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2025-12-31 - 15:54
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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 31, 2025 12:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71550rcu_preempt0-21swapper/311:23:283
71550rcu_preempt0-21swapper/311:23:283
71450rcu_preempt2802-21copy11:05:400
71450rcu_preempt2802-21copy11:05:400
71450rcu_preempt0-21swapper/010:10:350
71450rcu_preempt0-21swapper/010:10:350
71440rcu_preempt0-21swapper/008:05:460
71440rcu_preempt0-21swapper/008:05:460
71420rcu_preempt7670-1kworker/0:1H12:10:470
71420rcu_preempt7670-1kworker/0:1H12:10:470
71420rcu_preempt0-21swapper/107:40:421
71420rcu_preempt0-21swapper/107:40:421
71420rcu_preempt0-21swapper/011:51:350
71420rcu_preempt0-21swapper/011:51:350
71420rcu_preempt0-21swapper/011:51:350
71420rcu_preempt0-21swapper/007:06:330
71420rcu_preempt0-21swapper/007:06:330
46450410irq/118-QManpo883-2110:48:552
46450410irq/118-QManpo883-2110:48:552
46050410irq/122-QManpo17739-2110:48:550
46050410irq/122-QManpo17739-2110:48:550
46050410irq/122-QManpo17739-2110:48:550
71400rcu_preempt0-21swapper/110:07:171
71400rcu_preempt0-21swapper/110:07:171
71400rcu_preempt0-21swapper/012:25:350
71400rcu_preempt0-21swapper/012:25:350
71400rcu_preempt0-21swapper/011:49:270
71400rcu_preempt0-21swapper/011:49:270
71400rcu_preempt0-21swapper/010:46:490
71400rcu_preempt0-21swapper/010:46:490
46050400irq/122-QManpo13535-2110:48:550
46050400irq/122-QManpo13535-2110:48:550
71390rcu_preempt0-21swapper/207:40:342
71390rcu_preempt0-21swapper/207:40:342
71390rcu_preempt0-21swapper/110:39:181
71390rcu_preempt0-21swapper/110:39:181
71390rcu_preempt0-21swapper/110:39:181
46250390irq/120-QManpo883-2110:48:551
46250390irq/120-QManpo883-2110:48:551
46050390irq/122-QManpo23288-2110:48:550
46050390irq/122-QManpo23288-2110:48:550
71380rcu_preempt0-21swapper/207:35:122
71380rcu_preempt0-21swapper/207:35:122
71380rcu_preempt0-21swapper/110:18:371
71380rcu_preempt0-21swapper/110:18:371
71380rcu_preempt0-21swapper/109:46:121
71380rcu_preempt0-21swapper/109:46:121
71380rcu_preempt0-21swapper/109:46:121
71380rcu_preempt0-21swapper/109:40:461
71380rcu_preempt0-21swapper/109:40:461
71380rcu_preempt0-21swapper/109:40:461
71380rcu_preempt0-21swapper/109:25:541
71380rcu_preempt0-21swapper/109:25:541
71380rcu_preempt0-21swapper/012:01:260
71380rcu_preempt0-21swapper/012:01:260
71380rcu_preempt0-21swapper/009:36:200
71380rcu_preempt0-21swapper/009:36:200
71380rcu_preempt0-21swapper/009:36:200
71370rcu_preempt1053-21apt-get07:10:351
71370rcu_preempt1053-21apt-get07:10:351
71370rcu_preempt1053-21apt-get07:10:351
71370rcu_preempt0-21swapper/307:08:253
71370rcu_preempt0-21swapper/307:08:253
71370rcu_preempt0-21swapper/212:15:502
71370rcu_preempt0-21swapper/212:15:502
71370rcu_preempt0-21swapper/209:16:362
71370rcu_preempt0-21swapper/209:16:362
71370rcu_preempt0-21swapper/209:16:362
71370rcu_preempt0-21swapper/111:39:201
71370rcu_preempt0-21swapper/111:39:201
71370rcu_preempt0-21swapper/111:31:371
71370rcu_preempt0-21swapper/111:31:371
71370rcu_preempt0-21swapper/012:21:310
71370rcu_preempt0-21swapper/012:21:310
71370rcu_preempt0-21swapper/011:00:240
71370rcu_preempt0-21swapper/011:00:240
71370rcu_preempt0-21swapper/011:00:240
71370rcu_preempt0-21swapper/009:50:560
71370rcu_preempt0-21swapper/009:50:560
71370rcu_preempt0-21swapper/009:48:270
71370rcu_preempt0-21swapper/009:48:270
71370rcu_preempt0-21swapper/009:48:270
71370rcu_preempt0-21swapper/009:40:470
71370rcu_preempt0-21swapper/009:40:470
71370rcu_preempt0-21swapper/009:40:470
71370rcu_preempt0-21swapper/009:15:220
71370rcu_preempt0-21swapper/009:15:220
46050370irq/122-QManpo4900-2110:48:550
46050370irq/122-QManpo4900-2110:48:550
46050370irq/122-QManpo4900-2110:48:550
96042361sleep09663-21df_inode07:40:390
96042361sleep09663-21df_inode07:40:390
71360rcu_preempt7791-21/usr/sbin/munin12:10:372
71360rcu_preempt7791-21/usr/sbin/munin12:10:372
71360rcu_preempt4715-21kworker/1:410:13:481
71360rcu_preempt4715-21kworker/1:410:13:481
71360rcu_preempt22578-1sh11:39:570
71360rcu_preempt22578-1sh11:39:570
71360rcu_preempt1958-21snmpd07:57:540
71360rcu_preempt1958-21snmpd07:57:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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