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2025-02-13 - 06:29

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #f, 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.
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 rackfslot7s.osadl.org (updated Wed Feb 12, 2025 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
231394399390119,3879cyclictest2329048-21kworker/3:1+events20:00:203
231394399292614,2908cyclictest2332290-21kworker/3:0+events20:15:213
231394399284611,2831cyclictest2322328-21kworker/3:2+events19:40:213
231393899279313,2778cyclictest2345035-21kworker/2:2+events20:55:192
231393399275113,2734cyclictest2371004-21kworker/0:0+events22:20:220
231393599272413,2707cyclictest2316967-21kworker/1:0+events19:20:191
231393899261112,2594cyclictest2319278-21kworker/2:1+events20:05:212
231393899254112,2526cyclictest998-21gnome-shell21:26:592
231393599253912,2524cyclictest2374660-21kworker/1:1+events22:45:221
231394399253310,2518cyclictest2389679-21kworker/3:1+events23:35:203
231393599253312,2517cyclictest2374660-21kworker/1:1+events22:55:441
231393399253012,2516cyclictest2324210-21kworker/0:0+events19:55:210
231394399251012,2495cyclictest2358388-21kworker/3:2+events21:35:213
231393599250312,2488cyclictest2312046-21kworker/1:1+events19:29:231
231393399250011,2484cyclictest2320934-21kworker/0:1+events19:35:200
231394399249912,2484cyclictest998-21gnome-shell21:58:593
231393899249912,2484cyclictest998-21gnome-shell20:50:592
231393399248512,2470cyclictest998-21gnome-shell22:26:590
231393399247412,2458cyclictest2374574-21kworker/0:0+events22:34:430
231394399247012,2454cyclictest2333942-21kworker/3:1+events20:30:213
231393899246912,2453cyclictest2345035-21kworker/2:2+events21:19:422
231393399246711,2454cyclictest998-21gnome-shell23:50:580
231393899246611,2452cyclictest998-21gnome-shell22:33:592
231394399246012,2445cyclictest998-21gnome-shell20:39:583
23139339924598,2448cyclictest998-21gnome-shell21:32:580
231393599245712,2441cyclictest2361379-21kworker/1:0+events21:56:431
231393599245411,2439cyclictest2374660-21kworker/1:1+events23:08:211
231393599245212,2437cyclictest2367290-21kworker/1:2+events22:06:441
231393599245110,2437cyclictest2394619-21kworker/1:0+events23:47:211
231393599244911,2435cyclictest2406676-21kworker/1:1+events00:32:431
231393899244311,2428cyclictest2354306-21kworker/2:0+events21:22:452
231393899243411,2420cyclictest998-21gnome-shell20:45:592
231393899243311,2418cyclictest2380157-21kworker/2:1+events22:55:212
231393899243212,2417cyclictest2377710-21kworker/2:2+events22:53:212
231393599242912,2414cyclictest998-21gnome-shell21:42:591
231393599242910,2416cyclictest998-21gnome-shell00:12:581
231393899242812,2413cyclictest2367735-21kworker/2:0+events22:16:452
231393399242312,2407cyclictest2383917-21kworker/0:0+events23:07:460
231394399241712,2401cyclictest2370689-21kworker/3:2+events22:20:463
231394399241711,2403cyclictest2333942-21kworker/3:1+events20:25:223
231393399241410,2401cyclictest998-21gnome-shell00:20:580
231393399240812,2392cyclictest2392771-21kworker/0:2+events23:36:210
231393899240512,2390cyclictest998-21gnome-shell21:34:592
231393599240512,2391cyclictest998-21gnome-shell21:27:591
231393899240412,2389cyclictest998-21gnome-shell23:31:582
231393399240412,2389cyclictest2381787-21kworker/0:2+events23:10:420
231393399240412,2389cyclictest2365194-21kworker/0:0+events22:11:430
231393899240311,2389cyclictest998-21gnome-shell23:35:592
231393399240312,2387cyclictest2325803-21kworker/0:2+events19:53:420
231393399240310,2389cyclictest2324210-21kworker/0:0+events20:08:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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