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2026-03-25 - 05:47
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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 Mar 25, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502430,0irq/46-4a10000011980-1kworker/u3:019:05:450
7450830,0irq/46-4a10000017610-21seq20:49:460
13827998057,0cyclictest0-21swapper23:26:300
7450790,0irq/46-4a10000026336-1kworker/u3:220:36:450
7450790,0irq/46-4a10000022921-1kworker/u3:100:16:520
7350790,0irq/45-4a100000244852sleep021:10:060
7350790,0irq/45-4a1000000-21swapper20:26:490
7450780,0irq/46-4a1000005892-1kworker/u3:023:36:270
7450780,0irq/46-4a1000002657-1kworker/u3:120:06:440
7450780,0irq/46-4a10000020922-1kworker/u3:219:32:050
7450780,0irq/46-4a100000158882sleep020:44:340
7450770,0irq/46-4a10000026813-1kworker/u3:121:21:480
7450770,0irq/46-4a10000026336-1kworker/u3:220:35:100
7450770,0irq/46-4a10000026336-1kworker/u3:220:22:130
7450770,0irq/46-4a10000022071-21/usr/sbin/munin21:02:100
7450770,0irq/46-4a10000021380-21/usr/sbin/munin00:12:030
7450770,0irq/46-4a10000013718-1kworker/u3:219:09:240
7450770,0irq/46-4a100000123912chrt23:43:490
13827997754,0cyclictest0-21swapper21:11:290
7450760,0irq/46-4a10000029659-1kworker/u3:020:01:320
7450760,0irq/46-4a10000018545-1kworker/u3:220:52:100
7450760,0irq/46-4a100000125092chrt22:09:590
165652769,0sleep016569-21df_inode22:21:430
7450750,0irq/46-4a1000005763-1kworker/u3:221:57:060
7450750,0irq/46-4a10000029785-21kworker/u2:222:36:470
7450750,0irq/46-4a10000026813-1kworker/u3:121:46:590
7450750,0irq/46-4a10000024650-1kworker/u3:022:47:040
7450750,0irq/46-4a10000024445-1kworker/u3:019:37:170
7450750,0irq/46-4a10000022909-1kworker/u3:122:46:060
7450750,0irq/46-4a10000020941-1kworker/u3:200:26:540
7350750,0irq/45-4a1000000-21swapper23:16:160
193822750,0sleep019100-1kworker/u3:122:30:130
7450740,0irq/46-4a1000009777-21/usr/sbin/munin22:01:470
7450740,0irq/46-4a10000028097-21munin-run21:21:210
7450740,0irq/46-4a10000020782chrt21:38:200
7350740,0irq/45-4a1000000-21swapper22:56:080
7450730,0irq/46-4a1000005892-1kworker/u3:023:31:320
7450730,0irq/46-4a100000460-21snmpd19:24:420
7450730,0irq/46-4a100000302452chrt23:01:460
7450730,0irq/46-4a10000016537-1kworker/u3:200:02:020
7450730,0irq/46-4a10000016040-21meminfo19:11:430
7450730,0irq/46-4a10000010227-1kworker/u3:119:46:580
7350730,0irq/45-4a100000262402sleep000:25:120
13827997353,0cyclictest4533-21/usr/sbin/munin20:11:360
13827997352,0cyclictest0-21swapper22:11:310
13827997348,0cyclictest0-21swapper21:26:300
7450720,0irq/46-4a10000032498-1kworker/u3:021:32:160
7450720,0irq/46-4a1000002753-21awk21:41:350
7350720,0irq/45-4a10000017359-21runrttasks23:57:270
7450710,0irq/46-4a1000002276-1kworker/u3:023:16:460
7450710,0irq/46-4a10000012945-1kworker/u3:123:52:080
7450710,0irq/46-4a10000012945-1kworker/u3:123:47:160
7350710,0irq/45-4a1000005804-21seq23:25:510
7450700,0irq/46-4a1000005542-1kworker/u3:020:17:110
7450700,0irq/46-4a10000031414-21chrt19:55:570
7450700,0irq/46-4a10000029659-1kworker/u3:019:56:390
7450700,0irq/46-4a10000027998-21seq19:45:500
7350700,0irq/45-4a1000006885-21/usr/sbin/munin21:52:150
7350700,0irq/45-4a10000019774-21wget22:31:340
7450690,0irq/46-4a10000029434-21seq22:58:270
7450690,0irq/46-4a10000021221-21runrttasks00:11:160
7450690,0irq/46-4a10000020941-1kworker/u3:200:31:530
13827996954,0cyclictest7350irq/45-4a10000022:16:430
7450680,0irq/46-4a10000020922-1kworker/u3:219:30:430
13827996655,0cyclictest7350irq/45-4a10000019:17:010
7450640,0irq/46-4a100000461-21seq23:09:120
13827996248,0cyclictest0-21swapper21:00:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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