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2026-07-26 - 14:32
OSADL QA Farm

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of system in rack #3, 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 
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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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack3slot4.osadl.org (updated Sun Jul 26, 2026 12:46:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)		T*(,W**)
latency
(µs)		CmdPIDPrioCmd
136174991152,100cyclictest0-21swapper/007:45:410
136174991121,99cyclictest0-21swapper/008:00:010
1361749911071,29cyclictest67350irq/527-eth0-Tx09:47:480
136174991102,95cyclictest0-21swapper/010:02:050
1361799910895,7cyclictest134372-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		07:13:311
136174991082,95cyclictest0-21swapper/009:41:590
1361749910666,30cyclictest67350irq/527-eth0-Tx08:18:290
1361749910258,4cyclictest67450irq/528-eth0-Tx11:45:430
136174991021,68cyclictest0-21swapper/011:40:390
33555321010,3sleep20-21swapper/211:04:442
1361749910056,19cyclictest0-21swapper/007:50:290
1361749910056,19cyclictest0-21swapper/007:50:290
1361749910050,16cyclictest135696-21kworker/0:2-events07:45:010
136174991001,67cyclictest0-21swapper/011:50:400
136174991001,67cyclictest0-21swapper/009:13:130
136174999960,13cyclictest67350irq/527-eth0-Tx09:22:030
136174999950,36cyclictest0-21swapper/011:23:410
13617499991,56cyclictest161522-21netstat08:10:270
13617499991,3cyclictest0-21swapper/012:00:290
13617499991,3cyclictest0-21swapper/012:00:280
136174999845,22cyclictest67350irq/527-eth0-Tx10:50:030
136174999845,22cyclictest67350irq/527-eth0-Tx10:50:020
13617499972,65cyclictest0-21swapper/010:35:310
13617499972,53cyclictest276456-21telnet10:20:170
13617499972,4cyclictest0-21swapper/009:20:010
13617499971,66cyclictest0-21swapper/007:35:230
13617499971,66cyclictest0-21swapper/007:35:230
13617499971,65cyclictest0-21swapper/008:00:210
13617499971,3cyclictest0-21swapper/010:08:480
13617499971,3cyclictest0-21swapper/008:20:290
136174999710,48cyclictest184757-21diskmemload12:16:550
13617499962,9cyclictest310649-21ssh10:45:310
13617499962,9cyclictest310649-21ssh10:45:300
13617499962,67cyclictest0-21swapper/011:19:140
13617499961,67cyclictest0-21swapper/007:15:300
13617499952,57cyclictest0-21swapper/012:10:220
13617499951,8cyclictest263451-21ssh10:10:200
13617499951,6cyclictest159554-21/usr/sbin/munin08:05:310
13617499951,65cyclictest0-21swapper/012:36:170
13617499942,6cyclictest324218-21ntpq10:55:400
13617499942,6cyclictest324218-21ntpq10:55:400
13617499941,4cyclictest0-21swapper/009:25:370
13617499941,4cyclictest0-21swapper/009:25:370
136174999355,4cyclictest0-21swapper/009:30:180
136174999355,4cyclictest0-21swapper/009:30:170
136174999341,16cyclictest0-21swapper/010:34:100
13617499932,72cyclictest0-21swapper/011:05:230
13617499932,53cyclictest0-21swapper/008:45:410
13617499922,72cyclictest0-21swapper/012:22:530
13617499922,6cyclictest370520-21ntpq11:30:370
13617499922,6cyclictest370520-21ntpq11:30:370
13617499921,50cyclictest0-21swapper/009:05:330
136174999036,4cyclictest0-21swapper/011:35:180
13617499902,5cyclictest173407-21grep08:40:230
13617499901,58cyclictest0-21swapper/008:57:290
136174998947,14cyclictest0-21swapper/012:05:150
13617499892,54cyclictest0-21swapper/011:29:000
136174998855,4cyclictest67550irq/529-eth0-Tx11:10:340
1632922840,4sleep10-21swapper/108:15:221
136193998476,4cyclictest0-21swapper/411:07:464
1636092830,3chrt0-21swapper/408:15:314
136179998356,8cyclictest250624-21bingrep10:00:271
136193997872,3cyclictest0-21swapper/411:30:334
136193997872,3cyclictest0-21swapper/411:30:324
4081872760,5sleep4408186-21ssh11:59:544
13617499761,62cyclictest0-21swapper/008:26:010
13617499761,47cyclictest0-21swapper/011:55:450
13617499761,3cyclictest0-21swapper/009:55:340
136179997561,7cyclictest171028-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork		09:13:531
136174997548,16cyclictest67350irq/527-eth0-Tx12:25:380
13617499751,48cyclictest0-21swapper/009:36:490
4557952740,4chrt0-21swapper/312:35:323
4535112740,4sleep10-21swapper/112:34:181
4535112740,4sleep10-21swapper/112:34:181
136189997458,8cyclictest231807-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork		10:05:193
136183997359,7cyclictest432556-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork		12:39:432
136174997345,4cyclictest0-21swapper/007:25:390
13617499731,54cyclictest0-21swapper/011:04:420
136179997260,6cyclictest231807-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork		11:59:351
136179997257,7cyclictest326074-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork		11:20:021
13617499721,51cyclictest0-21swapper/009:50:210
136174997155,4cyclictest67650irq/530-eth0-Tx10:25:240
136174997138,3cyclictest0-21swapper/012:30:350
136174997138,3cyclictest0-21swapper/012:30:350
13617499711,44cyclictest0-21swapper/010:40:410
13617499711,44cyclictest0-21swapper/010:40:400
136189997058,6cyclictest148203-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork		08:03:443
136179997057,7cyclictest171028-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork		08:58:511
136189996957,6cyclictest134372-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		07:23:363
136179996942,8cyclictest442026-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		12:35:171
13617499692,6cyclictest270261-21irqstats10:15:220
13617499691,60cyclictest0-21swapper/008:51:490
13617499691,4cyclictest0-21swapper/007:15:010
136183996855,6cyclictest432556-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork		12:32:462
136183996855,6cyclictest432556-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork		12:32:462
13617499671,3cyclictest0-21swapper/007:31:050
136193996651,9cyclictest203973-21rm09:25:284
136193996651,9cyclictest203973-21rm09:25:284
136183996653,6cyclictest231807-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork		10:09:102
13618399662,43cyclictest0-21swapper/212:25:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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