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2025-12-11 - 04:52
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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 Thu Dec 11, 2025 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81750rcu_preempt0-21swapper/122:49:541
81720rcu_preempt26619-21munin-run20:04:401
81710rcu_preempt12724-21cyclictest23:08:301
81700rcu_preempt28089-21ntpq21:40:021
81700rcu_preempt22112-21diskstats21:29:580
81700rcu_preempt0-21swapper/122:34:401
81700rcu_preempt0-21swapper/100:30:051
81690rcu_preempt6494-21ssh23:01:351
81690rcu_preempt0-21swapper/123:54:401
81690rcu_preempt0-21swapper/121:55:051
81690rcu_preempt0-21swapper/119:09:541
81680rcu_preempt29973-1kworker/0:2H00:06:300
81680rcu_preempt0-21swapper/021:40:060
81680rcu_preempt0-21swapper/000:22:430
81670rcu_preempt8419-21df_abs22:04:551
81670rcu_preempt19-21ksoftirqd/122:16:161
81660rcu_preempt6360-21tail20:50:011
81660rcu_preempt6335-21ntp_states22:00:040
81660rcu_preempt26689-21cut23:40:000
81650rcu_preempt10646-21diskmemload22:15:350
81650rcu_preempt0-21swapper/123:42:401
81650rcu_preempt0-21swapper/119:05:531
81650rcu_preempt0-21swapper/023:25:520
81640rcu_preempt25341-21munin-run19:59:401
81640rcu_preempt0-21swapper/100:35:301
81630rcu_preempt0-21swapper/123:48:221
90050610irq/17-ehci_hcd946-21usb-storage00:09:581
81610rcu_preempt7896-21k10sensors20:55:061
81610rcu_preempt0-21swapper/022:08:590
81610rcu_preempt0-21swapper/020:12:510
81610rcu_preempt0-21swapper/019:05:530
90050600irq/17-ehci_hcd946-21usb-storage19:30:011
90050600irq/17-ehci_hcd946-21usb-storage19:30:011
81600rcu_preempt0-21swapper/023:21:100
81600rcu_preempt0-21swapper/023:08:180
81600rcu_preempt0-21swapper/000:11:480
81590rcu_preempt19-21ksoftirqd/121:45:461
81590rcu_preempt0-21swapper/023:19:040
81580rcu_preempt0-21swapper/023:10:030
81580rcu_preempt0-21swapper/022:45:560
81580rcu_preempt0-21swapper/021:05:030
81580rcu_preempt0-21swapper/000:29:520
81580rcu_preempt0-21swapper/000:00:040
151850580irq/30-eth0-tx-41ktimersoftd/019:35:000
81570rcu_preempt16304-21cpuspeed_turbos22:19:531
81570rcu_preempt11728-21ps21:10:030
81570rcu_preempt0-21swapper/022:55:040
81570rcu_preempt0-21swapper/022:41:240
81570rcu_preempt0-21swapper/021:26:450
81570rcu_preempt0-21swapper/020:51:000
81570rcu_preempt0-21swapper/019:14:500
81570rcu_preempt0-21swapper/000:39:040
81570rcu_preempt0-21swapper/000:27:290
81570rcu_preempt0-21swapper/000:16:130
81560rcu_preempt23153-21ssh22:32:100
81560rcu_preempt19-21ksoftirqd/121:13:041
81560rcu_preempt17967-21ssh21:20:590
81560rcu_preempt0-21swapper/023:55:360
81560rcu_preempt0-21swapper/023:51:310
81560rcu_preempt0-21swapper/022:25:580
81560rcu_preempt0-21swapper/022:25:580
81560rcu_preempt0-21swapper/021:51:360
81560rcu_preempt0-21swapper/020:55:010
81560rcu_preempt0-21swapper/019:30:050
81560rcu_preempt0-21swapper/019:30:050
81550rcu_preempt4522-21ssh21:56:480
81550rcu_preempt0-21swapper/023:46:340
81550rcu_preempt0-21swapper/023:35:400
81550rcu_preempt0-21swapper/022:54:000
81550rcu_preempt0-21swapper/022:20:040
81550rcu_preempt0-21swapper/020:14:400
81550rcu_preempt0-21swapper/020:07:330
151950550irq/31-eth0-tx-41ktimersoftd/022:09:440
81540rcu_preempt31825-21ssh21:47:510
81540rcu_preempt0-21swapper/120:10:211
81540rcu_preempt0-21swapper/023:29:570
81540rcu_preempt0-21swapper/021:15:060
81540rcu_preempt0-21swapper/019:20:060
81530rcu_preempt25452-21ssh22:35:580
81530rcu_preempt0-21swapper/120:08:331
81530rcu_preempt0-21swapper/020:44:440
81530rcu_preempt0-21swapper/020:37:010
81530rcu_preempt0-21swapper/019:47:010
81530rcu_preempt0-21swapper/019:44:380
81530rcu_preempt0-21swapper/019:29:260
81530rcu_preempt0-21swapper/019:09:570
81520rcu_preempt27013-21ssh21:39:210
81520rcu_preempt19-21ksoftirqd/121:52:001
81520rcu_preempt0-21swapper/022:59:570
81520rcu_preempt0-21swapper/020:42:120
81520rcu_preempt0-21swapper/020:03:400
81520rcu_preempt0-21swapper/019:58:140
90050510irq/17-ehci_hcd946-21usb-storage20:59:531
81510rcu_preempt0-21swapper/119:44:371
12729995148cyclictest946-21usb-storage22:56:431
12729995148cyclictest946-21usb-storage22:49:271
12729995148cyclictest946-21usb-storage00:29:261
12729995148cyclictest29118-21kworker/1:120:35:391
81500rcu_preempt19-21ksoftirqd/123:24:401
81500rcu_preempt19-21ksoftirqd/121:27:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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