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2023-04-02 - 05:00

x86 Intel Core i9-9900K @3600 MHz, Linux 5.15.49-rt47 (Profile)

Latency plot of system in rack #0, slot #4
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 rack0slot4.osadl.org (updated Sun Apr 02, 2023 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24753642379361,10sleep30-21swapper/319:05:379
24754032363357,3sleep50-21swapper/519:06:1111
24754882362341,12sleep40-21swapper/419:07:1410
24754592361342,10sleep20-21swapper/219:06:568
24754992358340,9sleep150-21swapper/1519:07:257
24754962356338,10sleep120-21swapper/1219:07:224
24754902356339,8sleep60-21swapper/619:07:1712
24754642356335,12sleep70-21swapper/719:07:0213
24754972355335,11sleep130-21swapper/1319:07:245
24754942353334,9sleep100-21swapper/1019:07:202
24754122348308,11sleep80-21swapper/819:06:1414
24753752337319,10sleep140-21swapper/1419:05:496
24756102335317,10sleep110-21swapper/1119:08:583
24753792335316,11sleep10-21swapper/119:05:511
24754212334315,10sleep00-21swapper/019:06:220
24753892334316,10sleep90-21swapper/919:05:5915
247611899475,21cyclictest0-21swapper/1420:19:096
247612199349,25cyclictest0-21swapper/1519:47:147
247612199328,11cyclictest0-21swapper/1520:53:097
247612199328,11cyclictest0-21swapper/1519:14:177
247609199299,20cyclictest0-21swapper/720:49:2013
247607899254,0cyclictest0-21swapper/420:49:1910
247612199239,14cyclictest0-21swapper/1522:42:597
247606799230,13cyclictest0-21swapper/120:35:581
247612199229,0cyclictest0-21swapper/1521:48:047
247608699220,22cyclictest0-21swapper/619:25:2312
247612199218,0cyclictest0-21swapper/1523:26:537
247612199209,11cyclictest0-21swapper/1523:59:517
247612199209,11cyclictest0-21swapper/1523:48:527
247612199209,11cyclictest0-21swapper/1523:37:537
247612199209,11cyclictest0-21swapper/1523:04:557
247612199209,11cyclictest0-21swapper/1522:53:577
247612199209,11cyclictest0-21swapper/1522:31:597
247612199209,11cyclictest0-21swapper/1522:21:017
247612199209,11cyclictest0-21swapper/1522:10:027
247612199209,11cyclictest0-21swapper/1521:59:027
247612199209,11cyclictest0-21swapper/1521:26:067
247612199209,11cyclictest0-21swapper/1521:15:077
247612199209,11cyclictest0-21swapper/1521:04:077
247612199209,11cyclictest0-21swapper/1520:31:107
247612199209,11cyclictest0-21swapper/1520:20:127
247612199209,11cyclictest0-21swapper/1520:09:127
247612199209,11cyclictest0-21swapper/1500:21:497
247612199200,0cyclictest0-21swapper/1520:40:237
2476105992010,10cyclictest0-21swapper/1122:26:593
2476102992010,10cyclictest0-21swapper/1019:17:592
247610299200,17cyclictest0-21swapper/1023:27:052
247607899200,17cyclictest0-21swapper/419:11:5310
247606399200,17cyclictest0-21swapper/022:54:540
247606399200,17cyclictest0-21swapper/020:24:290
247612199199,10cyclictest0-21swapper/1523:15:547
247612199199,10cyclictest0-21swapper/1500:32:487
247612199199,10cyclictest0-21swapper/1500:10:507
247612199198,11cyclictest0-21swapper/1519:58:147
247612199198,11cyclictest0-21swapper/1519:36:157
247612199198,11cyclictest0-21swapper/1519:25:177
247611099190,17cyclictest0-21swapper/1222:12:374
2476105991919,0cyclictest2496874-21nodedev-init19:30:223
247610299199,0cyclictest0-21swapper/1022:47:582
247609599190,16cyclictest0-21swapper/820:56:4514
247609599190,16cyclictest0-21swapper/800:14:4114
247608699190,4cyclictest0-21swapper/623:00:2812
247608699190,16cyclictest0-21swapper/620:55:2012
247607899190,17cyclictest0-21swapper/421:05:1210
247612199187,11cyclictest0-21swapper/1521:37:047
247612199180,18cyclictest0-21swapper/1500:25:307
2476110991818,0cyclictest2519660-21kworker/12:020:49:194
247610299188,10cyclictest0-21swapper/1022:39:592
247609899180,15cyclictest0-21swapper/922:26:3215
247609599180,16cyclictest0-21swapper/820:07:1814
247608699180,3cyclictest0-21swapper/619:40:2412
247607499180,15cyclictest0-21swapper/322:08:329
247606799188,10cyclictest0-21swapper/100:16:591
247606399188,0cyclictest0-21swapper/021:25:580
2476118991716,1cyclictest1697-21snmpd00:11:446
247611499170,15cyclictest0-21swapper/1321:55:215
2476110991717,0cyclictest2758882-21nodedev-init00:35:284
2476110991716,1cyclictest1697-21snmpd23:35:294
247610599170,14cyclictest0-21swapper/1119:35:513
247610599170,0cyclictest0-21swapper/1100:05:563
247610299178,0cyclictest0-21swapper/1019:21:582
247609599170,17cyclictest0-21swapper/822:00:0714
247609599170,16cyclictest0-21swapper/823:50:2414
247609599170,14cyclictest0-21swapper/822:47:3414
247609599170,0cyclictest0-21swapper/820:03:4514
247609199170,14cyclictest0-21swapper/722:03:1013
247608699170,2cyclictest0-21swapper/621:20:5612
247608699170,14cyclictest0-21swapper/620:00:2112
247608399170,14cyclictest0-21swapper/519:12:4111
247607899170,15cyclictest0-21swapper/421:11:0310
247607499170,14cyclictest0-21swapper/321:15:219
247607299170,14cyclictest0-21swapper/223:45:548
247606799170,14cyclictest0-21swapper/122:50:331
247606799170,14cyclictest0-21swapper/120:29:371
247606799170,0cyclictest0-21swapper/119:18:031
247606399177,10cyclictest0-21swapper/023:40:590
247606399177,0cyclictest0-21swapper/021:11:580
2476063991716,1cyclictest1697-21snmpd22:41:540
247606399170,14cyclictest0-21swapper/019:20:220
2476114991616,0cyclictest2539814-21nodedev-init20:20:265
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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