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2024-07-27 - 03:37
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 50 highest latencies:
System rack3slot4.osadl.org (updated Sat Jul 27, 2024 00:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)		T*(,W**)
latency
(µs)		CmdPIDPrioCmd
169442522651926509,3sleep50-21swapper/500:11:495
169442522651926509,3sleep50-21swapper/500:11:495
169962421672216712,3sleep50-21swapper/500:16:095
1420033991530515298,3cyclictest0-21swapper/500:09:425
170714621417514166,3sleep50-21swapper/500:23:085
170714621417514166,3sleep50-21swapper/500:23:085
1717713267426732,3sleep50-21swapper/500:31:495
1672937256865676,3sleep50-21swapper/523:54:515
1684427247344724,3sleep50-21swapper/500:03:565
1710070235523542,3sleep50-21swapper/500:25:275
1710070235523542,3sleep50-21swapper/500:25:275
1657241234813471,3sleep50-21swapper/523:41:245
1419745232803253,9sleep01419601-21kworker/0:2+events@
dbs_work_handler		19:08:320
1632692229572948,3sleep50-21swapper/523:22:005
1624932229112901,3sleep50-21swapper/523:15:455
1652667221872178,3sleep50-21swapper/523:38:175
1652667221872178,3sleep50-21swapper/523:38:165
1647083215611551,3sleep50-21swapper/523:34:025
1639476215371526,4sleep50-21swapper/523:27:335
1665006213821370,3sleep50-21swapper/523:48:045
1615690213431334,3sleep50-21swapper/523:08:595
16211362288278,3sleep50-21swapper/523:13:075
16451142173163,3sleep40-21swapper/423:31:544
1420009991201,85cyclictest1419601-21kworker/0:2+events@
igb_watchdog_task		21:45:100
14638282118111,3sleep50-21swapper/520:58:245
14200099911684,23cyclictest1544606-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork		22:13:360
141966121152,101sleep20-21swapper/219:07:212
15402522113103,3sleep50-21swapper/522:08:535
15589442112102,3sleep50-21swapper/522:23:445
14200099911144,28cyclictest1419601-21kworker/0:2+events@
igb_watchdog_task		20:20:010
14200099911063,28cyclictest1419601-21kworker/0:2+events@
igb_watchdog_task		20:35:090
14200099910726,66cyclictest1500577-21ssh21:36:420
14200099910726,66cyclictest1500577-21ssh21:36:410
1420009991055,68cyclictest1470087-21kworker/u12:2+events_unbound@
sched_tick_remote		21:50:110
14200099910358,27cyclictest1419601-21kworker/0:2+events@
igb_watchdog_task		23:25:010
14200099910139,24cyclictest1419601-21kworker/0:2+events@
igb_watchdog_task		23:51:130
1420009991011,45cyclictest13-21ksoftirqd/023:40:360
14200099910042,35cyclictest1573355-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork		22:42:120
1420009999954,25cyclictest1419601-21kworker/0:2+events@
igb_watchdog_task		23:35:110
1420009999954,25cyclictest1419601-21kworker/0:2+events@
igb_watchdog_task		23:35:100
1420009999948,24cyclictest1419601-21kworker/0:2+events@
igb_watchdog_task		21:15:180
1420009999948,24cyclictest1419601-21kworker/0:2+events@
igb_watchdog_task		21:15:170
1420009999940,35cyclictest1701279-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork		00:23:120
1420009999940,35cyclictest1701279-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork		00:23:120
157441029687,3sleep50-21swapper/522:35:405
1420009999645,26cyclictest1419601-21kworker/0:2+events@
igb_watchdog_task		23:15:320
1420009999550,23cyclictest1419601-21kworker/0:2+events@
igb_watchdog_task		19:55:190
146183129487,3sleep50-21swapper/520:53:215
1420009999430,41cyclictest1439914-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		20:00:120
1420009999430,41cyclictest1439914-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		20:00:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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