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2025-05-02 - 12:00
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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 all highest latencies:
System rackcslot3.osadl.org (updated Fri May 02, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81780rcu_preempt19-21ksoftirqd/122:11:451
81770rcu_preempt0-21swapper/023:19:330
89850750irq/17-ehci_hcd945-21usb-storage22:17:530
81720rcu_preempt11546-21sh23:47:030
151050720irq/28-eth0-rx-24383-21kworker/1:119:11:011
81710rcu_preempt2222-21ssh22:30:040
81710rcu_preempt0-21swapper/020:59:080
81690rcu_preempt5176-21ssh00:35:510
81690rcu_preempt0-21swapper/021:26:110
89850680irq/17-ehci_hcd32759-1kworker/0:2H00:04:050
81680rcu_preempt0-21swapper/122:43:411
81680rcu_preempt0-21swapper/121:51:141
81680rcu_preempt0-21swapper/023:24:120
81680rcu_preempt0-21swapper/019:59:450
89850670irq/17-ehci_hcd2363-21sh00:30:491
81670rcu_preempt5114-21irqstats19:59:121
81670rcu_preempt17841-21needreboot20:49:160
81670rcu_preempt0-21swapper/121:41:121
81670rcu_preempt0-21swapper/023:39:230
81660rcu_preempt0-21swapper/119:50:121
81660rcu_preempt0-21swapper/023:10:560
81660rcu_preempt0-21swapper/000:21:090
81650rcu_preempt21862-21ssh00:05:211
81650rcu_preempt1423-21needreboot00:29:120
81650rcu_preempt13075-21ssh23:49:171
81650rcu_preempt0-21swapper/123:33:011
81650rcu_preempt0-21swapper/123:14:351
81650rcu_preempt0-21swapper/019:09:100
81640rcu_preempt4814-21ssh00:34:401
81640rcu_preempt22303-21df_abs22:09:080
81640rcu_preempt20874-21ssh22:05:311
81640rcu_preempt0-21swapper/121:44:161
81640rcu_preempt0-21swapper/119:54:571
81640rcu_preempt0-21swapper/021:57:280
81640rcu_preempt0-21swapper/019:39:040
81630rcu_preempt16478-21ssh22:56:271
81630rcu_preempt0-21swapper/021:49:140
81630rcu_preempt0-21swapper/020:29:060
81630rcu_preempt0-21swapper/019:19:030
81620rcu_preempt6663-21ssh23:38:421
81620rcu_preempt31997-21ssh21:28:481
81620rcu_preempt22149-21ssh23:07:150
81620rcu_preempt2091-21snmpd22:59:031
81620rcu_preempt12077-21ssh23:48:501
81620rcu_preempt0-21swapper/122:44:211
81620rcu_preempt0-21swapper/100:43:241
81620rcu_preempt0-21swapper/020:54:180
81620rcu_preempt0-21swapper/000:12:510
81610rcu_preempt32759-1kworker/0:2H00:15:350
81610rcu_preempt19306-21ssh00:00:421
81610rcu_preempt0-21swapper/123:22:511
81610rcu_preempt0-21swapper/122:33:591
81610rcu_preempt0-21swapper/122:26:041
81610rcu_preempt0-21swapper/122:14:051
81610rcu_preempt0-21swapper/121:34:441
81610rcu_preempt0-21swapper/100:26:211
81610rcu_preempt0-21swapper/021:41:120
81610rcu_preempt0-21swapper/021:14:130
81600rcu_preempt29070-21ssh21:23:351
81600rcu_preempt29048-21ssh22:19:561
81600rcu_preempt24963-21ssh21:15:061
81600rcu_preempt19125-21ssh22:03:421
81600rcu_preempt16878-21switchtime20:44:220
81600rcu_preempt0-21swapper/122:50:201
81600rcu_preempt0-21swapper/120:33:451
81600rcu_preempt0-21swapper/023:37:510
81600rcu_preempt0-21swapper/022:59:050
81600rcu_preempt0-21swapper/022:19:150
81600rcu_preempt0-21swapper/021:59:160
81600rcu_preempt0-21swapper/021:04:090
81600rcu_preempt0-21swapper/019:44:210
81590rcu_preempt28999-21ssh21:23:220
81590rcu_preempt22782-21apt-get23:09:031
81590rcu_preempt20364-21df_abs23:04:071
81590rcu_preempt0-21swapper/121:53:551
81590rcu_preempt0-21swapper/121:29:501
81590rcu_preempt0-21swapper/120:24:101
81590rcu_preempt0-21swapper/119:44:081
81590rcu_preempt0-21swapper/100:22:171
81590rcu_preempt0-21swapper/023:49:480
81590rcu_preempt0-21swapper/022:50:310
81590rcu_preempt0-21swapper/021:35:030
81590rcu_preempt0-21swapper/000:41:030
151050590irq/28-eth0-rx-41ktimersoftd/022:05:580
89850580irq/17-ehci_hcd18840-21/usr/sbin/munin20:54:121
81580rcu_preempt7886-21sh23:39:171
81580rcu_preempt24331-21ssh00:09:331
81580rcu_preempt15798-21users22:54:200
81580rcu_preempt13432-21cpu20:34:040
81580rcu_preempt0-21swapper/123:28:421
81580rcu_preempt0-21swapper/120:14:081
81580rcu_preempt0-21swapper/023:29:150
81580rcu_preempt0-21swapper/023:15:150
81580rcu_preempt0-21swapper/022:25:380
81580rcu_preempt0-21swapper/020:41:230
81570rcu_preempt29437-21/usr/sbin/munin19:29:150
81570rcu_preempt29437-21/usr/sbin/munin19:29:150
81570rcu_preempt0-21swapper/122:29:151
81570rcu_preempt0-21swapper/120:19:151
81570rcu_preempt0-21swapper/100:18:061
81570rcu_preempt0-21swapper/022:45:480
81570rcu_preempt0-21swapper/019:54:230
81570rcu_preempt0-21swapper/000:23:530
81560rcu_preempt5056-21ssh22:35:160
81560rcu_preempt10503-21ssh21:47:400
81560rcu_preempt0-21swapper/123:56:501
81560rcu_preempt0-21swapper/020:19:140
81560rcu_preempt0-21swapper/020:04:080
81560rcu_preempt0-21swapper/019:49:190
81560rcu_preempt0-21swapper/000:01:590
81550rcu_preempt19936-21diskstats20:59:101
81550rcu_preempt0-21swapper/121:11:561
81550rcu_preempt0-21swapper/120:50:221
81550rcu_preempt0-21swapper/120:47:331
81550rcu_preempt0-21swapper/021:29:110
81550rcu_preempt0-21swapper/020:15:010
81540rcu_preempt23309-21sshd21:12:230
81540rcu_preempt15234-21df_abs23:54:080
81540rcu_preempt0-21swapper/119:24:111
81540rcu_preempt0-21swapper/020:09:140
89850530irq/17-ehci_hcd7612-21iwlist20:09:121
81530rcu_preempt31819-21users19:34:171
25539995345cyclictest945-21usb-storage19:14:070
81520rcu_preempt7742-21ssh22:39:440
81520rcu_preempt25927-21fw_forwarded_lo19:14:081
81500rcu_preempt27180-21fw_conntrack19:19:071
25544995047cyclictest945-21usb-storage19:30:501
25544995047cyclictest945-21usb-storage19:30:501
81490rcu_preempt21199-21df_inode21:04:101
25544994946cyclictest945-21usb-storage20:04:421
25544994845cyclictest945-21usb-storage20:39:131
81460rcu_preempt11495-21memory20:24:140
25544994440cyclictest945-21usb-storage20:34:141
89850430irq/17-ehci_hcd945-21usb-storage19:35:580
25539994138cyclictest945-21usb-storage19:27:380
25544994037cyclictest945-21usb-storage19:39:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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