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2026-09-11 - 08:27
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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 Fri Sep 11, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501980,0irq/46-4a10000022960-21/usr/sbin/munin19:05:320
24237999157,0cyclictest0-21swapper21:40:150
7350830,0irq/45-4a1000009330-1kworker/u3:023:17:430
3177428313,0sleep031810-21aten_r4power_en19:30:090
24237998360,0cyclictest0-21swapper22:20:100
7450810,0irq/46-4a1000006034-21munin-run19:49:590
7350810,0irq/45-4a1000004707-21df22:55:150
7350810,0irq/45-4a10000018217-21wget20:25:100
7350790,0irq/45-4a10000031325-21runrttasks19:27:220
24237997958,0cyclictest0-21swapper00:25:520
24237997947,0cyclictest0-21swapper22:25:460
7450780,0irq/46-4a100000442-21snmpd21:52:230
7450780,0irq/46-4a10000030700-21meminfo21:00:360
7350780,0irq/45-4a1000004123-21runrttasks22:53:050
83512779,0sleep08352-21fw_forwarded_lo21:30:300
7450770,0irq/46-4a10000014577-21munin-run20:14:590
7450760,0irq/46-4a1000007829-21ls00:39:590
7450760,0irq/46-4a1000006380-21kworker/u2:520:00:020
7450760,0irq/46-4a1000006081-21seq00:34:520
7450760,0irq/46-4a10000031689-21seq00:14:480
7450760,0irq/46-4a10000021620-21wget22:10:100
7450760,0irq/46-4a10000016548-21runrttasks23:30:130
7350760,0irq/45-4a10000012169-21grep20:05:520
256962760,0chrt23918-1kworker/u3:019:13:140
7450750,0irq/46-4a1000009483-21chrt23:09:570
7450750,0irq/46-4a1000009330-1kworker/u3:023:10:580
7450750,0irq/46-4a1000009312-1kworker/u3:021:35:120
7450750,0irq/46-4a100000916-21runrttasks00:19:320
7450750,0irq/46-4a1000005054-1kworker/u3:219:50:280
7450750,0irq/46-4a1000004332-21munin-plugin-st19:44:590
7450750,0irq/46-4a10000031584-21chrt22:39:090
7450750,0irq/46-4a10000028386-21/usr/sbin/munin20:55:120
7450750,0irq/46-4a10000024425-1kworker/u3:023:55:510
7450750,0irq/46-4a10000023918-1kworker/u3:019:15:440
7450750,0irq/46-4a10000023088-1kworker/u3:222:18:070
7450750,0irq/46-4a10000021270-21chrt20:33:560
7450750,0irq/46-4a10000019499-1kworker/u3:222:05:380
7450750,0irq/46-4a10000014522-21chrt21:49:220
7450750,0irq/46-4a10000014207-21runrttasks23:21:300
7450750,0irq/46-4a1000001022-1kworker/u3:000:21:220
75952740,0sleep04300-1kworker/u3:123:03:250
7450740,0irq/46-4a100000703-1kworker/u3:219:35:290
7450740,0irq/46-4a1000003928-1kworker/u3:122:00:520
7450740,0irq/46-4a10000032072-1kworker/u3:121:10:300
7450740,0irq/46-4a10000031409-1kworker/u3:022:40:590
7450740,0irq/46-4a10000029056-1kworker/u3:000:05:560
7450740,0irq/46-4a10000028050-21runrttasks20:53:230
7450740,0irq/46-4a1000002637-1kworker/u3:020:00:590
7450740,0irq/46-4a10000022787-21chrt23:46:510
7450740,0irq/46-4a10000021016-1kworker/u3:220:35:470
7450740,0irq/46-4a10000019817-1kworker/u3:023:40:320
7450740,0irq/46-4a10000016081-21chrt23:27:540
7450740,0irq/46-4a10000016080-21seq20:18:250
57932740,0sleep05713-1kworker/u3:021:22:480
7450730,0irq/46-4a100000676-1kworker/u3:122:45:390
7450730,0irq/46-4a1000005713-1kworker/u3:021:25:200
7450730,0irq/46-4a10000028262-1kworker/u3:219:20:260
7450730,0irq/46-4a10000027408-1kworker/u3:022:30:270
7450730,0irq/46-4a10000024522-21runrttasks20:42:220
7450730,0irq/46-4a10000021867-1kworker/u3:123:50:550
7450730,0irq/46-4a10000017876-1kworker/u3:120:24:490
7450730,0irq/46-4a10000017670-21runrttasks21:57:160
7450730,0irq/46-4a1000001563-1kworker/u3:021:15:130
7450720,0irq/46-4a10000023191-1kworker/u3:120:45:100
7450720,0irq/46-4a10000017561-1kworker/u3:223:35:550
7450720,0irq/46-4a10000015867-1kworker/u3:021:05:100
7350720,0irq/45-4a10000012-21ksoftirqd/000:03:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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