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2025-11-24 - 10:57
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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 100 highest latencies:
System rack9slot4.osadl.org (updated Mon Nov 24, 2025 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27844113271sleep0-21swapper/121:54:181
27955991294cyclictest5891-21latency_hist02:49:300
26940111471sleep0-21swapper/021:54:010
279559911270cyclictest6950irq/18-mmc000:39:260
27955991094cyclictest304-21snmpd00:44:430
27955991093cyclictest22938-21/usr/sbin/munin23:19:550
27955991064cyclictest15310-21ssh02:09:490
27955991054cyclictest6255-21ssh00:59:270
27955991053cyclictest26722-21latency_hist01:34:270
27955991044cyclictest14032-21runrttasks22:52:150
27955991028cyclictest0-21swapper/023:34:240
27955991014cyclictest32644-21latency_hist22:09:210
27955991013cyclictest2094-21sh23:55:420
279559910115cyclictest7360-21/usr/sbin/munin00:04:570
27955991004cyclictest422-21diskmemload00:19:420
27955991004cyclictest2998-21latency_hist02:44:300
27955999990cyclictest6950irq/18-mmc000:14:470
2795599998cyclictest0-21swapper/002:19:480
2795599998cyclictest0-21swapper/002:09:220
2795599993cyclictest74-21mmcqd/003:24:310
27955999847cyclictest6950irq/18-mmc001:45:100
2795599983cyclictest29754-21latency_hist23:44:240
2795599983cyclictest10438-21sh02:00:150
2795599978cyclictest0-21swapper/001:14:510
27955999748cyclictest24841-21opkg02:25:120
2795599973cyclictest4821-21latency_hist22:24:220
2795599969cyclictest0-21swapper/003:09:520
27955999654cyclictest0-21swapper/021:54:420
27955999635cyclictest28938-21sh01:37:190
2795599963cyclictest27583-21ssh02:29:590
27955999610cyclictest0-21swapper/000:40:160
2795599958cyclictest0-21swapper/000:09:520
27955999510cyclictest0-21swapper/023:09:450
2795599948cyclictest0-21swapper/000:27:180
27955999455cyclictest6950irq/18-mmc003:04:300
2795599945cyclictest6373-21latency_hist00:04:250
2795599944cyclictest30466-21if_can001:39:540
2795599943cyclictest29617-21grep02:34:300
27955999429cyclictest30715-21unixbench_singl21:59:580
2795599938cyclictest0-21swapper/001:04:340
2795599933cyclictest7842-21ssh01:00:430
2795599929cyclictest0-21swapper/023:04:400
2795599928cyclictest0-21swapper/023:34:560
27955999219cyclictest0-21swapper/023:14:410
27955999212cyclictest27944-21cyclictest03:14:560
27955999210cyclictest0-21swapper/022:59:410
2795599918cyclictest0-21swapper/023:49:240
2795599918cyclictest0-21swapper/001:59:000
27955999166cyclictest6950irq/18-mmc002:50:000
27955999152cyclictest0-21swapper/022:24:380
2795599914cyclictest12610-21latency_hist22:49:230
2795599913cyclictest15494-21kworker/u4:223:24:560
2795599908cyclictest0-21swapper/000:49:430
2795599907cyclictest0-21swapper/000:31:420
2795599899cyclictest0-21swapper/023:49:470
27955998940cyclictest3343-21aten_r9power_po01:49:400
2795599889cyclictest0-21swapper/022:34:540
2795599887cyclictest0-21swapper/001:25:540
2795599878cyclictest0-21swapper/022:54:500
2795599873cyclictest33950irq/43-eth003:04:440
2795599873cyclictest1785-21latency_hist22:14:220
2795599869cyclictest0-21swapper/022:29:490
2795599869cyclictest0-21swapper/002:14:490
2795599868cyclictest0-21swapper/001:14:270
2795599863cyclictest18008-21cat01:19:280
2795599858cyclictest0-21swapper/002:55:240
2795599829cyclictest0-21swapper/022:09:480
2795599818cyclictest0-21swapper/022:39:470
6950800irq/18-mmc029715-21ssh01:39:271
6950740irq/18-mmc011661-21ssh00:12:521
6950730irq/18-mmc023682-21ssh03:19:401
6950720irq/18-mmc07842-21ssh01:00:431
6950720irq/18-mmc020949-21ssh00:29:171
33950700irq/43-eth00-21swapper/102:59:471
33950680irq/43-eth01799migration/102:15:291
33950650irq/43-eth09022-21/usr/sbin/munin02:55:161
2796399638cyclictest0-21swapper/102:34:421
1799630migration/115275-21cstates02:09:441
7050620irq/18-mmc1326-21runrttasks23:56:171
27963996220cyclictest0-21swapper/123:22:091
27963996211cyclictest0-21swapper/102:29:531
27963996210cyclictest0-21swapper/101:29:541
33950610irq/43-eth06074-21latency_hist01:54:291
33950610irq/43-eth04432-21users02:45:181
33950610irq/43-eth029837-21ssh01:39:391
33950610irq/43-eth00-21swapper/101:24:281
27963996115cyclictest0-21swapper/100:49:401
2796399609cyclictest0-21swapper/122:39:521
1799600migration/13918-21/usr/sbin/munin22:19:441
1799600migration/132724-21runrttasks23:52:091
6950590irq/18-mmc021483-21diskstats00:29:451
33950590irq/43-eth04682-21ssh00:55:101
33950590irq/43-eth020928-21aten_r9power_po02:19:401
33950590irq/43-eth00-21swapper/103:15:501
33950590irq/43-eth00-21swapper/100:19:121
2796399598cyclictest0-21swapper/100:35:271
2796399597cyclictest0-21swapper/121:58:301
1799590migration/124922-21rt-features02:25:131
1799590migration/112364-21runrttasks22:45:301
1699590watchdog/121305-21df_inode01:24:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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