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2025-02-11 - 03:56
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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 Feb 11, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16991060migration/111719-21latency_hist19:05:211
81760rcu_preempt21577-21apt21:30:201
81760rcu_preempt19873-21diskstats23:30:321
81700rcu_preempt4420-21ssh21:56:521
81700rcu_preempt32113-1kworker/0:2H22:23:150
81700rcu_preempt0-21swapper/020:45:490
81700rcu_preempt0-21swapper/020:15:430
81690rcu_preempt32113-1kworker/0:2H22:03:480
81690rcu_preempt0-21swapper/119:30:491
81690rcu_preempt0-21swapper/022:15:470
81680rcu_preempt8079-21sh23:07:110
81680rcu_preempt6757-21sh00:07:411
81680rcu_preempt25911-21users21:35:480
81670rcu_preempt0-21swapper/122:43:301
81670rcu_preempt0-21swapper/122:15:321
81670rcu_preempt0-21swapper/122:00:471
81660rcu_preempt24707-21ssh21:35:241
81660rcu_preempt0-21swapper/123:53:191
81660rcu_preempt0-21swapper/123:53:191
81660rcu_preempt0-21swapper/021:31:220
81660rcu_preempt0-21swapper/020:26:400
81650rcu_preempt6905-21switchtime20:50:481
81650rcu_preempt11089-21apt-get21:10:380
81650rcu_preempt0-21swapper/123:45:471
81650rcu_preempt0-21swapper/123:27:291
81650rcu_preempt0-21swapper/022:34:250
81640rcu_preempt30306-21gzip20:15:441
81640rcu_preempt0-21swapper/123:10:531
81640rcu_preempt0-21swapper/122:55:521
81640rcu_preempt0-21swapper/122:46:121
81640rcu_preempt0-21swapper/122:28:321
81640rcu_preempt0-21swapper/120:55:391
81640rcu_preempt0-21swapper/100:18:081
81630rcu_preempt7892-21ssh23:06:391
81630rcu_preempt0-21swapper/121:31:271
81630rcu_preempt0-21swapper/121:17:171
81630rcu_preempt0-21swapper/119:50:481
81630rcu_preempt0-21swapper/100:14:041
81630rcu_preempt0-21swapper/019:20:370
81620rcu_preempt27989-21diskstats21:40:360
81620rcu_preempt25649-21ssh22:38:161
81620rcu_preempt0-21swapper/123:43:531
81620rcu_preempt0-21swapper/123:15:341
81620rcu_preempt0-21swapper/122:54:071
81620rcu_preempt0-21swapper/122:22:331
81620rcu_preempt0-21swapper/122:11:061
81620rcu_preempt0-21swapper/121:50:251
81620rcu_preempt0-21swapper/121:12:151
81620rcu_preempt0-21swapper/120:39:081
81620rcu_preempt0-21swapper/119:35:371
81620rcu_preempt0-21swapper/119:28:091
81620rcu_preempt0-21swapper/119:13:281
81620rcu_preempt0-21swapper/019:50:410
81620rcu_preempt0-21swapper/019:28:460
81610rcu_preempt31577-21ps20:20:451
81610rcu_preempt30015-21ssh21:44:011
81610rcu_preempt0-21swapper/122:31:201
81610rcu_preempt0-21swapper/119:55:431
81610rcu_preempt0-21swapper/023:51:280
81610rcu_preempt0-21swapper/023:51:280
81610rcu_preempt0-21swapper/021:45:530
81610rcu_preempt0-21swapper/020:30:380
81610rcu_preempt0-21swapper/019:18:330
81600rcu_preempt23144-21ssh00:39:031
81600rcu_preempt17128-21ssh21:20:281
81600rcu_preempt0-21swapper/123:21:481
81600rcu_preempt0-21swapper/120:25:451
81600rcu_preempt0-21swapper/120:05:341
81600rcu_preempt0-21swapper/119:20:441
81600rcu_preempt0-21swapper/023:47:590
81600rcu_preempt0-21swapper/021:20:270
89050590irq/17-ehci_hcd945-21usb-storage19:10:030
81590rcu_preempt9377-21ssh22:07:211
81590rcu_preempt6980-21ssh23:04:191
81590rcu_preempt31637-21ssh21:48:381
81590rcu_preempt16306-21ssh00:25:481
81590rcu_preempt13894-21ssh00:20:391
81590rcu_preempt0-21swapper/123:55:311
81590rcu_preempt0-21swapper/123:35:381
81590rcu_preempt0-21swapper/120:10:411
81590rcu_preempt0-21swapper/023:28:590
81590rcu_preempt0-21swapper/000:11:320
81580rcu_preempt9593-21turbostat21:05:210
81580rcu_preempt19988-21ssh00:33:031
81580rcu_preempt0-21swapper/120:30:371
81580rcu_preempt0-21swapper/119:45:431
81580rcu_preempt0-21swapper/100:01:201
81570rcu_preempt16497-21ssh00:26:200
81570rcu_preempt0-21swapper/022:37:500
81570rcu_preempt0-21swapper/021:05:440
81560rcu_preempt28153-21ssh22:41:540
81560rcu_preempt19547-21ssh22:26:380
81560rcu_preempt10816-21fw_conntrack00:15:380
81560rcu_preempt0-21swapper/120:04:311
81560rcu_preempt0-21swapper/023:31:500
81560rcu_preempt0-21swapper/023:02:510
81560rcu_preempt0-21swapper/022:49:150
81560rcu_preempt0-21swapper/021:56:500
81560rcu_preempt0-21swapper/000:32:150
81560rcu_preempt0-21swapper/000:02:420
81550rcu_preempt7070-21ssh00:08:440
81550rcu_preempt0-21swapper/120:41:511
81550rcu_preempt0-21swapper/120:41:511
81550rcu_preempt0-21swapper/119:15:561
81550rcu_preempt0-21swapper/023:43:150
81550rcu_preempt0-21swapper/023:39:530
81550rcu_preempt0-21swapper/022:59:490
81550rcu_preempt0-21swapper/022:07:430
81550rcu_preempt0-21swapper/021:52:150
81550rcu_preempt0-21swapper/019:10:350
81540rcu_preempt9981-21diskstats21:05:371
81540rcu_preempt32723-21ssh22:51:230
81540rcu_preempt22277-21ssh00:36:170
81540rcu_preempt21980-21cpu19:45:340
81540rcu_preempt17468-21ssh23:25:050
81540rcu_preempt15853-21ssh21:17:180
81540rcu_preempt13447-21ssh23:16:100
81540rcu_preempt0-21swapper/023:57:060
81540rcu_preempt0-21swapper/020:38:470
81540rcu_preempt0-21swapper/000:23:300
81530rcu_preempt0-21swapper/023:10:330
81530rcu_preempt0-21swapper/022:13:530
81530rcu_preempt0-21swapper/021:26:280
81530rcu_preempt0-21swapper/020:21:250
81520rcu_preempt6371-21if_eth120:50:420
81520rcu_preempt4558-21munin-run20:45:210
81520rcu_preempt4558-21munin-run20:45:210
81520rcu_preempt0-21swapper/121:00:591
81520rcu_preempt0-21swapper/120:47:051
81520rcu_preempt0-21swapper/019:55:350
81510rcu_preempt0-21swapper/019:40:520
81500rcu_preempt0-21swapper/020:57:020
81500rcu_preempt0-21swapper/019:32:500
12957995048cyclictest945-21usb-storage20:10:480
12957994846cyclictest945-21usb-storage20:05:430
81460rcu_preempt25951-21df_inode20:00:340
81460rcu_preempt0-21swapper/019:36:020
12972993936cyclictest945-21usb-storage19:42:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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