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2026-06-16 - 21:17
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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 highest latencies:
System rackcslot3.osadl.org (updated Tue Jun 16, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81870rcu_preempt3-21ksoftirqd/011:03:110
89950760irq/17-ehci_hcd0-21swapper/111:14:521
81740rcu_preempt0-21swapper/007:09:180
81690rcu_preempt0-21swapper/110:55:441
81690rcu_preempt0-21swapper/107:09:161
81680rcu_preempt0-21swapper/109:19:321
81670rcu_preempt0-21swapper/110:30:131
81670rcu_preempt0-21swapper/108:44:201
81670rcu_preempt0-21swapper/107:54:261
81660rcu_preempt18004-21ssh12:32:281
81660rcu_preempt0-21swapper/111:54:431
81660rcu_preempt0-21swapper/111:42:211
81660rcu_preempt0-21swapper/111:36:051
81660rcu_preempt0-21swapper/109:36:171
81660rcu_preempt0-21swapper/109:09:271
89950650irq/17-ehci_hcd945-21usb-storage10:13:281
81650rcu_preempt0-21swapper/112:34:331
81650rcu_preempt0-21swapper/112:26:341
81650rcu_preempt0-21swapper/111:59:591
81650rcu_preempt0-21swapper/111:09:191
81650rcu_preempt0-21swapper/110:04:271
81650rcu_preempt0-21swapper/108:14:161
81640rcu_preempt0-21swapper/112:10:261
81640rcu_preempt0-21swapper/111:26:271
81640rcu_preempt0-21swapper/111:19:281
81640rcu_preempt0-21swapper/110:46:521
81640rcu_preempt0-21swapper/108:24:231
81630rcu_preempt4315-21ssh10:04:460
81630rcu_preempt26527-21ssh11:48:081
81630rcu_preempt0-21swapper/112:42:131
81630rcu_preempt0-21swapper/012:12:130
81620rcu_preempt16262-21ssh10:28:231
81620rcu_preempt0-21swapper/109:48:111
81620rcu_preempt0-21swapper/108:29:161
81620rcu_preempt0-21swapper/011:19:260
81620rcu_preempt0-21swapper/010:13:380
81610rcu_preempt5365-21sshd09:01:311
81610rcu_preempt4878-21ssh12:08:131
81610rcu_preempt29096-21ssh11:52:571
81610rcu_preempt24059-21ssh10:42:441
81610rcu_preempt1689-21ssh10:00:071
81610rcu_preempt0-21swapper/109:41:151
81610rcu_preempt0-21swapper/109:29:221
81610rcu_preempt0-21swapper/108:34:301
81610rcu_preempt0-21swapper/108:04:261
81610rcu_preempt0-21swapper/107:59:021
81610rcu_preempt0-21swapper/012:34:370
81610rcu_preempt0-21swapper/010:29:490
81610rcu_preempt0-21swapper/010:00:420
81610rcu_preempt0-21swapper/009:34:180
81610rcu_preempt0-21swapper/009:29:370
81600rcu_preempt29282-21ssh09:51:491
81600rcu_preempt28849-21ssh10:51:051
81600rcu_preempt2326-21ssh11:02:361
81600rcu_preempt17931-21ssh11:31:051
81600rcu_preempt10398-21ssh12:18:461
81600rcu_preempt0-21swapper/109:26:051
81600rcu_preempt0-21swapper/108:09:281
81600rcu_preempt0-21swapper/012:26:020
81600rcu_preempt0-21swapper/011:15:500
81590rcu_preempt9827-21ssh09:16:111
81590rcu_preempt8661-21ssh12:14:250
81590rcu_preempt21147-21ssh10:37:061
81590rcu_preempt12703-21ssh10:20:411
81590rcu_preempt10358-21ssh10:16:491
81590rcu_preempt0-21swapper/109:56:091
81590rcu_preempt0-21swapper/107:39:301
81590rcu_preempt0-21swapper/011:31:060
81580rcu_preempt3178-21ssh11:04:171
81580rcu_preempt12749-21ssh12:22:401
81580rcu_preempt0-21swapper/109:08:521
81580rcu_preempt0-21swapper/012:29:210
81580rcu_preempt0-21swapper/012:21:090
81580rcu_preempt0-21swapper/011:49:260
81580rcu_preempt0-21swapper/011:42:000
81580rcu_preempt0-21swapper/010:27:310
81570rcu_preempt0-21swapper/107:24:341
81570rcu_preempt0-21swapper/010:56:430
81570rcu_preempt0-21swapper/010:49:010
81570rcu_preempt0-21swapper/010:35:030
81570rcu_preempt0-21swapper/009:57:020
81570rcu_preempt0-21swapper/009:48:300
81570rcu_preempt0-21swapper/009:22:270
81560rcu_preempt31714-21expr08:39:161
81560rcu_preempt15341-21df_abs07:34:161
81560rcu_preempt0-21swapper/108:49:281
81560rcu_preempt0-21swapper/107:44:201
81560rcu_preempt0-21swapper/009:49:040
81560rcu_preempt0-21swapper/009:42:540
81560rcu_preempt0-21swapper/007:50:190
81560rcu_preempt0-21swapper/007:44:200
81560rcu_preempt0-21swapper/007:39:260
81560rcu_preempt0-21swapper/007:27:200
81560rcu_preempt0-21swapper/007:18:160
89550550irq/17-ehci_hcd111rcuc/011:44:160
81550rcu_preempt10218-21df07:14:161
81550rcu_preempt0-21swapper/012:39:320
81550rcu_preempt0-21swapper/012:04:190
81550rcu_preempt0-21swapper/011:54:200
81550rcu_preempt0-21swapper/010:50:150
81550rcu_preempt0-21swapper/010:18:210
81550rcu_preempt0-21swapper/008:24:020
81550rcu_preempt0-21swapper/008:08:190
81540rcu_preempt0-21swapper/011:10:360
81540rcu_preempt0-21swapper/011:04:190
81540rcu_preempt0-21swapper/010:40:110
81540rcu_preempt0-21swapper/009:15:040
81540rcu_preempt0-21swapper/008:54:280
81540rcu_preempt0-21swapper/008:49:390
81540rcu_preempt0-21swapper/008:46:120
81540rcu_preempt0-21swapper/008:27:290
81540rcu_preempt0-21swapper/008:14:130
81540rcu_preempt0-21swapper/008:10:430
81540rcu_preempt0-21swapper/007:54:440
9949995348cyclictest945-21usb-storage11:36:370
81530rcu_preempt12871-21ssh10:21:120
81530rcu_preempt12419-21users07:19:271
81530rcu_preempt0-21swapper/012:00:190
81530rcu_preempt0-21swapper/011:24:250
81530rcu_preempt0-21swapper/009:10:270
81530rcu_preempt0-21swapper/008:39:550
81530rcu_preempt0-21swapper/007:33:540
81520rcu_preempt26779-21df_inode08:19:171
81520rcu_preempt19063-21df07:49:151
81520rcu_preempt0-21swapper/008:34:590
9953995148cyclictest945-21usb-storage08:54:321
9949995147cyclictest945-21usb-storage09:28:430
81510rcu_preempt14019-21df07:29:171
81510rcu_preempt0-21swapper/009:05:400
81510rcu_preempt0-21swapper/008:31:310
81510rcu_preempt0-21swapper/007:21:140
81500rcu_preempt0-21swapper/009:01:150
81490rcu_preempt0-21swapper/007:59:230
81490rcu_preempt0-21swapper/007:35:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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