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2025-12-19 - 15:32
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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 Fri Dec 19, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81730rcu_preempt0-21swapper/107:09:151
81700rcu_preempt0-21swapper/010:40:400
81690rcu_preempt4634-21sh09:35:220
81690rcu_preempt21496-1kworker/0:1H12:22:480
81690rcu_preempt2138-21snmpd07:09:130
81680rcu_preempt20289-21diskmemload11:42:500
81680rcu_preempt0-21swapper/010:50:240
81680rcu_preempt0-21swapper/010:50:240
81680rcu_preempt0-21swapper/010:02:360
81680rcu_preempt0-21swapper/009:29:570
81670rcu_preempt18048-21sh11:33:470
81670rcu_preempt0-21swapper/110:25:251
81670rcu_preempt0-21swapper/109:00:141
81670rcu_preempt0-21swapper/012:09:210
81670rcu_preempt0-21swapper/011:21:270
81670rcu_preempt0-21swapper/010:00:070
81660rcu_preempt20289-21diskmemload10:32:431
81660rcu_preempt0-21swapper/112:30:361
81660rcu_preempt0-21swapper/112:07:031
147950660irq/31-eth0-tx-41ktimersoftd/010:05:320
81650rcu_preempt26927-21munin-run09:20:140
81650rcu_preempt17512-21sh11:32:181
81650rcu_preempt0-21swapper/112:04:441
81650rcu_preempt0-21swapper/112:04:441
81650rcu_preempt0-21swapper/111:06:551
81650rcu_preempt0-21swapper/110:36:441
81650rcu_preempt0-21swapper/109:25:231
81650rcu_preempt0-21swapper/012:37:020
81650rcu_preempt0-21swapper/009:21:440
81640rcu_preempt22813-21sed11:40:411
81640rcu_preempt20289-21diskmemload11:52:361
81640rcu_preempt0-21swapper/109:37:431
81640rcu_preempt0-21swapper/107:15:331
81640rcu_preempt0-21swapper/011:05:110
81630rcu_preempt0-21swapper/111:46:001
81630rcu_preempt0-21swapper/111:05:041
81630rcu_preempt0-21swapper/110:12:151
81630rcu_preempt0-21swapper/109:56:201
81630rcu_preempt0-21swapper/109:49:241
81630rcu_preempt0-21swapper/011:35:360
81630rcu_preempt0-21swapper/010:47:050
81630rcu_preempt0-21swapper/010:33:170
81620rcu_preempt0-21swapper/112:35:431
81620rcu_preempt0-21swapper/112:21:421
81620rcu_preempt0-21swapper/111:21:061
81620rcu_preempt0-21swapper/110:20:181
81620rcu_preempt0-21swapper/109:44:551
81620rcu_preempt0-21swapper/012:10:250
81610rcu_preempt31206-21cpuspeed_turbos10:15:271
81610rcu_preempt11598-21df_inode09:45:300
81610rcu_preempt0-21swapper/111:13:081
81610rcu_preempt0-21swapper/007:15:370
81600rcu_preempt7061-21cut08:15:311
81600rcu_preempt0-21swapper/110:00:341
81600rcu_preempt0-21swapper/108:40:211
81600rcu_preempt0-21swapper/108:00:301
81600rcu_preempt0-21swapper/107:45:361
81600rcu_preempt0-21swapper/012:00:450
81600rcu_preempt0-21swapper/012:00:450
81600rcu_preempt0-21swapper/011:59:290
81590rcu_preempt8086-21ssh11:17:411
81590rcu_preempt2817-21ssh09:31:200
81590rcu_preempt16042-21ssh09:51:161
81590rcu_preempt15210-21ssh11:29:151
81590rcu_preempt10333-21/usr/sbin/munin08:30:291
81590rcu_preempt10333-21/usr/sbin/munin08:30:291
81590rcu_preempt0-21swapper/109:20:201
81590rcu_preempt0-21swapper/108:10:331
81590rcu_preempt0-21swapper/107:25:311
81590rcu_preempt0-21swapper/012:32:140
81590rcu_preempt0-21swapper/011:15:380
81590rcu_preempt0-21swapper/010:25:380
81590rcu_preempt0-21swapper/009:45:120
81590rcu_preempt0-21swapper/008:20:330
81580rcu_preempt25418-21ssh09:16:391
81580rcu_preempt23397-21ssh10:51:231
81580rcu_preempt23397-21ssh10:51:231
81580rcu_preempt0-21swapper/110:58:281
81580rcu_preempt0-21swapper/110:05:321
81580rcu_preempt0-21swapper/109:34:271
81580rcu_preempt0-21swapper/108:46:241
81580rcu_preempt0-21swapper/012:30:010
81580rcu_preempt0-21swapper/010:19:440
81580rcu_preempt0-21swapper/008:19:270
81580rcu_preempt0-21swapper/007:20:350
81570rcu_preempt32119-21df_inode11:05:280
81570rcu_preempt21311-21ssh11:39:341
81570rcu_preempt20777-21ssh10:48:021
81570rcu_preempt0-21swapper/112:13:091
81570rcu_preempt0-21swapper/110:40:411
81570rcu_preempt0-21swapper/108:36:361
81570rcu_preempt0-21swapper/108:25:311
81570rcu_preempt0-21swapper/108:05:411
81570rcu_preempt0-21swapper/107:40:331
81570rcu_preempt0-21swapper/107:10:391
81570rcu_preempt0-21swapper/009:52:450
81560rcu_preempt756-21ssh11:59:141
81560rcu_preempt4291-21ssh11:11:280
81560rcu_preempt27282-21ssh10:57:460
81560rcu_preempt25966-21ssh11:45:420
81560rcu_preempt23401-21ssh09:14:451
81560rcu_preempt21978-21ssh09:11:210
81560rcu_preempt12526-21ssh12:18:100
81560rcu_preempt0-21swapper/112:28:401
81560rcu_preempt0-21swapper/112:18:391
81560rcu_preempt0-21swapper/109:00:381
81560rcu_preempt0-21swapper/108:51:571
81560rcu_preempt0-21swapper/108:20:201
81560rcu_preempt0-21swapper/107:55:361
81560rcu_preempt0-21swapper/107:32:261
81560rcu_preempt0-21swapper/011:52:100
81550rcu_preempt0-21swapper/107:36:261
81550rcu_preempt0-21swapper/010:36:340
81550rcu_preempt0-21swapper/010:11:100
81550rcu_preempt0-21swapper/007:53:240
81550rcu_preempt0-21swapper/007:45:380
81550rcu_preempt0-21swapper/007:10:300
147650550irq/28-eth0-rx-41ktimersoftd/010:23:400
81540rcu_preempt0-21swapper/008:54:330
81540rcu_preempt0-21swapper/008:45:390
81540rcu_preempt0-21swapper/008:14:030
81540rcu_preempt0-21swapper/007:35:100
81530rcu_preempt26582-21awk07:25:310
81530rcu_preempt2564-21munin-run08:00:140
81530rcu_preempt15390-21ssh11:29:450
81530rcu_preempt0-21swapper/107:54:171
81530rcu_preempt0-21swapper/107:20:291
81530rcu_preempt0-21swapper/008:29:260
81530rcu_preempt0-21swapper/007:40:260
81520rcu_preempt0-21swapper/109:07:331
81520rcu_preempt0-21swapper/009:01:520
81520rcu_preempt0-21swapper/008:56:110
81510rcu_preempt0-21swapper/008:37:040
81510rcu_preempt0-21swapper/008:01:010
81500rcu_preempt0-21swapper/008:41:150
81480rcu_preempt0-21swapper/007:39:240
22324994844cyclictest945-21usb-storage09:05:150
22324994744cyclictest945-21usb-storage08:05:270
81450rcu_preempt11062-21ntp_states08:30:360
81450rcu_preempt11062-21ntp_states08:30:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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