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2025-12-03 - 09:55
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot4.osadl.org (updated Wed Dec 03, 2025 00:45:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2114623150,3sleep20-21swapper/219:05:352
2106122890,1sleep117908-21kworker/u8:019:05:301
2109522770,1sleep316067-21kworker/u8:1119:05:323
21953989685,8cyclictest10-21ksoftirqd/021:11:540
61382930,2sleep26137-21ssh00:36:162
21953988172,6cyclictest10-21ksoftirqd/019:17:120
21953987468,3cyclictest1050ksoftirqd/020:52:270
21953987362,8cyclictest10-21ksoftirqd/019:41:510
21953987259,9cyclictest10-21ksoftirqd/023:01:280
21953986660,3cyclictest1050ksoftirqd/020:21:440
21953986659,3cyclictest1050ksoftirqd/019:46:540
21953986357,3cyclictest1050ksoftirqd/021:56:570
21953986255,3cyclictest1050ksoftirqd/020:17:370
21953985751,3cyclictest1050ksoftirqd/022:17:260
21953985747,7cyclictest10-21ksoftirqd/021:42:360
164262550,3sleep316418-21ssh23:50:453
164262550,3sleep316418-21ssh23:50:453
21953985043,3cyclictest1050ksoftirqd/020:37:050
21953984943,3cyclictest1050ksoftirqd/021:06:470
21953984939,7cyclictest10-21ksoftirqd/000:07:000
21957984640,3cyclictest26271-21kworker/u8:800:17:142
21957984640,3cyclictest26271-21kworker/u8:800:17:142
194912460,2sleep30-21swapper/321:45:193
275872450,2sleep20-21swapper/219:25:012
275872450,2sleep20-21swapper/219:25:012
310332430,3sleep20-21swapper/223:15:242
271532430,16sleep30-21swapper/320:48:413
271532430,16sleep30-21swapper/320:48:403
21954984336,4cyclictest2029-21kworker/u8:021:11:541
34542420,15sleep30-21swapper/322:18:333
285572420,3sleep10-21swapper/123:10:241
216382420,12sleep30-21swapper/320:34:583
252482410,2sleep125247-21sed19:15:431
21953983933,3cyclictest1050ksoftirqd/020:02:150
21953983932,3cyclictest1050ksoftirqd/000:32:360
21957983833,3cyclictest9584-21kworker/u8:2323:51:422
21957983833,3cyclictest9584-21kworker/u8:2323:51:422
21953983730,4cyclictest1050ksoftirqd/020:26:540
21953983727,7cyclictest10-21ksoftirqd/022:36:530
21953983727,7cyclictest10-21ksoftirqd/022:36:530
62122360,8sleep3311ksoftirqd/323:30:333
2195498362,10cyclictest121rcu_preempt00:00:151
2195498362,10cyclictest121rcu_preempt00:00:151
2195498353,3cyclictest121rcu_preempt22:00:291
54612340,3chrt311ksoftirqd/322:21:273
2195798347,4cyclictest121rcu_preempt23:55:292
2195798347,4cyclictest121rcu_preempt23:55:292
21957983428,3cyclictest4410-21kworker/u8:1419:52:012
203112340,8sleep1191ksoftirqd/120:30:221
21957983312,9cyclictest25-21ksoftirqd/223:00:232
2195498332,3cyclictest121rcu_preempt23:20:131
21953983328,3cyclictest1050ksoftirqd/019:12:050
90122320,2sleep129086-21kworker/1:120:00:321
2195798325,4cyclictest121rcu_preempt22:05:412
2195798325,4cyclictest121rcu_preempt22:05:402
4842310,8sleep121947-21cyclictest22:11:111
300292310,2sleep10-21swapper/122:05:321
300292310,2sleep10-21swapper/122:05:321
229962310,2sleep20-21swapper/221:50:452
2195798317,4cyclictest121rcu_preempt22:40:422
2195798311,9cyclictest5196-21/usr/sbin/munin22:20:432
228912300,10sleep225-21ksoftirqd/222:59:552
2195798307,12cyclictest25-21ksoftirqd/222:17:192
2195798301,7cyclictest25-21ksoftirqd/223:30:432
21953983025,3cyclictest1050ksoftirqd/019:57:080
169442300,3chrt0-21swapper/122:45:381
169182300,2sleep20-21swapper/222:45:352
60902290,2sleep10-21swapper/123:30:271
324502290,18sleep131695-21/usr/sbin/munin19:35:301
295702290,2sleep30-21swapper/300:20:023
295702290,2sleep30-21swapper/300:20:023
250932290,7sleep1121rcu_preempt23:02:281
2195798299,11cyclictest241rcuc/222:30:382
2195798295,5cyclictest25-21ksoftirqd/222:25:402
2195498298,3cyclictest186542threads23:55:421
2195498298,3cyclictest186542threads23:55:411
2195498295,6cyclictest19-21ksoftirqd/121:40:341
2195498292,3cyclictest121rcu_preempt22:20:151
216572290,3sleep20-21swapper/200:03:102
216572290,3sleep20-21swapper/200:03:102
145412290,2sleep30-21swapper/320:15:183
81472280,11sleep119-21ksoftirqd/119:57:181
43952280,2sleep10-21swapper/119:47:001
322072280,6sleep331-21ksoftirqd/300:25:043
270692280,5sleep1191ksoftirqd/120:47:391
270692280,5sleep1191ksoftirqd/120:47:391
258532280,2sleep20-21swapper/221:57:562
253672280,5sleep331-21ksoftirqd/319:16:573
242262280,1sleep29593-21kworker/u8:3200:09:012
241012280,2sleep323256-21kworker/u8:2021:55:043
2195898281,7cyclictest325912/usr/sbin/munin22:10:393
2195798287,6cyclictest25-21ksoftirqd/220:00:002
2195798287,4cyclictest121rcu_preempt23:40:262
2195798286,4cyclictest121rcu_preempt21:19:592
2195798281,3cyclictest121rcu_preempt00:25:522
21957982810,11cyclictest25-21ksoftirqd/219:35:452
118812280,4sleep321947-21cyclictest21:29:553
117992280,2sleep10-21swapper/121:29:271
96782270,1sleep33241-21kworker/u8:722:30:323
65072270,2sleep3121rcu_preempt21:16:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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