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2025-12-06 - 20:07
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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 rack9slot4.osadl.org (updated Sat Dec 06, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15906112083sleep0-21swapper/103:45:401
162219911614cyclictest0-21swapper/004:21:130
16221991148cyclictest0-21swapper/004:51:010
162219911359cyclictest14484-21latency_hist09:16:090
16221991134cyclictest1115-21head04:41:140
16221991133cyclictest20757-21sh06:40:230
16221991124cyclictest30867-21ssh06:01:310
16221991118cyclictest0-21swapper/007:31:540
16221991113cyclictest16459-21latency_hist05:31:020
162219911010cyclictest0-21swapper/008:37:560
16221991099cyclictest0-21swapper/005:11:150
16221991098cyclictest0-21swapper/004:11:000
16221991098cyclictest0-21swapper/003:56:010
16221991094cyclictest0-21swapper/007:56:180
16221991093cyclictest26881-21latency_hist06:51:050
162219910858cyclictest0-21swapper/005:56:270
16221991083cyclictest12172-21latency_hist06:26:040
16221991078cyclictest0-21swapper/008:45:210
16221991074cyclictest14895-21crond05:26:020
16221991073cyclictest28818-21aten_r9power_en04:26:140
16221991073cyclictest10212-21ssh09:07:130
16221991069cyclictest0-21swapper/005:16:450
16221991063cyclictest24085-21latency_hist05:51:030
16221991063cyclictest18040-21latency_hist05:36:030
16070110671sleep0-21swapper/003:45:510
16221991058cyclictest0-21swapper/007:06:180
16221991053cyclictest1884-21unixbench_singl06:06:520
16221991053cyclictest1884-21unixbench_singl06:06:520
16221991053cyclictest18180-21cut05:36:160
16221991043cyclictest32696-21kworker/u4:208:16:200
16221991043cyclictest21136-21latency_hist05:46:030
16221991039cyclictest0-21swapper/004:56:280
16221991038cyclictest0-21swapper/005:09:150
16221991037cyclictest0-21swapper/004:16:150
16221991034cyclictest32737-21latency_hist07:01:050
16221991033cyclictest20923-21aten_r9power_cu07:36:190
16221991028cyclictest0-21swapper/009:02:210
16221991028cyclictest0-21swapper/007:21:510
16221991028cyclictest0-21swapper/007:06:050
162219910277cyclictest0-21swapper/005:01:350
162219910277cyclictest0-21swapper/005:01:350
162219910257cyclictest6950irq/18-mmc007:12:110
16221991023cyclictest21138-21diskmemload05:53:160
16221991023cyclictest17792-21/usr/sbin/munin08:26:200
16221991008cyclictest0-21swapper/006:36:040
16221991006cyclictest6523-21aten_r9power_en06:16:160
162219910054cyclictest0-21swapper/007:54:200
1622199994cyclictest22062-21sshd08:31:570
1622199993cyclictest1460-21ssh08:52:230
16221999863cyclictest0-21swapper/008:06:240
16221999850cyclictest6224-21ssh06:15:510
16221999850cyclictest6224-21ssh06:15:510
1622199978cyclictest0-21swapper/007:46:250
16221999752cyclictest0-21swapper/008:21:270
16221999512cyclictest0-21swapper/008:58:570
1622199948cyclictest0-21swapper/007:41:410
1622199947cyclictest0-21swapper/004:11:210
16221999442cyclictest9809-21ssh08:11:390
1622199939cyclictest0-21swapper/006:26:200
1622199939cyclictest0-21swapper/004:36:180
16221999371cyclictest0-21swapper/008:46:260
16221999310cyclictest0-21swapper/007:16:390
1622199927cyclictest0-21swapper/004:32:490
16221999260cyclictest0-21swapper/004:51:150
1622199919cyclictest0-21swapper/003:51:240
16221999164cyclictest6950irq/18-mmc006:41:230
1622199914cyclictest74-21mmcqd/004:06:000
1622199913cyclictest74-21mmcqd/008:01:400
1622199894cyclictest17835-21latency_hist07:31:060
1622199893cyclictest29077-21ssh06:53:540
1622199828cyclictest0-21swapper/003:46:260
33950750irq/43-eth01799migration/108:51:211
6950710irq/18-mmc04592-21perl04:51:251
16236997130cyclictest0-21swapper/105:06:441
1799700migration/11238-21/usr/sbin/munin07:56:471
1623699698cyclictest0-21swapper/109:08:081
16236996719cyclictest0-21swapper/104:46:261
33950660irq/43-eth012850-21ntp_kernel_pll_08:16:411
33950650irq/43-eth021487-21ssh08:31:381
33950650irq/43-eth018126-21ssh08:26:271
1623699658cyclictest0-21swapper/104:06:321
16236996515cyclictest0-21swapper/105:31:351
33950640irq/43-eth06481-21ssh06:16:161
33950640irq/43-eth0480-21systemd-journal08:40:511
33950640irq/43-eth04225-21ssh08:56:531
1623699638cyclictest0-21swapper/106:33:481
1623699638cyclictest0-21swapper/106:14:011
1623699638cyclictest0-21swapper/106:14:011
1699630watchdog/129872-21/usr/sbin/munin04:26:401
33950620irq/43-eth06667-21ssh07:11:281
33950620irq/43-eth018308-21ssh06:36:181
16236996248cyclictest191ksoftirqd/107:51:251
33950610irq/43-eth029996-21fschecks_time08:46:301
33950610irq/43-eth024134-21df07:41:231
1799610migration/127864-21if_eth104:21:251
1623699617cyclictest0-21swapper/105:55:471
16236996119cyclictest0-21swapper/106:51:431
16236996111cyclictest0-21swapper/104:31:271
1699610watchdog/113022-21missed_timers07:21:371
33950600irq/43-eth09492-21fschecks_time08:11:321
33950600irq/43-eth015383-21df07:26:231
1799600migration/19889-21/usr/sbin/munin07:16:331
1799600migration/17114-21latency_hist05:01:021
1699600watchdog/128626-21ssh07:48:261
1699600watchdog/128373-21ssh08:43:161
1699600watchdog/127473-21df05:56:191
1699600watchdog/121681-21perl06:41:281
33950590irq/43-eth022282-21ntp_states05:46:391
33950590irq/43-eth014682-21ssh06:29:491
1799590migration/131221-21rt-features06:01:431
1799590migration/11961-21/usr/sbin/munin04:41:371
16236995923cyclictest0-21swapper/108:25:481
16236995913cyclictest0-21swapper/105:11:391
16236995912cyclictest0-21swapper/105:16:331
1699590watchdog/131559-21ssh06:57:371
33950580irq/43-eth06151-21df09:01:261
33950580irq/43-eth023580-21ssh07:40:511
33950580irq/43-eth02157-21ssh07:02:581
1799580migration/113748-21/usr/sbin/munin05:21:241
1623699588cyclictest0-21swapper/109:14:181
16236995811cyclictest0-21swapper/104:36:211
1699580watchdog/126220-21ssh06:49:081
1699580watchdog/120362-21irqstats05:41:301
33950570irq/43-eth017985-21ssh07:31:191
33950570irq/43-eth015387-21grep05:26:351
33950570irq/43-eth00-21swapper/106:09:041
33950570irq/43-eth00-21swapper/106:09:041
1799570migration/118862-21/usr/sbin/munin03:51:361
1799570migration/110028-21/usr/sbin/munin06:21:301
1623699579cyclictest0-21swapper/104:16:111
33950560irq/43-eth06360-21df_inode08:06:261
33950560irq/43-eth03939-21irqstats08:01:501
1799560migration/124882-21/usr/sbin/munin04:11:311
1623699569cyclictest0-21swapper/107:06:401
16236995617cyclictest0-21swapper/105:01:341
16236995617cyclictest0-21swapper/105:01:341
16236995610cyclictest0-21swapper/103:46:441
1799550migration/121800-21needreboot04:01:301
1699550watchdog/119008-21ntp_states05:36:381
1623699548cyclictest0-21swapper/103:56:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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