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2025-12-11 - 19:49
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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 Thu Dec 11, 2025 12:53:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71810rcu_preempt26564-1kworker/1:0H10:33:101
71810rcu_preempt26564-1kworker/1:0H10:33:101
71790rcu_preempt0-21swapper/212:41:302
71790rcu_preempt0-21swapper/212:41:302
71790rcu_preempt0-21swapper/212:41:302
71730rcu_preempt0-21swapper/211:10:282
71730rcu_preempt0-21swapper/211:10:282
71730rcu_preempt0-21swapper/211:10:282
71650rcu_preempt0-21swapper/112:52:091
71650rcu_preempt0-21swapper/112:52:091
3081599572cyclictest16277-21/usr/sbin/munin10:13:220
3081599572cyclictest16277-21/usr/sbin/munin10:13:220
71530rcu_preempt13523-21kworker/1:209:23:071
71530rcu_preempt13523-21kworker/1:209:23:071
3081599504cyclictest0-21swapper/011:47:560
3081599504cyclictest0-21swapper/011:47:560
3081599504cyclictest0-21swapper/011:47:560
71480rcu_preempt0-21swapper/009:53:420
71480rcu_preempt0-21swapper/009:53:420
3081699454cyclictest0-21swapper/109:58:101
3081699454cyclictest0-21swapper/109:58:101
3081699454cyclictest0-21swapper/109:58:101
30816994516cyclictest0-21swapper/108:42:561
30816994516cyclictest0-21swapper/108:42:561
71440rcu_preempt0-21swapper/310:25:343
71440rcu_preempt0-21swapper/310:25:343
71440rcu_preempt0-21swapper/310:25:343
3081699434cyclictest0-21swapper/112:53:321
3081699434cyclictest0-21swapper/112:53:321
3081699433cyclictest0-21swapper/110:38:081
3081699433cyclictest0-21swapper/110:38:081
3081699433cyclictest0-21swapper/110:38:081
3081699424cyclictest0-21swapper/111:26:361
3081699424cyclictest0-21swapper/111:26:361
3081699424cyclictest0-21swapper/111:14:421
3081699424cyclictest0-21swapper/111:14:421
3081699424cyclictest0-21swapper/111:14:421
3081699424cyclictest0-21swapper/110:58:111
3081699424cyclictest0-21swapper/110:58:111
3081699423cyclictest16186-21ntp_states12:18:251
3081699423cyclictest16186-21ntp_states12:18:251
3081699423cyclictest0-21swapper/112:28:101
3081699423cyclictest0-21swapper/112:28:101
3081699423cyclictest0-21swapper/108:48:191
3081699423cyclictest0-21swapper/108:48:191
3081699423cyclictest0-21swapper/108:48:191
3081699422cyclictest12638-21irqstats11:08:181
3081699422cyclictest12638-21irqstats11:08:181
3081699422cyclictest12638-21irqstats11:08:181
30816994217cyclictest21865-21meminfo10:23:191
30816994217cyclictest21865-21meminfo10:23:191
30816994217cyclictest21865-21meminfo10:23:191
30816994216cyclictest0-21swapper/110:13:231
30816994216cyclictest0-21swapper/110:13:231
3081699413cyclictest0-21swapper/113:00:521
3081699413cyclictest0-21swapper/113:00:521
3081699413cyclictest0-21swapper/112:38:211
3081699413cyclictest0-21swapper/112:38:211
3081699413cyclictest0-21swapper/112:38:211
3081699413cyclictest0-21swapper/111:58:081
3081699413cyclictest0-21swapper/111:58:081
3081699413cyclictest0-21swapper/111:43:571
3081699413cyclictest0-21swapper/111:43:571
3081699413cyclictest0-21swapper/111:43:571
3081699413cyclictest0-21swapper/111:28:171
3081699413cyclictest0-21swapper/111:28:171
3081699413cyclictest0-21swapper/110:48:211
3081699413cyclictest0-21swapper/110:48:211
3081699413cyclictest0-21swapper/110:08:221
3081699413cyclictest0-21swapper/110:08:221
3081699413cyclictest0-21swapper/109:53:111
3081699413cyclictest0-21swapper/109:53:111
3081699413cyclictest0-21swapper/107:58:191
3081699413cyclictest0-21swapper/107:58:191
3081699413cyclictest0-21swapper/107:58:191
3081699411cyclictest7727-21apt-get12:03:161
3081699411cyclictest7727-21apt-get12:03:161
3081699411cyclictest7727-21apt-get12:03:161
30816994116cyclictest0-21swapper/111:54:261
30816994116cyclictest0-21swapper/111:54:261
30816994116cyclictest0-21swapper/111:48:281
30816994116cyclictest0-21swapper/111:48:281
30816994114cyclictest0-21swapper/112:13:201
30816994114cyclictest0-21swapper/112:13:201
3081699404cyclictest577-21runrttasks10:44:261
3081699404cyclictest577-21runrttasks10:44:261
3081699403cyclictest0-21swapper/113:07:291
3081699403cyclictest0-21swapper/113:07:291
3081699403cyclictest0-21swapper/111:37:561
3081699403cyclictest0-21swapper/111:37:561
3081699403cyclictest0-21swapper/111:37:561
3081699403cyclictest0-21swapper/109:51:241
3081699403cyclictest0-21swapper/109:51:241
3081699403cyclictest0-21swapper/109:51:241
3081699403cyclictest0-21swapper/109:43:091
3081699403cyclictest0-21swapper/109:43:091
3081699403cyclictest0-21swapper/109:07:561
3081699403cyclictest0-21swapper/109:07:561
3081699403cyclictest0-21swapper/108:07:571
3081699403cyclictest0-21swapper/108:07:571
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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