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2026-05-27 - 22:05
OSADL QA Farm

OSADL QA Farm on Real-time of Mainline Linux

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

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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot2.osadl.org (updated Wed May 27, 2026 12:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)		T*(,W**)
latency
(µs)		CmdPIDPrioCmd
21408559910899,6cyclictest2240453-21kworker/u4:0+events_unbound10:34:400
21408569910396,5cyclictest2092494-21kworker/u4:3+events_unbound07:24:011
21408569910388,6cyclictest2142075-21kworker/u4:4+events_unbound07:19:001
21408559910394,6cyclictest2236003-21kworker/u4:4+events_unbound10:29:410
2140856999688,6cyclictest2151122-21kworker/u4:10+events_unbound08:15:011
2140856999380,6cyclictest2310331-21kworker/u4:2+events_unbound11:49:541
2140856998881,5cyclictest2143359-21kworker/u4:8+events_unbound08:39:151
2140855998679,5cyclictest2275519-21kworker/u4:9+events_unbound11:24:500
2140855998630,30cyclictest2140831-21munin-run07:10:010
2140856998370,6cyclictest2132179-21kworker/u4:14+events_unbound07:45:021
2140856998167,6cyclictest2151122-21kworker/u4:10+events_unbound08:24:141
2140856997971,6cyclictest2196598-21kworker/u4:7+events_unbound09:59:331
2140856997669,5cyclictest2171634-21kworker/u4:7+events_unbound09:09:231
2140856997567,6cyclictest2147283-21kworker/u4:4+events_unbound07:49:071
2140856997567,6cyclictest1923123-21kworker/u4:9+events_unbound07:29:021
2140856997365,6cyclictest2192100-21kworker/u4:11+events_unbound10:09:371
2140856997352,7cyclictest2192096-21kworker/u4:6+events_unbound09:34:251
2140855997264,6cyclictest2283778-21kworker/u4:2+events_unbound11:19:500
2140855997254,7cyclictest2209884-21kworker/u4:0+events_unbound09:54:590
2140856997165,4cyclictest2143359-21kworker/u4:8+events_unbound08:30:021
2140856997154,6cyclictest2196598-21kworker/u4:7+events_unbound09:40:161
2140856997151,15cyclictest2282950-21sh11:15:361
2140855996955,5cyclictest2222620-21kworker/u4:6+events_unbound10:54:440
2140855996953,12cyclictest2291700-21ntpq11:25:350
2140856996659,5cyclictest2163875-21kworker/u4:2+events_unbound08:44:171
2140855996659,5cyclictest2253785-21kworker/u4:4+events_unbound10:44:430
2140856996457,5cyclictest2132177-21kworker/u4:7+events_unbound07:54:061
2140856996456,6cyclictest2139576-21kworker/u4:1+events_unbound07:34:041
2140855996446,15cyclictest2173125-21timerandwakeup09:10:390
2140856996356,5cyclictest2169069-21kworker/u4:0+events_unbound08:59:211
2140855996243,4cyclictest2323592-21kworker/u4:2+events_unbound12:03:590
2140855996243,4cyclictest2323592-21kworker/u4:2+events_unbound12:03:580
2140856996154,5cyclictest2152389-21kworker/u4:11+events_unbound08:04:091
2140856996147,8cyclictest2196596-21kworker/u4:0-rpciod09:38:541
2140855996154,5cyclictest2327978-21kworker/u4:6+events_unbound12:20:010
2140855996152,7cyclictest2305917-21kworker/u4:0+events_unbound11:44:530
2140855996152,7cyclictest2305917-21kworker/u4:0+events_unbound11:44:530
2140855996144,5cyclictest2192093-21kworker/u4:1+events_unbound09:45:030
2140855996054,4cyclictest53-21kswapd009:40:010
214085599602,53cyclictest37-21kcompactd010:35:360
2140856995850,5cyclictest2167797-21kworker/u4:11+events_unbound09:04:221
2140855995850,6cyclictest2192100-21kworker/u4:11+events_unbound10:24:390
2140855995749,6cyclictest2327978-21kworker/u4:6+events_unbound12:25:020
2140855995749,6cyclictest2257621-21kworker/u4:8+events_unbound10:47:000
2140856995650,4cyclictest2170364-21kworker/u4:4+events_unbound09:16:001
2140856995647,6cyclictest2269347-21gltestperf11:00:191
2140855995649,5cyclictest2142075-21kworker/u4:4+events_unbound07:14:000
2140855995642,9cyclictest2339671-21timerwakeupswit12:20:380
2140856995548,5cyclictest2192093-21kworker/u4:1+events_unbound09:50:001
2140856995547,6cyclictest2249312-21kworker/u4:7+events_unbound11:35:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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