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2025-07-09 - 09:07
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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 Wed Jul 09, 2025 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81880rcu_preempt23708-21ssh00:12:061
81690rcu_preempt0-21swapper/020:51:080
81680rcu_preempt0-21swapper/100:30:401
81680rcu_preempt0-21swapper/100:20:401
81680rcu_preempt0-21swapper/023:16:070
81680rcu_preempt0-21swapper/022:40:560
81680rcu_preempt0-21swapper/000:37:400
81680rcu_preempt0-21swapper/000:37:400
81670rcu_preempt27466-1kworker/1:1H22:58:161
81670rcu_preempt22826-21df_abs19:05:560
81670rcu_preempt0-21swapper/123:55:141
81670rcu_preempt0-21swapper/021:38:430
81660rcu_preempt22230-21munin-run00:10:390
81660rcu_preempt0-21swapper/123:31:361
81660rcu_preempt0-21swapper/100:39:111
81660rcu_preempt0-21swapper/100:39:111
81660rcu_preempt0-21swapper/020:42:310
81650rcu_preempt22410-21ssh00:10:540
81650rcu_preempt20035-21ssh23:05:560
81650rcu_preempt0-21swapper/123:36:091
81650rcu_preempt0-21swapper/122:35:581
81640rcu_preempt15090-21ssh21:56:010
81640rcu_preempt0-21swapper/121:33:211
81640rcu_preempt0-21swapper/119:36:041
81630rcu_preempt28274-21ntp_states00:21:020
81630rcu_preempt21669-21munin-run21:10:390
81630rcu_preempt0-21swapper/123:26:051
81630rcu_preempt0-21swapper/122:22:571
81630rcu_preempt0-21swapper/119:05:581
81620rcu_preempt3-21ksoftirqd/023:53:380
81620rcu_preempt24214-21ssh21:14:411
81620rcu_preempt0-21swapper/123:09:161
81620rcu_preempt0-21swapper/122:50:481
81620rcu_preempt0-21swapper/120:40:331
81620rcu_preempt0-21swapper/120:25:571
81620rcu_preempt0-21swapper/022:27:370
81620rcu_preempt0-21swapper/020:36:040
81610rcu_preempt6247-21latency_hist23:40:400
81610rcu_preempt27652-21munin-run19:25:390
81610rcu_preempt25316-21df_abs22:15:560
81610rcu_preempt11523-21latency_hist22:50:401
81610rcu_preempt0-21swapper/121:49:181
81610rcu_preempt0-21swapper/022:03:240
81610rcu_preempt0-21swapper/019:29:210
81600rcu_preempt26188-21ssh21:16:451
81600rcu_preempt19591-21ssh00:05:101
81600rcu_preempt17000-21apt-get23:00:521
81600rcu_preempt13002-21ssh21:51:521
81600rcu_preempt0-21swapper/123:45:301
81600rcu_preempt0-21swapper/122:02:231
81600rcu_preempt0-21swapper/120:56:071
81600rcu_preempt0-21swapper/120:50:561
81600rcu_preempt0-21swapper/120:18:571
81600rcu_preempt0-21swapper/100:05:571
81600rcu_preempt0-21swapper/021:54:280
81590rcu_preempt31973-21ssh21:27:391
81590rcu_preempt29734-21ssh23:23:040
81590rcu_preempt29242-21ssh23:21:301
81590rcu_preempt27476-21ssh00:20:451
81590rcu_preempt20532-21ps22:06:041
81590rcu_preempt0-21swapper/123:57:221
81590rcu_preempt0-21swapper/122:41:421
81590rcu_preempt0-21swapper/122:10:491
81590rcu_preempt0-21swapper/120:41:061
81590rcu_preempt0-21swapper/100:32:321
81590rcu_preempt0-21swapper/023:14:550
81590rcu_preempt0-21swapper/020:10:570
81580rcu_preempt8450-21ssh21:44:520
81580rcu_preempt7596-21ssh23:41:130
81580rcu_preempt3315-21ssh23:35:090
81580rcu_preempt31988-21ssh21:27:430
81580rcu_preempt30374-21cpuspeed00:25:550
81580rcu_preempt29161-21ssh21:22:051
81580rcu_preempt24160-21ssh23:12:481
81580rcu_preempt19773-21munin-run00:05:390
81580rcu_preempt0-21swapper/123:46:051
81580rcu_preempt0-21swapper/121:56:151
81580rcu_preempt0-21swapper/121:43:181
81580rcu_preempt0-21swapper/121:36:231
81580rcu_preempt0-21swapper/121:00:581
81580rcu_preempt0-21swapper/120:45:551
81580rcu_preempt0-21swapper/119:31:001
81580rcu_preempt0-21swapper/022:31:310
81580rcu_preempt0-21swapper/022:05:520
81570rcu_preempt25389-21ssh22:15:581
81570rcu_preempt2224-21snmpd19:12:131
81570rcu_preempt0-21swapper/120:01:001
81570rcu_preempt0-21swapper/023:00:350
81570rcu_preempt0-21swapper/022:50:530
81570rcu_preempt0-21swapper/022:11:430
81570rcu_preempt0-21swapper/021:15:570
81560rcu_preempt26862-21ssh23:17:471
81560rcu_preempt10645-21ssh23:47:080
81560rcu_preempt0-21swapper/122:31:111
81560rcu_preempt0-21swapper/119:41:031
81560rcu_preempt0-21swapper/119:16:031
81560rcu_preempt0-21swapper/023:57:490
81560rcu_preempt0-21swapper/023:01:240
81550rcu_preempt26916-21ssh00:19:270
81550rcu_preempt1105-21ntpq19:46:031
81550rcu_preempt0-21swapper/119:59:281
81550rcu_preempt0-21swapper/119:59:281
81550rcu_preempt0-21swapper/119:50:571
81550rcu_preempt0-21swapper/119:29:041
81550rcu_preempt0-21swapper/023:25:540
81550rcu_preempt0-21swapper/022:46:320
81550rcu_preempt0-21swapper/022:36:020
81550rcu_preempt0-21swapper/021:49:190
81550rcu_preempt0-21swapper/021:32:580
81550rcu_preempt0-21swapper/020:30:560
81540rcu_preempt30251-21munin-run22:25:390
81540rcu_preempt23081-21ssh21:11:180
81540rcu_preempt0-21swapper/021:23:520
81540rcu_preempt0-21swapper/019:41:060
81540rcu_preempt0-21swapper/000:31:250
81530rcu_preempt10755-21fw_conntrack20:25:570
81530rcu_preempt0-21swapper/122:26:271
81530rcu_preempt0-21swapper/120:11:031
81530rcu_preempt0-21swapper/020:06:010
81520rcu_preempt0-21swapper/019:56:250
81520rcu_preempt0-21swapper/019:56:250
23828995250cyclictest80050irq/19-0000:00:20:56:080
81510rcu_preempt9488-21diskstats20:20:551
23829995047cyclictest945-21usb-storage20:09:031
23829995047cyclictest945-21usb-storage19:20:561
23828995047cyclictest945-21usb-storage20:20:540
81490rcu_preempt4481-21fw_forwarded_lo20:00:560
81490rcu_preempt12058-21if_can120:30:591
81490rcu_preempt0-21swapper/019:32:460
81480rcu_preempt2224-21snmpd21:02:350
23828994846cyclictest945-21usb-storage19:16:010
89550470irq/17-ehci_hcd8789-21rt-features20:16:030
81470rcu_preempt0-21swapper/020:46:170
81470rcu_preempt0-21swapper/019:36:350
23829994644cyclictest945-21usb-storage21:08:521
81430rcu_preempt492-21df19:45:560
23828994239cyclictest945-21usb-storage19:51:040
81350rcu_preempt24197-21diskstats19:10:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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