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2026-05-11 - 23:01
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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 May 11, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71800rcu_preempt0-21swapper/207:12:482
71800rcu_preempt0-21swapper/207:12:482
71800rcu_preempt0-21swapper/207:12:482
71800rcu_preempt0-21swapper/207:12:482
71570rcu_preempt0-21swapper/109:33:491
71570rcu_preempt0-21swapper/109:33:491
71540rcu_preempt0-21swapper/112:12:511
71540rcu_preempt0-21swapper/112:12:511
71520rcu_preempt23621-21kworker/0:107:09:530
71520rcu_preempt23621-21kworker/0:107:09:530
71520rcu_preempt23621-21kworker/0:107:09:530
71520rcu_preempt23621-21kworker/0:107:09:530
71520rcu_preempt0-21swapper/211:35:082
71520rcu_preempt0-21swapper/211:35:082
71480rcu_preempt0-21swapper/309:18:063
71480rcu_preempt0-21swapper/309:18:063
71480rcu_preempt0-21swapper/309:18:063
71460rcu_preempt0-21swapper/107:10:241
71460rcu_preempt0-21swapper/107:10:241
71460rcu_preempt0-21swapper/107:10:241
71460rcu_preempt0-21swapper/107:10:241
71450rcu_preempt0-21swapper/112:25:361
71450rcu_preempt0-21swapper/112:25:361
71450rcu_preempt0-21swapper/112:25:361
71450rcu_preempt0-21swapper/009:36:280
71450rcu_preempt0-21swapper/009:36:280
71440rcu_preempt0-21swapper/111:33:401
71440rcu_preempt0-21swapper/111:33:401
71430rcu_preempt0-21swapper/110:46:221
71430rcu_preempt0-21swapper/110:46:221
71430rcu_preempt0-21swapper/009:44:270
71430rcu_preempt0-21swapper/009:44:270
71430rcu_preempt0-21swapper/009:44:270
46650420irq/116-QManpo12686-2110:48:553
46650420irq/116-QManpo12686-2110:48:553
46650420irq/116-QManpo12686-2110:48:553
46650420irq/116-QManpo12686-2110:48:553
46050420irq/122-QManpo29065-2110:48:550
46050420irq/122-QManpo29065-2110:48:550
46050420irq/122-QManpo29065-2110:48:550
71410rcu_preempt0-21swapper/310:11:353
71410rcu_preempt0-21swapper/310:11:353
71410rcu_preempt0-21swapper/111:43:011
71410rcu_preempt0-21swapper/111:43:011
71410rcu_preempt0-21swapper/111:43:011
71410rcu_preempt0-21swapper/109:22:511
71410rcu_preempt0-21swapper/109:22:511
71410rcu_preempt0-21swapper/109:22:511
46050410irq/122-QManpo30464-2110:48:550
46050410irq/122-QManpo30464-2110:48:550
46050410irq/122-QManpo30464-2110:48:550
71400rcu_preempt25458-21copy07:27:522
71400rcu_preempt25458-21copy07:27:522
71400rcu_preempt25458-21copy07:27:522
71400rcu_preempt0-21swapper/012:13:480
71400rcu_preempt0-21swapper/012:13:480
46050400irq/122-QManpo7074-2110:48:550
46050400irq/122-QManpo7074-2110:48:550
303532400chrt46050irq/122-QMan10:48:550
303532400chrt46050irq/122-QMan10:48:550
303532400chrt46050irq/122-QMan10:48:550
71390rcu_preempt22925-21sh12:13:463
71390rcu_preempt22925-21sh12:13:463
71390rcu_preempt0-21swapper/110:58:261
71390rcu_preempt0-21swapper/110:58:261
71390rcu_preempt0-21swapper/110:37:131
71390rcu_preempt0-21swapper/110:37:131
71390rcu_preempt0-21swapper/110:37:131
71390rcu_preempt0-21swapper/110:27:101
71390rcu_preempt0-21swapper/110:27:101
71390rcu_preempt0-21swapper/110:27:101
46050390irq/122-QManpo685-2110:48:550
46050390irq/122-QManpo685-2110:48:550
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
71380rcu_preempt8495-21kworker/3:012:04:523
71380rcu_preempt8495-21kworker/3:012:04:523
71380rcu_preempt8495-21kworker/3:012:04:523
71380rcu_preempt7969-1kworker/0:2H08:23:120
71380rcu_preempt7969-1kworker/0:2H08:23:120
71380rcu_preempt6077-21sendmail-msp10:56:101
71380rcu_preempt6077-21sendmail-msp10:56:101
71380rcu_preempt28883-21ssh12:25:213
71380rcu_preempt28883-21ssh12:25:213
71380rcu_preempt28883-21ssh12:25:213
71380rcu_preempt12683-21sh10:54:022
71380rcu_preempt12683-21sh10:54:022
71380rcu_preempt0-21swapper/307:50:243
71380rcu_preempt0-21swapper/307:50:243
71380rcu_preempt0-21swapper/212:29:212
71380rcu_preempt0-21swapper/212:29:212
71380rcu_preempt0-21swapper/212:29:212
71380rcu_preempt0-21swapper/210:23:032
71380rcu_preempt0-21swapper/210:23:032
71380rcu_preempt0-21swapper/210:23:032
71380rcu_preempt0-21swapper/209:44:422
71380rcu_preempt0-21swapper/209:44:422
71380rcu_preempt0-21swapper/209:44:422
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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