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2025-09-18 - 05:55

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 highest latencies:
System rackfslot7s.osadl.org (updated Thu Sep 18, 2025 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
78895599283313,2815cyclictest871026-21kworker/3:2+events23:35:193
78894999282813,2811cyclictest866222-21kworker/1:0+events23:26:081
78895599277413,2757cyclictest808438-21kworker/3:2+events20:10:173
78894499277213,2754cyclictest885439-21kworker/0:2+events00:25:170
78895399276412,2746cyclictest820928-21kworker/2:2+events20:55:122
78895399273914,2722cyclictest824260-21kworker/2:1+events21:05:012
78895599265213,2635cyclictest861301-21kworker/3:1+events23:32:403
78895599264413,2628cyclictest816286-21kworker/3:1+events20:45:143
78895399264112,2627cyclictest882267-21kworker/2:1+events00:05:142
78894499261210,2599cyclictest846847-21kworker/0:1+events22:30:220
78895399260913,2592cyclictest863167-21kworker/2:3+events23:05:192
78894999260512,2589cyclictest880502-21kworker/1:2+events00:20:181
78895599253812,2524cyclictest846675-21kworker/3:2+events22:18:093
78895599253411,2520cyclictest816286-21kworker/3:1+events20:33:583
78895599253011,2515cyclictest880710-21kworker/3:1+events00:00:173
78895599252712,2512cyclictest814674-21kworker/3:0+events20:40:203
78895599252111,2506cyclictest822196-21kworker/3:0+events21:28:093
78895599251912,2504cyclictest822196-21kworker/3:0+events21:08:273
78894499251912,2503cyclictest805226-21kworker/0:0+events20:01:530
78894999250012,2485cyclictest849967-21kworker/1:2+events22:24:391
78894999249811,2484cyclictest821169-21kworker/1:0+events20:51:201
78894499249812,2482cyclictest885439-21kworker/0:2+events00:23:220
78894999249712,2481cyclictest861273-21kworker/1:1+events23:00:011
78894499249712,2482cyclictest890285-21kworker/0:0+events00:37:260
78894499249712,2482cyclictest825630-21kworker/0:2+events21:02:250
78894499249612,2481cyclictest846847-21kworker/0:1+events22:22:440
78894499249412,2479cyclictest800036-21kworker/0:0+events19:45:060
78894999249312,2477cyclictest839435-21kworker/1:0+events21:54:071
78894999249212,2477cyclictest809834-21kworker/1:1+events20:23:351
78894999249212,2476cyclictest857603-21kworker/1:2+events23:08:221
78894499249212,2477cyclictest801969-21kworker/0:2+events20:11:260
78895599249112,2475cyclictest822196-21kworker/3:0+events20:51:423
78894999249111,2477cyclictest846473-21kworker/1:1+events22:17:451
78894499249112,2476cyclictest833127-21kworker/0:2+events21:29:420
78894999249012,2475cyclictest874059-21kworker/1:1+events23:41:241
78894999249012,2474cyclictest877634-21kworker/1:1+events00:04:521
78894999249012,2474cyclictest857603-21kworker/1:2+events23:01:091
78894499248611,2471cyclictest888656-21kworker/0:1+events00:34:220
78894999248511,2471cyclictest846473-21kworker/1:1+events22:14:401
78894499247910,2465cyclictest828240-21kworker/0:2+events21:17:530
78894499247910,2465cyclictest828240-21kworker/0:2+events21:17:520
78894999247812,2463cyclictest809834-21kworker/1:1+events20:30:301
78894999247811,2463cyclictest821169-21kworker/1:0+events21:06:321
7889449924789,2465cyclictest814516-21kworker/0:1+events20:28:570
78894999247712,2461cyclictest870784-21kworker/1:2+events23:35:411
78894499247612,2461cyclictest786963-21kworker/0:1+events19:35:580
78894999247412,2460cyclictest795239-21kworker/1:1+events19:40:081
78894499247412,2459cyclictest816210-21kworker/0:2+events20:45:370
78894999247311,2458cyclictest877634-21kworker/1:1+events23:51:381
78894999247211,2457cyclictest822854-21kworker/1:1+events20:57:051
7889449924729,2459cyclictest819505-21kworker/0:0+events20:44:280
78894999246711,2453cyclictest834670-21kworker/1:1+events21:43:051
78894499246311,2448cyclictest870845-21kworker/0:0+events23:28:530
7889499924604,2452cyclictest795239-21kworker/1:1+events19:38:371
78894999245911,2444cyclictest816130-21kworker/1:2+events20:49:491
7889539924587,2448cyclictest820928-21kworker/2:2+events21:07:412
78894999245811,2443cyclictest821169-21kworker/1:0+events21:00:321
78895599245612,2441cyclictest814674-21kworker/3:0+events20:28:343
78895599245311,2438cyclictest880710-21kworker/3:1+events00:07:083
78894499245112,2436cyclictest808519-21kworker/0:0+events20:32:260
78895599245010,2437cyclictest790203-21kworker/3:0+events19:21:123
78895599244912,2434cyclictest822196-21kworker/3:0+events21:31:363
78895599244911,2435cyclictest828370-21kworker/3:2+events21:17:063
78895599244911,2435cyclictest828370-21kworker/3:2+events21:17:063
78895599244812,2434cyclictest819698-21kworker/3:2+events20:55:353
78895599244812,2432cyclictest839649-21kworker/3:0+events22:05:333
78894999244712,2432cyclictest821169-21kworker/1:0+events21:33:571
78895599244612,2430cyclictest840662-21kworker/3:1+events22:02:513
78895599244512,2430cyclictest862961-21kworker/3:2+events23:12:063
78895599244512,2429cyclictest822196-21kworker/3:0+events21:01:183
78895599244511,2431cyclictest853857-21kworker/3:0+events22:36:473
78895599244412,2429cyclictest810045-21kworker/3:0+events20:17:543
78895599244212,2428cyclictest795544-21kworker/3:1+events19:55:063
78895599244112,2426cyclictest795544-21kworker/3:1+events19:52:513
78895599244111,2427cyclictest822196-21kworker/3:0+events21:36:363
78894499244111,2427cyclictest844952-21kworker/0:0+events22:09:220
78895599244012,2425cyclictest840662-21kworker/3:1+events21:58:203
78895599243912,2424cyclictest797152-21kworker/3:2+events19:37:053
78895599243812,2422cyclictest853857-21kworker/3:0+events22:40:333
78895599243711,2423cyclictest856426-21kworker/3:2+events22:45:503
78894999243712,2421cyclictest796871-21kworker/1:2+events19:34:041
78894999243410,2420cyclictest840124-21kworker/1:1+events21:56:491
78894999243210,2418cyclictest814523-21kworker/1:0+events20:35:521
78894999242311,2408cyclictest834670-21kworker/1:1+events21:39:141
78894499241911,2404cyclictest869198-21kworker/0:1+events23:53:330
78894999241712,2401cyclictest803730-21kworker/1:0+events20:05:181
78895599241411,2399cyclictest822196-21kworker/3:0+events21:11:313
78895399241312,2398cyclictest802186-21kworker/2:0+events20:01:302
78895399241012,2395cyclictest880532-21kworker/2:0+events23:57:152
78895599239711,2383cyclictest836323-21kworker/3:2+events21:52:373
78894499238811,2374cyclictest821107-21kworker/0:1+events20:50:570
78895599238412,2369cyclictest861301-21kworker/3:1+events23:29:573
78894999238412,2370cyclictest830069-21kworker/1:1+events21:22:041
78895599237611,2362cyclictest858029-21kworker/3:1+events22:50:313
78894499237612,2361cyclictest846847-21kworker/0:1+events22:36:220
78895399237212,2357cyclictest846763-21kworker/2:2+events22:21:132
78895599236912,2353cyclictest886919-21kworker/3:2+events00:29:273
78895599236910,2356cyclictest888701-21kworker/3:1+events00:24:333
78894499236510,2353cyclictest790262-21kworker/0:2+events19:15:050
78894499236510,2353cyclictest790262-21kworker/0:2+events19:15:050
78895399236412,2348cyclictest816687-21kworker/2:0+events20:44:512
78895399236212,2347cyclictest802186-21kworker/2:0+events20:14:072
78895599235412,2338cyclictest829975-21kworker/3:1+events21:20:563
7889449923539,2341cyclictest882217-21kworker/0:1+events00:15:270
7889499923499,2337cyclictest875773-21kworker/1:2+events23:49:221
78894999234312,2328cyclictest864563-21kworker/1:1+events23:11:011
78895599233711,2322cyclictest871026-21kworker/3:2+events23:44:253
78895399233112,2315cyclictest865925-21kworker/2:0+events23:13:402
78894499233012,2315cyclictest859877-21kworker/0:2+events22:56:140
78895599232812,2313cyclictest805155-21kworker/3:0+events20:08:213
78895399232712,2311cyclictest838245-21kworker/2:2+events21:53:222
78895399232712,2311cyclictest820928-21kworker/2:2+events20:47:312
78895399232711,2312cyclictest870910-21kworker/2:1+events23:29:352
78895399232612,2310cyclictest856832-21kworker/2:1+events22:47:012
78895399232512,2310cyclictest869149-21kworker/2:0+events23:21:582
78895399232512,2309cyclictest795451-21kworker/2:0+events19:32:552
78895399232410,2310cyclictest808287-21kworker/2:2+events20:09:532
78895399232311,2309cyclictest885534-21kworker/2:1+events00:22:132
78895399232112,2306cyclictest851621-21kworker/2:0+events22:43:322
78895399232110,2308cyclictest816687-21kworker/2:0+events20:36:142
78895399231712,2301cyclictest838245-21kworker/2:2+events21:59:502
78895399231710,2303cyclictest883871-21kworker/2:0+events00:10:332
78895399231612,2302cyclictest827092-21kworker/2:0+events21:20:112
78895399231611,2302cyclictest841969-21kworker/2:1+events22:07:502
78895399231610,2303cyclictest841969-21kworker/2:1+events22:02:292
78895399231411,2300cyclictest885534-21kworker/2:1+events00:27:352
78895399231411,2300cyclictest841969-21kworker/2:1+events22:12:012
7889539923082,2303cyclictest800311-21kworker/2:2+events19:48:362
78894499229612,2282cyclictest867538-21kworker/0:0+events23:20:040
78894999229510,2282cyclictest846473-21kworker/1:1+events22:26:571
78894499227811,2263cyclictest874081-21kworker/0:0+events23:41:000
78894499227611,2261cyclictest816210-21kworker/0:2+events20:37:010
78894999227510,2261cyclictest839435-21kworker/1:0+events21:46:081
78894499227510,2262cyclictest879518-21kworker/0:0+events23:56:310
78895399227311,2258cyclictest856832-21kworker/2:1+events22:57:442
78894499227311,2259cyclictest875711-21kworker/0:2+events23:47:250
78894499227311,2258cyclictest858200-21kworker/0:1+events22:50:530
78894499227211,2257cyclictest839437-21kworker/0:0+events21:59:060
78894499227210,2258cyclictest848530-21kworker/0:0+events22:28:280
78894999227111,2258cyclictest826557-21kworker/1:1+events21:10:221
78894499227111,2257cyclictest800036-21kworker/0:0+events19:42:490
78894499227111,2257cyclictest792301-21kworker/0:0+events19:21:340
78894499227011,2256cyclictest833127-21kworker/0:2+events21:40:240
78895599226910,2256cyclictest837977-21kworker/3:1+events21:44:573
78895399226910,2255cyclictest851621-21kworker/2:0+events22:29:132
7889499922699,2257cyclictest851578-21kworker/1:0+events22:39:041
78894999226911,2255cyclictest809834-21kworker/1:1+events20:25:551
7889449922699,2257cyclictest826606-21kworker/0:1+events21:08:040
78894499226910,2256cyclictest856543-21kworker/0:2+events22:43:110
78894499226910,2255cyclictest870845-21kworker/0:0+events23:31:320
78894499226910,2255cyclictest828240-21kworker/0:2+events21:14:510
78894999226711,2253cyclictest892041-21kworker/1:0+events00:35:311
78894999226711,2253cyclictest802095-21kworker/1:1+events19:54:431
78894999226710,2254cyclictest872394-21kworker/1:0+events23:34:121
78894499226711,2253cyclictest831516-21kworker/0:0+events21:30:510
78894499226710,2254cyclictest812918-21kworker/0:2+events20:22:260
78894999226611,2251cyclictest821169-21kworker/1:0+events21:28:311
78894999226610,2253cyclictest828230-21kworker/1:2+events21:15:131
78894999226610,2253cyclictest828230-21kworker/1:2+events21:15:131
78894999226510,2251cyclictest790323-21kworker/1:1+events19:14:421
78894499226511,2252cyclictest839437-21kworker/0:0+events21:50:420
78894499226510,2252cyclictest806912-21kworker/0:1+events20:07:570
78894499226410,2251cyclictest864015-21kworker/0:1+events23:11:240
78894499226310,2250cyclictest875711-21kworker/0:2+events00:03:410
78894999226011,2246cyclictest857603-21kworker/1:2+events22:51:161
78894999226011,2245cyclictest806124-21kworker/1:2+events20:13:441
78894499226010,2247cyclictest793999-21kworker/0:2+events19:29:130
7889499922599,2247cyclictest855118-21kworker/1:1+events22:41:401
78894999225910,2245cyclictest806124-21kworker/1:2+events20:02:391
7889499922579,2245cyclictest792399-21kworker/1:0+events19:25:451
78895599225510,2241cyclictest859697-21kworker/3:0+events22:57:213
7889499922558,2243cyclictest806124-21kworker/1:2+events20:16:021
78895599225410,2241cyclictest878538-21kworker/3:0+events23:53:533
78895599225410,2241cyclictest805155-21kworker/3:0+events20:03:453
78894999225211,2237cyclictest798474-21kworker/1:0+events19:46:391
78894999225110,2238cyclictest803730-21kworker/1:0+events19:55:531
7889449922519,2239cyclictest786963-21kworker/0:1+events19:50:320
78895599225010,2236cyclictest790203-21kworker/3:0+events19:32:123
78894999225010,2236cyclictest857603-21kworker/1:2+events23:16:171
78894999225010,2236cyclictest857603-21kworker/1:2+events23:16:161
78894999224911,2235cyclictest841728-21kworker/1:2+events22:04:241
78894499224810,2234cyclictest858200-21kworker/0:1+events22:48:580
78894499224810,2234cyclictest854862-21kworker/0:0+events23:03:270
78894999224610,2233cyclictest880502-21kworker/1:2+events00:27:561
7889559922429,2229cyclictest884053-21kworker/3:0+events00:10:573
78895599224110,2228cyclictest880710-21kworker/3:1+events23:59:123
78895599223910,2226cyclictest799662-21kworker/3:0+events19:47:253
78895599223710,2224cyclictest850064-21kworker/3:1+events22:30:443
78895599223611,2222cyclictest862961-21kworker/3:2+events23:17:493
78895599223611,2222cyclictest862961-21kworker/3:2+events23:17:493
78895599223410,2221cyclictest862961-21kworker/3:2+events23:09:293
7889559922339,2221cyclictest816286-21kworker/3:1+events20:35:293
78895599223311,2219cyclictest846675-21kworker/3:2+events22:23:313
78894999223111,2217cyclictest843531-21kworker/1:0+events22:06:191
78895599222711,2213cyclictest890343-21kworker/3:0+events00:30:123
78895599222710,2214cyclictest840662-21kworker/3:1+events22:13:113
7889559922265,2218cyclictest795544-21kworker/3:1+events19:40:293
78895599222210,2209cyclictest861301-21kworker/3:1+events23:23:063
7889539922209,2208cyclictest885534-21kworker/2:1+events00:37:482
7889559922189,2206cyclictest813032-21kworker/3:2+events20:24:223
78895399221711,2203cyclictest891822-21kworker/2:2+events00:33:592
78895599221511,2201cyclictest861301-21kworker/3:1+events23:04:563
78895599221510,2202cyclictest893512-21kworker/3:1+events00:37:043
78895399221412,2198cyclictest870910-21kworker/2:1+events23:37:582
78895599221311,2199cyclictest884053-21kworker/3:0+events00:16:333
78895599220810,2196cyclictest875742-21kworker/3:1+events23:45:323
78894999220810,2195cyclictest849967-21kworker/1:2+events22:34:051
7889539922079,2195cyclictest833116-21kworker/2:0+events21:35:052
78894499220711,2193cyclictest786963-21kworker/0:1+events19:57:010
78894499220611,2191cyclictest869198-21kworker/0:1+events23:36:480
78894999220510,2192cyclictest880502-21kworker/1:2+events00:07:301
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78894999219211,2178cyclictest880502-21kworker/1:2+events00:15:491
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78895599218211,2168cyclictest846675-21kworker/3:2+events22:25:243
78895399218211,2168cyclictest831453-21kworker/2:1+events21:27:002
78895399218012,2164cyclictest802186-21kworker/2:0+events20:28:122
7889499921769,2164cyclictest885499-21kworker/1:1+events00:14:171
78894499217611,2162cyclictest854862-21kworker/0:0+events23:07:120
78895399216810,2155cyclictest777910-21kworker/2:2+events19:24:592
78894499215410,2140cyclictest846847-21kworker/0:1+events22:16:360
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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