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2026-04-01 - 16:54

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 Wed Apr 01, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
297236399339716,3376cyclictest3049844-21kworker/2:2+events23:25:002
297236399335216,3333cyclictest3046388-21kworker/2:1+events23:10:182
297236799308015,3060cyclictest3060625-21kworker/3:1+events23:45:173
297235799292914,2911cyclictest3026875-21kworker/0:2+events22:05:130
297235799287011,2854cyclictest2988282-21kworker/0:2+events20:00:160
297235799283811,2821cyclictest2975623-21kworker/0:2+events19:20:150
297235999282013,2802cyclictest3073799-21kworker/1:2+events00:35:121
297236799281210,2797cyclictest3026816-21kworker/3:1+events22:00:173
297236399281213,2796cyclictest3067381-21kworker/2:0+events00:30:162
297236399277713,2760cyclictest3032903-21kworker/2:0+events22:25:172
297236399276713,2750cyclictest3003000-21kworker/2:0+events21:00:212
297236399276713,2750cyclictest3003000-21kworker/2:0+events21:00:202
297236799275513,2739cyclictest3012728-21kworker/3:1+events21:35:173
297236799272412,2707cyclictest3057398-21kworker/3:2+events23:50:123
297235799271014,2692cyclictest2983361-21kworker/0:1+events19:55:200
297235799257112,2555cyclictest3014251-21kworker/0:1+events21:40:100
297235999255611,2541cyclictest3016111-21kworker/1:1+events21:44:241
297235999253812,2523cyclictest3041579-21kworker/1:2+events22:56:151
29723599925249,2511cyclictest3063830-21kworker/1:0+events00:04:221
297235799251512,2501cyclictest3012621-21kworker/0:2+events21:15:040
297235799251212,2497cyclictest3034649-21kworker/0:0+events22:23:220
297236399250611,2491cyclictest2991595-21kworker/2:1+events20:11:402
297235799250312,2488cyclictest3007686-21kworker/0:1+events21:04:540
297235799250312,2488cyclictest3007686-21kworker/0:1+events21:04:540
297236799249912,2483cyclictest3057398-21kworker/3:2+events23:55:323
29723679924959,2482cyclictest3026816-21kworker/3:1+events22:10:503
297236799246112,2446cyclictest2998501-21kworker/3:1+events20:35:163
297235999244912,2434cyclictest3041579-21kworker/1:2+events22:45:111
297235999244711,2432cyclictest3009398-21kworker/1:0+events21:05:401
297235999244612,2432cyclictest3007625-21kworker/1:2+events21:01:071
297235999244612,2432cyclictest3007625-21kworker/1:2+events21:01:071
297235999244612,2430cyclictest3065513-21kworker/1:3+events00:16:121
297236399244512,2430cyclictest3065316-21kworker/2:2+events00:09:412
297235999244512,2429cyclictest2985171-21kworker/1:2+events19:49:361
297236799244412,2430cyclictest3020359-21kworker/3:2+events21:40:323
297235999244412,2428cyclictest3036069-21kworker/1:1+events22:27:091
297235799244412,2428cyclictest3063874-21kworker/0:3+events00:28:210
297236399244312,2427cyclictest3003000-21kworker/2:0+events21:05:172
297235999244312,2428cyclictest3021954-21kworker/1:2+events21:51:371
297235999244311,2429cyclictest3055611-21kworker/1:2+events23:59:201
297235999244311,2429cyclictest3028165-21kworker/1:0+events22:01:031
297235999244211,2427cyclictest3067323-21kworker/1:1+events00:13:061
297236399244011,2427cyclictest3067381-21kworker/2:0+events00:15:022
297235999243912,2424cyclictest2988403-21kworker/1:0+events20:28:281
297235999243812,2422cyclictest3004070-21kworker/1:2+events20:49:401
297235999243611,2421cyclictest3055611-21kworker/1:2+events23:46:031
297235799243411,2420cyclictest3030765-21kworker/0:1+events22:13:560
297236399243312,2418cyclictest3029915-21kworker/2:1+events22:12:232
297236399243212,2416cyclictest3062045-21kworker/2:0+events23:48:152
297235999242812,2413cyclictest3036069-21kworker/1:1+events22:30:141
297235799242611,2412cyclictest2986657-21kworker/0:0+events20:20:550
297236799242512,2409cyclictest2993376-21kworker/3:0+events20:30:443
297236399242511,2412cyclictest2975567-21kworker/2:0+events19:30:102
297235999242512,2409cyclictest2973524-21kworker/1:0+events19:15:181
297236399242410,2410cyclictest2991595-21kworker/2:1+events20:31:052
297236399242312,2408cyclictest3036279-21kworker/2:2+events22:32:072
297236399242312,2407cyclictest3070660-21kworker/2:1+events00:26:512
297236399242312,2407cyclictest3028259-21kworker/2:2+events22:20:012
297236399242212,2408cyclictest2991595-21kworker/2:1+events20:45:072
297236399242212,2407cyclictest3055881-21kworker/2:0+events23:39:562
297236399242212,2407cyclictest3044723-21kworker/2:2+events22:57:212
297235799242212,2407cyclictest3014251-21kworker/0:1+events21:56:550
297236399242112,2405cyclictest3034532-21kworker/2:1+events22:48:112
297236399242011,2405cyclictest3029915-21kworker/2:1+events22:08:592
297236399241912,2404cyclictest2975567-21kworker/2:0+events19:43:292
297236399241911,2405cyclictest3018823-21kworker/2:2+events21:38:382
297235999241912,2403cyclictest3028165-21kworker/1:0+events22:08:381
297236399241712,2401cyclictest3063709-21kworker/2:1+events23:55:552
297236399241711,2402cyclictest3048110-21kworker/2:0+events23:07:382
297235799241712,2403cyclictest3039803-21kworker/0:2+events22:41:200
297235799241711,2402cyclictest2986657-21kworker/0:0+events20:18:170
297235799241611,2402cyclictest3063874-21kworker/0:3+events00:08:320
297235799241611,2402cyclictest3039803-21kworker/0:2+events22:37:090
297235799241111,2396cyclictest3014251-21kworker/0:1+events21:23:450
297236399241012,2395cyclictest3018823-21kworker/2:2+events21:45:562
297235799241010,2396cyclictest3054819-21kworker/0:1+events23:29:130
297235799240911,2395cyclictest3036366-21kworker/0:1+events22:31:210
297235799240811,2393cyclictest3014251-21kworker/0:1+events22:03:430
297236399240312,2387cyclictest3001315-21kworker/2:2+events20:39:272
297236399240112,2385cyclictest2986536-21kworker/2:1+events19:51:542
297236399239312,2377cyclictest3007777-21kworker/2:1+events20:59:562
297235999239110,2378cyclictest3000011-21kworker/1:0+events20:50:471
29723639923907,2379cyclictest2982061-21kworker/2:2+events20:06:442
297235799238912,2374cyclictest2990157-21kworker/0:1+events20:05:370
297236799238712,2372cyclictest3073983-21kworker/3:0+events00:31:023
297236799238711,2372cyclictest3039773-21kworker/3:0+events22:42:533
297235799237810,2364cyclictest3020417-21kworker/0:0+events21:39:260
297235999237712,2362cyclictest3031774-21kworker/1:2+events22:15:261
297235999237711,2362cyclictest2998382-21kworker/1:1+events20:32:141
297235799237712,2362cyclictest2977254-21kworker/0:1+events19:25:350
29723579923669,2354cyclictest3062018-21kworker/0:0+events23:47:510
297236799236512,2350cyclictest3057398-21kworker/3:2+events23:38:493
297236799236512,2349cyclictest3004446-21kworker/3:1+events20:48:573
297236799236312,2348cyclictest3044753-21kworker/3:1+events22:54:193
297236799236211,2348cyclictest3067565-21kworker/3:2+events00:27:133
297236799236110,2348cyclictest3044753-21kworker/3:1+events23:00:263
297235799235012,2334cyclictest3041486-21kworker/0:0+events23:12:080
297236799234712,2333cyclictest3066907-21kworker/3:0+events00:05:063
297236399234610,2333cyclictest3052569-21kworker/2:0+events23:19:212
29723579923449,2332cyclictest3049433-21kworker/0:2+events23:17:270
29723679923428,2330cyclictest3034767-21kworker/3:2+events22:36:013
297236799234012,2325cyclictest3007658-21kworker/3:1+events21:02:153
297236799234012,2325cyclictest3007658-21kworker/3:1+events21:02:153
297236799234012,2324cyclictest3054071-21kworker/3:1+events23:32:393
297236799234011,2326cyclictest3034767-21kworker/3:2+events22:30:353
297236799233912,2324cyclictest3012728-21kworker/3:1+events21:28:463
297236799233812,2323cyclictest3031484-21kworker/3:0+events22:28:413
297236799233812,2322cyclictest3015517-21kworker/3:2+events21:23:213
297236799233712,2321cyclictest3050820-21kworker/3:2+events23:14:463
297236799233612,2321cyclictest3022075-21kworker/3:1+events21:47:043
297236799233512,2321cyclictest3048007-21kworker/3:0+events23:20:043
297236399232511,2310cyclictest3026578-21kworker/2:0+events21:57:182
297236799232010,2307cyclictest3033148-21kworker/3:1+events22:21:313
297235799230911,2295cyclictest3001526-21kworker/0:0+events20:46:380
297236799230712,2292cyclictest2993376-21kworker/3:0+events20:27:223
297235999230711,2292cyclictest2988403-21kworker/1:0+events20:13:141
297235799230410,2290cyclictest3052717-21kworker/0:0+events23:34:590
29723579923038,2292cyclictest3063874-21kworker/0:3+events00:22:180
297235999229910,2286cyclictest3070564-21kworker/1:0+events00:21:561
297236799229811,2284cyclictest3065046-21kworker/3:1+events00:13:303
297235999229610,2283cyclictest2985171-21kworker/1:2+events19:56:071
297236799226711,2252cyclictest2977132-21kworker/3:2+events19:23:193
297236799226710,2254cyclictest3039773-21kworker/3:0+events22:48:343
297236799226312,2247cyclictest2991773-21kworker/3:1+events20:14:243
297236399225911,2245cyclictest2991595-21kworker/2:1+events20:42:312
29723639922589,2245cyclictest3044723-21kworker/2:2+events23:04:132
29723579922579,2244cyclictest3067536-21kworker/0:1+events00:12:000
297235999225110,2238cyclictest2988403-21kworker/1:0+events20:23:341
297235999224610,2233cyclictest3055611-21kworker/1:2+events23:36:541
297235999224610,2233cyclictest3006018-21kworker/1:1+events21:12:491
297236399224511,2231cyclictest3003000-21kworker/2:0+events20:53:542
297236799224410,2231cyclictest3007658-21kworker/3:1+events21:06:253
29723599922437,2233cyclictest3021954-21kworker/1:2+events21:57:411
297235999224312,2229cyclictest3043270-21kworker/1:0+events23:00:031
297235999224310,2230cyclictest3057219-21kworker/1:1+events23:32:171
297235999223911,2225cyclictest3014191-21kworker/1:0+events21:39:011
297235999223911,2225cyclictest2978899-21kworker/1:0+events19:33:361
297235999223811,2223cyclictest3047799-21kworker/1:1+events23:07:161
297235999223711,2223cyclictest2988403-21kworker/1:0+events20:01:021
297235999223710,2224cyclictest3062167-21kworker/1:1+events23:51:191
297235999223710,2224cyclictest2975684-21kworker/1:1+events19:42:201
297235999223611,2221cyclictest3058827-21kworker/1:0+events23:44:061
297236399223411,2220cyclictest3067381-21kworker/2:0+events00:12:452
297235999223411,2221cyclictest2975684-21kworker/1:1+events19:51:331
297235999223410,2221cyclictest2975684-21kworker/1:1+events19:29:241
297235999223210,2218cyclictest3000011-21kworker/1:0+events20:43:401
29723579922329,2220cyclictest2998178-21kworker/0:1+events20:43:150
29723639922316,2221cyclictest3054246-21kworker/2:1+events23:25:472
29723599922319,2218cyclictest3028165-21kworker/1:0+events22:13:101
297235999223011,2217cyclictest3037996-21kworker/1:0+events22:36:451
297236399222911,2215cyclictest3055881-21kworker/2:0+events23:33:252
297236399222910,2216cyclictest3018823-21kworker/2:2+events21:44:002
297236399222811,2214cyclictest2988137-21kworker/2:0+events19:57:132
297236399222811,2214cyclictest2975567-21kworker/2:0+events19:45:232
29723579922288,2216cyclictest2975623-21kworker/0:2+events19:38:090
297236399222711,2213cyclictest3067381-21kworker/2:0+events00:38:182
297236399222711,2213cyclictest3011025-21kworker/2:2+events21:16:342
297236399222711,2213cyclictest2991595-21kworker/2:1+events20:27:442
297236399222710,2213cyclictest3034532-21kworker/2:1+events22:51:382
297235999222711,2213cyclictest3000011-21kworker/1:0+events20:36:021
297235999222710,2213cyclictest2981793-21kworker/1:2+events19:37:461
29723639922269,2214cyclictest3015550-21kworker/2:0+events21:31:032
297236399222610,2213cyclictest3038207-21kworker/2:0+events22:39:062
297235999222611,2212cyclictest3016111-21kworker/1:1+events21:30:161
297235799222511,2211cyclictest3054819-21kworker/0:1+events23:40:430
297235799222511,2211cyclictest3004510-21kworker/0:2+events20:51:570
297235799222511,2210cyclictest3017088-21kworker/0:2+events21:26:050
297235799222510,2211cyclictest3009340-21kworker/0:2+events21:07:300
297236399222411,2210cyclictest3060389-21kworker/2:2+events23:52:072
297236399222411,2210cyclictest3040202-21kworker/2:2+events22:44:242
297235799222411,2210cyclictest3025244-21kworker/0:0+events21:54:380
297235799222411,2209cyclictest3063874-21kworker/0:3+events23:58:350
297235799222411,2209cyclictest3063874-21kworker/0:3+events00:19:390
297235799222411,2209cyclictest3041486-21kworker/0:0+events22:47:500
297236399222311,2208cyclictest3017150-21kworker/2:1+events21:27:152
297236399222311,2208cyclictest2980455-21kworker/2:1+events19:37:242
297235999222310,2210cyclictest3016111-21kworker/1:1+events21:46:191
297235799222311,2208cyclictest2975623-21kworker/0:2+events19:40:500
297235799222211,2208cyclictest3007686-21kworker/0:1+events21:13:330
297235999222110,2208cyclictest3014191-21kworker/1:0+events21:25:181
29723579922218,2209cyclictest3049433-21kworker/0:2+events23:08:490
297235799222111,2207cyclictest3063874-21kworker/0:3+events00:31:260
297235799222111,2206cyclictest3062018-21kworker/0:0+events23:51:440
297235799222110,2207cyclictest3041486-21kworker/0:0+events23:00:500
297236399222011,2206cyclictest2975567-21kworker/2:0+events19:27:522
29723599922208,2208cyclictest3050910-21kworker/1:0+events23:26:091
297235999222010,2207cyclictest3052658-21kworker/1:1+events23:20:251
297235799222011,2206cyclictest3014251-21kworker/0:1+events21:48:590
297235999221810,2205cyclictest3067323-21kworker/1:1+events00:31:491
297235999221711,2203cyclictest3065513-21kworker/1:3+events00:05:501
297235999221710,2203cyclictest2994843-21kworker/1:1+events20:19:481
29723679922167,2205cyclictest3009309-21kworker/3:2+events21:11:413
29723599922169,2204cyclictest3050910-21kworker/1:0+events23:12:551
297235799221611,2202cyclictest2999923-21kworker/0:2+events20:34:300
297235799221610,2203cyclictest3032965-21kworker/0:2+events22:17:430
29723599922148,2203cyclictest3014191-21kworker/1:0+events21:20:201
29723639922139,2200cyclictest3034532-21kworker/2:1+events22:21:512
297235999221311,2200cyclictest3041579-21kworker/1:2+events22:50:071
297235999221311,2199cyclictest3006018-21kworker/1:1+events20:56:101
29723579922139,2200cyclictest3044691-21kworker/0:1+events22:59:160
297235799221310,2200cyclictest2977254-21kworker/0:1+events19:30:320
297236399221112,2196cyclictest3057546-21kworker/2:1+events23:42:582
297236399221014,2193cyclictest3070660-21kworker/2:1+events00:20:472
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29723639922009,2188cyclictest3011025-21kworker/2:2+events21:24:552
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297236799219310,2180cyclictest3012728-21kworker/3:1+events21:31:503
297236399219210,2179cyclictest3026578-21kworker/2:0+events22:04:492
29723579921884,2181cyclictest3034649-21kworker/0:0+events22:29:270
297235799218810,2175cyclictest2986657-21kworker/0:0+events20:26:370
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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