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2026-04-12 - 20:47
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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 Sun Apr 12, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
147650790irq/28-eth0-rx-181ktimersoftd/109:44:081
81770rcu_preempt2138-21snmpd09:59:411
81720rcu_preempt0-21swapper/010:15:480
81710rcu_preempt0-21swapper/012:33:100
81710rcu_preempt0-21swapper/010:30:400
81710rcu_preempt0-21swapper/008:58:430
81710rcu_preempt0-21swapper/007:25:450
81700rcu_preempt29254-21turbostat07:15:241
81700rcu_preempt0-21swapper/007:40:420
81670rcu_preempt15197-21df_abs10:55:390
81670rcu_preempt0-21swapper/011:33:120
81660rcu_preempt26166-21cpu09:10:390
81660rcu_preempt20397-21ssh11:05:390
81660rcu_preempt0-21swapper/011:13:010
81660rcu_preempt0-21swapper/009:41:430
81660rcu_preempt0-21swapper/009:33:110
81650rcu_preempt0-21swapper/110:58:321
81650rcu_preempt0-21swapper/011:01:380
81640rcu_preempt25995-21munin-run09:10:240
81640rcu_preempt16896-21ssh09:55:440
81640rcu_preempt14134-21ssh10:52:570
81640rcu_preempt0-21swapper/112:07:231
81640rcu_preempt0-21swapper/111:45:061
81640rcu_preempt0-21swapper/108:45:391
81630rcu_preempt25444-21ssh10:11:390
81630rcu_preempt0-21swapper/110:24:051
81630rcu_preempt0-21swapper/108:54:571
81630rcu_preempt0-21swapper/012:21:450
81630rcu_preempt0-21swapper/007:45:350
81630rcu_preempt0-21swapper/007:15:450
147750630irq/29-eth0-rx-29429-21kworker/1:209:32:091
89850620irq/17-ehci_hcd0-21swapper/110:06:171
81620rcu_preempt3358-21ssh11:35:330
81620rcu_preempt29309-21ssh09:18:061
81620rcu_preempt18312-21ssh12:04:241
81620rcu_preempt12585-21ssh11:52:041
81620rcu_preempt0-21swapper/112:41:491
81620rcu_preempt0-21swapper/112:25:201
81620rcu_preempt0-21swapper/109:27:361
81610rcu_preempt6728-1kworker/0:0H11:54:340
81610rcu_preempt4655-21ssh10:35:271
81610rcu_preempt2855-21ssh11:34:191
81610rcu_preempt15086-21kworker/0:107:10:490
81610rcu_preempt0-21swapper/111:16:041
81610rcu_preempt0-21swapper/109:36:571
81610rcu_preempt0-21swapper/009:25:390
81600rcu_preempt773-21ssh12:31:461
81600rcu_preempt4531-21ssh11:35:551
81600rcu_preempt32638-21ssh11:29:411
81600rcu_preempt32149-21ssh09:23:211
81600rcu_preempt15080-21ssh11:56:381
81600rcu_preempt0-21swapper/111:48:121
81600rcu_preempt0-21swapper/111:22:581
81600rcu_preempt0-21swapper/111:02:541
81600rcu_preempt0-21swapper/110:30:051
81600rcu_preempt0-21swapper/109:46:311
81600rcu_preempt0-21swapper/107:39:471
81600rcu_preempt0-21swapper/012:10:390
81600rcu_preempt0-21swapper/010:00:370
81600rcu_preempt0-21swapper/009:16:010
81600rcu_preempt0-21swapper/008:30:440
81600rcu_preempt0-21swapper/008:29:570
89450590irq/17-ehci_hcd181ktimersoftd/107:55:411
81590rcu_preempt30506-21ssh12:26:101
81590rcu_preempt23142-21ssh12:12:381
81590rcu_preempt18341-21ssh12:04:300
81590rcu_preempt13952-21ssh10:52:151
81590rcu_preempt0-21swapper/112:15:581
81590rcu_preempt0-21swapper/111:05:301
81590rcu_preempt0-21swapper/110:35:041
81590rcu_preempt0-21swapper/110:19:051
81590rcu_preempt0-21swapper/109:51:181
81590rcu_preempt0-21swapper/108:25:381
81590rcu_preempt0-21swapper/012:37:170
81590rcu_preempt0-21swapper/011:48:460
81590rcu_preempt0-21swapper/010:46:060
81590rcu_preempt0-21swapper/009:50:460
81580rcu_preempt8756-21ssh10:42:051
81580rcu_preempt3616-21ssh12:37:211
81580rcu_preempt25510-21ssh10:11:521
81580rcu_preempt11648-21ssh10:47:551
81580rcu_preempt0-21swapper/107:20:401
81580rcu_preempt0-21swapper/012:17:020
81580rcu_preempt0-21swapper/011:20:380
81580rcu_preempt0-21swapper/010:36:300
81580rcu_preempt0-21swapper/010:05:470
81570rcu_preempt24872-21ssh11:14:201
81570rcu_preempt2138-21snmpd08:44:591
81570rcu_preempt1515-21ntpq07:30:451
81570rcu_preempt12784-21ssh09:48:070
81570rcu_preempt0-21swapper/110:02:081
81570rcu_preempt0-21swapper/109:05:461
81570rcu_preempt0-21swapper/108:21:131
81570rcu_preempt0-21swapper/107:53:401
81570rcu_preempt0-21swapper/012:43:440
81570rcu_preempt0-21swapper/011:40:500
81570rcu_preempt0-21swapper/011:25:570
81570rcu_preempt0-21swapper/009:23:470
81560rcu_preempt9961-21df_abs08:05:390
81560rcu_preempt5406-21ntpq07:45:461
81560rcu_preempt1233-21ssh10:28:090
81560rcu_preempt11909-21smartctl08:10:491
81560rcu_preempt0-21swapper/108:05:391
81560rcu_preempt0-21swapper/107:30:241
81560rcu_preempt0-21swapper/012:06:470
81550rcu_preempt8444-21/usr/sbin/munin08:00:421
81550rcu_preempt30724-21ssh12:26:540
81550rcu_preempt30643-21ssh10:22:060
81550rcu_preempt14474-21grep08:20:490
81550rcu_preempt0-21swapper/109:10:361
81550rcu_preempt0-21swapper/108:16:541
81550rcu_preempt0-21swapper/108:16:541
81550rcu_preempt0-21swapper/107:41:231
81550rcu_preempt0-21swapper/107:17:481
81550rcu_preempt0-21swapper/011:17:070
81550rcu_preempt0-21swapper/009:38:170
81550rcu_preempt0-21swapper/008:52:000
81550rcu_preempt0-21swapper/008:35:470
81550rcu_preempt0-21swapper/007:55:420
81550rcu_preempt0-21swapper/007:20:450
81540rcu_preempt15757-21ssh11:59:160
81540rcu_preempt0-21swapper/108:55:291
81540rcu_preempt0-21swapper/108:31:541
81540rcu_preempt0-21swapper/010:43:240
81540rcu_preempt0-21swapper/008:15:510
81540rcu_preempt0-21swapper/008:15:510
81540rcu_preempt0-21swapper/008:14:550
81530rcu_preempt0-21swapper/007:35:400
81520rcu_preempt23859-21fw_conntrack09:00:401
81520rcu_preempt0-21swapper/009:04:250
81520rcu_preempt0-21swapper/007:34:420
81510rcu_preempt0-21swapper/008:43:270
81460rcu_preempt20906-21users08:45:510
81450rcu_preempt7058-21munin-run07:55:240
29280994542cyclictest945-21usb-storage08:40:161
81320rcu_preempt9312-21basename08:00:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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