You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-11 - 07:52

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 Tue Aug 11, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127700899122120,1cyclictest553-21snmpd22:34:560
12746652122106,10sleep50-21swapper/519:05:055
12766132121107,9sleep30-21swapper/319:07:353
12764912117102,10sleep20-21swapper/219:05:492
12767642116100,10sleep60-21swapper/619:09:476
12765292116101,10sleep40-21swapper/419:06:244
1276469211499,9sleep00-21swapper/019:05:310
1276476211095,10sleep70-21swapper/719:05:387
1274670210894,9sleep10-21swapper/119:05:081
12770139910599,3cyclictest553-21snmpd23:19:291
127703399103100,3cyclictest553-21snmpd00:06:006
127701399103100,3cyclictest553-21snmpd21:45:341
12770339910299,2cyclictest553-21snmpd22:41:116
1277033991020,102cyclictest0-21swapper/619:11:576
12770219910299,3cyclictest553-21snmpd20:14:553
12770219910299,3cyclictest553-21snmpd19:10:383
1277036991010,100cyclictest0-21swapper/720:45:297
12770309910199,2cyclictest553-21snmpd23:00:155
127703099101100,1cyclictest553-21snmpd23:50:335
127703099101100,1cyclictest553-21snmpd23:50:325
1277030991010,100cyclictest0-21swapper/520:09:225
1277025991010,100cyclictest0-21swapper/423:22:204
12770219910199,2cyclictest553-21snmpd21:44:583
12770219910199,2cyclictest553-21snmpd21:13:163
12770219910199,2cyclictest553-21snmpd20:38:143
12770219910199,2cyclictest553-21snmpd20:20:593
12770219910199,2cyclictest1880257-21ntpd00:01:233
12770219910198,3cyclictest553-21snmpd22:17:413
12770219910198,3cyclictest553-21snmpd21:20:243
12770169910199,2cyclictest553-21snmpd22:47:432
12770169910199,2cyclictest553-21snmpd21:08:022
12770169910198,3cyclictest553-21snmpd23:22:402
1277016991010,100cyclictest0-21swapper/221:42:182
1277016991010,0cyclictest0-21swapper/200:06:222
1277013991010,99cyclictest0-21swapper/119:42:181
1277013991010,0cyclictest0-21swapper/123:35:271
1277008991010,100cyclictest0-21swapper/020:34:080
1277036991000,99cyclictest0-21swapper/722:18:087
1277036991000,99cyclictest0-21swapper/721:46:597
1277036991000,99cyclictest0-21swapper/721:10:447
1277036991000,99cyclictest0-21swapper/720:35:597
1277036991000,99cyclictest0-21swapper/720:32:247
1277036991000,99cyclictest0-21swapper/720:28:107
1277036991000,99cyclictest0-21swapper/700:36:167
1277036991000,99cyclictest0-21swapper/700:01:427
1277036991000,100cyclictest0-21swapper/723:01:467
1277036991000,100cyclictest0-21swapper/721:55:527
12770339910099,1cyclictest553-21snmpd23:10:286
12770339910099,1cyclictest553-21snmpd22:33:336
12770339910099,1cyclictest553-21snmpd19:47:006
12770339910099,1cyclictest1356068-21kworker/6:122:55:516
1277033991000,99cyclictest0-21swapper/622:00:016
1277033991000,99cyclictest0-21swapper/620:24:196
1277033991000,98cyclictest0-21swapper/620:16:166
1277033991000,100cyclictest0-21swapper/622:50:166
1277033991000,100cyclictest0-21swapper/622:28:026
1277033991000,100cyclictest0-21swapper/621:27:126
1277033991000,100cyclictest0-21swapper/619:20:176
1277033991000,100cyclictest0-21swapper/619:20:176
1277033991000,100cyclictest0-21swapper/600:31:226
12770309910099,1cyclictest553-21snmpd21:57:105
12770309910099,1cyclictest553-21snmpd21:17:405
12770309910099,1cyclictest553-21snmpd20:02:475
12770309910099,1cyclictest553-21snmpd00:15:365
1277030991000,1cyclictest0-21swapper/522:02:465
12770259910099,1cyclictest553-21snmpd23:02:484
12770259910099,0cyclictest553-21snmpd20:34:144
1277025991000,99cyclictest0-21swapper/420:05:284
1277025991000,100cyclictest0-21swapper/400:31:044
12770219910099,1cyclictest553-21snmpd23:11:253
12770219910099,1cyclictest553-21snmpd22:51:343
12770219910099,1cyclictest553-21snmpd22:46:523
12770219910099,1cyclictest553-21snmpd21:17:163
12770219910099,1cyclictest553-21snmpd19:55:103
12770219910099,1cyclictest553-21snmpd19:48:393
12770219910099,1cyclictest553-21snmpd19:28:553
12770219910098,2cyclictest553-21snmpd23:00:033
12770219910098,2cyclictest553-21snmpd22:10:163
12770219910098,2cyclictest553-21snmpd21:47:223
12770219910097,3cyclictest553-21snmpd22:36:473
12770169910099,1cyclictest553-21snmpd23:43:182
12770169910099,1cyclictest553-21snmpd21:28:182
12770169910099,1cyclictest553-21snmpd20:59:022
12770169910099,1cyclictest553-21snmpd20:17:232
12770169910099,1cyclictest553-21snmpd00:38:082
1277016991000,99cyclictest0-21swapper/219:56:302
1277016991000,100cyclictest0-21swapper/222:43:122
1277016991000,100cyclictest0-21swapper/221:18:332
1277016991000,100cyclictest0-21swapper/200:10:332
12770139910099,1cyclictest553-21snmpd23:47:351
12770139910099,1cyclictest553-21snmpd22:22:541
12770139910099,1cyclictest553-21snmpd21:08:241
12770139910098,2cyclictest553-21snmpd23:20:221
12770139910098,2cyclictest553-21snmpd21:43:181
12770139910097,3cyclictest553-21snmpd00:02:461
1277013991000,99cyclictest0-21swapper/123:52:591
1277013991000,99cyclictest0-21swapper/123:52:591
1277013991000,99cyclictest0-21swapper/122:29:501
1277013991000,99cyclictest0-21swapper/121:57:171
1277013991000,99cyclictest0-21swapper/119:45:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional