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2025-12-06 - 12:20
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack4slot4.osadl.org (updated Sat Dec 06, 2025 00:53:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71700rcu_preempt0-21swapper/123:15:411
71700rcu_preempt0-21swapper/123:15:411
71700rcu_preempt0-21swapper/123:15:411
71620rcu_preempt0-21swapper/100:43:101
71620rcu_preempt0-21swapper/100:43:101
3128299623cyclictest0-21swapper/022:22:470
3128299623cyclictest0-21swapper/022:22:470
3128299613cyclictest0-21swapper/023:36:320
3128299613cyclictest0-21swapper/023:36:320
3128299592cyclictest8626-21runrttasks22:28:310
3128299592cyclictest8626-21runrttasks22:28:310
3128299572cyclictest0-21swapper/022:10:150
3128299572cyclictest0-21swapper/022:10:150
3128299572cyclictest0-21swapper/022:10:150
3128299564cyclictest0-21swapper/020:03:090
3128299564cyclictest0-21swapper/020:03:090
31282995617cyclictest0-21swapper/000:44:450
31282995617cyclictest0-21swapper/000:44:450
3128299554cyclictest0-21swapper/000:53:100
3128299554cyclictest0-21swapper/000:53:100
3128299552cyclictest13559-21ntp_states00:03:180
3128299552cyclictest13559-21ntp_states00:03:180
31282995515cyclictest0-21swapper/023:31:460
31282995515cyclictest0-21swapper/023:31:460
31282995515cyclictest0-21swapper/023:31:460
3128299542cyclictest24125-21apt-get23:23:020
3128299542cyclictest24125-21apt-get23:23:020
3128299542cyclictest16311-21diskstats23:08:090
3128299542cyclictest16311-21diskstats23:08:090
3128299542cyclictest0-21swapper/001:11:320
3128299542cyclictest0-21swapper/001:11:320
3128299542cyclictest0-21swapper/001:11:320
3128299534cyclictest0-21swapper/023:38:170
3128299534cyclictest0-21swapper/023:38:170
3128299534cyclictest0-21swapper/023:38:170
3128299534cyclictest0-21swapper/023:13:130
3128299534cyclictest0-21swapper/023:13:130
3128299534cyclictest0-21swapper/023:13:130
3128299534cyclictest0-21swapper/021:58:150
3128299534cyclictest0-21swapper/021:58:150
3128299534cyclictest0-21swapper/021:00:320
3128299534cyclictest0-21swapper/021:00:320
3128299534cyclictest0-21swapper/000:34:220
3128299534cyclictest0-21swapper/000:34:220
3128299534cyclictest0-21swapper/000:34:220
3128299534cyclictest0-21swapper/000:12:500
3128299534cyclictest0-21swapper/000:12:500
3128299533cyclictest0-21swapper/021:48:170
3128299533cyclictest0-21swapper/021:48:170
3128299533cyclictest0-21swapper/020:13:070
3128299533cyclictest0-21swapper/020:13:070
3128299533cyclictest0-21swapper/020:00:570
3128299533cyclictest0-21swapper/020:00:570
3128299533cyclictest0-21swapper/001:07:530
3128299533cyclictest0-21swapper/001:07:530
3128299532cyclictest8626-21runrttasks20:35:170
3128299532cyclictest8626-21runrttasks20:35:170
3128299532cyclictest8626-21runrttasks20:20:230
3128299532cyclictest8626-21runrttasks20:20:230
3128299532cyclictest488-21ntp_states22:38:180
3128299532cyclictest488-21ntp_states22:38:180
3128299524cyclictest0-21swapper/022:13:050
3128299524cyclictest0-21swapper/022:13:050
3128299524cyclictest0-21swapper/022:04:440
3128299524cyclictest0-21swapper/022:04:440
3128299524cyclictest0-21swapper/022:04:440
3128299524cyclictest0-21swapper/001:02:510
3128299524cyclictest0-21swapper/001:02:510
3128299524cyclictest0-21swapper/000:38:070
3128299524cyclictest0-21swapper/000:38:070
3128299524cyclictest0-21swapper/000:02:490
3128299524cyclictest0-21swapper/000:02:490
3128299523cyclictest0-21swapper/023:57:240
3128299523cyclictest0-21swapper/023:57:240
3128299523cyclictest0-21swapper/023:48:110
3128299523cyclictest0-21swapper/023:48:110
3128299523cyclictest0-21swapper/023:48:110
3128299523cyclictest0-21swapper/023:03:150
3128299523cyclictest0-21swapper/023:03:150
3128299523cyclictest0-21swapper/022:48:210
3128299523cyclictest0-21swapper/022:48:210
3128299523cyclictest0-21swapper/022:47:510
3128299523cyclictest0-21swapper/022:47:510
3128299523cyclictest0-21swapper/021:08:140
3128299523cyclictest0-21swapper/021:08:140
3128299523cyclictest0-21swapper/020:48:170
3128299523cyclictest0-21swapper/020:48:170
3128299523cyclictest0-21swapper/020:48:170
3128299523cyclictest0-21swapper/000:13:060
3128299523cyclictest0-21swapper/000:13:060
3128299522cyclictest8626-21runrttasks20:44:510
3128299522cyclictest8626-21runrttasks20:44:510
3128299522cyclictest8626-21runrttasks20:44:510
3128299522cyclictest26346-21/usr/sbin/munin00:28:200
3128299522cyclictest26346-21/usr/sbin/munin00:28:200
3128299522cyclictest11684-21munin-run20:27:510
3128299522cyclictest11684-21munin-run20:27:510
3128299514cyclictest0-21swapper/022:36:340
3128299514cyclictest0-21swapper/022:36:340
3128299514cyclictest0-21swapper/022:23:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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