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2026-05-22 - 17:11
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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 Fri May 22, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502000,0irq/46-4a10000027886-21runrttasks19:02:330
281239913249,0cyclictest7350irq/45-4a10000022:34:260
281239912840,0cyclictest0-21swapper19:51:050
281239912549,0cyclictest7350irq/45-4a10000021:04:530
281239912343,0cyclictest31451-21/usr/sbin/munin22:24:190
281239912241,0cyclictest0-21swapper00:05:060
281239911941,0cyclictest0-21swapper19:29:190
281239911940,0cyclictest0-21swapper23:29:140
281239911939,0cyclictest27667-21runrttasks20:38:450
281239911939,0cyclictest13630-21runrttasks21:30:450
281239911842,0cyclictest0-21swapper20:54:580
281239911834,0cyclictest0-21swapper23:17:280
281239911641,0cyclictest0-21swapper00:33:340
281239911344,0cyclictest31652-21/usr/sbin/munin23:59:310
28123998956,0cyclictest0-21swapper20:39:180
7350800,0irq/45-4a1000003996-21wget00:14:150
7350790,0irq/45-4a10000028187-21awk23:49:300
7350790,0irq/45-4a10000019613-21diskstats21:49:300
7350780,0irq/45-4a10000014225-21aten_r4power_en21:34:140
7450770,0irq/46-4a100000460-21snmpd23:37:360
7450770,0irq/46-4a10000015455-21runrttasks20:01:440
7450770,0irq/46-4a10000010221-21runrttasks19:45:540
7450760,0irq/46-4a10000032624-21chrt19:17:170
7450750,0irq/46-4a1000005198-1kworker/u3:022:44:300
7450750,0irq/46-4a10000015873-1kworker/u3:020:05:040
7450740,0irq/46-4a1000009195-1kworker/u3:022:59:210
7450740,0irq/46-4a100000725-1kworker/u3:122:39:480
7450740,0irq/46-4a10000027924-1kworker/u3:019:19:190
7450740,0irq/46-4a10000025732-1kworker/u3:122:19:260
7450740,0irq/46-4a10000022158-1kworker/u3:021:56:040
7450740,0irq/46-4a10000015910-1kworker/u3:123:23:570
7350740,0irq/45-4a10000012212-21seq21:28:070
34742740,0chrt1935-1kworker/u3:100:11:190
104742740,0sleep09195-1kworker/u3:022:57:460
7450730,0irq/46-4a1000008714-1kworker/u3:021:19:450
7450730,0irq/46-4a1000005989-1kworker/u3:100:24:330
7450730,0irq/46-4a10000030724-21chrt23:55:320
7450730,0irq/46-4a10000030664-1kworker/u3:120:49:160
7450730,0irq/46-4a10000030664-1kworker/u3:120:47:190
7450730,0irq/46-4a10000028723-21chrt22:14:570
7450730,0irq/46-4a10000026000-1kworker/u3:023:44:240
7450730,0irq/46-4a1000001827-21runrttasks22:32:000
7350730,0irq/45-4a10000018176-21meminfo20:09:430
7350730,0irq/45-4a10000012-21ksoftirqd/019:39:230
36332730,0chrt3116-1kworker/u3:121:02:470
7450720,0irq/46-4a1000008672-21runrttasks21:17:000
7450720,0irq/46-4a1000006899-1kworker/u3:121:12:010
7450720,0irq/46-4a1000005989-1kworker/u3:100:22:540
7450720,0irq/46-4a10000025732-1kworker/u3:122:09:420
7450720,0irq/46-4a10000025660-21runrttasks23:41:100
7450720,0irq/46-4a10000022158-1kworker/u3:021:59:270
7450720,0irq/46-4a10000018685-1kworker/u3:220:18:020
7450720,0irq/46-4a10000017181-1kworker/u3:021:44:540
7450720,0irq/46-4a10000015910-1kworker/u3:123:28:250
7450720,0irq/46-4a10000013909-1kworker/u3:023:09:160
7450720,0irq/46-4a10000011881-1kworker/u3:019:54:450
7450710,0irq/46-4a1000008833-21seq22:53:260
7450710,0irq/46-4a1000006898-21chrt19:36:320
7450710,0irq/46-4a10000029927-1kworker/u3:119:10:360
7450710,0irq/46-4a10000027924-1kworker/u3:019:04:190
7450710,0irq/46-4a10000022927-1kworker/u3:220:29:130
7450710,0irq/46-4a10000022927-1kworker/u3:220:24:480
7450710,0irq/46-4a10000020868-1kworker/u3:120:19:200
7450710,0irq/46-4a10000017433-21runrttasks21:43:530
7450690,0irq/46-4a10000025732-1kworker/u3:122:07:550
7450680,0irq/46-4a1000001650-1kworker/u3:219:24:400
7450680,0irq/46-4a10000012136-1kworker/u3:123:07:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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