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2025-04-02 - 08:12
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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 Wed Apr 02, 2025 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2821421420,5sleep02083799cyclictest00:07:450
2821421420,5sleep02083799cyclictest00:07:450
200672140116,19sleep60-21swapper/619:14:3012
20035212490,30sleep90-21swapper/919:14:0115
201372116103,8sleep20-21swapper/219:15:308
19283211491,19sleep100-21swapper/1019:13:132
20079211392,13sleep10-21swapper/119:14:411
19340211293,13sleep140-21swapper/1419:13:336
19232211183,23sleep50-21swapper/519:12:5211
20090210593,8sleep70-21swapper/719:14:4713
1278821000,1sleep110-21swapper/1123:33:263
193102990,1sleep1319278-21sshd23:12:525
2019129877,16sleep00-21swapper/019:16:160
107872950,1sleep10-21swapper/100:22:121
107872950,1sleep10-21swapper/100:22:121
2030229484,6sleep30-21swapper/319:17:079
220812930,2sleep110-21swapper/1119:17:303
2029729272,4sleep150-21swapper/1519:17:037
1685229284,4sleep110-21swapper/1119:12:263
320732900,5sleep92085199cyclictest23:25:3815
2001429062,23sleep80-21swapper/819:13:4314
275942870,0sleep60-21swapper/620:48:3612
220832870,1sleep60-21swapper/622:51:3712
257692860,1sleep60-21swapper/623:57:2512
255852860,1sleep60-21swapper/600:29:1512
280622850,1sleep120-21swapper/1200:13:504
280622850,1sleep120-21swapper/1200:13:504
1929428472,8sleep40-21swapper/419:13:2310
290982830,0sleep120-21swapper/1221:55:014
2014828375,4sleep130-21swapper/1319:15:415
2014728375,4sleep120-21swapper/1219:15:404
161592830,0sleep30-21swapper/323:06:499
15612790,0sleep30-21swapper/300:30:489
29242780,0sleep30-21swapper/322:17:209
180272780,1sleep90-21swapper/921:22:0415
84512600,1sleep138452-21bash23:48:265
2083999501,16cyclictest0-21swapper/100:07:291
2083999501,16cyclictest0-21swapper/100:07:291
20840994711,33cyclictest2019-21sshd23:45:398
35602440,1sleep70-21swapper/700:20:5813
35602440,1sleep70-21swapper/700:20:5813
20839994414,3cyclictest1010-21avahi-daemon22:03:271
2083999440,18cyclictest1349-21sshd22:32:431
20840994310,30cyclictest1076-21gdbus22:32:178
2083999431,18cyclictest1033-21gdbus23:30:361
20840994211,28cyclictest1010-21avahi-daemon22:04:238
2083999421,18cyclictest1010-21avahi-daemon23:33:321
2083799420,21cyclictest17437-21cups-browsed23:33:320
20841994137,3cyclictest0-21swapper/300:05:219
20841994137,3cyclictest0-21swapper/300:05:219
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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