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2025-12-09 - 21:47
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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 all highest latencies:
System rackcslot3.osadl.org (updated Tue Dec 09, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81760rcu_preempt0-21swapper/010:09:590
81710rcu_preempt27510-21sh09:26:450
81700rcu_preempt24575-21sh10:19:361
81690rcu_preempt0-21swapper/009:09:560
81680rcu_preempt2044-21sh10:35:430
81680rcu_preempt0-21swapper/011:32:300
90050670irq/17-ehci_hcd946-21usb-storage12:23:021
81670rcu_preempt0-21swapper/012:39:260
81660rcu_preempt7093-21ssh11:44:410
81660rcu_preempt0-21swapper/010:08:030
81650rcu_preempt29492-21sh10:27:431
81650rcu_preempt0-21swapper/112:19:361
81650rcu_preempt0-21swapper/112:10:261
81650rcu_preempt0-21swapper/112:02:391
81650rcu_preempt0-21swapper/111:40:001
81650rcu_preempt0-21swapper/109:32:531
81650rcu_preempt0-21swapper/109:17:311
81640rcu_preempt0-21swapper/112:36:141
81640rcu_preempt0-21swapper/111:13:081
81640rcu_preempt0-21swapper/110:57:061
81640rcu_preempt0-21swapper/110:19:571
81640rcu_preempt0-21swapper/109:25:471
81640rcu_preempt0-21swapper/012:13:110
81630rcu_preempt15564-21ps11:00:060
81630rcu_preempt0-21swapper/111:22:391
81630rcu_preempt0-21swapper/110:07:171
81630rcu_preempt0-21swapper/107:40:011
81630rcu_preempt0-21swapper/107:29:571
81620rcu_preempt1747-21ssh11:34:411
81620rcu_preempt12866-21rt-features08:50:051
81620rcu_preempt0-21swapper/111:24:571
81620rcu_preempt0-21swapper/111:05:021
81620rcu_preempt0-21swapper/109:54:041
81620rcu_preempt0-21swapper/108:25:021
81620rcu_preempt0-21swapper/010:48:060
81610rcu_preempt472-21sort10:34:411
81610rcu_preempt2527-21ssh12:34:191
81610rcu_preempt0-21swapper/110:52:451
81610rcu_preempt0-21swapper/110:13:111
81610rcu_preempt0-21swapper/109:36:201
81610rcu_preempt0-21swapper/108:21:101
81610rcu_preempt0-21swapper/009:30:040
90050600irq/17-ehci_hcd946-21usb-storage08:06:580
81600rcu_preempt0-21swapper/109:55:051
81590rcu_preempt9693-21ssh11:49:041
81590rcu_preempt32063-21kworker/0:007:05:010
81590rcu_preempt31163-21munin-run11:29:410
81590rcu_preempt18887-21ssh09:11:461
81590rcu_preempt14321-21ssh11:55:441
81590rcu_preempt0-21swapper/112:28:151
81590rcu_preempt0-21swapper/111:34:061
81590rcu_preempt0-21swapper/111:19:191
81590rcu_preempt0-21swapper/109:45:181
81590rcu_preempt0-21swapper/109:04:541
81590rcu_preempt0-21swapper/107:35:041
81590rcu_preempt0-21swapper/011:17:110
81590rcu_preempt0-21swapper/010:41:540
81590rcu_preempt0-21swapper/010:16:110
81580rcu_preempt7809-21ssh10:46:321
81580rcu_preempt24257-21ssh09:20:161
81580rcu_preempt16321-21ssh11:01:371
81580rcu_preempt14657-21ssh10:00:191
81580rcu_preempt10283-21sed11:49:571
81580rcu_preempt0-21swapper/109:41:411
81580rcu_preempt0-21swapper/108:39:561
81580rcu_preempt0-21swapper/107:19:591
81580rcu_preempt0-21swapper/107:05:201
81580rcu_preempt0-21swapper/011:04:560
81580rcu_preempt0-21swapper/009:39:550
81570rcu_preempt24836-21ssh09:22:000
81570rcu_preempt21689-21ssh11:11:140
81570rcu_preempt20784-21ssh12:08:590
81570rcu_preempt20236-21ssh12:07:171
81570rcu_preempt16961-21diskmemload10:32:070
81570rcu_preempt11680-21grep09:55:070
81570rcu_preempt0-21swapper/110:40:001
81570rcu_preempt0-21swapper/108:45:031
81570rcu_preempt0-21swapper/108:05:271
81570rcu_preempt0-21swapper/107:57:431
81570rcu_preempt0-21swapper/012:33:300
81570rcu_preempt0-21swapper/011:20:250
81570rcu_preempt0-21swapper/010:52:280
81570rcu_preempt0-21swapper/010:20:410
81570rcu_preempt0-21swapper/009:46:010
81570rcu_preempt0-21swapper/009:38:540
81570rcu_preempt0-21swapper/007:27:020
81560rcu_preempt5554-21munin-run08:24:410
81560rcu_preempt26422-21timerandwakeup07:35:070
81560rcu_preempt25301-21ssh12:15:220
81560rcu_preempt0-21swapper/108:59:141
81560rcu_preempt0-21swapper/108:38:091
81560rcu_preempt0-21swapper/108:31:591
81560rcu_preempt0-21swapper/011:36:020
81560rcu_preempt0-21swapper/010:56:170
81550rcu_preempt2562-21ssh10:37:141
81550rcu_preempt0-21swapper/107:51:101
81550rcu_preempt0-21swapper/107:44:591
81550rcu_preempt0-21swapper/107:28:021
81550rcu_preempt0-21swapper/107:12:511
81550rcu_preempt0-21swapper/012:22:270
81550rcu_preempt0-21swapper/012:00:040
81550rcu_preempt0-21swapper/011:59:290
81550rcu_preempt0-21swapper/011:44:540
81550rcu_preempt0-21swapper/010:29:370
81550rcu_preempt0-21swapper/009:17:530
81550rcu_preempt0-21swapper/008:47:260
81550rcu_preempt0-21swapper/007:19:130
81540rcu_preempt6813-21munin-run08:29:410
81540rcu_preempt31112-21ssh12:26:070
81540rcu_preempt24955-21processes07:30:030
81540rcu_preempt15680-21ssh10:03:460
81540rcu_preempt0-21swapper/009:49:460
81540rcu_preempt0-21swapper/008:51:110
81530rcu_preempt0-21swapper/011:50:180
81520rcu_preempt0-21swapper/008:58:420
81520rcu_preempt0-21swapper/007:47:450
18975995250cyclictest946-21usb-storage09:04:410
81510rcu_preempt0-21swapper/108:14:481
81510rcu_preempt0-21swapper/108:00:151
81510rcu_preempt0-21swapper/009:05:340
81510rcu_preempt0-21swapper/008:36:000
81510rcu_preempt0-21swapper/007:40:130
18975995148cyclictest946-21usb-storage07:54:550
18976995045cyclictest946-21usb-storage07:14:571
81490rcu_preempt9620-21df08:39:550
81490rcu_preempt7209-21fw_forwarded_lo08:29:570
18976994643cyclictest946-21usb-storage09:00:031
18975994644cyclictest946-21usb-storage07:20:020
81450rcu_preempt2235-21snmpd07:53:110
81440rcu_preempt3718-21memory08:15:010
18975994239cyclictest946-21usb-storage07:12:540
79950400irq/19-0000:00:2605-21ntpq08:10:041
18975993836cyclictest946-21usb-storage08:09:540
89650370irq/17-ehci_hcd0-21swapper/008:01:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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