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2026-04-06 - 10:34
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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 Mon Apr 06, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81760rcu_preempt10517-21if_err_eth021:20:271
81760rcu_preempt0-21swapper/023:09:090
81750rcu_preempt6822-21latency00:20:261
81740rcu_preempt27749-21idleruntime22:55:231
81710rcu_preempt23943-21ssh21:45:271
81710rcu_preempt0-21swapper/122:45:211
81710rcu_preempt0-21swapper/023:25:540
81710rcu_preempt0-21swapper/021:15:540
147650710irq/28-eth0-rx-0-21swapper/119:14:551
81700rcu_preempt8691-21munin-run00:25:070
81700rcu_preempt16119-21sh23:35:251
81700rcu_preempt0-21swapper/122:29:231
81700rcu_preempt0-21swapper/022:22:490
81700rcu_preempt0-21swapper/022:19:010
81700rcu_preempt0-21swapper/021:31:550
81700rcu_preempt0-21swapper/000:35:150
81700rcu_preempt0-21swapper/000:26:040
81700rcu_preempt0-21swapper/000:18:090
81690rcu_preempt7122-21diskmemload21:57:180
81690rcu_preempt0-21swapper/122:41:351
81690rcu_preempt0-21swapper/121:17:491
81690rcu_preempt0-21swapper/023:51:350
81680rcu_preempt0-21swapper/123:50:311
81680rcu_preempt0-21swapper/123:21:301
81680rcu_preempt0-21swapper/123:21:301
81680rcu_preempt0-21swapper/123:17:511
81680rcu_preempt0-21swapper/121:59:321
81670rcu_preempt7122-21diskmemload23:16:270
81670rcu_preempt6223-21sh22:13:260
81670rcu_preempt25547-21munin-run20:20:060
81670rcu_preempt0-21swapper/123:12:321
81670rcu_preempt0-21swapper/100:11:351
81670rcu_preempt0-21swapper/023:15:040
81670rcu_preempt0-21swapper/023:00:060
81660rcu_preempt0-21swapper/123:00:531
81660rcu_preempt0-21swapper/120:42:051
81660rcu_preempt0-21swapper/021:26:540
81650rcu_preempt28988-21ps20:30:300
81650rcu_preempt13566-21sh22:26:450
81650rcu_preempt0-21swapper/122:18:211
81640rcu_preempt22378-21ssh23:46:290
81640rcu_preempt0-21swapper/123:56:271
81640rcu_preempt0-21swapper/123:43:431
81640rcu_preempt0-21swapper/021:38:330
81630rcu_preempt30466-21timerandwakeup20:35:320
81630rcu_preempt26415-21open_files20:20:311
81630rcu_preempt0-21swapper/120:10:231
81630rcu_preempt0-21swapper/100:18:421
81620rcu_preempt9363-21/usr/sbin/munin22:20:261
81620rcu_preempt7129-21idleruntime-cro21:15:071
81620rcu_preempt3087-21ssh00:11:470
81620rcu_preempt3-21ksoftirqd/000:43:010
81620rcu_preempt3-21ksoftirqd/000:43:010
81620rcu_preempt0-21swapper/120:25:321
81620rcu_preempt0-21swapper/100:40:301
81620rcu_preempt0-21swapper/100:40:301
81620rcu_preempt0-21swapper/100:08:531
81620rcu_preempt0-21swapper/022:43:010
81610rcu_preempt424-21diskstats23:05:211
81610rcu_preempt26809-21munin-run20:25:060
81610rcu_preempt17531-21ssh21:33:571
81610rcu_preempt14314-21ssh21:26:351
81610rcu_preempt0-21swapper/123:25:201
81610rcu_preempt0-21swapper/120:50:301
81610rcu_preempt0-21swapper/120:50:301
81610rcu_preempt0-21swapper/100:00:261
81610rcu_preempt0-21swapper/022:50:240
81610rcu_preempt0-21swapper/020:55:250
81600rcu_preempt5550-21ssh22:11:101
81600rcu_preempt12252-21ssh21:23:460
81600rcu_preempt0-21swapper/121:41:071
81600rcu_preempt0-21swapper/119:55:301
81600rcu_preempt0-21swapper/019:40:170
81590rcu_preempt3352-21ssh22:07:591
81590rcu_preempt2707-21ssh22:05:490
81590rcu_preempt14840-21ssh23:32:341
81590rcu_preempt13949-21mailstats19:30:310
81590rcu_preempt12238-21ssh00:30:281
81590rcu_preempt0-21swapper/121:37:111
81590rcu_preempt0-21swapper/121:05:341
81590rcu_preempt0-21swapper/121:00:241
81590rcu_preempt0-21swapper/120:02:071
81590rcu_preempt0-21swapper/100:26:451
81590rcu_preempt0-21swapper/023:40:270
81590rcu_preempt0-21swapper/022:02:010
81590rcu_preempt0-21swapper/021:50:310
81590rcu_preempt0-21swapper/021:10:210
81590rcu_preempt0-21swapper/020:05:200
81590rcu_preempt0-21swapper/019:55:230
81590rcu_preempt0-21swapper/000:30:320
81580rcu_preempt7122-21diskmemload00:08:570
81580rcu_preempt28737-21ssh00:00:180
81580rcu_preempt27566-21ssh21:52:081
81580rcu_preempt23062-21ssh23:48:531
81580rcu_preempt18091-21kworker/0:219:10:310
81580rcu_preempt0-21swapper/122:54:021
81580rcu_preempt0-21swapper/122:30:161
81580rcu_preempt0-21swapper/122:04:201
81580rcu_preempt0-21swapper/120:35:231
81580rcu_preempt0-21swapper/119:15:461
81580rcu_preempt0-21swapper/100:36:421
81580rcu_preempt0-21swapper/023:35:210
81580rcu_preempt0-21swapper/022:39:430
81580rcu_preempt0-21swapper/021:00:250
81570rcu_preempt24930-21ssh21:47:110
81570rcu_preempt22142-21ssh21:41:170
81570rcu_preempt0-21swapper/122:37:381
81570rcu_preempt0-21swapper/120:05:201
81570rcu_preempt0-21swapper/119:52:161
81570rcu_preempt0-21swapper/119:38:391
81570rcu_preempt0-21swapper/119:30:291
81570rcu_preempt0-21swapper/023:32:400
81560rcu_preempt9304-21ssh23:21:030
81560rcu_preempt9304-21ssh23:21:030
81560rcu_preempt10676-21df19:20:211
81560rcu_preempt0-21swapper/120:46:261
81560rcu_preempt0-21swapper/023:58:020
81560rcu_preempt0-21swapper/023:01:520
81560rcu_preempt0-21swapper/020:45:410
81550rcu_preempt0-21swapper/120:30:241
81550rcu_preempt0-21swapper/120:15:391
81550rcu_preempt0-21swapper/019:35:200
147650550irq/28-eth0-rx-41ktimersoftd/022:45:300
81540rcu_preempt17759-21k10sensors19:45:300
81540rcu_preempt0-21swapper/022:30:300
81540rcu_preempt0-21swapper/020:00:250
81530rcu_preempt2138-21snmpd19:21:580
81530rcu_preempt0-21swapper/120:56:311
81520rcu_preempt0-21swapper/021:06:370
81520rcu_preempt0-21swapper/019:52:080
81520rcu_preempt0-21swapper/019:25:490
9147995148cyclictest945-21usb-storage19:45:251
81510rcu_preempt31832-21sshd20:43:330
81510rcu_preempt1639-21ntp_states20:50:270
81510rcu_preempt1639-21ntp_states20:50:270
9146994946cyclictest945-21usb-storage20:25:580
81490rcu_preempt9540-21fw_forwarded_lo19:15:220
81490rcu_preempt12371-21date19:25:261
81480rcu_preempt23887-21ntpq20:10:280
147650380irq/28-eth0-rx-0-21swapper/119:44:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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