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2025-05-02 - 12:43
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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 May 02, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3021104991311,1cyclictest0-21swapper/321:05:143
302110499130,12cyclictest0-21swapper/321:20:183
3021104991211,0cyclictest0-21swapper/319:55:153
302110499121,10cyclictest0-21swapper/300:20:013
302110499120,1cyclictest0-21swapper/322:30:143
302110499120,11cyclictest0-21swapper/323:25:133
302110499120,11cyclictest0-21swapper/323:04:563
302110499120,11cyclictest0-21swapper/322:03:373
302110499120,11cyclictest0-21swapper/300:35:203
302110499119,1cyclictest0-21swapper/320:00:153
3021104991111,0cyclictest0-21swapper/322:50:153
3021104991111,0cyclictest0-21swapper/322:20:133
3021104991110,1cyclictest0-21swapper/322:35:133
3021104991110,0cyclictest0-21swapper/323:40:133
3021104991110,0cyclictest0-21swapper/321:43:103
3021104991110,0cyclictest0-21swapper/300:05:143
302110499110,8cyclictest0-21swapper/319:30:123
302110499110,11cyclictest0-21swapper/320:05:233
302110499110,10cyclictest0-21swapper/300:30:013
302110499110,0cyclictest0-21swapper/323:30:153
302110499110,0cyclictest0-21swapper/322:05:013
302110499110,0cyclictest0-21swapper/319:35:123
302110499109,0cyclictest0-21swapper/319:21:113
3021104991010,0cyclictest0-21swapper/323:10:203
3021104991010,0cyclictest0-21swapper/322:40:183
3021104991010,0cyclictest0-21swapper/320:15:153
3021104991010,0cyclictest0-21swapper/320:10:163
302110499100,0cyclictest0-21swapper/323:50:183
302110499100,0cyclictest0-21swapper/322:15:203
302110499100,0cyclictest0-21swapper/300:30:143
30200122101,5sleep30-21swapper/319:05:193
30211049999,0cyclictest0-21swapper/323:20:203
30211049999,0cyclictest0-21swapper/323:05:143
30211049999,0cyclictest0-21swapper/322:11:203
30211049999,0cyclictest0-21swapper/320:40:263
30211049999,0cyclictest0-21swapper/319:15:133
30211049998,1cyclictest0-21swapper/320:55:013
30211049998,0cyclictest0-21swapper/323:55:123
30211049998,0cyclictest0-21swapper/323:45:163
30211049998,0cyclictest0-21swapper/323:35:133
30211049998,0cyclictest0-21swapper/320:30:133
30211049988,0cyclictest0-21swapper/322:55:133
30211049988,0cyclictest0-21swapper/321:26:443
30211049988,0cyclictest0-21swapper/321:15:203
30211049988,0cyclictest0-21swapper/320:45:173
30211049988,0cyclictest0-21swapper/319:10:143
30211049988,0cyclictest0-21swapper/300:02:113
30211049987,0cyclictest0-21swapper/321:57:023
30211049987,0cyclictest0-21swapper/321:45:153
30211049980,7cyclictest0-21swapper/321:50:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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