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2023-11-28 - 21:27

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #9, slot #4

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 rack9slot4s.osadl.org (updated Tue Nov 28, 2023 12:59:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
107352444396,31sleep00-21swapper/007:22:340
1041324430,6sleep12397-21lldpd07:20:371
13022830,4sleep041ktimersoftd/009:46:350
174442810,9sleep11102499cyclictest09:05:191
11024996912,16cyclictest2779-21snmpd09:40:191
11024996712,16cyclictest2779-21snmpd08:25:471
11024996612,16cyclictest2779-21snmpd09:50:421
11024996611,15cyclictest2779-21snmpd10:50:271
11023996620,8cyclictest14628-21sed11:50:010
11024996411,23cyclictest10530-21taskset11:37:321
11024996314,15cyclictest2779-21snmpd09:35:011
128922620,4sleep02397-21lldpd07:30:010
11023996212,22cyclictest2779-21snmpd10:20:230
11024996111,17cyclictest2779-21snmpd11:20:081
1102399618,19cyclictest27715-21taskset10:56:200
11024996013,17cyclictest2779-21snmpd07:52:441
11024996013,16cyclictest2779-21snmpd10:55:301
11024996012,15cyclictest2779-21snmpd10:46:411
11024995911,16cyclictest18373-21taskset10:31:511
11024995817,17cyclictest2779-21snmpd12:52:121
11024995812,16cyclictest2779-21snmpd12:25:251
11024995811,16cyclictest28854-21iostat11:00:271
1102399577,17cyclictest15188-21taskset07:32:400
1102399572,21cyclictest262012sleep009:26:070
11023995710,11cyclictest2779-21snmpd09:35:380
11024995624,18cyclictest2779-21snmpd09:26:291
11024995612,16cyclictest2779-21snmpd11:12:111
11023995611,20cyclictest2397-21lldpd08:41:080
11024995515,18cyclictest2779-21snmpd07:31:371
1102399559,12cyclictest2779-21snmpd08:00:390
1102399556,22cyclictest2779-21snmpd09:08:330
11023995530,13cyclictest2779-21snmpd10:45:200
11023995510,17cyclictest2779-21snmpd09:40:400
11024995418,15cyclictest14493-21sshd11:49:321
11024995413,15cyclictest2779-21snmpd12:20:581
11024995411,23cyclictest16653-21taskset10:28:311
11024995411,16cyclictest2779-21snmpd11:55:151
11024995411,16cyclictest2779-21snmpd09:45:241
1102399549,18cyclictest2779-21snmpd08:13:230
11023995414,16cyclictest2779-21snmpd11:50:490
11024995321,20cyclictest20533-21runrttasks09:10:541
11024995319,15cyclictest2779-21snmpd07:37:421
11024995318,18cyclictest2779-21snmpd07:27:511
11024995313,15cyclictest2779-21snmpd09:15:091
11024995312,16cyclictest2779-21snmpd08:10:181
11024995311,16cyclictest2779-21snmpd12:18:181
11024995311,16cyclictest2779-21snmpd12:07:381
11023995325,7cyclictest2779-21snmpd08:19:490
11023995321,8cyclictest31907-21df12:35:210
11024995218,14cyclictest30638-21hddtemp_smartct11:05:291
11024995214,14cyclictest2779-21snmpd07:40:261
11024995212,16cyclictest2779-21snmpd07:47:321
11024995212,16cyclictest2779-21snmpd07:47:321
11024995211,18cyclictest7594-21taskset08:38:221
11024995211,16cyclictest2779-21snmpd08:09:081
11024995211,15cyclictest2779-21snmpd08:54:591
11023995213,13cyclictest2779-21snmpd12:10:450
11023995212,11cyclictest2779-21snmpd11:10:400
11024995120,18cyclictest2779-21snmpd10:18:051
11024995119,13cyclictest2779-21snmpd11:43:021
11024995116,17cyclictest873-21if_eth008:20:301
11024995115,17cyclictest1354-21diskstats12:40:221
11024995115,16cyclictest2779-21snmpd11:32:091
11024995113,19cyclictest0-21swapper/110:10:281
11024995113,16cyclictest2779-21snmpd08:30:191
11024995112,17cyclictest9362-21taskset08:42:021
11024995110,16cyclictest2779-21snmpd11:29:561
11024995110,16cyclictest2779-21snmpd10:41:591
1102399516,23cyclictest10880-21seq10:12:150
11024995019,18cyclictest2779-21snmpd12:38:141
11024995019,18cyclictest2779-21snmpd07:58:401
11024995017,17cyclictest2779-21snmpd08:45:581
11024995016,15cyclictest2779-21snmpd09:35:591
11024995016,13cyclictest2779-21snmpd12:03:391
11024995012,16cyclictest2779-21snmpd08:56:191
11023995012,15cyclictest2779-21snmpd10:05:010
11023995012,11cyclictest2779-21snmpd07:55:300
11024994921,15cyclictest2779-21snmpd10:07:101
11024994910,17cyclictest5475-21taskset09:59:471
1102399497,21cyclictest11349-21taskset08:48:110
11023994913,19cyclictest3637-21packagekitd12:43:570
11023994911,19cyclictest2779-21snmpd09:10:310
11024994815,15cyclictest2779-21snmpd10:20:581
11024994811,16cyclictest2779-21snmpd10:01:311
11024994811,16cyclictest16397-21taskset11:54:501
11024994811,15cyclictest2779-21snmpd11:17:241
1102399488,27cyclictest5499-21taskset08:31:040
1102399487,18cyclictest9024-21taskset10:07:270
1102399485,23cyclictest8597-21taskset11:31:570
11023994826,7cyclictest0-21swapper/009:31:080
11023994810,16cyclictest21342-21grep12:05:360
11024994713,15cyclictest20256-21seq10:36:561
11024994711,17cyclictest31099-21taskset12:31:211
11024994711,16cyclictest3076-21taskset12:45:191
11024994710,17cyclictest23528-21taskset12:10:491
1102399478,17cyclictest22580-21taskset07:50:560
1102399478,17cyclictest20270-21taskset10:37:020
1102399477,18cyclictest3405-21taskset09:52:470
1102399476,23cyclictest22521-21taskset09:17:030
11023994729,6cyclictest2779-21snmpd10:30:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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