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2026-04-20 - 22:54
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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 Mon Apr 20, 2026 12:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71590rcu_preempt0-21swapper/010:35:150
71590rcu_preempt0-21swapper/010:35:150
71590rcu_preempt0-21swapper/010:35:150
71500rcu_preempt0-21swapper/009:08:060
71500rcu_preempt0-21swapper/009:08:060
71490rcu_preempt679-21sh10:30:060
71490rcu_preempt679-21sh10:30:060
71490rcu_preempt0-21swapper/008:26:030
71490rcu_preempt0-21swapper/008:26:030
71490rcu_preempt0-21swapper/008:26:030
71480rcu_preempt0-21swapper/209:36:182
71480rcu_preempt0-21swapper/209:36:182
71480rcu_preempt0-21swapper/209:36:182
71460rcu_preempt20770-21irqstats10:07:481
71460rcu_preempt20770-21irqstats10:07:481
71460rcu_preempt20770-21irqstats10:07:481
71460rcu_preempt10578-21sh09:48:391
71460rcu_preempt10578-21sh09:48:391
71460rcu_preempt0-21swapper/010:16:040
71460rcu_preempt0-21swapper/010:16:040
71450rcu_preempt0-21swapper/310:07:503
71450rcu_preempt0-21swapper/310:07:503
71450rcu_preempt0-21swapper/310:07:503
71450rcu_preempt0-21swapper/108:47:391
71450rcu_preempt0-21swapper/108:47:391
71440rcu_preempt0-21swapper/310:24:293
71440rcu_preempt0-21swapper/310:24:293
71440rcu_preempt0-21swapper/310:24:293
71440rcu_preempt0-21swapper/109:12:331
71440rcu_preempt0-21swapper/109:12:331
71430rcu_preempt0-21swapper/311:49:113
71430rcu_preempt0-21swapper/311:49:113
71430rcu_preempt0-21swapper/311:49:113
71430rcu_preempt0-21swapper/211:13:392
71430rcu_preempt0-21swapper/211:13:392
71430rcu_preempt0-21swapper/111:20:211
71430rcu_preempt0-21swapper/111:20:211
71420rcu_preempt32484-21/usr/sbin/munin11:27:453
71420rcu_preempt32484-21/usr/sbin/munin11:27:453
71420rcu_preempt32484-21/usr/sbin/munin11:27:453
71420rcu_preempt23727-1kworker/0:1H12:12:370
71420rcu_preempt23727-1kworker/0:1H12:12:370
71420rcu_preempt0-21swapper/210:52:102
71420rcu_preempt0-21swapper/210:52:102
71420rcu_preempt0-21swapper/111:37:581
71420rcu_preempt0-21swapper/111:37:581
71420rcu_preempt0-21swapper/111:08:531
71420rcu_preempt0-21swapper/111:08:531
71420rcu_preempt0-21swapper/111:08:531
46050420irq/122-QManpo0-210
46050420irq/122-QManpo0-210
71410rcu_preempt28191-21grep12:17:531
71410rcu_preempt28191-21grep12:17:531
71410rcu_preempt28191-21grep12:17:531
71410rcu_preempt0-21swapper/309:59:373
71410rcu_preempt0-21swapper/309:59:373
71410rcu_preempt0-21swapper/209:56:432
71410rcu_preempt0-21swapper/209:56:432
71410rcu_preempt0-21swapper/111:33:081
71410rcu_preempt0-21swapper/111:33:081
71410rcu_preempt0-21swapper/111:23:461
71410rcu_preempt0-21swapper/111:23:461
71410rcu_preempt0-21swapper/111:23:461
71410rcu_preempt0-21swapper/110:26:061
71410rcu_preempt0-21swapper/110:26:061
71410rcu_preempt0-21swapper/110:26:061
71410rcu_preempt0-21swapper/109:37:371
71410rcu_preempt0-21swapper/109:37:371
71410rcu_preempt0-21swapper/109:32:291
71410rcu_preempt0-21swapper/109:32:291
100650410irq/38-i2c-mpc0-21swapper/011:22:240
100650410irq/38-i2c-mpc0-21swapper/011:22:240
71400rcu_preempt5542-21/usr/sbin/munin11:37:423
71400rcu_preempt5542-21/usr/sbin/munin11:37:423
71400rcu_preempt23784-21/usr/sbin/munin11:12:541
71400rcu_preempt23784-21/usr/sbin/munin11:12:541
71400rcu_preempt10696-21latency_hist11:47:291
71400rcu_preempt10696-21latency_hist11:47:291
71400rcu_preempt0-21swapper/010:47:330
71400rcu_preempt0-21swapper/010:47:330
71400rcu_preempt0-21swapper/007:52:350
71400rcu_preempt0-21swapper/007:52:350
71390rcu_preempt30769-21ssh09:27:372
71390rcu_preempt30769-21ssh09:27:372
71390rcu_preempt21746-21copy12:07:370
71390rcu_preempt21746-21copy12:07:370
71390rcu_preempt20331-21kworker/2:112:07:372
71390rcu_preempt20331-21kworker/2:112:07:372
71390rcu_preempt0-21swapper/312:42:263
71390rcu_preempt0-21swapper/312:42:263
71390rcu_preempt0-21swapper/312:42:263
71390rcu_preempt0-21swapper/310:19:273
71390rcu_preempt0-21swapper/310:19:273
71390rcu_preempt0-21swapper/310:19:273
71390rcu_preempt0-21swapper/308:10:203
71390rcu_preempt0-21swapper/308:10:203
71390rcu_preempt0-21swapper/212:06:212
71390rcu_preempt0-21swapper/212:06:212
71390rcu_preempt0-21swapper/212:06:212
71390rcu_preempt0-21swapper/211:01:372
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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