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2025-12-18 - 21:01

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 Dec 18, 2025 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
250861999281414,2796cyclictest2598499-21kworker/3:0+events00:05:173
250861399280413,2787cyclictest2582225-21kworker/1:2+events23:15:151
250861799280112,2785cyclictest2537292-21kworker/2:1+events20:50:142
250861399277612,2759cyclictest2554827-21kworker/1:2+events21:45:161
250861799277313,2755cyclictest2546986-21kworker/2:2+events21:10:202
250861999270712,2690cyclictest2546869-21kworker/3:2+events21:20:133
250861999270712,2690cyclictest2546869-21kworker/3:2+events21:20:123
250861399257012,2555cyclictest2601766-21kworker/1:0+events00:10:161
250861999255312,2537cyclictest2590375-21kworker/3:1+events23:25:283
250861999249212,2477cyclictest2598499-21kworker/3:0+events00:35:393
250861399248612,2470cyclictest2561347-21kworker/1:0+events22:03:181
250861399246612,2452cyclictest2531015-21kworker/1:2+events20:20:161
250861999243910,2424cyclictest2576013-21kworker/3:1+events22:45:133
250861999243211,2418cyclictest2532613-21kworker/3:0+events20:22:523
250861999243211,2416cyclictest2580632-21kworker/3:3+events00:00:193
250861399242212,2406cyclictest2554827-21kworker/1:2+events21:40:151
25086089924125,2403cyclictest2534439-21kworker/0:1+events20:45:200
250860899240512,2391cyclictest2580891-21kworker/0:2+events22:55:010
250860899239612,2381cyclictest2564916-21kworker/0:2+events22:17:070
250861999239410,2382cyclictest2566462-21kworker/3:0+events22:10:393
250861799238911,2375cyclictest2606841-21kworker/2:1+events00:25:182
250861399237812,2363cyclictest2567982-21kworker/1:1+events22:15:161
250860899237811,2364cyclictest2563210-21kworker/0:1+events22:10:160
25086179923408,2326cyclictest2553444-21kworker/2:0+events21:44:052
250861999233611,2322cyclictest2551814-21kworker/3:0+events21:49:193
250860899233512,2319cyclictest2590345-21kworker/0:1+events00:30:140
25086199923150,2312cyclictest2509911-21kworker/3:1+events19:33:333
250861999230911,2294cyclictest2598499-21kworker/3:0+events23:59:123
250861399230810,2295cyclictest2548977-21kworker/1:2+events21:16:061
250861799230610,2292cyclictest2540495-21kworker/2:0+events20:55:132
25086089923069,2294cyclictest2577555-21kworker/0:0+events22:46:190
250861999230510,2292cyclictest2515128-21kworker/3:2+events19:40:263
250861399230511,2291cyclictest2548977-21kworker/1:2+events21:24:441
250861399230511,2291cyclictest2548977-21kworker/1:2+events21:24:441
250861999230317,2283cyclictest2545265-21kworker/3:0+events21:03:313
250861399230211,2288cyclictest2609958-21kworker/1:1+events00:34:511
250861999230111,2287cyclictest2515128-21kworker/3:2+events19:37:483
250861999229911,2285cyclictest2580632-21kworker/3:3+events22:52:233
250861399229910,2286cyclictest2515040-21kworker/1:1+events19:37:251
250861399229811,2284cyclictest2518491-21kworker/1:2+events19:59:471
250861999229511,2280cyclictest2588627-21kworker/3:0+events23:18:133
25086199922919,2279cyclictest2580632-21kworker/3:3+events23:38:523
25086199922919,2279cyclictest2526422-21kworker/3:2+events20:26:593
250861399228910,2276cyclictest2535982-21kworker/1:2+events20:35:181
250861399228711,2273cyclictest2595186-21kworker/1:2+events23:37:191
250861999227910,2266cyclictest2535864-21kworker/3:0+events20:38:473
250861399227510,2261cyclictest2534263-21kworker/1:1+events20:41:511
250861399227310,2259cyclictest2569617-21kworker/1:0+events22:24:401
250861799227110,2258cyclictest2584218-21kworker/2:1+events23:11:002
250861399227011,2256cyclictest2600074-21kworker/1:1+events23:59:341
250861399227011,2256cyclictest2551637-21kworker/1:0+events21:25:511
250861399226610,2252cyclictest2567982-21kworker/1:1+events22:27:461
250861399226610,2252cyclictest2529418-21kworker/1:1+events20:16:281
25086199922635,2255cyclictest2568220-21kworker/3:1+events22:15:593
250861399226311,2248cyclictest2600074-21kworker/1:1+events23:54:401
250861399226210,2249cyclictest2547106-21kworker/1:0+events21:11:051
250861399225711,2243cyclictest2543848-21kworker/1:1+events20:59:431
25086139922509,2238cyclictest2582225-21kworker/1:2+events23:09:521
250861399224510,2231cyclictest2518491-21kworker/1:2+events19:43:491
250861399224411,2230cyclictest2609958-21kworker/1:1+events00:37:321
25086089922404,2233cyclictest2608561-21kworker/0:0+events00:24:330
250860899223911,2225cyclictest2611263-21kworker/0:2+events00:38:200
250860899223911,2225cyclictest2560068-21kworker/0:0+events21:53:270
25086089922389,2226cyclictest2601528-21kworker/0:2+events23:58:050
250860899223611,2222cyclictest2564916-21kworker/0:2+events22:37:160
250860899223611,2221cyclictest2574321-21kworker/0:0+events22:33:470
25086089922353,2229cyclictest2521592-21kworker/0:0+events19:53:160
250860899223511,2221cyclictest2534439-21kworker/0:1+events20:34:550
250860899223510,2223cyclictest2596725-21kworker/0:0+events23:45:490
250860899223211,2218cyclictest2611263-21kworker/0:2+events00:26:510
250861999222311,2209cyclictest2580632-21kworker/3:3+events23:48:093
250861999222311,2208cyclictest2563163-21kworker/3:0+events21:58:483
250861399222110,2208cyclictest2551637-21kworker/1:0+events21:34:161
250860899221810,2205cyclictest2580891-21kworker/0:2+events23:10:130
250861999221710,2204cyclictest2598499-21kworker/3:0+events00:16:033
250861999221610,2203cyclictest2580632-21kworker/3:3+events23:23:553
25086089922159,2203cyclictest2575929-21kworker/0:1+events22:52:010
25086089922149,2201cyclictest2577555-21kworker/0:0+events22:43:190
25086089922137,2203cyclictest2512313-21kworker/0:0+events19:32:220
250860899221111,2197cyclictest2524971-21kworker/0:1+events20:12:190
250861399220210,2189cyclictest2561347-21kworker/1:0+events22:11:011
250861999220010,2187cyclictest2551814-21kworker/3:0+events21:30:253
250861799219712,2181cyclictest2534739-21kworker/2:0+events20:34:322
250861799219711,2183cyclictest2599957-21kworker/2:0+events00:18:212
250861799219711,2182cyclictest2558415-21kworker/2:1+events21:46:212
250861799219511,2181cyclictest2591831-21kworker/2:2+events23:33:302
250861799219511,2181cyclictest2588553-21kworker/2:0+events23:16:412
250861799219411,2180cyclictest2545382-21kworker/2:0+events21:17:562
250861799219410,2181cyclictest2598349-21kworker/2:1+events23:51:362
250861799219110,2177cyclictest2580801-21kworker/2:0+events23:09:082
250861799219011,2176cyclictest2591831-21kworker/2:2+events23:29:402
25086179921878,2176cyclictest2574381-21kworker/2:0+events22:33:242
250860899218711,2173cyclictest2580891-21kworker/0:2+events23:23:330
250861799218111,2167cyclictest2609748-21kworker/2:2+events00:22:382
250861799217610,2163cyclictest2571299-21kworker/2:1+events22:28:082
25086089921735,2165cyclictest2531135-21kworker/0:0+events20:23:380
25086139921683,2162cyclictest2567982-21kworker/1:1+events22:44:051
25086179921669,2154cyclictest2561462-21kworker/2:2+events22:04:272
25086179921668,2155cyclictest2565036-21kworker/2:0+events22:05:132
250861999216410,2151cyclictest2561314-21kworker/3:1+events22:04:523
25086139921638,2152cyclictest2543848-21kworker/1:1+events21:06:111
250861999216110,2147cyclictest2580632-21kworker/3:3+events23:41:103
250861799215811,2144cyclictest2571299-21kworker/2:1+events22:56:332
250861399215810,2145cyclictest2561347-21kworker/1:0+events22:08:421
250860899215710,2144cyclictest2514660-21kworker/0:1+events19:29:200
25086179921549,2143cyclictest2542101-21kworker/2:2+events21:00:062
250861999214310,2130cyclictest2545265-21kworker/3:0+events21:05:263
250861999212511,2111cyclictest2582315-21kworker/3:0+events23:02:113
25086139921237,2113cyclictest2534263-21kworker/1:1+events20:49:281
250860899212311,2109cyclictest2563210-21kworker/0:1+events22:00:420
250861399212110,2108cyclictest2588779-21kworker/1:0+events23:22:481
250861399212110,2108cyclictest2521769-21kworker/1:0+events19:50:591
25086139921207,2110cyclictest2526075-21kworker/1:0+events20:01:411
250861999211910,2107cyclictest2526422-21kworker/3:2+events20:05:313
250861999211810,2105cyclictest2551814-21kworker/3:0+events21:39:073
250861999211810,2105cyclictest2534234-21kworker/3:1+events20:31:523
250861999211810,2105cyclictest2521620-21kworker/3:0+events19:58:413
250861999211810,2105cyclictest2512113-21kworker/3:0+events19:20:583
25086089921178,2106cyclictest2518340-21kworker/0:1+events19:41:570
25086199921148,2103cyclictest2598499-21kworker/3:0+events23:51:133
25086199921147,2104cyclictest2574411-21kworker/3:2+events22:36:283
25086199921138,2102cyclictest2574411-21kworker/3:2+events22:34:323
25086139921139,2101cyclictest2574499-21kworker/1:0+events22:34:571
250861399211310,2100cyclictest2587148-21kworker/1:1+events23:14:051
250861999211210,2099cyclictest2592095-21kworker/3:0+events23:32:443
250861399211210,2099cyclictest2601766-21kworker/1:0+events00:21:051
250861399211210,2099cyclictest2601766-21kworker/1:0+events00:18:441
25086089921127,2102cyclictest2596725-21kworker/0:0+events23:50:040
25086199921119,2099cyclictest2521620-21kworker/3:0+events19:48:453
25086199921118,2100cyclictest2535864-21kworker/3:0+events20:48:193
250861999211110,2098cyclictest2546869-21kworker/3:2+events21:12:383
25086139921119,2099cyclictest2534263-21kworker/1:1+events20:28:061
25086139921117,2102cyclictest2590434-21kworker/1:1+events23:30:031
250861399211110,2097cyclictest2601766-21kworker/1:0+events00:03:261
25086139921107,2100cyclictest2567982-21kworker/1:1+events22:47:271
25086199921098,2098cyclictest2528140-21kworker/3:0+events20:14:363
250861999210910,2096cyclictest2561314-21kworker/3:1+events21:53:053
25086139921099,2097cyclictest2551637-21kworker/1:0+events21:36:041
250861399210910,2095cyclictest2554827-21kworker/1:2+events21:56:091
25086139921088,2097cyclictest2579375-21kworker/1:0+events22:51:391
25086139921079,2095cyclictest2574499-21kworker/1:0+events22:38:441
25086139921067,2095cyclictest2526075-21kworker/1:0+events20:09:191
25086139921057,2095cyclictest2579375-21kworker/1:0+events23:01:041
25086089921058,2093cyclictest2553383-21kworker/0:0+events21:39:300
250861999210410,2091cyclictest2580632-21kworker/3:3+events22:57:183
250861999210310,2090cyclictest2598499-21kworker/3:0+events00:20:413
25086139921039,2092cyclictest2509820-21kworker/1:2+events19:25:071
25086139921039,2091cyclictest2609958-21kworker/1:1+events00:29:521
25086139921034,2096cyclictest2595186-21kworker/1:2+events23:41:341
250861399210310,2090cyclictest2509820-21kworker/1:2+events19:17:051
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250861999210010,2087cyclictest2535864-21kworker/3:0+events20:40:423
250861399210010,2087cyclictest2592039-21kworker/1:0+events23:45:261
250861999209610,2083cyclictest2530010-21kworker/3:1+events20:16:073
250861999209010,2077cyclictest2546869-21kworker/3:2+events21:16:293
25086089920879,2075cyclictest2532787-21kworker/0:2+events20:29:360
250861799208611,2072cyclictest2599957-21kworker/2:0+events00:13:432
25086139920849,2072cyclictest2554827-21kworker/1:2+events21:51:121
250861799208011,2066cyclictest2511867-21kworker/2:1+events19:33:562
25086139920774,2070cyclictest2515040-21kworker/1:1+events19:33:091
25086139920747,2064cyclictest2604722-21kworker/1:1+events00:09:311
25086089920749,2062cyclictest2524971-21kworker/0:1+events20:08:550
25086089920736,2064cyclictest2556849-21kworker/0:1+events21:44:530
25086139920708,2058cyclictest2582225-21kworker/1:2+events22:58:281
25086139920692,2064cyclictest2502057-21kworker/1:1+events19:21:431
250861399206910,2056cyclictest2526075-21kworker/1:0+events20:11:111
25086089920646,2055cyclictest2542068-21kworker/0:0+events21:05:500
250860899206410,2051cyclictest2590345-21kworker/0:1+events00:02:180
250861999206010,2047cyclictest2571122-21kworker/3:2+events22:22:483
25086199920599,2047cyclictest2576013-21kworker/3:1+events22:43:423
250861799205810,2045cyclictest2613051-21kworker/2:0+events00:36:232
250861799205710,2044cyclictest2609748-21kworker/2:2+events00:30:382
25086089920528,2040cyclictest2537704-21kworker/0:2+events20:44:320
250861399204810,2035cyclictest2534263-21kworker/1:1+events20:34:091
250860899204810,2035cyclictest2563210-21kworker/0:1+events22:05:370
25086199920479,2035cyclictest2535864-21kworker/3:0+events20:52:323
25086199920477,2037cyclictest2564802-21kworker/3:2+events22:09:053
25086089920478,2036cyclictest2580891-21kworker/0:2+events23:02:570
25086199920467,2036cyclictest2542040-21kworker/3:1+events20:55:573
25086199920462,2041cyclictest2572752-21kworker/3:0+events22:29:173
25086089920448,2033cyclictest2593583-21kworker/0:2+events23:35:470
25086089920438,2032cyclictest2572207-21kworker/0:1+events22:26:140
25086089920437,2033cyclictest2568132-21kworker/0:0+events22:22:010
250860899204310,2030cyclictest2560068-21kworker/0:0+events21:56:310
25086139920422,2037cyclictest2582225-21kworker/1:2+events23:26:361
25086089920427,2032cyclictest2542068-21kworker/0:0+events21:01:370
25086089920425,2034cyclictest2606568-21kworker/0:2+events00:19:320
250860899204210,2029cyclictest2542068-21kworker/0:0+events20:56:190
250860899204110,2028cyclictest2524971-21kworker/0:1+events20:00:560
250860899204110,2028cyclictest2490704-21kworker/0:1+events19:19:020
25086089920408,2029cyclictest2584180-21kworker/0:0+events23:09:290
250860899204010,2027cyclictest2548381-21kworker/0:2+events21:11:290
25086089920397,2029cyclictest2531135-21kworker/0:0+events20:19:530
25086089920389,2026cyclictest2550042-21kworker/0:0+events21:20:580
25086089920389,2026cyclictest2550042-21kworker/0:0+events21:20:580
25086089920388,2027cyclictest2580891-21kworker/0:2+events23:27:460
25086199920379,2025cyclictest2598499-21kworker/3:0+events00:14:053
25086139920374,2029cyclictest2542219-21kworker/1:0+events20:53:431
25086199920338,2023cyclictest2500158-21kworker/3:2+events19:18:153
25086199920319,2019cyclictest2509911-21kworker/3:1+events19:13:383
25086089920317,2021cyclictest2536042-21kworker/0:0+events20:36:520
25086199920309,2018cyclictest2521620-21kworker/3:0+events19:54:043
25086179920289,2017cyclictest2565036-21kworker/2:0+events22:20:082
250860899202810,2015cyclictest2510029-21kworker/0:2+events19:23:360
25086089920243,2018cyclictest2518340-21kworker/0:1+events19:47:140
250860899202210,2009cyclictest2553383-21kworker/0:0+events21:30:480
25086089920199,2006cyclictest2521592-21kworker/0:0+events19:56:000
250860899201911,2004cyclictest2591933-21kworker/0:0+events23:31:120
250861799201410,2001cyclictest2551785-21kworker/2:2+events21:24:232
250861799201410,2001cyclictest2551785-21kworker/2:2+events21:24:232
25086179920138,2001cyclictest2509732-21kworker/2:0+events19:14:242
25086179920129,2000cyclictest2523129-21kworker/2:0+events20:24:002
250861799201110,1997cyclictest2523129-21kworker/2:0+events20:19:092
250861799200910,1996cyclictest2569644-21kworker/2:2+events22:19:222
25086179920066,1997cyclictest2591831-21kworker/2:2+events23:42:422
25086179920058,1994cyclictest2520287-21kworker/2:1+events19:46:292
25086179920049,1992cyclictest2545382-21kworker/2:0+events21:08:072
25086179920048,1993cyclictest2550129-21kworker/2:1+events21:33:082
25086139920024,1995cyclictest2502057-21kworker/1:1+events19:14:011
25086179920012,1996cyclictest2591831-21kworker/2:2+events23:39:362
250861799200010,1986cyclictest2584218-21kworker/2:1+events23:21:152
250861799199910,1986cyclictest2599957-21kworker/2:0+events23:57:202
25086179919976,1988cyclictest2553444-21kworker/2:0+events21:52:432
25086179919973,1991cyclictest2532872-21kworker/2:2+events20:44:562
25086089919979,1985cyclictest2551756-21kworker/0:2+events21:28:560
250861799199610,1983cyclictest2532872-21kworker/2:2+events20:39:112
250861799199510,1982cyclictest2524735-21kworker/2:2+events19:59:012
25086089919948,1983cyclictest2545294-21kworker/0:1+events21:16:500
25086179919916,1982cyclictest2571299-21kworker/2:1+events22:47:042
25086199919907,1980cyclictest2546869-21kworker/3:2+events21:26:143
25086179919905,1982cyclictest2523129-21kworker/2:0+events20:12:442
25086179919866,1977cyclictest2520287-21kworker/2:1+events19:51:452
250861799198610,1972cyclictest2540495-21kworker/2:0+events20:47:122
25086179919856,1976cyclictest2518369-21kworker/2:2+events19:38:332
250861799198510,1972cyclictest2603331-21kworker/2:1+events00:05:412
250861799198410,1970cyclictest2571299-21kworker/2:1+events22:53:062
25086179919839,1971cyclictest2524735-21kworker/2:2+events20:01:172
250861799198310,1970cyclictest2582461-21kworker/2:2+events23:01:262
25086179919826,1973cyclictest2561462-21kworker/2:2+events21:55:242
250861799198210,1969cyclictest2511867-21kworker/2:1+events19:29:422
25086089919769,1964cyclictest2604841-21kworker/0:0+events00:09:070
25086199919759,1963cyclictest2523309-21kworker/3:1+events20:03:153
25086089919724,1965cyclictest2590345-21kworker/0:1+events23:40:470
25086089919723,1966cyclictest2588689-21kworker/0:0+events23:18:370
25086179919629,1950cyclictest2553444-21kworker/2:0+events21:38:452
25086089919617,1951cyclictest2506488-21kworker/0:0+events19:12:300
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25086179919514,1944cyclictest2601590-21kworker/2:2+events00:01:062
250861999194510,1932cyclictest2583997-21kworker/3:1+events23:06:043
25086199919434,1936cyclictest2583997-21kworker/3:1+events23:11:483
25086199919415,1933cyclictest2509911-21kworker/3:1+events19:28:573
25086179919417,1931cyclictest2591831-21kworker/2:2+events23:46:132
25086179919404,1932cyclictest2577401-21kworker/2:2+events22:42:112
25086179919367,1926cyclictest2565036-21kworker/2:0+events22:12:562
25086199919354,1928cyclictest2609899-21kworker/3:2+events00:27:353
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250861799193210,1919cyclictest2574381-21kworker/2:0+events22:37:382
25086179919319,1919cyclictest2550129-21kworker/2:1+events21:29:402
25086179919269,1914cyclictest2523129-21kworker/2:0+events20:07:242
25086179919102,1905cyclictest2511867-21kworker/2:1+events19:19:472
25086179918927,1882cyclictest2515188-21kworker/2:0+events19:41:102
25081862186156,25sleep20-21swapper/219:07:172
25082792149119,25sleep10-21swapper/119:08:271
25080672141106,30sleep30-21swapper/319:05:453
25082042140105,30sleep00-21swapper/019:07:300
250861799150,3cyclictest351-21systemd-journal20:26:322
250860899150,13cyclictest0-21swapper/021:47:190
2508619991410,2cyclictest2557370-21cat21:40:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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