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2025-12-04 - 00:28
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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 376 highest latencies:
System rackcslot3.osadl.org (updated Wed Dec 03, 2025 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81760rcu_preempt0-21swapper/107:05:021
81700rcu_preempt9573-21df_abs10:05:000
81700rcu_preempt27204-21ssh11:34:310
81690rcu_preempt29357-21sh11:37:360
81690rcu_preempt0-21swapper/012:19:590
81690rcu_preempt0-21swapper/011:42:300
81680rcu_preempt0-21swapper/010:40:070
81670rcu_preempt21737-21sh12:21:211
81670rcu_preempt14675-21rm12:09:590
81670rcu_preempt0-21swapper/111:42:031
81670rcu_preempt0-21swapper/110:20:041
81660rcu_preempt6496-21munin-run08:54:450
81660rcu_preempt25919-21ssh10:34:060
81660rcu_preempt25919-21ssh10:34:060
81660rcu_preempt0-21swapper/111:12:261
81660rcu_preempt0-21swapper/110:03:151
81660rcu_preempt0-21swapper/109:10:291
81660rcu_preempt0-21swapper/010:22:240
81650rcu_preempt27528-21ssh12:31:391
81650rcu_preempt0-21swapper/111:00:051
81650rcu_preempt0-21swapper/108:14:391
81640rcu_preempt5365-21apt-get08:49:561
81640rcu_preempt23897-21processes12:25:101
81640rcu_preempt13533-21ssh12:06:521
81640rcu_preempt0-21swapper/111:25:321
81640rcu_preempt0-21swapper/110:32:331
81640rcu_preempt0-21swapper/110:32:331
81640rcu_preempt0-21swapper/107:29:181
151450640irq/28-eth0-rx-41ktimersoftd/009:40:480
81630rcu_preempt25093-21ssh11:30:031
81630rcu_preempt22861-21ssh09:30:091
81630rcu_preempt0-21swapper/111:19:151
81630rcu_preempt0-21swapper/111:08:551
81630rcu_preempt0-21swapper/110:52:551
81630rcu_preempt0-21swapper/110:18:281
81630rcu_preempt0-21swapper/109:54:361
81630rcu_preempt0-21swapper/009:48:430
81620rcu_preempt9674-21ssh12:00:040
81620rcu_preempt0-21swapper/107:30:031
81620rcu_preempt0-21swapper/107:23:391
81620rcu_preempt0-21swapper/011:55:070
81620rcu_preempt0-21swapper/007:15:010
81610rcu_preempt0-21swapper/111:22:421
81610rcu_preempt0-21swapper/110:10:361
81610rcu_preempt0-21swapper/109:48:131
81610rcu_preempt0-21swapper/109:35:121
81610rcu_preempt0-21swapper/012:27:270
81610rcu_preempt0-21swapper/011:46:170
81610rcu_preempt0-21swapper/010:45:130
81600rcu_preempt2235-21snmpd07:39:000
81600rcu_preempt0-21swapper/110:55:091
81600rcu_preempt0-21swapper/110:37:191
81600rcu_preempt0-21swapper/008:20:100
81590rcu_preempt6165-21ssh09:58:471
81590rcu_preempt29793-21ssh09:43:131
81590rcu_preempt2297-21sshd08:35:071
81590rcu_preempt21064-21if_can110:25:021
81590rcu_preempt0-21swapper/112:11:021
81590rcu_preempt0-21swapper/112:00:011
81590rcu_preempt0-21swapper/111:46:081
81590rcu_preempt0-21swapper/110:45:101
81590rcu_preempt0-21swapper/109:20:081
81590rcu_preempt0-21swapper/107:45:081
81590rcu_preempt0-21swapper/011:05:010
81580rcu_preempt28728-21ssh11:35:291
81580rcu_preempt10284-21diskmemload09:29:240
81580rcu_preempt0-21swapper/109:00:061
81580rcu_preempt0-21swapper/108:40:101
81580rcu_preempt0-21swapper/108:00:011
81580rcu_preempt0-21swapper/107:55:101
81580rcu_preempt0-21swapper/011:50:090
81580rcu_preempt0-21swapper/009:13:480
81570rcu_preempt32121-21kworker/0:207:05:040
81570rcu_preempt30906-21ssh12:38:380
81570rcu_preempt23256-21ntpq07:50:061
81570rcu_preempt13422-21ssh09:14:480
81570rcu_preempt0-21swapper/112:39:281
81570rcu_preempt0-21swapper/111:52:251
81570rcu_preempt0-21swapper/110:07:151
81570rcu_preempt0-21swapper/109:27:001
81570rcu_preempt0-21swapper/108:55:001
81570rcu_preempt0-21swapper/107:35:111
81570rcu_preempt0-21swapper/010:34:500
81570rcu_preempt0-21swapper/009:35:070
81570rcu_preempt0-21swapper/007:40:010
81560rcu_preempt5223-21ssh09:55:560
81560rcu_preempt20797-21ssh11:21:480
81560rcu_preempt15096-21ssh11:11:210
81560rcu_preempt10284-21diskmemload11:02:490
81560rcu_preempt0-21swapper/111:59:151
81560rcu_preempt0-21swapper/107:10:081
81560rcu_preempt0-21swapper/012:30:460
81560rcu_preempt0-21swapper/011:16:040
81560rcu_preempt0-21swapper/010:17:120
81560rcu_preempt0-21swapper/007:24:100
81550rcu_preempt9174-21ssh10:04:360
81550rcu_preempt6402-21ssh10:55:210
81550rcu_preempt2667-21ssh09:51:550
81550rcu_preempt2660-21if_can010:50:020
81550rcu_preempt14256-21ntp_states09:15:071
81550rcu_preempt10284-21diskmemload10:14:240
81550rcu_preempt0-21swapper/108:47:071
81550rcu_preempt0-21swapper/108:31:071
81550rcu_preempt0-21swapper/108:05:401
81550rcu_preempt0-21swapper/012:05:540
81550rcu_preempt0-21swapper/011:29:090
81550rcu_preempt0-21swapper/010:25:280
81550rcu_preempt0-21swapper/009:31:120
81550rcu_preempt0-21swapper/009:20:020
81550rcu_preempt0-21swapper/008:35:080
81550rcu_preempt0-21swapper/007:24:570
81540rcu_preempt31037-21ssh10:42:321
81540rcu_preempt0-21swapper/109:07:491
81540rcu_preempt0-21swapper/108:20:011
81540rcu_preempt0-21swapper/107:39:481
81540rcu_preempt0-21swapper/008:40:010
81530rcu_preempt24512-21ntp_states07:55:070
81530rcu_preempt19336-21ssh12:17:260
81530rcu_preempt0-21swapper/107:16:071
81530rcu_preempt0-21swapper/008:45:000
81530rcu_preempt0-21swapper/007:49:370
151850530irq/30-eth0-tx-946-21usb-storage07:49:520
81510rcu_preempt19081-21ssh12:16:341
81510rcu_preempt0-21swapper/009:00:070
81510rcu_preempt0-21swapper/008:05:080
81500rcu_preempt10238-21users09:05:100
81490rcu_preempt31856-21irqstats08:25:040
12302994947cyclictest946-21usb-storage07:10:040
81480rcu_preempt29084-21diskstats08:15:000
81470rcu_preempt2235-21snmpd08:14:581
12302994643cyclictest946-21usb-storage08:10:030
81450rcu_preempt25332-21fw_conntrack08:00:040
12302994543cyclictest946-21usb-storage08:30:010
12302994542cyclictest946-21usb-storage07:30:040
151950350irq/31-eth0-tx-29941-21kworker/1:008:26:141
12302993330cyclictest946-21usb-storage08:55:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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