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2023-12-09 - 00:23

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #9, slot #3

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 100 highest latencies:
System rack9slot3s.osadl.org (updated Fri Dec 08, 2023 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
105491690,47ptp4l0-21swapper/007:09:550
105491570,34ptp4l0-21swapper/107:05:271
790425046,2sleep20-21swapper/207:05:582
750925047,1sleep30-21swapper/307:05:303
9112440,0sleep3401ktimersoftd/311:55:273
264512410,0sleep30-21swapper/307:40:253
105491300,0ptp4l0-21swapper/110:50:201
105491260,0ptp4l0-21swapper/008:20:230
105491200,0ptp4l0-21swapper/108:35:021
847999190,16cyclictest0-21swapper/112:00:331
105491180,0ptp4l0-21swapper/008:05:310
105491180,0ptp4l0-21swapper/008:00:520
105491170,0ptp4l0-21swapper/111:20:291
105491170,0ptp4l0-21swapper/010:50:260
105491170,0ptp4l0-21swapper/010:35:230
105491170,0ptp4l0-21swapper/008:10:310
105491160,1ptp4l31349-21apt-get07:50:201
105491160,1ptp4l19857-21apt-get07:30:011
105491160,1ptp4l10918-21apt-get12:15:210
105491160,0ptp4l0-21swapper/111:55:251
105491160,0ptp4l0-21swapper/109:25:311
105491160,0ptp4l0-21swapper/107:25:341
105491160,0ptp4l0-21swapper/009:05:330
105491150,2ptp4l3942-21cut12:00:270
105491150,2ptp4l0-21swapper/210:15:402
105491150,1ptp4l6946-21apt-get09:05:201
105491150,1ptp4l4934-21memory10:00:301
105491150,1ptp4l4934-21memory10:00:291
105491150,1ptp4l32636-21ls09:50:351
105491150,1ptp4l31076-21memory11:50:300
105491150,1ptp4l27580-21apt-get10:45:211
105491150,1ptp4l22382-21/usr/sbin/munin08:30:351
105491150,1ptp4l21885-21snmp_o5powerctl09:30:310
105491150,1ptp4l2130-21snmp_o5powerctl10:55:330
105491150,1ptp4l20589-21irqstats12:35:261
105491150,1ptp4l19295-21date12:35:011
105491150,1ptp4l18999-21users10:25:351
105491150,1ptp4l14329-21apt-get07:20:010
105491150,1ptp4l14090-21snmp_o5powerctl08:15:350
105491150,1ptp4l14076-21ls09:15:321
105491150,1ptp4l13920-21smartctl09:15:310
105491150,1ptp4l12302-21ntp_states12:15:301
105491150,1ptp4l10538-21ls11:10:341
105491150,0ptp4l0-21swapper/107:20:201
105491150,0ptp4l0-21swapper/011:05:200
105491150,0ptp4l0-21swapper/009:48:530
105491150,0ptp4l0-21swapper/008:45:310
105491150,0ptp4l0-21swapper/008:25:240
105491150,0ptp4l0-21swapper/007:14:160
105491140,1ptp4l9962-21snmp_o5powerctl12:10:410
105491140,1ptp4l847999cyclictest10:35:211
105491140,1ptp4l6675-21hddtemp_smartct11:05:251
105491140,1ptp4l5681-21ntp_states08:01:001
105491140,1ptp4l553-21ls08:50:331
105491140,1ptp4l3176-21/usr/sbin/munin07:55:310
105491140,1ptp4l30163-21snmp_o5powerctl07:45:320
105491140,1ptp4l29344-21if_enp4s008:45:251
105491140,1ptp4l28593-21ntp_states11:45:301
105491140,1ptp4l26427-21ps09:40:351
105491140,1ptp4l24664-21snmp_o5powerctl07:35:511
105491140,1ptp4l22049-21snmp_o5powerctl08:30:340
105491140,1ptp4l21006-21ntp_states10:30:260
105491140,1ptp4l20846-21grep10:30:241
105491140,1ptp4l17983-21ntp_states11:25:290
105491140,1ptp4l1603-21/usr/sbin/munin08:55:220
105491140,1ptp4l16012-21snmp_o5powerctl10:20:361
105491140,1ptp4l15426-21timerwakeupswit12:20:351
105491140,1ptp4l13561-21/usr/sbin/munin12:20:330
105491140,1ptp4l11998-21latency_hist09:15:011
105491140,1ptp4l1165-21irqrtprio11:55:270
105491140,0ptp4l1160-21apt-get08:55:021
105491140,0ptp4l0-21swapper/112:10:401
105491140,0ptp4l0-21swapper/111:00:011
105491140,0ptp4l0-21swapper/110:15:331
105491140,0ptp4l0-21swapper/110:05:311
105491140,0ptp4l0-21swapper/109:35:211
105491140,0ptp4l0-21swapper/109:20:361
105491140,0ptp4l0-21swapper/108:40:321
105491140,0ptp4l0-21swapper/108:25:311
105491140,0ptp4l0-21swapper/108:05:021
105491140,0ptp4l0-21swapper/107:55:231
105491140,0ptp4l0-21swapper/107:45:331
105491140,0ptp4l0-21swapper/107:40:021
105491140,0ptp4l0-21swapper/107:10:351
105491140,0ptp4l0-21swapper/012:30:140
105491140,0ptp4l0-21swapper/012:05:320
105491140,0ptp4l0-21swapper/011:30:310
105491140,0ptp4l0-21swapper/010:40:320
105491140,0ptp4l0-21swapper/010:25:210
105491140,0ptp4l0-21swapper/010:15:200
105491140,0ptp4l0-21swapper/009:35:190
105491140,0ptp4l0-21swapper/009:20:220
105491140,0ptp4l0-21swapper/007:51:230
105491140,0ptp4l0-21swapper/007:25:290
105491140,0ptp4l0-21swapper/007:15:200
105491130,0ptp4l9954-21strings11:10:272
105491130,0ptp4l16581-21latency_hist12:30:010
105491130,0ptp4l0-21swapper/212:20:282
105491130,0ptp4l0-21swapper/212:15:332
105491130,0ptp4l0-21swapper/212:00:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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