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2026-09-05 - 09:03

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 Sat Sep 05, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
193340199338612,3370cyclictest1950860-21kworker/2:1+events20:05:002
193339699336914,3352cyclictest1958960-21kworker/1:2+events20:30:011
193339399292814,2911cyclictest1975429-21kworker/0:1+events21:35:130
193339699289614,2878cyclictest2019723-21kworker/1:2+events23:55:001
193339399287414,2855cyclictest2026247-21kworker/0:0+events00:05:120
193339399287414,2855cyclictest2026247-21kworker/0:0+events00:05:120
193340199283013,2815cyclictest1962109-21kworker/2:2+events20:40:012
193339699279011,2774cyclictest1943439-21kworker/1:1+events19:55:111
193340699278913,2772cyclictest2013537-21kworker/3:2+events23:25:173
193340199275713,2740cyclictest1936829-21kworker/2:1+events19:25:192
193340199275513,2738cyclictest2022892-21kworker/2:0+events23:47:432
193340199275213,2735cyclictest1994547-21kworker/2:0+events22:40:002
193340699275113,2733cyclictest2003842-21kworker/3:0+events23:05:183
193340699272613,2709cyclictest1957499-21kworker/3:3+events20:32:433
193340199272513,2706cyclictest2031013-21kworker/2:2+events00:30:172
193340699272413,2707cyclictest2007106-21kworker/3:1+events23:02:343
193340199271811,2703cyclictest2004101-21kworker/2:2+events22:57:402
193340699271313,2696cyclictest1955680-21kworker/3:2+events20:28:303
193340699271111,2696cyclictest1938241-21kworker/3:1+events19:41:493
193340199270213,2686cyclictest2008719-21kworker/2:1+events23:03:442
193340199270213,2685cyclictest1971884-21kworker/2:0+events21:18:282
193340699268613,2669cyclictest2003842-21kworker/3:0+events23:13:593
193339699268113,2664cyclictest1979881-21kworker/1:1+events21:40:111
193340199267813,2661cyclictest1952463-21kworker/2:2+events20:24:192
193339399267513,2658cyclictest2004133-21kworker/0:0+events23:02:130
193340199266712,2653cyclictest2016548-21kworker/2:2+events23:35:102
193339699265811,2643cyclictest1978215-21kworker/1:0+events21:30:191
193340699265513,2638cyclictest1952422-21kworker/3:2+events20:09:153
193339699265411,2639cyclictest1986442-21kworker/1:2+events21:57:181
193339699264913,2632cyclictest1986442-21kworker/1:2+events22:03:261
193339399264412,2628cyclictest2004133-21kworker/0:0+events23:30:120
193339399263512,2619cyclictest1978281-21kworker/0:2+events21:29:560
193340699263312,2618cyclictest1978252-21kworker/3:2+events21:40:343
193340199262512,2611cyclictest1994547-21kworker/2:0+events22:47:192
193339399260412,2588cyclictest1995936-21kworker/0:2+events22:35:000
193339399259413,2577cyclictest2004133-21kworker/0:0+events23:13:140
193340699258513,2568cyclictest1983149-21kworker/3:1+events22:05:193
193339399258513,2568cyclictest1975429-21kworker/0:1+events21:31:040
19333939925799,2566cyclictest1963702-21kworker/0:1+events21:02:400
193340199257112,2555cyclictest1936829-21kworker/2:1+events19:21:092
193339699256011,2545cyclictest1964022-21kworker/1:0+events21:15:491
19334069925589,2545cyclictest2029856-21kworker/3:2+events00:26:553
193339399255613,2539cyclictest1995936-21kworker/0:2+events22:43:270
193339399255212,2536cyclictest1958236-21kworker/0:0+events20:30:480
193339699252413,2507cyclictest2018123-21kworker/1:0+events23:32:301
19333939925147,2503cyclictest1947729-21kworker/0:2+events19:53:180
193340699250512,2489cyclictest2021289-21kworker/3:0+events23:55:223
193339399250312,2487cyclictest1990897-21kworker/0:2+events22:10:120
193340699250212,2487cyclictest1946344-21kworker/3:2+events19:51:233
193340699250113,2486cyclictest1983149-21kworker/3:1+events22:00:453
193340699249911,2484cyclictest1938241-21kworker/3:1+events19:30:183
193340199249711,2483cyclictest2014918-21kworker/2:1+events23:21:512
193340199249511,2480cyclictest1959963-21kworker/2:0+events20:33:302
193340699249411,2479cyclictest1992767-21kworker/3:1+events22:17:053
193340199249412,2479cyclictest1983221-21kworker/2:2+events22:03:502
193339399249412,2478cyclictest2023009-21kworker/0:2+events00:32:560
193340699249112,2475cyclictest2015482-21kworker/3:0+events23:34:263
193340699249012,2474cyclictest2005510-21kworker/3:2+events22:53:483
193340699249012,2474cyclictest1986352-21kworker/3:0+events21:59:583
193340199248912,2473cyclictest2021255-21kworker/2:1+events23:43:582
193339399248911,2474cyclictest1965556-21kworker/0:0+events20:50:260
193340699248712,2471cyclictest2000630-21kworker/3:0+events22:37:413
19334069924869,2473cyclictest1944740-21kworker/3:0+events19:47:343
193340699248511,2471cyclictest2019632-21kworker/3:2+events23:39:433
193339399248510,2471cyclictest1931295-21kworker/0:0+events19:27:160
19334069924848,2473cyclictest1938241-21kworker/3:1+events19:35:433
193340199248312,2468cyclictest2014918-21kworker/2:1+events23:26:492
193340199248312,2467cyclictest2037425-21kworker/2:0+events00:39:022
193340699248212,2466cyclictest2027826-21kworker/3:1+events00:09:413
193340699248212,2466cyclictest2027826-21kworker/3:1+events00:09:403
193340699248212,2466cyclictest1976623-21kworker/3:0+events21:22:193
19334019924825,2473cyclictest1992619-21kworker/2:1+events22:23:152
193340199248212,2466cyclictest1981603-21kworker/2:1+events21:44:182
193340199248211,2467cyclictest2012036-21kworker/2:2+events23:16:132
19334019924817,2470cyclictest2029268-21kworker/2:1+events00:10:502
193340199248112,2466cyclictest1994547-21kworker/2:0+events22:43:512
193340199248012,2464cyclictest2031013-21kworker/2:2+events00:23:052
193340699247912,2464cyclictest1955680-21kworker/3:2+events20:19:303
193340699247912,2463cyclictest1946344-21kworker/3:2+events19:57:253
193339399247811,2464cyclictest2004133-21kworker/0:0+events23:08:420
19334069924758,2463cyclictest2003842-21kworker/3:0+events22:48:533
19334019924744,2466cyclictest1990989-21kworker/2:0+events22:12:072
193340199247412,2459cyclictest2014918-21kworker/2:1+events23:30:582
193340199247311,2458cyclictest2026122-21kworker/2:0+events00:02:362
193340199247210,2458cyclictest1976617-21kworker/2:2+events21:24:142
19334019924714,2464cyclictest1971884-21kworker/2:0+events21:08:172
193339699247112,2456cyclictest1962405-21kworker/1:1+events20:40:231
193340699246912,2452cyclictest2002256-21kworker/3:1+events22:42:403
19333969924687,2457cyclictest1990850-21kworker/1:1+events22:20:551
193339699246712,2451cyclictest1972034-21kworker/1:2+events21:10:321
193339699246612,2451cyclictest2019723-21kworker/1:2+events23:46:381
193340699246212,2446cyclictest1986352-21kworker/3:0+events21:53:553
193340199246211,2447cyclictest1997450-21kworker/2:2+events22:29:222
193340199245712,2442cyclictest1946183-21kworker/2:0+events19:48:402
193340699245612,2440cyclictest2021289-21kworker/3:0+events23:52:433
193339399245112,2436cyclictest1978281-21kworker/0:2+events21:46:350
193339399244912,2433cyclictest1952645-21kworker/0:1+events20:16:050
193340199244712,2431cyclictest1983221-21kworker/2:2+events22:16:182
193340199244711,2432cyclictest2010442-21kworker/2:0+events23:11:452
193340199244711,2432cyclictest1938687-21kworker/2:2+events19:34:102
19333969924478,2435cyclictest2008811-21kworker/1:1+events23:26:041
193339699244511,2430cyclictest1983133-21kworker/1:0+events21:48:541
193339699244510,2431cyclictest2003798-21kworker/1:1+events22:52:411
193339399244512,2429cyclictest1968751-21kworker/0:0+events21:13:100
193340699243912,2423cyclictest1934621-21kworker/3:2+events19:21:323
19334019924388,2427cyclictest1981603-21kworker/2:1+events21:49:162
193340199243812,2422cyclictest1957390-21kworker/2:1+events20:26:122
193339699243812,2424cyclictest1970407-21kworker/1:1+events21:05:161
193339399243812,2422cyclictest2007004-21kworker/0:1+events22:59:350
193339399243610,2422cyclictest1951010-21kworker/0:2+events20:05:240
19333939924356,2425cyclictest1963702-21kworker/0:1+events20:45:570
193340699243412,2418cyclictest1991165-21kworker/3:0+events22:12:283
193339399243312,2417cyclictest2023009-21kworker/0:2+events23:51:560
193340699243112,2415cyclictest1991165-21kworker/3:0+events22:22:513
193339699243112,2415cyclictest2008811-21kworker/1:1+events23:39:001
193340699243011,2415cyclictest1978252-21kworker/3:2+events21:47:203
193339699243011,2416cyclictest1946094-21kworker/1:0+events19:51:451
19333939924307,2421cyclictest1995936-21kworker/0:2+events22:50:030
193339399243012,2414cyclictest1939906-21kworker/0:1+events19:42:340
19334019924277,2417cyclictest1989375-21kworker/2:1+events22:06:262
193339699242611,2411cyclictest1979881-21kworker/1:1+events21:37:301
193339699242512,2409cyclictest1939848-21kworker/1:2+events19:37:181
193339399242512,2410cyclictest2016457-21kworker/0:1+events23:26:250
193339399242512,2409cyclictest2039113-21kworker/0:1+events00:38:150
193340699242412,2408cyclictest2021289-21kworker/3:0+events23:47:203
193339699242412,2409cyclictest2007038-21kworker/1:2+events22:59:131
19333969924238,2412cyclictest2039025-21kworker/1:0+events00:37:081
193339699242312,2407cyclictest2008811-21kworker/1:1+events23:19:151
193340699242212,2407cyclictest1934621-21kworker/3:2+events19:27:393
193340199242212,2407cyclictest1962109-21kworker/2:2+events20:46:212
193340199242112,2405cyclictest1944537-21kworker/2:2+events19:44:062
193339399242112,2405cyclictest1963702-21kworker/0:1+events20:58:030
19333969924208,2408cyclictest1964022-21kworker/1:0+events21:04:311
193340199241912,2404cyclictest1934816-21kworker/2:2+events19:18:552
193340199241911,2404cyclictest2035074-21kworker/2:1+events00:26:322
19333939924164,2408cyclictest2029564-21kworker/0:1+events00:11:130
193340199241514,2398cyclictest1994547-21kworker/2:0+events22:33:272
193340699241312,2398cyclictest1950829-21kworker/3:1+events20:12:173
193340199241312,2397cyclictest1976617-21kworker/2:2+events21:32:552
193339699241312,2399cyclictest2008811-21kworker/1:1+events23:20:221
193339699241312,2397cyclictest2019723-21kworker/1:2+events00:05:551
193339699241312,2397cyclictest2019723-21kworker/1:2+events00:05:551
19333939924137,2402cyclictest1988317-21kworker/0:0+events22:27:280
193339399241312,2397cyclictest2004133-21kworker/0:0+events23:15:270
19333969924123,2405cyclictest2019723-21kworker/1:2+events23:58:251
193339399241212,2397cyclictest2023009-21kworker/0:2+events00:28:470
193340199241011,2397cyclictest1983221-21kworker/2:2+events21:50:252
19333939924109,2397cyclictest1931295-21kworker/0:0+events19:16:100
193339399241012,2394cyclictest2023009-21kworker/0:2+events00:21:080
193340199240911,2395cyclictest2031013-21kworker/2:2+events00:15:472
193339399240912,2393cyclictest1988317-21kworker/0:0+events22:07:350
193339399240911,2394cyclictest2004133-21kworker/0:0+events23:39:210
193340699240612,2391cyclictest1967291-21kworker/3:2+events20:55:463
193340199240612,2391cyclictest1976617-21kworker/2:2+events21:28:002
19333939924068,2395cyclictest1984704-21kworker/0:1+events21:55:450
193340699240512,2391cyclictest1965682-21kworker/3:1+events20:50:043
193339399240412,2388cyclictest1973629-21kworker/0:2+events21:18:060
193340699240212,2387cyclictest2029856-21kworker/3:2+events00:20:453
193340699240212,2387cyclictest2003842-21kworker/3:0+events23:16:373
193339699240211,2387cyclictest1995905-21kworker/1:2+events22:27:031
193340699240112,2385cyclictest2029856-21kworker/3:2+events00:11:583
193340199240112,2386cyclictest1942883-21kworker/2:1+events19:52:562
193340699240012,2385cyclictest1968966-21kworker/3:1+events21:05:393
193340699240010,2386cyclictest1957499-21kworker/3:3+events20:39:133
193339399240012,2385cyclictest1995936-21kworker/0:2+events22:22:040
193340699239911,2385cyclictest2034637-21kworker/3:3+events00:31:483
19334019923996,2389cyclictest1979939-21kworker/2:0+events21:39:012
193340699239814,2380cyclictest2038979-21kworker/3:1+events00:35:593
193340699239712,2382cyclictest1975013-21kworker/3:2+events21:17:433
193340699239711,2383cyclictest1954037-21kworker/3:0+events20:22:063
193340199239712,2381cyclictest1962109-21kworker/2:2+events21:01:532
193340699239612,2380cyclictest2013537-21kworker/3:2+events23:20:423
193340699239612,2380cyclictest1968966-21kworker/3:1+events21:12:043
193340699239612,2380cyclictest1960625-21kworker/3:0+events21:01:293
193340699239610,2383cyclictest2029856-21kworker/3:2+events00:17:403
193340199239612,2381cyclictest2008719-21kworker/2:1+events23:09:502
193339399239610,2382cyclictest1947729-21kworker/0:2+events19:55:340
193340699239511,2381cyclictest1978252-21kworker/3:2+events21:37:543
193340199239512,2381cyclictest2024492-21kworker/2:1+events23:56:512
19333969923958,2383cyclictest2008811-21kworker/1:1+events23:12:071
193339699239510,2381cyclictest1923198-21kworker/1:1+events19:20:461
193340199239412,2379cyclictest1946183-21kworker/2:0+events20:07:192
193340199239312,2377cyclictest1985534-21kworker/2:0+events21:55:232
193340199239212,2376cyclictest1954158-21kworker/2:1+events20:14:352
193339699239212,2377cyclictest2008811-21kworker/1:1+events23:09:051
193340699239110,2378cyclictest1968966-21kworker/3:1+events21:27:393
193340199239112,2377cyclictest1941238-21kworker/2:0+events19:36:302
193340199239112,2375cyclictest1947907-21kworker/2:2+events19:56:182
193339699239011,2375cyclictest1939848-21kworker/1:2+events19:45:141
193339399239012,2374cyclictest1988317-21kworker/0:0+events22:01:090
193340199238912,2374cyclictest2026122-21kworker/2:0+events00:06:172
193340199238912,2374cyclictest2026122-21kworker/2:0+events00:06:172
193340699238812,2373cyclictest1998646-21kworker/3:2+events22:31:573
193340199238812,2373cyclictest1962109-21kworker/2:2+events20:53:282
193340199238811,2373cyclictest1968960-21kworker/2:1+events21:10:552
193340199238612,2370cyclictest1957390-21kworker/2:1+events20:38:522
193340199238412,2368cyclictest2004101-21kworker/2:2+events22:50:472
193339699238411,2370cyclictest1943439-21kworker/1:1+events19:43:441
193340699237910,2365cyclictest1960625-21kworker/3:0+events20:48:143
193339399237910,2365cyclictest2013594-21kworker/0:2+events23:21:290
193339699237712,2362cyclictest1978215-21kworker/1:0+events21:27:161
193339699237712,2362cyclictest1947817-21kworker/1:2+events20:08:301
193339399237610,2362cyclictest1963702-21kworker/0:1+events20:41:530
193339699237212,2357cyclictest2027647-21kworker/1:0+events00:13:521
193339699236512,2350cyclictest2030868-21kworker/1:1+events00:27:181
193339699236412,2348cyclictest1973659-21kworker/1:1+events21:22:421
193339699236212,2346cyclictest1947817-21kworker/1:2+events20:02:211
193339699236112,2345cyclictest1979881-21kworker/1:1+events21:51:121
193339399236011,2346cyclictest1968751-21kworker/0:0+events21:09:240
193339399236010,2347cyclictest2023009-21kworker/0:2+events00:19:140
193339699235811,2344cyclictest1958960-21kworker/1:2+events20:39:381
193339699235512,2340cyclictest1964022-21kworker/1:0+events20:48:561
193339399235512,2339cyclictest1931295-21kworker/0:0+events19:23:040
193339399235311,2338cyclictest1986322-21kworker/0:2+events21:54:170
19333939923529,2339cyclictest1958236-21kworker/0:0+events20:27:200
193339399235110,2338cyclictest1968751-21kworker/0:0+events21:23:040
193339699234812,2334cyclictest1964022-21kworker/1:0+events20:51:351
193339399234311,2328cyclictest1978281-21kworker/0:2+events21:42:270
193339699234211,2328cyclictest1992736-21kworker/1:0+events22:15:331
193339699234112,2327cyclictest1957360-21kworker/1:0+events20:25:051
193339399234111,2326cyclictest1988317-21kworker/0:0+events22:18:370
193339399234011,2325cyclictest2000835-21kworker/0:1+events22:39:140
193339699233912,2325cyclictest1995905-21kworker/1:2+events22:38:501
193339699233812,2323cyclictest2008811-21kworker/1:1+events23:04:551
193339699233810,2324cyclictest1947817-21kworker/1:2+events20:17:581
193339399233812,2323cyclictest1952645-21kworker/0:1+events20:20:370
193339399233812,2322cyclictest2000835-21kworker/0:1+events22:48:290
193339699233711,2322cyclictest1923198-21kworker/1:1+events19:29:541
193339399233312,2318cyclictest2019754-21kworker/0:2+events23:42:020
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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