You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-10-16 - 12:32

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 #0, slot #3

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 rack0slot3s.osadl.org (updated Fri Oct 16, 2026 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27093712276267,6sleep30-21swapper/318:58:543
27095802262237,16sleep40-21swapper/419:01:494
27093612262215,39sleep20-21swapper/218:58:452
27092972259214,16sleep00-21swapper/018:57:530
27094392258216,33sleep10-21swapper/118:59:491
27093452257210,37sleep60-21swapper/618:58:326
27093442255214,33sleep50-21swapper/518:58:315
27072642243217,17sleep70-21swapper/718:57:037
2709901993218,13cyclictest2367911-21kworker/3:2+events19:27:523
270991099260,22cyclictest0-21swapper/522:54:005
270989799260,22cyclictest0-21swapper/221:00:032
2709890992620,5cyclictest1390-21snmpd19:15:301
2709919992518,5cyclictest0-21swapper/720:45:267
270991999251,23cyclictest0-21swapper/722:42:007
2709914992521,3cyclictest1390-21snmpd00:17:036
2709910992518,5cyclictest0-21swapper/519:54:375
2709910992518,5cyclictest0-21swapper/519:47:395
270991099250,23cyclictest0-21swapper/519:48:255
2709901992521,3cyclictest1390-21snmpd20:39:473
270990199250,23cyclictest0-21swapper/300:18:043
2709897992521,3cyclictest2871535-21cat23:59:112
2709897992521,3cyclictest1390-21snmpd19:17:352
2709890992520,5cyclictest1390-21snmpd20:46:491
2709890992518,6cyclictest1390-21snmpd21:49:131
270989099251,23cyclictest2816133-21diskstats22:16:491
2709882992521,3cyclictest1390-21snmpd20:58:380
2709919992421,2cyclictest1390-21snmpd19:56:157
2709919992421,2cyclictest1390-21snmpd19:18:497
2709919992420,3cyclictest1390-21snmpd20:13:467
2709919992417,5cyclictest0-21swapper/700:07:317
2709910992420,3cyclictest1390-21snmpd23:07:515
2709910992418,4cyclictest0-21swapper/521:00:045
2709910992418,2cyclictest0-21swapper/500:12:115
2709910992417,3cyclictest0-21swapper/520:20:385
270991099240,22cyclictest0-21swapper/522:28:295
270991099240,22cyclictest0-21swapper/521:44:335
2709905992422,1cyclictest1390-21snmpd22:05:004
2709905992422,1cyclictest1390-21snmpd19:39:404
2709905992421,2cyclictest1390-21snmpd20:24:314
2709905992421,2cyclictest1390-21snmpd20:24:314
2709905992420,3cyclictest1390-21snmpd22:56:094
2709905992420,3cyclictest1390-21snmpd21:26:564
2709905992420,3cyclictest1390-21snmpd00:15:434
2709905992418,2cyclictest0-21swapper/422:25:044
2709905992418,2cyclictest0-21swapper/422:17:324
2709901992421,2cyclictest2367911-21kworker/3:2+events23:46:593
2709901992421,2cyclictest2367911-21kworker/3:2+events23:32:373
2709901992421,2cyclictest2367911-21kworker/3:2+events21:41:563
2709901992421,2cyclictest2367911-21kworker/3:2+events21:38:473
2709901992421,2cyclictest2367911-21kworker/3:2+events19:37:003
2709901992421,2cyclictest2367911-21kworker/3:2+events19:23:443
2709901992421,2cyclictest2367911-21kworker/3:2+events00:29:153
2709901992420,3cyclictest1390-21snmpd19:50:353
2709897992422,2cyclictest1390-21snmpd19:48:502
2709897992421,2cyclictest1390-21snmpd23:35:342
2709897992421,2cyclictest1390-21snmpd21:19:192
2709897992421,2cyclictest1390-21snmpd19:30:082
2709897992420,3cyclictest1390-21snmpd22:31:362
2709890992421,2cyclictest1390-21snmpd22:26:201
2709890992420,4cyclictest1390-21snmpd21:36:291
270988299241,22cyclictest0-21swapper/021:42:340
270988299240,23cyclictest0-21swapper/023:03:180
270988299240,23cyclictest0-21swapper/023:03:180
270988299240,23cyclictest0-21swapper/019:47:110
2709919992321,1cyclictest1390-21snmpd21:15:317
2709919992321,1cyclictest1390-21snmpd20:36:307
2709919992320,2cyclictest1390-21snmpd20:07:497
2709919992317,2cyclictest0-21swapper/723:01:347
270991999230,22cyclictest0-21swapper/720:49:407
270991999230,22cyclictest0-21swapper/720:21:427
270991999230,1cyclictest0-21swapper/720:27:217
270991999230,1cyclictest0-21swapper/720:27:207
270991999230,1cyclictest0-21swapper/719:51:027
2709914992320,2cyclictest1390-21snmpd21:04:226
270991499230,23cyclictest0-21swapper/623:46:506
270991499230,23cyclictest0-21swapper/621:09:016
270991499230,22cyclictest888-21in:imjournal00:05:506
270991499230,1cyclictest0-21swapper/619:30:086
270991499230,1cyclictest0-21swapper/600:35:286
2709910992322,1cyclictest0-21swapper/520:34:245
2709910992319,3cyclictest1390-21snmpd22:08:405
2709910992317,2cyclictest0-21swapper/520:13:195
270991099230,22cyclictest0-21swapper/522:20:065
270991099230,1cyclictest0-21swapper/520:51:095
270991099230,1cyclictest0-21swapper/500:28:255
2709905992321,1cyclictest1390-21snmpd20:09:104
2709905992321,1cyclictest1390-21snmpd19:26:054
2709905992320,2cyclictest1390-21snmpd23:17:014
2709905992320,2cyclictest1390-21snmpd19:51:544
2709905992319,3cyclictest1390-21snmpd23:50:254
2709905992316,5cyclictest0-21swapper/421:59:364
270990599230,22cyclictest0-21swapper/422:42:594
270990599230,22cyclictest0-21swapper/421:35:274
270990599230,1cyclictest0-21swapper/422:41:364
270990599230,1cyclictest0-21swapper/420:37:534
2709901992322,1cyclictest2367911-21kworker/3:2+events00:13:543
2709901992321,2cyclictest2367911-21kworker/3:2+events23:24:473
2709901992321,2cyclictest2367911-21kworker/3:2+events22:53:263
2709901992321,2cyclictest2367911-21kworker/3:2+events22:33:403
2709901992321,2cyclictest2367911-21kworker/3:2+events22:29:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional