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2026-04-23 - 19:57
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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 792 highest latencies:
System rack4slot2.osadl.org (updated Thu Apr 23, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502050,0irq/45-4a1000007042-21/usr/sbin/munin07:00:220
86219912628,0cyclictest25319-21meminfo11:00:520
86219912342,0cyclictest8558-21/usr/sbin/munin10:11:090
86219912339,0cyclictest0-21swapper10:44:340
86219912240,0cyclictest0-21swapper09:25:350
86219912237,0cyclictest0-21swapper12:01:480
86219912142,0cyclictest14709-21df_abs12:05:300
86219912140,0cyclictest0-21swapper07:44:030
86219912137,0cyclictest0-21swapper08:16:050
86219912134,0cyclictest8275-21nfs4_client08:35:570
86219912123,0cyclictest14017-1kworker/u3:210:28:560
86219912039,0cyclictest0-21swapper07:29:020
86219912038,0cyclictest0-21swapper08:14:440
86219912034,0cyclictest0-21swapper09:42:360
86219912013,0cyclictest28940-21/usr/sbin/munin08:01:030
86219911941,0cyclictest0-21swapper08:53:420
86219911939,0cyclictest0-21swapper11:26:060
86219911939,0cyclictest0-21swapper10:06:020
86219911937,0cyclictest0-21swapper10:36:530
86219911933,0cyclictest0-21swapper07:12:120
86219911931,0cyclictest619-21runrttasks09:50:020
86219911925,0cyclictest25007-21diskstats07:50:360
86219911853,0cyclictest0-21swapper10:57:470
86219911841,0cyclictest0-21swapper08:40:320
86219911838,0cyclictest0-21swapper10:16:020
86219911838,0cyclictest0-21swapper08:20:280
86219911836,0cyclictest19973-21fschecks_time09:10:400
86219911831,0cyclictest6571-1kworker/u3:111:41:360
86219911830,0cyclictest24430-21runrttasks07:49:100
86219911829,0cyclictest5102-21runrttasks08:26:070
86219911829,0cyclictest27913-1kworker/u3:211:11:000
86219911827,0cyclictest26720-21sshd11:05:340
86219911825,0cyclictest2026-21runrttasks09:52:300
86219911749,0cyclictest0-21swapper11:31:110
86219911745,0cyclictest7350irq/45-4a10000008:30:340
86219911742,0cyclictest0-21swapper07:20:260
86219911740,0cyclictest0-21swapper12:10:590
86219911740,0cyclictest0-21swapper09:04:010
86219911739,0cyclictest0-21swapper08:06:080
86219911738,0cyclictest0-21swapper11:36:480
86219911737,0cyclictest0-21swapper09:35:230
86219911736,0cyclictest9611-21df_abs11:50:320
86219911639,0cyclictest0-21swapper08:45:360
86219911638,0cyclictest0-21swapper07:37:150
86219911636,0cyclictest30065-21runrttasks11:15:290
86219911636,0cyclictest0-21swapper10:47:390
86219911634,0cyclictest0-21swapper07:34:250
86219911628,0cyclictest22602-21runrttasks10:53:090
86219911612,0cyclictest32163-21meminfo11:20:540
86219911538,0cyclictest0-21swapper07:57:280
86219911536,0cyclictest0-21swapper10:02:210
86219911534,0cyclictest0-21swapper12:30:380
86219911534,0cyclictest0-21swapper09:20:410
86219911529,0cyclictest8223-21meminfo11:45:540
86219911529,0cyclictest15522-21chrt10:31:110
86219911526,0cyclictest20982-1kworker/u3:112:24:540
86219911525,0cyclictest0-21swapper11:58:180
86219911437,0cyclictest0-21swapper12:25:390
86219911437,0cyclictest0-21swapper09:08:000
86219911436,0cyclictest0-21swapper12:15:280
86219911434,0cyclictest9034-21diskstats07:05:340
86219911434,0cyclictest21878-21latency09:15:510
86219911424,0cyclictest3197-21modprobe09:56:000
86219911334,0cyclictest0-21swapper10:24:140
86219911329,0cyclictest13224-21/usr/sbin/munin07:15:470
86219911327,0cyclictest26415-1kworker/u3:009:34:380
86219911135,0cyclictest0-21swapper08:55:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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