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2023-06-08 - 21:16

x86 Intel Core i7-3770K @3500 MHz, Linux 5.4.102-rt53 (Profile)

Latency plot of system in rack #c, slot #6
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h200 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackcslot6.osadl.org (updated Thu Jun 08, 2023 00:46:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41435172135117,3sleep10-21swapper/119:05:301
19142721310,0sleep40-21swapper/423:39:444
9685921240,0sleep335-21ksoftirqd/322:15:493
4143167211690,4sleep50-21swapper/519:05:265
4144160998718,37cyclictest0-21swapper/123:42:281
4144160998616,41cyclictest0-21swapper/120:27:291
4144177998316,35cyclictest0-21swapper/320:37:293
4144160998316,36cyclictest0-21swapper/121:37:281
4144198998114,36cyclictest0-21swapper/621:12:286
414378128158,11sleep70-21swapper/719:07:217
414370228157,12sleep60-21swapper/619:06:176
4144198998017,37cyclictest0-21swapper/619:17:286
4144160998016,36cyclictest0-21swapper/123:07:281
414382528058,11sleep20-21swapper/219:07:562
4144160997915,36cyclictest0-21swapper/119:27:281
414392027759,12sleep40-21swapper/419:09:194
414373627761,11sleep00-21swapper/019:06:430
414377727660,11sleep30-21swapper/319:07:183
2228422760,0sleep30-21swapper/300:05:313
2416052710,0sleep10-21swapper/100:22:101
1095092710,1sleep763-21ksoftirqd/722:27:397
1095092710,1sleep763-21ksoftirqd/722:27:387
300472700,0sleep40-21swapper/421:17:424
414418499696,30cyclictest0-21swapper/423:17:284
414419899680,36cyclictest0-21swapper/622:12:296
4144198996537,28cyclictest0-21swapper/620:17:286
4144152996512,44cyclictest10-21ksoftirqd/023:52:280
4144152996415,39cyclictest0-21swapper/000:37:290
4144160996015,13cyclictest0-21swapper/100:27:281
1428832580,1sleep335-21ksoftirqd/322:55:543
414419299385,33cyclictest0-21swapper/519:42:295
1865782340,1sleep2186580-21cpuspeed_turbos23:35:182
4144169993215,3cyclictest0-21swapper/221:22:282
4144169993214,8cyclictest0-21swapper/220:47:282
4144169993115,15cyclictest0-21swapper/219:47:292
4144152993115,15cyclictest0-21swapper/023:37:280
569352300,0sleep00-21swapper/021:40:290
4144198993014,15cyclictest0-21swapper/622:47:296
4144192993014,15cyclictest0-21swapper/521:57:285
4144152993014,15cyclictest0-21swapper/022:27:280
4144152993014,15cyclictest0-21swapper/022:27:280
4144169992915,14cyclictest0-21swapper/220:02:282
4144169992914,15cyclictest0-21swapper/221:52:292
4144169992913,15cyclictest0-21swapper/223:32:292
4144169992913,15cyclictest0-21swapper/223:22:282
4144160992913,15cyclictest0-21swapper/121:27:291
4144198992812,15cyclictest0-21swapper/620:42:296
4144192992827,1cyclictest0-21swapper/521:47:295
4144192992812,15cyclictest0-21swapper/500:17:285
4144169992815,12cyclictest0-21swapper/222:22:282
4144169992812,15cyclictest0-21swapper/220:32:292
4144198992711,15cyclictest0-21swapper/620:52:286
4144198992610,15cyclictest0-21swapper/623:02:286
4144160992610,15cyclictest0-21swapper/122:52:291
414419299259,15cyclictest0-21swapper/523:27:285
414416099248,15cyclictest0-21swapper/119:37:291
41746622230,0sleep50-21swapper/520:00:215
414419899237,15cyclictest0-21swapper/619:32:296
414419899237,15cyclictest0-21swapper/619:32:296
4144169992316,7cyclictest0-21swapper/221:02:282
414415299237,15cyclictest0-21swapper/000:07:290
414419299226,15cyclictest0-21swapper/522:42:285
414416999227,14cyclictest0-21swapper/220:12:292
414416999226,15cyclictest0-21swapper/200:12:282
414415299226,15cyclictest0-21swapper/000:22:280
605162210,0sleep00-21swapper/021:45:170
492602210,1sleep228-21ksoftirqd/221:35:182
414419899216,14cyclictest0-21swapper/622:37:296
414417799214,16cyclictest0-21swapper/300:32:293
291512210,0sleep10-21swapper/121:16:191
414416099204,15cyclictest0-21swapper/122:17:291
549442190,0sleep20-21swapper/221:40:152
414419299193,8cyclictest0-21swapper/523:46:445
1255102190,1sleep763-21ksoftirqd/722:40:447
414419299182,12cyclictest0-21swapper/521:17:295
414416999183,14cyclictest0-21swapper/223:57:292
1882102180,0sleep656-21ksoftirqd/623:35:296
464162170,0sleep30-21swapper/321:31:433
414419299172,14cyclictest0-21swapper/520:07:285
4144192991716,1cyclictest0-21swapper/522:32:285
1876172170,0sleep70-21swapper/723:35:227
414419299160,5cyclictest0-21swapper/522:07:295
414417799160,15cyclictest0-21swapper/321:07:293
414417799160,15cyclictest0-21swapper/320:57:283
414416999161,14cyclictest0-21swapper/223:47:282
1576682160,1sleep228-21ksoftirqd/223:10:182
1551052160,0sleep40-21swapper/423:07:004
414419899153,9cyclictest0-21swapper/622:06:446
215199150,1rtkit-daemon2150-21rtkit-daemon00:25:220
4144206991413,1cyclictest0-21swapper/723:44:297
4144206991413,1cyclictest0-21swapper/720:15:227
414420699140,14cyclictest0-21swapper/723:32:087
414419899140,1cyclictest121rcu_preempt23:05:216
4144184991413,1cyclictest0-21swapper/421:47:284
414418499140,1cyclictest0-21swapper/422:57:134
414418499140,1cyclictest0-21swapper/421:33:574
414418499140,1cyclictest0-21swapper/400:15:264
414416999140,13cyclictest0-21swapper/219:12:282
414416099140,1cyclictest0-21swapper/100:35:381
414416099140,13cyclictest103836-21ssh22:22:481
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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