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2025-06-17 - 01:31
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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 50 highest latencies:
System rackcslot3.osadl.org (updated Mon Jun 16, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81850rcu_preempt0-21swapper/109:29:171
81800rcu_preempt32554-21sh10:45:041
81790rcu_preempt18584-21ssh10:20:091
81790rcu_preempt18335-21ssh12:14:191
81790rcu_preempt0-21swapper/109:49:161
81770rcu_preempt19164-21ssh09:25:361
81760rcu_preempt9935-21ssh11:59:221
81760rcu_preempt4869-21munin-run11:50:491
81750rcu_preempt0-21swapper/107:25:491
81740rcu_preempt26517-21ssh09:36:431
89050730irq/17-ehci_hcd28689-21ssh12:32:240
81730rcu_preempt22565-21open_files10:26:151
81730rcu_preempt20830-21if_can111:21:091
81730rcu_preempt13249-21diskmemload12:04:231
81720rcu_preempt13249-21diskmemload11:55:441
81710rcu_preempt0-21swapper/112:36:191
81710rcu_preempt0-21swapper/110:36:061
81710rcu_preempt0-21swapper/108:06:241
81710rcu_preempt0-21swapper/012:26:090
89850700irq/17-ehci_hcd171rcuc/112:41:231
81700rcu_preempt19-21ksoftirqd/110:10:471
81700rcu_preempt0-21swapper/109:51:151
81700rcu_preempt0-21swapper/107:26:161
89850690irq/17-ehci_hcd945-21usb-storage07:13:331
81690rcu_preempt1260-21sh11:43:281
81690rcu_preempt0-21swapper/110:46:141
81690rcu_preempt0-21swapper/110:13:431
81690rcu_preempt0-21swapper/109:58:461
81690rcu_preempt0-21swapper/108:21:141
81680rcu_preempt19-21ksoftirqd/109:16:461
81680rcu_preempt0-21swapper/112:09:191
81680rcu_preempt0-21swapper/110:34:451
81670rcu_preempt24201-21munin-run07:50:481
81670rcu_preempt22937-21munin-run07:45:481
81670rcu_preempt0-21swapper/108:41:141
89850660irq/17-ehci_hcd17780-1kworker/0:0H09:25:150
81660rcu_preempt19254-21df_abs12:16:081
81660rcu_preempt19-21ksoftirqd/111:06:501
81660rcu_preempt0-21swapper/111:35:541
81660rcu_preempt0-21swapper/111:05:101
81660rcu_preempt0-21swapper/109:11:131
81660rcu_preempt0-21swapper/108:38:051
81660rcu_preempt0-21swapper/008:37:210
81650rcu_preempt27558-21if_can012:31:101
81650rcu_preempt0-21swapper/111:11:091
81650rcu_preempt0-21swapper/010:42:380
81640rcu_preempt0-21swapper/110:21:041
81630rcu_preempt1183-21iwlist08:26:091
81630rcu_preempt0-21swapper/111:29:021
89450620irq/17-ehci_hcd2196-21ssh12:43:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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