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2025-03-16 - 22:53
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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 376 highest latencies:
System rackcslot3.osadl.org (updated Sun Mar 16, 2025 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81790rcu_preempt25442-21ssh11:35:531
81780rcu_preempt26061-21needreboot08:02:091
81770rcu_preempt24840-21kworker/1:211:37:001
89850760irq/17-ehci_hcd945-21usb-storage10:59:131
81760rcu_preempt0-21swapper/112:22:071
81750rcu_preempt0-21swapper/111:54:221
81750rcu_preempt0-21swapper/109:59:161
81750rcu_preempt0-21swapper/107:32:151
81740rcu_preempt0-21swapper/110:29:561
81730rcu_preempt1661-21kworker/0:207:07:080
81710rcu_preempt32055-21sh10:48:440
81710rcu_preempt10484-21diskmemload09:34:441
81700rcu_preempt11485-21latency_hist07:06:481
81700rcu_preempt1-21init10:02:071
81700rcu_preempt0-21swapper/112:14:551
81690rcu_preempt0-21swapper/009:21:090
81690rcu_preempt0-21swapper/007:52:100
81680rcu_preempt26535-21munin-run08:06:490
81680rcu_preempt20073-1kworker/0:1H09:16:130
81680rcu_preempt0-21swapper/012:37:160
81670rcu_preempt6092-21kernelversion08:52:111
81670rcu_preempt28808-21df_inode10:42:040
81660rcu_preempt0-21swapper/012:27:530
81660rcu_preempt0-21swapper/012:12:100
81650rcu_preempt3335-21ssh09:56:340
81650rcu_preempt26536-21cut11:37:090
81650rcu_preempt10484-21diskmemload11:13:500
81650rcu_preempt10484-21diskmemload11:02:130
81640rcu_preempt0-21swapper/012:25:150
81630rcu_preempt0-21swapper/011:52:320
81630rcu_preempt0-21swapper/008:09:380
81620rcu_preempt6769-21ssh12:00:260
81620rcu_preempt5372-21ssh10:57:400
81620rcu_preempt31255-21ssh11:45:470
81620rcu_preempt30332-21ssh09:45:230
81620rcu_preempt25067-21ssh10:36:100
81620rcu_preempt17108-21ssh12:18:210
81620rcu_preempt11116-21sshd10:11:090
81620rcu_preempt0-21swapper/012:32:110
81620rcu_preempt0-21swapper/009:29:460
81620rcu_preempt0-21swapper/009:03:070
81610rcu_preempt18655-21ssh10:22:140
81610rcu_preempt10669-21ssh11:08:530
81610rcu_preempt0-21swapper/010:52:040
81610rcu_preempt0-21swapper/008:36:060
89450600irq/17-ehci_hcd41ktimersoftd/012:10:580
81600rcu_preempt19724-21ssh11:23:380
81600rcu_preempt14074-21ssh10:15:410
81600rcu_preempt0-21swapper/110:42:531
81600rcu_preempt0-21swapper/109:41:131
81600rcu_preempt0-21swapper/010:37:460
81600rcu_preempt0-21swapper/010:27:530
81600rcu_preempt0-21swapper/009:09:310
81590rcu_preempt27735-21ssh09:41:360
81590rcu_preempt17053-21ssh10:20:450
81590rcu_preempt0-21swapper/012:03:010
81590rcu_preempt0-21swapper/009:47:510
81590rcu_preempt0-21swapper/008:19:140
89850580irq/17-ehci_hcd26708-21users10:37:201
81580rcu_preempt7456-21ntpq10:02:110
81580rcu_preempt23495-21ssh09:33:240
81580rcu_preempt0-21swapper/011:48:270
81580rcu_preempt0-21swapper/011:32:410
81580rcu_preempt0-21swapper/009:59:350
89850570irq/17-ehci_hcd945-21usb-storage08:11:371
81570rcu_preempt16949-21ssh11:19:061
81570rcu_preempt0-21swapper/112:08:191
81570rcu_preempt0-21swapper/108:12:011
81570rcu_preempt0-21swapper/011:30:090
81570rcu_preempt0-21swapper/008:47:560
81570rcu_preempt0-21swapper/008:22:380
81570rcu_preempt0-21swapper/007:57:110
81570rcu_preempt0-21swapper/007:12:040
81560rcu_preempt8922-21ssh12:03:031
81560rcu_preempt353-21ssh11:49:371
81560rcu_preempt32693-21ssh10:50:321
81560rcu_preempt29567-21ssh09:43:151
81560rcu_preempt28473-21ssh12:39:351
81560rcu_preempt28450-21sed08:12:100
81560rcu_preempt18864-21ssh10:22:191
81560rcu_preempt17231-21ssh11:19:510
81560rcu_preempt14711-21ssh10:17:011
81560rcu_preempt11389-21ssh11:10:491
81560rcu_preempt0-21swapper/112:33:541
81560rcu_preempt0-21swapper/111:44:161
81560rcu_preempt0-21swapper/111:11:491
81560rcu_preempt0-21swapper/111:04:481
81560rcu_preempt0-21swapper/110:55:281
81560rcu_preempt0-21swapper/110:34:301
81560rcu_preempt0-21swapper/110:13:441
81560rcu_preempt0-21swapper/109:53:031
81560rcu_preempt0-21swapper/109:24:051
81560rcu_preempt0-21swapper/109:16:161
81560rcu_preempt0-21swapper/109:02:071
81560rcu_preempt0-21swapper/107:51:071
81560rcu_preempt0-21swapper/107:42:061
81560rcu_preempt0-21swapper/107:37:061
81560rcu_preempt0-21swapper/107:12:111
81560rcu_preempt0-21swapper/009:23:210
81560rcu_preempt0-21swapper/008:37:160
81560rcu_preempt0-21swapper/007:45:050
81560rcu_preempt0-21swapper/007:28:060
81560rcu_preempt0-21swapper/007:17:310
81550rcu_preempt22197-21ssh11:30:121
81550rcu_preempt20216-21ssh09:27:281
81550rcu_preempt17892-21ssh12:20:391
81550rcu_preempt10538-21ssh10:09:391
81550rcu_preempt0-21swapper/112:28:171
81550rcu_preempt0-21swapper/109:18:071
81550rcu_preempt0-21swapper/108:37:111
81550rcu_preempt0-21swapper/107:22:101
81550rcu_preempt0-21swapper/107:17:161
81550rcu_preempt0-21swapper/008:45:590
81550rcu_preempt0-21swapper/008:30:060
81550rcu_preempt0-21swapper/007:22:090
81540rcu_preempt0-21swapper/111:57:211
81540rcu_preempt0-21swapper/111:23:201
81540rcu_preempt0-21swapper/109:46:571
81540rcu_preempt0-21swapper/108:27:031
81540rcu_preempt0-21swapper/107:58:021
81540rcu_preempt0-21swapper/007:48:060
81540rcu_preempt0-21swapper/007:38:060
81540rcu_preempt0-21swapper/007:36:150
81530rcu_preempt0-21swapper/108:26:111
81520rcu_preempt0-21swapper/109:09:271
81520rcu_preempt0-21swapper/108:36:111
81520rcu_preempt0-21swapper/009:01:070
81510rcu_preempt0-21swapper/108:49:061
81500rcu_preempt16883-21fw_conntrack07:27:051
81500rcu_preempt0-21swapper/008:53:060
12664994946cyclictest945-21usb-storage08:21:311
12664994643cyclictest945-21usb-storage09:00:591
89450390irq/17-ehci_hcd23988-21/usr/sbin/munin07:52:181
151050350irq/28-eth0-rx-3058-21ls08:41:481
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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