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2025-07-04 - 09:39
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 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 50 highest latencies:
System rack1slot3.osadl.org (updated Fri Jul 04, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
297427999140,12cyclictest0-21swapper/321:55:143
2974279991312,0cyclictest0-21swapper/319:15:123
2974279991311,0cyclictest0-21swapper/320:05:003
297427999130,12cyclictest0-21swapper/300:10:143
297427999130,11cyclictest0-21swapper/321:15:153
297427999129,1cyclictest0-21swapper/323:45:123
2974279991211,0cyclictest0-21swapper/323:00:143
297427999120,1cyclictest0-21swapper/321:10:153
297427999120,11cyclictest0-21swapper/323:55:203
297427999120,11cyclictest0-21swapper/323:35:143
297427999120,11cyclictest0-21swapper/323:10:133
297427999120,11cyclictest0-21swapper/322:40:173
297427999120,11cyclictest0-21swapper/300:05:133
2974279991111,0cyclictest0-21swapper/322:30:013
297427999110,8cyclictest0-21swapper/322:15:203
297427999110,10cyclictest0-21swapper/323:05:133
297427999110,10cyclictest0-21swapper/321:40:203
297427999110,10cyclictest0-21swapper/321:35:203
297427999110,0cyclictest0-21swapper/323:50:113
297427999110,0cyclictest0-21swapper/320:40:133
297427999109,1cyclictest0-21swapper/322:00:143
297427999109,0cyclictest0-21swapper/320:30:133
2974279991010,0cyclictest0-21swapper/322:45:143
2974279991010,0cyclictest0-21swapper/320:35:143
2974279991010,0cyclictest0-21swapper/320:19:553
2974279991010,0cyclictest0-21swapper/300:00:143
297427999100,9cyclictest0-21swapper/322:10:193
297427999100,9cyclictest0-21swapper/321:20:203
29742799999,0cyclictest0-21swapper/323:40:153
29742799999,0cyclictest0-21swapper/322:35:183
29742799999,0cyclictest0-21swapper/321:50:193
29742799999,0cyclictest0-21swapper/321:25:153
29742799999,0cyclictest0-21swapper/320:45:273
29742799999,0cyclictest0-21swapper/320:25:013
29742799999,0cyclictest0-21swapper/319:35:193
29742799999,0cyclictest0-21swapper/319:10:133
29742799999,0cyclictest0-21swapper/300:30:143
29742799999,0cyclictest0-21swapper/300:15:173
29742799990,8cyclictest0-21swapper/323:17:043
29742799990,0cyclictest0-21swapper/300:20:143
29742799988,0cyclictest0-21swapper/323:20:213
29742799988,0cyclictest0-21swapper/322:55:153
29742799988,0cyclictest0-21swapper/319:50:003
29742799988,0cyclictest0-21swapper/319:30:143
29742799988,0cyclictest0-21swapper/319:25:163
29742799987,0cyclictest0-21swapper/300:25:193
29742799982,1cyclictest17350irq/126-ahci[0000:00:17.0]23:25:103
29742799977,0cyclictest0-21swapper/322:50:213
29742799977,0cyclictest0-21swapper/322:25:023
29742799977,0cyclictest0-21swapper/320:50:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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