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2026-08-30 - 14:41
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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 all highest latencies:
System rack4slot2.osadl.org (updated Sun Aug 30, 2026 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74509760,0irq/46-4a10000012-21ksoftirqd/007:06:290
54819913039,0cyclictest0-21swapper08:33:590
54819913036,0cyclictest6363-21diskstats11:54:290
54819912941,0cyclictest12145-21/usr/sbin/munin07:25:080
54819912940,0cyclictest2311-21runrttasks11:42:310
54819912940,0cyclictest0-21swapper07:09:460
54819912842,0cyclictest0-21swapper07:59:560
54819912838,0cyclictest10341-21ntp_states07:20:110
54819912742,0cyclictest0-21swapper09:58:560
54819912741,0cyclictest0-21swapper11:29:270
54819912739,0cyclictest0-21swapper12:22:230
54819912739,0cyclictest0-21swapper07:51:460
54819912738,0cyclictest32607-21sendmail_mailst10:00:160
54819912730,0cyclictest11826-21meminfo10:34:490
54819912641,0cyclictest0-21swapper10:54:200
54819912640,0cyclictest18466-21/usr/sbin/munin12:29:400
54819912640,0cyclictest0-21swapper07:44:280
54819912639,0cyclictest0-21swapper10:22:000
54819912635,0cyclictest12857-21chrt09:04:060
54819912542,0cyclictest0-21swapper10:54:030
54819912541,0cyclictest0-21swapper07:14:140
54819912539,0cyclictest0-21swapper09:04:440
54819912537,0cyclictest0-21swapper09:20:490
54819912530,0cyclictest14269-21runrttasks10:42:130
54819912451,0cyclictest0-21swapper08:38:400
54819912441,0cyclictest0-21swapper09:37:550
54819912440,0cyclictest0-21swapper08:09:050
54819912437,0cyclictest0-21swapper10:44:240
54819912437,0cyclictest0-21swapper08:18:210
54819912436,0cyclictest0-21swapper12:36:460
54819912435,0cyclictest0-21swapper08:42:420
54819912340,0cyclictest0-21swapper11:13:320
54819912340,0cyclictest0-21swapper09:17:330
54819912339,0cyclictest0-21swapper10:05:130
54819912337,0cyclictest0-21swapper12:08:470
54819912335,0cyclictest0-21swapper08:22:020
54819912245,0cyclictest0-21swapper11:48:340
54819912241,0cyclictest0-21swapper10:17:220
54819912239,0cyclictest0-21swapper09:50:320
54819912238,0cyclictest0-21swapper12:09:210
54819912238,0cyclictest0-21swapper11:37:120
54819912236,0cyclictest8816-21timerandwakeup10:25:190
54819912236,0cyclictest0-21swapper07:34:090
54819912232,0cyclictest14946-21df_abs09:09:270
54819912144,0cyclictest0-21swapper08:12:400
54819912141,0cyclictest0-21swapper10:09:480
54819912139,0cyclictest0-21swapper11:06:210
54819912136,0cyclictest0-21swapper07:43:440
54819912135,0cyclictest26739-21aten_r4power_vo09:44:190
54819912135,0cyclictest0-21swapper11:14:240
54819912135,0cyclictest0-21swapper11:01:440
54819912135,0cyclictest0-21swapper10:29:330
54819912043,0cyclictest7350irq/45-4a10000009:24:560
54819912039,0cyclictest0-21swapper11:25:150
54819912038,0cyclictest0-21swapper09:30:120
54819912037,0cyclictest0-21swapper11:24:010
54819912037,0cyclictest0-21swapper09:39:410
54819912036,0cyclictest0-21swapper08:57:190
54819912031,0cyclictest0-21swapper12:27:310
54819911936,0cyclictest0-21swapper07:54:400
54819911836,0cyclictest0-21swapper11:49:260
54819911738,0cyclictest0-21swapper08:24:590
54819911731,0cyclictest0-21swapper12:00:240
54819911632,0cyclictest0-21swapper08:48:510
54819911245,0cyclictest13537-21/usr/sbin/munin12:14:530
54819911121,0cyclictest0-21swapper07:34:040
5481999158,0cyclictest0-21swapper08:49:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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