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2026-07-01 - 05:50
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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 Wed Jul 01, 2026 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71740rcu_preempt0-21swapper/022:08:280
71740rcu_preempt0-21swapper/022:08:280
71740rcu_preempt0-21swapper/022:08:280
71540rcu_preempt0-21swapper/021:25:360
71540rcu_preempt0-21swapper/021:25:360
255012540chrt46450irq/118-QMan10:48:552
255012540chrt46450irq/118-QMan10:48:552
71490rcu_preempt0-21swapper/000:24:230
71490rcu_preempt0-21swapper/000:24:230
71490rcu_preempt0-21swapper/000:24:230
71480rcu_preempt0-21swapper/100:09:091
71480rcu_preempt0-21swapper/100:09:091
71450rcu_preempt7128-21apt-get21:38:591
71450rcu_preempt7128-21apt-get21:38:591
71450rcu_preempt0-21swapper/000:19:420
71450rcu_preempt0-21swapper/000:19:420
71440rcu_preempt16038-1kworker/0:0H19:09:240
71440rcu_preempt16038-1kworker/0:0H19:09:240
71440rcu_preempt0-21swapper/022:10:050
71440rcu_preempt0-21swapper/022:10:050
71420rcu_preempt4087-21wc23:34:101
71420rcu_preempt4087-21wc23:34:101
71420rcu_preempt11209-21apt-get20:18:510
71420rcu_preempt11209-21apt-get20:18:510
71420rcu_preempt11209-21apt-get20:18:510
71420rcu_preempt0-21swapper/123:59:001
71420rcu_preempt0-21swapper/123:59:001
71420rcu_preempt0-21swapper/123:59:001
71420rcu_preempt0-21swapper/022:27:260
71420rcu_preempt0-21swapper/022:27:260
71420rcu_preempt0-21swapper/022:27:260
71420rcu_preempt0-21swapper/019:24:220
71420rcu_preempt0-21swapper/019:24:220
71420rcu_preempt0-21swapper/019:24:220
71410rcu_preempt0-21swapper/023:04:050
71410rcu_preempt0-21swapper/023:04:050
71410rcu_preempt0-21swapper/023:04:050
71410rcu_preempt0-21swapper/022:55:050
71410rcu_preempt0-21swapper/022:55:050
71410rcu_preempt0-21swapper/022:55:050
71410rcu_preempt0-21swapper/000:40:130
71410rcu_preempt0-21swapper/000:40:130
71400rcu_preempt23392-21sh19:09:331
71400rcu_preempt23392-21sh19:09:331
71400rcu_preempt0-21swapper/322:39:103
71400rcu_preempt0-21swapper/322:39:103
71400rcu_preempt0-21swapper/123:45:331
71400rcu_preempt0-21swapper/123:45:331
71400rcu_preempt0-21swapper/123:45:331
71400rcu_preempt0-21swapper/122:49:261
71400rcu_preempt0-21swapper/122:49:261
71400rcu_preempt0-21swapper/121:22:581
71400rcu_preempt0-21swapper/121:22:581
71400rcu_preempt0-21swapper/023:14:590
71400rcu_preempt0-21swapper/023:14:590
71400rcu_preempt0-21swapper/022:02:000
71400rcu_preempt0-21swapper/022:02:000
71400rcu_preempt0-21swapper/022:02:000
71400rcu_preempt0-21swapper/021:57:270
71400rcu_preempt0-21swapper/021:57:270
71400rcu_preempt0-21swapper/021:57:270
71400rcu_preempt0-21swapper/021:46:590
71400rcu_preempt0-21swapper/021:46:590
71400rcu_preempt0-21swapper/021:46:590
71400rcu_preempt0-21swapper/000:04:450
71400rcu_preempt0-21swapper/000:04:450
71400rcu_preempt0-21swapper/000:04:450
2899400migration/324876-21taskset19:10:103
2899400migration/324876-21taskset19:10:103
25486994014cyclictest22479-21apt-get23:08:510
25486994014cyclictest22479-21apt-get23:08:510
25486994014cyclictest22479-21apt-get23:08:510
71390rcu_preempt16546-21kworker/u8:220:49:093
71390rcu_preempt16546-21kworker/u8:220:49:093
71390rcu_preempt16546-21kworker/u8:220:49:093
71390rcu_preempt0-21swapper/300:03:103
71390rcu_preempt0-21swapper/300:03:103
71390rcu_preempt0-21swapper/300:03:103
71390rcu_preempt0-21swapper/020:59:470
71390rcu_preempt0-21swapper/020:59:470
71390rcu_preempt0-21swapper/000:33:300
71390rcu_preempt0-21swapper/000:33:300
71390rcu_preempt0-21swapper/000:13:080
71390rcu_preempt0-21swapper/000:13:080
46450390irq/118-QManpo25333-2110:48:552
46450390irq/118-QManpo25333-2110:48:552
71380rcu_preempt9367-21sendmail-msp23:11:062
71380rcu_preempt9367-21sendmail-msp23:11:062
71380rcu_preempt9367-21sendmail-msp23:11:062
71380rcu_preempt31552-21ssh23:25:150
71380rcu_preempt31552-21ssh23:25:150
71380rcu_preempt31552-21ssh23:25:150
71380rcu_preempt28826-1kworker/2:2H00:39:072
71380rcu_preempt28826-1kworker/2:2H00:39:072
71380rcu_preempt19044-21chrt21:59:461
71380rcu_preempt19044-21chrt21:59:461
71380rcu_preempt19044-21chrt21:59:461
71380rcu_preempt14661-21/usr/sbin/munin23:54:051
71380rcu_preempt14661-21/usr/sbin/munin23:54:051
71380rcu_preempt14661-21/usr/sbin/munin23:54:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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