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2026-04-18 - 08:59

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 376 highest latencies:
System rackfslot7s.osadl.org (updated Sat Apr 18, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
265480899340716,3387cyclictest2738069-21kworker/2:0+events23:25:192
265480099308415,3064cyclictest2672787-21kworker/0:0+events20:10:140
265480899303113,3013cyclictest2749481-21kworker/2:1+events00:10:132
265480899285814,2841cyclictest2702547-21kworker/2:1+events21:40:112
265480099283813,2822cyclictest2736039-21kworker/0:0+events23:20:010
265480099280014,2783cyclictest2745903-21kworker/0:2+events00:00:180
265480099279514,2779cyclictest2669201-21kworker/0:0+events19:55:160
265480099279511,2780cyclictest2672787-21kworker/0:0+events20:05:150
265480899276512,2749cyclictest2686202-21kworker/2:2+events20:54:432
265480399269113,2674cyclictest2713501-21kworker/1:1+events22:15:111
265480899268113,2664cyclictest2674706-21kworker/2:2+events20:35:162
265480899266413,2646cyclictest2752723-21kworker/2:2+events00:15:132
265480099264713,2630cyclictest2730048-21kworker/0:1+events23:00:140
265480099264413,2627cyclictest2696193-21kworker/0:2+events21:20:190
265481399263612,2620cyclictest2697654-21kworker/3:1+events21:23:183
265480099263213,2615cyclictest2700815-21kworker/0:1+events21:42:290
265480399262013,2603cyclictest2721723-21kworker/1:0+events22:32:501
265480399259312,2577cyclictest2681475-21kworker/1:0+events20:35:401
265481399258213,2566cyclictest2695876-21kworker/3:0+events21:15:193
265481399257912,2563cyclictest2733116-21kworker/3:1+events23:46:053
265480399257912,2564cyclictest2741497-21kworker/1:0+events23:35:521
265480399257812,2564cyclictest2713501-21kworker/1:1+events22:20:061
265480399257712,2561cyclictest2713501-21kworker/1:1+events22:09:051
265480399257612,2561cyclictest2725393-21kworker/1:2+events22:50:431
265481399257413,2558cyclictest2691472-21kworker/3:2+events21:30:163
265480899256912,2554cyclictest2723830-21kworker/2:2+events22:41:162
265480899256912,2553cyclictest2691277-21kworker/2:1+events20:59:172
265480899256712,2551cyclictest2741259-21kworker/2:0+events23:32:492
26548089925667,2556cyclictest2713590-21kworker/2:2+events22:19:442
265480899256312,2548cyclictest2721930-21kworker/2:0+events22:55:202
265480099256210,2548cyclictest2755693-21kworker/0:0+events00:36:080
265480899254512,2529cyclictest2707493-21kworker/2:1+events21:52:462
265480899254112,2526cyclictest2721930-21kworker/2:0+events22:35:072
265480099253712,2522cyclictest2705714-21kworker/0:0+events21:56:320
265480099253611,2522cyclictest2679838-21kworker/0:0+events20:32:410
265480099253512,2520cyclictest2705714-21kworker/0:0+events21:45:280
265480099253512,2520cyclictest2705714-21kworker/0:0+events21:45:270
265480099253312,2517cyclictest2733325-21kworker/0:1+events23:10:500
265480099253210,2518cyclictest2718535-21kworker/0:1+events22:40:290
265480099253112,2517cyclictest2755693-21kworker/0:0+events00:21:410
265481399252712,2511cyclictest2726930-21kworker/3:2+events22:57:383
265480899252712,2511cyclictest2681950-21kworker/2:1+events20:48:562
265480099252112,2506cyclictest2696193-21kworker/0:2+events21:16:050
265480099252112,2505cyclictest2724833-21kworker/0:0+events23:08:550
265480899251812,2503cyclictest2717063-21kworker/2:1+events22:26:392
265480399251012,2495cyclictest2756088-21kworker/1:0+events00:30:521
265480899250212,2486cyclictest2661306-21kworker/2:2+events19:54:292
265480399250111,2487cyclictest2702486-21kworker/1:2+events22:04:511
26548009925016,2491cyclictest2666296-21kworker/0:2+events19:47:380
26548039925008,2488cyclictest2746023-21kworker/1:2+events00:01:531
265480399249912,2483cyclictest2661338-21kworker/1:1+events19:32:401
265480399249812,2483cyclictest2729810-21kworker/1:1+events23:07:011
265480399249712,2481cyclictest2756088-21kworker/1:0+events00:39:091
265480399249712,2481cyclictest2648033-21kworker/1:2+events19:23:311
265480399249612,2481cyclictest2754146-21kworker/1:2+events00:12:081
265480399249612,2481cyclictest2681475-21kworker/1:0+events20:52:021
265480399249612,2480cyclictest2751539-21kworker/1:0+events00:09:261
265480399249612,2480cyclictest2723648-21kworker/1:1+events22:44:401
265480899249512,2479cyclictest2729990-21kworker/2:1+events23:12:012
265480399249512,2479cyclictest2648033-21kworker/1:2+events19:35:451
265480899249412,2478cyclictest2717063-21kworker/2:1+events22:34:202
265480399249412,2479cyclictest2741497-21kworker/1:0+events23:50:581
265480399249412,2479cyclictest2692899-21kworker/1:0+events21:04:381
265480899249312,2477cyclictest2691277-21kworker/2:1+events21:01:562
265480899249212,2478cyclictest2674706-21kworker/2:2+events20:25:052
265480399249112,2475cyclictest2699839-21kworker/1:1+events21:35:361
265480899249012,2474cyclictest2710308-21kworker/2:0+events22:01:062
26548089924893,2482cyclictest2733297-21kworker/2:2+events23:18:302
265480899248912,2473cyclictest2713590-21kworker/2:2+events22:11:222
265480899248911,2475cyclictest2744927-21kworker/2:0+events23:51:412
26548009924897,2478cyclictest2755693-21kworker/0:0+events00:18:180
265480899248810,2475cyclictest2717063-21kworker/2:1+events22:20:292
265480899248711,2472cyclictest2742922-21kworker/2:2+events23:40:482
265480899248612,2471cyclictest2733297-21kworker/2:2+events23:21:332
265480899248612,2470cyclictest2747557-21kworker/2:2+events23:59:362
265480899248611,2471cyclictest2729990-21kworker/2:1+events23:06:162
265480899248512,2470cyclictest2700935-21kworker/2:0+events21:34:512
265480899248512,2469cyclictest2749481-21kworker/2:1+events00:03:002
265480399248511,2471cyclictest2674479-21kworker/1:2+events20:15:061
265480099248511,2471cyclictest2755693-21kworker/0:0+events00:31:360
265480899248412,2468cyclictest2670896-21kworker/2:1+events20:04:322
265480899248410,2471cyclictest2691277-21kworker/2:1+events21:07:202
265480899248410,2470cyclictest2697471-21kworker/2:1+events21:26:452
265480899248212,2467cyclictest2670896-21kworker/2:1+events19:58:462
265480099248212,2467cyclictest2724833-21kworker/0:0+events22:49:560
265480899248110,2468cyclictest2729990-21kworker/2:1+events23:04:022
265480899248012,2464cyclictest2741259-21kworker/2:0+events23:36:152
265480899248012,2464cyclictest2699081-21kworker/2:2+events21:22:562
265480899248011,2466cyclictest2658114-21kworker/2:1+events19:26:312
265481399247811,2464cyclictest2731521-21kworker/3:0+events23:09:193
265480899247812,2463cyclictest2704182-21kworker/2:2+events21:45:512
265480899247812,2463cyclictest2704182-21kworker/2:2+events21:45:512
265480899247811,2464cyclictest2678450-21kworker/2:1+events20:22:462
265480899247712,2463cyclictest2658114-21kworker/2:1+events19:20:062
265480899247712,2461cyclictest2661306-21kworker/2:2+events19:41:312
265480899247710,2464cyclictest2749481-21kworker/2:1+events00:08:192
265481399247512,2460cyclictest2723219-21kworker/3:1+events22:37:223
265480899247311,2459cyclictest2713590-21kworker/2:2+events22:08:182
265480399247012,2454cyclictest2754146-21kworker/1:2+events00:20:331
265481399246512,2449cyclictest2638700-21kworker/3:2+events19:18:113
265480399246312,2447cyclictest2681475-21kworker/1:0+events20:47:011
265480099246312,2448cyclictest2679838-21kworker/0:0+events20:36:250
26548009924618,2449cyclictest2712050-21kworker/0:2+events22:25:520
265480099245812,2443cyclictest2679838-21kworker/0:0+events20:30:000
265480099245811,2442cyclictest2752517-21kworker/0:1+events00:10:380
265480399245612,2440cyclictest2747705-21kworker/1:1+events23:58:291
265480899245412,2438cyclictest2681950-21kworker/2:1+events20:34:332
265480099245412,2438cyclictest2745903-21kworker/0:2+events00:07:100
265480899245312,2437cyclictest2692990-21kworker/2:0+events21:14:132
265480099245111,2438cyclictest2674674-21kworker/0:2+events20:20:030
265480099245012,2434cyclictest2712050-21kworker/0:2+events22:21:160
265480899244912,2434cyclictest2759316-21kworker/2:0+events00:35:432
265480099244911,2434cyclictest2726991-21kworker/0:2+events22:54:340
265480099244812,2432cyclictest2721962-21kworker/0:2+events22:38:100
265480899244612,2431cyclictest2702547-21kworker/2:1+events21:36:462
265480399244612,2430cyclictest2683078-21kworker/1:2+events20:43:101
265480099244612,2431cyclictest2674674-21kworker/0:2+events20:15:280
265480099244612,2430cyclictest2683048-21kworker/0:2+events20:56:380
265480099244512,2429cyclictest2733325-21kworker/0:1+events23:44:100
265480099244512,2429cyclictest2683048-21kworker/0:2+events20:44:420
265480099244510,2431cyclictest2661188-21kworker/0:1+events19:43:500
265480099244412,2429cyclictest2745903-21kworker/0:2+events23:48:240
265480099244312,2428cyclictest2692841-21kworker/0:0+events21:11:100
265480399244210,2430cyclictest2734693-21kworker/1:2+events23:15:041
265480099244212,2428cyclictest2652967-21kworker/0:0+events19:21:150
265480099244211,2427cyclictest2733325-21kworker/0:1+events23:29:480
265480099244112,2426cyclictest2705714-21kworker/0:0+events22:07:320
265480099244112,2426cyclictest2661188-21kworker/0:1+events19:34:590
265480399244012,2425cyclictest2729810-21kworker/1:1+events22:58:211
265480099244012,2425cyclictest2687987-21kworker/0:0+events20:50:510
265480099244012,2424cyclictest2683048-21kworker/0:2+events21:03:070
26548139924389,2425cyclictest2707374-21kworker/3:1+events22:23:333
265480099243812,2422cyclictest2712050-21kworker/0:2+events22:14:470
26548009924359,2423cyclictest2669201-21kworker/0:0+events19:51:250
265480899243312,2418cyclictest2739663-21kworker/2:1+events23:45:192
26548139924299,2416cyclictest2670927-21kworker/3:0+events20:01:043
265481399242912,2413cyclictest2676443-21kworker/3:2+events20:14:423
265481399242812,2412cyclictest2747470-21kworker/3:2+events00:02:173
265480099242812,2413cyclictest2700815-21kworker/0:1+events21:34:290
265480099242712,2412cyclictest2724833-21kworker/0:0+events22:58:440
265481399242312,2407cyclictest2678391-21kworker/3:0+events20:24:173
265481399242111,2407cyclictest2691472-21kworker/3:2+events21:43:353
265480099242112,2406cyclictest2663057-21kworker/0:2+events19:37:410
265480899241712,2401cyclictest2752723-21kworker/2:2+events00:27:292
265480399241212,2397cyclictest2687412-21kworker/1:1+events21:11:561
265481399240911,2394cyclictest2717031-21kworker/3:0+events22:18:593
265480399240112,2387cyclictest2648033-21kworker/1:2+events19:25:021
265481399239910,2386cyclictest2691472-21kworker/3:2+events21:13:503
26548139923975,2388cyclictest2686142-21kworker/3:2+events20:52:243
265481399239610,2383cyclictest2691472-21kworker/3:2+events21:38:423
265480399239612,2381cyclictest2648033-21kworker/1:2+events19:19:201
265480399239411,2379cyclictest2734693-21kworker/1:2+events23:20:241
265480399239312,2377cyclictest2667745-21kworker/1:0+events19:50:191
265480399239212,2376cyclictest2756088-21kworker/1:0+events00:27:511
265481399238711,2372cyclictest2672848-21kworker/3:1+events20:18:543
265481399238612,2371cyclictest2747470-21kworker/3:2+events23:51:183
265481399238312,2368cyclictest2662969-21kworker/3:0+events19:37:183
265480399237910,2366cyclictest2702486-21kworker/1:2+events21:57:411
265481399237610,2364cyclictest2723219-21kworker/3:1+events22:45:023
265481399237511,2360cyclictest2705685-21kworker/3:0+events21:50:263
265480399236110,2347cyclictest2739868-21kworker/1:2+events23:30:551
265480399235812,2343cyclictest2697439-21kworker/1:0+events21:17:381
265480899235412,2339cyclictest2667628-21kworker/2:1+events19:49:542
265481399235111,2338cyclictest2757631-21kworker/3:1+events00:30:083
265481399234712,2332cyclictest2755995-21kworker/3:2+events00:29:233
265480399234012,2325cyclictest2672633-21kworker/1:1+events20:27:451
265480399232912,2314cyclictest2702486-21kworker/1:2+events21:44:211
265480399232712,2312cyclictest2699839-21kworker/1:1+events21:29:061
265481399232512,2310cyclictest2705685-21kworker/3:0+events21:56:573
265480399232512,2310cyclictest2672633-21kworker/1:1+events20:22:231
265481399232411,2310cyclictest2733116-21kworker/3:1+events23:27:553
265481399232411,2309cyclictest2684495-21kworker/3:1+events20:38:163
265481399232312,2307cyclictest2666266-21kworker/3:2+events19:49:093
265480899232112,2306cyclictest2752723-21kworker/2:2+events00:24:012
265481399232011,2306cyclictest2742984-21kworker/3:2+events23:39:423
265480099231810,2308cyclictest2733325-21kworker/0:1+events23:20:470
26548139923179,2304cyclictest2749418-21kworker/3:0+events23:58:073
265481399231612,2301cyclictest2754238-21kworker/3:0+events00:14:273
265481399231611,2302cyclictest2715335-21kworker/3:2+events22:13:153
265480399231612,2300cyclictest2723648-21kworker/1:1+events22:49:341
265481399231512,2299cyclictest2689503-21kworker/3:0+events21:04:143
265480399231512,2299cyclictest2711905-21kworker/1:0+events22:10:131
265481399231412,2299cyclictest2754238-21kworker/3:0+events00:20:563
265481399231412,2298cyclictest2726930-21kworker/3:2+events23:02:083
265480399231410,2300cyclictest2736594-21kworker/1:1+events23:29:271
265481399231312,2298cyclictest2666266-21kworker/3:2+events19:52:333
265481399231211,2297cyclictest2737017-21kworker/3:0+events23:21:553
265481399231012,2295cyclictest2751332-21kworker/3:3+events00:09:513
265481399231012,2295cyclictest2723219-21kworker/3:1+events22:43:313
265481399231012,2295cyclictest2694235-21kworker/3:1+events21:06:343
26548139923099,2296cyclictest2664575-21kworker/3:1+events19:41:543
265480399230812,2293cyclictest2741497-21kworker/1:0+events23:41:551
265481399230710,2294cyclictest2680018-21kworker/3:2+events20:28:083
265480399230711,2293cyclictest2729810-21kworker/1:1+events23:11:131
265481399230611,2291cyclictest2741288-21kworker/3:0+events23:33:123
265480399230612,2291cyclictest2721723-21kworker/1:0+events22:39:201
265480399230611,2292cyclictest2720110-21kworker/1:1+events22:28:571
265481399230512,2289cyclictest2734752-21kworker/3:2+events23:13:553
265481399230412,2289cyclictest2684495-21kworker/3:1+events20:40:113
265480399230212,2287cyclictest2705860-21kworker/1:1+events21:46:151
265480399230212,2287cyclictest2705860-21kworker/1:1+events21:46:141
265480399230211,2288cyclictest2687412-21kworker/1:1+events20:58:071
265480899229311,2278cyclictest2721930-21kworker/2:0+events22:48:502
265480399229010,2278cyclictest2681475-21kworker/1:0+events20:30:451
265480399228710,2274cyclictest2741497-21kworker/1:0+events23:48:451
26548139922760,2273cyclictest2755995-21kworker/3:2+events00:38:033
265480899227612,2261cyclictest2757542-21kworker/2:1+events00:33:072
265481399227511,2260cyclictest2707374-21kworker/3:1+events22:05:133
265480399227511,2261cyclictest2699839-21kworker/1:1+events21:31:471
265480399227511,2260cyclictest2672633-21kworker/1:1+events20:09:501
265481399227410,2260cyclictest2678391-21kworker/3:0+events20:31:553
265480399227411,2260cyclictest2667745-21kworker/1:0+events19:58:231
265480399227411,2259cyclictest2648033-21kworker/1:2+events19:47:141
26548009922749,2261cyclictest2652967-21kworker/0:0+events19:27:390
265480899227110,2258cyclictest2710308-21kworker/2:0+events21:58:272
265481399226811,2253cyclictest2733116-21kworker/3:1+events23:15:513
265481399226610,2253cyclictest2672848-21kworker/3:1+events20:06:003
265480899226610,2252cyclictest2692990-21kworker/2:0+events21:16:512
265480399226510,2252cyclictest2674479-21kworker/1:2+events20:13:581
265480899226410,2251cyclictest2672817-21kworker/2:0+events20:11:212
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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