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2025-12-31 - 22:05
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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 rackcslot3.osadl.org (updated Wed Dec 31, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811040rcu_preempt19-21ksoftirqd/110:57:391
89850850irq/17-ehci_hcd19-21ksoftirqd/110:34:201
81740rcu_preempt29183-21/usr/sbin/munin10:41:110
81710rcu_preempt8945-21diskmemload09:50:060
81710rcu_preempt0-21swapper/009:05:480
81690rcu_preempt0-21swapper/009:01:110
81680rcu_preempt8945-21diskmemload10:08:090
81680rcu_preempt0-21swapper/110:04:301
81680rcu_preempt0-21swapper/109:15:091
81680rcu_preempt0-21swapper/012:06:110
81670rcu_preempt0-21swapper/011:14:110
81670rcu_preempt0-21swapper/010:47:030
81670rcu_preempt0-21swapper/009:37:410
81670rcu_preempt0-21swapper/009:30:530
89850660irq/17-ehci_hcd0-21swapper/111:04:561
81660rcu_preempt4871-21ssh09:57:171
81660rcu_preempt2371-21diskmemload10:50:590
81660rcu_preempt0-21swapper/012:19:190
81660rcu_preempt0-21swapper/011:09:500
81660rcu_preempt0-21swapper/007:14:430
81650rcu_preempt18513-21if_can109:26:060
81650rcu_preempt0-21swapper/011:47:450
81650rcu_preempt0-21swapper/011:15:510
81650rcu_preempt0-21swapper/010:37:170
81650rcu_preempt0-21swapper/010:29:300
81650rcu_preempt0-21swapper/009:12:490
81630rcu_preempt9453-21ssh12:00:291
81630rcu_preempt8163-21kworker/1:007:06:081
81630rcu_preempt12262-21ssh12:05:110
81630rcu_preempt0-21swapper/111:13:221
81630rcu_preempt0-21swapper/110:14:151
81630rcu_preempt0-21swapper/011:43:370
81630rcu_preempt0-21swapper/007:09:260
81620rcu_preempt23504-21ssh10:30:500
81620rcu_preempt21497-21ssh11:23:380
81620rcu_preempt18074-21munin-run12:15:470
81620rcu_preempt0-21swapper/111:31:091
81620rcu_preempt0-21swapper/012:30:590
81610rcu_preempt24363-21ssh11:28:440
81610rcu_preempt19375-21ssh10:22:330
81610rcu_preempt0-21swapper/112:01:511
81610rcu_preempt0-21swapper/111:50:131
81610rcu_preempt0-21swapper/111:06:591
81610rcu_preempt0-21swapper/109:39:311
81610rcu_preempt0-21swapper/109:30:581
81610rcu_preempt0-21swapper/010:16:070
81610rcu_preempt0-21swapper/010:12:110
81610rcu_preempt0-21swapper/007:20:480
81600rcu_preempt5251-1kworker/1:1H10:50:271
81600rcu_preempt4979-21ssh10:55:281
81600rcu_preempt23646-21munin-run08:00:470
81600rcu_preempt0-21swapper/112:13:331
81600rcu_preempt0-21swapper/107:26:041
81600rcu_preempt0-21swapper/010:01:560
81590rcu_preempt30426-21ssh12:36:120
81590rcu_preempt30426-21ssh12:36:120
81590rcu_preempt1811-21ssh09:51:300
81590rcu_preempt0-21swapper/112:26:091
81590rcu_preempt0-21swapper/112:16:031
81590rcu_preempt0-21swapper/110:16:101
81590rcu_preempt0-21swapper/109:41:301
81590rcu_preempt0-21swapper/012:23:070
81590rcu_preempt0-21swapper/011:59:580
81590rcu_preempt0-21swapper/009:42:590
89450580irq/17-ehci_hcd13079-21ntpdc07:16:070
81580rcu_preempt5577-21ssh11:51:460
81580rcu_preempt10147-21ssh11:03:450
81580rcu_preempt0-21swapper/112:31:051
81580rcu_preempt0-21swapper/111:36:311
81580rcu_preempt0-21swapper/111:26:231
81580rcu_preempt0-21swapper/109:46:041
81580rcu_preempt0-21swapper/109:22:181
81580rcu_preempt0-21swapper/011:36:120
81580rcu_preempt0-21swapper/009:58:540
81580rcu_preempt0-21swapper/008:51:170
81580rcu_preempt0-21swapper/008:39:280
81580rcu_preempt0-21swapper/008:31:160
81580rcu_preempt0-21swapper/008:11:050
81580rcu_preempt0-21swapper/008:01:120
81570rcu_preempt5463-21ssh11:51:261
81570rcu_preempt30807-21ssh10:42:381
81570rcu_preempt19234-21ssh10:22:061
81570rcu_preempt14379-21ssh09:18:501
81570rcu_preempt0-21swapper/112:23:391
81570rcu_preempt0-21swapper/110:06:121
81570rcu_preempt0-21swapper/109:28:361
81570rcu_preempt0-21swapper/108:31:111
81570rcu_preempt0-21swapper/108:21:111
81570rcu_preempt0-21swapper/107:46:031
81570rcu_preempt0-21swapper/011:31:070
81570rcu_preempt0-21swapper/009:18:370
81570rcu_preempt0-21swapper/008:57:080
81570rcu_preempt0-21swapper/008:41:150
81570rcu_preempt0-21swapper/008:09:390
81570rcu_preempt0-21swapper/007:41:560
81560rcu_preempt31261-21ssh12:37:321
81560rcu_preempt31261-21ssh12:37:321
81560rcu_preempt27783-21ssh10:37:111
81560rcu_preempt2138-21snmpd11:25:341
81560rcu_preempt14955-21ssh12:09:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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