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2026-05-24 - 11:03
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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 Sun May 24, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74504640,0irq/46-4a10000012-21ksoftirqd/019:02:130
109529913554,0cyclictest7350irq/45-4a10000021:14:210
7350850,0irq/45-4a10000018367-21munin-run19:24:000
1276428511,0sleep012776-21munin-node19:09:050
7350830,0irq/45-4a10000030770-21df_inode21:34:210
7350830,0irq/45-4a10000029058-21diskstats19:54:230
7350820,0irq/45-4a10000032235-21aten_r4power_po20:04:110
7350820,0irq/45-4a10000027486-21fw_forwarded_lo19:49:330
7350820,0irq/45-4a1000002111-21ntp_states21:44:490
10952998258,0cyclictest0-21swapper20:39:110
7350810,0irq/45-4a10000022761-21grep22:44:540
7350810,0irq/45-4a10000018562-21cut00:09:120
7350810,0irq/45-4a10000015049-21sshd22:24:040
10952998056,0cyclictest0-21swapper00:24:120
10952998054,0cyclictest0-21swapper23:29:090
7450790,0irq/46-4a10000029853-1kworker/u3:223:09:400
7450780,0irq/46-4a10000010229-1kworker/u3:223:49:240
7450770,0irq/46-4a10000022131-1kworker/u3:219:39:260
7450770,0irq/46-4a10000021355-1kworker/u3:200:21:520
7450770,0irq/46-4a10000014569-1kworker/u3:120:49:290
7350770,0irq/45-4a10000026962-21latency_hist19:49:030
7450760,0irq/46-4a10000012937-21runrttasks22:16:290
7450760,0irq/46-4a10000011517-21cron22:13:590
7350760,0irq/45-4a1000008286-21aten_r4power_en22:04:100
7350760,0irq/45-4a10000031903-21sshd20:03:040
10952997650,0cyclictest0-21swapper21:49:090
7450750,0irq/46-4a1000008105-1kworker/u3:123:39:140
7450750,0irq/46-4a1000007673-21runrttasks20:25:320
7450750,0irq/46-4a1000006379-1kworker/u3:223:37:360
7450750,0irq/46-4a10000031661-1kworker/u3:123:14:400
7450750,0irq/46-4a10000024985-1kworker/u3:221:39:180
7450750,0irq/46-4a10000023372-21runrttasks19:38:080
7450750,0irq/46-4a10000018032-1kworker/u3:221:06:220
7450750,0irq/46-4a10000017946-21runrttasks00:05:330
7450750,0irq/46-4a10000016495-1kworker/u3:100:14:360
7450750,0irq/46-4a10000014831-1kworker/u3:122:31:230
7450750,0irq/46-4a10000010707-1kworker/u3:219:09:310
7450750,0irq/46-4a10000010229-1kworker/u3:223:47:000
7450750,0irq/46-4a1000001011-1kworker/u3:019:29:550
7350750,0irq/45-4a10000027337-21df_inode21:24:200
10952997552,0cyclictest0-21swapper21:09:100
7450740,0irq/46-4a1000009607-21runrttasks20:32:250
7450740,0irq/46-4a1000006000-1kworker/u3:122:00:200
7450740,0irq/46-4a1000004707-1kworker/u3:220:19:270
7450740,0irq/46-4a10000031910-1kworker/u3:120:14:510
7450740,0irq/46-4a10000026493-1kworker/u3:123:04:280
7450740,0irq/46-4a10000025357-21/usr/sbin/munin00:29:520
7450740,0irq/46-4a10000022002-1kworker/u3:122:49:250
7450740,0irq/46-4a10000019831-1kworker/u3:222:43:390
7450740,0irq/46-4a10000018032-1kworker/u3:220:59:400
7450740,0irq/46-4a10000014831-1kworker/u3:122:34:420
7450740,0irq/46-4a10000014800-21chrt22:22:480
7450740,0irq/46-4a10000014797-1kworker/u3:119:24:150
7450740,0irq/46-4a10000014761-21runrttasks23:57:200
7450740,0irq/46-4a10000014569-1kworker/u3:120:54:440
7450740,0irq/46-4a10000014536-1kworker/u3:223:59:470
7450740,0irq/46-4a1000001395-21sed23:19:030
7450740,0irq/46-4a1000001326-1kworker/u3:021:22:070
7350740,0irq/45-4a100000460-21snmpd20:36:130
61552740,0sleep06000-1kworker/u3:121:56:590
7450730,0irq/46-4a10000031910-1kworker/u3:120:09:390
7450730,0irq/46-4a10000029831-21chrt21:30:020
7450730,0irq/46-4a10000026493-1kworker/u3:122:59:360
7450730,0irq/46-4a10000026493-1kworker/u3:122:55:390
7450730,0irq/46-4a10000014797-1kworker/u3:119:14:240
7450730,0irq/46-4a1000001024-1kworker/u3:223:24:370
7450720,0irq/46-4a1000009525-1kworker/u3:220:44:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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