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2025-07-06 - 00:19
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack8slot4.osadl.org (updated Sat Jul 05, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4124742253194,19sleep70-21swapper/707:09:177
4125202244186,19sleep50-21swapper/507:09:555
4124642237174,21sleep60-21swapper/607:09:076
4124032237180,18sleep10-21swapper/107:08:141
4103182226193,21sleep40-21swapper/407:06:084
4123372224169,43sleep00-21swapper/007:07:170
4124602217187,19sleep20-21swapper/207:09:032
4123962215186,18sleep30-21swapper/307:08:083
5170012570,0sleep10-21swapper/110:21:201
41273099330,1cyclictest434863-21apt07:50:006
412730993230,2cyclictest771ktimers/607:11:206
412714993227,4cyclictest0-21swapper/008:55:000
412723993130,1cyclictest430086-21in:imuxsock07:25:003
412714993126,4cyclictest0-21swapper/007:50:000
41271499310,0cyclictest0-21swapper/011:16:210
41273499300,29cyclictest1202534-21systemd-journal08:00:007
41273499300,29cyclictest1202534-21systemd-journal07:25:007
412730993027,2cyclictest522082-21base6410:30:016
41273099300,29cyclictest0-21swapper/611:15:016
41273099300,0cyclictest0-21swapper/607:56:206
41272899300,29cyclictest0-21swapper/509:21:195
412725993026,3cyclictest429992-21apt-get07:41:204
41271999300,2cyclictest440231-21sh08:00:002
41271999300,29cyclictest0-21swapper/210:56:182
41271799300,29cyclictest0-21swapper/112:25:001
412714993028,1cyclictest0-21swapper/012:25:000
41271499300,29cyclictest0-21swapper/012:40:000
41273499290,28cyclictest0-21swapper/711:25:007
41273499290,28cyclictest0-21swapper/709:31:207
41273499290,28cyclictest0-21swapper/709:31:207
41273099290,28cyclictest453974-21idleruntime-cro08:25:006
41273099290,28cyclictest0-21swapper/612:31:236
41273099290,28cyclictest0-21swapper/611:56:196
41272899290,1cyclictest1202534-21systemd-journal12:25:005
412725992927,1cyclictest584879-21/usr/sbin/munin12:25:004
412725992927,1cyclictest541522-21apt-get11:06:234
412725992927,1cyclictest503249-21apt-get09:56:194
41272399290,28cyclictest0-21swapper/310:16:213
41272399290,28cyclictest0-21swapper/307:46:193
412719992927,1cyclictest0-21swapper/211:16:222
412719992926,2cyclictest1202534-21systemd-journal08:40:002
41271999290,29cyclictest0-21swapper/211:25:002
412717992927,1cyclictest0-21swapper/111:51:211
41271799290,28cyclictest0-21swapper/111:01:211
412714992927,2cyclictest0-21swapper/008:26:200
41271499290,28cyclictest0-21swapper/010:26:210
41271499290,1cyclictest413123-21apt-get07:11:200
41271499290,0cyclictest0-21swapper/007:51:210
412734992827,1cyclictest514278-21apt-get10:16:217
412734992827,1cyclictest0-21swapper/710:56:187
412734992827,1cyclictest0-21swapper/709:06:217
412734992826,1cyclictest505428-21latency_hist10:00:017
412734992826,1cyclictest0-21swapper/710:40:017
41273499280,27cyclictest0-21swapper/707:15:007
41273499280,0cyclictest0-21swapper/712:21:197
41273499280,0cyclictest0-21swapper/711:06:237
412730992828,0cyclictest0-21swapper/612:01:196
412730992826,1cyclictest416496-21apt-get07:16:206
412730992826,1cyclictest0-21swapper/611:26:196
41273099280,27cyclictest0-21swapper/609:16:206
41273099280,27cyclictest0-21swapper/607:51:216
412728992828,0cyclictest0-21swapper/512:15:005
412728992827,1cyclictest0-21swapper/508:21:205
41272899280,27cyclictest0-21swapper/508:16:195
41272599280,28cyclictest0-21swapper/411:51:214
412723992827,1cyclictest0-21swapper/312:26:183
41272399280,28cyclictest0-21swapper/312:00:003
412719992826,1cyclictest491705-21sh09:35:012
412719992826,1cyclictest491705-21sh09:35:012
412717992827,1cyclictest516473-21munin-run10:20:011
412717992827,1cyclictest426751-21sh07:35:001
412717992827,1cyclictest419207-21apt-get07:21:221
41271799280,28cyclictest0-21swapper/111:26:201
41271799280,28cyclictest0-21swapper/107:30:001
41271799280,0cyclictest0-21swapper/111:21:181
412714992828,0cyclictest0-21swapper/011:56:190
412714992826,2cyclictest0-21swapper/009:51:190
412714992825,2cyclictest546383-21idleruntime-cro11:15:010
412734992726,1cyclictest0-21swapper/711:16:227
412734992726,1cyclictest0-21swapper/707:36:197
412734992725,1cyclictest558185-21apt-get11:36:217
412734992725,1cyclictest0-21swapper/711:11:217
412734992724,2cyclictest462031-21cron08:40:007
412734992724,2cyclictest0-21swapper/710:10:017
412730992726,1cyclictest0-21swapper/610:11:206
412730992725,1cyclictest459854-21apt-get08:36:206
412728992726,1cyclictest0-21swapper/511:35:005
412725992727,0cyclictest0-21swapper/411:26:204
412725992727,0cyclictest0-21swapper/408:16:194
412725992726,1cyclictest473331-21apt-get09:01:184
412723992727,0cyclictest0-21swapper/312:21:193
412723992727,0cyclictest0-21swapper/312:00:013
412723992727,0cyclictest0-21swapper/311:31:213
412723992727,0cyclictest0-21swapper/311:25:003
412723992727,0cyclictest0-21swapper/311:06:233
412723992726,1cyclictest0-21swapper/309:25:013
412723992724,2cyclictest505443-21munin-run10:00:013
412719992727,0cyclictest0-21swapper/211:11:212
412719992725,1cyclictest0-21swapper/207:51:212
412719992724,2cyclictest1202534-21systemd-journal09:30:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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