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2024-12-09 - 21:32

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #2, slot #7

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.

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 rack2slot7s.osadl.org (updated Mon Dec 09, 2024 12:43:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2952125996645,17cyclictest0-21swapper/110:16:001
2952125996037,20cyclictest0-21swapper/109:00:011
2952125996037,20cyclictest0-21swapper/109:00:011
295212599574,28cyclictest3111752-21ssh12:06:061
2952126995646,6cyclictest3046876-21awk10:40:012
2952126995547,3cyclictest0-21swapper/209:41:012
2952125995344,5cyclictest3092744-21grep11:41:131
295212599534,39cyclictest3073762-21ssh11:16:001
2952125995334,15cyclictest0-21swapper/108:40:011
2952125995230,19cyclictest0-21swapper/110:40:021
2952124995043,5cyclictest151ktimers/010:21:010
2952124995037,10cyclictest3044674-21gcc10:36:050
2952126994937,8cyclictest3098575-21ssh11:50:022
295212599493,25cyclictest3055404-21ssh10:51:021
2952125994927,3cyclictest0-21swapper/108:25:011
2952125994921,4cyclictest0-21swapper/112:35:571
2952125994921,4cyclictest0-21swapper/112:35:571
2952125994823,3cyclictest0-21swapper/112:31:281
2952126994739,5cyclictest2980636-21systemd-run08:45:012
2952126994738,6cyclictest2136149-21cups-browsed12:01:152
2952124994733,9cyclictest421-21avahi-daemon12:06:020
295212499471,20cyclictest3055524-21ssh10:51:070
295212499471,20cyclictest3014148-21ntpq09:51:080
295212599466,12cyclictest3115550-21ssh12:11:071
2952125994636,7cyclictest3061302-21sendmail11:00:011
2952125994636,6cyclictest2136149-21cups-browsed10:28:121
295212499464,8cyclictest3030702-21ntpq10:16:020
2952124994638,5cyclictest2991452-21latency_hist09:15:010
2952124994624,19cyclictest3091885-21kernelversion11:40:560
295212499462,21cyclictest3010781-21ssh09:46:220
295212699454,24cyclictest3027298-21ssh10:11:022
2952126994537,5cyclictest3072468-21systemd-run11:15:012
295212599454,35cyclictest3014169-21ssh09:51:091
2952126994436,5cyclictest3083726-21head11:30:452
2952126994434,6cyclictest3058568-21cut10:55:532
2952125994435,6cyclictest1-21systemd10:00:011
2952124994434,7cyclictest151ktimers/008:51:040
2952124994434,7cyclictest151ktimers/008:51:040
295212499443,17cyclictest3123222-21ssh12:21:010
2952124994427,11cyclictest12450irq/32-eth010:41:000
2952124994425,15cyclictest0-21swapper/008:40:020
295212499442,17cyclictest3115610-21ssh12:11:100
2952124994414,6cyclictest3040953-21ntp_kernel_pll_10:30:590
2952126994331,8cyclictest3129804-21sh12:31:002
295212699432,36cyclictest3119454-21ssh12:16:052
2952124994336,4cyclictest3063211-21unixbench_singl11:01:140
2952124994336,4cyclictest3063211-21unixbench_singl11:01:140
2952124994332,8cyclictest422-21dbus-daemon07:40:010
2952124994321,19cyclictest2969142-21sort08:05:520
2952124994320,20cyclictest3023372-21telnet10:05:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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