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2026-03-12 - 12:50

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 Mar 12, 2026 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
187007699336215,3343cyclictest1875383-21kworker/0:0+events19:30:160
18700869930375,3028cyclictest1947045-21kworker/3:2+events23:10:203
187008699294613,2931cyclictest1939161-21kworker/3:2+events22:50:123
187008299285211,2837cyclictest1956690-21kworker/2:2+events23:40:112
187007899282614,2807cyclictest1932843-21kworker/1:1+events22:35:191
18700789927087,2697cyclictest1890132-21kworker/1:0+events20:15:141
187008699270613,2689cyclictest1966292-21kworker/3:0+events00:14:543
187008299270113,2684cyclictest1969354-21kworker/2:1+events00:20:142
187008699270011,2685cyclictest1900924-21kworker/3:1+events21:20:133
187008299267413,2657cyclictest1946954-21kworker/2:2+events23:25:162
187007899266710,2653cyclictest1884543-21kworker/1:2+events20:10:171
187007899266411,2651cyclictest1945498-21kworker/1:1+events23:05:011
187007899257912,2563cyclictest1962915-21kworker/1:2+events00:07:191
187007899257612,2560cyclictest1953302-21kworker/1:2+events23:49:231
18700869925686,2558cyclictest1920017-21kworker/3:0+events21:48:413
187008299256112,2545cyclictest1946954-21kworker/2:2+events23:30:112
187007899255712,2542cyclictest1955294-21kworker/1:0+events23:42:551
187008299255311,2539cyclictest1942388-21kworker/2:2+events22:56:562
187007899254212,2527cyclictest1940646-21kworker/1:2+events22:48:401
187007899253712,2522cyclictest1916735-21kworker/1:0+events21:32:241
187008699253110,2517cyclictest1891112-21kworker/3:2+events20:17:323
18700869925249,2511cyclictest1900924-21kworker/3:1+events20:58:573
187007699251313,2496cyclictest1931250-21kworker/0:0+events22:20:260
187008299250912,2493cyclictest1939072-21kworker/2:0+events23:03:522
187007899250512,2489cyclictest1894719-21kworker/1:0+events20:28:511
187008299249712,2481cyclictest1960071-21kworker/2:2+events23:51:172
187007899249612,2480cyclictest1879618-21kworker/1:0+events19:58:281
187008299249512,2479cyclictest1910122-21kworker/2:2+events21:21:212
187007899249512,2479cyclictest1911938-21kworker/1:1+events21:36:571
187008299249312,2477cyclictest1964630-21kworker/2:1+events00:01:552
187007899249312,2477cyclictest1868355-21kworker/1:1+events19:26:041
187008299249212,2477cyclictest1929529-21kworker/2:2+events22:16:142
187008299249112,2476cyclictest1921771-21kworker/2:1+events21:50:302
187008299249112,2476cyclictest1921771-21kworker/2:1+events21:50:302
187008299249112,2475cyclictest1894393-21kworker/2:1+events20:56:422
187007899249112,2475cyclictest1900717-21kworker/1:2+events20:43:061
187007899248912,2474cyclictest1951703-21kworker/1:0+events23:26:441
187007899248810,2474cyclictest1910299-21kworker/1:2+events21:17:081
187007899248710,2473cyclictest1931134-21kworker/1:2+events22:24:141
187007899248612,2471cyclictest1913593-21kworker/1:2+events21:49:021
187008299248512,2470cyclictest1960071-21kworker/2:2+events00:12:582
187007899248512,2469cyclictest1938892-21kworker/1:0+events22:41:491
187007899248510,2472cyclictest1971191-21kworker/1:1+events00:34:351
187007899248311,2469cyclictest1966139-21kworker/1:0+events00:17:131
187007699248312,2466cyclictest1892891-21kworker/0:1+events20:29:130
187008299248112,2466cyclictest1873497-21kworker/2:2+events19:21:552
187007899248011,2466cyclictest1879618-21kworker/1:0+events19:48:531
187007899248011,2465cyclictest1971191-21kworker/1:1+events00:27:271
187007899247711,2462cyclictest1929439-21kworker/1:0+events22:17:491
187008299247612,2460cyclictest1966384-21kworker/2:0+events00:19:072
187007699247612,2461cyclictest1923981-21kworker/0:2+events22:13:590
187007899247312,2458cyclictest1969420-21kworker/1:2+events00:24:251
187008299247212,2457cyclictest1887712-21kworker/2:0+events20:17:532
187008699245312,2439cyclictest1902628-21kworker/3:2+events21:05:233
187008699245312,2437cyclictest1928206-21kworker/3:0+events22:10:563
187008699245212,2437cyclictest1932667-21kworker/3:1+events22:55:263
187008699245212,2436cyclictest1949983-21kworker/3:1+events23:21:493
187008699245211,2437cyclictest1966292-21kworker/3:0+events00:08:273
187007699245212,2437cyclictest1905478-21kworker/0:1+events21:18:180
187008699245110,2437cyclictest1953182-21kworker/3:2+events23:27:293
18700869924509,2437cyclictest1969629-21kworker/3:1+events00:27:483
187008699244911,2434cyclictest1955059-21kworker/3:0+events23:40:573
187008699244812,2432cyclictest1875083-21kworker/3:2+events19:25:413
187008699244712,2431cyclictest1930977-21kworker/3:2+events22:23:523
187008699244712,2431cyclictest1876688-21kworker/3:1+events19:39:183
187008699244612,2430cyclictest1891112-21kworker/3:2+events20:11:273
187008699244611,2431cyclictest1971291-21kworker/3:0+events00:35:203
187008699244610,2432cyclictest1900924-21kworker/3:1+events21:00:253
187008699244512,2430cyclictest1876688-21kworker/3:1+events19:50:263
187008699244510,2432cyclictest1958348-21kworker/3:2+events23:57:463
187008699244411,2430cyclictest1928206-21kworker/3:0+events22:17:243
187008699244410,2431cyclictest1932667-21kworker/3:1+events22:27:403
187008699244311,2429cyclictest1969629-21kworker/3:1+events00:21:243
18700869924429,2430cyclictest1902628-21kworker/3:2+events20:53:203
187008699244211,2427cyclictest1921673-21kworker/3:2+events21:58:053
187008699244112,2426cyclictest1926557-21kworker/3:2+events22:06:453
187008699244012,2425cyclictest1923267-21kworker/3:1+events21:54:413
187008699244012,2425cyclictest1923267-21kworker/3:1+events21:54:413
187008699243910,2426cyclictest1910241-21kworker/3:2+events21:14:063
187008699243810,2424cyclictest1918303-21kworker/3:2+events21:39:143
187007699243311,2419cyclictest1974219-21kworker/0:0+events00:38:220
187007899243110,2417cyclictest1966139-21kworker/1:0+events00:11:291
187007699242812,2413cyclictest1896139-21kworker/0:2+events20:39:460
18700789924257,2415cyclictest1902522-21kworker/1:0+events21:10:201
187008299242311,2409cyclictest1902463-21kworker/2:2+events20:50:172
187007699241812,2403cyclictest1968109-21kworker/0:1+events00:32:420
187007699241812,2403cyclictest1910149-21kworker/0:2+events21:24:260
187007699241810,2404cyclictest1915281-21kworker/0:0+events21:28:390
187008299241110,2397cyclictest1904089-21kworker/2:0+events21:11:032
187007899241112,2395cyclictest1950073-21kworker/1:1+events23:22:361
187008699241012,2395cyclictest1900924-21kworker/3:1+events21:25:123
187007699240512,2389cyclictest1946802-21kworker/0:1+events23:19:310
187007899240312,2388cyclictest1940646-21kworker/1:2+events23:08:261
187007699240311,2389cyclictest1961740-21kworker/0:2+events00:17:360
187007699240310,2390cyclictest1866687-21kworker/0:1+events19:25:170
187007899240211,2387cyclictest1927803-21kworker/1:1+events22:07:071
187007699240112,2386cyclictest1943846-21kworker/0:2+events23:10:420
187007699239911,2385cyclictest1889401-21kworker/0:0+events20:14:270
187007699239610,2383cyclictest1943846-21kworker/0:2+events23:08:030
187007699239511,2381cyclictest1903886-21kworker/0:2+events20:52:570
187007699239412,2379cyclictest1915281-21kworker/0:0+events21:41:070
187007699239410,2381cyclictest1966413-21kworker/0:0+events00:13:430
187007899239311,2378cyclictest1924886-21kworker/1:2+events22:02:311
187007699239312,2377cyclictest1954963-21kworker/0:2+events23:47:060
187007699239112,2376cyclictest1961740-21kworker/0:2+events00:04:140
187008299238711,2373cyclictest1948647-21kworker/2:1+events23:15:442
187007899238410,2371cyclictest1961313-21kworker/1:1+events23:55:281
187007699238410,2370cyclictest1907248-21kworker/0:0+events21:09:110
187007699238312,2368cyclictest1887537-21kworker/0:2+events20:03:020
18700789923829,2369cyclictest1868355-21kworker/1:1+events19:20:231
187008299238012,2366cyclictest1904089-21kworker/2:0+events21:00:022
187007699237812,2363cyclictest1934267-21kworker/0:2+events22:31:280
187008699237212,2356cyclictest1958348-21kworker/3:2+events23:50:313
18700789923715,2362cyclictest1911938-21kworker/1:1+events21:24:491
18700829923697,2358cyclictest1897770-21kworker/2:2+events20:38:142
187008299236111,2347cyclictest1946954-21kworker/2:2+events23:09:352
187008299235711,2342cyclictest1939072-21kworker/2:0+events22:43:432
18700769923569,2344cyclictest1966413-21kworker/0:0+events00:09:570
187007699235311,2340cyclictest1923981-21kworker/0:2+events22:05:100
18700769923519,2339cyclictest1910149-21kworker/0:2+events21:12:100
187008299234812,2333cyclictest1918453-21kworker/2:0+events21:49:462
187007699234312,2328cyclictest1950134-21kworker/0:2+events23:22:130
18700869923429,2330cyclictest1932667-21kworker/3:1+events22:47:333
187007899234112,2325cyclictest1927803-21kworker/1:1+events22:11:171
187008299233711,2323cyclictest1935722-21kworker/2:1+events22:32:392
187007899233312,2317cyclictest1911938-21kworker/1:1+events21:27:051
187007699232011,2306cyclictest1946802-21kworker/0:1+events23:36:200
187008299231512,2299cyclictest1889682-21kworker/2:1+events20:14:042
187007899231011,2296cyclictest1884543-21kworker/1:2+events20:30:221
18700789922999,2287cyclictest1879618-21kworker/1:0+events19:43:321
18700789922998,2288cyclictest1902522-21kworker/1:0+events21:07:381
187007699229812,2282cyclictest1934267-21kworker/0:2+events22:28:020
187007699229710,2283cyclictest1892891-21kworker/0:1+events20:34:080
187008699229211,2277cyclictest1875083-21kworker/3:2+events19:34:213
187008699228912,2274cyclictest1891112-21kworker/3:2+events20:20:543
187008699228712,2272cyclictest1937535-21kworker/3:0+events22:39:293
187008699228412,2269cyclictest1891112-21kworker/3:2+events20:26:113
187008299227711,2262cyclictest1952147-21kworker/2:1+events23:35:562
187007899227712,2261cyclictest1940646-21kworker/1:2+events22:52:011
187007899227411,2261cyclictest1932843-21kworker/1:1+events22:25:011
187007899227411,2260cyclictest1950073-21kworker/1:1+events23:32:091
18700869922739,2261cyclictest1932667-21kworker/3:1+events23:01:573
187008299227311,2258cyclictest1904089-21kworker/2:0+events21:08:462
187008299227310,2260cyclictest1884395-21kworker/2:2+events20:04:112
187007899227311,2259cyclictest1940646-21kworker/1:2+events22:59:401
187007899226811,2253cyclictest1940646-21kworker/1:2+events23:11:041
187008299226711,2254cyclictest1892738-21kworker/2:2+events20:20:092
187007899226711,2252cyclictest1900717-21kworker/1:2+events20:46:291
187008699226611,2252cyclictest1895902-21kworker/3:1+events20:35:153
187008299226511,2251cyclictest1887712-21kworker/2:0+events20:07:392
187008299226511,2250cyclictest1946954-21kworker/2:2+events23:14:102
187008299226510,2253cyclictest1913323-21kworker/2:1+events21:30:092
18700789922656,2256cyclictest1923239-21kworker/1:0+events21:55:501
187007899226410,2251cyclictest1879618-21kworker/1:0+events20:00:251
18700789922639,2251cyclictest1905393-21kworker/1:2+events21:02:421
187007899226310,2249cyclictest1919864-21kworker/1:0+events21:41:301
187008699225911,2246cyclictest1876688-21kworker/3:1+events19:40:033
18700789922568,2245cyclictest1879618-21kworker/1:0+events19:39:421
187007899225611,2241cyclictest1905393-21kworker/1:2+events20:59:171
18700789922548,2242cyclictest1923239-21kworker/1:0+events21:54:181
18700789922548,2242cyclictest1923239-21kworker/1:0+events21:54:171
187007899225411,2239cyclictest1963394-21kworker/1:3+events00:01:101
187007699225210,2239cyclictest1970926-21kworker/0:0+events00:21:470
187007899225111,2236cyclictest1879618-21kworker/1:0+events19:54:141
187007899225010,2237cyclictest1940646-21kworker/1:2+events23:17:121
187007699225010,2237cyclictest1892891-21kworker/0:1+events20:23:540
187008699224711,2233cyclictest1953182-21kworker/3:2+events23:34:273
187008699224211,2227cyclictest1974071-21kworker/3:2+events00:31:573
187008699224210,2229cyclictest1932667-21kworker/3:1+events22:44:053
187008699223811,2224cyclictest1958348-21kworker/3:2+events00:04:573
187008699223810,2226cyclictest1958348-21kworker/3:2+events00:15:413
18700869922379,2225cyclictest1923267-21kworker/3:1+events22:02:553
187008699223610,2222cyclictest1871309-21kworker/3:2+events19:14:463
187008699223510,2222cyclictest1861734-21kworker/3:0+events19:16:143
187008699223111,2217cyclictest1932667-21kworker/3:1+events22:34:563
187008699223110,2217cyclictest1949983-21kworker/3:1+events23:18:433
187008699223010,2216cyclictest1900924-21kworker/3:1+events21:43:463
187008699222411,2211cyclictest1884366-21kworker/3:0+events20:00:023
187008699222411,2210cyclictest1897593-21kworker/3:0+events20:48:003
187008699222411,2210cyclictest1882759-21kworker/3:2+events19:47:443
187008699222411,2209cyclictest1873436-21kworker/3:1+events19:23:493
187008699222311,2209cyclictest1956722-21kworker/3:1+events23:38:403
187007899222311,2209cyclictest1892922-21kworker/1:1+events20:20:321
187008699222210,2210cyclictest1884366-21kworker/3:0+events20:05:213
187007899222210,2209cyclictest1974133-21kworker/1:0+events00:36:051
187007699222212,2207cyclictest1885287-21kworker/0:1+events20:08:470
187007899222111,2207cyclictest1868355-21kworker/1:1+events19:31:441
18700769922208,2209cyclictest1902225-21kworker/0:1+events20:48:250
18700869922188,2207cyclictest1910241-21kworker/3:2+events21:15:383
187007699221811,2204cyclictest1931250-21kworker/0:0+events22:36:060
187008699221410,2201cyclictest1945323-21kworker/3:0+events23:08:503
187008299220711,2194cyclictest1969354-21kworker/2:1+events00:30:042
187007699220710,2195cyclictest1915281-21kworker/0:0+events21:50:090
187007699220710,2195cyclictest1915281-21kworker/0:0+events21:50:090
187007699220611,2191cyclictest1883029-21kworker/0:2+events19:53:520
187007699220411,2190cyclictest1866687-21kworker/0:1+events19:44:190
187007699220310,2189cyclictest1937330-21kworker/0:1+events22:46:000
187007699220210,2188cyclictest1905478-21kworker/0:1+events21:04:370
18700769922009,2189cyclictest1943846-21kworker/0:2+events23:00:020
187007699219811,2183cyclictest1942241-21kworker/0:1+events22:54:410
187007699219711,2183cyclictest1881394-21kworker/0:0+events19:55:250
18700769921969,2184cyclictest1915281-21kworker/0:0+events21:31:390
18700769921949,2182cyclictest1938953-21kworker/0:2+events22:44:280
187007699219311,2179cyclictest1946802-21kworker/0:1+events23:33:420
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187007899218811,2174cyclictest1934474-21kworker/1:0+events22:34:331
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187007699217711,2162cyclictest1866687-21kworker/0:1+events19:49:160
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187008299217010,2157cyclictest1878168-21kworker/2:2+events19:42:462
18700769921708,2159cyclictest1926295-21kworker/0:0+events22:04:230
187007899216111,2146cyclictest1961313-21kworker/1:1+events23:53:321
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187007899213911,2125cyclictest1955294-21kworker/1:0+events23:36:431
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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