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2026-06-23 - 04:11
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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 Jun 23, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81950rcu_preempt21843-21ssh23:52:501
89550790irq/17-ehci_hcd111rcuc/023:45:420
89950720irq/17-ehci_hcd171rcuc/119:09:591
81720rcu_preempt24556-21rm23:57:521
81720rcu_preempt11288-21ssh22:31:260
81720rcu_preempt11288-21ssh22:31:260
81710rcu_preempt8939-21sh23:28:540
81710rcu_preempt7495-21ssh21:24:520
81710rcu_preempt0-21swapper/122:40:021
81710rcu_preempt0-21swapper/100:02:381
81710rcu_preempt0-21swapper/023:08:160
81710rcu_preempt0-21swapper/022:11:440
81710rcu_preempt0-21swapper/022:00:080
81700rcu_preempt21896-21ssh22:51:260
81700rcu_preempt0-21swapper/100:15:031
81690rcu_preempt16687-21sh23:43:151
81690rcu_preempt1537-21kworker/0:119:09:510
81690rcu_preempt0-21swapper/122:45:001
81690rcu_preempt0-21swapper/122:19:521
81690rcu_preempt0-21swapper/100:41:341
81690rcu_preempt0-21swapper/021:46:130
81680rcu_preempt8759-21kworker/0:022:27:520
81680rcu_preempt0-21swapper/023:01:390
81670rcu_preempt0-21swapper/122:04:081
81670rcu_preempt0-21swapper/121:55:051
81670rcu_preempt0-21swapper/121:47:221
81670rcu_preempt0-21swapper/121:41:351
81670rcu_preempt0-21swapper/121:04:501
81670rcu_preempt0-21swapper/119:15:391
81670rcu_preempt0-21swapper/023:56:200
146250670irq/28-eth0-rx-181ktimersoftd/123:00:201
81660rcu_preempt8404-21/usr/sbin/munin00:29:360
81660rcu_preempt17319-21ssh23:44:471
81660rcu_preempt0-21swapper/122:15:101
81660rcu_preempt0-21swapper/121:04:271
81660rcu_preempt0-21swapper/000:44:280
81660rcu_preempt0-21swapper/000:17:360
89950650irq/17-ehci_hcd945-21usb-storage19:56:061
81650rcu_preempt31663-21fw_conntrack22:09:531
81650rcu_preempt27076-21switchtime20:44:590
81650rcu_preempt0-21swapper/122:54:221
81650rcu_preempt0-21swapper/122:37:461
81650rcu_preempt0-21swapper/100:23:371
81650rcu_preempt0-21swapper/021:20:510
81640rcu_preempt0-21swapper/123:10:011
81640rcu_preempt0-21swapper/122:04:541
81640rcu_preempt0-21swapper/021:04:150
81640rcu_preempt0-21swapper/000:23:470
81640rcu_preempt0-21swapper/000:10:520
81630rcu_preempt9362-21ntpq00:29:580
81630rcu_preempt3465-21ssh23:18:511
81630rcu_preempt15286-21df_inode22:39:510
81630rcu_preempt14855-21grep19:59:480
81630rcu_preempt0-21swapper/023:10:020
81630rcu_preempt0-21swapper/020:10:520
81620rcu_preempt22231-21munin-run20:29:340
81620rcu_preempt13707-21ssh21:35:191
81620rcu_preempt0-21swapper/123:28:191
81620rcu_preempt0-21swapper/123:21:201
81620rcu_preempt0-21swapper/121:26:491
81620rcu_preempt0-21swapper/120:24:351
81620rcu_preempt0-21swapper/023:59:590
81620rcu_preempt0-21swapper/023:15:010
81620rcu_preempt0-21swapper/022:35:000
81620rcu_preempt0-21swapper/022:24:030
81620rcu_preempt0-21swapper/021:34:190
81620rcu_preempt0-21swapper/000:39:050
146650620irq/31-eth0-tx-111rcuc/021:55:060
81610rcu_preempt6864-21ssh21:24:201
81610rcu_preempt26047-21sed20:44:351
81610rcu_preempt24963-21ssh22:57:401
81610rcu_preempt16096-21cpuspeed_turbos20:04:491
81610rcu_preempt11750-21ssh21:33:011
81610rcu_preempt0-21swapper/122:27:091
81610rcu_preempt0-21swapper/121:50:081
81610rcu_preempt0-21swapper/120:56:461
81610rcu_preempt0-21swapper/100:39:251
81610rcu_preempt0-21swapper/019:39:460
89950600irq/17-ehci_hcd945-21usb-storage00:07:351
81600rcu_preempt9328-21ssh23:29:470
81600rcu_preempt0-21swapper/123:36:511
81600rcu_preempt0-21swapper/123:31:361
81600rcu_preempt0-21swapper/119:29:481
81600rcu_preempt0-21swapper/100:09:561
81600rcu_preempt0-21swapper/023:39:270
146650600irq/31-eth0-tx-41ktimersoftd/023:43:180
81590rcu_preempt10987-21ssh22:30:161
81590rcu_preempt10987-21ssh22:30:161
81590rcu_preempt10435-21ssh00:32:221
81590rcu_preempt0-21swapper/120:10:361
81590rcu_preempt0-21swapper/119:44:401
81590rcu_preempt0-21swapper/119:24:511
81590rcu_preempt0-21swapper/100:24:371
81590rcu_preempt0-21swapper/022:48:450
81590rcu_preempt0-21swapper/022:15:010
81590rcu_preempt0-21swapper/021:49:500
81580rcu_preempt0-21swapper/121:19:211
81580rcu_preempt0-21swapper/120:34:081
81580rcu_preempt0-21swapper/120:01:171
81580rcu_preempt0-21swapper/119:49:481
81580rcu_preempt0-21swapper/119:21:081
81580rcu_preempt0-21swapper/021:15:040
81580rcu_preempt0-21swapper/021:09:540
81580rcu_preempt0-21swapper/019:49:520
81580rcu_preempt0-21swapper/019:34:450
146650580irq/31-eth0-tx-41ktimersoftd/023:53:330
81570rcu_preempt0-21swapper/123:05:351
81570rcu_preempt0-21swapper/021:41:130
81570rcu_preempt0-21swapper/021:35:460
81570rcu_preempt0-21swapper/020:34:570
81560rcu_preempt5059-21ssh23:20:060
81560rcu_preempt29440-21ssh22:05:000
81560rcu_preempt0-21swapper/120:37:451
81560rcu_preempt0-21swapper/119:41:001
81560rcu_preempt0-21swapper/119:35:381
81560rcu_preempt0-21swapper/020:49:510
89950550irq/17-ehci_hcd945-21usb-storage20:44:140
81550rcu_preempt24576-21ssh22:56:260
81550rcu_preempt0-21swapper/120:19:411
81540rcu_preempt27982-21ssh00:04:410
81540rcu_preempt0-21swapper/020:55:140
81530rcu_preempt28131-21ntp_states20:49:581
81530rcu_preempt23076-21ntpq20:29:570
81530rcu_preempt0-21swapper/021:05:220
81530rcu_preempt0-21swapper/019:32:040
81530rcu_preempt0-21swapper/019:18:510
81520rcu_preempt32601-21df21:09:511
81520rcu_preempt0-21swapper/020:16:300
81520rcu_preempt0-21swapper/019:44:520
81520rcu_preempt0-21swapper/019:23:220
81510rcu_preempt0-21swapper/020:09:240
81510rcu_preempt0-21swapper/019:59:230
81500rcu_preempt0-21swapper/019:28:510
3240995045cyclictest945-21usb-storage20:14:551
81480rcu_preempt0-21swapper/020:20:570
3240994339cyclictest945-21usb-storage20:46:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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