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2025-10-31 - 07:30
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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 Fri Oct 31, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502750,0irq/45-4a10000031320-21kworker/0:319:06:530
25199913142,0cyclictest15847-21/usr/sbin/munin21:19:490
25199912939,0cyclictest1963-21/usr/sbin/munin23:49:270
25199912841,0cyclictest12-21ksoftirqd/023:34:220
25199912830,0cyclictest20206-21runrttasks23:06:430
25199912544,0cyclictest29950-21/usr/sbin/munin20:25:290
25199912540,0cyclictest0-21swapper20:19:200
25199912338,0cyclictest15121-21runrttasks21:18:290
25199912330,0cyclictest11679-21runrttasks21:08:180
25199912242,0cyclictest25445-21copy20:14:170
25199912240,0cyclictest0-21swapper21:28:220
25199912238,0cyclictest0-21swapper19:56:490
25199912229,0cyclictest13607-21runrttasks00:22:470
25199912144,0cyclictest12-21ksoftirqd/023:14:260
25199912141,0cyclictest0-21swapper22:02:570
25199912140,0cyclictest26863-21runrttasks21:51:170
25199912139,0cyclictest13378-21runrttasks22:47:020
25199912133,0cyclictest27491-21/usr/sbin/munin23:29:310
25199912128,0cyclictest21495-21runrttasks20:00:200
25199912047,0cyclictest7350irq/45-4a10000019:34:340
25199911942,0cyclictest5628-21/usr/sbin/munin19:15:180
25199911932,0cyclictest6351-21runrttasks22:25:370
25199911847,0cyclictest12-21ksoftirqd/020:54:540
25199911846,0cyclictest12-21ksoftirqd/021:10:000
25199911845,0cyclictest12-21ksoftirqd/023:57:160
25199911844,0cyclictest0-21swapper21:31:110
25199911840,0cyclictest0-21swapper20:51:190
25199911838,0cyclictest0-21swapper22:53:540
25199911838,0cyclictest0-21swapper19:10:010
25199911834,0cyclictest14488-21timerandwakeup19:40:100
25199911829,0cyclictest7275-21latency19:19:530
25199911829,0cyclictest0-21swapper23:11:140
25199911745,0cyclictest12-21ksoftirqd/021:54:550
25199911744,0cyclictest12-21ksoftirqd/023:59:360
25199911739,0cyclictest7350irq/45-4a10000000:35:130
25199911738,0cyclictest0-21swapper20:10:040
25199911737,0cyclictest0-21swapper20:08:380
25199911734,0cyclictest342-21sshd19:29:420
25199911643,0cyclictest12-21ksoftirqd/000:29:510
25199911633,0cyclictest16518-21runrttasks19:46:470
25199911610,0cyclictest17223-21apt-get22:59:200
25199911543,0cyclictest12-21ksoftirqd/022:14:480
25199911532,0cyclictest8518-21cpu19:24:290
25199911443,0cyclictest9757-21runrttasks22:35:320
25199911441,0cyclictest0-21swapper22:43:350
25199911440,0cyclictest0-21swapper23:39:340
25199911434,0cyclictest20766-21df_abs21:34:330
25199911347,0cyclictest12-21ksoftirqd/000:24:270
25199911338,0cyclictest0-21swapper20:37:270
25199911335,0cyclictest9873-21runrttasks00:10:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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