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2025-12-22 - 02:50
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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 Mon Dec 22, 2025 00:43:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71670rcu_preempt0-21swapper/223:21:452
71670rcu_preempt0-21swapper/223:21:452
71640rcu_preempt7369-21copy00:20:263
71640rcu_preempt7369-21copy00:20:263
71640rcu_preempt7369-21copy00:20:263
71580rcu_preempt0-21swapper/200:20:252
71580rcu_preempt0-21swapper/200:20:252
71580rcu_preempt0-21swapper/200:20:252
71500rcu_preempt0-21swapper/322:11:363
71500rcu_preempt0-21swapper/322:11:363
71480rcu_preempt27042-21apt-get22:05:422
71480rcu_preempt27042-21apt-get22:05:422
71480rcu_preempt27042-21apt-get22:05:422
71480rcu_preempt0-21swapper/121:45:221
71480rcu_preempt0-21swapper/121:45:221
71460rcu_preempt0-21swapper/019:08:420
71460rcu_preempt0-21swapper/019:08:420
71430rcu_preempt0-21swapper/222:31:242
71430rcu_preempt0-21swapper/222:31:242
71430rcu_preempt0-21swapper/019:52:370
71430rcu_preempt0-21swapper/019:52:370
71430rcu_preempt0-21swapper/000:20:270
71430rcu_preempt0-21swapper/000:20:270
71430rcu_preempt0-21swapper/000:20:270
71420rcu_preempt0-21swapper/100:20:451
71420rcu_preempt0-21swapper/100:20:451
71420rcu_preempt0-21swapper/100:20:451
71410rcu_preempt0-21swapper/123:45:261
71410rcu_preempt0-21swapper/123:45:261
71410rcu_preempt0-21swapper/120:18:121
71410rcu_preempt0-21swapper/120:18:121
71410rcu_preempt0-21swapper/120:18:121
71400rcu_preempt0-21swapper/121:16:201
71400rcu_preempt0-21swapper/121:16:201
71400rcu_preempt0-21swapper/121:11:321
71400rcu_preempt0-21swapper/121:11:321
71400rcu_preempt0-21swapper/119:36:511
71400rcu_preempt0-21swapper/119:36:511
71400rcu_preempt0-21swapper/022:55:250
71400rcu_preempt0-21swapper/022:55:250
71390rcu_preempt31057-21ssh22:10:451
71390rcu_preempt31057-21ssh22:10:451
71390rcu_preempt15614-21copy21:45:240
71390rcu_preempt15614-21copy21:45:240
71390rcu_preempt0-21swapper/200:05:152
71390rcu_preempt0-21swapper/200:05:152
71390rcu_preempt0-21swapper/123:10:411
71390rcu_preempt0-21swapper/123:10:411
71390rcu_preempt0-21swapper/123:10:411
71390rcu_preempt0-21swapper/023:46:250
71390rcu_preempt0-21swapper/023:46:250
71390rcu_preempt0-21swapper/021:14:150
71390rcu_preempt0-21swapper/021:14:150
71380rcu_preempt3462-21sed23:15:402
71380rcu_preempt3462-21sed23:15:402
71380rcu_preempt32208-1aten_r4power_vo23:10:262
71380rcu_preempt32208-1aten_r4power_vo23:10:262
71380rcu_preempt32208-1aten_r4power_vo23:10:262
71380rcu_preempt22782-1kworker/2:1H22:05:162
71380rcu_preempt22782-1kworker/2:1H22:05:162
71380rcu_preempt22782-1kworker/2:1H22:05:162
71380rcu_preempt20947-21/usr/sbin/munin22:50:301
71380rcu_preempt20947-21/usr/sbin/munin22:50:301
71380rcu_preempt0-21swapper/221:45:152
71380rcu_preempt0-21swapper/221:45:152
71380rcu_preempt0-21swapper/023:25:230
71380rcu_preempt0-21swapper/023:25:230
71380rcu_preempt0-21swapper/023:25:230
71380rcu_preempt0-21swapper/000:39:040
71380rcu_preempt0-21swapper/000:39:040
71380rcu_preempt0-21swapper/000:39:040
71370rcu_preempt0-21swapper/321:16:063
71370rcu_preempt0-21swapper/321:16:063
71370rcu_preempt0-21swapper/223:41:142
71370rcu_preempt0-21swapper/223:41:142
71370rcu_preempt0-21swapper/221:20:112
71370rcu_preempt0-21swapper/221:20:112
71370rcu_preempt0-21swapper/120:20:251
71370rcu_preempt0-21swapper/120:20:251
71370rcu_preempt0-21swapper/023:33:000
71370rcu_preempt0-21swapper/023:33:000
71370rcu_preempt0-21swapper/023:33:000
71360rcu_preempt14831-21ssh21:43:170
71360rcu_preempt14831-21ssh21:43:170
71360rcu_preempt13037-21cron00:30:181
71360rcu_preempt13037-21cron00:30:181
71360rcu_preempt13037-21cron00:30:181
71360rcu_preempt0-21swapper/221:25:132
71360rcu_preempt0-21swapper/221:25:132
71360rcu_preempt0-21swapper/200:28:382
71360rcu_preempt0-21swapper/200:28:382
71360rcu_preempt0-21swapper/100:35:251
71360rcu_preempt0-21swapper/100:35:251
71360rcu_preempt0-21swapper/100:35:251
71360rcu_preempt0-21swapper/100:26:071
71360rcu_preempt0-21swapper/100:26:071
71360rcu_preempt0-21swapper/023:56:390
71360rcu_preempt0-21swapper/023:56:390
71360rcu_preempt0-21swapper/023:56:390
71360rcu_preempt0-21swapper/023:37:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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