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2026-04-20 - 04:19

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 all highest latencies:
System rackfslot7s.osadl.org (updated Mon Apr 20, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
360895399340716,3387cyclictest3627070-21kworker/3:1+events20:05:123
360894799321614,3197cyclictest3641348-21kworker/1:1+events20:50:181
36089479930038,2991cyclictest3712230-21kworker/1:1+events00:30:171
36089479928108,2799cyclictest3631787-21kworker/1:0+events20:20:181
360895399279813,2779cyclictest3633137-21kworker/3:0+events20:30:153
360895399271412,2700cyclictest3666642-21kworker/3:0+events22:10:013
360895199262412,2608cyclictest3700598-21kworker/2:1+events00:15:212
360895199260515,2587cyclictest3669880-21kworker/2:2+events22:20:152
360895399259912,2583cyclictest3692779-21kworker/3:2+events23:55:123
360895399253712,2521cyclictest3612467-21kworker/3:1+events19:38:223
360894799253712,2521cyclictest3641348-21kworker/1:1+events20:58:561
360894299253511,2520cyclictest3625656-21kworker/0:2+events20:01:030
360894799253310,2521cyclictest3623634-21kworker/1:1+events19:55:221
36089479925326,2522cyclictest3684330-21kworker/1:2+events23:10:521
360895399253012,2514cyclictest3650841-21kworker/3:1+events21:40:463
360894799252211,2507cyclictest3647381-21kworker/1:1+events21:13:091
360894799252211,2507cyclictest3647381-21kworker/1:1+events21:13:081
360894299251913,2502cyclictest3639748-21kworker/0:1+events20:45:010
360895199251212,2496cyclictest3663499-21kworker/2:0+events22:30:142
360895199249812,2482cyclictest3678171-21kworker/2:1+events23:27:572
360895199249812,2482cyclictest3678171-21kworker/2:1+events23:27:562
360894799249812,2482cyclictest3678614-21kworker/1:1+events22:57:521
360895199249612,2480cyclictest3691238-21kworker/2:2+events23:55:542
360895199249612,2480cyclictest3678171-21kworker/2:1+events23:07:502
360895199249612,2480cyclictest3654199-21kworker/2:1+events21:34:202
360895399249412,2478cyclictest3703921-21kworker/3:2+events00:06:113
360895199249312,2477cyclictest3695744-21kworker/2:1+events23:38:102
360895399249212,2476cyclictest3681432-21kworker/3:0+events22:58:173
360895199248912,2474cyclictest3615889-21kworker/2:2+events19:56:522
360895399248812,2473cyclictest3708694-21kworker/3:1+events00:19:513
360895199248712,2471cyclictest3713837-21kworker/2:1+events00:38:192
360895399248511,2470cyclictest3645905-21kworker/3:1+events21:12:463
360895399248511,2470cyclictest3645905-21kworker/3:1+events21:12:453
360895199248512,2470cyclictest3707419-21kworker/2:2+events00:26:272
360895399248412,2469cyclictest3650841-21kworker/3:1+events21:52:503
36089519924846,2475cyclictest3663499-21kworker/2:0+events22:26:472
360895199248412,2468cyclictest3644191-21kworker/2:0+events21:22:162
360894799248412,2468cyclictest3625243-21kworker/1:2+events20:07:501
360895399248312,2469cyclictest3650841-21kworker/3:1+events21:25:113
360894799248312,2467cyclictest3644616-21kworker/1:2+events21:00:511
360895199248111,2467cyclictest3622211-21kworker/2:1+events19:48:522
360895399248012,2464cyclictest3639862-21kworker/3:2+events20:46:083
360895399247712,2463cyclictest3636389-21kworker/3:1+events20:35:063
360895399247712,2461cyclictest3612467-21kworker/3:1+events19:34:563
360895199247711,2462cyclictest3627129-21kworker/2:0+events20:12:482
360895399247611,2461cyclictest3689466-21kworker/3:2+events23:18:303
360895199247311,2458cyclictest3700598-21kworker/2:1+events00:00:232
360895399247112,2455cyclictest3644282-21kworker/3:2+events21:02:013
360895399246912,2453cyclictest3633137-21kworker/3:0+events20:27:563
36089479924699,2456cyclictest3697283-21kworker/1:1+events23:59:151
360895399246810,2454cyclictest3666642-21kworker/3:0+events22:25:133
360895399246312,2448cyclictest3619495-21kworker/3:0+events19:40:593
360895399246311,2448cyclictest3638127-21kworker/3:0+events20:41:583
360894299246312,2448cyclictest3694205-21kworker/0:1+events23:50:160
360895399246212,2448cyclictest3602119-21kworker/3:2+events19:20:093
360895399245812,2443cyclictest3644282-21kworker/3:2+events21:06:573
360895399245712,2442cyclictest3679712-21kworker/3:1+events22:52:163
360895199245610,2443cyclictest3638066-21kworker/2:1+events20:39:182
360895399245512,2441cyclictest3681432-21kworker/3:0+events23:00:103
360895399245512,2440cyclictest3647598-21kworker/3:0+events21:15:503
360895399245412,2439cyclictest3650841-21kworker/3:1+events21:30:283
360895399244911,2435cyclictest3647598-21kworker/3:0+events21:21:313
360894799244912,2433cyclictest3615810-21kworker/1:1+events19:44:441
360895399244712,2432cyclictest3681432-21kworker/3:0+events23:29:283
360895399244712,2432cyclictest3681432-21kworker/3:0+events23:29:273
360895399244712,2432cyclictest3650841-21kworker/3:1+events21:58:333
360894799244712,2432cyclictest3697283-21kworker/1:1+events23:51:261
360894799244712,2432cyclictest3658762-21kworker/1:0+events21:41:521
360894799244710,2434cyclictest3605357-21kworker/1:2+events19:25:111
360895399244612,2433cyclictest3650841-21kworker/3:1+events22:13:053
360894799244612,2431cyclictest3692807-21kworker/1:1+events23:30:131
360894799244612,2431cyclictest3634739-21kworker/1:2+events20:27:331
360894799244612,2430cyclictest3626980-21kworker/1:1+events20:12:271
360894799244611,2431cyclictest3712230-21kworker/1:1+events00:28:451
360894799244512,2430cyclictest3704639-21kworker/1:2+events00:22:111
360894799244511,2431cyclictest3634739-21kworker/1:2+events20:30:581
360894799244412,2429cyclictest3658762-21kworker/1:0+events21:49:261
360894799244411,2429cyclictest3638004-21kworker/1:2+events20:40:511
360894799244410,2431cyclictest3638004-21kworker/1:2+events20:37:471
360894799244212,2426cyclictest3662079-21kworker/1:1+events21:54:221
360894799244212,2426cyclictest3647381-21kworker/1:1+events21:06:331
360894799244112,2425cyclictest3687891-21kworker/1:0+events23:20:201
360894799244012,2425cyclictest3619202-21kworker/1:2+events19:49:391
360894799244012,2424cyclictest3649146-21kworker/1:0+events21:28:591
360894799243912,2424cyclictest3695655-21kworker/1:0+events23:38:331
36089429924369,2423cyclictest3647536-21kworker/0:0+events21:10:520
36089429924369,2423cyclictest3647536-21kworker/0:0+events21:10:520
360894799243412,2418cyclictest3687891-21kworker/1:0+events23:27:351
360894799243412,2418cyclictest3687891-21kworker/1:0+events23:27:351
360894799243411,2421cyclictest3625243-21kworker/1:2+events20:15:021
36089539924319,2418cyclictest3655168-21kworker/3:0+events21:39:343
360895399242912,2414cyclictest3712079-21kworker/3:2+events00:32:353
360894799242911,2414cyclictest3678614-21kworker/1:1+events22:48:011
360894299242612,2411cyclictest3639748-21kworker/0:1+events20:55:150
360895199242410,2411cyclictest3663499-21kworker/2:0+events22:16:522
360894799242311,2408cyclictest3702250-21kworker/1:0+events00:03:521
360894299242311,2409cyclictest3689776-21kworker/0:2+events23:25:200
360894299242311,2409cyclictest3689776-21kworker/0:2+events23:25:200
360894299242212,2406cyclictest3633201-21kworker/0:0+events20:23:220
36089539924198,2407cyclictest3619495-21kworker/3:0+events19:54:143
360895199241912,2404cyclictest3654199-21kworker/2:1+events21:39:582
360894799241611,2402cyclictest3704639-21kworker/1:2+events00:06:571
360895399241213,2396cyclictest3650841-21kworker/3:1+events22:15:213
360894799241012,2396cyclictest3675011-21kworker/1:0+events22:40:031
360895399240411,2390cyclictest3699210-21kworker/3:0+events23:54:033
360895199240412,2388cyclictest3710520-21kworker/2:0+events00:22:332
360895199239712,2381cyclictest3691238-21kworker/2:2+events23:30:592
360895199239712,2381cyclictest3630353-21kworker/2:1+events20:27:112
360894799239512,2380cyclictest3620870-21kworker/1:0+events20:00:411
360895199238210,2369cyclictest3610390-21kworker/2:2+events19:19:232
360895399236910,2356cyclictest3703921-21kworker/3:2+events00:14:593
360894799236612,2351cyclictest3655864-21kworker/1:1+events21:36:371
360894299236512,2349cyclictest3694205-21kworker/0:1+events00:31:500
360895199236311,2348cyclictest3639715-21kworker/2:2+events20:52:112
360894799236311,2349cyclictest3704639-21kworker/1:2+events00:11:311
360894299236312,2347cyclictest3625656-21kworker/0:2+events20:26:230
360894299236011,2346cyclictest3644222-21kworker/0:2+events21:17:450
360895399235510,2341cyclictest3625359-21kworker/3:2+events20:15:233
360894299234212,2327cyclictest3649175-21kworker/0:1+events21:24:050
360894799234011,2325cyclictest3662079-21kworker/1:1+events22:21:241
360894299233711,2322cyclictest3666940-21kworker/0:2+events22:54:520
360894299233612,2322cyclictest3694205-21kworker/0:1+events23:55:320
360895199233311,2318cyclictest3620468-21kworker/2:0+events19:42:082
360894299232812,2313cyclictest3694205-21kworker/0:1+events00:21:470
360895199232612,2310cyclictest3679803-21kworker/2:0+events22:53:022
360894299232311,2309cyclictest3622333-21kworker/0:2+events19:52:420
360894799231912,2304cyclictest3617493-21kworker/1:0+events19:37:351
360894299231912,2303cyclictest3642624-21kworker/0:0+events20:54:280
360894299231910,2305cyclictest3644222-21kworker/0:2+events21:07:430
360895199231012,2294cyclictest3663499-21kworker/2:0+events22:11:322
360895199230711,2292cyclictest3682795-21kworker/2:2+events23:01:182
360894299230112,2286cyclictest3694205-21kworker/0:1+events23:46:040
360894299229710,2284cyclictest3666940-21kworker/0:2+events22:22:330
360895199229111,2277cyclictest3644191-21kworker/2:0+events21:09:412
360894299227510,2262cyclictest3666940-21kworker/0:2+events22:45:450
360895199227411,2260cyclictest3687860-21kworker/2:2+events23:13:312
360895399227010,2257cyclictest3702161-21kworker/3:1+events00:01:103
360895399226911,2255cyclictest3692779-21kworker/3:2+events23:30:363
360895199226811,2254cyclictest3639715-21kworker/2:2+events20:55:352
360895199226811,2254cyclictest3627129-21kworker/2:0+events20:09:452
360894299226811,2253cyclictest3614128-21kworker/0:1+events19:21:190
360895199226611,2252cyclictest3630353-21kworker/2:1+events20:22:152
360895199226611,2251cyclictest3622211-21kworker/2:1+events19:51:322
360894299226612,2252cyclictest3671535-21kworker/0:1+events22:27:340
360895199226510,2252cyclictest3689586-21kworker/2:0+events23:23:002
360895399226310,2250cyclictest3692779-21kworker/3:2+events23:44:543
360895199226311,2248cyclictest3665650-21kworker/2:2+events22:08:522
360895399226211,2247cyclictest3666642-21kworker/3:0+events22:21:003
360895199226211,2248cyclictest3634832-21kworker/2:0+events20:30:352
360895399226112,2246cyclictest3712079-21kworker/3:2+events00:35:163
36089519922616,2252cyclictest3673826-21kworker/2:2+events22:43:032
360895199226110,2247cyclictest3644191-21kworker/2:0+events21:28:372
360895199225910,2246cyclictest3700598-21kworker/2:1+events00:13:242
36089479922598,2248cyclictest3662079-21kworker/1:1+events22:13:271
360894799225812,2243cyclictest3712230-21kworker/1:1+events00:36:251
360895199225610,2242cyclictest3614159-21kworker/2:0+events19:32:012
36089519922518,2239cyclictest3644191-21kworker/2:0+events21:16:122
360895199224011,2225cyclictest3691238-21kworker/2:2+events23:45:182
360894799224011,2226cyclictest3675011-21kworker/1:0+events22:35:101
360894799223910,2225cyclictest3687891-21kworker/1:0+events23:18:051
360895399223310,2220cyclictest3602119-21kworker/3:2+events19:16:193
36089479922336,2224cyclictest3697283-21kworker/1:1+events23:48:431
360894299223311,2219cyclictest3713898-21kworker/0:0+events00:37:560
36089479922318,2220cyclictest3684330-21kworker/1:2+events23:07:261
360895399223010,2216cyclictest3699210-21kworker/3:0+events00:26:033
360895399222911,2215cyclictest3675104-21kworker/3:2+events22:41:363
36089539922289,2216cyclictest3650841-21kworker/3:1+events21:49:053
360895399222710,2214cyclictest3681432-21kworker/3:0+events23:06:403
360894799222710,2214cyclictest3639630-21kworker/1:0+events20:47:381
36089539922269,2214cyclictest3625359-21kworker/3:2+events20:10:533
36089539922267,2216cyclictest3612467-21kworker/3:1+events19:28:373
360895399222611,2212cyclictest3642651-21kworker/3:0+events20:56:423
360895199222610,2213cyclictest3703891-21kworker/2:2+events00:08:282
360895399222510,2212cyclictest3695804-21kworker/3:1+events23:46:493
360895399222410,2211cyclictest3642651-21kworker/3:0+events20:51:503
36089479922229,2210cyclictest3662079-21kworker/1:1+events22:16:291
360894799222211,2209cyclictest3654230-21kworker/1:2+events21:30:051
360894799222111,2207cyclictest3662079-21kworker/1:1+events22:03:081
360894799222111,2207cyclictest3658762-21kworker/1:0+events21:57:251
360894799222110,2208cyclictest3647381-21kworker/1:1+events21:16:361
360894299222111,2206cyclictest3684392-21kworker/0:2+events23:08:130
360895199222010,2209cyclictest3678171-21kworker/2:1+events23:15:042
360894799222011,2206cyclictest3615810-21kworker/1:1+events19:34:361
360894799222011,2195cyclictest3675011-21kworker/1:0+events23:00:581
360894799222010,2207cyclictest3662079-21kworker/1:1+events22:08:061
360895399221811,2204cyclictest3681432-21kworker/3:0+events23:23:473
360894799221810,2205cyclictest3704639-21kworker/1:2+events00:19:301
360894799221810,2205cyclictest3612271-21kworker/1:1+events19:18:131
36089479922159,2203cyclictest3605357-21kworker/1:2+events19:23:141
360894299221512,2200cyclictest3688012-21kworker/0:0+events23:32:290
360894299220911,2195cyclictest3686090-21kworker/0:1+events23:18:500
360894799220810,2194cyclictest3662079-21kworker/1:1+events22:27:571
360894299220710,2193cyclictest3650783-21kworker/0:0+events21:29:220
36089539922039,2191cyclictest3625359-21kworker/3:2+events20:04:043
36089479922018,2189cyclictest3620870-21kworker/1:0+events19:53:291
360894299220112,2186cyclictest3628433-21kworker/0:1+events20:07:270
360894299218911,2175cyclictest3654261-21kworker/0:2+events21:31:400
36089429921887,2177cyclictest3665336-21kworker/0:1+events22:07:430
360894299218710,2175cyclictest3688012-21kworker/0:0+events23:24:100
360895399218610,2173cyclictest3692779-21kworker/3:2+events23:37:463
360895399218511,2169cyclictest3625359-21kworker/3:2+events19:58:243
360894299216011,2146cyclictest3657258-21kworker/0:1+events21:42:150
360895199215911,2144cyclictest3710520-21kworker/2:0+events00:33:222
36089519921585,2149cyclictest3608386-21kworker/2:1+events19:20:542
360894299215810,2145cyclictest3615767-21kworker/0:2+events19:30:530
360894299215511,2141cyclictest3663653-21kworker/0:0+events22:00:270
36089429921529,2140cyclictest3684392-21kworker/0:2+events23:10:310
360895399215010,2137cyclictest3673082-21kworker/3:1+events22:39:193
36089519921479,2135cyclictest3615889-21kworker/2:2+events19:29:002
36089539921428,2131cyclictest3687829-21kworker/3:1+events23:13:553
360894299214211,2128cyclictest3666940-21kworker/0:2+events22:31:000
36089429921409,2127cyclictest3625656-21kworker/0:2+events20:38:330
36089429921408,2128cyclictest3694205-21kworker/0:1+events00:18:460
36089429921407,2130cyclictest3682733-21kworker/0:0+events23:01:430
360894299214011,2126cyclictest3694205-21kworker/0:1+events23:39:440
360894299214011,2126cyclictest3694205-21kworker/0:1+events00:28:200
360894299214010,2127cyclictest3675073-21kworker/0:1+events22:41:130
360894299213911,2126cyclictest3644222-21kworker/0:2+events21:01:150
360894299213911,2125cyclictest3666940-21kworker/0:2+events22:19:080
360894299213911,2124cyclictest3666940-21kworker/0:2+events22:38:110
360894299213910,2126cyclictest3695956-21kworker/0:2+events23:41:580
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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