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2025-10-16 - 05:10
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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 100 highest latencies:
System rackcslot3.osadl.org (updated Thu Oct 16, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81770rcu_preempt0-21swapper/021:32:310
81750rcu_preempt19-21ksoftirqd/121:27:181
81730rcu_preempt10965-21fw_conntrack22:50:070
81720rcu_preempt28323-21sh21:23:410
81710rcu_preempt0-21swapper/019:50:080
81710rcu_preempt0-21swapper/019:15:170
81700rcu_preempt31765-21sh22:29:260
81700rcu_preempt0-21swapper/023:16:490
81690rcu_preempt5007-21sh23:38:550
81690rcu_preempt0-21swapper/021:43:530
81680rcu_preempt8665-21k10sensors20:10:170
81680rcu_preempt0-21swapper/023:51:090
81680rcu_preempt0-21swapper/021:39:330
81670rcu_preempt6208-21ntp_states23:40:120
81660rcu_preempt25185-21diskstats19:10:071
81650rcu_preempt28348-21ssh23:20:571
81650rcu_preempt21377-21munin-run00:09:520
81650rcu_preempt0-21swapper/123:41:011
81650rcu_preempt0-21swapper/122:48:491
81650rcu_preempt0-21swapper/120:45:231
81640rcu_preempt0-21swapper/123:36:541
81640rcu_preempt0-21swapper/122:33:331
81640rcu_preempt0-21swapper/023:45:100
81640rcu_preempt0-21swapper/020:30:160
81640rcu_preempt0-21swapper/019:12:210
81630rcu_preempt20548-21ssh22:08:471
81630rcu_preempt15030-21ssh23:56:411
81630rcu_preempt0-21swapper/023:11:270
81620rcu_preempt30411-21memory23:25:130
81620rcu_preempt28048-21ssh22:21:151
81620rcu_preempt22259-21ssh22:10:251
81620rcu_preempt20422-21ssh00:06:541
81620rcu_preempt18822-21ssh23:04:581
81620rcu_preempt17510-21ssh00:00:531
81620rcu_preempt0-21swapper/122:54:381
81620rcu_preempt0-21swapper/000:30:190
81610rcu_preempt7168-21ssh00:43:521
81610rcu_preempt27791-21fw_forwarded_lo19:20:090
81610rcu_preempt26167-21ssh22:19:091
81610rcu_preempt10293-1kworker/0:2H00:02:450
81610rcu_preempt0-21swapper/123:10:301
81610rcu_preempt0-21swapper/121:49:001
81610rcu_preempt0-21swapper/121:35:211
81610rcu_preempt0-21swapper/100:34:441
81610rcu_preempt0-21swapper/100:15:131
81610rcu_preempt0-21swapper/021:49:490
89950600irq/17-ehci_hcd945-21usb-storage22:42:491
81600rcu_preempt6302-21ssh21:41:331
81600rcu_preempt31647-21ssh22:29:051
81600rcu_preempt23111-21ssh00:11:331
81600rcu_preempt14118-21ssh22:55:161
81600rcu_preempt12197-21ssh23:51:191
81600rcu_preempt11554-21ssh21:50:541
81600rcu_preempt0-21swapper/123:03:241
81600rcu_preempt0-21swapper/119:46:361
81600rcu_preempt0-21swapper/119:15:151
81600rcu_preempt0-21swapper/100:35:151
81600rcu_preempt0-21swapper/100:25:091
81600rcu_preempt0-21swapper/022:30:060
81600rcu_preempt0-21swapper/022:15:170
81600rcu_preempt0-21swapper/000:39:580
141150600irq/29-eth0-rx-0-21swapper/023:24:030
81590rcu_preempt31179-21ssh00:27:590
81590rcu_preempt27321-21ssh21:20:531
81590rcu_preempt25239-21ssh00:15:280
81590rcu_preempt22355-21ntpdc00:10:190
81590rcu_preempt0-21swapper/123:30:341
81590rcu_preempt0-21swapper/123:25:371
81590rcu_preempt0-21swapper/122:38:361
81590rcu_preempt0-21swapper/122:02:061
81590rcu_preempt0-21swapper/121:16:121
81590rcu_preempt0-21swapper/120:25:161
81590rcu_preempt0-21swapper/120:20:171
81590rcu_preempt0-21swapper/120:00:141
81590rcu_preempt0-21swapper/119:25:101
81590rcu_preempt0-21swapper/023:00:070
81590rcu_preempt0-21swapper/021:52:060
81590rcu_preempt0-21swapper/020:25:180
81590rcu_preempt0-21swapper/019:44:520
26088995948cyclictest945-21usb-storage20:33:541
81580rcu_preempt563-21ssh21:31:201
81580rcu_preempt32690-21ssh23:30:090
81580rcu_preempt29017-21cron00:24:520
81580rcu_preempt0-21swapper/121:55:271
81580rcu_preempt0-21swapper/121:10:061
81580rcu_preempt0-21swapper/120:35:141
81580rcu_preempt0-21swapper/100:22:261
81580rcu_preempt0-21swapper/023:55:150
81580rcu_preempt0-21swapper/022:58:380
81580rcu_preempt0-21swapper/022:00:060
81580rcu_preempt0-21swapper/020:45:050
81580rcu_preempt0-21swapper/019:33:530
81570rcu_preempt6497-21ssh22:41:040
81570rcu_preempt15483-21df_abs20:40:030
81570rcu_preempt10395-21ssh23:49:241
81570rcu_preempt0-21swapper/119:50:131
81570rcu_preempt0-21swapper/022:14:300
81570rcu_preempt0-21swapper/021:17:080
81570rcu_preempt0-21swapper/021:10:140
81560rcu_preempt9263-21fw_conntrack20:15:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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