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2026-06-05 - 19:18
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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 all highest latencies:
System rackcslot3.osadl.org (updated Fri Jun 05, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81840rcu_preempt1662-1kworker/0:2H10:50:280
81770rcu_preempt0-21swapper/107:12:501
81740rcu_preempt6370-21latency_hist08:18:061
81740rcu_preempt2364-21idleruntime-cro10:38:060
81720rcu_preempt0-21swapper/109:58:211
81710rcu_preempt18780-21df10:08:210
81710rcu_preempt17877-21ssh10:06:250
81710rcu_preempt12566-21ssh09:56:550
81710rcu_preempt12566-21ssh09:56:550
81710rcu_preempt0-21swapper/008:53:200
81700rcu_preempt25210-21df_inode07:23:210
81700rcu_preempt24964-21apt-get07:23:181
81700rcu_preempt20228-21diskmemload10:31:561
81700rcu_preempt20228-21diskmemload09:19:330
81700rcu_preempt11078-21memory09:53:261
81700rcu_preempt11078-21memory09:53:261
81700rcu_preempt0-21swapper/109:18:401
81700rcu_preempt0-21swapper/009:58:300
81690rcu_preempt28980-21df09:28:210
81690rcu_preempt20683-21diskstats09:13:200
81690rcu_preempt0-21swapper/112:34:181
81680rcu_preempt5133-21sed08:13:061
81680rcu_preempt20422-21ssh12:10:031
81680rcu_preempt0-21swapper/112:28:571
81680rcu_preempt0-21swapper/111:48:171
81680rcu_preempt0-21swapper/111:38:131
81680rcu_preempt0-21swapper/110:49:241
81680rcu_preempt0-21swapper/110:40:251
81680rcu_preempt0-21swapper/011:03:310
81670rcu_preempt0-21swapper/109:38:511
81670rcu_preempt0-21swapper/109:31:271
81670rcu_preempt0-21swapper/009:27:110
81660rcu_preempt30339-21cut11:28:280
81660rcu_preempt17462-21ssh12:04:240
81660rcu_preempt16584-21ntpq10:03:291
81660rcu_preempt0-21swapper/111:08:181
81660rcu_preempt0-21swapper/111:08:181
81660rcu_preempt0-21swapper/110:34:571
81660rcu_preempt0-21swapper/108:50:161
81650rcu_preempt27104-21tr11:23:201
81650rcu_preempt2192-21snmpd12:08:250
81650rcu_preempt0-21swapper/111:20:481
81650rcu_preempt0-21swapper/110:16:561
81650rcu_preempt0-21swapper/109:33:211
81640rcu_preempt0-21swapper/109:49:191
81640rcu_preempt0-21swapper/108:03:301
81640rcu_preempt0-21swapper/011:48:510
81640rcu_preempt0-21swapper/011:11:400
81640rcu_preempt0-21swapper/011:11:400
81630rcu_preempt3258-21ls09:38:330
81630rcu_preempt18781-21ls09:03:301
81630rcu_preempt15769-21sh12:02:490
81630rcu_preempt0-21swapper/010:28:290
81630rcu_preempt0-21swapper/008:50:060
81620rcu_preempt27842-21ps12:23:310
81620rcu_preempt20228-21diskmemload12:13:280
81620rcu_preempt0-21swapper/112:14:161
81620rcu_preempt0-21swapper/007:08:320
81610rcu_preempt4817-21ssh12:41:241
81610rcu_preempt11458-21ssh11:53:281
81610rcu_preempt0-21swapper/111:38:011
81610rcu_preempt0-21swapper/110:58:281
81610rcu_preempt0-21swapper/110:18:131
81610rcu_preempt0-21swapper/109:48:021
81610rcu_preempt0-21swapper/109:14:411
81610rcu_preempt0-21swapper/108:18:271
81610rcu_preempt0-21swapper/010:55:060
146250610irq/28-eth0-rx-41ktimersoftd/012:35:020
81600rcu_preempt4099-21ssh12:39:060
81600rcu_preempt27197-21ssh12:23:201
81600rcu_preempt26366-21ssh10:22:110
81600rcu_preempt22217-21ssh11:13:291
81600rcu_preempt20944-21ssh10:12:431
81600rcu_preempt0-21swapper/111:45:571
81600rcu_preempt0-21swapper/108:43:231
81600rcu_preempt0-21swapper/108:33:221
81600rcu_preempt0-21swapper/108:33:221
81600rcu_preempt0-21swapper/011:42:350
81590rcu_preempt17245-21ssh11:03:591
81590rcu_preempt14680-21ssh10:59:200
81590rcu_preempt0-21swapper/112:21:541
81590rcu_preempt0-21swapper/110:53:321
81590rcu_preempt0-21swapper/110:44:141
81590rcu_preempt0-21swapper/110:26:271
81590rcu_preempt0-21swapper/109:23:391
81590rcu_preempt0-21swapper/011:53:200
81590rcu_preempt0-21swapper/011:13:290
81590rcu_preempt0-21swapper/008:43:310
81590rcu_preempt0-21swapper/007:48:260
81580rcu_preempt7679-21apt-get09:48:190
81580rcu_preempt6913-21ssh09:46:210
81580rcu_preempt29638-21/usr/sbin/munin11:28:241
81580rcu_preempt26294-21ssh12:21:320
81580rcu_preempt22879-21ssh10:15:130
81580rcu_preempt20029-21smartctl09:08:321
81580rcu_preempt0-21swapper/112:03:271
81580rcu_preempt0-21swapper/111:59:351
81580rcu_preempt0-21swapper/011:33:290
81580rcu_preempt0-21swapper/010:40:120
81580rcu_preempt0-21swapper/008:33:260
81580rcu_preempt0-21swapper/008:33:260
81580rcu_preempt0-21swapper/007:22:250
81570rcu_preempt29293-21munin-run10:28:070
81570rcu_preempt16294-21cat08:53:311
81570rcu_preempt1537-21sed07:58:201
81570rcu_preempt0-21swapper/108:24:111
81570rcu_preempt0-21swapper/107:41:151
81570rcu_preempt0-21swapper/107:23:061
81570rcu_preempt0-21swapper/012:31:020
81570rcu_preempt0-21swapper/011:44:060
81570rcu_preempt0-21swapper/010:46:560
81570rcu_preempt0-21swapper/009:08:280
22244995741cyclictest181ktimersoftd/107:28:231
81560rcu_preempt0-21swapper/107:56:341
81560rcu_preempt0-21swapper/009:01:030
81560rcu_preempt0-21swapper/007:13:230
81550rcu_preempt2192-21snmpd08:27:390
81550rcu_preempt0-21swapper/108:38:251
81550rcu_preempt0-21swapper/107:48:231
81550rcu_preempt0-21swapper/107:43:071
81550rcu_preempt0-21swapper/107:37:241
81550rcu_preempt0-21swapper/009:35:220
81550rcu_preempt0-21swapper/008:03:300
81550rcu_preempt0-21swapper/007:53:210
146250550irq/28-eth0-rx-41ktimersoftd/011:23:370
81540rcu_preempt2192-21snmpd08:02:340
81540rcu_preempt0-21swapper/109:02:191
81540rcu_preempt0-21swapper/011:22:110
81540rcu_preempt0-21swapper/008:21:370
81540rcu_preempt0-21swapper/007:31:310
81530rcu_preempt12172-21strings08:38:290
81530rcu_preempt0-21swapper/007:38:310
22244995347cyclictest945-21usb-storage08:32:401
81520rcu_preempt0-21swapper/008:16:480
22243995248cyclictest945-21usb-storage08:28:260
81510rcu_preempt0-21swapper/008:11:080
81500rcu_preempt0-21swapper/009:03:290
81490rcu_preempt0-21swapper/007:44:270
22244994542cyclictest945-21usb-storage07:13:221
81410rcu_preempt3-21ksoftirqd/007:38:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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