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2025-04-03 - 15:43

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 Thu Apr 03, 2025 12:41:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
789956995648,5cyclictest895333-21cut11:15:011
789955995239,10cyclictest874772-21latency_hist10:40:030
789957994839,4cyclictest0-21swapper/208:57:052
789956994838,7cyclictest422-21dbus-daemon09:40:391
789956994738,6cyclictest829710-21true09:20:021
789956994738,6cyclictest829710-21true09:20:021
789955994739,5cyclictest930321-21ssh12:15:010
789955994639,4cyclictest924576-21latency_hist12:05:020
789955994639,4cyclictest924576-21latency_hist12:05:020
78995799454,36cyclictest861308-21ssh10:17:092
789957994537,5cyclictest883434-21latency_hist10:55:032
789957994439,2cyclictest0-21swapper/209:20:022
789957994439,2cyclictest0-21swapper/209:20:022
789955994411,24cyclictest9087291ssh11:37:050
789957994334,6cyclictest266-21systemd-journal08:25:002
789957994331,9cyclictest905806-21mailstats11:32:402
789956994335,5cyclictest918830-21cron11:55:011
789956994335,5cyclictest861438-21mailstats10:17:131
789955994336,5cyclictest881448-21wc10:52:020
789955994335,5cyclictest1-21systemd09:10:010
789956994233,6cyclictest809381-21cron08:15:011
789956994233,6cyclictest809381-21cron08:15:011
789957994133,5cyclictest874764-21cron10:40:012
789957994132,6cyclictest4173270-21cups-browsed09:12:202
789956994132,6cyclictest900368-21proc_pri11:22:131
789957994031,6cyclictest0-21swapper/209:22:052
789957994030,6cyclictest422-21dbus-daemon12:05:002
789957994030,6cyclictest422-21dbus-daemon12:05:002
78995699403,27cyclictest657-21snmpd07:42:111
789956994030,7cyclictest4173270-21cups-browsed08:00:011
78995699402,31cyclictest864466-21ssh10:22:041
789957993932,4cyclictest909260-21unixbench_multi11:37:162
789956993931,5cyclictest266-21systemd-journal08:10:011
78995799384,27cyclictest944354-21ssh12:37:042
789957993831,4cyclictest794459-21systemd-run07:25:012
789957993831,4cyclictest791455-21systemd-run07:15:022
789957993831,4cyclictest791455-21systemd-run07:15:022
789957993829,6cyclictest878049-21systemd-run10:45:012
789956993829,6cyclictest887909-21aten_r2power_vo11:01:561
789956993829,6cyclictest453-21systemd-logind09:40:021
789956993828,6cyclictest830456-21aten_r2power_cu09:21:561
789955993831,5cyclictest851311-21idleruntime-cro10:00:010
789955993830,5cyclictest421-21avahi-daemon09:55:010
789957993730,4cyclictest933880-21latency_hist12:20:022
789957993729,5cyclictest4173270-21cups-browsed09:41:552
789957993727,7cyclictest266-21systemd-journal07:20:012
789957993727,7cyclictest266-21systemd-journal07:20:012
789957993724,9cyclictest870292-21timerandwakeup10:32:162
78995799371,30cyclictest935578-21ssh12:22:062
789956993732,2cyclictest0-21swapper/110:00:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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