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2025-12-08 - 00:13
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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 Dec 07, 2025 12:54:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71540rcu_preempt0-21swapper/012:19:300
71540rcu_preempt0-21swapper/012:19:300
2592599444cyclictest0-21swapper/307:53:183
2592599444cyclictest0-21swapper/307:53:183
2592599434cyclictest0-21swapper/312:33:253
2592599434cyclictest0-21swapper/312:33:253
2592599433cyclictest0-21swapper/312:12:193
2592599433cyclictest0-21swapper/312:12:193
2592599432cyclictest31769-21ntp_states09:48:213
2592599432cyclictest31769-21ntp_states09:48:213
2592599432cyclictest30913-21meminfo07:58:193
2592599432cyclictest30913-21meminfo07:58:193
25925994318cyclictest22394-21meminfo10:33:173
25925994318cyclictest22394-21meminfo10:33:173
25925994318cyclictest22394-21meminfo10:33:173
25925994315cyclictest28398-21apt-get11:48:043
25925994315cyclictest28398-21apt-get11:48:043
25925994315cyclictest28398-21apt-get11:48:043
2592599424cyclictest0-21swapper/312:55:423
2592599424cyclictest0-21swapper/312:55:423
2592599424cyclictest0-21swapper/310:18:053
2592599424cyclictest0-21swapper/310:18:053
2592599424cyclictest0-21swapper/310:18:053
2592599424cyclictest0-21swapper/309:43:003
2592599424cyclictest0-21swapper/309:43:003
2592599423cyclictest0-21swapper/312:13:173
2592599423cyclictest0-21swapper/312:13:173
2592599423cyclictest0-21swapper/311:30:313
2592599423cyclictest0-21swapper/311:30:313
2592599423cyclictest0-21swapper/309:27:533
2592599423cyclictest0-21swapper/309:27:533
2592599423cyclictest0-21swapper/309:27:533
25925994214cyclictest0-21swapper/310:54:413
25925994214cyclictest0-21swapper/310:54:413
25925994214cyclictest0-21swapper/310:54:413
71410rcu_preempt15039-21/usr/sbin/munin10:18:221
71410rcu_preempt15039-21/usr/sbin/munin10:18:221
71410rcu_preempt15039-21/usr/sbin/munin10:18:221
46050410irq/122-QManpo9634-2109:24:360
46050410irq/122-QManpo9634-2109:24:360
2592599414cyclictest0-21swapper/311:43:223
2592599414cyclictest0-21swapper/311:43:223
2592599414cyclictest0-21swapper/311:43:223
2592599414cyclictest0-21swapper/310:59:223
2592599414cyclictest0-21swapper/310:59:223
2592599414cyclictest0-21swapper/310:59:223
2592599413cyclictest5398-21df_inode11:03:093
2592599413cyclictest5398-21df_inode11:03:093
2592599413cyclictest0-21swapper/312:23:473
2592599413cyclictest0-21swapper/312:23:473
2592599413cyclictest0-21swapper/312:19:503
2592599413cyclictest0-21swapper/312:19:503
2592599412cyclictest0-21swapper/310:27:393
2592599412cyclictest0-21swapper/310:27:393
25925994116cyclictest24502-21/usr/sbin/munin09:33:513
25925994116cyclictest24502-21/usr/sbin/munin09:33:513
25925994115cyclictest0-21swapper/312:38:223
25925994115cyclictest0-21swapper/312:38:223
25925994115cyclictest0-21swapper/310:42:303
25925994115cyclictest0-21swapper/310:42:303
25925994113cyclictest6474-21aten_r4power_cu08:28:043
25925994113cyclictest6474-21aten_r4power_cu08:28:043
25925994113cyclictest6474-21aten_r4power_cu08:28:043
2592599403cyclictest0-21swapper/313:07:583
2592599403cyclictest0-21swapper/313:07:583
2592599403cyclictest0-21swapper/312:03:403
2592599403cyclictest0-21swapper/312:03:403
2592599403cyclictest0-21swapper/311:38:243
2592599403cyclictest0-21swapper/311:38:243
2592599403cyclictest0-21swapper/311:18:043
2592599403cyclictest0-21swapper/311:18:043
2592599403cyclictest0-21swapper/310:43:163
2592599403cyclictest0-21swapper/310:43:163
2592599403cyclictest0-21swapper/309:38:203
2592599403cyclictest0-21swapper/309:38:203
2592599403cyclictest0-21swapper/308:27:533
2592599403cyclictest0-21swapper/308:27:533
25925994017cyclictest0-21swapper/313:00:053
25925994017cyclictest0-21swapper/313:00:053
25925994017cyclictest0-21swapper/313:00:053
25925994016cyclictest0-21swapper/309:55:443
25925994016cyclictest0-21swapper/309:55:443
71390rcu_preempt1402-21ssh10:54:482
71390rcu_preempt1402-21ssh10:54:482
71390rcu_preempt1402-21ssh10:54:482
71390rcu_preempt0-21swapper/110:17:271
71390rcu_preempt0-21swapper/110:17:271
46050390irq/122-QManpo31164-2109:24:360
46050390irq/122-QManpo31164-2109:24:360
2592599394cyclictest0-21swapper/310:05:133
2592599394cyclictest0-21swapper/310:05:133
2592599394cyclictest0-21swapper/309:13:383
2592599394cyclictest0-21swapper/309:13:383
2592599393cyclictest0-21swapper/312:43:073
2592599393cyclictest0-21swapper/312:43:073
2592599393cyclictest0-21swapper/312:29:293
2592599393cyclictest0-21swapper/312:29:293
2592599393cyclictest0-21swapper/312:29:293
2592599393cyclictest0-21swapper/311:34:093
2592599393cyclictest0-21swapper/311:34:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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