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2025-05-05 - 04:05
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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 Mon May 05, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89850870irq/17-ehci_hcd32664-21sh00:21:061
81830rcu_preempt19379-21ssh22:57:351
81830rcu_preempt19-21ksoftirqd/122:47:491
81830rcu_preempt0-21swapper/123:38:141
81810rcu_preempt7276-21ssh21:35:311
89850800irq/17-ehci_hcd945-21usb-storage22:29:021
81800rcu_preempt0-21swapper/123:09:531
81790rcu_preempt13424-21ssh21:47:191
81780rcu_preempt30774-21ssh22:19:131
89850770irq/17-ehci_hcd0-21swapper/019:09:170
89850760irq/17-ehci_hcd19-21ksoftirqd/119:33:181
81750rcu_preempt447-1kworker/1:0H22:36:511
81750rcu_preempt4194-21/usr/sbin/munin19:44:191
81750rcu_preempt30931-21needreboot19:19:201
81750rcu_preempt0-21swapper/121:08:331
81740rcu_preempt15634-21sh21:50:481
81740rcu_preempt11051-21sh23:41:091
81740rcu_preempt0-21swapper/100:29:151
81740rcu_preempt0-21swapper/100:24:111
81740rcu_preempt0-21swapper/100:14:221
81730rcu_preempt29772-21sh23:15:581
81720rcu_preempt32631-21sh21:24:011
81720rcu_preempt26692-21diskmemload23:38:050
81720rcu_preempt22491-21apt-get22:04:130
81720rcu_preempt21310-21sh22:00:561
89450710irq/17-ehci_hcd0-21swapper/023:47:140
81710rcu_preempt0-21swapper/100:34:241
81700rcu_preempt24995-21sh00:07:171
81700rcu_preempt0-21swapper/122:12:241
81700rcu_preempt0-21swapper/121:56:021
81700rcu_preempt0-21swapper/121:41:121
81700rcu_preempt0-21swapper/119:14:211
81690rcu_preempt5471-21sh21:33:361
81690rcu_preempt3297-21ssh00:26:560
81690rcu_preempt22401-21sh00:02:521
81690rcu_preempt0-21swapper/123:49:431
81690rcu_preempt0-21swapper/123:49:431
81690rcu_preempt0-21swapper/123:45:051
81690rcu_preempt0-21swapper/120:29:131
81690rcu_preempt0-21swapper/119:59:181
81690rcu_preempt0-21swapper/119:54:201
81680rcu_preempt26692-21diskmemload22:11:070
81680rcu_preempt0-21swapper/123:54:181
81680rcu_preempt0-21swapper/120:34:251
81670rcu_preempt1104-21apt-get23:24:121
81670rcu_preempt0-21swapper/123:29:231
81670rcu_preempt0-21swapper/123:08:251
81670rcu_preempt0-21swapper/119:38:011
81660rcu_preempt0-21swapper/120:25:051
81640rcu_preempt32340-21ssh21:23:381
81640rcu_preempt10729-21ssh00:39:241
81630rcu_preempt28786-21ssh22:14:241
81630rcu_preempt0-21swapper/121:17:251
81630rcu_preempt0-21swapper/120:05:091
81630rcu_preempt0-21swapper/021:04:270
151250630irq/30-eth0-tx-28839-21kworker/1:119:11:581
89850620irq/17-ehci_hcd17884-21kworker/1:120:50:071
81620rcu_preempt24119-21ssh22:06:051
81620rcu_preempt14081-21munin-run20:23:571
81620rcu_preempt0-21swapper/122:49:191
81620rcu_preempt0-21swapper/122:24:121
81620rcu_preempt0-21swapper/120:13:331
81620rcu_preempt0-21swapper/000:37:240
81610rcu_preempt586-21ssh23:23:081
81610rcu_preempt0-21swapper/120:48:421
81610rcu_preempt0-21swapper/100:11:121
81600rcu_preempt0-21swapper/122:59:011
81600rcu_preempt0-21swapper/122:39:261
81600rcu_preempt0-21swapper/120:14:251
81590rcu_preempt0-21swapper/119:49:181
81590rcu_preempt0-21swapper/119:39:221
81580rcu_preempt0-21swapper/021:35:150
81570rcu_preempt31780-21ssh23:19:230
81570rcu_preempt0-21swapper/121:12:331
81570rcu_preempt0-21swapper/120:55:041
81570rcu_preempt0-21swapper/120:43:521
81570rcu_preempt0-21swapper/023:55:110
151250570irq/30-eth0-tx-5817-1kworker/0:2H21:44:010
81560rcu_preempt0-21swapper/119:26:411
81550rcu_preempt0-21swapper/019:53:020
81550rcu_preempt0-21swapper/000:08:390
81540rcu_preempt8222-21ssh22:36:220
81540rcu_preempt0-21swapper/022:52:030
28896995449cyclictest945-21usb-storage19:46:100
28896995445cyclictest945-21usb-storage00:39:520
151050540irq/28-eth0-rx-41ktimersoftd/000:30:010
151050540irq/28-eth0-rx-41ktimersoftd/000:20:550
81530rcu_preempt3449-21ssh23:28:290
81530rcu_preempt0-21swapper/022:31:390
81530rcu_preempt0-21swapper/020:48:280
81530rcu_preempt0-21swapper/000:13:240
28896995345cyclictest945-21usb-storage21:55:590
151050530irq/28-eth0-rx-41ktimersoftd/021:25:260
81520rcu_preempt22968-21diskstats23:04:140
81520rcu_preempt0-21swapper/121:00:401
81520rcu_preempt0-21swapper/020:35:320
28896995249cyclictest945-21usb-storage22:14:270
28896995249cyclictest945-21usb-storage21:10:460
28896995249cyclictest945-21usb-storage00:16:000
28896995248cyclictest945-21usb-storage23:39:060
28896995148cyclictest945-21usb-storage23:51:180
28896995148cyclictest945-21usb-storage23:51:180
28896995148cyclictest945-21usb-storage23:31:340
28896995148cyclictest945-21usb-storage23:10:340
28896995148cyclictest945-21usb-storage22:19:200
28896995148cyclictest945-21usb-storage21:53:220
28896995148cyclictest945-21usb-storage20:52:520
28896995148cyclictest945-21usb-storage20:24:140
28896995148cyclictest945-21usb-storage19:29:450
81500rcu_preempt11948-21ssh22:44:110
28896995047cyclictest945-21usb-storage22:39:570
28896995047cyclictest945-21usb-storage21:59:020
28896995047cyclictest945-21usb-storage21:42:300
28896995047cyclictest945-21usb-storage19:22:460
81490rcu_preempt0-21swapper/021:21:530
28896994946cyclictest945-21usb-storage22:56:330
28896994946cyclictest945-21usb-storage21:17:110
81480rcu_preempt0-21swapper/020:10:310
28896994845cyclictest945-21usb-storage23:01:090
28896994845cyclictest945-21usb-storage22:25:530
28896994845cyclictest945-21usb-storage21:29:120
28896994845cyclictest945-21usb-storage20:14:160
28896994845cyclictest945-21usb-storage19:24:140
28896994844cyclictest945-21usb-storage00:00:430
28896994643cyclictest945-21usb-storage23:15:130
28896994542cyclictest945-21usb-storage19:56:430
28896994138cyclictest945-21usb-storage19:39:110
28896994138cyclictest945-21usb-storage19:34:240
28896993835cyclictest945-21usb-storage20:41:340
28896993835cyclictest945-21usb-storage20:04:200
151350380irq/31-eth0-tx-23975-21smartctl20:59:270
1599380migration/021905-21cpuspeed_turbos20:54:130
81370rcu_preempt2091-21snmpd19:14:520
28896993632cyclictest945-21usb-storage20:21:570
151050350irq/28-eth0-rx-7945-21apt-get19:59:120
28896992926cyclictest945-21usb-storage20:29:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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