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2024-11-22 - 11:48
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack5slot4.osadl.org (updated Fri Nov 22, 2024 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22919212361,8sleep30-21swapper/319:06:213
229532110100,7sleep00-21swapper/019:06:460
22858210797,7sleep20-21swapper/219:05:322
23105210697,6sleep10-21swapper/119:08:441
102322670,0sleep00-21swapper/022:45:190
102322670,0sleep00-21swapper/022:45:180
19582630,1sleep010-21rcuc/022:10:140
181942630,0sleep20-21swapper/219:55:172
238422620,0sleep10-21swapper/100:32:271
169152590,0sleep10-21swapper/122:47:201
169152590,0sleep10-21swapper/122:47:191
249282550,0sleep10-21swapper/120:00:211
181462500,0sleep318152-21gltestperf20:25:143
23366993613,22cyclictest0-21swapper/123:09:081
259202290,7sleep125927-21sh23:40:191
2336199280,27cyclictest0-21swapper/019:27:020
319822270,0sleep10-21swapper/123:27:251
2337299271,25cyclictest0-21swapper/219:45:382
2337299270,26cyclictest0-21swapper/222:02:322
2337299270,26cyclictest0-21swapper/219:39:562
2337299270,26cyclictest0-21swapper/219:29:412
2337299270,26cyclictest0-21swapper/200:11:242
2336699270,26cyclictest0-21swapper/121:35:421
2336699270,26cyclictest0-21swapper/121:07:161
2336699270,26cyclictest0-21swapper/120:59:481
2336699270,26cyclictest0-21swapper/100:06:211
2336199270,25cyclictest17143-21latency_hist20:25:000
2337299260,25cyclictest20367-21ssh21:30:272
2337299260,25cyclictest0-21swapper/222:41:322
2336699260,25cyclictest0-21swapper/120:47:451
2336699260,25cyclictest0-21swapper/120:36:391
2336699260,25cyclictest0-21swapper/120:09:111
23372992522,3cyclictest0-21swapper/220:44:282
2337299250,24cyclictest0-21swapper/221:58:322
23366992523,2cyclictest0-21swapper/122:16:581
2336699250,24cyclictest0-21swapper/121:56:071
23361992516,8cyclictest0-21swapper/023:34:550
2337299242,21cyclictest0-21swapper/223:04:562
2337299240,23cyclictest0-21swapper/223:30:292
23366992422,2cyclictest0-21swapper/121:50:191
23366992422,2cyclictest0-21swapper/119:16:501
2336699242,21cyclictest0-21swapper/122:56:571
23366992417,7cyclictest0-21swapper/123:38:091
23366992417,7cyclictest0-21swapper/121:26:541
23366992415,8cyclictest0-21swapper/123:58:541
23366992415,8cyclictest0-21swapper/122:07:001
2336699240,23cyclictest0-21swapper/123:20:351
2336699240,23cyclictest0-21swapper/123:11:501
2336699240,23cyclictest0-21swapper/122:13:111
2336699240,23cyclictest0-21swapper/121:43:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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