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2026-07-01 - 03:38
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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 792 highest latencies:
System rackcslot3.osadl.org (updated Wed Jul 01, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89150810irq/17-ehci_hcd945-21usb-storage23:56:040
81770rcu_preempt0-21swapper/123:46:111
81750rcu_preempt10016-21df_abs00:05:300
89550730irq/17-ehci_hcd26194-21ssh21:32:191
81730rcu_preempt0-21swapper/000:45:160
89950710irq/17-ehci_hcd945-21usb-storage19:55:311
81710rcu_preempt0-21swapper/023:53:020
81710rcu_preempt0-21swapper/023:27:370
81710rcu_preempt0-21swapper/023:08:010
81710rcu_preempt0-21swapper/022:07:280
81710rcu_preempt0-21swapper/021:56:420
81710rcu_preempt0-21swapper/021:17:500
81700rcu_preempt6061-21munin-run20:35:150
81700rcu_preempt4969-21irqstats23:55:351
81700rcu_preempt28440-21ssh23:39:300
81700rcu_preempt18123-21ssh21:17:311
81700rcu_preempt17184-21ssh23:16:261
81700rcu_preempt0-21swapper/022:14:010
81690rcu_preempt18477-21ssh22:19:440
81690rcu_preempt12913-21sh00:12:480
81690rcu_preempt1096-21apt-get20:15:271
81690rcu_preempt0-21swapper/122:53:121
81690rcu_preempt0-21swapper/100:36:001
81690rcu_preempt0-21swapper/022:25:340
81690rcu_preempt0-21swapper/021:42:220
81690rcu_preempt0-21swapper/021:14:120
81690rcu_preempt0-21swapper/000:33:150
81680rcu_preempt8131-21munin-run22:00:151
81680rcu_preempt31136-21ssh23:44:330
81680rcu_preempt25538-21ssh22:31:020
81680rcu_preempt1948-21ssh22:49:030
81680rcu_preempt19-21ksoftirqd/122:34:061
81680rcu_preempt15205-21ssh23:13:560
81680rcu_preempt0-21swapper/122:58:511
81680rcu_preempt0-21swapper/023:49:560
81680rcu_preempt0-21swapper/023:23:020
81680rcu_preempt0-21swapper/022:41:410
81680rcu_preempt0-21swapper/022:04:160
81680rcu_preempt0-21swapper/021:32:440
81680rcu_preempt0-21swapper/000:02:200
89950670irq/17-ehci_hcd19233-21sh00:26:591
81670rcu_preempt29235-21ssh21:38:220
81670rcu_preempt21418-21ssh21:24:010
81670rcu_preempt20351-21ps19:20:371
81670rcu_preempt0-21swapper/122:16:551
81670rcu_preempt0-21swapper/023:32:030
81670rcu_preempt0-21swapper/023:02:120
81670rcu_preempt0-21swapper/022:20:540
81670rcu_preempt0-21swapper/021:04:400
81670rcu_preempt0-21swapper/000:35:320
81660rcu_preempt0-21swapper/119:10:391
81660rcu_preempt0-21swapper/100:20:271
81660rcu_preempt0-21swapper/023:18:260
81660rcu_preempt0-21swapper/021:51:540
81660rcu_preempt0-21swapper/021:46:190
81660rcu_preempt0-21swapper/021:05:160
81660rcu_preempt0-21swapper/020:47:260
81660rcu_preempt0-21swapper/020:42:080
81660rcu_preempt0-21swapper/019:55:310
81660rcu_preempt0-21swapper/019:30:400
81660rcu_preempt0-21swapper/019:26:170
81660rcu_preempt0-21swapper/019:20:280
81660rcu_preempt0-21swapper/000:29:280
81660rcu_preempt0-21swapper/000:21:580
81650rcu_preempt0-21swapper/123:00:321
81650rcu_preempt0-21swapper/122:35:331
81650rcu_preempt0-21swapper/100:10:371
81650rcu_preempt0-21swapper/022:36:310
81650rcu_preempt0-21swapper/021:27:310
81650rcu_preempt0-21swapper/020:16:420
81650rcu_preempt0-21swapper/020:13:440
81650rcu_preempt0-21swapper/020:05:220
81650rcu_preempt0-21swapper/019:51:030
81650rcu_preempt0-21swapper/019:10:370
81650rcu_preempt0-21swapper/000:16:520
81640rcu_preempt23554-21cpuspeed_turbos19:35:290
81640rcu_preempt0-21swapper/123:40:361
81640rcu_preempt0-21swapper/123:20:481
81640rcu_preempt0-21swapper/122:25:221
81640rcu_preempt0-21swapper/121:50:421
81640rcu_preempt0-21swapper/100:18:411
81640rcu_preempt0-21swapper/020:36:350
81640rcu_preempt0-21swapper/020:01:070
81640rcu_preempt0-21swapper/019:43:420
81630rcu_preempt14351-21ssh22:10:371
81630rcu_preempt0-21swapper/123:50:331
81630rcu_preempt0-21swapper/122:45:291
81630rcu_preempt0-21swapper/121:48:151
81630rcu_preempt0-21swapper/121:29:101
81630rcu_preempt0-21swapper/120:35:151
81630rcu_preempt0-21swapper/100:30:411
81620rcu_preempt4365-21ssh22:53:170
81620rcu_preempt0-21swapper/123:26:271
81620rcu_preempt0-21swapper/122:40:331
81620rcu_preempt0-21swapper/122:21:541
81620rcu_preempt0-21swapper/121:20:321
81620rcu_preempt0-21swapper/120:00:351
81620rcu_preempt0-21swapper/100:05:381
81610rcu_preempt6725-21ssh22:57:120
81610rcu_preempt0-21swapper/123:38:151
81610rcu_preempt0-21swapper/123:05:371
81610rcu_preempt0-21swapper/122:01:201
81610rcu_preempt0-21swapper/119:50:391
81600rcu_preempt0-21swapper/120:55:371
81590rcu_preempt0-21swapper/019:45:430
81580rcu_preempt0-21swapper/121:05:301
81580rcu_preempt0-21swapper/120:45:401
81580rcu_preempt0-21swapper/119:30:321
81580rcu_preempt0-21swapper/020:50:250
81580rcu_preempt0-21swapper/020:20:300
81580rcu_preempt0-21swapper/019:15:260
81570rcu_preempt26821-21ssh00:43:151
81570rcu_preempt0-21swapper/122:05:371
81570rcu_preempt0-21swapper/020:26:110
81560rcu_preempt0-21swapper/123:32:211
81560rcu_preempt0-21swapper/120:05:391
1818399553cyclictest12066-1kworker/1:0H23:10:271
81540rcu_preempt0-21swapper/120:50:371
81530rcu_preempt8529-21ssh00:01:411
18183995314cyclictest146250irq/28-eth0-rx-21:35:401
81520rcu_preempt30527-21ssh21:40:331
81520rcu_preempt15715-21netstat21:10:381
81510rcu_preempt4849-21sort20:30:151
81510rcu_preempt0-21swapper/119:35:501
81500rcu_preempt0-21swapper/120:20:281
81500rcu_preempt0-21swapper/119:25:321
81490rcu_preempt0-21swapper/119:15:161
81480rcu_preempt0-21swapper/121:03:451
81480rcu_preempt0-21swapper/120:40:141
81470rcu_preempt0-21swapper/119:45:161
81470rcu_preempt0-21swapper/119:41:471
81460rcu_preempt0-21swapper/120:14:291
81450rcu_preempt0-21swapper/120:42:181
81410rcu_preempt0-21swapper/020:58:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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