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2026-05-02 - 06:53
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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 Sat May 02, 2026 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81790rcu_preempt10250-21cron19:40:111
81760rcu_preempt10357-21/usr/sbin/munin23:15:301
81740rcu_preempt0-21swapper/119:05:531
81730rcu_preempt0-21swapper/021:41:430
81720rcu_preempt0-21swapper/023:08:320
81700rcu_preempt32489-21diskmemload23:53:230
81700rcu_preempt0-21swapper/022:30:300
81690rcu_preempt29721-21ssh23:48:571
81680rcu_preempt0-21swapper/023:39:260
81680rcu_preempt0-21swapper/021:32:090
81670rcu_preempt533-21diskmemload21:45:180
81670rcu_preempt28739-21sh23:46:070
81660rcu_preempt0-21swapper/023:00:550
81650rcu_preempt0-21swapper/123:55:071
81650rcu_preempt0-21swapper/123:36:241
81650rcu_preempt0-21swapper/123:21:191
81650rcu_preempt0-21swapper/121:48:581
81650rcu_preempt0-21swapper/120:25:361
81650rcu_preempt0-21swapper/100:25:341
81650rcu_preempt0-21swapper/000:39:450
81640rcu_preempt0-21swapper/122:44:071
81640rcu_preempt0-21swapper/121:39:571
81640rcu_preempt0-21swapper/023:32:530
81640rcu_preempt0-21swapper/022:47:360
81640rcu_preempt0-21swapper/020:20:270
81630rcu_preempt0-21swapper/123:00:321
81630rcu_preempt0-21swapper/122:30:071
81630rcu_preempt0-21swapper/021:50:220
81620rcu_preempt29016-21ssh21:56:341
81620rcu_preempt0-21swapper/123:31:321
81620rcu_preempt0-21swapper/100:08:471
81610rcu_preempt2460-21ssh21:11:520
81610rcu_preempt11647-21ssh22:22:011
81610rcu_preempt0-21swapper/122:45:341
81610rcu_preempt0-21swapper/122:15:381
81610rcu_preempt0-21swapper/122:14:261
81610rcu_preempt0-21swapper/121:40:301
81610rcu_preempt0-21swapper/120:16:511
81610rcu_preempt0-21swapper/022:29:010
81610rcu_preempt0-21swapper/022:16:550
81610rcu_preempt0-21swapper/000:15:270
81600rcu_preempt8629-21ssh23:11:561
81600rcu_preempt26227-21ssh21:51:371
81600rcu_preempt26026-21ssh23:41:461
81600rcu_preempt17758-21ssh22:32:491
81600rcu_preempt15620-21ssh21:34:471
81600rcu_preempt15556-21ntp_states00:20:351
81600rcu_preempt10499-21ssh00:11:061
81600rcu_preempt0-21swapper/122:37:501
81600rcu_preempt0-21swapper/120:00:271
81600rcu_preempt0-21swapper/119:42:201
81600rcu_preempt0-21swapper/100:18:461
81600rcu_preempt0-21swapper/023:40:430
81600rcu_preempt0-21swapper/022:45:010
81600rcu_preempt0-21swapper/021:15:260
81590rcu_preempt29568-21ssh22:52:441
81590rcu_preempt25516-21ssh00:38:181
81590rcu_preempt18059-21ssh23:29:081
81590rcu_preempt12269-21ssh21:29:051
81590rcu_preempt0-21swapper/123:05:541
81590rcu_preempt0-21swapper/122:05:271
81590rcu_preempt0-21swapper/121:15:271
81590rcu_preempt0-21swapper/121:14:181
81590rcu_preempt0-21swapper/119:50:241
81590rcu_preempt0-21swapper/000:30:010
81580rcu_preempt9009-21ssh21:23:071
81580rcu_preempt32238-21ssh22:02:040
81580rcu_preempt0-21swapper/123:56:381
81580rcu_preempt0-21swapper/122:04:321
81580rcu_preempt0-21swapper/119:15:241
81580rcu_preempt0-21swapper/022:14:450
81570rcu_preempt8464-21ssh23:11:260
81570rcu_preempt32423-21ssh22:57:451
81570rcu_preempt15716-21ssh00:20:370
81570rcu_preempt0-21swapper/120:35:361
81570rcu_preempt0-21swapper/119:55:311
81570rcu_preempt0-21swapper/119:45:361
81570rcu_preempt0-21swapper/119:20:281
81570rcu_preempt0-21swapper/100:30:161
81570rcu_preempt0-21swapper/023:29:380
81570rcu_preempt0-21swapper/023:18:360
81570rcu_preempt0-21swapper/020:20:110
81560rcu_preempt7106-21ssh00:05:330
81560rcu_preempt4590-21ntpq00:00:341
81560rcu_preempt30530-21ssh22:55:200
81560rcu_preempt30236-21ssh21:59:540
81560rcu_preempt28404-21ssh22:50:320
81560rcu_preempt0-21swapper/120:34:331
81560rcu_preempt0-21swapper/120:10:161
81560rcu_preempt0-21swapper/020:57:250
81560rcu_preempt0-21swapper/000:31:510
81550rcu_preempt2296-1kworker/0:1H21:37:110
81550rcu_preempt15323-21munin-run20:00:120
81550rcu_preempt12903-21ssh23:20:140
81550rcu_preempt10872-21ssh00:12:520
81550rcu_preempt0-21swapper/121:05:351
81550rcu_preempt0-21swapper/120:21:501
81550rcu_preempt0-21swapper/120:08:401
81550rcu_preempt0-21swapper/119:28:511
81550rcu_preempt0-21swapper/021:25:130
81550rcu_preempt0-21swapper/021:20:340
81550rcu_preempt0-21swapper/019:20:250
89950540irq/17-ehci_hcd945-21usb-storage19:09:230
81540rcu_preempt3074-21diskstats19:10:261
81540rcu_preempt2064-21ssh23:55:450
81540rcu_preempt20012-21ssh22:35:450
81540rcu_preempt0-21swapper/022:09:470
81540rcu_preempt0-21swapper/021:00:120
81540rcu_preempt0-21swapper/021:00:120
81540rcu_preempt0-21swapper/020:53:070
81540rcu_preempt0-21swapper/019:45:270
81540rcu_preempt0-21swapper/019:35:310
81540rcu_preempt0-21swapper/000:00:130
81530rcu_preempt8151-21fw_forwarded_lo19:30:261
81530rcu_preempt16185-21ntpq20:00:330
81530rcu_preempt0-21swapper/120:53:301
81530rcu_preempt0-21swapper/022:20:430
81530rcu_preempt0-21swapper/020:34:200
81530rcu_preempt0-21swapper/019:28:310
81520rcu_preempt0-21swapper/020:40:440
81520rcu_preempt0-21swapper/019:34:230
2641995242cyclictest945-21usb-storage21:01:421
2641995242cyclictest945-21usb-storage21:01:421
81510rcu_preempt17299-21memory20:05:310
81510rcu_preempt0-21swapper/120:43:081
81510rcu_preempt0-21swapper/021:06:440
81510rcu_preempt0-21swapper/020:11:060
81510rcu_preempt0-21swapper/019:11:350
81500rcu_preempt0-21swapper/020:45:480
2641994947cyclictest945-21usb-storage20:45:291
81480rcu_preempt29475-21df20:55:251
2640994846cyclictest945-21usb-storage19:54:130
81470rcu_preempt4232-21df19:15:240
81370rcu_preempt21829-21/usr/sbin/munin20:25:240
2640993618cyclictest10682-21kworker/0:019:44:580
81350rcu_preempt3-21ksoftirqd/020:35:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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