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2025-11-30 - 13:40
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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 Sun Nov 30, 2025 00:53:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71700rcu_preempt0-21swapper/021:39:150
71700rcu_preempt0-21swapper/021:39:150
71680rcu_preempt0-21swapper/223:33:552
71680rcu_preempt0-21swapper/223:33:552
3829994420cyclictest28912-21meminfo00:28:083
3829994420cyclictest28912-21meminfo00:28:083
71430rcu_preempt2475-1kworker/1:1H21:38:271
71430rcu_preempt2475-1kworker/1:1H21:38:271
46250420irq/120-QManpo8626-2109:24:361
46250420irq/120-QManpo8626-2109:24:361
46250420irq/120-QManpo8626-2109:24:361
3829994218cyclictest0-21swapper/321:52:583
3829994218cyclictest0-21swapper/321:52:583
71410rcu_preempt0-21swapper/100:04:201
71410rcu_preempt0-21swapper/100:04:201
46050410irq/122-QManpo0-210
46050410irq/122-QManpo0-210
3829994120cyclictest25459-21ntp_states22:18:093
3829994120cyclictest25459-21ntp_states22:18:093
3829994119cyclictest0-21swapper/300:25:323
3829994119cyclictest0-21swapper/300:25:323
3829994119cyclictest0-21swapper/300:25:323
3829994118cyclictest0-21swapper/320:18:093
3829994118cyclictest0-21swapper/320:18:093
3829994114cyclictest31909-21ssh22:31:013
3829994114cyclictest31909-21ssh22:31:013
71400rcu_preempt9943-1kworker/1:2H21:59:311
71400rcu_preempt9943-1kworker/1:2H21:59:311
71400rcu_preempt9943-1kworker/1:2H21:59:311
71400rcu_preempt0-21swapper/200:23:582
71400rcu_preempt0-21swapper/200:23:582
71400rcu_preempt0-21swapper/200:23:582
71400rcu_preempt0-21swapper/122:57:131
71400rcu_preempt0-21swapper/122:57:131
71400rcu_preempt0-21swapper/122:57:131
71400rcu_preempt0-21swapper/100:27:511
46050400irq/122-QManpo22875-2109:24:360
46050400irq/122-QManpo22875-2109:24:360
3829994019cyclictest22886-21munin-run00:17:443
3829994019cyclictest22886-21munin-run00:17:443
3829994019cyclictest0-21swapper/321:52:463
3829994019cyclictest0-21swapper/321:52:463
3829994017cyclictest0-21swapper/322:57:003
3829994017cyclictest0-21swapper/322:57:003
3829994017cyclictest0-21swapper/322:57:003
71390rcu_preempt31635-21apt-get23:32:561
71390rcu_preempt31635-21apt-get23:32:561
71390rcu_preempt2474-1kworker/2:1H21:58:092
71390rcu_preempt2474-1kworker/2:1H21:58:092
71390rcu_preempt2474-1kworker/2:1H21:58:092
71390rcu_preempt0-21swapper/122:02:561
71390rcu_preempt0-21swapper/122:02:561
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
3829993920cyclictest3410-21ntp_states22:38:083
3829993920cyclictest3410-21ntp_states22:38:083
3829993919cyclictest1197-21users22:33:173
3829993919cyclictest1197-21users22:33:173
3829993919cyclictest1197-21users22:33:173
3829993917cyclictest14342-21irqstats01:03:053
3829993917cyclictest14342-21irqstats01:03:053
3829993917cyclictest0-21swapper/323:08:083
3829993917cyclictest0-21swapper/323:08:083
3829993916cyclictest0-21swapper/322:06:263
3829993916cyclictest0-21swapper/322:06:263
3829993915cyclictest0-21swapper/322:43:113
3829993915cyclictest0-21swapper/322:43:113
3829993915cyclictest0-21swapper/320:58:053
3829993915cyclictest0-21swapper/320:58:053
3829993915cyclictest0-21swapper/319:47:573
3829993915cyclictest0-21swapper/300:42:583
3829993915cyclictest0-21swapper/300:42:583
3829993915cyclictest0-21swapper/300:42:583
71380rcu_preempt16947-21apt-get22:03:100
71380rcu_preempt16947-21apt-get22:03:100
71380rcu_preempt12713-21taskset00:58:540
71380rcu_preempt12713-21taskset00:58:540
71380rcu_preempt0-21swapper/100:39:181
71380rcu_preempt0-21swapper/100:39:181
71380rcu_preempt0-21swapper/100:39:181
71380rcu_preempt0-21swapper/021:57:570
71380rcu_preempt0-21swapper/021:57:570
71380rcu_preempt0-21swapper/021:57:570
71380rcu_preempt0-21swapper/021:53:020
71380rcu_preempt0-21swapper/021:53:020
71380rcu_preempt0-21swapper/020:27:590
71380rcu_preempt0-21swapper/020:27:590
3829993819cyclictest13430-21users23:58:123
3829993819cyclictest13430-21users23:58:123
3829993818cyclictest7130-21grep21:43:083
3829993818cyclictest7130-21grep21:43:083
3829993818cyclictest7130-21grep21:43:083
3829993817cyclictest29211-21df_abs23:28:003
3829993817cyclictest29211-21df_abs23:28:003
3829993816cyclictest23310-21df_inode00:18:003
3829993816cyclictest23310-21df_inode00:18:003
3829993816cyclictest23310-21df_inode00:18:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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