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2023-06-04 - 05:52

x86 Intel Core i7-3770K @3500 MHz, Linux 5.15.49-rt47 (Profile)

Latency plot of system in rack #0, slot #5
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 -h400 -q
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 rack0slot5.osadl.org (updated Sun Jun 04, 2023 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29101132397375,12sleep50-21swapper/519:01:4411
29099472376370,3sleep130-21swapper/1318:59:275
29099382348341,4sleep90-21swapper/918:59:2315
29082452339330,4sleep150-21swapper/1518:58:417
29102032335315,11sleep100-21swapper/1019:02:532
29100292335300,10sleep10-21swapper/119:00:361
29101322334298,10sleep40-21swapper/419:01:5910
29102012332314,10sleep80-21swapper/819:02:5114
29102312331313,10sleep110-21swapper/1119:03:103
29100682331311,10sleep120-21swapper/1219:01:034
29101962330309,12sleep60-21swapper/619:02:4912
29101052329310,11sleep140-21swapper/1419:01:376
29099922328308,11sleep30-21swapper/319:00:069
29099192326307,11sleep70-21swapper/718:59:0513
29099122325306,10sleep00-21swapper/018:58:580
29100752324304,11sleep20-21swapper/219:01:098
29105289910519,43cyclictest52950usb-storage21:07:301
29105759910421,21cyclictest52950usb-storage19:49:075
29105759910219,41cyclictest0-21swapper/1300:29:065
29105759910117,42cyclictest2922885-21latency_hist19:18:195
29105759910117,42cyclictest0-21swapper/1322:37:005
29105289910117,63cyclictest52950usb-storage19:59:151
2910575999533,20cyclictest3190146-21kworker/13:223:50:345
2910575999533,20cyclictest2816540-21kworker/13:219:11:455
2910528999230,20cyclictest3055236-21kworker/u32:021:46:281
291052899917,42cyclictest3068760-21ssh21:57:461
2910575998725,20cyclictest0-21swapper/1320:01:215
2910575998542,0cyclictest0-21swapper/1320:33:385
2910528998421,21cyclictest52950usb-storage00:06:421
2910528998421,20cyclictest52950usb-storage21:14:361
2910575998343,20cyclictest0-21swapper/1323:20:105
2910575998343,20cyclictest0-21swapper/1323:20:105
2910575998342,20cyclictest0-21swapper/1321:23:365
2910575998320,21cyclictest0-21swapper/1300:02:285
2910575998241,21cyclictest3133079-21kworker/13:023:04:565
2910575998241,20cyclictest2816540-21kworker/13:221:16:185
2910575998220,42cyclictest0-21swapper/1323:44:105
2910575998159,22cyclictest109-21ksoftirqd/1323:15:385
2910575998159,22cyclictest109-21ksoftirqd/1323:15:385
2910575998138,21cyclictest3045174-21kworker/13:222:24:085
2910575998134,23cyclictest3037990-21sh21:30:205
2910575998119,42cyclictest0-21swapper/1323:28:565
2910575998040,20cyclictest3026684-21kworker/13:021:22:005
2910575998018,42cyclictest0-21swapper/1323:01:045
2910575997939,20cyclictest3026684-21kworker/13:021:36:005
2910575997937,0cyclictest0-21swapper/1321:38:505
2910575997935,22cyclictest0-21swapper/1321:50:005
2910575997736,41cyclictest3045174-21kworker/13:222:28:325
2910575997736,20cyclictest3026684-21kworker/13:021:44:485
2910575997715,20cyclictest0-21swapper/1322:15:325
2910575997714,42cyclictest0-21swapper/1321:00:585
2910575997636,21cyclictest0-21swapper/1320:50:565
2910575997614,21cyclictest0-21swapper/1323:38:565
2910575997535,20cyclictest3204208-21kworker/13:000:07:465
2910575997533,0cyclictest109-21ksoftirqd/1320:11:175
2910575997434,21cyclictest2816540-21kworker/13:220:06:595
2910575997434,20cyclictest0-21swapper/1322:40:125
2910575997412,42cyclictest0-21swapper/1300:12:285
2910575997411,42cyclictest0-21swapper/1320:41:565
2910528997412,21cyclictest3101440-21ldconfig22:23:401
2910575997333,20cyclictest3204208-21kworker/13:000:16:345
2910575997333,20cyclictest2816540-21kworker/13:219:19:055
2910575997310,21cyclictest3139773-21ssh22:57:465
2910528997330,42cyclictest10731-21qemu-system-x8620:31:061
2910575997132,19cyclictest2816540-21kworker/13:219:07:135
291052899697,42cyclictest3157119-21ssh23:11:561
291052899697,42cyclictest3157119-21ssh23:11:561
291052899697,42cyclictest0-21swapper/120:15:371
2910528996727,20cyclictest3202894-21ssh23:48:521
291057599664,42cyclictest3045174-21kworker/13:222:06:425
2910528996616,0cyclictest0-21swapper/121:34:201
2910575996543,0cyclictest0-21swapper/1320:57:225
2910575996523,0cyclictest3045174-21kworker/13:222:22:265
2910575996423,21cyclictest0-21swapper/1323:09:465
2910575996423,21cyclictest0-21swapper/1323:09:465
2910575996420,21cyclictest0-21swapper/1321:07:325
2910575996318,23cyclictest0-21swapper/1321:10:105
291057599630,42cyclictest10790-21CPU5
2910528996316,47cyclictest0-21swapper/120:08:571
291052899631,19cyclictest3109064-21ssh22:30:261
2910575996221,41cyclictest3045174-21kworker/13:221:55:545
2910552996217,45cyclictest0-21swapper/819:49:0714
2910528996217,45cyclictest0-21swapper/120:26:171
2910575996141,20cyclictest0-21swapper/1300:27:365
2910575996121,20cyclictest0-21swapper/1320:45:365
2910575996119,42cyclictest0-21swapper/1322:46:045
2910552996116,45cyclictest0-21swapper/819:46:1714
2910575996020,20cyclictest3183281-21df23:33:385
2910528996017,20cyclictest10790-21CPU1
2910528996013,0cyclictest0-21swapper/119:21:311
291052899600,17cyclictest0-21swapper/122:57:441
291052899600,0cyclictest0-21swapper/123:16:101
291052899600,0cyclictest0-21swapper/123:16:101
2910575995918,21cyclictest3132516-21ssh22:50:045
2910552995914,45cyclictest0-21swapper/821:07:3014
2910528995917,42cyclictest3050416-21ssh21:41:321
2910528995917,0cyclictest0-21swapper/122:01:161
2910528995916,21cyclictest0-21swapper/121:30:401
2910528995915,44cyclictest0-21swapper/119:06:371
291052899590,17cyclictest0-21swapper/122:37:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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