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2026-06-30 - 22:26
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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 50 highest latencies:
System rackaslot8.osadl.org (updated Tue Jun 30, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
184132291265,17sleep20-21swapper/207:09:082
183502280220,49sleep00-21swapper/007:08:260
182002275244,21sleep10-21swapper/107:06:381
181912259228,21sleep30-21swapper/307:06:313
196982590,0sleep30-21swapper/309:35:313
103592580,0sleep30-21swapper/309:30:153
130012570,0sleep30-21swapper/309:51:253
69332560,0sleep20-21swapper/210:27:362
174712550,0sleep00-21swapper/010:54:090
149292550,0sleep10-21swapper/109:33:121
307452530,0sleep10-21swapper/109:42:461
73602140,0sleep10-21swapper/109:05:181
227762140,0sleep10-21swapper/109:57:411
1858999134,5cyclictest34-21ksoftirqd/312:10:013
1858199132,6cyclictest0-21swapper/110:02:301
1858199130,2cyclictest21881-21cat11:35:191
132112130,0sleep00-21swapper/011:30:210
1858199120,8cyclictest11471-21ssh09:10:581
18576991211,1cyclictest12-21ksoftirqd/010:20:010
18576991211,1cyclictest12-21ksoftirqd/009:30:000
1858999119,1cyclictest34-21ksoftirqd/307:20:013
1858199112,5cyclictest23327-21sh12:15:221
1858199112,5cyclictest23327-21sh12:15:221
1858199110,2cyclictest8693-21ssh10:48:421
1858199110,1cyclictest58792sleep109:04:221
1858199110,1cyclictest29323-21apt-get12:00:111
1858199110,1cyclictest28459-21ssh11:40:071
167522110,0sleep20-21swapper/209:34:372
1858999109,1cyclictest34-21ksoftirqd/308:00:003
1858999108,1cyclictest34-21ksoftirqd/310:10:013
1858999108,1cyclictest34-21ksoftirqd/307:40:013
1858999107,2cyclictest34-21ksoftirqd/311:20:013
1858999107,2cyclictest34-21ksoftirqd/310:25:013
1858999103,4cyclictest34-21ksoftirqd/309:04:593
1858199102,7cyclictest14027-21ssh11:50:201
1858199101,3cyclictest17689-21rm10:14:461
1858199100,2cyclictest4709-21ssh09:46:211
1858199100,2cyclictest275-21systemd-journal07:45:001
1858199100,2cyclictest275-21systemd-journal07:40:001
1858199100,2cyclictest22690-21ssh10:56:481
1858199100,2cyclictest1844-21ssh10:44:451
1858199100,1cyclictest4208-21smart_sda07:45:191
1858199100,1cyclictest20873-21apt-get11:55:021
1858199100,1cyclictest15839-21ssh12:30:351
1858199100,1cyclictest14035-21sshd10:51:281
1858199100,1cyclictest10627-21ssh09:50:161
1858199100,1cyclictest0-21swapper/112:25:431
1858199100,1cyclictest0-21swapper/111:25:131
1857699109,1cyclictest12-21ksoftirqd/009:05:000
1857699107,2cyclictest12-21ksoftirqd/008:40:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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