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2024-10-03 - 18:25
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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 rack3slot0.osadl.org (updated Thu Oct 03, 2024 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
99662630,0sleep70-21swapper/710:16:557
49662560,2sleep21492599cyclictest09:31:572
1466325442,8sleep70-21swapper/707:07:177
1449925039,8sleep50-21swapper/507:04:595
214992490,0sleep721486-21sshd11:52:017
1468824825,9sleep30-21swapper/307:07:383
136522480,0sleep70-21swapper/711:22:387
1233224433,8sleep10-21swapper/107:04:151
223892430,0sleep10-21swapper/111:15:271
191632430,0sleep40-21swapper/411:51:424
156512430,0sleep00-21swapper/011:05:250
267092410,0sleep70-21swapper/709:34:587
1476724129,9sleep40-21swapper/407:08:434
197632400,0sleep10-21swapper/112:38:561
150542400,0sleep70-21swapper/710:52:117
1463524028,9sleep60-21swapper/607:06:526
1462224028,9sleep20-21swapper/207:06:402
1457123926,9sleep00-21swapper/007:05:580
143842390,0sleep10-21swapper/109:46:541
85432380,0sleep20-21swapper/209:23:162
251092360,2sleep01491599cyclictest09:43:560
1495099223,18cyclictest1-21systemd09:24:036
1491599223,18cyclictest731-21sshd10:41:430
1491599205,13cyclictest26591-21grep12:17:030
1493299180,17cyclictest1896-21sshd10:54:393
1491599182,15cyclictest23868-21sshd11:40:050
1491599181,14cyclictest18297-21sshd11:55:390
1491599180,17cyclictest3911-21bash11:17:210
1491599171,15cyclictest15878-21bash12:03:370
79042160,0sleep60-21swapper/610:20:546
14915991613,2cyclictest28026-21users11:44:350
1491599161,14cyclictest1-21systemd11:21:470
175362150,1sleep4763-21runrttasks10:44:074
161342150,2sleep41494099cyclictest11:59:274
1491599150,15cyclictest28122-21id12:04:530
284062140,1sleep428401-21cpuspeed_turbos09:44:244
274612130,1sleep41-21systemd11:20:114
1495099132,9cyclictest11876-21grep11:54:476
14940991310,2cyclictest22856-21grepconf.sh12:24:184
14932991311,1cyclictest41-21ksoftirqd/312:01:223
14932991311,1cyclictest41-21ksoftirqd/309:09:123
14915991312,1cyclictest18650-21bash11:10:250
283152120,0sleep3391rcuc/310:23:483
252082120,0sleep70-21swapper/710:44:507
162452120,0sleep10-21swapper/110:43:561
1495599120,11cyclictest19354-21sshd12:31:177
1495099129,2cyclictest25989-21grepconf.sh11:24:166
14925991210,1cyclictest33-21ksoftirqd/209:13:312
1492599120,12cyclictest15905-21sshd10:39:282
1491599120,2cyclictest2813-21grepconf.sh12:21:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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