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2026-04-06 - 13:25
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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 Apr 06, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71770rcu_preempt0-21swapper/021:46:300
71770rcu_preempt0-21swapper/021:46:300
71490rcu_preempt32631-21kworker/1:320:57:191
71490rcu_preempt32631-21kworker/1:320:57:191
13106994724cyclictest1737-21ssh23:42:401
13106994724cyclictest1737-21ssh23:42:401
13106994724cyclictest1737-21ssh23:42:401
71440rcu_preempt21288-21seq19:41:361
71440rcu_preempt21288-21seq19:41:361
71440rcu_preempt21288-21seq19:41:361
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
1310699433cyclictest0-21swapper/121:22:261
1310699433cyclictest0-21swapper/121:22:261
1310699433cyclictest0-21swapper/121:22:261
1310699433cyclictest0-21swapper/100:37:291
1310699433cyclictest0-21swapper/100:37:291
1310699433cyclictest0-21swapper/100:37:291
71420rcu_preempt14019-21diskmemload23:00:500
71420rcu_preempt14019-21diskmemload23:00:500
71420rcu_preempt0-21swapper/123:02:201
71420rcu_preempt0-21swapper/123:02:201
71420rcu_preempt0-21swapper/123:02:201
71420rcu_preempt0-21swapper/019:42:200
71420rcu_preempt0-21swapper/019:42:200
1310699424cyclictest0-21swapper/122:12:101
1310699424cyclictest0-21swapper/122:12:101
1310699424cyclictest0-21swapper/120:47:301
1310699424cyclictest0-21swapper/120:47:301
1310699424cyclictest0-21swapper/119:47:341
1310699424cyclictest0-21swapper/119:47:341
1310699424cyclictest0-21swapper/100:32:331
1310699424cyclictest0-21swapper/100:32:331
1310699423cyclictest0-21swapper/121:37:231
1310699423cyclictest0-21swapper/121:37:231
1310699423cyclictest0-21swapper/121:37:231
1310699421cyclictest22911-21sendmail-msp00:25:031
1310699421cyclictest22911-21sendmail-msp00:25:031
1310699421cyclictest22911-21sendmail-msp00:25:031
13106994218cyclictest0-21swapper/123:57:261
13106994218cyclictest0-21swapper/123:57:261
13106994218cyclictest0-21swapper/123:57:261
13106994218cyclictest0-21swapper/123:32:341
13106994218cyclictest0-21swapper/123:32:341
71410rcu_preempt0-21swapper/023:28:260
71410rcu_preempt0-21swapper/023:28:260
71410rcu_preempt0-21swapper/023:28:260
1310699413cyclictest0-21swapper/122:44:071
1310699413cyclictest0-21swapper/122:44:071
1310699413cyclictest0-21swapper/122:32:221
1310699413cyclictest0-21swapper/122:32:221
1310699413cyclictest0-21swapper/121:28:081
1310699413cyclictest0-21swapper/121:28:081
71400rcu_preempt32761-21egrep20:22:241
71400rcu_preempt32761-21egrep20:22:241
71400rcu_preempt21257-21sh21:23:320
71400rcu_preempt21257-21sh21:23:320
71400rcu_preempt21257-21sh21:23:320
71400rcu_preempt1311-21ssh22:44:300
71400rcu_preempt1311-21ssh22:44:300
71400rcu_preempt0-21swapper/222:27:002
71400rcu_preempt0-21swapper/222:27:002
71400rcu_preempt0-21swapper/220:57:182
71400rcu_preempt0-21swapper/220:57:182
1310699404cyclictest0-21swapper/123:14:581
1310699404cyclictest0-21swapper/123:14:581
1310699404cyclictest0-21swapper/123:14:581
13104994013cyclictest0-21swapper/021:17:210
13104994013cyclictest0-21swapper/021:17:210
13104994013cyclictest0-21swapper/021:17:210
71390rcu_preempt4574-21ssh23:48:083
71390rcu_preempt4574-21ssh23:48:083
71390rcu_preempt2976-21sh21:49:330
71390rcu_preempt2976-21sh21:49:330
71390rcu_preempt0-21swapper/200:04:262
71390rcu_preempt0-21swapper/200:04:262
71390rcu_preempt0-21swapper/200:04:262
71390rcu_preempt0-21swapper/023:46:060
71390rcu_preempt0-21swapper/023:46:060
71390rcu_preempt0-21swapper/023:46:060
71390rcu_preempt0-21swapper/023:22:570
71390rcu_preempt0-21swapper/023:22:570
71390rcu_preempt0-21swapper/023:09:390
71390rcu_preempt0-21swapper/023:09:390
71390rcu_preempt0-21swapper/023:09:390
71390rcu_preempt0-21swapper/023:03:400
71390rcu_preempt0-21swapper/023:03:400
71390rcu_preempt0-21swapper/023:03:400
71390rcu_preempt0-21swapper/000:24:310
71390rcu_preempt0-21swapper/000:24:310
71390rcu_preempt0-21swapper/000:24:310
71390rcu_preempt0-21swapper/000:04:530
71390rcu_preempt0-21swapper/000:04:530
71390rcu_preempt0-21swapper/000:04:530
46250390irq/120-QManpo13001-2110:48:551
46250390irq/120-QManpo13001-2110:48:551
71380rcu_preempt10737-21apt-get23:02:403
71380rcu_preempt10737-21apt-get23:02:403
71380rcu_preempt10737-21apt-get23:02:403
71380rcu_preempt0-21swapper/221:43:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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