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2024-04-25 - 17:18
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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
Characteristics of the 50 highest latencies:
System rackcslot0.osadl.org (updated Thu Apr 25, 2024 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3272121710,6sleep131391299cyclictest22:49:545
132352129107,17sleep60-21swapper/619:10:1512
132352129107,17sleep60-21swapper/619:10:1512
132172126102,19sleep80-21swapper/819:10:0014
132172126102,19sleep80-21swapper/819:10:0014
9955212391,27sleep90-21swapper/919:07:2115
9955212391,27sleep90-21swapper/919:07:2115
131242121104,13sleep40-21swapper/419:08:5210
131242121104,13sleep40-21swapper/419:08:5210
1856621200,1sleep70-21swapper/722:31:3613
132222119105,9sleep110-21swapper/1119:10:033
132222119105,9sleep110-21swapper/1119:10:033
132412116102,10sleep120-21swapper/1219:10:214
132412116102,10sleep120-21swapper/1219:10:214
13263211392,17sleep140-21swapper/1419:10:396
13263211392,17sleep140-21swapper/1419:10:396
436621090,0sleep110-21swapper/1100:10:063
436621090,0sleep110-21swapper/1100:10:063
1830921060,2sleep130-21swapper/1323:51:095
13264210491,9sleep150-21swapper/1519:10:407
13264210491,9sleep150-21swapper/1519:10:407
13098210391,8sleep130-21swapper/1319:08:295
13098210391,8sleep130-21swapper/1319:08:295
942421010,2sleep15998-21dbus-daemon23:33:157
2014121010,1sleep90-21swapper/921:50:2715
2014121010,1sleep90-21swapper/921:50:2715
2766321000,1sleep3401ktimersoftd/300:15:199
2766321000,1sleep3401ktimersoftd/300:15:199
290952980,1sleep90-21swapper/921:14:3715
204752980,2sleep100-21swapper/1023:05:212
1051329879,13sleep00-21swapper/019:07:280
1051329879,13sleep00-21swapper/019:07:280
24042940,1sleep90-21swapper/923:36:5415
182182940,2sleep10961rcuc/1023:21:562
1305329263,25sleep70-21swapper/719:07:5113
1305329263,25sleep70-21swapper/719:07:5113
49562900,0sleep110-21swapper/1122:08:563
1321229082,4sleep30-21swapper/319:09:559
1321229082,4sleep30-21swapper/319:09:559
236072890,0sleep10-21swapper/123:43:271
45542880,0sleep60-21swapper/623:41:2412
61422870,0sleep100-21swapper/1000:02:202
302832870,0sleep150-21swapper/1522:16:467
266992870,1sleep130-21swapper/1300:14:575
266992870,1sleep130-21swapper/1300:14:575
25412870,1sleep50-21swapper/521:43:4211
1329128775,7sleep50-21swapper/519:11:0211
1329128775,7sleep50-21swapper/519:11:0211
1325028772,4sleep20-21swapper/219:10:278
1325028772,4sleep20-21swapper/219:10:278
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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