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2024-06-25 - 22:59
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 50 highest latencies:
System rack0slot7.osadl.org (updated Tue Jun 25, 2024 00:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31703152201195,3sleep40-21swapper/419:09:3610
31702462200187,3sleep130-21swapper/1319:08:585
31703702193176,9sleep110-21swapper/1119:09:593
31702832188161,18sleep00-21swapper/019:09:170
31702372185179,3sleep50-21swapper/519:08:5011
31702022178160,10sleep70-21swapper/719:08:2013
31702382172151,11sleep60-21swapper/619:08:5112
31701182171150,13sleep90-21swapper/919:07:3315
31702722170152,9sleep100-21swapper/1019:09:102
31702542164146,10sleep30-21swapper/319:09:039
31701382162144,9sleep80-21swapper/819:07:4914
31700232162155,4sleep120-21swapper/1219:07:044
3170123211249,54sleep140-21swapper/1419:07:386
3169999210949,51sleep150-21swapper/1519:06:517
31482672105100,2sleep10-21swapper/119:05:001
317031127874,1sleep20-21swapper/219:09:358
150899650,0ntpd0-21swapper/1223:07:134
150899640,0ntpd0-21swapper/1120:07:143
3170627995958,1cyclictest1705480-1kworker/u33:219:40:3312
3170626994645,1cyclictest7363-21InputThread21:26:5411
3170626994645,1cyclictest7363-21InputThread21:26:5411
3170624994637,0cyclictest0-21swapper/320:32:079
3170623994544,1cyclictest3834904-1kworker/u33:223:13:288
3170627994215,26cyclictest1211338-21Renderer22:14:3612
3170629993914,25cyclictest3620810-21kworker/u32:020:46:0514
3170627993939,0cyclictest0-21swapper/622:53:4712
3170626993913,26cyclictest7327-21Xorg21:46:4611
317063699380,13cyclictest0-21swapper/1522:08:527
317063699380,13cyclictest0-21swapper/1520:10:197
3170632993810,27cyclictest1211338-21Renderer20:27:593
3170629993838,0cyclictest0-21swapper/822:49:4614
3170625993838,0cyclictest0-21swapper/423:48:5410
3170624993813,25cyclictest3331228-21kworker/u32:320:58:289
3170632993736,1cyclictest0-21swapper/1121:37:123
3170629993737,0cyclictest0-21swapper/823:30:2114
3170629993737,0cyclictest0-21swapper/823:30:2114
3170624993725,12cyclictest0-21swapper/319:52:189
3170622993712,25cyclictest342741-21kworker/u32:100:24:051
3170621993736,1cyclictest7668-21gnome-shell23:20:470
3170621993736,1cyclictest7668-21gnome-shell23:20:470
3170634993636,0cyclictest0-21swapper/1323:11:565
3170629993636,0cyclictest0-21swapper/821:46:5114
3170629993636,0cyclictest0-21swapper/820:02:3614
3170628993636,0cyclictest0-21swapper/720:51:2013
3170625993610,26cyclictest0-21swapper/421:46:4910
3170624993636,0cyclictest0-21swapper/320:04:289
3170621993628,8cyclictest0-21swapper/022:36:340
317062199362,20cyclictest0-21swapper/000:01:560
150899360,0ntpd0-21swapper/1122:07:133
3170631993522,13cyclictest0-21swapper/1023:08:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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