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2026-06-17 - 21:06
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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 Jun 17, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81740rcu_preempt6803-21kworker/0:012:38:370
81740rcu_preempt5680-21df_abs08:34:221
81740rcu_preempt21912-21proc_pri12:24:321
81720rcu_preempt0-21swapper/111:54:281
81710rcu_preempt32273-21cpuspeed10:44:191
81710rcu_preempt31713-21df_abs08:09:231
81710rcu_preempt0-21swapper/112:33:121
81700rcu_preempt0-21swapper/108:39:171
81700rcu_preempt0-21swapper/012:24:270
81700rcu_preempt0-21swapper/011:51:360
81700rcu_preempt0-21swapper/011:14:270
81700rcu_preempt0-21swapper/009:36:520
81690rcu_preempt8581-21ntp_offset10:59:281
81690rcu_preempt5795-21ssh09:54:270
81690rcu_preempt16480-21kworker/0:211:38:060
81690rcu_preempt0-21swapper/112:39:081
81690rcu_preempt0-21swapper/111:27:301
81690rcu_preempt0-21swapper/110:32:051
81690rcu_preempt0-21swapper/110:32:051
81690rcu_preempt0-21swapper/109:19:191
81690rcu_preempt0-21swapper/012:04:330
81680rcu_preempt22708-21ssh11:25:550
81680rcu_preempt15371-21apt12:14:090
81680rcu_preempt0-21swapper/110:13:461
81680rcu_preempt0-21swapper/109:10:121
81680rcu_preempt0-21swapper/012:19:400
81670rcu_preempt28996-21munin-run11:39:081
81670rcu_preempt25826-21ssh11:32:160
81660rcu_preempt22741-21ssh10:24:511
81660rcu_preempt0-21swapper/112:15:381
81660rcu_preempt0-21swapper/109:58:511
81660rcu_preempt0-21swapper/107:09:301
81660rcu_preempt0-21swapper/007:09:300
81650rcu_preempt15424-21diskmemload11:54:081
81650rcu_preempt0-21swapper/111:32:591
81640rcu_preempt6342-21ssh10:54:441
81640rcu_preempt31736-21munin-run11:44:081
81640rcu_preempt18142-21munin-run12:19:090
81640rcu_preempt0-21swapper/109:48:121
81640rcu_preempt0-21swapper/108:44:451
81640rcu_preempt0-21swapper/108:32:071
81640rcu_preempt0-21swapper/108:14:261
81640rcu_preempt0-21swapper/107:34:221
81640rcu_preempt0-21swapper/011:47:560
81640rcu_preempt0-21swapper/009:09:300
81640rcu_preempt0-21swapper/008:38:550
81630rcu_preempt0-21swapper/110:39:281
81630rcu_preempt0-21swapper/107:24:261
81630rcu_preempt0-21swapper/010:54:210
81630rcu_preempt0-21swapper/010:15:590
81620rcu_preempt3-21ksoftirqd/009:44:570
81620rcu_preempt10657-21df_abs08:54:211
81620rcu_preempt0-21swapper/112:34:321
81620rcu_preempt0-21swapper/112:23:241
81620rcu_preempt0-21swapper/111:04:221
81620rcu_preempt0-21swapper/110:19:251
81620rcu_preempt0-21swapper/110:19:251
81620rcu_preempt0-21swapper/008:14:290
81620rcu_preempt0-21swapper/007:29:240
81610rcu_preempt9016-21ssh12:00:291
81610rcu_preempt4871-21ssh11:54:200
81610rcu_preempt28199-21ssh10:35:181
81610rcu_preempt12886-21ssh12:09:191
81610rcu_preempt0-21swapper/110:15:001
81610rcu_preempt0-21swapper/109:42:521
81610rcu_preempt0-21swapper/109:35:561
81610rcu_preempt0-21swapper/107:29:221
81610rcu_preempt0-21swapper/010:05:470
81600rcu_preempt8181-21ssh10:59:230
81600rcu_preempt2431-21ssh10:49:131
81600rcu_preempt23311-21ssh09:27:241
81600rcu_preempt2192-21snmpd10:49:280
81600rcu_preempt21333-21ssh09:24:120
81600rcu_preempt0-21swapper/112:04:301
81600rcu_preempt0-21swapper/111:47:471
81600rcu_preempt0-21swapper/109:59:201
81600rcu_preempt0-21swapper/109:50:541
81600rcu_preempt0-21swapper/109:30:381
81600rcu_preempt0-21swapper/108:04:341
81600rcu_preempt0-21swapper/012:29:270
81600rcu_preempt0-21swapper/012:01:310
81600rcu_preempt0-21swapper/009:18:020
81600rcu_preempt0-21swapper/007:54:320
81590rcu_preempt9345-21ssh10:00:350
81590rcu_preempt30962-21ssh12:42:110
81590rcu_preempt13635-21irqstats11:09:270
81590rcu_preempt0-21swapper/111:17:121
81590rcu_preempt0-21swapper/110:06:441
81590rcu_preempt0-21swapper/108:24:181
81590rcu_preempt0-21swapper/107:59:211
81590rcu_preempt0-21swapper/107:19:241
81590rcu_preempt0-21swapper/011:22:420
81590rcu_preempt0-21swapper/011:05:000
81580rcu_preempt20622-21ssh11:23:181
81580rcu_preempt15597-21ssh09:14:171
81580rcu_preempt0-21swapper/109:01:451
81580rcu_preempt0-21swapper/010:48:420
81580rcu_preempt0-21swapper/010:41:140
81580rcu_preempt0-21swapper/010:36:030
81580rcu_preempt0-21swapper/010:33:270
81580rcu_preempt0-21swapper/010:33:270
81580rcu_preempt0-21swapper/009:52:300
81580rcu_preempt0-21swapper/009:29:470
81580rcu_preempt0-21swapper/009:19:320
81580rcu_preempt0-21swapper/008:19:200
81570rcu_preempt31335-21ssh09:41:550
81570rcu_preempt0-21swapper/111:12:441
81570rcu_preempt0-21swapper/107:55:511
81570rcu_preempt0-21swapper/107:47:191
81570rcu_preempt0-21swapper/107:47:191
81570rcu_preempt0-21swapper/107:39:191
81570rcu_preempt0-21swapper/010:24:470
81570rcu_preempt0-21swapper/008:54:220
81560rcu_preempt21062-21ssh10:23:250
81560rcu_preempt21062-21ssh10:23:250
81560rcu_preempt14673-21ssh10:10:110
81560rcu_preempt0-21swapper/108:51:231
81560rcu_preempt0-21swapper/011:39:280
81560rcu_preempt0-21swapper/008:59:260
81550rcu_preempt2437-21ps08:19:311
81550rcu_preempt13522-21irqstats09:04:271
81550rcu_preempt0-21swapper/107:51:351
81550rcu_preempt0-21swapper/107:17:271
81540rcu_preempt0-21swapper/008:24:330
81540rcu_preempt0-21swapper/007:22:090
81530rcu_preempt7816-21sshd08:42:230
89950520irq/17-ehci_hcd945-21usb-storage08:04:070
81520rcu_preempt13280-21df_inode09:04:230
81520rcu_preempt0-21swapper/008:50:250
81520rcu_preempt0-21swapper/008:44:400
81520rcu_preempt0-21swapper/008:14:080
81510rcu_preempt0-21swapper/007:39:320
81510rcu_preempt0-21swapper/007:19:050
81490rcu_preempt27042-21memory07:49:280
81480rcu_preempt25782-21memory07:44:270
81480rcu_preempt25782-21memory07:44:270
81480rcu_preempt0-21swapper/007:39:010
17438994845cyclictest945-21usb-storage07:24:210
17438994744cyclictest945-21usb-storage08:04:260
146550360irq/30-eth0-tx-3-21ksoftirqd/008:30:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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