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2023-12-10 - 18:01
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack5slot4.osadl.org (updated Sun Dec 10, 2023 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2349421320,0sleep223493-21ssh12:25:232
235032111102,6sleep10-21swapper/107:09:201
232742110101,6sleep00-21swapper/007:06:220
23344210696,7sleep30-21swapper/307:07:183
23291210696,7sleep20-21swapper/207:06:372
292332750,0sleep00-21swapper/012:10:460
210032650,0sleep30-21swapper/309:15:493
132202560,0sleep10-21swapper/109:50:281
258292550,0sleep30-21swapper/309:39:273
185362430,0sleep00-21swapper/011:04:570
28872390,0sleep20-21swapper/212:00:232
2373199280,27cyclictest0-21swapper/111:09:371
2373199280,27cyclictest0-21swapper/111:09:371
2373199280,27cyclictest0-21swapper/107:49:021
2372999280,27cyclictest0-21swapper/009:37:120
2373499270,26cyclictest0-21swapper/210:48:552
2373499270,26cyclictest0-21swapper/208:28:232
2373199276,2cyclictest0-21swapper/110:10:141
2373199270,26cyclictest0-21swapper/112:21:531
2373199270,26cyclictest0-21swapper/111:57:351
2373199270,26cyclictest0-21swapper/110:26:251
2373199270,26cyclictest0-21swapper/110:18:151
2373199270,26cyclictest0-21swapper/109:09:141
2373199270,26cyclictest0-21swapper/107:55:501
2373199270,26cyclictest0-21swapper/107:54:341
2373199270,26cyclictest0-21swapper/107:19:141
2373499260,25cyclictest0-21swapper/212:20:192
2373199260,26cyclictest0-21swapper/109:46:441
2373199260,25cyclictest0-21swapper/112:33:021
2373199260,25cyclictest0-21swapper/112:25:171
2373199260,25cyclictest0-21swapper/111:44:471
2373199260,25cyclictest0-21swapper/110:57:341
2372999260,25cyclictest0-21swapper/011:56:580
2372999260,25cyclictest0-21swapper/009:55:110
23734992517,7cyclictest0-21swapper/208:05:582
2373499250,24cyclictest0-21swapper/211:53:112
23731992517,7cyclictest0-21swapper/107:36:261
2373199250,25cyclictest0-21swapper/111:02:271
2372999250,24cyclictest0-21swapper/011:39:010
2372999250,24cyclictest0-21swapper/010:19:000
2373499242,21cyclictest0-21swapper/212:07:042
2373499242,21cyclictest0-21swapper/210:31:502
23734992416,6cyclictest0-21swapper/211:37:562
2373499240,23cyclictest0-21swapper/211:25:182
2373499240,18cyclictest0-21swapper/210:58:012
2373199240,23cyclictest0-21swapper/111:18:211
2373199240,18cyclictest0-21swapper/111:23:071
2373199240,18cyclictest0-21swapper/110:41:191
23729992422,1cyclictest18265-21snmpd12:35:260
2372999241,21cyclictest0-21swapper/011:30:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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