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2023-03-25 - 15:09

x86 Intel Celeron M @1500 MHz, Linux 5.15.32-rt39 (Profile)

Latency plot of system in rack #6, 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 -n -a0 -t1 -p99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 376 highest latencies:
System rack6slot5.osadl.org (updated Sat Mar 25, 2023 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2045099114525957,5484cyclictest20228-21kworker/0:211:35:100
2045099109555888,5053cyclictest11973-21kworker/0:109:08:440
2045099102845400,4873cyclictest10092-21kworker/0:009:33:060
204509999785227,4740cyclictest726-21kworker/0:010:25:100
204509999765328,4637cyclictest11973-21kworker/0:108:48:080
204509998475263,4573cyclictest2948-21kworker/0:207:17:520
204509994964993,4499cyclictest2948-21kworker/0:207:41:440
204509992874705,4578cyclictest726-21kworker/0:010:06:430
204509992704683,4576cyclictest8800-21kworker/0:112:20:550
204509991704640,4519cyclictest2948-21kworker/0:207:37:420
204509991654744,4416cyclictest11973-21kworker/0:108:20:390
204509991514624,4515cyclictest27779-21kworker/0:211:57:580
204509991364729,4403cyclictest2948-21kworker/0:207:21:380
204509990874584,4492cyclictest17852-21kworker/0:110:43:500
204509990324670,4351cyclictest2948-21kworker/0:207:58:490
204509990204734,4272cyclictest11973-21kworker/0:108:41:320
204509990104562,4437cyclictest27779-21kworker/0:211:53:190
204509989774542,4425cyclictest16969-21kworker/0:109:47:480
204509988844591,4282cyclictest7557-21kworker/0:011:25:420
204509988414581,4255cyclictest11973-21kworker/0:108:52:530
204509987054607,4087cyclictest726-21kworker/0:010:20:100
204509985864552,4030cyclictest3906-21kworker/0:209:23:410
204509982424274,3953cyclictest8800-21kworker/0:112:28:220
204509982284442,3743cyclictest726-21kworker/0:010:33:000
204509981904326,3841cyclictest11973-21kworker/0:109:10:170
204509981634390,3713cyclictest2948-21kworker/0:207:52:300
204509980554236,3805cyclictest4156-21kworker/0:111:10:490
204509980134311,3642cyclictest11973-21kworker/0:108:18:470
204509979404168,3757cyclictest11973-21kworker/0:108:32:150
204509978674041,3775cyclictest8800-21kworker/0:112:33:320
204509978244129,3644cyclictest11973-21kworker/0:108:27:410
204509978064102,3689cyclictest11973-21kworker/0:108:55:360
204509975464029,3506cyclictest2948-21kworker/0:207:25:240
204509974293743,3643cyclictest726-21kworker/0:010:14:070
204509973293870,3444cyclictest11973-21kworker/0:109:00:120
204509972803654,3584cyclictest2948-21kworker/0:207:31:210
204509972053826,3364cyclictest24309-21kworker/0:011:42:380
204509971823847,3324cyclictest25377-21kworker/0:212:39:590
204509971573833,3313cyclictest1120-21kworker/0:011:03:040
204509971353769,3314cyclictest8800-21kworker/0:112:15:000
204509971323673,3408cyclictest7557-21kworker/0:011:15:200
204509970653639,3374cyclictest16969-21kworker/0:110:00:410
204509969753735,3228cyclictest27779-21kworker/0:212:07:270
204509968673682,3174cyclictest17852-21kworker/0:110:49:050
204509967993450,3338cyclictest3906-21kworker/0:209:18:520
204509967773649,3124cyclictest7557-21kworker/0:011:30:340
204509967363627,3097cyclictest2948-21kworker/0:208:07:520
204509966943550,3093cyclictest11973-21kworker/0:108:36:490
204509966703596,3070cyclictest11973-21kworker/0:108:12:250
204509966093497,3060cyclictest16969-21kworker/0:109:36:190
204509965833526,3046cyclictest16969-21kworker/0:109:52:390
204509965823547,3024cyclictest16969-21kworker/0:109:42:570
204509965823485,3045cyclictest17852-21kworker/0:110:37:430
204509964693492,2966cyclictest16969-21kworker/0:109:57:290
204509964363528,2865cyclictest8800-21kworker/0:112:19:270
204509964343465,2958cyclictest10092-21kworker/0:009:28:140
204509963893321,3053cyclictest7557-21kworker/0:011:24:140
204509963693288,3038cyclictest27779-21kworker/0:212:01:020
204509962683241,3013cyclictest4156-21kworker/0:111:06:150
204509962343269,2954cyclictest27779-21kworker/0:211:48:470
204509961793288,2876cyclictest17852-21kworker/0:110:57:070
204509959852966,3004cyclictest726-21kworker/0:010:18:410
204509958953170,2710cyclictest17852-21kworker/0:110:52:270
204509958673175,2681cyclictest2948-21kworker/0:207:45:510
204509956843200,2481cyclictest2948-21kworker/0:207:13:450
204509952972704,2583cyclictest2948-21kworker/0:208:03:170
192462583186,204sleep00-21swapper07:05:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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