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2026-07-21 - 06:16
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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 highest latencies:
System rackcslot3.osadl.org (updated Tue Jul 21, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81800rcu_preempt29124-21idleruntime19:12:130
81770rcu_preempt0-21swapper/119:12:141
81720rcu_preempt11292-21sh00:31:310
81720rcu_preempt0-21swapper/021:36:560
81720rcu_preempt0-21swapper/019:57:130
81710rcu_preempt8176-21strings22:32:170
81710rcu_preempt0-21swapper/021:23:310
81710rcu_preempt0-21swapper/021:21:300
81710rcu_preempt0-21swapper/020:27:150
81700rcu_preempt3057-1kworker/0:2H22:47:000
81700rcu_preempt3057-1kworker/0:2H22:47:000
81700rcu_preempt0-21swapper/100:17:211
81700rcu_preempt0-21swapper/021:46:580
81700rcu_preempt0-21swapper/021:28:120
81700rcu_preempt0-21swapper/000:20:360
81690rcu_preempt9493-21ssh21:39:220
81690rcu_preempt16548-1kworker/0:0H00:03:580
81690rcu_preempt12844-21ssh22:41:220
81690rcu_preempt0-21swapper/121:27:381
81690rcu_preempt0-21swapper/100:46:231
81690rcu_preempt0-21swapper/100:02:111
81690rcu_preempt0-21swapper/023:11:560
81680rcu_preempt7075-21sh22:31:230
81680rcu_preempt17874-21munin-run20:36:550
81680rcu_preempt0-21swapper/121:52:131
81680rcu_preempt0-21swapper/121:35:481
81680rcu_preempt0-21swapper/022:59:590
81680rcu_preempt0-21swapper/022:45:230
146550680irq/30-eth0-tx-0-21swapper/000:00:050
81670rcu_preempt7386-21processes19:52:190
81670rcu_preempt31235-21ssh22:17:100
81670rcu_preempt0-21swapper/122:22:511
81670rcu_preempt0-21swapper/121:51:451
81670rcu_preempt0-21swapper/121:24:571
81670rcu_preempt0-21swapper/100:39:351
81670rcu_preempt0-21swapper/100:34:321
81670rcu_preempt0-21swapper/000:25:390
81660rcu_preempt23748-21ntp_kernel_err20:57:180
81660rcu_preempt0-21swapper/123:48:471
81660rcu_preempt0-21swapper/121:18:421
81650rcu_preempt1875-21ssh23:17:201
81650rcu_preempt13688-21ps20:17:191
81650rcu_preempt0-21swapper/122:37:131
81650rcu_preempt0-21swapper/100:14:591
81650rcu_preempt0-21swapper/000:12:080
81640rcu_preempt25919-21if_can121:07:121
81640rcu_preempt0-21swapper/123:35:041
81630rcu_preempt7634-21sh00:23:541
81630rcu_preempt3831-21munin-run23:21:560
81630rcu_preempt0-21swapper/023:37:230
81620rcu_preempt6726-21ssh23:26:551
81620rcu_preempt26247-21ssh23:03:161
81620rcu_preempt1429-21latency_hist19:31:551
81620rcu_preempt11595-21latency_hist20:11:550
81620rcu_preempt0-21swapper/123:40:091
81620rcu_preempt0-21swapper/122:57:231
81620rcu_preempt0-21swapper/122:17:341
81620rcu_preempt0-21swapper/122:16:251
81620rcu_preempt0-21swapper/122:06:531
81620rcu_preempt0-21swapper/120:53:581
81620rcu_preempt0-21swapper/120:27:191
81620rcu_preempt0-21swapper/019:42:060
81610rcu_preempt8453-21ssh23:28:241
81610rcu_preempt26801-21sh22:08:351
81610rcu_preempt21215-21ssh22:55:071
81610rcu_preempt10580-21ssh21:42:080
81610rcu_preempt0-21swapper/123:12:071
81610rcu_preempt0-21swapper/123:11:251
81610rcu_preempt0-21swapper/122:48:301
81610rcu_preempt0-21swapper/122:48:301
81610rcu_preempt0-21swapper/122:44:101
81610rcu_preempt0-21swapper/120:02:201
81610rcu_preempt0-21swapper/119:52:201
81610rcu_preempt0-21swapper/019:27:080
81600rcu_preempt24622-21if_can021:02:140
81600rcu_preempt21273-21ssh23:52:011
81600rcu_preempt18072-21ssh23:46:111
81600rcu_preempt0-21swapper/121:46:291
81600rcu_preempt0-21swapper/121:37:081
81600rcu_preempt0-21swapper/120:57:191
81600rcu_preempt0-21swapper/100:07:121
81600rcu_preempt0-21swapper/100:01:111
81600rcu_preempt0-21swapper/023:53:130
81590rcu_preempt6911-21ssh22:30:561
81590rcu_preempt14139-21ssh00:36:260
81590rcu_preempt0-21swapper/122:01:461
81590rcu_preempt0-21swapper/121:12:161
81590rcu_preempt0-21swapper/119:34:101
81590rcu_preempt0-21swapper/119:22:141
81590rcu_preempt0-21swapper/100:27:141
81590rcu_preempt0-21swapper/023:25:520
81590rcu_preempt0-21swapper/023:15:290
81590rcu_preempt0-21swapper/021:57:220
81580rcu_preempt8930-21ssh22:33:101
81580rcu_preempt19309-21ssh00:44:480
81580rcu_preempt17001-21ssh23:43:000
81580rcu_preempt0-21swapper/023:35:440
81580rcu_preempt0-21swapper/022:12:240
81580rcu_preempt0-21swapper/022:02:220
81570rcu_preempt31543-21ssh00:08:270
81570rcu_preempt25093-21ps21:02:201
81570rcu_preempt20600-21ssh22:53:110
81570rcu_preempt0-21swapper/023:04:320
81570rcu_preempt0-21swapper/022:11:530
81560rcu_preempt16287-21ssh00:39:040
81560rcu_preempt14436-21fw_forwarded_lo20:22:131
81560rcu_preempt0-21swapper/120:34:281
81560rcu_preempt0-21swapper/119:47:261
81560rcu_preempt0-21swapper/021:16:100
81560rcu_preempt0-21swapper/020:47:200
81560rcu_preempt0-21swapper/020:22:240
81560rcu_preempt0-21swapper/019:22:230
89950550irq/17-ehci_hcd945-21usb-storage23:29:060
81550rcu_preempt20099-21ssh23:48:430
81550rcu_preempt0-21swapper/119:57:071
81550rcu_preempt0-21swapper/119:20:071
81550rcu_preempt0-21swapper/022:25:160
81550rcu_preempt0-21swapper/019:37:320
81550rcu_preempt0-21swapper/019:32:220
81550rcu_preempt0-21swapper/019:17:130
81540rcu_preempt0-21swapper/120:48:111
81540rcu_preempt0-21swapper/120:12:221
81540rcu_preempt0-21swapper/021:52:550
81540rcu_preempt0-21swapper/019:48:090
81530rcu_preempt3053-21df_inode19:37:101
81530rcu_preempt0-21swapper/120:44:291
81530rcu_preempt0-21swapper/020:55:150
81530rcu_preempt0-21swapper/020:02:180
81520rcu_preempt10875-21irqstats20:07:141
81520rcu_preempt0-21swapper/021:07:280
81520rcu_preempt0-21swapper/020:18:470
81510rcu_preempt0-21swapper/120:38:121
81510rcu_preempt0-21swapper/020:12:470
81500rcu_preempt20377-21cron20:46:550
81500rcu_preempt0-21swapper/119:46:241
29994994311cyclictest28679-21kworker/0:120:38:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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