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2026-05-05 - 03:28
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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 highest latencies:
System rackcslot3.osadl.org (updated Tue May 05, 2026 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81770rcu_preempt22404-21ssh21:13:421
81760rcu_preempt31970-21ssh21:30:391
81740rcu_preempt1044-21irqstats23:25:471
81720rcu_preempt18874-21df_abs23:00:421
81710rcu_preempt7867-21latency22:40:441
81710rcu_preempt19-21ksoftirqd/123:38:081
81710rcu_preempt13826-21ntp_states22:50:511
81700rcu_preempt29565-21munin-run19:40:271
81700rcu_preempt0-21swapper/019:05:410
81690rcu_preempt23445-1kworker/0:0H23:25:350
81690rcu_preempt19969-21diskmemload23:43:330
81690rcu_preempt19969-21diskmemload22:20:401
81690rcu_preempt0-21swapper/121:25:451
81690rcu_preempt0-21swapper/121:25:451
81690rcu_preempt0-21swapper/100:05:141
81690rcu_preempt0-21swapper/023:45:510
81680rcu_preempt0-21swapper/122:20:071
81680rcu_preempt0-21swapper/121:48:201
81680rcu_preempt0-21swapper/121:22:521
81680rcu_preempt0-21swapper/119:55:441
81670rcu_preempt13839-21ssh22:50:520
81670rcu_preempt0-21swapper/100:20:111
81670rcu_preempt0-21swapper/000:11:440
81660rcu_preempt30777-21sh00:18:450
81660rcu_preempt21150-21if_can019:05:441
81660rcu_preempt19969-21diskmemload21:30:460
81660rcu_preempt0-21swapper/122:29:251
81650rcu_preempt8180-21netstat20:20:470
81650rcu_preempt24485-21apt-get23:10:380
81650rcu_preempt20005-21/usr/sbin/munin22:05:420
81650rcu_preempt0-21swapper/119:52:061
81650rcu_preempt0-21swapper/021:40:040
81640rcu_preempt0-21swapper/122:10:471
81630rcu_preempt29840-21cpuspeed_turbos19:40:390
81630rcu_preempt0-21swapper/023:02:380
81630rcu_preempt0-21swapper/022:58:440
81620rcu_preempt0-21swapper/023:39:430
81610rcu_preempt0-21swapper/022:10:400
81600rcu_preempt0-21swapper/019:35:410
81590rcu_preempt3-21ksoftirqd/023:15:460
81590rcu_preempt0-21swapper/023:34:000
81590rcu_preempt0-21swapper/022:27:570
81590rcu_preempt0-21swapper/021:42:350
81590rcu_preempt0-21swapper/020:25:470
81580rcu_preempt20364-21df_abs21:10:400
81580rcu_preempt0-21swapper/022:35:030
81580rcu_preempt0-21swapper/022:20:510
81580rcu_preempt0-21swapper/021:59:020
81580rcu_preempt0-21swapper/000:21:340
81580rcu_preempt0-21swapper/000:08:440
146650580irq/31-eth0-tx-945-21usb-storage23:54:090
89950570irq/17-ehci_hcd945-21usb-storage23:20:211
81570rcu_preempt26573-21ssh22:16:100
81570rcu_preempt0-21swapper/022:00:320
81570rcu_preempt0-21swapper/020:15:490
81570rcu_preempt0-21swapper/019:20:500
22000995748cyclictest945-21usb-storage23:45:161
89950560irq/17-ehci_hcd945-21usb-storage00:31:031
81560rcu_preempt24917-21ssh21:17:140
81560rcu_preempt10340-21ssh00:40:100
81560rcu_preempt0-21swapper/020:55:420
81560rcu_preempt0-21swapper/019:15:410
22000995648cyclictest945-21usb-storage22:38:491
22000995648cyclictest945-21usb-storage22:01:421
22000995648cyclictest945-21usb-storage20:45:531
89550550irq/17-ehci_hcd171rcuc/121:40:411
81550rcu_preempt6058-21sshd20:11:470
81550rcu_preempt2563-21python22:30:511
81550rcu_preempt12395-21ssh21:50:560
81550rcu_preempt10008-21rm21:47:330
81550rcu_preempt0-21swapper/123:46:471
81550rcu_preempt0-21swapper/120:52:491
81550rcu_preempt0-21swapper/100:27:481
81550rcu_preempt0-21swapper/022:48:420
81550rcu_preempt0-21swapper/022:43:200
81550rcu_preempt0-21swapper/020:31:130
22000995547cyclictest945-21usb-storage20:43:481
22000995547cyclictest945-21usb-storage00:12:451
81540rcu_preempt6079-21ssh22:37:070
81540rcu_preempt31752-21ssh23:22:180
81540rcu_preempt24223-21ssh23:10:120
81540rcu_preempt21728-21ssh00:01:230
81540rcu_preempt16161-21sshd20:52:570
81540rcu_preempt0-21swapper/120:30:321
81540rcu_preempt0-21swapper/120:25:171
81540rcu_preempt0-21swapper/120:01:461
81540rcu_preempt0-21swapper/119:26:101
81540rcu_preempt0-21swapper/119:15:571
81540rcu_preempt0-21swapper/023:56:030
81540rcu_preempt0-21swapper/021:24:320
81540rcu_preempt0-21swapper/020:36:090
22000995446cyclictest945-21usb-storage23:59:381
81530rcu_preempt0-21swapper/121:09:471
81530rcu_preempt0-21swapper/120:06:001
81530rcu_preempt0-21swapper/021:27:160
81530rcu_preempt0-21swapper/021:27:160
81530rcu_preempt0-21swapper/019:26:120
81530rcu_preempt0-21swapper/000:27:520
22000995348cyclictest945-21usb-storage19:34:391
22000995345cyclictest945-21usb-storage23:13:071
22000995345cyclictest945-21usb-storage21:16:201
81520rcu_preempt6245-21ssh00:31:150
81520rcu_preempt0-21swapper/122:49:261
22000995249cyclictest945-21usb-storage23:24:351
22000995249cyclictest945-21usb-storage21:51:241
22000995249cyclictest945-21usb-storage21:37:121
22000995249cyclictest945-21usb-storage20:15:201
22000995249cyclictest945-21usb-storage00:20:421
22000995248cyclictest945-21usb-storage22:56:441
22000995248cyclictest945-21usb-storage22:06:331
22000995248cyclictest945-21usb-storage21:58:481
22000995248cyclictest945-21usb-storage00:06:591
22000995247cyclictest945-21usb-storage23:55:201
22000995245cyclictest945-21usb-storage20:19:401
22000995148cyclictest945-21usb-storage23:31:471
22000995148cyclictest945-21usb-storage23:06:091
22000995148cyclictest945-21usb-storage21:00:551
22000995148cyclictest945-21usb-storage20:35:431
22000995148cyclictest945-21usb-storage20:25:531
22000995148cyclictest945-21usb-storage19:43:481
22000995148cyclictest945-21usb-storage19:22:151
22000995148cyclictest945-21usb-storage00:36:001
22000995147cyclictest945-21usb-storage19:11:041
81500rcu_preempt2873-21irqstats20:00:460
81500rcu_preempt0-21swapper/021:04:080
22000995048cyclictest945-21usb-storage20:55:451
22000995047cyclictest945-21usb-storage19:47:471
81490rcu_preempt0-21swapper/021:09:470
81490rcu_preempt0-21swapper/020:49:280
81470rcu_preempt4011-21if_err_can120:05:440
81440rcu_preempt12541-21/usr/sbin/munin20:40:430
81430rcu_preempt27178-21/usr/sbin/munin19:30:500
81430rcu_preempt1337-21fw_conntrack19:55:420
81410rcu_preempt32092-21latency_hist19:50:270
89950360irq/17-ehci_hcd22268-21df19:10:410
146250350irq/28-eth0-rx-32224-21/usr/sbin/munin19:50:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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