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2025-08-27 - 14:29
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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 Wed Aug 27, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81830rcu_preempt5186-21ssh22:52:571
81790rcu_preempt0-21swapper/119:37:591
81770rcu_preempt19-21ksoftirqd/122:20:091
81760rcu_preempt19-21ksoftirqd/123:36:591
81730rcu_preempt0-21swapper/119:11:101
81720rcu_preempt11981-21sh23:04:580
81720rcu_preempt0-21swapper/020:52:590
81710rcu_preempt19227-21sh22:16:500
81710rcu_preempt0-21swapper/022:23:040
81710rcu_preempt0-21swapper/022:06:080
81710rcu_preempt0-21swapper/020:58:100
89950700irq/17-ehci_hcd945-21usb-storage23:49:501
81700rcu_preempt0-21swapper/023:40:540
81700rcu_preempt0-21swapper/019:33:110
81700rcu_preempt0-21swapper/000:40:570
81700rcu_preempt0-21swapper/000:22:440
81690rcu_preempt0-21swapper/022:47:450
81680rcu_preempt8184-21sh00:01:430
81680rcu_preempt0-21swapper/021:39:210
81680rcu_preempt0-21swapper/021:12:580
81680rcu_preempt0-21swapper/000:14:230
81670rcu_preempt22136-21sh21:18:550
81670rcu_preempt0-21swapper/000:06:490
141350670irq/31-eth0-tx-181ktimersoftd/121:37:031
19938996646cyclictest27859-21kworker/1:020:32:241
81650rcu_preempt19298-21sh00:24:260
81640rcu_preempt5584-21ssh23:56:481
81630rcu_preempt558-21if_eth022:43:080
81630rcu_preempt19012-21df_abs19:08:000
89950620irq/17-ehci_hcd171rcuc/100:23:071
81620rcu_preempt387-21ssh21:40:031
81620rcu_preempt31638-21ssh22:40:091
81620rcu_preempt0-21swapper/123:07:451
81620rcu_preempt0-21swapper/023:14:550
81620rcu_preempt0-21swapper/019:48:100
81620rcu_preempt0-21swapper/000:08:080
81610rcu_preempt24050-21ssh22:25:161
81610rcu_preempt1602-21ssh22:44:181
81610rcu_preempt0-21swapper/123:20:091
81610rcu_preempt0-21swapper/123:16:311
81610rcu_preempt0-21swapper/122:52:221
81610rcu_preempt0-21swapper/122:14:151
81610rcu_preempt0-21swapper/100:15:161
81610rcu_preempt0-21swapper/022:58:030
81610rcu_preempt0-21swapper/022:12:020
81610rcu_preempt0-21swapper/020:07:570
89950600irq/17-ehci_hcd945-21usb-storage21:27:591
81600rcu_preempt28745-21ssh22:34:021
81600rcu_preempt24876-21ssh23:30:471
81600rcu_preempt0-21swapper/123:40:481
81600rcu_preempt0-21swapper/100:28:561
81600rcu_preempt0-21swapper/100:11:271
81600rcu_preempt0-21swapper/100:03:491
81600rcu_preempt0-21swapper/023:48:070
81600rcu_preempt0-21swapper/022:33:080
81600rcu_preempt0-21swapper/020:28:080
89950590irq/17-ehci_hcd945-21usb-storage23:43:091
81590rcu_preempt9542-21if_eth020:38:071
81590rcu_preempt26681-21ssh00:38:311
81590rcu_preempt24674-21sshd00:35:401
81590rcu_preempt22874-21munin-run23:27:430
81590rcu_preempt0-21swapper/123:59:131
81590rcu_preempt0-21swapper/121:50:511
81590rcu_preempt0-21swapper/121:18:121
81590rcu_preempt0-21swapper/119:58:011
81590rcu_preempt0-21swapper/023:56:430
81590rcu_preempt0-21swapper/022:52:440
81590rcu_preempt0-21swapper/021:56:410
81580rcu_preempt27173-21ssh23:34:540
81580rcu_preempt25075-21ssh21:24:440
81580rcu_preempt24938-21ssh21:24:121
81580rcu_preempt21891-21ssh23:23:551
81580rcu_preempt19749-21ssh21:15:041
81580rcu_preempt11279-21ssh22:01:071
81580rcu_preempt0-21swapper/123:02:351
81580rcu_preempt0-21swapper/122:03:061
81580rcu_preempt0-21swapper/121:47:091
81580rcu_preempt0-21swapper/120:18:071
81580rcu_preempt0-21swapper/120:13:111
81580rcu_preempt0-21swapper/100:18:121
81580rcu_preempt0-21swapper/022:18:260
81580rcu_preempt0-21swapper/022:01:130
81580rcu_preempt0-21swapper/021:50:230
81580rcu_preempt0-21swapper/021:34:300
81580rcu_preempt0-21swapper/020:14:480
81580rcu_preempt0-21swapper/019:58:130
81580rcu_preempt0-21swapper/019:43:100
89950570irq/17-ehci_hcd0-21swapper/023:19:460
81570rcu_preempt7792-21ssh21:53:241
81570rcu_preempt28441-21cut21:32:440
81570rcu_preempt26061-21ssh22:28:191
81570rcu_preempt26061-21ssh22:28:191
81570rcu_preempt25043-21ssh23:31:250
81570rcu_preempt12580-21ssh23:07:221
81570rcu_preempt0-21swapper/119:37:091
81570rcu_preempt0-21swapper/119:28:111
81570rcu_preempt0-21swapper/021:43:160
81570rcu_preempt0-21swapper/019:38:280
19938995745cyclictest945-21usb-storage19:13:051
141250570irq/30-eth0-tx-0-21swapper/000:31:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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