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2023-05-31 - 19:20

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 100 highest latencies:
System rack6slot5.osadl.org (updated Wed May 31, 2023 12:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1749799106185377,5231cyclictest958-21kworker/0:108:58:580
1749799104685297,5160cyclictest10612-21kworker/0:110:35:200
1749799104265260,5155cyclictest958-21kworker/0:109:16:210
174979998295164,4654cyclictest958-21kworker/0:108:41:260
174979994275037,4338cyclictest10612-21kworker/0:111:03:440
174979992994813,4475cyclictest958-21kworker/0:108:11:150
174979992574699,4553cyclictest958-21kworker/0:109:25:550
174979991074716,4386cyclictest958-21kworker/0:107:41:530
174979990714591,4469cyclictest958-21kworker/0:108:02:360
174979990424744,4247cyclictest4370-21kworker/0:211:22:460
174979990164668,4343cyclictest958-21kworker/0:107:29:360
174979989784548,4419cyclictest10612-21kworker/0:111:05:040
174979988514484,4356cyclictest958-21kworker/0:107:50:010
174979988374675,4151cyclictest31500-21kworker/0:010:19:350
174979988234457,4361cyclictest7656-21kworker/0:111:37:530
174979987714549,4211cyclictest958-21kworker/0:107:58:220
174979987474636,4107cyclictest958-21kworker/0:108:50:080
174979987394429,4296cyclictest958-21kworker/0:108:48:140
174979986914403,4277cyclictest10612-21kworker/0:110:53:120
174979986514392,4248cyclictest31500-21kworker/0:010:24:460
174979985914563,4017cyclictest18398-21kworker/0:109:54:530
174979984984305,4181cyclictest31266-21kworker/0:012:18:120
174979984184265,4142cyclictest18398-21kworker/0:110:04:270
174979983894333,4042cyclictest10612-21kworker/0:110:57:350
174979981974103,4042cyclictest958-21kworker/0:109:01:370
174979981434394,3698cyclictest958-21kworker/0:109:06:140
174979980524140,3870cyclictest958-21kworker/0:107:23:270
174979980174348,3654cyclictest8786-21kworker/0:012:37:210
174979979724003,3918cyclictest958-21kworker/0:108:35:000
174979977754147,3617cyclictest10612-21kworker/0:111:11:050
174979976434153,3476cyclictest958-21kworker/0:108:09:190
174979976144121,3478cyclictest958-21kworker/0:108:39:170
174979975634102,3419cyclictest958-21kworker/0:108:17:420
174979975504000,3498cyclictest18398-21kworker/0:109:43:430
174979975194100,3404cyclictest31500-21kworker/0:010:07:520
174979974694049,3405cyclictest7656-21kworker/0:111:29:100
174979974293952,3425cyclictest18398-21kworker/0:109:58:050
174979973844025,3344cyclictest18398-21kworker/0:109:48:530
174979973163895,3406cyclictest958-21kworker/0:107:15:000
174979972943960,3320cyclictest10612-21kworker/0:110:45:100
174979972803861,3368cyclictest958-21kworker/0:107:19:010
174979971873840,3343cyclictest958-21kworker/0:109:35:320
174979971363890,3194cyclictest14955-21kworker/0:011:43:490
174979971333812,3278cyclictest28348-21kworker/0:212:07:370
174979970253750,3260cyclictest958-21kworker/0:109:10:480
174979968723706,3161cyclictest14955-21kworker/0:012:00:550
174979967463529,3165cyclictest10612-21kworker/0:110:33:520
174979966903461,3178cyclictest31500-21kworker/0:010:12:550
174979966643568,3082cyclictest958-21kworker/0:109:24:020
174979966623388,3223cyclictest958-21kworker/0:108:26:220
174979966583645,2998cyclictest958-21kworker/0:107:39:540
174979966023529,3023cyclictest958-21kworker/0:107:31:360
174979965363578,2943cyclictest958-21kworker/0:109:33:400
174979964243313,3060cyclictest10612-21kworker/0:111:16:180
174979962453258,2973cyclictest14955-21kworker/0:011:59:190
174979962313153,3054cyclictest4357-21kworker/0:112:28:560
174979961623346,2805cyclictest31500-21kworker/0:010:29:500
174979961473343,2800cyclictest958-21kworker/0:107:45:540
174979959133221,2681cyclictest7656-21kworker/0:111:30:460
174979958473174,2661cyclictest958-21kworker/0:108:23:560
174979955443024,2509cyclictest14955-21kworker/0:011:53:150
174979953092717,2581cyclictest14955-21kworker/0:011:45:270
174979953082714,2590cyclictest10612-21kworker/0:110:40:520
173502803183,202sleep00-21swapper07:09:270
174979945932,256cyclictest11-21ksoftirqd/012:12:040
174979941232,366cyclictest9037-21chrt12:31:500
174979938050,269cyclictest3703-21ssh12:22:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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