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2026-01-01 - 19:16
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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 all highest latencies:
System rackcslot3.osadl.org (updated Thu Jan 01, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81940rcu_preempt25996-21ssh11:06:421
81830rcu_preempt32729-21ssh11:19:291
81760rcu_preempt0-21swapper/011:35:340
81710rcu_preempt12356-21sh12:36:100
81700rcu_preempt32502-21ssh10:22:260
81700rcu_preempt2274-21ntp_states09:31:160
81700rcu_preempt0-21swapper/007:11:140
81690rcu_preempt0-21swapper/007:20:500
81680rcu_preempt24696-21sh09:15:111
81680rcu_preempt12503-21/usr/sbin/munin11:41:130
81680rcu_preempt0-21swapper/112:04:051
81680rcu_preempt0-21swapper/109:26:081
81680rcu_preempt0-21swapper/011:24:040
81670rcu_preempt6258-21ssh09:37:551
81670rcu_preempt21877-21diskmemload10:09:030
81670rcu_preempt14220-21sh12:39:361
81670rcu_preempt14012-21mailstats10:46:170
81670rcu_preempt0-21swapper/109:24:171
81670rcu_preempt0-21swapper/011:28:420
81670rcu_preempt0-21swapper/010:42:570
81660rcu_preempt21877-21diskmemload10:24:291
81660rcu_preempt19-21ksoftirqd/108:36:181
81660rcu_preempt0-21swapper/010:04:070
81650rcu_preempt0-21swapper/010:40:090
81640rcu_preempt6583-21/usr/sbin/munin08:06:160
81640rcu_preempt31745-21ssh09:26:150
81640rcu_preempt21266-21ssh10:59:401
81640rcu_preempt0-21swapper/012:14:320
81630rcu_preempt30424-21ssh10:20:040
81630rcu_preempt11296-21ssh11:37:560
81630rcu_preempt0-21swapper/010:30:460
81630rcu_preempt0-21swapper/007:51:080
81630rcu_preempt0-21swapper/007:36:010
81620rcu_preempt8965-21ssh09:42:330
81620rcu_preempt4236-21/usr/sbin/munin08:01:010
81620rcu_preempt30608-21if_err_can007:36:081
81620rcu_preempt1819-21ssh11:21:141
81620rcu_preempt0-21swapper/112:11:281
81620rcu_preempt0-21swapper/109:50:501
81620rcu_preempt0-21swapper/108:46:041
81620rcu_preempt0-21swapper/108:05:561
81620rcu_preempt0-21swapper/107:06:151
81620rcu_preempt0-21swapper/012:33:180
81620rcu_preempt0-21swapper/007:40:590
81610rcu_preempt5335-21ssh12:23:580
81610rcu_preempt30625-21ssh09:25:340
81610rcu_preempt0-21swapper/108:31:141
81610rcu_preempt0-21swapper/012:16:090
81610rcu_preempt0-21swapper/010:52:220
81610rcu_preempt0-21swapper/010:00:210
81600rcu_preempt6143-21ssh11:29:181
81600rcu_preempt31921-21ssh11:17:000
81600rcu_preempt29132-21ssh11:12:210
81600rcu_preempt26642-21sh12:05:130
81600rcu_preempt22858-21ntp_kernel_pll_09:11:120
81600rcu_preempt22072-21df_abs11:01:061
81600rcu_preempt0-21swapper/110:53:331
81600rcu_preempt0-21swapper/110:40:221
81600rcu_preempt0-21swapper/109:56:461
81600rcu_preempt0-21swapper/109:52:331
81600rcu_preempt0-21swapper/011:49:590
81600rcu_preempt0-21swapper/010:58:210
81600rcu_preempt0-21swapper/010:32:130
81600rcu_preempt0-21swapper/009:54:540
81600rcu_preempt0-21swapper/009:16:390
81600rcu_preempt0-21swapper/009:07:290
81600rcu_preempt0-21swapper/008:21:140
81590rcu_preempt7604-21ssh12:27:180
81590rcu_preempt21943-21ssh10:05:461
81590rcu_preempt12797-21ssh11:41:071
81590rcu_preempt0-21swapper/111:54:001
81590rcu_preempt0-21swapper/110:32:421
81590rcu_preempt0-21swapper/110:15:171
81590rcu_preempt0-21swapper/108:56:101
81590rcu_preempt0-21swapper/009:01:200
81590rcu_preempt0-21swapper/008:46:080
81590rcu_preempt0-21swapper/008:39:180
81590rcu_preempt0-21swapper/007:46:060
81580rcu_preempt7151-21basename11:31:071
81580rcu_preempt3170-21df_abs07:56:010
81580rcu_preempt28602-21ssh12:07:300
81580rcu_preempt26723-21ssh11:08:510
81580rcu_preempt22066-21ps11:56:150
81580rcu_preempt11575-21ssh09:46:290
81580rcu_preempt0-21swapper/112:31:181
81580rcu_preempt0-21swapper/112:24:261
81580rcu_preempt0-21swapper/111:47:371
81580rcu_preempt0-21swapper/108:16:041
81580rcu_preempt0-21swapper/108:01:031
81580rcu_preempt0-21swapper/008:56:150
81580rcu_preempt0-21swapper/008:34:300
81570rcu_preempt9180-21ssh09:43:121
81570rcu_preempt8584-21ssh12:30:121
81570rcu_preempt29434-21ssh11:13:091
81570rcu_preempt28709-21ssh12:07:521
81570rcu_preempt2789-21ssh10:26:361
81570rcu_preempt25110-21/usr/sbin/munin09:16:021
81570rcu_preempt2439-21ssh12:18:571
81570rcu_preempt13051-21ssh10:45:551
81570rcu_preempt11793-21ssh10:42:271
81570rcu_preempt0-21swapper/111:36:011
81570rcu_preempt0-21swapper/109:01:041
81570rcu_preempt0-21swapper/108:51:131
81570rcu_preempt0-21swapper/107:41:121
81570rcu_preempt0-21swapper/011:05:450
81570rcu_preempt0-21swapper/010:15:370
81570rcu_preempt0-21swapper/007:28:370
81570rcu_preempt0-21swapper/007:20:480
81560rcu_preempt28626-21strings10:16:111
81560rcu_preempt23229-21ssh11:58:441
81560rcu_preempt19561-21ssh11:51:270
81560rcu_preempt0-21swapper/110:08:251
81560rcu_preempt0-21swapper/109:32:371
81560rcu_preempt0-21swapper/107:26:151
81560rcu_preempt0-21swapper/107:21:141
81560rcu_preempt0-21swapper/107:20:321
81560rcu_preempt0-21swapper/009:36:490
81560rcu_preempt0-21swapper/008:14:310
81560rcu_preempt0-21swapper/007:31:170
81550rcu_preempt0-21swapper/108:21:171
81550rcu_preempt0-21swapper/108:00:301
81550rcu_preempt0-21swapper/008:15:510
81550rcu_preempt0-21swapper/007:06:180
81540rcu_preempt1156-21ps07:46:131
81540rcu_preempt0-21swapper/108:26:091
81540rcu_preempt0-21swapper/008:41:270
81530rcu_preempt0-21swapper/108:41:061
81530rcu_preempt0-21swapper/107:51:061
81530rcu_preempt0-21swapper/008:52:040
81510rcu_preempt0-21swapper/107:33:421
81510rcu_preempt0-21swapper/107:15:061
81500rcu_preempt7332-21memory08:11:101
147650410irq/28-eth0-rx-0-21swapper/109:07:441
81340rcu_preempt3-21ksoftirqd/008:26:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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