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2025-10-24 - 06:30
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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 rack4slot4.osadl.org (updated Fri Oct 24, 2025 00:54:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71710rcu_preempt0-21swapper/322:46:403
71710rcu_preempt0-21swapper/322:46:403
71650rcu_preempt0-21swapper/023:43:150
71650rcu_preempt0-21swapper/023:43:150
71480rcu_preempt0-21swapper/022:44:360
71480rcu_preempt0-21swapper/022:44:360
71450rcu_preempt0-21swapper/122:57:141
71450rcu_preempt0-21swapper/122:57:141
46050450irq/122-QManpo5507-2109:24:360
71440rcu_preempt0-21swapper/221:12:202
71440rcu_preempt0-21swapper/221:12:202
71420rcu_preempt0-21swapper/120:25:231
71420rcu_preempt0-21swapper/120:25:231
71420rcu_preempt0-21swapper/120:25:231
71400rcu_preempt0-21swapper/100:48:401
71400rcu_preempt0-21swapper/100:48:401
71390rcu_preempt22996-21seq21:43:402
71390rcu_preempt22996-21seq21:43:402
71390rcu_preempt22996-21seq21:43:402
71390rcu_preempt0-21swapper/319:52:303
71390rcu_preempt0-21swapper/319:52:303
71390rcu_preempt0-21swapper/222:43:442
71390rcu_preempt0-21swapper/222:43:442
71390rcu_preempt0-21swapper/022:38:060
71390rcu_preempt0-21swapper/022:38:060
71390rcu_preempt0-21swapper/022:38:060
71390rcu_preempt0-21swapper/021:37:170
71390rcu_preempt0-21swapper/021:37:170
71390rcu_preempt0-21swapper/021:37:170
71380rcu_preempt29882-21apt-get22:57:272
71380rcu_preempt29882-21apt-get22:57:272
71380rcu_preempt20262-21sh00:37:261
71380rcu_preempt20262-21sh00:37:261
71380rcu_preempt1700-1kworker/0:1H21:02:290
71380rcu_preempt1700-1kworker/0:1H21:02:290
71380rcu_preempt1700-1kworker/0:1H21:02:290
71380rcu_preempt0-21swapper/222:39:052
71380rcu_preempt0-21swapper/222:39:052
71380rcu_preempt0-21swapper/222:39:052
71380rcu_preempt0-21swapper/222:25:382
71380rcu_preempt0-21swapper/222:25:382
71380rcu_preempt0-21swapper/222:16:542
71380rcu_preempt0-21swapper/222:16:542
71380rcu_preempt0-21swapper/200:51:292
71380rcu_preempt0-21swapper/200:51:292
71380rcu_preempt0-21swapper/200:33:182
71380rcu_preempt0-21swapper/200:33:182
71380rcu_preempt0-21swapper/123:32:521
71380rcu_preempt0-21swapper/123:32:521
71380rcu_preempt0-21swapper/122:42:271
71380rcu_preempt0-21swapper/122:42:271
71380rcu_preempt0-21swapper/021:52:160
71380rcu_preempt0-21swapper/021:52:160
71370rcu_preempt15041-21sh22:28:282
71370rcu_preempt15041-21sh22:28:282
71370rcu_preempt0-21swapper/223:43:172
71370rcu_preempt0-21swapper/223:43:172
71370rcu_preempt0-21swapper/223:14:172
71370rcu_preempt0-21swapper/223:14:172
71370rcu_preempt0-21swapper/200:23:002
71370rcu_preempt0-21swapper/200:23:002
71370rcu_preempt0-21swapper/123:47:151
71370rcu_preempt0-21swapper/123:47:151
71370rcu_preempt0-21swapper/123:22:141
71370rcu_preempt0-21swapper/123:22:141
71370rcu_preempt0-21swapper/022:29:290
71370rcu_preempt0-21swapper/022:29:290
71370rcu_preempt0-21swapper/022:12:270
71370rcu_preempt0-21swapper/022:12:270
71370rcu_preempt0-21swapper/020:44:150
71370rcu_preempt0-21swapper/020:44:150
71370rcu_preempt0-21swapper/001:02:160
71370rcu_preempt0-21swapper/001:02:160
71370rcu_preempt0-21swapper/001:02:160
71360rcu_preempt9840-1kworker/2:1H23:27:032
71360rcu_preempt9840-1kworker/2:1H23:27:032
71360rcu_preempt32377-21copy22:02:062
71360rcu_preempt32377-21copy22:02:062
71360rcu_preempt32377-21copy22:02:062
71360rcu_preempt28937-21ssh23:53:320
71360rcu_preempt28937-21ssh23:53:320
71360rcu_preempt24811-21copy23:47:081
71360rcu_preempt24811-21copy23:47:081
71360rcu_preempt10532-1kworker/3:2H21:38:063
71360rcu_preempt10532-1kworker/3:2H21:38:063
71360rcu_preempt10532-1kworker/3:2H21:38:063
71360rcu_preempt0-21swapper/323:47:243
71360rcu_preempt0-21swapper/323:47:243
71360rcu_preempt0-21swapper/322:52:223
71360rcu_preempt0-21swapper/322:52:223
71360rcu_preempt0-21swapper/300:57:023
71360rcu_preempt0-21swapper/300:57:023
71360rcu_preempt0-21swapper/221:55:542
71360rcu_preempt0-21swapper/221:55:542
71360rcu_preempt0-21swapper/221:02:032
71360rcu_preempt0-21swapper/221:02:032
71360rcu_preempt0-21swapper/201:11:272
71360rcu_preempt0-21swapper/201:11:272
71360rcu_preempt0-21swapper/201:11:272
71360rcu_preempt0-21swapper/200:37:262
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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