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2026-04-01 - 04:26
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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 Wed Apr 01, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89850970irq/17-ehci_hcd23711-21irqstats19:10:120
81810rcu_preempt1599migration/000:38:010
81810rcu_preempt13555-21/usr/sbin/munin23:00:221
81780rcu_preempt19-21ksoftirqd/122:20:571
81770rcu_preempt0-21swapper/119:10:171
81760rcu_preempt19-21ksoftirqd/122:38:371
81760rcu_preempt19-21ksoftirqd/122:33:131
81720rcu_preempt15169-21rm00:07:250
81710rcu_preempt25640-21munin-run19:19:530
81710rcu_preempt0-21swapper/121:17:351
81710rcu_preempt0-21swapper/023:00:540
81710rcu_preempt0-21swapper/000:30:120
81700rcu_preempt18782-21sh00:16:090
81690rcu_preempt19-21ksoftirqd/123:45:371
81690rcu_preempt0-21swapper/023:37:300
81680rcu_preempt0-21swapper/021:55:070
81680rcu_preempt0-21swapper/000:26:260
81670rcu_preempt32753-21sed22:35:130
81670rcu_preempt32133-21ssh21:31:360
81660rcu_preempt25753-21sh22:21:400
81660rcu_preempt10343-21if_wlan020:25:130
81660rcu_preempt0-21swapper/022:51:230
81650rcu_preempt0-21swapper/020:12:580
81650rcu_preempt0-21swapper/000:23:500
81640rcu_preempt6012-21diskstats23:50:080
81640rcu_preempt0-21swapper/022:30:140
81640rcu_preempt0-21swapper/022:10:120
81640rcu_preempt0-21swapper/000:11:120
81630rcu_preempt0-21swapper/023:57:390
81630rcu_preempt0-21swapper/023:10:440
81630rcu_preempt0-21swapper/022:44:230
81630rcu_preempt0-21swapper/019:44:460
81630rcu_preempt0-21swapper/019:44:460
81630rcu_preempt0-21swapper/000:00:110
81620rcu_preempt26021-21memory23:25:150
81620rcu_preempt0-21swapper/123:57:561
81620rcu_preempt0-21swapper/123:54:061
81620rcu_preempt0-21swapper/122:00:121
81620rcu_preempt0-21swapper/100:12:351
81620rcu_preempt0-21swapper/023:07:270
81620rcu_preempt0-21swapper/022:55:130
81620rcu_preempt0-21swapper/021:40:390
81610rcu_preempt4811-21ssh21:40:381
81610rcu_preempt32502-21ssh00:44:271
81610rcu_preempt3148-21ssh21:39:031
81610rcu_preempt20398-21ssh22:10:411
81610rcu_preempt16330-21munin-run22:04:530
81610rcu_preempt13260-21ssh21:57:491
81610rcu_preempt0-21swapper/123:36:291
81610rcu_preempt0-21swapper/123:30:131
81610rcu_preempt0-21swapper/123:18:581
81610rcu_preempt0-21swapper/122:05:071
81610rcu_preempt0-21swapper/121:51:421
81610rcu_preempt0-21swapper/121:26:501
81610rcu_preempt0-21swapper/120:55:141
81610rcu_preempt0-21swapper/120:05:031
81610rcu_preempt0-21swapper/100:15:031
81610rcu_preempt0-21swapper/022:15:150
81610rcu_preempt0-21swapper/019:50:170
81600rcu_preempt28870-21ssh22:28:221
81600rcu_preempt28870-21ssh22:28:221
81600rcu_preempt17434-21ssh22:05:180
81600rcu_preempt15396-21ssh00:08:151
81600rcu_preempt0-21swapper/123:05:211
81600rcu_preempt0-21swapper/122:54:591
81600rcu_preempt0-21swapper/122:51:511
81600rcu_preempt0-21swapper/122:16:531
81600rcu_preempt0-21swapper/121:30:071
81600rcu_preempt0-21swapper/119:55:161
81600rcu_preempt0-21swapper/119:40:211
81600rcu_preempt0-21swapper/119:40:211
81590rcu_preempt4287-21ssh22:43:441
81590rcu_preempt2916-21ssh23:44:170
81590rcu_preempt27227-21ssh21:22:400
81590rcu_preempt27227-21ssh21:22:400
81590rcu_preempt25229-21ntpq19:15:161
81590rcu_preempt19398-21ssh23:12:421
81590rcu_preempt0-21swapper/120:45:171
81590rcu_preempt0-21swapper/120:30:121
81590rcu_preempt0-21swapper/120:29:091
81590rcu_preempt0-21swapper/100:30:091
81580rcu_preempt8255-21ssh21:49:021
81580rcu_preempt6688-21ssh22:47:581
81580rcu_preempt26799-21ssh21:21:171
81580rcu_preempt26799-21ssh21:21:171
81580rcu_preempt24240-21ssh00:28:161
81580rcu_preempt0-21swapper/123:44:451
81580rcu_preempt0-21swapper/123:25:251
81580rcu_preempt0-21swapper/120:41:241
81580rcu_preempt0-21swapper/100:03:031
81580rcu_preempt0-21swapper/021:39:240
81580rcu_preempt0-21swapper/021:15:030
81570rcu_preempt30167-21/usr/sbin/munin00:40:150
81570rcu_preempt29695-21ssh00:38:511
81570rcu_preempt21857-21ssh00:24:141
81570rcu_preempt10086-21ssh21:51:060
81570rcu_preempt0-21swapper/123:20:121
81570rcu_preempt0-21swapper/119:50:061
81570rcu_preempt0-21swapper/021:47:530
81570rcu_preempt0-21swapper/020:38:120
81570rcu_preempt0-21swapper/020:31:440
81560rcu_preempt5748-21ssh22:45:170
81560rcu_preempt0-21swapper/120:16:521
81560rcu_preempt0-21swapper/119:45:211
81560rcu_preempt0-21swapper/119:45:211
81560rcu_preempt0-21swapper/023:29:550
81560rcu_preempt0-21swapper/022:29:310
81560rcu_preempt0-21swapper/022:29:310
81560rcu_preempt0-21swapper/021:10:090
81560rcu_preempt0-21swapper/020:45:060
81560rcu_preempt0-21swapper/020:40:160
81550rcu_preempt3817-21fw_conntrack20:00:111
81550rcu_preempt24368-21ssh23:21:580
81550rcu_preempt0-21swapper/121:05:181
81550rcu_preempt0-21swapper/120:12:561
81550rcu_preempt0-21swapper/119:31:321
81550rcu_preempt0-21swapper/021:29:450
81540rcu_preempt3265-21ssh23:45:050
81540rcu_preempt0-21swapper/020:08:030
81540rcu_preempt0-21swapper/019:45:120
81540rcu_preempt0-21swapper/019:45:120
81540rcu_preempt0-21swapper/019:26:560
81530rcu_preempt4334-21ps20:00:190
81530rcu_preempt0-21swapper/119:23:101
81530rcu_preempt0-21swapper/020:55:340
81520rcu_preempt0-21swapper/023:18:420
81520rcu_preempt0-21swapper/019:55:260
24388995249cyclictest945-21usb-storage21:13:131
81510rcu_preempt0-21swapper/021:09:470
81500rcu_preempt19854-21sendmail-msp21:04:530
24388995046cyclictest945-21usb-storage20:20:041
81490rcu_preempt13218-21uname20:35:161
81490rcu_preempt0-21swapper/119:28:561
81490rcu_preempt0-21swapper/019:21:260
24388994946cyclictest945-21usb-storage21:02:301
81480rcu_preempt0-21swapper/019:30:090
147650480irq/28-eth0-rx-19-21ksoftirqd/120:50:201
147650420irq/28-eth0-rx-0-21swapper/119:39:201
81390rcu_preempt9685-21users20:20:200
147850380irq/30-eth0-tx-7618-21/usr/sbin/munin20:15:100
89850330irq/17-ehci_hcd0-21swapper/020:52:150
81320rcu_preempt30558-21switchtime19:35:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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