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2025-12-26 - 18:22
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 Fri Dec 26, 2025 12:46:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)		T*(,W**)
latency
(µs)		CmdPIDPrioCmd
3796558229382915,15sleep40-21swapper/407:07:504
379688999152139,6cyclictest3827093-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork		08:24:552
379688999152139,6cyclictest3827093-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork		08:24:552
379688999137125,6cyclictest3836934-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork		09:55:102
379688999134120,7cyclictest3904820-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		11:25:382
37968799913224,53cyclictest3952514-21kworker/u12:2+rpciod@
rpc_async_schedule		11:00:280
379689899131122,5cyclictest3966665-21ssh10:55:334
37968799912734,66cyclictest3967278-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork		10:59:100
379687999123104,15cyclictest210-21kswapd011:25:000
379688999120109,5cyclictest3798746-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork		07:19:412
379689899113102,6cyclictest4012851-21ssh11:35:274
37968799911393,16cyclictest210-21kswapd011:45:010
37968799911393,16cyclictest210-21kswapd011:45:010
37968799911324,20cyclictest3904820-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		10:30:220
37968989911298,8cyclictest4018755-21ssh11:40:314
37968989911298,8cyclictest4018755-21ssh11:40:314
37968799911277,20cyclictest0-21swapper/010:20:470
37968799911090,16cyclictest210-21kswapd011:05:240
37968799910787,16cyclictest210-21kswapd011:35:260
37968799910769,26cyclictest3798746-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork		07:20:080
3796879991071,91cyclictest0-21swapper/009:05:140
3796879991061,84cyclictest3845233-21diskmemload09:11:160
3796879991061,84cyclictest3845233-21diskmemload09:11:160
3796879991052,91cyclictest69050irq/528-eth0-Tx12:25:320
37968989910498,2cyclictest0-21swapper/409:50:254
37968949910490,7cyclictest3904820-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		11:20:393
37968799910465,23cyclictest0-21swapper/007:10:270
37968799910459,24cyclictest3824839-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		08:48:200
403020521030,5sleep336-21rcuc/311:50:283
37968989910389,7cyclictest3848381-21diskmemload-410:20:274
37968859910389,7cyclictest4026210-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork		11:55:451
3796879991032,70cyclictest0-21swapper/010:10:020
3796879991032,70cyclictest0-21swapper/010:10:010
3796879991031,71cyclictest3913232-21rm10:10:020
3796879991031,71cyclictest3913232-21rm10:10:010
37968899910287,8cyclictest3952514-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork		11:00:342
3796879991021,89cyclictest0-21swapper/009:40:410
3796879991021,89cyclictest0-21swapper/009:40:410
3796879991021,84cyclictest0-21swapper/008:39:280
3796879991021,84cyclictest0-21swapper/008:39:280
37969039910196,2cyclictest0-21swapper/511:25:015
37968799910182,14cyclictest210-21kswapd010:25:250
37968799910182,14cyclictest210-21kswapd010:25:240
3796879991012,77cyclictest0-21swapper/009:35:360
3796879991011,69cyclictest0-21swapper/010:43:580
3796879991002,81cyclictest69050irq/528-eth0-Tx12:20:440
3796879999968,15cyclictest69050irq/528-eth0-Tx12:14:310
3796894999884,7cyclictest3887942-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork		10:05:223
3796894999884,7cyclictest3887942-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork		10:05:223
3796889999885,6cyclictest3824839-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		08:34:572
379687999981,92cyclictest0-21swapper/008:30:150
3796894999785,6cyclictest3881093-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork		09:45:113
3796879999771,16cyclictest0-21swapper/007:51:430
3796879999771,16cyclictest0-21swapper/007:51:430
3796889999683,6cyclictest4054236-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork		12:30:502
3796879999664,22cyclictest69050irq/528-eth0-Tx09:45:320
3796879999663,13cyclictest0-21swapper/007:57:010
379687999961,82cyclictest0-21swapper/008:28:460
3796879999561,23cyclictest0-21swapper/008:58:460
379687999952,76cyclictest0-21swapper/010:47:470
3796879999523,13cyclictest0-21swapper/012:35:360
379687999951,69cyclictest0-21swapper/011:35:000
379687999941,82cyclictest0-21swapper/008:42:140
379687999941,74cyclictest4030837-21/usr/sbin/munin11:50:440
379687999941,61cyclictest0-21swapper/010:00:210
379687999941,61cyclictest0-21swapper/010:00:200
3796879999357,23cyclictest68950irq/527-eth0-Tx11:55:190
379687999932,86cyclictest14550irq/98-imx_mu_c08:16:330
379687999931,80cyclictest0-21swapper/007:32:210
379687999931,72cyclictest0-21swapper/009:15:400
3796894999278,7cyclictest3811294-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		07:49:443
3796885999277,8cyclictest3895929-21kworker/u12:4+events_unbound@
flush_memcg_stats_dwork		10:10:241
3796885999277,8cyclictest3895929-21kworker/u12:4+events_unbound@
flush_memcg_stats_dwork		10:10:231
379687999921,82cyclictest0-21swapper/008:05:030
379687999921,82cyclictest0-21swapper/008:05:030
379687999921,81cyclictest0-21swapper/008:53:300
379687999921,81cyclictest0-21swapper/008:53:300
379687999921,77cyclictest0-21swapper/008:00:410
379687999921,72cyclictest0-21swapper/012:32:170
3796879999212,5cyclictest69250irq/530-eth0-Tx11:25:210
3796889999180,4cyclictest3904820-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		10:30:282
3796885999179,8cyclictest3972315-21bingrep11:00:261
3796879999166,18cyclictest3839154-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork		09:00:160
3796879999162,20cyclictest0-21swapper/008:12:550
3796879999159,20cyclictest69050irq/528-eth0-Tx09:20:240
3796879999155,27cyclictest69150irq/529-eth0-Tx11:45:430
379687999912,74cyclictest0-21swapper/010:18:030
379687999911,79cyclictest0-21swapper/007:16:350
379687999911,77cyclictest0-21swapper/011:16:110
379687999911,71cyclictest0-21swapper/007:40:400
3796898999083,4cyclictest0-21swapper/407:55:184
3796898999080,5cyclictest4006425-21ssh11:30:164
3796889999077,6cyclictest3805985-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork		07:32:182
379687999901,77cyclictest0-21swapper/007:46:290
379687999891,68cyclictest0-21swapper/012:03:230
3796898998883,2cyclictest0-21swapper/412:20:444
3796894998875,6cyclictest3974176-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork		11:15:383
3796885998875,6cyclictest4046117-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork		12:10:141
3796879998858,19cyclictest0-21swapper/007:25:430
3796879998822,50cyclictest0-21swapper/012:15:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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