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2026-07-14 - 06:34
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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 100 highest latencies:
System rack4slot2.osadl.org (updated Tue Jul 14, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502670,0irq/45-4a10000016092sleep019:08:510
16669913138,0cyclictest18622-21/usr/sbin/munin19:54:500
16669912940,0cyclictest896-21df_abs22:14:140
16669912754,0cyclictest7350irq/45-4a10000022:39:270
16669912540,0cyclictest10595-21runrttasks00:17:310
16669912538,0cyclictest31478-21aten_r4power_po22:09:070
16669912537,0cyclictest0-21swapper23:27:250
16669912534,0cyclictest12939-21diskstats00:24:210
16669912530,0cyclictest31156-21runrttasks22:08:040
16669912441,0cyclictest32724-21runrttasks20:36:550
16669912431,0cyclictest12136-21runrttasks21:11:110
16669912341,0cyclictest13954-21runrttasks22:52:070
16669912338,0cyclictest24080-21runrttasks23:21:010
16669912336,0cyclictest0-21swapper21:59:410
16669912335,0cyclictest5500-21runrttasks19:17:440
16669912335,0cyclictest17964-21df_abs21:29:110
16669912335,0cyclictest14596-21df_abs22:54:150
16669912332,0cyclictest3306-1cat22:20:020
16669912329,0cyclictest9039-21runrttasks00:13:520
16669912329,0cyclictest3773-21runrttasks20:47:340
16669912249,0cyclictest7350irq/45-4a10000019:14:010
16669912239,0cyclictest0-21swapper00:36:130
16669912236,0cyclictest10988-21sshd00:19:060
16669912230,0cyclictest30932-21runrttasks23:41:120
16669912229,0cyclictest14017-21runrttasks21:17:340
16669912141,0cyclictest0-21swapper19:25:240
16669912139,0cyclictest24379-21runrttasks20:13:360
16669912137,0cyclictest6647-21sendmail_mailst19:19:590
16669912137,0cyclictest0-21swapper23:58:590
16669912129,0cyclictest24771-21cstates21:49:100
16669912039,0cyclictest0-21swapper20:06:080
16669912031,0cyclictest438-21snmpd21:36:390
16669912031,0cyclictest21534-21fschecks_time23:14:210
16669911941,0cyclictest0-21swapper00:29:420
16669911940,0cyclictest0-21swapper19:30:410
16669911932,0cyclictest19919-21seq19:59:330
16669911843,0cyclictest12-21ksoftirqd/021:20:080
16669911843,0cyclictest0-21swapper19:49:300
16669911839,0cyclictest6452-21/usr/sbin/munin00:04:420
16669911839,0cyclictest0-21swapper21:46:070
16669911837,0cyclictest0-21swapper20:21:530
16669911836,0cyclictest0-21swapper21:24:050
16669911740,0cyclictest0-21swapper22:29:280
16669911737,0cyclictest0-21swapper23:08:310
16669911733,0cyclictest27013-21/usr/sbin/munin23:29:470
16669911638,0cyclictest0-21swapper21:39:150
16669911540,0cyclictest7350irq/45-4a10000022:59:070
16669911533,0cyclictest13741-21runrttasks19:40:120
16669911427,0cyclictest10765-21kworker/u2:019:44:430
16669911413,0cyclictest26847-21latency21:54:340
16669911342,0cyclictest0-21swapper19:35:580
16669911341,0cyclictest7350irq/45-4a10000020:59:050
16669911339,0cyclictest0-21swapper23:46:400
16669911133,0cyclictest24568-21/usr/sbin/munin20:14:520
16669911128,0cyclictest0-21swapper23:12:180
16669911127,0cyclictest28887-21awk23:34:520
16669910927,0cyclictest548-21sendmail-msp20:39:110
16669910835,0cyclictest28662-21/usr/sbin/munin20:24:410
16669910737,0cyclictest0-21swapper23:49:050
16669910612,0cyclictest10909-21/usr/sbin/munin22:44:490
1666998155,0cyclictest0-21swapper22:38:360
1666997751,0cyclictest0-21swapper20:58:350
1666997750,0cyclictest0-21swapper22:28:060
7350720,0irq/45-4a10000010546-21runrttasks21:07:060
1666997245,0cyclictest0-21swapper20:51:570
1666997244,0cyclictest0-21swapper00:03:090
1666996955,0cyclictest0-21swapper20:29:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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