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2026-02-18 - 14:04
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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 Wed Feb 18, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81980rcu_preempt19-21ksoftirqd/122:38:251
81790rcu_preempt19-21ksoftirqd/123:16:381
81790rcu_preempt19-21ksoftirqd/121:47:341
81790rcu_preempt19-21ksoftirqd/100:34:131
81760rcu_preempt19-21ksoftirqd/122:16:171
81750rcu_preempt8033-21ntp_kernel_pll_23:53:221
81750rcu_preempt0-21swapper/121:59:001
81750rcu_preempt0-21swapper/021:19:470
81740rcu_preempt9939-21sh21:54:320
81740rcu_preempt29526-21munin-run22:33:001
81740rcu_preempt0-21swapper/123:26:261
81730rcu_preempt6249-21mailstats22:48:251
81730rcu_preempt0-21swapper/022:27:360
81720rcu_preempt8542-21ls22:53:201
81720rcu_preempt29947-21ntp_states23:33:231
81720rcu_preempt0-21swapper/123:04:371
81720rcu_preempt0-21swapper/023:40:210
81720rcu_preempt0-21swapper/023:40:210
81720rcu_preempt0-21swapper/019:08:170
81710rcu_preempt8289-21diskmemload22:53:180
81710rcu_preempt19-21ksoftirqd/100:12:131
81710rcu_preempt0-21swapper/121:52:111
81710rcu_preempt0-21swapper/023:15:100
81710rcu_preempt0-21swapper/021:45:330
81700rcu_preempt0-21swapper/121:53:461
81700rcu_preempt0-21swapper/022:18:040
81700rcu_preempt0-21swapper/021:25:070
81690rcu_preempt10045-21tr20:38:121
81690rcu_preempt0-21swapper/120:18:181
81690rcu_preempt0-21swapper/023:36:550
81680rcu_preempt19-21ksoftirqd/123:44:201
81680rcu_preempt13856-21timerwakeupswit00:03:281
81680rcu_preempt12311-21cron20:48:000
81670rcu_preempt2138-21snmpd23:00:190
81670rcu_preempt0-21swapper/121:03:151
81670rcu_preempt0-21swapper/121:03:151
81660rcu_preempt6218-21cut22:48:250
81660rcu_preempt19-21ksoftirqd/121:33:371
81660rcu_preempt0-21swapper/123:59:311
81660rcu_preempt0-21swapper/119:12:001
81650rcu_preempt20726-21apt-get19:13:130
81650rcu_preempt0-21swapper/123:29:311
81650rcu_preempt0-21swapper/021:13:150
81650rcu_preempt0-21swapper/019:48:080
81640rcu_preempt0-21swapper/000:33:530
81640rcu_preempt0-21swapper/000:03:140
81630rcu_preempt820-21sh20:03:001
81630rcu_preempt22374-21wc21:18:201
81630rcu_preempt0-21swapper/019:57:280
81630rcu_preempt0-21swapper/000:40:010
81630rcu_preempt0-21swapper/000:18:140
81630rcu_preempt0-21swapper/000:13:010
81620rcu_preempt558-21ssh21:38:150
81620rcu_preempt27722-21ssh23:28:370
81620rcu_preempt15929-21cpuspeed23:08:120
81620rcu_preempt0-21swapper/000:24:140
81610rcu_preempt16438-21ssh22:08:120
81610rcu_preempt0-21swapper/023:56:470
81610rcu_preempt0-21swapper/023:27:550
89850600irq/17-ehci_hcd24593-21kworker/1:221:27:201
81600rcu_preempt29928-21ssh21:33:050
81600rcu_preempt0-21swapper/021:29:400
81600rcu_preempt0-21swapper/000:10:340
81590rcu_preempt2349-21ssh22:42:170
81590rcu_preempt0-21swapper/021:09:560
81590rcu_preempt0-21swapper/020:48:080
81580rcu_preempt8030-21ssh21:52:150
81580rcu_preempt4751-21ssh22:46:250
81580rcu_preempt26910-21ssh00:31:010
81580rcu_preempt0-21swapper/022:13:140
81580rcu_preempt0-21swapper/019:28:240
89850570irq/17-ehci_hcd945-21usb-storage20:03:161
81570rcu_preempt3576-21apt-get20:13:120
81570rcu_preempt29228-21ssh22:31:520
81570rcu_preempt12547-21ssh21:59:440
81560rcu_preempt23281-21ssh23:21:560
81560rcu_preempt11242-21ssh23:58:420
81560rcu_preempt0-21swapper/022:33:150
81560rcu_preempt0-21swapper/022:04:030
81560rcu_preempt0-21swapper/020:58:200
81560rcu_preempt0-21swapper/020:58:200
81560rcu_preempt0-21swapper/020:18:240
81550rcu_preempt0-21swapper/019:47:360
89850540irq/17-ehci_hcd181ktimersoftd/122:43:011
81540rcu_preempt7104-21munin-run23:53:001
81540rcu_preempt6148-21ssh23:49:180
81540rcu_preempt26122-21if_can019:33:190
81540rcu_preempt23842-21latency19:23:200
81540rcu_preempt22713-21ntpq19:18:230
81540rcu_preempt0-21swapper/023:46:420
81540rcu_preempt0-21swapper/021:04:500
81540rcu_preempt0-21swapper/021:04:500
81540rcu_preempt0-21swapper/020:53:080
81540rcu_preempt0-21swapper/019:41:450
20599995449cyclictest13384-21kworker/1:020:48:561
89850530irq/17-ehci_hcd0-21swapper/123:09:451
81530rcu_preempt21746-21ssh23:18:191
81530rcu_preempt19-21ksoftirqd/121:40:331
81530rcu_preempt13545-21fw_conntrack23:03:170
81530rcu_preempt0-21swapper/020:29:300
89850520irq/17-ehci_hcd945-21usb-storage00:24:111
81520rcu_preempt6855-21ntp_states20:23:230
20599995249cyclictest945-21usb-storage19:18:391
89850510irq/17-ehci_hcd27471-21sh21:28:141
89050510irq/17-ehci_hcd609-21ssh23:38:581
89050510irq/17-ehci_hcd609-21ssh23:38:581
81510rcu_preempt19-21ksoftirqd/122:27:351
81510rcu_preempt10486-21memory20:38:190
81510rcu_preempt0-21swapper/020:33:240
20599995148cyclictest945-21usb-storage22:19:201
20599995148cyclictest181ktimersoftd/121:16:001
81500rcu_preempt19-21ksoftirqd/122:36:231
81500rcu_preempt19-21ksoftirqd/122:05:581
20599995047cyclictest24386-21kworker/1:019:27:521
20599995045cyclictest945-21usb-storage19:50:441
147950500irq/31-eth0-tx-0-21swapper/123:02:421
147950500irq/31-eth0-tx-0-21swapper/100:38:471
89050490irq/17-ehci_hcd16430-21apt-get22:08:121
81490rcu_preempt19-21ksoftirqd/100:18:391
2059899492cyclictest32138-21apt-get19:58:120
81470rcu_preempt2129-21users20:03:280
81470rcu_preempt19-21ksoftirqd/100:32:531
20599994744cyclictest25652-21kworker/1:119:36:241
2059899462cyclictest0-21swapper/020:10:140
89850450irq/17-ehci_hcd171rcuc/120:43:201
89850440irq/17-ehci_hcd171rcuc/120:08:251
81430rcu_preempt0-21swapper/100:14:281
81420rcu_preempt23097-21kworker/1:219:28:251
147950420irq/31-eth0-tx-6529-21if_err_wlan020:23:181
81410rcu_preempt19-21ksoftirqd/120:28:151
81410rcu_preempt0-21swapper/119:38:251
20599994037cyclictest945-21usb-storage20:37:401
20599994037cyclictest181ktimersoftd/119:53:241
147950400irq/31-eth0-tx-0-21swapper/120:58:261
147950400irq/31-eth0-tx-0-21swapper/120:58:261
89850390irq/17-ehci_hcd0-21swapper/121:10:571
20599993936cyclictest181ktimersoftd/119:43:151
20599993734cyclictest181ktimersoftd/119:13:261
147850360irq/30-eth0-tx-3573-21/usr/sbin/munin20:13:251
20599993431cyclictest181ktimersoftd/120:53:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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