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2023-12-01 - 04:36
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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 Fri Dec 01, 2023 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81910rcu_preempt14586-1kworker/0:1H19:16:220
81810rcu_preempt0-21swapper/119:13:211
81780rcu_preempt437-21ssh22:38:461
81730rcu_preempt30048-21/usr/sbin/munin20:58:221
81710rcu_preempt0-21swapper/121:03:581
81710rcu_preempt0-21swapper/023:48:570
81700rcu_preempt18381-21memory21:58:511
81700rcu_preempt0-21swapper/100:44:051
81700rcu_preempt0-21swapper/021:44:020
81690rcu_preempt31802-21ssh00:03:491
81690rcu_preempt22255-21ntp_states22:08:541
81690rcu_preempt0-21swapper/123:38:271
81690rcu_preempt0-21swapper/023:53:570
81690rcu_preempt0-21swapper/020:33:570
81680rcu_preempt27224-21ssh23:49:481
81680rcu_preempt0-21swapper/121:28:211
81670rcu_preempt8353-21ssh22:58:530
81670rcu_preempt0-21swapper/122:50:081
81670rcu_preempt0-21swapper/121:57:011
81670rcu_preempt0-21swapper/120:42:081
145350670irq/29-eth0-rx-0-21swapper/122:28:541
81660rcu_preempt13675-21ssh21:46:141
81660rcu_preempt0-21swapper/122:36:391
81660rcu_preempt0-21swapper/121:11:501
81660rcu_preempt0-21swapper/100:14:071
81650rcu_preempt0-21swapper/123:53:591
81650rcu_preempt0-21swapper/100:40:291
81650rcu_preempt0-21swapper/100:36:331
81640rcu_preempt6395-21ssh00:24:581
81640rcu_preempt0-21swapper/123:58:551
81640rcu_preempt0-21swapper/123:28:071
81640rcu_preempt0-21swapper/123:13:561
81640rcu_preempt0-21swapper/122:19:151
81640rcu_preempt0-21swapper/120:36:441
81640rcu_preempt0-21swapper/100:28:431
81640rcu_preempt0-21swapper/100:12:591
81640rcu_preempt0-21swapper/022:49:520
81640rcu_preempt0-21swapper/022:38:350
81640rcu_preempt0-21swapper/020:53:580
81640rcu_preempt0-21swapper/020:42:160
81630rcu_preempt0-21swapper/123:29:521
81630rcu_preempt0-21swapper/120:46:261
81630rcu_preempt0-21swapper/023:28:480
81630rcu_preempt0-21swapper/022:20:220
81630rcu_preempt0-21swapper/022:03:100
81630rcu_preempt0-21swapper/020:33:210
81620rcu_preempt20762-21ssh22:04:101
81620rcu_preempt0-21swapper/023:13:540
81620rcu_preempt0-21swapper/020:48:420
81610rcu_preempt5000-21latency_hist00:23:220
81610rcu_preempt0-21swapper/122:47:011
81610rcu_preempt0-21swapper/122:23:471
81610rcu_preempt0-21swapper/120:48:531
89850600irq/17-ehci_hcd945-21usb-storage20:01:431
81600rcu_preempt6078-21mailstats00:23:580
81600rcu_preempt3-21ksoftirqd/022:55:110
81600rcu_preempt11661-21ssh21:40:410
81600rcu_preempt0-21swapper/122:17:351
81600rcu_preempt0-21swapper/121:42:501
81600rcu_preempt0-21swapper/120:28:541
81600rcu_preempt0-21swapper/120:23:471
81600rcu_preempt0-21swapper/119:38:581
81600rcu_preempt0-21swapper/000:17:300
81590rcu_preempt8234-21missed_timers22:58:511
81590rcu_preempt7185-21ssh22:56:151
81590rcu_preempt24151-21ssh23:43:411
81590rcu_preempt21217-21sshd20:20:151
81590rcu_preempt0-21swapper/123:35:371
81590rcu_preempt0-21swapper/121:21:081
81590rcu_preempt0-21swapper/023:58:450
81590rcu_preempt0-21swapper/023:08:550
81590rcu_preempt0-21swapper/021:11:450
81590rcu_preempt0-21swapper/000:03:560
81580rcu_preempt9990-21irqstats23:03:511
81580rcu_preempt9813-21ssh21:35:311
81580rcu_preempt5702-21ntp_states19:18:541
81580rcu_preempt4092-21ssh21:19:420
81580rcu_preempt25287-21ssh23:44:060
81580rcu_preempt16590-21diskstats20:03:451
81580rcu_preempt15665-21ssh21:52:231
81580rcu_preempt0-21swapper/123:10:181
81580rcu_preempt0-21swapper/121:28:371
81580rcu_preempt0-21swapper/021:23:450
89850570irq/17-ehci_hcd945-21usb-storage19:48:471
81570rcu_preempt22660-21ssh22:09:120
81570rcu_preempt2195-21ssh00:11:240
81570rcu_preempt15296-21fw_conntrack23:18:451
81570rcu_preempt11698-21ssh00:39:350
81570rcu_preempt0-21swapper/119:29:251
81570rcu_preempt0-21swapper/000:28:540
81560rcu_preempt3482-21df00:18:391
81560rcu_preempt0-21swapper/121:14:351
81560rcu_preempt0-21swapper/120:14:271
81560rcu_preempt0-21swapper/119:33:421
81560rcu_preempt0-21swapper/022:23:510
81560rcu_preempt0-21swapper/021:33:530
81560rcu_preempt0-21swapper/021:13:510
81560rcu_preempt0-21swapper/019:58:210
81550rcu_preempt21920-21ssh23:36:480
81550rcu_preempt21183-21ssh22:07:240
81550rcu_preempt0-21swapper/022:30:460
81550rcu_preempt0-21swapper/021:48:550
81550rcu_preempt0-21swapper/020:18:490
81550rcu_preempt0-21swapper/019:43:540
81550rcu_preempt0-21swapper/019:39:130
81550rcu_preempt0-21swapper/019:18:550
81550rcu_preempt0-21swapper/000:35:190
81540rcu_preempt15758-21ssh23:18:530
81540rcu_preempt0-21swapper/119:46:331
81540rcu_preempt0-21swapper/023:04:140
81540rcu_preempt0-21swapper/020:23:470
81540rcu_preempt0-21swapper/019:28:120
81530rcu_preempt17384-21ssh21:56:270
81530rcu_preempt0-21swapper/023:23:470
81530rcu_preempt0-21swapper/022:46:190
81530rcu_preempt0-21swapper/022:13:500
81530rcu_preempt0-21swapper/019:33:570
81520rcu_preempt32349-21ssh22:37:300
81520rcu_preempt30264-21sort20:58:441
81520rcu_preempt19644-21ps20:13:570
81520rcu_preempt0-21swapper/020:45:200
81520rcu_preempt0-21swapper/000:48:100
81510rcu_preempt8054-21ssh21:31:110
81510rcu_preempt16661-21if_can120:03:480
81510rcu_preempt0-21swapper/023:41:050
81510rcu_preempt0-21swapper/021:01:540
81510rcu_preempt0-21swapper/019:52:250
81510rcu_preempt0-21swapper/019:31:220
4856995147cyclictest945-21usb-storage20:10:300
4856995047cyclictest945-21usb-storage19:58:590
81410rcu_preempt31911-21irqstats21:03:510
81390rcu_preempt14945-21kworker/1:220:08:471
145450360irq/30-eth0-tx-0-21swapper/119:24:461
81350rcu_preempt19-21ksoftirqd/119:53:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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