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2024-11-25 - 01:11

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #1, slot #6

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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  Intel
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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack1slot6s.osadl.org (updated Sun Nov 24, 2024 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3106399894,26cyclictest0-21swapper/109:04:411
3106399894,26cyclictest0-21swapper/109:04:411
31063998935,10cyclictest29511-21cut08:54:461
244399870,30rtkit-daemon17824-21iostat05:19:560
244399860,28rtkit-daemon8520-21yum05:00:120
244399830,27rtkit-daemon4415-21sed05:59:320
244399830,24rtkit-daemon6225-21switchtime06:00:020
244399800,27rtkit-daemon0-21swapper/106:44:530
244399790,4rtkit-daemon2442-21rtkit-daemon07:59:282
244399780,7rtkit-daemon31841-21munin-node05:50:030
244399780,24rtkit-daemon0-21swapper/105:41:180
244399780,24rtkit-daemon0-21swapper/104:46:350
244399770,24rtkit-daemon0-21swapper/104:57:350
244399760,25rtkit-daemon0-21swapper/105:46:180
244399760,19rtkit-daemon0-21swapper/105:31:410
244399750,20rtkit-daemon0-21swapper/105:38:410
26982740,6sleep00-21swapper/006:59:430
244399740,20rtkit-daemon0-21swapper/105:27:110
244399740,19rtkit-daemon0-21swapper/106:06:170
244399740,19rtkit-daemon0-21swapper/105:04:570
244399740,19rtkit-daemon0-21swapper/105:04:570
244399730,20rtkit-daemon0-21swapper/105:10:190
244399730,19rtkit-daemon0-21swapper/104:52:120
244399720,5rtkit-daemon0-21swapper/107:04:452
244399720,5rtkit-daemon0-21swapper/107:04:452
244399720,20rtkit-daemon0-21swapper/107:04:370
244399720,20rtkit-daemon0-21swapper/107:04:370
244399720,19rtkit-daemon0-21swapper/105:15:570
244399700,5rtkit-daemon2442-21rtkit-daemon08:24:423
244399700,5rtkit-daemon2442-21rtkit-daemon08:24:423
31065996819,42cyclictest0-21swapper/305:42:433
31065996727,33cyclictest11975-21wc07:15:033
31065996721,25cyclictest607-21fschecks_count06:54:483
31065996717,43cyclictest20785-21sensors05:25:063
3106199676,22cyclictest0-21swapper/009:49:240
31065996612,46cyclictest0-21swapper/306:29:443
31065996525,32cyclictest9996-21latency_hist07:14:303
31065996523,35cyclictest1283-21snmpd07:41:013
304722640,6sleep330651-21grep04:40:043
31065996318,37cyclictest0-21swapper/305:48:113
31065996316,40cyclictest0-21swapper/310:06:003
31065996315,40cyclictest0-21swapper/305:34:323
31065996314,41cyclictest0-21swapper/308:54:413
31065996311,45cyclictest0-21swapper/306:24:433
31065996311,45cyclictest0-21swapper/306:24:433
31065996218,37cyclictest0-21swapper/305:15:563
31065996218,36cyclictest27696-21iostat09:54:493
31065996122,32cyclictest11387-21cut09:24:343
31065996117,37cyclictest0-21swapper/306:39:473
31065996117,35cyclictest0-21swapper/309:01:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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