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2026-04-11 - 09:02
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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 Apr 11, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71760rcu_preempt0-21swapper/220:47:202
71760rcu_preempt0-21swapper/220:47:202
71760rcu_preempt0-21swapper/220:47:202
71550rcu_preempt24447-21/usr/sbin/munin23:27:421
71550rcu_preempt24447-21/usr/sbin/munin23:27:421
1242199534cyclictest24768-21/usr/sbin/munin21:32:300
1242199534cyclictest24768-21/usr/sbin/munin21:32:300
1242199534cyclictest24768-21/usr/sbin/munin21:32:300
1242199534cyclictest0-21swapper/023:30:410
1242199534cyclictest0-21swapper/023:30:410
1242199534cyclictest0-21swapper/000:04:520
1242199534cyclictest0-21swapper/000:04:520
1242199534cyclictest0-21swapper/000:04:520
1242199533cyclictest23809-21diskstats19:52:310
1242199533cyclictest23809-21diskstats19:52:310
1242199533cyclictest23809-21diskstats19:52:310
1242199533cyclictest0-21swapper/023:17:380
1242199533cyclictest0-21swapper/023:17:380
1242199533cyclictest0-21swapper/022:40:160
1242199533cyclictest0-21swapper/022:40:160
1242199533cyclictest0-21swapper/022:40:160
1242199533cyclictest0-21swapper/021:27:270
1242199533cyclictest0-21swapper/021:27:270
1242199532cyclictest26794-21df23:32:300
1242199532cyclictest26794-21df23:32:300
1242199532cyclictest1959-21runrttasks19:59:410
1242199532cyclictest1959-21runrttasks19:59:410
1242199532cyclictest1900-21munin-node00:37:250
1242199532cyclictest1900-21munin-node00:37:250
1242199532cyclictest1900-21munin-node00:37:250
71520rcu_preempt0-21swapper/122:49:101
71520rcu_preempt0-21swapper/122:49:101
71520rcu_preempt0-21swapper/122:26:001
71520rcu_preempt0-21swapper/122:26:001
71520rcu_preempt0-21swapper/122:26:001
1242199524cyclictest0-21swapper/023:42:220
1242199524cyclictest0-21swapper/023:42:220
1242199524cyclictest0-21swapper/023:42:220
1242199524cyclictest0-21swapper/021:07:330
1242199524cyclictest0-21swapper/021:07:330
1242199523cyclictest7344-21users20:47:480
1242199523cyclictest7344-21users20:47:480
1242199523cyclictest31766-21munin-run20:22:150
1242199523cyclictest31766-21munin-run20:22:150
1242199523cyclictest0-21swapper/023:09:540
1242199523cyclictest0-21swapper/023:09:540
1242199523cyclictest0-21swapper/023:09:540
1242199523cyclictest0-21swapper/022:47:590
1242199523cyclictest0-21swapper/022:47:590
1242199523cyclictest0-21swapper/022:05:010
1242199523cyclictest0-21swapper/022:05:010
1242199523cyclictest0-21swapper/022:05:010
1242199523cyclictest0-21swapper/020:52:400
1242199523cyclictest0-21swapper/020:52:400
1242199523cyclictest0-21swapper/020:27:430
1242199523cyclictest0-21swapper/020:27:430
1242199522cyclictest30608-21df21:42:290
1242199522cyclictest30608-21df21:42:290
1242199522cyclictest30608-21df21:42:290
1242199522cyclictest12239-21meminfo22:07:370
1242199522cyclictest12239-21meminfo22:07:370
1242199521cyclictest1959-21runrttasks20:25:100
1242199521cyclictest1959-21runrttasks20:25:100
1242199521cyclictest1959-21runrttasks20:25:100
71510rcu_preempt0-21swapper/120:11:451
71510rcu_preempt0-21swapper/120:11:451
1242199514cyclictest0-21swapper/023:57:150
1242199514cyclictest0-21swapper/023:57:150
1242199514cyclictest0-21swapper/021:57:430
1242199514cyclictest0-21swapper/021:57:430
1242199513cyclictest21667-21users19:42:450
1242199513cyclictest21667-21users19:42:450
1242199513cyclictest21667-21users19:42:450
1242199513cyclictest0-21swapper/023:57:270
1242199513cyclictest0-21swapper/023:57:270
1242199513cyclictest0-21swapper/022:37:160
1242199513cyclictest0-21swapper/022:37:160
1242199513cyclictest0-21swapper/021:51:550
1242199513cyclictest0-21swapper/021:51:550
1242199513cyclictest0-21swapper/021:17:300
1242199513cyclictest0-21swapper/021:17:300
1242199513cyclictest0-21swapper/021:17:300
1242199513cyclictest0-21swapper/020:37:380
1242199513cyclictest0-21swapper/020:37:380
1242199513cyclictest0-21swapper/020:12:350
1242199513cyclictest0-21swapper/020:12:350
1242199513cyclictest0-21swapper/020:12:350
1242199513cyclictest0-21swapper/019:37:280
1242199513cyclictest0-21swapper/019:37:280
1242199513cyclictest0-21swapper/019:37:280
1242199513cyclictest0-21swapper/000:22:330
1242199513cyclictest0-21swapper/000:22:330
1242199513cyclictest0-21swapper/000:22:330
1242199513cyclictest0-21swapper/000:14:110
1242199513cyclictest0-21swapper/000:14:110
1242199513cyclictest0-21swapper/000:14:110
1242199513cyclictest0-21swapper/000:07:400
1242199513cyclictest0-21swapper/000:07:400
1242199512cyclictest32553-21ssh22:43:200
1242199512cyclictest32553-21ssh22:43:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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