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2025-02-18 - 23:38
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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 Tue Feb 18, 2025 12:46:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1996503220462022,15sleep50-21swapper/507:05:385
199745899117107,7cyclictest210-21kswapd012:15:230
19974589911614,69cyclictest2129933-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
11:30:490
19974739911298,7cyclictest1997046-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
07:29:363
19974649910188,7cyclictest2231736-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
12:35:271
19974649910090,7cyclictest210-21kswapd011:50:181
19974649910090,7cyclictest210-21kswapd011:50:181
1997468999481,6cyclictest2015088-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
07:54:412
1997468999481,6cyclictest2015088-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
07:54:412
199745899941,81cyclictest0-21swapper/007:33:330
199745899941,81cyclictest0-21swapper/007:33:330
199745899931,80cyclictest0-21swapper/007:26:100
1997473999282,6cyclictest210-21kswapd010:10:003
1997473999282,6cyclictest210-21kswapd010:09:593
1997473999076,7cyclictest2110287-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
10:25:013
199745899901,77cyclictest0-21swapper/007:43:410
199745899901,66cyclictest0-21swapper/012:12:210
1997468998874,7cyclictest2110287-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
10:20:012
199745899881,74cyclictest0-21swapper/010:15:270
199745899881,67cyclictest0-21swapper/010:32:270
1997458998723,30cyclictest2234646-21/usr/sbin/munin12:20:230
199745899871,67cyclictest0-21swapper/010:40:510
199745899871,67cyclictest0-21swapper/010:40:510
1997458998714,59cyclictest2018998-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
08:01:560
1997478998672,7cyclictest2046837-21diskmemload-411:45:164
199745899861,76cyclictest0-21swapper/008:13:510
199745899861,76cyclictest0-21swapper/008:13:500
199745899861,66cyclictest2043935-21diskmemload11:00:590
199745899861,66cyclictest2043935-21diskmemload11:00:590
199745899861,53cyclictest0-21swapper/009:36:010
1997478998573,7cyclictest2046837-21diskmemload-410:00:024
1997478998573,7cyclictest2046837-21diskmemload-410:00:014
1997473998572,6cyclictest2043916-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
09:29:563
199745899851,6cyclictest2034169-21memory08:40:270
199745899851,65cyclictest0-21swapper/012:38:270
199745899842,70cyclictest0-21swapper/011:18:390
20144642830,4chrt0-21swapper/007:50:520
20144642830,4chrt0-21swapper/007:50:510
199745899831,66cyclictest0-21swapper/010:45:030
199745899831,66cyclictest0-21swapper/010:45:020
199745899831,66cyclictest0-21swapper/009:14:110
199745899831,59cyclictest2062305-21sh09:30:300
199745899831,58cyclictest2043935-21diskmemload09:55:170
199745899822,60cyclictest2210343-21sendmail12:00:000
199745899822,60cyclictest2210343-21sendmail12:00:000
199745899821,68cyclictest0-21swapper/010:52:430
199745899821,68cyclictest0-21swapper/010:52:430
199745899821,5cyclictest2199458-21netstat11:50:250
199745899821,5cyclictest2199458-21netstat11:50:250
199745899821,3cyclictest0-21swapper/007:10:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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