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2025-12-01 - 18:40
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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 01, 2025 12:53:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71570rcu_preempt0-21swapper/210:16:472
71570rcu_preempt0-21swapper/210:16:472
71570rcu_preempt0-21swapper/210:16:472
46050460irq/122-QManpo0-210
46050460irq/122-QManpo0-210
46050460irq/122-QManpo0-210
99650430irq/38-i2c-mpc12146-21meminfo12:13:100
99650430irq/38-i2c-mpc12146-21meminfo12:13:100
71420rcu_preempt0-21swapper/008:47:450
71420rcu_preempt0-21swapper/008:47:450
71420rcu_preempt0-21swapper/008:47:450
46050420irq/122-QManpo0-210
46050420irq/122-QManpo0-210
71410rcu_preempt0-21swapper/110:33:131
71410rcu_preempt0-21swapper/110:33:131
71400rcu_preempt0-21swapper/013:12:440
71400rcu_preempt0-21swapper/013:12:440
71400rcu_preempt0-21swapper/013:12:440
46050400irq/122-QManpo3998-2109:24:360
46050400irq/122-QManpo3998-2109:24:360
71390rcu_preempt8843-21diskstats11:03:040
71390rcu_preempt8843-21diskstats11:03:040
71390rcu_preempt8401-21ntp_states09:58:131
71390rcu_preempt8401-21ntp_states09:58:131
71390rcu_preempt30541-21diskmemload10:04:562
71390rcu_preempt30541-21diskmemload10:04:562
71390rcu_preempt24413-1kworker/0:2H12:05:540
71390rcu_preempt24413-1kworker/0:2H12:05:540
71390rcu_preempt0-21swapper/310:02:503
71390rcu_preempt0-21swapper/310:02:503
71390rcu_preempt0-21swapper/111:11:051
71390rcu_preempt0-21swapper/111:11:051
71390rcu_preempt0-21swapper/012:37:570
71390rcu_preempt0-21swapper/012:37:570
71380rcu_preempt0-21swapper/012:57:200
71380rcu_preempt0-21swapper/012:57:200
71380rcu_preempt0-21swapper/010:50:590
71380rcu_preempt0-21swapper/010:50:590
71380rcu_preempt0-21swapper/008:58:010
71380rcu_preempt0-21swapper/008:58:010
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
71370rcu_preempt15390-21taskset10:12:560
71370rcu_preempt15390-21taskset10:12:560
71370rcu_preempt15390-21taskset10:12:560
71370rcu_preempt0-21swapper/212:08:232
71370rcu_preempt0-21swapper/212:08:232
71370rcu_preempt0-21swapper/212:08:232
71370rcu_preempt0-21swapper/113:12:461
71370rcu_preempt0-21swapper/113:12:461
71370rcu_preempt0-21swapper/113:12:461
71370rcu_preempt0-21swapper/113:07:481
71370rcu_preempt0-21swapper/113:07:481
71370rcu_preempt0-21swapper/111:30:551
71370rcu_preempt0-21swapper/111:30:551
71370rcu_preempt0-21swapper/111:30:551
71370rcu_preempt0-21swapper/110:31:481
71370rcu_preempt0-21swapper/110:31:481
71370rcu_preempt0-21swapper/110:31:481
71370rcu_preempt0-21swapper/013:06:120
71370rcu_preempt0-21swapper/013:06:120
71370rcu_preempt0-21swapper/012:32:510
71370rcu_preempt0-21swapper/011:33:010
71370rcu_preempt0-21swapper/011:33:010
71370rcu_preempt0-21swapper/011:33:010
71370rcu_preempt0-21swapper/011:27:450
71370rcu_preempt0-21swapper/011:27:450
71370rcu_preempt0-21swapper/010:57:450
71370rcu_preempt0-21swapper/010:57:450
71370rcu_preempt0-21swapper/010:57:450
71370rcu_preempt0-21swapper/010:02:490
71370rcu_preempt0-21swapper/010:02:490
71370rcu_preempt0-21swapper/009:47:590
71370rcu_preempt0-21swapper/009:47:590
46050370irq/122-QManpo9733-2109:24:360
46050370irq/122-QManpo9733-2109:24:360
46050370irq/122-QManpo9733-2109:24:360
46050370irq/122-QManpo30322-2109:24:360
46050370irq/122-QManpo30322-2109:24:360
46050370irq/122-QManpo28310-2109:24:360
46050370irq/122-QManpo28310-2109:24:360
46050370irq/122-QManpo23382-2109:24:360
46050370irq/122-QManpo23382-2109:24:360
46050370irq/122-QManpo23382-2109:24:360
71360rcu_preempt28727-21ssh11:43:000
71360rcu_preempt28727-21ssh11:43:000
71360rcu_preempt28727-21ssh11:43:000
71360rcu_preempt20869-21sshd12:30:560
71360rcu_preempt1091-21/usr/sbin/munin09:43:200
71360rcu_preempt1091-21/usr/sbin/munin09:43:200
71360rcu_preempt0-21swapper/312:23:083
71360rcu_preempt0-21swapper/312:23:083
71360rcu_preempt0-21swapper/212:06:062
71360rcu_preempt0-21swapper/212:06:062
71360rcu_preempt0-21swapper/112:57:331
71360rcu_preempt0-21swapper/112:57:331
71360rcu_preempt0-21swapper/111:22:021
71360rcu_preempt0-21swapper/111:22:021
71360rcu_preempt0-21swapper/111:22:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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