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2024-09-11 - 15:18
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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 20 highest latencies:
System (updated Wed Sep 11, 2024 12:46:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
300659211151098,7sleep1299971-21kworker/1:0+events@
dbs_work_handler
07:06:171
30176199155149,2cyclictest0-21swapper/410:36:434
30174699140106,13cyclictest404328-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
12:25:080
3017469913191,19cyclictest358199-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
10:25:040
3017469913191,19cyclictest358199-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
10:25:030
301746991241,88cyclictest140575-21kworker/0:1+events@
igb_watchdog_task
09:43:370
301746991202,81cyclictest140575-21kworker/0:1+events@
igb_watchdog_task
07:50:130
301746991202,81cyclictest140575-21kworker/0:1+events@
igb_watchdog_task
07:50:130
30176199118113,2cyclictest0-21swapper/411:35:034
301746991181,72cyclictest140575-21kworker/0:1+events@
igb_watchdog_task
08:35:130
301746991181,72cyclictest140575-21kworker/0:1+events@
igb_watchdog_task
08:35:130
301746991151,64cyclictest359927-21kworker/0:2+events@
igb_watchdog_task
11:41:200
30176699113106,3cyclictest0-21swapper/511:15:045
30176699113106,3cyclictest0-21swapper/511:15:035
3017469911239,29cyclictest140575-21kworker/0:1+events@
igb_watchdog_task
08:46:170
3017469911239,29cyclictest140575-21kworker/0:1+events@
igb_watchdog_task
08:46:170
301746991122,80cyclictest140575-21kworker/0:1+events@
igb_watchdog_task
08:02:260
3017579911191,12cyclictest207-21kswapd010:23:043
3017469911138,31cyclictest359927-21kworker/0:2+events@
igb_watchdog_task
11:11:250
3017469911048,25cyclictest359927-21kworker/0:2+events@
igb_watchdog_task
11:23:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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