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2026-06-28 - 22:36
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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 Jun 28, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502020,0irq/46-4a10000025082-21/usr/sbin/munin07:04:530
26373999461,0cyclictest0-21swapper12:00:330
26373999260,0cyclictest0-21swapper09:45:130
26373999160,0cyclictest0-21swapper12:10:280
26373999160,0cyclictest0-21swapper08:40:330
26373999159,0cyclictest0-21swapper08:00:370
26373999158,0cyclictest0-21swapper09:55:070
26373999158,0cyclictest0-21swapper09:25:110
26373999070,0cyclictest0-21swapper08:05:020
26373999059,0cyclictest0-21swapper07:50:210
26373999058,0cyclictest0-21swapper07:29:530
26373999057,0cyclictest0-21swapper10:09:570
26373999056,0cyclictest0-21swapper07:45:080
26373998956,0cyclictest0-21swapper10:00:340
26373998956,0cyclictest0-21swapper08:49:540
26373998956,0cyclictest0-21swapper07:25:220
26373998866,0cyclictest0-21swapper09:15:300
26373998857,0cyclictest0-21swapper09:10:050
26373998856,0cyclictest0-21swapper11:45:190
26373998855,0cyclictest0-21swapper08:10:210
26373998855,0cyclictest0-21swapper07:35:180
26373998854,0cyclictest0-21swapper08:35:210
7450870,0irq/46-4a10000030399-1kworker/u3:107:22:520
54532879,0sleep05454-21memory12:25:170
26373998766,0cyclictest0-21swapper08:30:310
26373998756,0cyclictest0-21swapper10:45:230
26373998655,0cyclictest0-21swapper10:25:050
26373998654,0cyclictest0-21swapper10:19:470
26373998654,0cyclictest0-21swapper09:29:450
26373998654,0cyclictest0-21swapper08:45:080
26373998653,0cyclictest0-21swapper11:55:250
26373998652,0cyclictest0-21swapper10:54:330
26373998652,0cyclictest0-21swapper10:30:230
26373998564,0cyclictest0-21swapper12:35:170
26373998553,0cyclictest0-21swapper08:54:530
7450840,0irq/46-4a100000438-21snmpd12:24:040
26373998453,0cyclictest0-21swapper12:14:440
26373998451,0cyclictest0-21swapper11:35:100
26373998351,0cyclictest0-21swapper09:50:180
26373998350,0cyclictest0-21swapper10:55:010
26373998250,0cyclictest0-21swapper11:50:250
26373998147,0cyclictest0-21swapper08:25:150
26373998057,0cyclictest0-21swapper11:29:420
26373998050,0cyclictest0-21swapper07:55:280
26373998048,0cyclictest0-21swapper07:15:380
26373997948,0cyclictest0-21swapper10:04:520
26373997848,0cyclictest0-21swapper08:15:210
26373997756,0cyclictest0-21swapper11:10:070
26373997652,0cyclictest0-21swapper09:05:190
26373997644,0cyclictest0-21swapper10:15:210
26373997644,0cyclictest0-21swapper09:00:330
26373997555,0cyclictest0-21swapper07:40:350
26373997550,0cyclictest0-21swapper10:34:420
26373997542,0cyclictest0-21swapper11:00:410
26373997541,0cyclictest0-21swapper07:10:240
7450740,0irq/46-4a10000017174-1kworker/u3:211:28:190
7350740,0irq/45-4a1000000-21swapper11:43:460
7450730,0irq/46-4a10000013186-1kworker/u3:211:15:180
7350720,0irq/45-4a1000000-21swapper09:35:440
7350720,0irq/45-4a1000000-21swapper08:22:200
26373997251,0cyclictest0-21swapper12:30:030
26373997149,0cyclictest0-21swapper09:20:310
26373996936,0cyclictest0-21swapper12:05:310
26373996853,0cyclictest0-21swapper11:20:420
26373996746,0cyclictest0-21swapper11:05:020
26373996743,0cyclictest0-21swapper09:39:460
26373996741,0cyclictest0-21swapper10:39:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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