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2025-12-06 - 13:30
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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 Sat Dec 06, 2025 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81820rcu_preempt12965-21memory22:20:071
81810rcu_preempt28321-21munin-run21:49:431
81720rcu_preempt0-21swapper/120:30:041
81680rcu_preempt1937-21sh00:00:140
81680rcu_preempt18501-21sh00:34:360
81670rcu_preempt19-21ksoftirqd/122:59:361
81660rcu_preempt32162-21ssh22:55:090
81660rcu_preempt19627-21ntp_states19:50:050
81650rcu_preempt24917-21ssh23:44:321
81650rcu_preempt0-21swapper/123:11:081
81650rcu_preempt0-21swapper/119:45:011
81650rcu_preempt0-21swapper/119:04:591
81640rcu_preempt17869-21df_abs19:44:580
81630rcu_preempt0-21swapper/021:36:130
81620rcu_preempt32284-21kworker/0:219:04:590
81620rcu_preempt21944-21cut20:00:030
81620rcu_preempt0-21swapper/123:36:241
81620rcu_preempt0-21swapper/122:48:021
81620rcu_preempt0-21swapper/120:44:591
81620rcu_preempt0-21swapper/100:13:541
81620rcu_preempt0-21swapper/023:26:060
81620rcu_preempt0-21swapper/023:19:580
81610rcu_preempt29623-21ssh22:50:241
81610rcu_preempt20181-21ssh21:34:171
81610rcu_preempt17462-21munin-run22:29:430
81610rcu_preempt0-21swapper/123:59:501
81610rcu_preempt0-21swapper/121:54:231
81610rcu_preempt0-21swapper/119:24:001
81600rcu_preempt3655-21ssh23:04:031
81600rcu_preempt29241-21ssh23:50:541
81600rcu_preempt24553-21ssh22:41:371
81600rcu_preempt2314-21ssh22:00:040
81600rcu_preempt19622-21ssh23:34:341
81600rcu_preempt0-21swapper/123:48:421
81600rcu_preempt0-21swapper/122:10:451
81600rcu_preempt0-21swapper/121:57:381
81600rcu_preempt0-21swapper/121:24:161
81600rcu_preempt0-21swapper/100:26:261
81600rcu_preempt0-21swapper/022:21:190
81600rcu_preempt0-21swapper/000:35:160
81590rcu_preempt323-21ssh23:59:090
81590rcu_preempt19322-21ssh22:31:571
81590rcu_preempt17050-21ssh21:28:011
81590rcu_preempt16299-21ssh22:25:531
81590rcu_preempt0-21swapper/122:15:081
81590rcu_preempt0-21swapper/121:13:471
81590rcu_preempt0-21swapper/120:49:591
81590rcu_preempt0-21swapper/120:25:061
81590rcu_preempt0-21swapper/120:00:051
81590rcu_preempt0-21swapper/100:29:481
81590rcu_preempt0-21swapper/100:21:541
81590rcu_preempt0-21swapper/023:35:050
81590rcu_preempt0-21swapper/022:37:260
81590rcu_preempt0-21swapper/022:15:160
81590rcu_preempt0-21swapper/021:58:260
81590rcu_preempt0-21swapper/021:15:080
81590rcu_preempt0-21swapper/020:41:020
81590rcu_preempt0-21swapper/020:10:000
81590rcu_preempt0-21swapper/019:10:440
81580rcu_preempt9363-21ssh22:14:150
81580rcu_preempt5369-21ssh23:05:481
81580rcu_preempt26337-21kernelversion21:45:020
81580rcu_preempt25038-21ssh21:42:271
81580rcu_preempt11132-21ssh23:17:371
81580rcu_preempt0-21swapper/123:56:341
81580rcu_preempt0-21swapper/123:23:241
81580rcu_preempt0-21swapper/122:00:001
81580rcu_preempt0-21swapper/121:35:241
81580rcu_preempt0-21swapper/121:19:221
81580rcu_preempt0-21swapper/100:38:531
81580rcu_preempt0-21swapper/100:07:451
81580rcu_preempt0-21swapper/020:54:580
81570rcu_preempt8153-21df00:14:581
81570rcu_preempt24737-21ssh21:41:190
81570rcu_preempt16297-21ssh23:27:211
81570rcu_preempt14451-21ssh21:22:430
81570rcu_preempt13449-21ssh00:24:580
81570rcu_preempt0-21swapper/122:07:191
81570rcu_preempt0-21swapper/120:35:071
81570rcu_preempt0-21swapper/119:15:001
81570rcu_preempt0-21swapper/023:03:460
81570rcu_preempt0-21swapper/022:51:230
81570rcu_preempt0-21swapper/022:40:540
81570rcu_preempt0-21swapper/022:32:130
81570rcu_preempt0-21swapper/021:51:000
81570rcu_preempt0-21swapper/000:05:050
81560rcu_preempt6332-21ssh23:09:010
81560rcu_preempt29493-21ssh23:51:500
81560rcu_preempt2864-21munin-run20:54:430
81560rcu_preempt27931-21ssh22:48:500
81560rcu_preempt16971-21ssh21:27:430
81560rcu_preempt0-21swapper/120:40:071
81560rcu_preempt0-21swapper/023:15:030
81560rcu_preempt0-21swapper/023:11:470
81560rcu_preempt0-21swapper/022:04:580
81560rcu_preempt0-21swapper/020:45:050
81560rcu_preempt0-21swapper/019:14:570
81560rcu_preempt0-21swapper/000:23:090
81560rcu_preempt0-21swapper/000:10:020
81550rcu_preempt20887-21irqstats22:35:031
81550rcu_preempt0-21swapper/120:20:251
81550rcu_preempt0-21swapper/119:50:191
81550rcu_preempt0-21swapper/119:44:371
81550rcu_preempt0-21swapper/023:48:350
81550rcu_preempt0-21swapper/023:40:430
81550rcu_preempt0-21swapper/020:04:570
81550rcu_preempt0-21swapper/019:44:430
81550rcu_preempt0-21swapper/000:15:310
81540rcu_preempt8710-21ssh21:12:180
81540rcu_preempt19440-21ssh23:33:570
81540rcu_preempt0-21swapper/120:58:191
81540rcu_preempt0-21swapper/120:18:471
81540rcu_preempt0-21swapper/119:30:011
81540rcu_preempt0-21swapper/119:30:011
81540rcu_preempt0-21swapper/021:30:280
81530rcu_preempt0-21swapper/120:10:291
81530rcu_preempt0-21swapper/021:04:180
81530rcu_preempt0-21swapper/020:31:100
81530rcu_preempt0-21swapper/020:20:010
81530rcu_preempt0-21swapper/019:31:350
81530rcu_preempt0-21swapper/019:31:350
81530rcu_preempt0-21swapper/019:23:400
81520rcu_preempt0-21swapper/119:14:331
81520rcu_preempt0-21swapper/020:28:110
81520rcu_preempt0-21swapper/019:58:000
81520rcu_preempt0-21swapper/019:27:220
81510rcu_preempt0-21swapper/119:27:011
81510rcu_preempt0-21swapper/021:07:530
81510rcu_preempt0-21swapper/021:07:530
81510rcu_preempt0-21swapper/020:15:230
8673995047cyclictest946-21usb-storage19:38:270
81500rcu_preempt20891-21ntp_states19:55:051
81500rcu_preempt0-21swapper/121:09:411
81500rcu_preempt0-21swapper/121:09:411
8674994846cyclictest946-21usb-storage20:59:581
81480rcu_preempt31087-21ps20:35:060
81480rcu_preempt16038-21python19:35:081
8674994440cyclictest946-21usb-storage20:04:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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