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2025-11-20 - 00:37
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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 Wed Nov 19, 2025 12:54:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71720rcu_preempt0-21swapper/210:14:112
71720rcu_preempt0-21swapper/210:14:112
71660rcu_preempt0-21swapper/213:01:402
71660rcu_preempt0-21swapper/213:01:402
71660rcu_preempt0-21swapper/213:01:402
71650rcu_preempt0-21swapper/209:59:262
71650rcu_preempt0-21swapper/209:59:262
2845799451cyclictest32627-21/usr/sbin/munin11:58:022
2845799451cyclictest32627-21/usr/sbin/munin11:58:022
99650430irq/38-i2c-mpc4806-21/usr/sbin/munin08:12:540
99650430irq/38-i2c-mpc4806-21/usr/sbin/munin08:12:540
71430rcu_preempt0-21swapper/210:38:002
71430rcu_preempt0-21swapper/210:38:002
71430rcu_preempt0-21swapper/210:38:002
2845799423cyclictest0-21swapper/210:45:422
2845799423cyclictest0-21swapper/210:45:422
2845799422cyclictest8626-21runrttasks11:01:382
2845799422cyclictest8626-21runrttasks11:01:382
2845799422cyclictest32547-21/usr/sbin/munin10:53:002
2845799422cyclictest32547-21/usr/sbin/munin10:53:002
2845799422cyclictest20745-21memory11:32:582
2845799422cyclictest20745-21memory11:32:582
2845799422cyclictest20745-21memory11:32:582
2845799421cyclictest31360-21ssh11:54:012
2845799421cyclictest31360-21ssh11:54:012
2845799421cyclictest0-21swapper/212:07:452
2845799421cyclictest0-21swapper/212:07:452
100550420irq/38-i2c-mpc241ksoftirqd/210:03:182
100550420irq/38-i2c-mpc241ksoftirqd/210:03:182
71410rcu_preempt0-21swapper/111:13:341
71410rcu_preempt0-21swapper/111:13:341
71410rcu_preempt0-21swapper/010:44:070
71410rcu_preempt0-21swapper/010:44:070
2845799414cyclictest0-21swapper/211:32:312
2845799414cyclictest0-21swapper/211:32:312
2845799414cyclictest0-21swapper/211:32:312
2845799414cyclictest0-21swapper/211:13:422
2845799414cyclictest0-21swapper/211:13:422
2845799414cyclictest0-21swapper/210:48:032
2845799414cyclictest0-21swapper/210:48:032
2845799414cyclictest0-21swapper/209:07:542
2845799414cyclictest0-21swapper/209:07:542
2845799414cyclictest0-21swapper/208:17:562
2845799414cyclictest0-21swapper/208:17:562
2845799413cyclictest17321-21apt-get08:57:452
2845799413cyclictest17321-21apt-get08:57:452
2845799413cyclictest0-21swapper/213:07:592
2845799413cyclictest0-21swapper/213:07:592
2845799413cyclictest0-21swapper/213:07:592
2845799412cyclictest8626-21runrttasks12:17:502
2845799412cyclictest8626-21runrttasks12:17:502
2845799412cyclictest8626-21runrttasks08:43:112
2845799412cyclictest8626-21runrttasks08:43:112
2845799412cyclictest0-21swapper/213:03:172
2845799412cyclictest0-21swapper/213:03:172
2845799412cyclictest0-21swapper/212:42:322
2845799412cyclictest0-21swapper/212:42:322
2845799404cyclictest0-21swapper/209:45:122
2845799404cyclictest0-21swapper/209:45:122
2845799404cyclictest0-21swapper/209:27:592
2845799404cyclictest0-21swapper/209:27:592
2845799403cyclictest0-21swapper/210:22:552
2845799403cyclictest0-21swapper/210:22:552
2845799403cyclictest0-21swapper/210:19:122
2845799403cyclictest0-21swapper/210:19:122
2845799402cyclictest8845-21apt-get08:27:572
2845799402cyclictest8845-21apt-get08:27:572
2845799402cyclictest8845-21apt-get08:27:572
2845799402cyclictest8626-21runrttasks08:02:502
2845799402cyclictest8626-21runrttasks08:02:502
2845799402cyclictest25059-21/usr/sbin/munin12:47:572
2845799402cyclictest25059-21/usr/sbin/munin12:47:572
2845799402cyclictest24962-21munin-run10:37:322
2845799402cyclictest24962-21munin-run10:37:322
2845799402cyclictest23704-21grep11:38:052
2845799402cyclictest23704-21grep11:38:052
2845799402cyclictest23023-21ntp_states12:43:002
2845799402cyclictest23023-21ntp_states12:43:002
2845799402cyclictest23023-21ntp_states12:43:002
2845799402cyclictest1363-21ntp_states09:48:002
2845799402cyclictest1363-21ntp_states09:48:002
2845799401cyclictest6072-1kworker/2:1H12:12:592
2845799401cyclictest6072-1kworker/2:1H12:12:592
2845799401cyclictest28470-21apt-get09:37:442
2845799401cyclictest28470-21apt-get09:37:442
2845799401cyclictest0-21swapper/212:27:502
2845799401cyclictest0-21swapper/212:27:502
71390rcu_preempt4876-21apt-get11:02:542
71390rcu_preempt4876-21apt-get11:02:542
71390rcu_preempt4876-21apt-get11:02:542
71390rcu_preempt11544-21taskset08:36:380
71390rcu_preempt11544-21taskset08:36:380
71390rcu_preempt11544-21taskset08:36:380
71390rcu_preempt0-21swapper/309:58:103
71390rcu_preempt0-21swapper/309:58:103
71390rcu_preempt0-21swapper/111:07:441
71390rcu_preempt0-21swapper/111:07:441
71390rcu_preempt0-21swapper/110:17:361
71390rcu_preempt0-21swapper/110:17:361
46050390irq/122-QManpo8626-2109:24:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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