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2025-06-17 - 02:17
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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 50 highest latencies:
System rack0slot7.osadl.org (updated Tue Jun 17, 2025 00:46:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7003439925870,2586cyclictest846769-21modprobe19:47:483
6992702209202,4sleep70-21swapper/719:07:0313
6997612197176,13sleep40-21swapper/419:09:4010
6997242188168,13sleep20-21swapper/219:09:238
6996292184174,6sleep50-21swapper/519:08:3711
6993762177149,20sleep120-21swapper/1219:07:244
6992712169148,14sleep80-21swapper/819:07:0414
6997412167143,16sleep100-21swapper/1019:09:312
6995432164141,15sleep60-21swapper/619:08:0712
6997392159136,15sleep90-21swapper/919:09:3015
699493213793,42sleep140-21swapper/1419:07:596
6967452121119,1sleep110-21swapper/1119:05:303
699197210842,56sleep150-21swapper/1519:06:397
69906928884,3sleep00-21swapper/019:06:240
69912327739,37sleep30-21swapper/319:06:279
69964327455,12sleep130-21swapper/1319:08:465
700315997366,6cyclictest0-21swapper/320:00:309
1278120730,65data-loop.00-21swapper/119:09:111
700354996845,6cyclictest0-21swapper/1422:30:126
700347996716,50cyclictest149-21ksoftirqd/1219:26:334
70033399670,41cyclictest0-21swapper/823:21:3814
70033399670,41cyclictest0-21swapper/823:21:3814
700351996451,7cyclictest0-21swapper/1320:49:315
700354996252,3cyclictest0-21swapper/1422:08:206
700333996235,19cyclictest1381432-21tr22:30:1314
700315996225,24cyclictest0-21swapper/321:18:479
700333995842,16cyclictest0-21swapper/800:08:0214
700333995842,16cyclictest0-21swapper/800:08:0214
700333995841,17cyclictest0-21swapper/823:59:4214
700315995744,6cyclictest865410-21dav1d-worker19:57:179
70034399565,23cyclictest847178-21dav1d-worker19:51:473
700319995549,1cyclictest1466152-21dav1d-worker22:54:2510
700351995225,27cyclictest1026315-21kthreadcore20:40:225
700341995248,3cyclictest0-21swapper/1020:00:192
70031599521,6cyclictest0-21swapper/321:43:299
700312995246,5cyclictest2888415-21IPC8
700347995115,33cyclictest12338-21gnome-shell21:04:424
700341995129,4cyclictest0-21swapper/1022:11:492
700341995037,8cyclictest0-21swapper/1019:52:252
700315995024,20cyclictest847180-21dav1d-worker19:52:149
70031299505,31cyclictest847182-21dav1d-worker19:51:318
70031299501,4cyclictest1500836-21firefox23:59:198
1278120500,38data-loop.00-21swapper/423:46:1610
700358994917,10cyclictest0-21swapper/1521:56:587
700343994939,5cyclictest0-21swapper/1120:02:183
700341994945,2cyclictest0-21swapper/1022:37:322
700341994838,7cyclictest918205-21Isolated19:19:512
700322994841,4cyclictest0-21swapper/522:51:4011
700322994828,13cyclictest846915-21chrome19:51:4811
700315994823,22cyclictest1465835-21kworker/u64:5+xprtiod00:19:329
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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