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2026-03-14 - 20:34
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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 Sat Mar 14, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81880rcu_preempt0-21swapper/007:09:280
81780rcu_preempt8464-21latency08:49:251
81740rcu_preempt30325-21munin-run09:44:060
81740rcu_preempt3-21ksoftirqd/011:24:220
81730rcu_preempt5617-21ssh09:57:530
81730rcu_preempt0-21swapper/012:00:060
81720rcu_preempt0-21swapper/112:03:311
81720rcu_preempt0-21swapper/011:52:330
81720rcu_preempt0-21swapper/010:07:120
89850710irq/17-ehci_hcd945-21usb-storage09:03:281
81710rcu_preempt4920-21ssh10:58:240
81710rcu_preempt22544-21ssh12:33:470
81710rcu_preempt16645-21ssh09:18:150
81710rcu_preempt0-21swapper/012:23:550
81710rcu_preempt0-21swapper/010:44:190
81700rcu_preempt27638-1kworker/1:0H09:24:021
81700rcu_preempt19233-1kworker/0:0H10:30:370
81700rcu_preempt11328-21ssh12:11:251
81700rcu_preempt0-21swapper/112:34:331
81700rcu_preempt0-21swapper/008:34:250
81690rcu_preempt29720-21ssh09:41:461
81690rcu_preempt0-21swapper/112:14:251
81690rcu_preempt0-21swapper/111:43:231
81680rcu_preempt0-21swapper/111:51:441
81680rcu_preempt0-21swapper/110:50:211
81680rcu_preempt0-21swapper/109:51:481
81670rcu_preempt6261-21df09:59:211
81670rcu_preempt17004-21ps07:14:290
81670rcu_preempt0-21swapper/109:55:411
81670rcu_preempt0-21swapper/109:29:221
81670rcu_preempt0-21swapper/109:15:261
81670rcu_preempt0-21swapper/108:55:341
81660rcu_preempt22648-21head10:29:281
81660rcu_preempt15516-21memory07:09:261
81660rcu_preempt0-21swapper/112:21:131
81660rcu_preempt0-21swapper/111:14:561
81660rcu_preempt0-21swapper/109:24:241
81650rcu_preempt18791-21ssh12:24:411
81650rcu_preempt0-21swapper/111:58:291
81650rcu_preempt0-21swapper/111:13:241
81650rcu_preempt0-21swapper/109:45:111
81650rcu_preempt0-21swapper/109:36:361
81650rcu_preempt0-21swapper/107:34:211
81650rcu_preempt0-21swapper/008:54:540
89850640irq/17-ehci_hcd17544-21ssh11:21:411
81640rcu_preempt20879-21ssh10:26:011
81640rcu_preempt0-21swapper/011:18:330
81640rcu_preempt0-21swapper/010:42:300
81640rcu_preempt0-21swapper/009:38:510
81640rcu_preempt0-21swapper/009:24:240
81640rcu_preempt0-21swapper/008:44:190
81630rcu_preempt5287-21ssh10:59:131
81630rcu_preempt16611-21if_err_eth107:14:231
81630rcu_preempt1407-21munin-run08:24:060
81630rcu_preempt12845-21ssh10:10:251
81630rcu_preempt11366-21ps11:09:310
81630rcu_preempt0-21swapper/108:39:351
81630rcu_preempt0-21swapper/107:24:021
81630rcu_preempt0-21swapper/012:16:350
81630rcu_preempt0-21swapper/011:23:290
81630rcu_preempt0-21swapper/010:19:490
81630rcu_preempt0-21swapper/010:14:180
81630rcu_preempt0-21swapper/009:50:430
81630rcu_preempt0-21swapper/008:29:290
81630rcu_preempt0-21swapper/007:49:290
81620rcu_preempt4487-21ssh10:56:571
81620rcu_preempt378-21ssh09:48:340
81620rcu_preempt30379-21df_abs08:09:211
81620rcu_preempt24614-21ssh11:34:301
81620rcu_preempt24614-21ssh11:34:301
81620rcu_preempt23087-21ssh12:34:210
81620rcu_preempt0-21swapper/108:24:251
81620rcu_preempt0-21swapper/012:24:330
81610rcu_preempt21591-21ssh12:30:361
81610rcu_preempt0-21swapper/011:59:000
81610rcu_preempt0-21swapper/008:49:210
81610rcu_preempt0-21swapper/007:44:310
81600rcu_preempt9400-21ssh12:08:401
81600rcu_preempt27359-21ssh10:39:221
81600rcu_preempt26167-21ssh10:36:201
81600rcu_preempt22982-21ssh11:32:091
81600rcu_preempt10034-21ssh11:08:101
81600rcu_preempt0-21swapper/108:29:201
81600rcu_preempt0-21swapper/011:00:510
81600rcu_preempt0-21swapper/010:50:310
81600rcu_preempt0-21swapper/010:02:250
81600rcu_preempt0-21swapper/009:29:230
81590rcu_preempt19832-21ssh11:25:271
81590rcu_preempt18077-21ssh10:20:591
81590rcu_preempt15886-21ssh10:17:241
81590rcu_preempt14088-21diskmemload11:41:480
81590rcu_preempt13580-21ssh10:13:180
81590rcu_preempt0-21swapper/112:39:231
81590rcu_preempt0-21swapper/111:46:161
81590rcu_preempt0-21swapper/108:19:331
81590rcu_preempt0-21swapper/107:49:301
81590rcu_preempt0-21swapper/107:39:261
81590rcu_preempt0-21swapper/012:40:550
81590rcu_preempt0-21swapper/008:14:300
147950590irq/31-eth0-tx-0-21swapper/110:04:371
81580rcu_preempt29796-21awk08:04:291
81580rcu_preempt0-21swapper/107:44:251
81580rcu_preempt0-21swapper/107:33:081
81580rcu_preempt0-21swapper/012:07:420
81580rcu_preempt0-21swapper/011:34:290
81580rcu_preempt0-21swapper/011:34:290
81580rcu_preempt0-21swapper/011:29:240
81570rcu_preempt28123-21irqstats07:59:261
81570rcu_preempt0-21swapper/110:47:091
81570rcu_preempt0-21swapper/011:04:420
81570rcu_preempt0-21swapper/009:04:430
81570rcu_preempt0-21swapper/008:04:280
81560rcu_preempt30628-21ssh11:46:150
81560rcu_preempt11990-21ssh12:13:580
81560rcu_preempt0-21swapper/109:11:461
81560rcu_preempt0-21swapper/108:45:251
81560rcu_preempt0-21swapper/010:35:020
81560rcu_preempt0-21swapper/010:29:000
81550rcu_preempt0-21swapper/107:24:081
81550rcu_preempt0-21swapper/007:54:300
81550rcu_preempt0-21swapper/007:34:290
81550rcu_preempt0-21swapper/007:24:140
81540rcu_preempt0-21swapper/009:19:110
81540rcu_preempt0-21swapper/008:24:300
81540rcu_preempt0-21swapper/007:39:570
81540rcu_preempt0-21swapper/007:32:530
81540rcu_preempt0-21swapper/007:24:060
81530rcu_preempt27107-21ntp_states07:54:281
81530rcu_preempt0-21swapper/108:34:321
81510rcu_preempt0-21swapper/008:40:190
81500rcu_preempt0-21swapper/009:09:470
16102994946cyclictest945-21usb-storage07:59:260
81480rcu_preempt10692-21fw_conntrack08:59:220
81470rcu_preempt31574-21df08:14:191
81380rcu_preempt31099-21python08:09:320
81370rcu_preempt19-21ksoftirqd/109:04:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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