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2025-11-05 - 10:13
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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 Nov 05, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81870rcu_preempt5520-21rm00:05:571
81780rcu_preempt14099-21proc_pri19:11:081
81750rcu_preempt19-21ksoftirqd/121:33:051
81720rcu_preempt14075-21ssh00:21:550
81710rcu_preempt22081-21sh00:36:310
81710rcu_preempt0-21swapper/022:26:040
81710rcu_preempt0-21swapper/020:37:200
81710rcu_preempt0-21swapper/000:31:080
81700rcu_preempt0-21swapper/022:03:010
81690rcu_preempt20999-21ssh22:31:410
81690rcu_preempt0-21swapper/000:29:180
81680rcu_preempt28916-21ssh23:47:510
81680rcu_preempt13984-21apt-get23:20:560
81680rcu_preempt0-21swapper/022:59:320
81670rcu_preempt0-21swapper/121:46:101
81660rcu_preempt8483-21diskstats00:10:590
81660rcu_preempt0-21swapper/123:48:091
81660rcu_preempt0-21swapper/100:04:441
81660rcu_preempt0-21swapper/023:17:350
81660rcu_preempt0-21swapper/019:13:280
81650rcu_preempt0-21swapper/122:43:031
81650rcu_preempt0-21swapper/023:52:280
81650rcu_preempt0-21swapper/023:31:040
81640rcu_preempt9405-21ntp_states23:11:060
81640rcu_preempt3398-21sh22:00:100
81640rcu_preempt30656-21ssh21:50:580
81640rcu_preempt30656-21ssh21:50:580
81640rcu_preempt3-21ksoftirqd/000:43:000
81640rcu_preempt0-21swapper/023:09:510
81630rcu_preempt20180-21ssh22:31:041
81630rcu_preempt18938-21ssh21:27:531
81630rcu_preempt13811-21ssh21:19:391
81630rcu_preempt0-21swapper/021:01:020
81620rcu_preempt26157-21proc_pri21:41:080
81620rcu_preempt1708-21ssh23:57:271
81620rcu_preempt17016-21munin-run21:25:430
81620rcu_preempt0-21swapper/122:01:371
81620rcu_preempt0-21swapper/019:32:430
81610rcu_preempt6710-21fw_conntrack22:05:590
81610rcu_preempt32036-21ssh23:54:251
81610rcu_preempt2224-21snmpd20:17:381
81610rcu_preempt20284-21ssh00:34:201
81610rcu_preempt19063-21ssh21:28:180
81610rcu_preempt0-21swapper/123:18:011
81610rcu_preempt0-21swapper/122:52:231
81610rcu_preempt0-21swapper/122:12:181
81610rcu_preempt0-21swapper/121:53:221
81610rcu_preempt0-21swapper/121:53:221
81610rcu_preempt0-21swapper/100:40:151
81610rcu_preempt0-21swapper/023:39:000
81610rcu_preempt0-21swapper/022:12:310
81600rcu_preempt8591-21ssh00:11:021
81600rcu_preempt7628-21ssh22:06:221
81600rcu_preempt25978-21ssh23:41:581
81600rcu_preempt15794-21ssh21:22:041
81600rcu_preempt0-21swapper/100:45:121
81600rcu_preempt0-21swapper/100:27:301
81600rcu_preempt0-21swapper/100:16:041
81600rcu_preempt0-21swapper/022:49:200
81600rcu_preempt0-21swapper/019:27:200
81590rcu_preempt8733-21apt-get21:00:561
81590rcu_preempt3848-21ssh23:01:041
81590rcu_preempt22031-21munin-run19:45:430
81590rcu_preempt18948-21ssh22:28:461
81590rcu_preempt17898-21ssh23:26:270
81590rcu_preempt10272-21ssh23:12:461
81590rcu_preempt0-21swapper/123:25:531
81590rcu_preempt0-21swapper/123:21:041
81590rcu_preempt0-21swapper/122:22:551
81590rcu_preempt0-21swapper/122:16:071
81590rcu_preempt0-21swapper/121:36:181
81590rcu_preempt0-21swapper/120:31:071
81590rcu_preempt0-21swapper/119:21:101
81590rcu_preempt0-21swapper/021:18:570
81590rcu_preempt0-21swapper/020:06:000
81590rcu_preempt0-21swapper/000:04:480
81580rcu_preempt858-21df_inode22:55:591
81580rcu_preempt7322-21sshd20:52:201
81580rcu_preempt26944-21ssh21:42:451
81580rcu_preempt23817-21ssh23:38:241
81580rcu_preempt0-21swapper/123:09:171
81580rcu_preempt0-21swapper/122:46:391
81580rcu_preempt0-21swapper/122:36:431
81580rcu_preempt0-21swapper/120:46:061
81580rcu_preempt0-21swapper/120:40:061
81580rcu_preempt0-21swapper/119:51:011
81580rcu_preempt0-21swapper/023:41:060
81580rcu_preempt0-21swapper/022:53:140
81580rcu_preempt0-21swapper/022:19:140
89950570irq/17-ehci_hcd945-21usb-storage22:35:570
81570rcu_preempt31528-21latency20:21:080
81570rcu_preempt25134-21ssh21:40:430
81570rcu_preempt21093-21ssh23:33:121
81570rcu_preempt11083-21python21:11:041
81570rcu_preempt0-21swapper/122:00:421
81570rcu_preempt0-21swapper/120:01:551
81570rcu_preempt0-21swapper/119:59:311
81570rcu_preempt0-21swapper/119:16:021
81570rcu_preempt0-21swapper/022:23:080
81570rcu_preempt0-21swapper/021:47:520
81570rcu_preempt0-21swapper/019:51:200
81570rcu_preempt0-21swapper/000:08:460
81560rcu_preempt25942-21/usr/sbin/munin20:00:580
81560rcu_preempt0-21swapper/119:45:441
81560rcu_preempt0-21swapper/119:41:431
81560rcu_preempt0-21swapper/119:32:401
81560rcu_preempt0-21swapper/100:23:381
81560rcu_preempt0-21swapper/023:58:550
81560rcu_preempt0-21swapper/022:44:500
81560rcu_preempt0-21swapper/021:35:410
81560rcu_preempt0-21swapper/020:30:590
81560rcu_preempt0-21swapper/019:46:070
81560rcu_preempt0-21swapper/019:37:200
81550rcu_preempt0-21swapper/120:06:191
81550rcu_preempt0-21swapper/020:26:370
141050550irq/28-eth0-rx-41ktimersoftd/023:03:120
81540rcu_preempt894-21users20:26:141
81540rcu_preempt11853-21ssh00:16:300
81540rcu_preempt0-21swapper/120:56:341
81540rcu_preempt0-21swapper/020:11:050
81520rcu_preempt7000-21ps20:51:080
81520rcu_preempt25111-21if_eth119:56:020
81520rcu_preempt0-21swapper/120:21:231
81520rcu_preempt0-21swapper/020:56:140
81520rcu_preempt0-21swapper/020:44:290
81510rcu_preempt2224-21snmpd20:47:440
81510rcu_preempt16299-21if_eth119:21:030
81510rcu_preempt0-21swapper/121:07:281
81510rcu_preempt0-21swapper/019:19:290
14497995146cyclictest945-21usb-storage20:14:541
81500rcu_preempt10406-21df_inode21:10:540
14497995047cyclictest945-21usb-storage20:41:051
14497995047cyclictest945-21usb-storage19:36:141
14497995047cyclictest945-21usb-storage19:26:221
81480rcu_preempt29862-21df20:16:120
89950340irq/17-ehci_hcd945-21usb-storage21:10:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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