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2025-11-30 - 11:02
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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 highest latencies:
System rackcslot3.osadl.org (updated Sun Nov 30, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81760rcu_preempt0-21swapper/119:09:141
81730rcu_preempt5586-21latency_hist22:49:470
81710rcu_preempt32011-1kworker/0:1H22:45:500
81700rcu_preempt24655-21ssh23:25:100
81680rcu_preempt0-21swapper/022:24:420
81670rcu_preempt0-21swapper/123:21:181
81670rcu_preempt0-21swapper/023:20:110
81660rcu_preempt0-21swapper/123:50:081
81660rcu_preempt0-21swapper/122:49:591
81660rcu_preempt0-21swapper/122:43:461
81660rcu_preempt0-21swapper/122:35:551
81660rcu_preempt0-21swapper/122:06:121
81660rcu_preempt0-21swapper/121:43:061
81660rcu_preempt0-21swapper/022:04:220
81650rcu_preempt1431-21expr22:40:130
81650rcu_preempt0-21swapper/123:27:021
81650rcu_preempt0-21swapper/123:10:461
81650rcu_preempt0-21swapper/122:55:241
81650rcu_preempt0-21swapper/122:04:361
81640rcu_preempt0-21swapper/121:11:111
81640rcu_preempt0-21swapper/100:29:081
81640rcu_preempt0-21swapper/100:07:101
81630rcu_preempt0-21swapper/120:55:121
81630rcu_preempt0-21swapper/023:00:410
81620rcu_preempt0-21swapper/122:49:291
81620rcu_preempt0-21swapper/121:01:501
81620rcu_preempt0-21swapper/019:05:070
81610rcu_preempt6367-21/usr/sbin/munin21:50:141
81610rcu_preempt0-21swapper/123:39:331
81610rcu_preempt0-21swapper/123:39:331
81610rcu_preempt0-21swapper/123:15:141
81610rcu_preempt0-21swapper/122:25:371
81610rcu_preempt0-21swapper/121:21:171
81610rcu_preempt0-21swapper/100:21:101
81610rcu_preempt0-21swapper/021:30:300
81600rcu_preempt1094-21if_err_wlan020:05:081
81600rcu_preempt0-21swapper/123:57:451
81600rcu_preempt0-21swapper/123:49:151
81600rcu_preempt0-21swapper/122:33:501
81600rcu_preempt0-21swapper/023:34:250
81600rcu_preempt0-21swapper/000:37:470
81590rcu_preempt0-21swapper/123:40:121
81590rcu_preempt0-21swapper/123:33:491
81590rcu_preempt0-21swapper/121:45:381
81590rcu_preempt0-21swapper/121:25:371
81590rcu_preempt0-21swapper/119:40:141
81590rcu_preempt0-21swapper/100:17:181
81590rcu_preempt0-21swapper/100:04:331
81590rcu_preempt0-21swapper/021:42:510
81580rcu_preempt16870-21python21:05:151
81580rcu_preempt0-21swapper/123:00:061
81580rcu_preempt0-21swapper/122:20:461
81580rcu_preempt0-21swapper/122:15:141
81580rcu_preempt0-21swapper/121:35:511
81580rcu_preempt0-21swapper/121:30:531
81580rcu_preempt0-21swapper/022:08:310
81580rcu_preempt0-21swapper/020:10:060
81570rcu_preempt31662-21ssh21:35:110
81570rcu_preempt27189-21ssh22:29:220
81570rcu_preempt2256-21forks20:10:061
81570rcu_preempt21118-21ssh23:19:220
81570rcu_preempt20950-21ssh22:15:370
81570rcu_preempt15706-21ssh23:08:501
81570rcu_preempt0-21swapper/121:55:541
81570rcu_preempt0-21swapper/120:38:561
81570rcu_preempt0-21swapper/120:25:541
81570rcu_preempt0-21swapper/120:22:201
81570rcu_preempt0-21swapper/100:35:561
81570rcu_preempt0-21swapper/100:14:271
81570rcu_preempt0-21swapper/023:48:290
81560rcu_preempt4170-21ssh21:45:070
81560rcu_preempt21995-21ssh21:17:430
81560rcu_preempt18645-21ssh22:12:051
81560rcu_preempt15984-21cron23:09:470
81560rcu_preempt0-21swapper/121:18:511
81560rcu_preempt0-21swapper/120:45:131
81560rcu_preempt0-21swapper/119:34:141
81560rcu_preempt0-21swapper/023:57:420
81560rcu_preempt0-21swapper/023:42:020
81560rcu_preempt0-21swapper/023:12:310
81560rcu_preempt0-21swapper/022:38:180
81560rcu_preempt0-21swapper/021:52:400
81560rcu_preempt0-21swapper/021:22:350
81550rcu_preempt28918-21ssh22:31:030
81550rcu_preempt22411-21strings19:20:080
81550rcu_preempt21590-21sshd19:18:140
81550rcu_preempt19499-21ssh21:13:340
81550rcu_preempt0-21swapper/119:49:141
81550rcu_preempt0-21swapper/021:26:520
81550rcu_preempt0-21swapper/020:30:030
81550rcu_preempt0-21swapper/000:30:580
81550rcu_preempt0-21swapper/000:13:370
81550rcu_preempt0-21swapper/000:03:010
81540rcu_preempt21902-21df19:20:021
81540rcu_preempt17522-21ssh22:10:070
81540rcu_preempt17074-21diskmemload22:55:520
81540rcu_preempt10718-21ssh21:56:530
81540rcu_preempt0-21swapper/120:53:181
81540rcu_preempt0-21swapper/120:15:021
81540rcu_preempt0-21swapper/120:04:141
81540rcu_preempt0-21swapper/119:55:041
81540rcu_preempt0-21swapper/023:50:510
81540rcu_preempt0-21swapper/019:50:070
81540rcu_preempt0-21swapper/019:49:150
81540rcu_preempt0-21swapper/000:16:540
81540rcu_preempt0-21swapper/000:07:200
81530rcu_preempt31245-21ssh23:38:000
81530rcu_preempt31245-21ssh23:38:000
81530rcu_preempt3-21ksoftirqd/000:19:560
81530rcu_preempt23895-21mailstats19:25:121
81520rcu_preempt0-21swapper/120:41:161
81520rcu_preempt0-21swapper/119:11:441
81520rcu_preempt0-21swapper/020:40:590
81520rcu_preempt0-21swapper/019:36:010
81510rcu_preempt3833-21memory20:15:080
81510rcu_preempt26136-21cut00:30:141
81510rcu_preempt0-21swapper/119:49:481
81510rcu_preempt0-21swapper/021:06:020
81510rcu_preempt0-21swapper/020:48:020
19093995148cyclictest946-21usb-storage19:35:081
81500rcu_preempt24243-21ssh00:26:480
81500rcu_preempt14956-21fw_conntrack21:00:050
81500rcu_preempt0-21swapper/020:27:280
81500rcu_preempt0-21swapper/019:28:070
19092995047cyclictest946-21usb-storage20:05:110
81490rcu_preempt24481-21sed19:30:040
19092994947cyclictest946-21usb-storage19:40:050
81480rcu_preempt4788-21diskstats20:20:040
19093994744cyclictest946-21usb-storage19:15:121
81450rcu_preempt20287-21timerwakeupswit19:10:130
19093994542cyclictest946-21usb-storage20:30:551
19092994440cyclictest946-21usb-storage20:00:160
81420rcu_preempt8793-21irqstats20:35:070
19092994240cyclictest946-21usb-storage20:55:110
19092994238cyclictest946-21usb-storage19:55:040
19092993937cyclictest946-21usb-storage20:50:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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