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2025-12-26 - 10:32
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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 Fri Dec 26, 2025 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81720rcu_preempt0-21swapper/022:25:010
81710rcu_preempt16292-21rm22:10:141
81710rcu_preempt0-21swapper/000:05:560
81700rcu_preempt6398-21if_err_eth120:40:501
81690rcu_preempt17811-1kworker/1:1H21:31:351
81690rcu_preempt13448-21diskmemload23:00:590
81690rcu_preempt0-21swapper/119:50:501
81690rcu_preempt0-21swapper/023:18:020
81680rcu_preempt0-21swapper/022:26:240
81680rcu_preempt0-21swapper/022:04:380
81680rcu_preempt0-21swapper/021:14:550
81680rcu_preempt0-21swapper/000:28:470
81670rcu_preempt14668-21if_err_can019:05:491
81670rcu_preempt12008-21ssh22:58:071
81670rcu_preempt0-21swapper/123:27:431
81670rcu_preempt0-21swapper/100:39:041
81670rcu_preempt0-21swapper/023:22:290
81660rcu_preempt0-21swapper/123:10:521
81660rcu_preempt0-21swapper/122:35:271
81660rcu_preempt0-21swapper/119:55:531
81650rcu_preempt17810-1kworker/0:2H00:37:050
81650rcu_preempt0-21swapper/123:46:321
81650rcu_preempt0-21swapper/123:46:321
81650rcu_preempt0-21swapper/120:27:061
81650rcu_preempt0-21swapper/022:51:490
81640rcu_preempt0-21swapper/123:36:421
81640rcu_preempt0-21swapper/122:40:001
81640rcu_preempt0-21swapper/121:50:491
81640rcu_preempt0-21swapper/119:25:511
81640rcu_preempt0-21swapper/100:34:041
81640rcu_preempt0-21swapper/100:10:391
81640rcu_preempt0-21swapper/022:56:220
81640rcu_preempt0-21swapper/021:55:570
81640rcu_preempt0-21swapper/000:19:170
81630rcu_preempt28750-21wc23:25:590
81630rcu_preempt22312-21latency_hist22:20:321
81630rcu_preempt0-21swapper/122:00:581
81630rcu_preempt0-21swapper/120:32:331
81630rcu_preempt0-21swapper/119:23:261
81630rcu_preempt0-21swapper/020:32:340
81630rcu_preempt0-21swapper/019:10:190
81620rcu_preempt737-21munin-run20:20:320
81620rcu_preempt31043-21cat23:30:541
81620rcu_preempt0-21swapper/122:52:421
81620rcu_preempt0-21swapper/120:53:591
81620rcu_preempt0-21swapper/100:20:531
81620rcu_preempt0-21swapper/021:00:510
81610rcu_preempt6750-21ssh22:49:491
81610rcu_preempt3-21ksoftirqd/023:10:380
81610rcu_preempt23700-21ssh22:21:161
81610rcu_preempt0-21swapper/122:26:101
81610rcu_preempt0-21swapper/121:23:031
81610rcu_preempt0-21swapper/119:30:471
81610rcu_preempt0-21swapper/100:16:091
81610rcu_preempt0-21swapper/021:20:470
81600rcu_preempt8568-21ssh21:55:541
81600rcu_preempt5246-21ssh23:42:021
81600rcu_preempt3-21ksoftirqd/023:55:520
81600rcu_preempt29346-21grep21:35:521
81600rcu_preempt23183-21ssh21:25:540
81600rcu_preempt22131-21ssh22:20:180
81600rcu_preempt17986-21ssh21:16:090
81600rcu_preempt13448-21diskmemload22:15:180
81600rcu_preempt12164-21munin-run23:55:321
81600rcu_preempt0-21swapper/121:47:361
81600rcu_preempt0-21swapper/121:05:471
81600rcu_preempt0-21swapper/120:04:251
81600rcu_preempt0-21swapper/023:50:150
81600rcu_preempt0-21swapper/023:50:150
81600rcu_preempt0-21swapper/021:31:290
81600rcu_preempt0-21swapper/021:05:550
81600rcu_preempt0-21swapper/019:35:530
81590rcu_preempt2863-21ssh22:41:291
81590rcu_preempt28350-21ssh00:22:280
81590rcu_preempt17433-21ssh00:03:581
81590rcu_preempt0-21swapper/123:55:511
81590rcu_preempt0-21swapper/123:05:501
81590rcu_preempt0-21swapper/121:13:511
81590rcu_preempt0-21swapper/100:06:191
81590rcu_preempt0-21swapper/023:52:300
81590rcu_preempt0-21swapper/022:47:460
81590rcu_preempt0-21swapper/021:39:570
81580rcu_preempt8377-21sshd20:48:591
81580rcu_preempt3-21ksoftirqd/023:31:130
81580rcu_preempt2138-21snmpd00:03:090
81580rcu_preempt16329-21ssh22:10:210
81580rcu_preempt1121-21ssh22:40:100
81580rcu_preempt0-21swapper/123:00:491
81580rcu_preempt0-21swapper/121:43:381
81580rcu_preempt0-21swapper/121:27:401
81580rcu_preempt0-21swapper/120:10:501
81580rcu_preempt0-21swapper/100:27:111
81580rcu_preempt0-21swapper/021:48:050
81580rcu_preempt0-21swapper/020:55:590
81570rcu_preempt4735-21/usr/sbin/munin20:35:481
81570rcu_preempt3533-21ssh22:43:440
81570rcu_preempt26022-21ssh23:21:321
81570rcu_preempt17724-21ssh23:07:320
81570rcu_preempt0-21swapper/123:16:091
81570rcu_preempt0-21swapper/122:12:461
81570rcu_preempt0-21swapper/121:17:191
81570rcu_preempt0-21swapper/120:22:351
81570rcu_preempt0-21swapper/119:10:331
81570rcu_preempt0-21swapper/000:30:370
81560rcu_preempt0-21swapper/120:58:551
81560rcu_preempt0-21swapper/119:38:051
81560rcu_preempt0-21swapper/119:20:231
81560rcu_preempt0-21swapper/022:32:130
81560rcu_preempt0-21swapper/021:44:360
81550rcu_preempt13448-21diskmemload23:36:430
81550rcu_preempt0-21swapper/121:04:511
81550rcu_preempt0-21swapper/120:17:031
81550rcu_preempt0-21swapper/120:06:221
81550rcu_preempt0-21swapper/119:44:471
81550rcu_preempt0-21swapper/021:51:250
81540rcu_preempt6032-21ssh23:44:270
81540rcu_preempt0-21swapper/020:25:520
81540rcu_preempt0-21swapper/020:20:580
81540rcu_preempt0-21swapper/000:10:530
81530rcu_preempt21489-21proc_pri19:30:540
81530rcu_preempt17430-21memory19:15:520
81530rcu_preempt0-21swapper/119:49:031
81530rcu_preempt0-21swapper/019:55:540
81520rcu_preempt0-21swapper/020:52:290
81520rcu_preempt0-21swapper/020:06:590
81510rcu_preempt0-21swapper/020:42:340
81510rcu_preempt0-21swapper/020:15:310
15473995148cyclictest945-21usb-storage20:45:490
15473995148cyclictest945-21usb-storage19:20:460
81500rcu_preempt29410-21latency_hist20:05:320
15473995047cyclictest945-21usb-storage19:45:510
81470rcu_preempt0-21swapper/020:35:460
81460rcu_preempt23963-21ntp_states19:40:540
15473994543cyclictest945-21usb-storage19:50:500
15473994341cyclictest945-21usb-storage19:10:540
147750290irq/29-eth0-rx-2138-21snmpd19:27:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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