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2026-01-29 - 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 792 highest latencies:
System rackcslot3.osadl.org (updated Thu Jan 29, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81810rcu_preempt0-21swapper/119:08:011
81730rcu_preempt6764-21sendmail_mailqu19:47:281
81730rcu_preempt19-21ksoftirqd/122:52:251
81730rcu_preempt16423-21rm22:51:151
81710rcu_preempt27322-21diskmemload21:39:030
81710rcu_preempt26252-1kworker/0:0H21:26:110
81710rcu_preempt0-21swapper/023:12:380
81710rcu_preempt0-21swapper/023:07:130
81710rcu_preempt0-21swapper/022:54:560
81710rcu_preempt0-21swapper/022:12:330
81710rcu_preempt0-21swapper/000:25:580
81700rcu_preempt31216-21/usr/sbin/munin22:17:291
81700rcu_preempt31110-21apache200:15:401
81700rcu_preempt26252-1kworker/0:0H21:28:510
81700rcu_preempt0-21swapper/123:48:181
81700rcu_preempt0-21swapper/122:07:231
81700rcu_preempt0-21swapper/119:37:261
81700rcu_preempt0-21swapper/023:38:150
81700rcu_preempt0-21swapper/019:27:280
81700rcu_preempt0-21swapper/000:00:120
81690rcu_preempt32689-21sh21:20:470
81690rcu_preempt2818-21sh22:25:251
81690rcu_preempt24099-21diskmemload00:05:400
81690rcu_preempt0-21swapper/122:12:321
147950690irq/31-eth0-tx-181ktimersoftd/121:27:201
81680rcu_preempt0-21swapper/100:01:231
81680rcu_preempt0-21swapper/023:48:160
81680rcu_preempt0-21swapper/023:22:310
81670rcu_preempt8182-21ssh21:34:511
81670rcu_preempt0-21swapper/121:52:301
81670rcu_preempt0-21swapper/121:38:391
81670rcu_preempt0-21swapper/119:18:191
81670rcu_preempt0-21swapper/100:10:001
81660rcu_preempt14447-21ssh21:47:171
81660rcu_preempt0-21swapper/122:40:081
81650rcu_preempt6692-21ssh23:32:280
81650rcu_preempt19574-21cpu22:57:221
81650rcu_preempt0-21swapper/121:22:291
81640rcu_preempt593-21wc23:22:201
81640rcu_preempt0-21swapper/020:44:180
81630rcu_preempt3087-21ntp_kernel_pll_00:27:281
81630rcu_preempt2138-21snmpd00:38:281
81630rcu_preempt0-21swapper/022:02:560
81630rcu_preempt0-21swapper/020:12:240
81630rcu_preempt0-21swapper/000:30:060
81620rcu_preempt8689-21munin-run22:37:050
81620rcu_preempt7854-21ssh21:33:480
81620rcu_preempt32744-21sendmail23:22:061
81620rcu_preempt3266-21cpu23:27:191
81620rcu_preempt20045-21fw_forwarded_lo21:57:220
81620rcu_preempt0-21swapper/122:03:001
81620rcu_preempt0-21swapper/100:17:201
81620rcu_preempt0-21swapper/022:57:290
81620rcu_preempt0-21swapper/022:42:160
81620rcu_preempt0-21swapper/022:07:200
81620rcu_preempt0-21swapper/021:50:290
89850610irq/17-ehci_hcd945-21usb-storage19:32:291
81610rcu_preempt6253-21ssh00:33:021
81610rcu_preempt26653-21ssh23:09:491
81610rcu_preempt22028-21ssh00:02:091
81610rcu_preempt0-21swapper/123:39:431
81610rcu_preempt0-21swapper/122:32:311
81610rcu_preempt0-21swapper/121:20:281
81610rcu_preempt0-21swapper/120:52:261
81610rcu_preempt0-21swapper/120:17:201
81610rcu_preempt0-21swapper/023:03:400
89850600irq/17-ehci_hcd945-21usb-storage19:07:570
81600rcu_preempt31529-21mailstats19:17:290
81600rcu_preempt22076-21ssh23:02:111
81600rcu_preempt12919-21ssh23:43:541
81600rcu_preempt0-21swapper/123:32:131
81600rcu_preempt0-21swapper/121:02:211
81600rcu_preempt0-21swapper/119:42:231
147650600irq/28-eth0-rx-41ktimersoftd/021:15:350
81590rcu_preempt975-21ssh00:23:301
81590rcu_preempt5857-21ssh22:31:561
81590rcu_preempt32528-21ssh22:20:280
81590rcu_preempt29315-21ssh23:14:431
81590rcu_preempt13126-21ssh22:43:561
81590rcu_preempt11726-21ssh21:42:190
81590rcu_preempt0-21swapper/121:59:321
81590rcu_preempt0-21swapper/120:24:301
81590rcu_preempt0-21swapper/119:57:261
81590rcu_preempt0-21swapper/020:37:220
81590rcu_preempt0-21swapper/000:37:400
147950590irq/31-eth0-tx-28378-21rm00:14:370
81580rcu_preempt18373-21ssh23:54:091
81580rcu_preempt0-21swapper/121:12:251
81580rcu_preempt0-21swapper/119:28:301
81580rcu_preempt0-21swapper/022:49:030
81580rcu_preempt0-21swapper/020:22:280
81570rcu_preempt6585-21ssh00:34:200
81570rcu_preempt4591-21ssh23:28:120
81570rcu_preempt22150-21timerandwakeup20:47:311
81570rcu_preempt19441-21ssh21:56:400
81570rcu_preempt12787-21latency20:12:261
81570rcu_preempt0-21swapper/120:07:241
81570rcu_preempt0-21swapper/119:22:241
81570rcu_preempt0-21swapper/019:37:010
81560rcu_preempt5773-21sshd19:44:290
81560rcu_preempt24667-21ssh00:07:070
81560rcu_preempt18890-21ssh23:55:560
81560rcu_preempt14497-21grep20:17:320
81560rcu_preempt11305-21ssh22:41:520
81560rcu_preempt0-21swapper/121:44:341
81560rcu_preempt0-21swapper/120:38:261
81560rcu_preempt0-21swapper/119:53:491
81560rcu_preempt0-21swapper/023:17:460
81560rcu_preempt0-21swapper/020:36:290
81560rcu_preempt0-21swapper/020:27:400
81560rcu_preempt0-21swapper/019:25:240
89850550irq/17-ehci_hcd945-21usb-storage20:57:271
81550rcu_preempt4643-21ssh22:27:360
81550rcu_preempt2138-21snmpd19:53:270
81550rcu_preempt12974-21ssh23:44:040
81550rcu_preempt0-21swapper/120:03:021
81550rcu_preempt0-21swapper/020:57:180
81540rcu_preempt30473-21ssh00:17:420
81540rcu_preempt2050-21ssh22:22:390
81530rcu_preempt0-21swapper/020:54:120
81530rcu_preempt0-21swapper/020:49:290
81530rcu_preempt0-21swapper/019:48:480
81520rcu_preempt16312-21diskstats20:27:211
81520rcu_preempt11473-21irqstats20:07:250
81520rcu_preempt0-21swapper/120:42:531
81520rcu_preempt0-21swapper/021:02:410
81520rcu_preempt0-21swapper/020:01:380
81520rcu_preempt0-21swapper/019:12:240
81500rcu_preempt26195-21apt-get21:07:171
29234994634cyclictest945-21usb-storage19:38:240
89850420irq/17-ehci_hcd945-21usb-storage20:33:211
147950420irq/31-eth0-tx-26339-21df21:07:200
29234993632cyclictest945-21usb-storage20:02:220
147950350irq/31-eth0-tx-0-21swapper/119:12:491
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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