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2026-07-24 - 07:44
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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 Fri Jul 24, 2026 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71580rcu_preempt0-21swapper/322:10:533
71580rcu_preempt0-21swapper/322:10:533
71580rcu_preempt0-21swapper/322:10:533
2109399582cyclictest1959-21runrttasks19:54:080
2109399582cyclictest1959-21runrttasks19:54:080
2109399582cyclictest1959-21runrttasks19:54:080
71560rcu_preempt0-21swapper/222:41:132
71560rcu_preempt0-21swapper/222:41:132
71560rcu_preempt0-21swapper/222:41:132
2109399567cyclictest0-21swapper/022:49:190
2109399567cyclictest0-21swapper/022:49:190
2109499471cyclictest24432-21apt-get23:39:141
2109499464cyclictest0-21swapper/119:24:051
2109499464cyclictest0-21swapper/119:24:051
71450rcu_preempt0-21swapper/321:51:383
71450rcu_preempt0-21swapper/321:51:383
71450rcu_preempt0-21swapper/321:51:383
21094994519cyclictest5760-21diskstats20:44:211
21094994519cyclictest5760-21diskstats20:44:211
21094994519cyclictest5760-21diskstats20:44:211
71440rcu_preempt0-21swapper/222:20:382
71440rcu_preempt0-21swapper/222:20:382
71440rcu_preempt0-21swapper/222:20:382
46650440irq/116-QManpo20347-2110:48:553
46650440irq/116-QManpo20347-2110:48:553
46650440irq/116-QManpo20347-2110:48:553
2109499444cyclictest19586-21sshd19:38:281
2109499444cyclictest19586-21sshd19:38:281
2109499443cyclictest0-21swapper/122:25:311
2109499443cyclictest0-21swapper/122:25:311
2109499442cyclictest1959-21runrttasks00:18:161
2109499442cyclictest1959-21runrttasks00:18:161
2109499442cyclictest1959-21runrttasks00:18:161
2109499442cyclictest11973-1kworker/1:3H21:14:061
2109499442cyclictest11973-1kworker/1:3H21:14:061
21094994422cyclictest1313-21ssh21:51:581
21094994422cyclictest1313-21ssh21:51:581
21094994422cyclictest1313-21ssh21:51:581
21094994416cyclictest19782-21apt-get19:39:151
21094994416cyclictest19782-21apt-get19:39:151
21094994416cyclictest19782-21apt-get19:39:151
71430rcu_preempt12885-21kworker/1:223:51:541
71430rcu_preempt12885-21kworker/1:223:51:541
71430rcu_preempt12885-21kworker/1:223:51:541
71430rcu_preempt0-21swapper/019:24:390
71430rcu_preempt0-21swapper/019:24:390
46450430irq/118-QManpo20077-2110:48:552
46450430irq/118-QManpo20077-2110:48:552
46450430irq/118-QManpo20077-2110:48:552
2109499439cyclictest16486-21spawn19:16:041
2109499439cyclictest16486-21spawn19:16:041
2109499439cyclictest16486-21spawn19:16:041
2109499437cyclictest21394-21ssh21:28:511
2109499437cyclictest21394-21ssh21:28:511
2109499437cyclictest21394-21ssh21:28:511
2109499436cyclictest27427-21latency23:44:271
2109499436cyclictest27427-21latency23:44:271
2109499436cyclictest27427-21latency23:44:271
2109499434cyclictest0-21swapper/122:40:091
2109499434cyclictest0-21swapper/122:40:091
2109499434cyclictest0-21swapper/122:40:091
2109499433cyclictest0-21swapper/122:51:311
2109499433cyclictest0-21swapper/122:51:311
2109499433cyclictest0-21swapper/122:44:271
2109499433cyclictest0-21swapper/122:44:271
2109499433cyclictest0-21swapper/122:44:271
2109499433cyclictest0-21swapper/122:19:231
2109499433cyclictest0-21swapper/122:19:231
2109499433cyclictest0-21swapper/122:19:231
2109499433cyclictest0-21swapper/122:05:471
2109499433cyclictest0-21swapper/122:05:471
2109499433cyclictest0-21swapper/122:05:471
2109499433cyclictest0-21swapper/121:54:351
2109499433cyclictest0-21swapper/121:54:351
2109499432cyclictest24681-21meminfo21:34:261
2109499432cyclictest24681-21meminfo21:34:261
2109499432cyclictest24681-21meminfo21:34:261
2109499431cyclictest0-21swapper/121:43:271
2109499431cyclictest0-21swapper/121:43:271
100650430irq/38-i2c-mpc1637-1ssh21:52:470
100650430irq/38-i2c-mpc1637-1ssh21:52:470
100650430irq/38-i2c-mpc1637-1ssh21:52:470
71420rcu_preempt8630-21wc19:22:060
71420rcu_preempt8630-21wc19:22:060
71420rcu_preempt21087-21cyclictest22:22:400
71420rcu_preempt21087-21cyclictest22:22:400
71420rcu_preempt21087-21cyclictest22:22:400
71420rcu_preempt0-21swapper/222:39:102
71420rcu_preempt0-21swapper/222:39:102
71420rcu_preempt0-21swapper/222:39:102
71420rcu_preempt0-21swapper/119:12:311
71420rcu_preempt0-21swapper/119:12:311
71420rcu_preempt0-21swapper/119:12:311
71420rcu_preempt0-21swapper/022:30:090
71420rcu_preempt0-21swapper/022:30:090
46050420irq/122-QManpo20351-2110:48:550
46050420irq/122-QManpo20351-2110:48:550
46050420irq/122-QManpo20351-2110:48:550
2109499424cyclictest0-21swapper/121:48:131
2109499424cyclictest0-21swapper/121:48:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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