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2026-06-21 - 21:23
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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 Sun Jun 21, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89950720irq/17-ehci_hcd945-21usb-storage09:44:531
81720rcu_preempt25008-21ssh12:01:590
81720rcu_preempt0-21swapper/010:36:420
81720rcu_preempt0-21swapper/008:49:280
81710rcu_preempt17400-21ssh09:46:300
81710rcu_preempt0-21swapper/010:24:490
81690rcu_preempt9596-21diskmemload10:33:070
81690rcu_preempt12596-1kworker/0:1H09:14:000
81690rcu_preempt0-21swapper/009:55:260
81680rcu_preempt32441-21cpuspeed_turbos07:09:400
81680rcu_preempt0-21swapper/012:43:160
81670rcu_preempt6248-21latency_hist07:34:280
81670rcu_preempt1599migration/009:38:230
81670rcu_preempt0-21swapper/011:14:450
81660rcu_preempt4090-21sh10:22:210
81660rcu_preempt0-21swapper/107:10:191
81660rcu_preempt0-21swapper/011:24:430
81660rcu_preempt0-21swapper/010:58:360
81650rcu_preempt19-21ksoftirqd/112:12:401
81650rcu_preempt15969-21ssh11:44:480
81640rcu_preempt29347-21sh10:09:430
81640rcu_preempt0-21swapper/012:14:390
81640rcu_preempt0-21swapper/010:49:550
81620rcu_preempt9593-21df_abs12:34:430
81620rcu_preempt0-21swapper/011:19:410
81620rcu_preempt0-21swapper/010:14:400
81620rcu_preempt0-21swapper/009:24:380
81610rcu_preempt0-21swapper/110:57:081
81610rcu_preempt0-21swapper/012:27:390
81610rcu_preempt0-21swapper/012:11:420
81610rcu_preempt0-21swapper/008:29:440
89950600irq/17-ehci_hcd0-21swapper/110:03:231
81600rcu_preempt8004-21ssh10:29:451
81600rcu_preempt6135-21ssh11:26:231
81600rcu_preempt18145-21ssh11:49:441
81600rcu_preempt0-21swapper/111:14:141
81600rcu_preempt0-21swapper/110:21:421
81600rcu_preempt0-21swapper/110:13:321
81600rcu_preempt0-21swapper/109:44:001
81600rcu_preempt0-21swapper/109:31:431
81600rcu_preempt0-21swapper/107:19:551
81600rcu_preempt0-21swapper/012:04:470
81600rcu_preempt0-21swapper/011:49:410
81600rcu_preempt0-21swapper/011:13:260
81600rcu_preempt0-21swapper/009:44:170
81600rcu_preempt0-21swapper/009:33:220
81590rcu_preempt8816-21ssh12:33:151
81590rcu_preempt633-21ssh09:15:421
81590rcu_preempt6213-21ssh12:28:401
81590rcu_preempt3785-21ssh09:21:171
81590rcu_preempt24891-21ssh11:00:261
81590rcu_preempt23114-21ssh09:57:061
81590rcu_preempt20511-21ssh10:53:531
81590rcu_preempt19-21ksoftirqd/107:29:491
81590rcu_preempt17481-21ssh11:48:581
81590rcu_preempt10978-21ssh11:34:581
81590rcu_preempt0-21swapper/111:55:261
81590rcu_preempt0-21swapper/111:30:371
81590rcu_preempt0-21swapper/111:20:551
81590rcu_preempt0-21swapper/110:44:461
81590rcu_preempt0-21swapper/110:41:571
81590rcu_preempt0-21swapper/110:35:111
81590rcu_preempt0-21swapper/110:24:441
81590rcu_preempt0-21swapper/110:17:111
81590rcu_preempt0-21swapper/109:35:231
81590rcu_preempt0-21swapper/109:26:121
81590rcu_preempt0-21swapper/109:09:471
81590rcu_preempt0-21swapper/107:29:221
81580rcu_preempt27796-21ssh10:05:030
81580rcu_preempt24355-21ntpq10:59:500
81580rcu_preempt23329-21memory08:39:490
81580rcu_preempt2192-21snmpd12:29:430
81580rcu_preempt10381-21ssh11:34:460
81580rcu_preempt0-21swapper/112:39:521
81580rcu_preempt0-21swapper/112:06:511
81580rcu_preempt0-21swapper/112:02:351
81580rcu_preempt0-21swapper/108:43:461
81580rcu_preempt0-21swapper/107:59:231
81580rcu_preempt0-21swapper/012:19:540
81580rcu_preempt0-21swapper/011:57:510
81580rcu_preempt0-21swapper/011:40:120
81580rcu_preempt0-21swapper/011:34:250
81580rcu_preempt0-21swapper/010:44:550
81580rcu_preempt0-21swapper/010:41:010
81580rcu_preempt0-21swapper/010:03:260
81580rcu_preempt0-21swapper/007:54:470
81570rcu_preempt4769-21ssh09:24:250
81570rcu_preempt28032-21ssh10:05:501
81570rcu_preempt0-21swapper/112:17:101
81570rcu_preempt0-21swapper/111:17:061
81570rcu_preempt0-21swapper/109:49:561
81570rcu_preempt0-21swapper/108:55:031
81570rcu_preempt0-21swapper/108:15:491
81570rcu_preempt0-21swapper/108:09:421
81570rcu_preempt0-21swapper/107:49:501
1059995748cyclictest945-21usb-storage07:43:381
81560rcu_preempt0-21swapper/108:46:421
81560rcu_preempt0-21swapper/108:24:451
81560rcu_preempt0-21swapper/011:05:220
81560rcu_preempt0-21swapper/009:14:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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