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2025-12-10 - 16:57
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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 Dec 10, 2025 12:54:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71650rcu_preempt0-21swapper/012:48:050
71650rcu_preempt0-21swapper/012:48:050
71640rcu_preempt0-21swapper/311:37:093
71640rcu_preempt0-21swapper/311:37:093
71580rcu_preempt0-21swapper/309:52:263
71580rcu_preempt0-21swapper/309:52:263
71580rcu_preempt0-21swapper/309:52:263
9553995118cyclictest0-21swapper/012:09:590
9553995118cyclictest0-21swapper/012:09:590
955399504cyclictest0-21swapper/011:28:120
955399504cyclictest0-21swapper/011:28:120
9553995018cyclictest0-21swapper/011:08:240
9553995018cyclictest0-21swapper/011:08:240
71500rcu_preempt0-21swapper/111:15:471
71500rcu_preempt0-21swapper/111:15:471
955399493cyclictest0-21swapper/013:07:460
955399493cyclictest0-21swapper/013:07:460
955399493cyclictest0-21swapper/012:19:180
955399493cyclictest0-21swapper/012:19:180
955399493cyclictest0-21swapper/012:19:180
955399493cyclictest0-21swapper/009:36:150
955399493cyclictest0-21swapper/009:36:150
71490rcu_preempt0-21swapper/111:41:281
71490rcu_preempt0-21swapper/111:41:281
955399463cyclictest0-21swapper/012:03:150
955399463cyclictest0-21swapper/012:03:150
71460rcu_preempt0-21swapper/211:28:202
71460rcu_preempt0-21swapper/211:28:202
955399433cyclictest0-21swapper/012:58:070
955399433cyclictest0-21swapper/012:58:070
71410rcu_preempt0-21swapper/111:28:091
71410rcu_preempt0-21swapper/111:28:091
71400rcu_preempt0-21swapper/010:33:510
71400rcu_preempt0-21swapper/010:33:510
71400rcu_preempt0-21swapper/010:33:510
71390rcu_preempt0-21swapper/012:38:080
71390rcu_preempt0-21swapper/012:38:080
71390rcu_preempt0-21swapper/010:44:200
71390rcu_preempt0-21swapper/010:44:200
71390rcu_preempt0-21swapper/010:18:140
71390rcu_preempt0-21swapper/010:18:140
71390rcu_preempt0-21swapper/010:18:140
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
71380rcu_preempt7534-1kworker/2:0H13:11:562
71380rcu_preempt7534-1kworker/2:0H13:11:562
71380rcu_preempt7534-1kworker/2:0H13:11:562
71380rcu_preempt29127-21taskset08:51:181
71380rcu_preempt29127-21taskset08:51:181
71380rcu_preempt12117-21ssh13:03:233
71380rcu_preempt12117-21ssh13:03:233
71380rcu_preempt0-21swapper/211:22:022
71380rcu_preempt0-21swapper/211:22:022
71380rcu_preempt0-21swapper/211:22:022
71380rcu_preempt0-21swapper/210:02:402
71380rcu_preempt0-21swapper/210:02:402
71380rcu_preempt0-21swapper/210:02:402
71380rcu_preempt0-21swapper/112:15:581
71380rcu_preempt0-21swapper/112:15:581
71370rcu_preempt0-21swapper/212:28:222
71370rcu_preempt0-21swapper/212:28:222
71370rcu_preempt0-21swapper/212:28:222
71370rcu_preempt0-21swapper/113:03:391
71370rcu_preempt0-21swapper/113:03:391
71370rcu_preempt0-21swapper/111:43:241
71370rcu_preempt0-21swapper/111:43:241
71370rcu_preempt0-21swapper/109:52:081
71370rcu_preempt0-21swapper/109:52:081
71370rcu_preempt0-21swapper/109:52:081
71370rcu_preempt0-21swapper/013:10:190
71370rcu_preempt0-21swapper/013:10:190
71370rcu_preempt0-21swapper/013:10:190
71370rcu_preempt0-21swapper/012:13:100
71370rcu_preempt0-21swapper/012:13:100
71370rcu_preempt0-21swapper/011:44:500
71370rcu_preempt0-21swapper/011:44:500
71370rcu_preempt0-21swapper/010:11:220
71370rcu_preempt0-21swapper/010:11:220
71370rcu_preempt0-21swapper/010:04:180
71370rcu_preempt0-21swapper/010:04:180
71370rcu_preempt0-21swapper/009:53:270
71370rcu_preempt0-21swapper/009:53:270
71370rcu_preempt0-21swapper/009:03:030
71370rcu_preempt0-21swapper/009:03:030
71360rcu_preempt32388-21sh12:38:481
71360rcu_preempt32388-21sh12:38:481
71360rcu_preempt31376-21copy11:33:072
71360rcu_preempt31376-21copy11:33:072
71360rcu_preempt18784-21sh12:12:582
71360rcu_preempt18784-21sh12:12:582
71360rcu_preempt0-21swapper/211:38:052
71360rcu_preempt0-21swapper/211:38:052
71360rcu_preempt0-21swapper/210:08:062
71360rcu_preempt0-21swapper/210:08:062
71360rcu_preempt0-21swapper/110:53:071
71360rcu_preempt0-21swapper/110:53:071
71360rcu_preempt0-21swapper/110:53:071
71360rcu_preempt0-21swapper/110:33:261
71360rcu_preempt0-21swapper/110:33:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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