You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-16 - 21:43

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 #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 100 highest latencies:
System rack0slot4s.osadl.org (updated Sat May 16, 2026 00:46:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25723652387381,4sleep130-21swapper/1319:05:305
25723862370330,13sleep60-21swapper/619:05:3912
25724532359336,16sleep110-21swapper/1119:06:323
25724902357319,13sleep120-21swapper/1219:07:054
25725302356336,13sleep100-21swapper/1019:07:362
25724172356319,13sleep150-21swapper/1519:06:047
25726112354310,35sleep80-21swapper/819:08:3814
25724002353333,13sleep10-21swapper/119:05:501
25725762352332,13sleep30-21swapper/319:08:179
25724052352315,30sleep50-21swapper/519:05:5411
25724802349329,13sleep20-21swapper/219:06:558
25727322348328,13sleep140-21swapper/1419:09:486
25723892348328,13sleep90-21swapper/919:05:4215
25724042345324,14sleep40-21swapper/419:05:5310
25692472344323,14sleep70-21swapper/719:05:0813
25724782341321,13sleep00-21swapper/019:06:530
257317499435,25cyclictest0-21swapper/1422:37:456
257317499424,25cyclictest0-21swapper/1419:20:036
257317499402,25cyclictest0-21swapper/1400:38:346
2573138993633,3cyclictest0-21swapper/222:38:058
257313899360,34cyclictest2735961-21kworker/2:0+mm_percpu_wq22:47:498
2573150993535,0cyclictest0-21swapper/619:27:5312
2573132993535,0cyclictest2683617-21kworker/u32:5-xprtiod21:52:230
2573132993535,0cyclictest0-21swapper/023:38:390
257314399340,0cyclictest0-21swapper/419:10:1510
2573138993432,0cyclictest0-21swapper/222:54:448
2573138993432,0cyclictest0-21swapper/222:17:298
2573138993431,3cyclictest2672548-21kworker/u32:1+events_unbound21:25:218
2573138993428,3cyclictest2686183-21ssh21:18:378
257313899340,34cyclictest2850677-21kworker/u32:3+events_unbound00:09:298
2573176993311,22cyclictest0-21swapper/1523:17:377
2573161993329,4cyclictest1774-21snmpd23:55:292
2573161993328,3cyclictest0-21swapper/1021:50:142
2573150993333,0cyclictest0-21swapper/622:26:1912
2573150993333,0cyclictest0-21swapper/621:52:2312
2573150993333,0cyclictest0-21swapper/621:48:4512
2573143993329,4cyclictest1774-21snmpd23:48:2610
2573138993333,0cyclictest0-21swapper/223:52:308
2573138993333,0cyclictest0-21swapper/222:04:158
2573138993331,2cyclictest0-21swapper/223:11:158
2573138993331,2cyclictest0-21swapper/223:03:418
2573138993331,2cyclictest0-21swapper/219:10:138
2573138993330,3cyclictest0-21swapper/200:20:218
2573132993333,0cyclictest0-21swapper/000:16:110
2573132993333,0cyclictest0-21swapper/000:11:110
2573174993232,0cyclictest0-21swapper/1422:05:196
257317499320,7cyclictest0-21swapper/1422:04:486
257317499320,7cyclictest0-21swapper/1421:31:516
257317499320,7cyclictest0-21swapper/1400:05:386
2573169993228,3cyclictest1774-21snmpd21:28:034
2573150993232,0cyclictest0-21swapper/623:31:3112
2573150993232,0cyclictest0-21swapper/623:31:3112
2573150993232,0cyclictest0-21swapper/600:24:0512
2573143993228,4cyclictest1774-21snmpd20:50:5310
257314399320,1cyclictest0-21swapper/421:28:0310
2573138993232,0cyclictest0-21swapper/223:59:498
2573138993232,0cyclictest0-21swapper/221:51:158
2573138993232,0cyclictest0-21swapper/221:43:178
2573138993231,1cyclictest1769-21arpwatch23:45:418
2573138993230,2cyclictest2656138-21kworker/u32:4+flush-259:020:50:178
2573138993230,2cyclictest0-21swapper/223:38:458
2573138993230,1cyclictest0-21swapper/200:30:158
2573138993230,0cyclictest0-21swapper/221:32:448
2573138993229,3cyclictest0-21swapper/223:34:188
2573138993229,3cyclictest0-21swapper/223:34:178
2573138993229,3cyclictest0-21swapper/223:27:418
2573138993229,3cyclictest0-21swapper/223:27:418
2573138993229,3cyclictest0-21swapper/200:10:198
2573138993221,4cyclictest0-21swapper/222:27:058
257313899320,30cyclictest0-21swapper/222:57:438
257313899320,29cyclictest2764788-21ssh22:20:088
257313899320,29cyclictest2735961-21kworker/2:0+mm_percpu_wq23:15:118
2573132993232,0cyclictest0-21swapper/022:34:070
2573132993232,0cyclictest0-21swapper/020:30:150
2573176993130,1cyclictest1774-21snmpd23:25:147
2573176993130,1cyclictest1774-21snmpd23:25:137
257317699310,30cyclictest0-21swapper/1522:18:417
257317499310,6cyclictest0-21swapper/1420:03:596
257317199310,30cyclictest0-21swapper/1323:10:495
2573169993127,4cyclictest2575240-21mii-tool19:10:154
257316499310,30cyclictest0-21swapper/1123:16:583
2573161993130,1cyclictest2755849-21kworker/10:2+events23:44:202
2573161993130,1cyclictest1774-21snmpd21:33:052
2573161993129,1cyclictest2755849-21kworker/10:2+events23:12:572
2573159993129,1cyclictest0-21swapper/922:42:3915
2573155993130,1cyclictest1774-21snmpd22:40:0314
257315599310,30cyclictest0-21swapper/822:10:0514
257315399310,30cyclictest0-21swapper/723:25:4113
257315399310,30cyclictest0-21swapper/723:25:4013
257315399310,30cyclictest0-21swapper/722:38:2013
2573150993131,0cyclictest0-21swapper/623:12:0512
2573150993131,0cyclictest0-21swapper/623:00:1512
2573150993131,0cyclictest0-21swapper/600:38:2112
2573150993131,0cyclictest0-21swapper/600:28:2112
2573150993130,1cyclictest2735097-21kworker/u32:0+events_unbound22:35:1612
2573148993130,1cyclictest1774-21snmpd23:17:1011
2573148993130,1cyclictest1774-21snmpd22:48:0911
2573143993129,1cyclictest1774-21snmpd21:17:5410
2573143993128,3cyclictest1774-21snmpd20:49:3510
257314399310,30cyclictest0-21swapper/423:40:1610
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional