You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-16 - 11:16

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 Tue Jun 16, 2026 00:46:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22954992397376,14sleep150-21swapper/1519:08:277
22952262374354,13sleep20-21swapper/219:05:338
22953992370330,33sleep50-21swapper/519:07:1311
22954792368329,13sleep10-21swapper/119:08:131
22954592362345,11sleep40-21swapper/419:08:0110
22954962358339,13sleep130-21swapper/1319:08:255
22954392352331,14sleep70-21swapper/719:07:4713
22953452352332,13sleep30-21swapper/319:06:389
22953272352332,13sleep80-21swapper/819:06:2714
22956012351330,14sleep110-21swapper/1119:09:443
22955612351331,13sleep100-21swapper/1019:09:102
22955662350330,13sleep140-21swapper/1419:09:146
22954782349329,13sleep00-21swapper/019:08:120
22954862348327,13sleep60-21swapper/619:08:1812
22953062347328,13sleep120-21swapper/1219:06:164
22953282346325,14sleep90-21swapper/919:06:2815
229608699520,27cyclictest0-21swapper/1423:18:026
229608699520,27cyclictest0-21swapper/1423:07:046
229608699520,27cyclictest0-21swapper/1421:50:116
229608699520,27cyclictest0-21swapper/1421:39:116
229608699520,27cyclictest0-21swapper/1421:28:126
229608699520,27cyclictest0-21swapper/1420:55:166
229608699520,27cyclictest0-21swapper/1400:01:586
229608699510,26cyclictest0-21swapper/1420:33:186
229608699510,26cyclictest0-21swapper/1420:33:176
229608699510,26cyclictest0-21swapper/1419:16:256
229608699500,26cyclictest0-21swapper/1420:22:196
229608699500,24cyclictest0-21swapper/1422:45:056
229608699490,24cyclictest0-21swapper/1423:29:026
229608699490,24cyclictest0-21swapper/1423:29:016
229608699490,24cyclictest0-21swapper/1400:23:556
2296067994038,2cyclictest2575349-21kworker/u32:3+events_unbound00:10:1914
2296086993914,25cyclictest0-21swapper/1419:27:236
2296049993631,5cyclictest2484452-21kworker/u32:3+flush-259:022:37:458
2296086993511,11cyclictest0-21swapper/1420:00:206
229608699330,8cyclictest0-21swapper/1400:34:556
2296070993327,5cyclictest1774-21snmpd22:07:4815
2296067993333,0cyclictest0-21swapper/823:50:1414
229606599330,32cyclictest0-21swapper/723:01:3913
2296049993326,7cyclictest2331902-21cat19:50:118
229608699323,0cyclictest0-21swapper/1422:40:166
2296067993232,0cyclictest0-21swapper/823:28:4814
2296067993232,0cyclictest0-21swapper/823:28:4714
229606599320,31cyclictest0-21swapper/722:16:0613
229604999320,29cyclictest0-21swapper/223:50:088
229604999320,29cyclictest0-21swapper/222:30:238
229608299310,30cyclictest0-21swapper/1300:11:255
229608099310,30cyclictest0-21swapper/1222:11:194
229608099310,30cyclictest0-21swapper/1219:45:144
229608099310,30cyclictest0-21swapper/1200:16:354
2296077993130,1cyclictest1774-21snmpd19:11:483
2296077993130,1cyclictest0-21swapper/1121:19:413
2296075993130,0cyclictest2597097-21kworker/10:2+events00:37:062
2296075993129,1cyclictest2542757-21kworker/10:0+events23:24:192
2296075993129,1cyclictest2406636-21kworker/10:0+events21:58:332
2296075993129,1cyclictest2406636-21kworker/10:0+events21:31:392
2296067993131,0cyclictest0-21swapper/822:17:4014
2296067993131,0cyclictest0-21swapper/821:16:2114
2296067993129,1cyclictest2434770-21kworker/u32:2+events_unbound23:30:1714
2296067993129,1cyclictest2434770-21kworker/u32:2+events_unbound23:30:1714
2296065993126,5cyclictest2626807-21mii-tool00:05:1513
229606599310,30cyclictest0-21swapper/700:28:2913
229606599310,0cyclictest0-21swapper/721:25:1413
229606199310,30cyclictest0-21swapper/622:12:4812
229606199310,30cyclictest0-21swapper/600:39:0212
229605999310,30cyclictest0-21swapper/519:24:0111
2296049993127,3cyclictest2595981-21ssh23:40:248
2296044993130,1cyclictest1774-21snmpd21:36:200
229604499310,30cyclictest0-21swapper/019:54:160
2296089993029,1cyclictest2529423-21mii-tool22:50:147
2296089993029,1cyclictest1774-21snmpd20:43:487
229608999300,29cyclictest0-21swapper/1521:55:507
2296086993029,1cyclictest1774-21snmpd23:54:106
229608699300,30cyclictest0-21swapper/1422:30:326
2296082993029,1cyclictest1774-21snmpd22:11:095
2296082993029,1cyclictest1774-21snmpd20:39:375
2296082993029,1cyclictest1774-21snmpd20:26:575
2296082993029,1cyclictest1774-21snmpd20:26:565
2296082993029,1cyclictest1774-21snmpd19:24:375
2296082993029,1cyclictest0-21swapper/1320:17:385
229608299300,1cyclictest0-21swapper/1323:38:525
2296080993029,1cyclictest2620304-21mii-tool00:00:154
2296080993029,1cyclictest0-21swapper/1221:09:254
2296075993030,0cyclictest2466603-21kworker/10:1+events22:23:412
2296075993029,1cyclictest2597097-21kworker/10:2+events00:33:052
2296075993029,1cyclictest2597097-21kworker/10:2+events00:29:282
2296075993029,1cyclictest2597097-21kworker/10:2+events00:08:072
2296075993029,1cyclictest2586294-21kworker/10:1+events23:43:192
2296075993029,1cyclictest2571748-21kworker/10:2+events23:25:282
2296075993029,1cyclictest2571748-21kworker/10:2+events23:25:272
2296075993029,1cyclictest2542757-21kworker/10:0+events23:05:132
2296075993029,1cyclictest2466603-21kworker/10:1+events23:00:232
2296075993029,1cyclictest2466603-21kworker/10:1+events22:14:022
2296075993029,1cyclictest2332944-21kworker/10:1+events20:06:172
2296075993029,1cyclictest2273126-21kworker/10:0+events19:14:592
2296075993029,1cyclictest1774-21snmpd22:03:492
2296075993029,1cyclictest1774-21snmpd21:12:252
2296075993028,1cyclictest2597097-21kworker/10:2+events00:00:482
2296075993028,1cyclictest2542757-21kworker/10:0+events23:30:202
2296075993028,1cyclictest2542757-21kworker/10:0+events23:30:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional