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2025-12-01 - 22:10
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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 Dec 01, 2025 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81750rcu_preempt14290-21ls07:50:121
81750rcu_preempt14290-21ls07:50:121
81710rcu_preempt7436-21grep07:25:071
81710rcu_preempt0-21swapper/107:06:291
81700rcu_preempt15925-21df_abs09:35:011
81690rcu_preempt0-21swapper/112:24:471
81690rcu_preempt0-21swapper/010:00:050
81690rcu_preempt0-21swapper/009:20:120
81680rcu_preempt948-21diskmemload09:45:001
81680rcu_preempt12663-21sh12:22:320
81680rcu_preempt12663-21sh12:22:320
81680rcu_preempt0-21swapper/110:10:081
81680rcu_preempt0-21swapper/109:10:031
81680rcu_preempt0-21swapper/108:20:121
81680rcu_preempt0-21swapper/011:10:040
81680rcu_preempt0-21swapper/010:25:140
81670rcu_preempt3674-21sh09:13:480
81670rcu_preempt27662-21ssh09:55:051
81670rcu_preempt2235-21snmpd11:53:460
81670rcu_preempt0-21swapper/109:50:431
81670rcu_preempt0-21swapper/108:30:001
81670rcu_preempt0-21swapper/010:15:450
81660rcu_preempt32656-21sh11:00:280
81660rcu_preempt30280-21uname11:55:051
81660rcu_preempt28063-21ssh10:53:301
81660rcu_preempt0-21swapper/112:07:211
81650rcu_preempt0-21swapper/111:20:101
81650rcu_preempt0-21swapper/110:45:091
81640rcu_preempt0-21swapper/111:46:131
81640rcu_preempt0-21swapper/011:39:460
81640rcu_preempt0-21swapper/007:09:330
81630rcu_preempt3110-21munin-run10:09:471
81630rcu_preempt28910-21ssh10:55:030
81630rcu_preempt20835-21ssh11:39:111
81630rcu_preempt16690-21smartctl11:30:131
81630rcu_preempt0-21swapper/112:30:331
81630rcu_preempt0-21swapper/111:54:401
81630rcu_preempt0-21swapper/111:29:361
81630rcu_preempt0-21swapper/110:26:501
81630rcu_preempt0-21swapper/109:29:101
81630rcu_preempt0-21swapper/107:20:041
81630rcu_preempt0-21swapper/007:40:040
81620rcu_preempt10945-21ssh10:22:501
81620rcu_preempt0-21swapper/110:40:241
81620rcu_preempt0-21swapper/110:30:141
81620rcu_preempt0-21swapper/108:50:261
81620rcu_preempt0-21swapper/011:56:520
81620rcu_preempt0-21swapper/009:25:020
81610rcu_preempt9817-21ps10:20:100
81610rcu_preempt8075-21/usr/sbin/munin07:29:460
81610rcu_preempt0-21swapper/111:18:411
81610rcu_preempt0-21swapper/108:43:171
81600rcu_preempt30885-21ssh10:00:111
81600rcu_preempt0-21swapper/112:15:051
81600rcu_preempt0-21swapper/112:15:051
81600rcu_preempt0-21swapper/111:03:461
81600rcu_preempt0-21swapper/012:15:530
81600rcu_preempt0-21swapper/012:15:530
81600rcu_preempt0-21swapper/009:40:070
81590rcu_preempt6458-21sensors_temp12:10:111
81590rcu_preempt27125-21ssh09:54:520
81590rcu_preempt2486-21ssh12:03:561
81590rcu_preempt0-21swapper/112:35:081
81590rcu_preempt0-21swapper/112:20:041
81590rcu_preempt0-21swapper/112:20:041
81590rcu_preempt0-21swapper/109:40:041
81590rcu_preempt0-21swapper/109:30:031
81590rcu_preempt0-21swapper/108:00:061
81590rcu_preempt0-21swapper/011:05:060
81590rcu_preempt0-21swapper/010:35:050
3022995956cyclictest181ktimersoftd/108:55:041
81580rcu_preempt4599-21ssh11:09:511
81580rcu_preempt3256-21ssh11:06:001
81580rcu_preempt31117-21ssh10:59:411
81580rcu_preempt28361-21latency_hist08:49:460
81580rcu_preempt18326-21cpu08:09:591
81580rcu_preempt0-21swapper/111:40:101
81580rcu_preempt0-21swapper/110:34:561
81580rcu_preempt0-21swapper/110:15:441
81580rcu_preempt0-21swapper/109:17:101
81580rcu_preempt0-21swapper/107:40:241
81580rcu_preempt0-21swapper/010:10:060
81580rcu_preempt0-21swapper/010:09:100
81580rcu_preempt0-21swapper/009:38:390
81580rcu_preempt0-21swapper/009:05:140
81570rcu_preempt26224-21ssh09:52:390
81570rcu_preempt21735-21ssh10:41:250
81570rcu_preempt0-21swapper/109:20:141
81570rcu_preempt0-21swapper/011:48:480
81570rcu_preempt0-21swapper/011:36:360
81570rcu_preempt0-21swapper/011:26:210
81570rcu_preempt0-21swapper/007:37:500
81570rcu_preempt0-21swapper/007:20:010
81560rcu_preempt25091-21ssh10:47:520
81560rcu_preempt0-21swapper/108:05:191
81560rcu_preempt0-21swapper/107:36:241
81560rcu_preempt0-21swapper/107:30:241
81560rcu_preempt0-21swapper/107:15:051
81560rcu_preempt0-21swapper/011:20:030
81560rcu_preempt0-21swapper/010:30:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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