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2026-08-06 - 01:28
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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 highest latencies:
System rack4slot2.osadl.org (updated Wed Aug 05, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73506090,0irq/45-4a10000014522-21kworker/0:107:03:160
21260999271,0cyclictest0-21swapper10:13:480
273762910,0sleep025711-1kworker/u3:110:31:480
7350900,0irq/45-4a10000018756-1kworker/u3:111:43:580
238462906,0sleep023847-21sshd10:20:470
7350890,0irq/45-4a10000031019-21sendmail-msp12:20:180
21260998968,0cyclictest0-21swapper12:08:460
7350880,0irq/45-4a10000018756-1kworker/u3:111:42:540
291792880,0sleep029139-1kworker/u3:107:58:580
21260998855,0cyclictest0-21swapper11:08:390
21260998855,0cyclictest0-21swapper10:48:420
7350870,0irq/45-4a1000002029-1kworker/u3:210:54:350
7350870,0irq/45-4a10000010459-21idleruntime-cro11:18:010
21260998755,0cyclictest0-21swapper12:03:470
21260998755,0cyclictest0-21swapper11:48:470
21260998755,0cyclictest0-21swapper10:03:550
8822867,0sleep0894-21irqstats12:23:360
279732860,0chrt16953-1kworker/u3:210:33:230
7350850,0irq/45-4a1000003440-1kworker/u3:209:00:150
323622850,0sleep032111-1kworker/u3:008:21:440
21260998552,0cyclictest0-21swapper09:54:020
7450840,0irq/46-4a100000438-21snmpd08:24:090
7450840,0irq/46-4a1000002718-21/usr/sbin/munin12:28:460
7350840,0irq/45-4a10000028959-21munin-run07:58:060
7350840,0irq/45-4a10000027655-1kworker/u3:107:48:320
7350840,0irq/45-4a10000027439-1kworker/u3:010:39:240
21260998453,0cyclictest0-21swapper11:03:130
7450830,0irq/46-4a10000027575-21sort07:48:030
7450830,0irq/46-4a10000015612-21sendmail-msp09:58:110
7350830,0irq/45-4a10000025290-21grep10:23:580
21260998352,0cyclictest0-21swapper12:13:550
7450820,0irq/46-4a10000024379-21aten_r4power_vo11:58:160
7450820,0irq/46-4a10000023286-21sendmail-msp07:18:020
7450820,0irq/46-4a1000001889-21kworker/u2:110:58:100
7450820,0irq/46-4a10000017303-21sendmail-msp11:38:010
7450820,0irq/46-4a10000012304-21aten_r4power_cu11:23:120
7450820,0irq/46-4a10000012181-21chrt11:23:020
7450820,0irq/46-4a10000011463-21idleruntime-cro09:43:000
7350820,0irq/45-4a1000005659-1kworker/u3:109:05:110
7350820,0irq/45-4a10000026289-21runrttasks07:38:350
237892820,0sleep022259-1kworker/u3:111:55:160
21260998251,0cyclictest0-21swapper08:55:540
7450810,0irq/46-4a1000004480-21sh12:33:500
7450810,0irq/46-4a10000031544-21fw_forwarded_lo10:43:320
7450810,0irq/46-4a10000025315-1kworker/u3:007:32:530
7450810,0irq/46-4a1000002218-21sendmail-msp08:40:000
7450810,0irq/46-4a10000018744-1kworker/u3:110:08:240
7450810,0irq/46-4a10000012721-21fschecks_time09:48:270
7450810,0irq/46-4a10000010009-21kworker/u2:109:38:030
7350810,0irq/45-4a10000023360-21grep07:18:090
242692810,0sleep023874-1kworker/u3:007:24:330
7450800,0irq/46-4a1000007325-21chrt09:13:240
7450800,0irq/46-4a1000006561-21grep09:08:040
7450800,0irq/46-4a1000003763-21chrt08:48:210
7450800,0irq/46-4a10000031689-21chrt08:17:110
7450800,0irq/46-4a10000014197-21df11:28:180
7450800,0irq/46-4a10000011752-1kworker/u3:109:45:150
7450800,0irq/46-4a1000001005-21chrt08:29:080
7350800,0irq/45-4a10000029884-1kworker/u3:208:09:160
7350800,0irq/45-4a1000001657-21chrt08:33:360
260882800,0sleep026046-1kworker/u3:207:38:000
7450790,0irq/46-4a1000008898-21runrttasks09:24:330
7450790,0irq/46-4a1000007919-21sendmail-msp09:19:360
7450790,0irq/46-4a1000003670-21seq08:48:030
7450790,0irq/46-4a10000029918-21chrt08:04:120
7450790,0irq/46-4a10000021975-21cp07:13:030
7450770,0irq/46-4a1000009458-1kworker/u3:209:29:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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