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2024-11-22 - 08:56
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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 Fri Nov 22, 2024 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2400221440,4sleep71319399cyclictest22:24:1313
2400221440,4sleep71319399cyclictest22:24:1313
125222118103,11sleep60-21swapper/619:13:0112
12700211493,15sleep20-21swapper/219:14:498
12458211393,13sleep110-21swapper/1119:12:173
3179521100,1sleep110-21swapper/1121:54:033
2194321090,2sleep666-21ksoftirqd/623:56:1212
12636210992,10sleep100-21swapper/1019:14:412
12433210994,11sleep70-21swapper/719:11:5713
12638210692,10sleep120-21swapper/1219:14:434
12408210391,8sleep40-21swapper/419:11:3810
12407210391,8sleep30-21swapper/319:11:379
1880321000,1sleep30-21swapper/323:33:579
275922990,1sleep120-21swapper/1222:30:274
275922990,1sleep120-21swapper/1222:30:274
242402990,2sleep666-21ksoftirqd/623:01:5412
136032960,0sleep150-21swapper/1522:38:477
1258029570,19sleep80-21swapper/819:13:5114
115622950,1sleep30-21swapper/322:33:149
115622950,1sleep30-21swapper/322:33:149
303422930,2sleep030335-21sshd21:32:290
215112930,1sleep80-21swapper/821:36:2114
18872930,4sleep31318699cyclictest21:17:499
238382920,5sleep71319399cyclictest23:18:1413
253932910,1sleep100-21swapper/1023:07:352
1254829175,4sleep150-21swapper/1519:13:267
50882900,1sleep00-21swapper/023:04:130
224372890,0sleep110-21swapper/1120:42:233
186242890,2sleep3998-21dbus-daemon21:40:499
135082890,0sleep90-21swapper/922:55:1615
1243128972,13sleep50-21swapper/519:11:5511
54312880,5sleep91319599cyclictest22:21:0215
54312880,5sleep91319599cyclictest22:21:0215
37052880,4sleep558-21ksoftirqd/500:25:3611
1260828875,9sleep10-21swapper/119:14:161
135322870,2sleep813533-21sshd21:56:0914
223722860,1sleep110-21swapper/1123:56:173
224952850,1sleep666-21ksoftirqd/600:06:5412
1169828573,6sleep90-21swapper/919:11:2715
1168628472,8sleep140-21swapper/1419:11:166
99662830,0sleep141291ktimersoftd/1400:21:126
157412830,1sleep990-21ksoftirqd/900:05:3715
1163928375,4sleep130-21swapper/1319:10:595
1164328172,4sleep00-21swapper/019:11:020
206932800,0sleep20-21swapper/222:23:368
206932800,0sleep20-21swapper/222:23:368
179632800,0sleep90-21swapper/921:30:2915
269462780,0sleep140-21swapper/1423:13:326
3792770,0sleep111051ktimersoftd/1123:52:483
143962760,0sleep00-21swapper/023:05:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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