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2025-07-16 - 01:17
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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 rack5slot2.osadl.org (updated Tue Jul 15, 2025 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191952199182,12sleep10-21swapper/107:07:111
191252191175,11sleep30-21swapper/307:06:173
190822187170,12sleep00-21swapper/007:05:410
172012175159,12sleep20-21swapper/207:05:112
211782500,1sleep021158-21cron10:50:010
139122460,0sleep10-21swapper/112:07:201
37342440,0sleep00-21swapper/009:35:460
190362420,0sleep30-21swapper/310:15:373
69262390,0sleep00-21swapper/010:25:430
306812380,0sleep10-21swapper/111:59:561
221832130,0sleep30-21swapper/312:28:083
154562130,0sleep10-21swapper/111:35:171
264122110,0sleep10-21swapper/109:47:241
195859992,3cyclictest12351-21munin-run09:05:010
19835280,0sleep00-21swapper/012:26:370
3922270,0sleep10-21swapper/109:20:141
196009976,0cyclictest40-21ksoftirqd/311:20:153
196009966,0cyclictest40-21ksoftirqd/310:50:013
196009964,2cyclictest40-21ksoftirqd/309:30:133
195919961,3cyclictest0-21swapper/111:10:131
8755250,0sleep10-21swapper/109:38:561
3371250,0sleep00-21swapper/007:40:120
196009955,0cyclictest40-21ksoftirqd/311:55:143
196009955,0cyclictest40-21ksoftirqd/311:35:013
196009955,0cyclictest40-21ksoftirqd/311:35:013
196009955,0cyclictest40-21ksoftirqd/311:30:013
196009955,0cyclictest40-21ksoftirqd/310:25:013
196009955,0cyclictest40-21ksoftirqd/310:00:143
196009955,0cyclictest40-21ksoftirqd/309:15:143
196009955,0cyclictest391ktimersoftd/311:10:143
196009954,1cyclictest40-21ksoftirqd/312:35:133
196009954,1cyclictest40-21ksoftirqd/311:05:023
196009954,1cyclictest40-21ksoftirqd/310:15:013
196009953,1cyclictest40-21ksoftirqd/308:40:133
196009950,5cyclictest28974-21apt-get10:05:133
196009950,5cyclictest0-21swapper/311:45:163
196009950,5cyclictest0-21swapper/311:44:323
196009950,5cyclictest0-21swapper/309:10:183
196009950,4cyclictest12765-21apt-get09:05:013
196009950,4cyclictest0-21swapper/310:30:123
196009950,4cyclictest0-21swapper/308:45:123
195959950,5cyclictest0-21swapper/210:20:132
195959950,5cyclictest0-21swapper/208:55:132
195959950,4cyclictest0-21swapper/212:00:122
195959950,4cyclictest0-21swapper/210:05:132
195959950,4cyclictest0-21swapper/207:45:142
195959950,2cyclictest0-21swapper/208:45:172
195919951,3cyclictest0-21swapper/107:25:141
195919951,2cyclictest0-21swapper/112:00:121
195919951,2cyclictest0-21swapper/107:45:141
195919951,2cyclictest0-21swapper/107:40:111
195859955,0cyclictest0-21swapper/011:35:020
195859950,5cyclictest0-21swapper/011:34:180
195859950,5cyclictest0-21swapper/011:34:180
195859950,5cyclictest0-21swapper/011:26:090
195859950,5cyclictest0-21swapper/011:09:430
195859950,0cyclictest0-21swapper/009:22:460
18194250,0sleep10-21swapper/110:31:321
196009944,0cyclictest40-21ksoftirqd/312:10:163
196009944,0cyclictest40-21ksoftirqd/311:50:223
196009944,0cyclictest40-21ksoftirqd/310:50:153
196009944,0cyclictest40-21ksoftirqd/310:40:143
196009944,0cyclictest40-21ksoftirqd/310:35:203
196009944,0cyclictest40-21ksoftirqd/310:25:023
196009944,0cyclictest40-21ksoftirqd/309:55:153
196009944,0cyclictest40-21ksoftirqd/309:50:123
196009944,0cyclictest40-21ksoftirqd/309:00:143
196009944,0cyclictest40-21ksoftirqd/308:35:113
196009944,0cyclictest40-21ksoftirqd/308:20:133
196009944,0cyclictest40-21ksoftirqd/308:00:013
196009944,0cyclictest40-21ksoftirqd/307:25:013
196009944,0cyclictest1304-21kworker/3:208:59:213
196009944,0cyclictest1304-21kworker/3:208:25:453
196009944,0cyclictest1304-21kworker/3:208:03:213
196009944,0cyclictest1304-21kworker/3:207:40:583
196009944,0cyclictest1304-21kworker/3:207:29:463
196009943,1cyclictest40-21ksoftirqd/312:00:153
196009943,1cyclictest40-21ksoftirqd/311:00:123
196009943,1cyclictest40-21ksoftirqd/309:20:123
196009943,1cyclictest40-21ksoftirqd/308:10:013
196009943,1cyclictest391ktimersoftd/311:15:123
196009942,2cyclictest40-21ksoftirqd/309:35:103
196009942,2cyclictest40-21ksoftirqd/309:25:383
196009940,4cyclictest5147-21apt-get08:50:123
196009940,4cyclictest19031-21ntpq08:10:183
196009940,4cyclictest0-21swapper/312:30:123
196009940,4cyclictest0-21swapper/311:35:023
196009940,4cyclictest0-21swapper/310:55:133
196009940,4cyclictest0-21swapper/307:45:143
196009940,4cyclictest0-21swapper/307:30:123
196009940,3cyclictest8372-21df07:50:143
196009940,3cyclictest5695-21ssh12:20:013
196009940,3cyclictest28442-21ssh12:15:133
196009940,3cyclictest28189-21df08:30:143
196009940,3cyclictest22677-21sed07:15:013
196009940,3cyclictest20763-21diskstats08:15:133
196009940,3cyclictest20763-21diskstats08:15:133
196009940,3cyclictest11136-21cut09:40:133
196009940,0cyclictest0-21swapper/309:45:143
195959944,0cyclictest31-21ksoftirqd/212:20:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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