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2025-07-01 - 03:24
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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 Tue Jul 01, 2025 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89950840irq/17-ehci_hcd945-21usb-storage19:08:531
81740rcu_preempt10438-21sh21:27:380
81720rcu_preempt9298-21fw_conntrack22:25:390
81690rcu_preempt8181-1kworker/0:1H21:32:140
81690rcu_preempt0-21swapper/000:20:460
81680rcu_preempt8065-21sh22:22:550
81680rcu_preempt23621-21latency_hist20:35:190
81670rcu_preempt28781-21apt-get20:55:310
81670rcu_preempt0-21swapper/022:15:590
81670rcu_preempt0-21swapper/021:55:170
81670rcu_preempt0-21swapper/000:10:340
141350670irq/31-eth0-tx-181ktimersoftd/123:03:581
81660rcu_preempt24120-21diskmemload23:52:380
81660rcu_preempt14018-21/usr/sbin/munin19:55:371
81660rcu_preempt0-21swapper/123:30:321
81660rcu_preempt0-21swapper/121:26:341
81660rcu_preempt0-21swapper/121:17:041
81650rcu_preempt720-21munin-run23:10:201
81650rcu_preempt3448-21ssh21:15:350
81650rcu_preempt0-21swapper/122:01:291
81650rcu_preempt0-21swapper/019:20:470
81650rcu_preempt0-21swapper/000:39:500
81640rcu_preempt23181-21ssh23:50:431
81640rcu_preempt0-21swapper/123:57:341
81640rcu_preempt0-21swapper/122:27:291
81640rcu_preempt0-21swapper/122:17:491
81640rcu_preempt0-21swapper/121:52:411
81640rcu_preempt0-21swapper/100:37:151
81640rcu_preempt0-21swapper/022:43:040
81640rcu_preempt0-21swapper/021:01:350
81630rcu_preempt909-21ssh23:10:311
81630rcu_preempt0-21swapper/000:30:000
81620rcu_preempt6901-21ssh21:20:451
81620rcu_preempt31163-21cat21:00:461
81620rcu_preempt0-21swapper/122:55:371
81620rcu_preempt0-21swapper/122:55:371
81620rcu_preempt0-21swapper/122:13:181
81620rcu_preempt0-21swapper/021:12:540
81620rcu_preempt0-21swapper/020:10:460
81620rcu_preempt0-21swapper/000:04:400
141050620irq/28-eth0-rx-181ktimersoftd/121:34:431
81610rcu_preempt22222-21munin-run21:50:191
81610rcu_preempt16476-21ssh22:38:591
81610rcu_preempt11584-21if_err_eth119:45:370
81610rcu_preempt0-21swapper/123:40:421
81610rcu_preempt0-21swapper/121:58:341
81610rcu_preempt0-21swapper/121:40:431
81610rcu_preempt0-21swapper/119:19:531
81610rcu_preempt0-21swapper/000:34:550
81600rcu_preempt6958-21ssh00:23:321
81600rcu_preempt21710-21ssh22:48:201
81600rcu_preempt0-21swapper/122:50:261
81600rcu_preempt0-21swapper/100:14:461
81600rcu_preempt0-21swapper/022:10:480
81590rcu_preempt8974-21ssh23:25:251
81590rcu_preempt548-21kworker/0:219:05:400
81590rcu_preempt19065-21ssh22:43:441
81590rcu_preempt14556-21diskstats21:35:381
81590rcu_preempt14556-21diskstats21:35:381
81590rcu_preempt0-21swapper/123:20:071
81590rcu_preempt0-21swapper/122:31:191
81590rcu_preempt0-21swapper/119:25:381
81590rcu_preempt0-21swapper/100:18:281
81590rcu_preempt0-21swapper/100:01:541
81590rcu_preempt0-21swapper/023:02:060
81580rcu_preempt24399-21ssh22:53:120
81580rcu_preempt21842-21ssh23:48:561
81580rcu_preempt20999-21timerandwakeup20:20:481
81580rcu_preempt19-21ksoftirqd/100:30:161
81580rcu_preempt0-21swapper/123:35:451
81580rcu_preempt0-21swapper/122:05:451
81580rcu_preempt0-21swapper/121:13:171
81580rcu_preempt0-21swapper/120:50:341
81580rcu_preempt0-21swapper/100:31:581
81580rcu_preempt0-21swapper/023:49:060
81580rcu_preempt0-21swapper/022:30:440
81580rcu_preempt0-21swapper/020:20:430
81570rcu_preempt7575-21ssh23:21:161
81570rcu_preempt0-21swapper/121:06:031
81570rcu_preempt0-21swapper/120:05:391
81570rcu_preempt0-21swapper/119:45:221
81570rcu_preempt0-21swapper/100:07:001
81570rcu_preempt0-21swapper/021:58:340
81570rcu_preempt0-21swapper/021:20:420
81570rcu_preempt0-21swapper/019:35:400
81570rcu_preempt0-21swapper/019:10:380
81560rcu_preempt7831-21if_eth019:30:391
81560rcu_preempt683-21ssh22:10:180
81560rcu_preempt2964-21memory19:10:401
81560rcu_preempt27398-21munin-run20:50:190
81560rcu_preempt21466-21ssh22:47:310
81560rcu_preempt0-21swapper/120:40:421
81560rcu_preempt0-21swapper/023:37:080
81560rcu_preempt0-21swapper/023:00:060
81560rcu_preempt0-21swapper/023:00:060
81560rcu_preempt0-21swapper/022:04:220
81560rcu_preempt0-21swapper/021:41:590
81560rcu_preempt0-21swapper/021:05:380
81560rcu_preempt0-21swapper/020:40:440
81560rcu_preempt0-21swapper/020:27:290
81560rcu_preempt0-21swapper/000:18:050
81550rcu_preempt8032-1kworker/0:0H23:07:250
81550rcu_preempt5198-21ssh23:17:190
81550rcu_preempt29673-21sensors_temp20:55:431
81550rcu_preempt2224-21snmpd19:56:140
81550rcu_preempt0-21swapper/122:24:341
81550rcu_preempt0-21swapper/120:46:521
81550rcu_preempt0-21swapper/023:25:310
81550rcu_preempt0-21swapper/023:11:410
81550rcu_preempt0-21swapper/021:45:500
81550rcu_preempt0-21swapper/020:15:430
81550rcu_preempt0-21swapper/020:06:160
81550rcu_preempt0-21swapper/019:34:490
81540rcu_preempt13117-21ssh23:31:430
81540rcu_preempt13017-21memory19:50:391
81540rcu_preempt10193-21diskstats19:40:391
81540rcu_preempt0-21swapper/119:35:461
81540rcu_preempt0-21swapper/023:58:010
81540rcu_preempt0-21swapper/023:40:370
81540rcu_preempt0-21swapper/020:50:250
81540rcu_preempt0-21swapper/020:37:060
81540rcu_preempt0-21swapper/019:15:360
81540rcu_preempt0-21swapper/000:07:190
141050540irq/28-eth0-rx-41ktimersoftd/019:40:410
81530rcu_preempt0-21swapper/120:20:061
81530rcu_preempt0-21swapper/023:22:360
81530rcu_preempt0-21swapper/022:36:250
81530rcu_preempt0-21swapper/021:37:330
81530rcu_preempt0-21swapper/021:37:330
81530rcu_preempt0-21swapper/019:25:420
81520rcu_preempt12695-21diskstats19:50:350
2269995046cyclictest945-21usb-storage19:20:361
81480rcu_preempt21976-21ntp_states20:25:431
2269994340cyclictest945-21usb-storage20:00:301
2269994339cyclictest945-21usb-storage20:36:081
2269994239cyclictest945-21usb-storage20:34:401
141050410irq/28-eth0-rx-27640-21kworker/1:120:11:141
141250300irq/30-eth0-tx-7269-21kworker/0:120:04:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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