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2026-06-01 - 21:07
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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 100 highest latencies:
System rackcslot3.osadl.org (updated Mon Jun 01, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81870rcu_preempt0-21swapper/110:23:101
81800rcu_preempt19-21ksoftirqd/109:48:391
81800rcu_preempt0-21swapper/112:07:471
89950790irq/17-ehci_hcd14786-21ssh11:38:470
146650760irq/31-eth0-tx-181ktimersoftd/110:06:331
81750rcu_preempt9126-21sh12:28:110
81750rcu_preempt29460-21df_abs09:08:001
81750rcu_preempt23805-21munin-run10:57:460
81740rcu_preempt1244-21diskmemload12:13:211
81730rcu_preempt23499-21df_abs09:58:021
81730rcu_preempt17443-21sh11:43:211
81720rcu_preempt29515-21ssh10:08:061
81720rcu_preempt15181-1kworker/1:0H09:28:201
81720rcu_preempt0-21swapper/112:28:081
81720rcu_preempt0-21swapper/011:43:340
81710rcu_preempt30412-21diskmemload11:49:500
81710rcu_preempt0-21swapper/112:34:271
81710rcu_preempt0-21swapper/111:42:201
81710rcu_preempt0-21swapper/110:43:031
81710rcu_preempt0-21swapper/110:38:561
81710rcu_preempt0-21swapper/109:46:291
81710rcu_preempt0-21swapper/107:28:071
81700rcu_preempt30412-21diskmemload12:19:300
81700rcu_preempt21315-21python08:33:110
81700rcu_preempt0-21swapper/110:33:091
81700rcu_preempt0-21swapper/109:33:111
81700rcu_preempt0-21swapper/109:16:401
81700rcu_preempt0-21swapper/012:26:320
81690rcu_preempt30696-21cpuspeed_turbos09:12:590
81690rcu_preempt30412-21diskmemload12:36:180
81690rcu_preempt30412-21diskmemload10:17:140
81690rcu_preempt30412-21diskmemload10:03:530
81690rcu_preempt30412-21diskmemload09:51:420
81690rcu_preempt17171-21memory08:18:080
81690rcu_preempt0-21swapper/111:29:271
81690rcu_preempt0-21swapper/111:03:071
81690rcu_preempt0-21swapper/110:51:231
81690rcu_preempt0-21swapper/110:12:551
81690rcu_preempt0-21swapper/010:24:480
81680rcu_preempt5970-21ntp_states07:33:080
81680rcu_preempt30009-21ntp_states09:08:080
81680rcu_preempt29235-21ssh11:07:390
81680rcu_preempt0-21swapper/112:20:151
81680rcu_preempt0-21swapper/111:08:311
81680rcu_preempt0-21swapper/110:57:591
81680rcu_preempt0-21swapper/109:40:021
81680rcu_preempt0-21swapper/107:08:331
81670rcu_preempt0-21swapper/112:26:301
81670rcu_preempt0-21swapper/111:59:561
81670rcu_preempt0-21swapper/111:27:181
81670rcu_preempt0-21swapper/110:29:421
81670rcu_preempt0-21swapper/109:19:221
81670rcu_preempt0-21swapper/107:27:421
81670rcu_preempt0-21swapper/007:08:100
81660rcu_preempt0-21swapper/112:08:061
81650rcu_preempt0-21swapper/111:55:011
81650rcu_preempt0-21swapper/111:21:221
81650rcu_preempt0-21swapper/108:59:441
81650rcu_preempt0-21swapper/108:22:401
81630rcu_preempt0-21swapper/112:42:261
81630rcu_preempt0-21swapper/111:36:381
81630rcu_preempt0-21swapper/111:13:271
81630rcu_preempt0-21swapper/109:55:301
81630rcu_preempt0-21swapper/108:33:031
81620rcu_preempt8924-21ntp_states11:28:100
81620rcu_preempt7828-21ssh11:27:290
81620rcu_preempt26766-21sh12:02:080
81620rcu_preempt2252-21ssh10:18:041
81620rcu_preempt0-21swapper/109:23:181
81620rcu_preempt0-21swapper/109:02:571
81610rcu_preempt32011-21ssh12:12:020
81610rcu_preempt23308-21apt-get09:58:010
81610rcu_preempt0-21swapper/108:13:021
89150600irq/17-ehci_hcd945-21usb-storage08:04:590
81600rcu_preempt9688-21strings07:48:071
81600rcu_preempt7220-21ntpq07:38:081
81600rcu_preempt3-21ksoftirqd/010:36:220
81600rcu_preempt0-21swapper/107:53:121
81590rcu_preempt0-21swapper/111:49:481
81590rcu_preempt0-21swapper/110:56:331
81590rcu_preempt0-21swapper/108:53:031
81590rcu_preempt0-21swapper/108:53:031
81590rcu_preempt0-21swapper/107:18:041
81580rcu_preempt30412-21diskmemload11:13:390
81580rcu_preempt0-21swapper/108:23:161
81580rcu_preempt0-21swapper/107:58:461
81580rcu_preempt0-21swapper/107:15:451
81570rcu_preempt15491-21ssh12:40:030
81560rcu_preempt7782-21dpkg07:42:571
81560rcu_preempt0-21swapper/108:32:271
81560rcu_preempt0-21swapper/108:07:311
81550rcu_preempt6915-21diskstats09:28:030
81550rcu_preempt0-21swapper/108:52:361
81550rcu_preempt0-21swapper/108:42:451
81540rcu_preempt19748-21ssh10:48:440
81540rcu_preempt0-21swapper/010:12:110
146650540irq/31-eth0-tx-41ktimersoftd/007:51:480
81530rcu_preempt2682-21ssh09:19:170
81520rcu_preempt4306-21entropy09:23:010
81520rcu_preempt0-21swapper/011:02:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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