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2025-05-13 - 02:27
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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 Mon May 12, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
898501050irq/17-ehci_hcd3-21ksoftirqd/012:39:450
81890rcu_preempt1488-21ssh11:34:350
81730rcu_preempt2013-21diskmemload09:59:440
81730rcu_preempt0-21swapper/109:38:051
81730rcu_preempt0-21swapper/107:09:431
81720rcu_preempt28522-21uptime09:59:451
81710rcu_preempt0-21swapper/110:36:591
81710rcu_preempt0-21swapper/109:56:521
81710rcu_preempt0-21swapper/109:29:371
81700rcu_preempt31822-21sh10:09:490
81700rcu_preempt0-21swapper/111:58:521
81700rcu_preempt0-21swapper/009:58:190
81680rcu_preempt0-21swapper/109:16:211
81680rcu_preempt0-21swapper/011:56:140
89850670irq/17-ehci_hcd945-21usb-storage11:18:121
81670rcu_preempt25923-21fw_conntrack12:19:361
81670rcu_preempt0-21swapper/112:16:281
81670rcu_preempt0-21swapper/012:31:200
81670rcu_preempt0-21swapper/009:51:260
81660rcu_preempt7706-21ssh10:32:101
81660rcu_preempt4241-21diskstats11:39:331
81660rcu_preempt3245-21date10:19:360
81660rcu_preempt0-21swapper/112:43:521
81660rcu_preempt0-21swapper/111:24:281
81660rcu_preempt0-21swapper/111:10:111
81660rcu_preempt0-21swapper/108:48:261
81660rcu_preempt0-21swapper/009:32:430
81660rcu_preempt0-21swapper/007:39:460
81650rcu_preempt4304-21rm10:21:321
81650rcu_preempt18632-21ssh12:05:031
81650rcu_preempt0-21swapper/109:07:121
81650rcu_preempt0-21swapper/011:30:080
81650rcu_preempt0-21swapper/011:07:200
81650rcu_preempt0-21swapper/010:59:290
81650rcu_preempt0-21swapper/009:49:020
81650rcu_preempt0-21swapper/007:34:330
81640rcu_preempt2522-21ssh12:34:561
81640rcu_preempt0-21swapper/012:24:360
81640rcu_preempt0-21swapper/012:21:210
81640rcu_preempt0-21swapper/011:40:280
81640rcu_preempt0-21swapper/010:56:440
81640rcu_preempt0-21swapper/010:52:110
81640rcu_preempt0-21swapper/008:47:440
81640rcu_preempt0-21swapper/008:39:370
81640rcu_preempt0-21swapper/008:09:360
151050640irq/28-eth0-rx-41ktimersoftd/010:30:260
81630rcu_preempt5771-21ssh10:26:071
81630rcu_preempt2033-21ssh12:34:390
81630rcu_preempt17004-21ssh10:56:491
81630rcu_preempt15123-21ssh10:51:201
81630rcu_preempt0-21swapper/108:54:411
81630rcu_preempt0-21swapper/012:13:110
81630rcu_preempt0-21swapper/011:48:430
81630rcu_preempt0-21swapper/009:19:340
81620rcu_preempt4329-21kworker/0:107:09:340
81620rcu_preempt30972-21ssh10:07:211
81620rcu_preempt22522-21ssh12:13:541
81620rcu_preempt20599-21ssh09:45:271
81620rcu_preempt16236-21ssh12:00:571
81620rcu_preempt12951-21ssh10:44:211
81620rcu_preempt10538-21ssh09:28:591
81620rcu_preempt0-21swapper/011:50:100
81620rcu_preempt0-21swapper/009:14:300
81620rcu_preempt0-21swapper/008:24:370
81610rcu_preempt6955-21ssh09:21:401
81610rcu_preempt32716-21ssh10:12:561
81610rcu_preempt32162-21ssh11:30:121
81610rcu_preempt22917-21users09:49:451
81610rcu_preempt20988-21ssh11:06:051
81610rcu_preempt17940-21ssh09:40:581
81610rcu_preempt17888-21ssh10:59:211
81610rcu_preempt0-21swapper/111:35:481
81610rcu_preempt0-21swapper/011:26:180
81610rcu_preempt0-21swapper/010:04:180
81610rcu_preempt0-21swapper/007:49:410
89450600irq/17-ehci_hcd111rcuc/008:59:330
81600rcu_preempt8076-21/usr/sbin/munin09:24:410
81600rcu_preempt32493-21ssh12:30:561
81600rcu_preempt29010-21ntp_states12:24:401
81600rcu_preempt26854-21ssh11:20:101
81600rcu_preempt25435-21sh12:19:170
81600rcu_preempt24301-21ssh11:16:060
81600rcu_preempt22188-21diskstats08:24:351
81600rcu_preempt0-21swapper/111:50:561
81600rcu_preempt0-21swapper/111:46:291
81600rcu_preempt0-21swapper/110:41:291
81600rcu_preempt0-21swapper/007:19:350
81600rcu_preempt0-21swapper/007:14:380
81590rcu_preempt11741-21sshd07:43:521
81590rcu_preempt0-21swapper/110:15:231
81590rcu_preempt0-21swapper/108:44:041
81590rcu_preempt0-21swapper/108:05:121
81590rcu_preempt0-21swapper/107:51:001
81590rcu_preempt0-21swapper/107:32:051
81590rcu_preempt0-21swapper/009:04:390
81590rcu_preempt0-21swapper/008:34:390
81580rcu_preempt18853-21ssh09:43:480
81580rcu_preempt10037-21ssh10:39:060
81580rcu_preempt0-21swapper/108:09:571
81570rcu_preempt19321-21ssh12:07:240
81570rcu_preempt0-21swapper/109:10:131
81570rcu_preempt0-21swapper/109:10:131
81570rcu_preempt0-21swapper/108:49:201
81570rcu_preempt0-21swapper/108:31:551
81570rcu_preempt0-21swapper/107:25:011
81570rcu_preempt0-21swapper/012:02:010
81570rcu_preempt0-21swapper/010:15:000
81560rcu_preempt15325-21python07:54:451
81560rcu_preempt0-21swapper/108:21:331
81560rcu_preempt0-21swapper/010:46:410
81560rcu_preempt0-21swapper/007:44:320
89450550irq/17-ehci_hcd15506-21kworker/1:208:02:261
81550rcu_preempt27805-21ssh11:23:390
81550rcu_preempt0-21swapper/109:00:491
81550rcu_preempt0-21swapper/108:16:591
81550rcu_preempt0-21swapper/011:13:080
81550rcu_preempt0-21swapper/007:29:170
81540rcu_preempt6067-21ssh10:27:090
81540rcu_preempt12629-21ntp_states07:44:411
81540rcu_preempt11504-21ssh10:39:550
81530rcu_preempt4931-21memory07:14:401
81530rcu_preempt0-21swapper/009:09:390
81530rcu_preempt0-21swapper/009:09:390
81530rcu_preempt0-21swapper/007:59:410
423799532cyclictest0-21swapper/007:28:180
81520rcu_preempt0-21swapper/009:34:350
81520rcu_preempt0-21swapper/008:49:530
81520rcu_preempt0-21swapper/008:20:490
4238995248cyclictest945-21usb-storage07:23:031
81510rcu_preempt0-21swapper/008:14:360
81500rcu_preempt9655-21fw_forwarded_lo07:34:341
81490rcu_preempt23436-21diskstats08:29:330
81490rcu_preempt0-21swapper/008:59:160
81490rcu_preempt0-21swapper/007:57:320
423799462cyclictest16923-21apt-get08:04:280
4238993632cyclictest945-21usb-storage08:34:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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