-21kworker/6:219:15:156
39206129910098,2cyclictest4083266-21kworker/6:122:55:116
39206129910096,1cyclictest3920424-21kworker/6:221:46:196
39206099910099,1cyclictest553-21snmpd21:50:165
39206099910099,1cyclictest553-21snmpd21:50:165
39206099910099,1cyclictest553-21snmpd21:48:075
39206099910099,1cyclictest553-21snmpd21:25:275
39206099910099,1cyclictest553-21snmpd20:07:225
39206099910099,1cyclictest553-21snmpd19:52:545
39206099910099,1cyclictest553-21snmpd00:29:335
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional