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2026-05-12 - 19:53
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 50 highest latencies:
System rack4slot2.osadl.org (updated Tue May 12, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502660,0irq/46-4a10000029359-1kworker/u3:107:02:060
30972999972,0cyclictest10029-21irqstats12:20:030
30972999970,0cyclictest14827-21sed09:24:450
30972999879,0cyclictest1584-21/usr/sbin/munin07:10:320
30972999778,0cyclictest1361-21cut11:54:540
30972999676,0cyclictest28654-21fschecks_time08:29:540
30972999674,0cyclictest7340-21runrttasks12:11:570
30972999670,0cyclictest217-21lighttpd07:31:140
30972999574,0cyclictest24431-21runrttasks09:52:090
30972999574,0cyclictest12636-21runrttasks12:28:240
30972999567,0cyclictest702-1kworker/u3:211:54:230
30972999475,0cyclictest26759-21/usr/sbin/munin11:34:420
30972999371,0cyclictest29387-21runrttasks11:40:350
30972999371,0cyclictest17829-21runrttasks07:59:110
30972999370,0cyclictest22651-21runrttasks11:21:240
30972999358,0cyclictest0-21swapper08:05:010
30972999273,0cyclictest32414-21seq10:15:170
30972999268,0cyclictest16556-21df_abs09:29:460
30972999266,0cyclictest22158-1kworker/u3:109:45:180
30972999172,0cyclictest3958-21seq12:02:120
30972999172,0cyclictest21142-21seq11:18:040
30972999172,0cyclictest17230-21switchtime11:05:230
30972999172,0cyclictest10772-21seq10:47:130
30972999171,0cyclictest14544-21latency_hist10:59:300
30972999171,0cyclictest10908-21seq09:13:260
30972999170,0cyclictest19257-21runrttasks08:01:510
30972999168,0cyclictest2122-21runrttasks10:21:100
30972999071,0cyclictest29703-21seq10:08:250
30972999071,0cyclictest13219-21/usr/sbin/munin12:29:510
30972999069,0cyclictest4550-21cstates07:19:440
30972999069,0cyclictest30287-21diskstats08:34:510
30972999056,0cyclictest0-21swapper09:15:290
30972998972,0cyclictest30970-21cyclictest07:16:150
30972998970,0cyclictest7793-21seq12:14:340
30972998970,0cyclictest5495-21seq08:55:570
30972998969,0cyclictest21271-21runrttasks09:44:160
30972998967,0cyclictest9924-21fw_conntrack07:34:590
30972998967,0cyclictest6390-21diskstats10:34:520
30972998967,0cyclictest18326-21df_inode09:34:470
30972998966,0cyclictest31059-21users11:45:280
30972998960,0cyclictest4633-21df_abs10:29:470
30972998960,0cyclictest0-21swapper08:49:420
30972998957,0cyclictest0-21swapper12:05:190
30972998870,0cyclictest11493-21seq10:49:500
30972998868,0cyclictest14923-21diskstats10:59:520
30972998867,0cyclictest18321-21diskstats11:09:500
30972998867,0cyclictest11712-21irqstats07:40:060
30972998866,0cyclictest26001-21runrttasks08:20:580
30972998866,0cyclictest0-21swapper09:55:260
30972998865,0cyclictest8240-21fw_forwarded_lo10:40:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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