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2026-06-24 - 20:43
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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 Wed Jun 24, 2026 12:44:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
272032301280,13sleep20-21swapper/207:09:502
271902282252,20sleep10-21swapper/107:09:421
270902273243,19sleep00-21swapper/007:08:230
269272271241,20sleep30-21swapper/307:06:333
146172630,0sleep30-21swapper/309:46:303
37112620,0sleep30-21swapper/312:16:073
312102580,0sleep20-21swapper/208:25:202
278332570,0sleep20-21swapper/212:30:222
269342560,0sleep30-21swapper/310:52:573
228412560,0sleep00-21swapper/012:27:560
158212550,0sleep00-21swapper/009:47:270
251242540,0sleep10-21swapper/112:10:111
298282520,0sleep00-21swapper/011:53:160
320262210,0sleep20-21swapper/212:14:212
92682180,0sleep10-21swapper/108:50:141
8992180,0chrt0-21swapper/209:38:392
325392180,0sleep00-21swapper/011:35:150
313932170,0sleep20-21swapper/211:15:152
100662160,0sleep10-21swapper/107:40:161
2735399153,3cyclictest25589-21munin-run09:15:002
247722150,1sleep324774-21fschecks_time11:50:113
111802150,0sleep00-21swapper/010:43:380
108342140,0sleep30-21swapper/311:41:223
2735399133,3cyclictest14124-21smartctl10:45:132
2735399133,3cyclictest13931-21sed11:05:012
24162130,1sleep3341ksoftirqd/309:20:153
2735399123,6cyclictest28419-21sh10:15:052
2735399123,4cyclictest29785-21date10:55:002
2735399123,2cyclictest30458-21latency_hist11:15:022
2735399113,5cyclictest27549-21ssh11:32:172
2735399113,5cyclictest27549-21ssh11:32:172
2735399113,5cyclictest17430-21ssh11:06:252
2735399113,3cyclictest5889-21cat10:20:192
2735399112,6cyclictest24005-21ssh10:11:522
2735399112,3cyclictest15825-21perl09:05:142
61282100,0sleep10-21swapper/109:22:171
2735399105,4cyclictest8405-21idleruntime-cro08:50:012
2735399103,5cyclictest25056-21ssh09:33:542
2735399103,5cyclictest25056-21ssh09:33:542
2735399103,5cyclictest20713-21ssh12:26:182
2735399103,5cyclictest0-21swapper/209:48:112
2735399103,3cyclictest9886-21perl12:20:132
2735399103,3cyclictest9394-21sed08:50:152
2735399103,3cyclictest8871-21grep07:35:422
2735399103,3cyclictest8040-21ssh12:38:262
2735399103,3cyclictest5862-21ssh09:22:042
2735399103,3cyclictest5292-21cat10:40:122
2735399103,3cyclictest32378-21ssh11:35:142
2735399103,3cyclictest26640-21expr09:15:142
2735399103,3cyclictest19037-21sh12:05:472
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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