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2026-06-09 - 22:19
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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 Tue Jun 09, 2026 12:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71530rcu_preempt2588-21copy08:03:302
71530rcu_preempt2588-21copy08:03:302
71530rcu_preempt2588-21copy08:03:302
46050480irq/122-QManpo14651-2110:48:550
46050480irq/122-QManpo14651-2110:48:550
2109799474cyclictest0-21swapper/310:38:333
2109799474cyclictest0-21swapper/310:38:333
2109799471cyclictest30106-1kworker/3:1H07:43:493
2109799471cyclictest30106-1kworker/3:1H07:43:493
71460rcu_preempt15489-21runrttasks11:05:163
71460rcu_preempt15489-21runrttasks11:05:163
71460rcu_preempt15489-21runrttasks11:05:163
71460rcu_preempt13683-1kworker/1:3H07:11:131
71460rcu_preempt13683-1kworker/1:3H07:11:131
294682460chrt46450irq/118-QMan10:48:552
294682460chrt46450irq/118-QMan10:48:552
71450rcu_preempt0-21swapper/012:14:100
71450rcu_preempt0-21swapper/012:14:100
71450rcu_preempt0-21swapper/007:50:570
71450rcu_preempt0-21swapper/007:50:570
71450rcu_preempt0-21swapper/007:50:570
2109799454cyclictest0-21swapper/310:08:253
2109799454cyclictest0-21swapper/310:08:253
2109799454cyclictest0-21swapper/308:46:463
2109799454cyclictest0-21swapper/308:46:463
71440rcu_preempt16041-21sh07:09:062
71440rcu_preempt16041-21sh07:09:062
71440rcu_preempt0-21swapper/112:30:101
71440rcu_preempt0-21swapper/112:30:101
71440rcu_preempt0-21swapper/112:30:101
2109799447cyclictest0-21swapper/308:48:433
2109799447cyclictest0-21swapper/308:48:433
2109799445cyclictest0-21swapper/309:23:173
2109799445cyclictest0-21swapper/309:23:173
2109799444cyclictest0-21swapper/311:38:433
2109799444cyclictest0-21swapper/311:38:433
2109799444cyclictest0-21swapper/311:38:433
2109799442cyclictest29693-1kworker/3:0H10:31:553
2109799442cyclictest29693-1kworker/3:0H10:31:553
2109799442cyclictest29693-1kworker/3:0H10:31:553
2109799442cyclictest17252-21/usr/sbin/munin12:13:323
2109799442cyclictest17252-21/usr/sbin/munin12:13:323
2109799435cyclictest19793-21ssh10:10:253
2109799435cyclictest19793-21ssh10:10:253
2109799435cyclictest19793-21ssh10:10:253
2109799434cyclictest0-21swapper/311:28:373
2109799434cyclictest0-21swapper/311:28:373
2109799434cyclictest0-21swapper/309:48:313
2109799434cyclictest0-21swapper/309:48:313
2109799434cyclictest0-21swapper/309:48:313
2109799434cyclictest0-21swapper/308:53:423
2109799434cyclictest0-21swapper/308:53:423
2109799433cyclictest22619-21meminfo09:13:413
2109799433cyclictest22619-21meminfo09:13:413
2109799433cyclictest12720-21ntp_states12:03:473
2109799433cyclictest12720-21ntp_states12:03:473
2109799433cyclictest12720-21ntp_states12:03:473
2109799433cyclictest0-21swapper/309:47:393
2109799433cyclictest0-21swapper/309:47:393
2109799433cyclictest0-21swapper/309:47:393
2109799433cyclictest0-21swapper/309:23:443
2109799433cyclictest0-21swapper/309:23:443
2109799433cyclictest0-21swapper/309:23:443
2109799432cyclictest6998-21apt-get11:53:303
2109799432cyclictest6998-21apt-get11:53:303
2109799432cyclictest6998-21apt-get11:53:303
2109799432cyclictest28292-21diskstats07:38:333
2109799432cyclictest28292-21diskstats07:38:333
2109799432cyclictest1959-21runrttasks11:48:283
2109799432cyclictest1959-21runrttasks11:48:283
2109799432cyclictest1959-21runrttasks11:48:283
2109799432cyclictest1266-21grep07:58:313
2109799432cyclictest1266-21grep07:58:313
21097994319cyclictest22721-21diskstats07:18:343
21097994319cyclictest22721-21diskstats07:18:343
21097994310cyclictest6832-21/usr/sbin/munin08:18:453
21097994310cyclictest6832-21/usr/sbin/munin08:18:453
1599430migration/032755-21taskset11:39:440
1599430migration/032755-21taskset11:39:440
1599430migration/032755-21taskset11:39:440
2109799424cyclictest0-21swapper/310:15:353
2109799424cyclictest0-21swapper/310:15:353
2109799424cyclictest0-21swapper/310:15:353
2109799424cyclictest0-21swapper/310:00:383
2109799424cyclictest0-21swapper/310:00:383
2109799424cyclictest0-21swapper/307:53:463
2109799424cyclictest0-21swapper/307:53:463
2109799424cyclictest0-21swapper/307:23:433
2109799424cyclictest0-21swapper/307:23:433
2109799424cyclictest0-21swapper/307:23:433
2109799423cyclictest0-21swapper/312:08:333
2109799423cyclictest0-21swapper/312:08:333
2109799423cyclictest0-21swapper/312:08:333
2109799423cyclictest0-21swapper/311:18:533
2109799423cyclictest0-21swapper/311:18:533
2109799423cyclictest0-21swapper/311:18:533
2109799423cyclictest0-21swapper/311:18:533
2109799423cyclictest0-21swapper/311:01:403
2109799423cyclictest0-21swapper/311:01:403
2109799423cyclictest0-21swapper/311:01:403
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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