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2025-12-03 - 09:08
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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 rackcslot3.osadl.org (updated Wed Dec 03, 2025 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81700rcu_preempt0-21swapper/020:50:000
81690rcu_preempt31958-21sh21:38:521
81690rcu_preempt0-21swapper/022:44:590
81680rcu_preempt15859-21diskmemload21:24:241
81680rcu_preempt0-21swapper/122:25:491
81680rcu_preempt0-21swapper/121:59:331
81680rcu_preempt0-21swapper/121:30:121
81680rcu_preempt0-21swapper/023:14:380
81680rcu_preempt0-21swapper/022:16:210
81670rcu_preempt28102-21/usr/sbin/munin19:50:121
81670rcu_preempt17089-21sh23:11:561
81670rcu_preempt0-21swapper/123:15:411
81670rcu_preempt0-21swapper/123:06:481
81670rcu_preempt0-21swapper/022:20:410
81670rcu_preempt0-21swapper/021:24:420
81670rcu_preempt0-21swapper/020:31:410
81660rcu_preempt27756-21sh23:32:090
81660rcu_preempt1952-21munin-run20:14:461
81660rcu_preempt0-21swapper/122:33:291
81660rcu_preempt0-21swapper/122:15:051
81660rcu_preempt0-21swapper/122:04:561
81660rcu_preempt0-21swapper/000:29:050
81650rcu_preempt24315-21ssh21:24:510
81650rcu_preempt13020-21ssh23:05:020
81650rcu_preempt0-21swapper/123:44:291
81650rcu_preempt0-21swapper/122:40:451
81650rcu_preempt0-21swapper/122:10:241
81650rcu_preempt0-21swapper/121:47:041
81650rcu_preempt0-21swapper/121:25:251
81650rcu_preempt0-21swapper/119:15:081
81650rcu_preempt0-21swapper/020:45:110
81640rcu_preempt17371-21strings19:05:081
81640rcu_preempt0-21swapper/100:21:101
81630rcu_preempt4324-21ssh22:48:451
81630rcu_preempt3-21ksoftirqd/020:41:430
81630rcu_preempt0-21swapper/123:33:211
81630rcu_preempt0-21swapper/121:10:591
81630rcu_preempt0-21swapper/120:55:001
81630rcu_preempt0-21swapper/023:54:230
81630rcu_preempt0-21swapper/022:55:000
81620rcu_preempt7166-21ssh22:54:201
81620rcu_preempt14277-21ssh00:09:411
81620rcu_preempt12017-21ssh23:03:071
81620rcu_preempt0-21swapper/123:28:271
81620rcu_preempt0-21swapper/021:02:150
81610rcu_preempt0-21swapper/100:38:581
81610rcu_preempt0-21swapper/000:36:400
81600rcu_preempt24282-21ssh00:28:551
81600rcu_preempt2235-21snmpd00:32:291
81600rcu_preempt18171-21ssh00:16:031
81600rcu_preempt0-21swapper/123:35:121
81600rcu_preempt0-21swapper/121:17:581
81600rcu_preempt0-21swapper/121:17:581
81600rcu_preempt0-21swapper/019:14:450
81590rcu_preempt4875-21cpuspeed22:49:590
81590rcu_preempt31107-21ssh22:37:451
81590rcu_preempt2313-21ssh21:44:211
81590rcu_preempt16867-21df19:05:010
81590rcu_preempt15969-21ssh00:11:391
81590rcu_preempt10041-21ssh22:59:510
81590rcu_preempt0-21swapper/123:21:061
81590rcu_preempt0-21swapper/122:22:141
81590rcu_preempt0-21swapper/120:29:411
81590rcu_preempt0-21swapper/021:05:000
81590rcu_preempt0-21swapper/020:35:040
81590rcu_preempt0-21swapper/019:50:010
81590rcu_preempt0-21swapper/000:22:490
81580rcu_preempt5809-21ssh23:51:231
81580rcu_preempt3483-21ssh23:47:300
81580rcu_preempt32126-21grep23:40:070
81580rcu_preempt25906-21ssh00:30:150
81580rcu_preempt12259-21ssh22:01:391
81580rcu_preempt0-21swapper/122:55:081
81580rcu_preempt0-21swapper/121:51:411
81580rcu_preempt0-21swapper/120:15:041
81580rcu_preempt0-21swapper/120:05:041
81580rcu_preempt0-21swapper/100:00:371
81580rcu_preempt0-21swapper/022:10:230
81580rcu_preempt0-21swapper/000:05:350
81570rcu_preempt8196-21rm23:55:330
81570rcu_preempt7167-21ssh21:52:280
81570rcu_preempt2235-21snmpd23:57:221
81570rcu_preempt20421-21ssh21:16:230
81570rcu_preempt20421-21ssh21:16:230
81570rcu_preempt0-21swapper/123:46:311
81570rcu_preempt0-21swapper/119:40:061
81570rcu_preempt0-21swapper/119:36:561
81570rcu_preempt0-21swapper/119:31:381
81570rcu_preempt0-21swapper/023:39:040
81570rcu_preempt0-21swapper/023:21:420
81570rcu_preempt0-21swapper/023:15:520
81570rcu_preempt0-21swapper/022:34:260
81570rcu_preempt0-21swapper/021:40:000
81570rcu_preempt0-21swapper/019:55:090
81560rcu_preempt1869-21ssh22:44:340
81560rcu_preempt0-21swapper/121:00:121
81560rcu_preempt0-21swapper/120:44:451
81560rcu_preempt0-21swapper/119:27:081
81560rcu_preempt0-21swapper/022:03:500
81560rcu_preempt0-21swapper/020:10:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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