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2025-11-21 - 20:57
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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 792 highest latencies:
System rackcslot3.osadl.org (updated Fri Nov 21, 2025 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81880rcu_preempt0-21swapper/107:05:111
81690rcu_preempt0-21swapper/009:26:050
81670rcu_preempt6901-21sh12:06:050
81670rcu_preempt12301-21ssh09:22:260
81670rcu_preempt0-21swapper/009:58:460
81670rcu_preempt0-21swapper/009:32:190
90050660irq/17-ehci_hcd946-21usb-storage07:29:031
81660rcu_preempt0-21swapper/111:34:101
81660rcu_preempt0-21swapper/011:35:140
90050650irq/17-ehci_hcd0-21swapper/110:20:091
81650rcu_preempt0-21swapper/011:20:270
81640rcu_preempt0-21swapper/111:57:591
81640rcu_preempt0-21swapper/111:28:381
81640rcu_preempt0-21swapper/110:48:561
81640rcu_preempt0-21swapper/107:22:381
81630rcu_preempt8236-21ssh12:10:050
81630rcu_preempt4235-21ssh12:01:091
81630rcu_preempt18439-21kworker/0:207:05:150
81630rcu_preempt0-21swapper/112:26:361
81630rcu_preempt0-21swapper/111:18:241
81630rcu_preempt0-21swapper/110:26:371
81630rcu_preempt0-21swapper/109:41:041
81630rcu_preempt0-21swapper/109:20:131
81630rcu_preempt0-21swapper/108:05:091
81630rcu_preempt0-21swapper/012:00:490
81630rcu_preempt0-21swapper/010:58:540
81620rcu_preempt8829-21sh07:24:480
81620rcu_preempt32379-21ssh11:54:441
81620rcu_preempt23138-21munin-run10:39:530
81620rcu_preempt0-21swapper/111:05:161
81620rcu_preempt0-21swapper/109:19:371
81620rcu_preempt0-21swapper/108:20:271
81620rcu_preempt0-21swapper/008:25:080
81620rcu_preempt0-21swapper/008:15:060
81610rcu_preempt29271-21ssh09:52:271
81610rcu_preempt28289-21ssh11:45:251
81610rcu_preempt24098-21ntp_kernel_pll_10:40:170
81610rcu_preempt20578-21sh12:31:530
81610rcu_preempt20302-21ssh09:36:001
81610rcu_preempt19358-21memory11:30:120
81610rcu_preempt18167-21ssh09:33:161
81610rcu_preempt10598-21ssh12:14:321
81610rcu_preempt0-21swapper/107:30:171
81610rcu_preempt0-21swapper/107:30:171
81610rcu_preempt0-21swapper/008:34:530
81610rcu_preempt0-21swapper/007:25:090
81600rcu_preempt23439-21ssh12:37:520
81600rcu_preempt15388-21ssh12:22:331
81600rcu_preempt1035-21ssh10:57:301
81600rcu_preempt0-21swapper/111:38:271
81600rcu_preempt0-21swapper/109:26:441
81600rcu_preempt0-21swapper/108:29:571
81600rcu_preempt0-21swapper/107:15:161
81600rcu_preempt0-21swapper/011:49:400
81600rcu_preempt0-21swapper/010:31:550
81600rcu_preempt0-21swapper/007:15:140
81590rcu_preempt7938-21ssh12:09:351
81590rcu_preempt5415-21ssh10:07:231
81590rcu_preempt22529-21ssh10:37:481
81590rcu_preempt22063-21ssh12:35:101
81590rcu_preempt12541-21ssh12:17:141
81590rcu_preempt0-21swapper/111:42:471
81590rcu_preempt0-21swapper/111:22:191
81590rcu_preempt0-21swapper/110:11:481
81590rcu_preempt0-21swapper/109:49:361
81590rcu_preempt0-21swapper/109:13:541
81590rcu_preempt0-21swapper/108:00:141
81590rcu_preempt0-21swapper/011:41:320
81590rcu_preempt0-21swapper/009:43:210
81590rcu_preempt0-21swapper/009:15:180
81590rcu_preempt0-21swapper/008:55:080
81580rcu_preempt31918-21ssh09:56:301
81580rcu_preempt29238-21ssh10:50:121
81580rcu_preempt2134-21ssh10:00:411
81580rcu_preempt0-21swapper/112:31:491
81580rcu_preempt0-21swapper/111:04:011
81580rcu_preempt0-21swapper/110:40:031
81580rcu_preempt0-21swapper/110:18:481
81580rcu_preempt0-21swapper/107:50:311
81580rcu_preempt0-21swapper/107:35:111
81580rcu_preempt0-21swapper/107:12:251
81580rcu_preempt0-21swapper/010:00:120
81570rcu_preempt5956-21ssh11:05:330
81570rcu_preempt15609-21ssh12:23:160
81570rcu_preempt0-21swapper/111:11:201
81570rcu_preempt0-21swapper/110:34:251
81570rcu_preempt0-21swapper/109:05:201
81570rcu_preempt0-21swapper/107:45:231
81570rcu_preempt0-21swapper/012:16:500
81570rcu_preempt0-21swapper/011:56:480
81570rcu_preempt0-21swapper/011:50:310
81570rcu_preempt0-21swapper/011:15:320
81570rcu_preempt0-21swapper/011:00:160
81570rcu_preempt0-21swapper/010:28:160
81570rcu_preempt0-21swapper/010:07:250
81560rcu_preempt30057-21ssh09:54:430
81560rcu_preempt0-21swapper/108:50:231
81560rcu_preempt0-21swapper/108:35:101
81560rcu_preempt0-21swapper/012:27:260
81560rcu_preempt0-21swapper/010:54:110
81560rcu_preempt0-21swapper/007:55:170
81550rcu_preempt27271-21ssh10:45:340
81550rcu_preempt20478-21ssh09:36:330
81550rcu_preempt18022-21ssh11:28:170
81550rcu_preempt0-21swapper/108:46:271
81550rcu_preempt0-21swapper/108:40:351
81550rcu_preempt0-21swapper/108:10:041
81550rcu_preempt0-21swapper/011:13:460
81550rcu_preempt0-21swapper/010:14:250
81540rcu_preempt5947-21ssh09:11:070
81540rcu_preempt28212-21df_inode08:35:080
81540rcu_preempt26535-21users08:25:181
81540rcu_preempt25526-21gzip09:45:160
81540rcu_preempt0-21swapper/107:55:071
81540rcu_preempt0-21swapper/010:15:280
81540rcu_preempt0-21swapper/008:46:030
81540rcu_preempt0-21swapper/008:40:490
81530rcu_preempt0-21swapper/010:20:280
81530rcu_preempt0-21swapper/007:50:120
81520rcu_preempt0-21swapper/108:15:361
81510rcu_preempt0-21swapper/007:32:580
81510rcu_preempt0-21swapper/007:32:580
81510rcu_preempt0-21swapper/007:10:150
6325995147cyclictest946-21usb-storage08:55:141
81490rcu_preempt2162-21diskstats09:00:071
6325994946cyclictest946-21usb-storage07:40:121
81480rcu_preempt0-21swapper/007:37:060
6324994643cyclictest946-21usb-storage09:05:220
6324994643cyclictest946-21usb-storage08:50:190
81450rcu_preempt22381-21ntp_states08:10:130
6324994542cyclictest946-21usb-storage08:20:070
81410rcu_preempt19412-21fw_forwarded_lo08:00:100
6324994038cyclictest946-21usb-storage07:48:260
632499391cyclictest0-21swapper/008:07:380
90050380irq/17-ehci_hcd0-21swapper/008:59:540
6324993735cyclictest946-21usb-storage07:40:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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