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2026-05-17 - 15:36

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 792 highest latencies:
System rackfslot7s.osadl.org (updated Sun May 17, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
383509699408719,4062cyclictest3846353-21kworker/3:0+events19:45:173
383509499330416,3283cyclictest3896216-21kworker/1:0+events22:30:191
383509399317114,3141cyclictest3882415-21kworker/0:0+events21:40:170
383509499280312,2788cyclictest3836279-21kworker/1:2+events19:15:141
383509499280213,2785cyclictest3856242-21kworker/1:2+events20:15:111
383509699279413,2776cyclictest3860697-21kworker/3:0+events20:35:103
383509399277212,2757cyclictest3839911-21kworker/0:1+events19:35:180
38350959927599,2746cyclictest3878693-21kworker/2:2+events21:30:192
383509399271912,2702cyclictest3880539-21kworker/0:2+events21:35:170
383509599270113,2684cyclictest3897662-21kworker/2:1+events22:25:192
383509599270013,2684cyclictest3868851-21kworker/2:1+events21:01:322
383509599264713,2630cyclictest3889823-21kworker/2:0+events22:10:002
383509599263512,2620cyclictest3915635-21kworker/2:1+events23:36:292
383509399261713,2600cyclictest3893149-21kworker/0:1+events22:13:070
38350949925596,2550cyclictest3933196-21kworker/1:2+events00:16:421
383509699253712,2521cyclictest3899570-21kworker/3:2+events22:55:143
383509499253010,2516cyclictest3864276-21kworker/1:2+events20:40:131
383509499251812,2503cyclictest3923519-21kworker/1:2+events23:45:151
383509699249711,2482cyclictest3844688-21kworker/3:2+events19:40:173
383509499249612,2481cyclictest3936524-21kworker/1:2+events00:25:261
383509499249412,2479cyclictest3921831-21kworker/1:0+events23:40:181
383509599249311,2479cyclictest3878693-21kworker/2:2+events21:26:032
383509499249312,2477cyclictest3925126-21kworker/1:0+events23:58:111
383509499249212,2476cyclictest3938133-21kworker/1:1+events00:37:461
383509499249212,2476cyclictest3836279-21kworker/1:2+events19:20:541
383509499249112,2476cyclictest3857868-21kworker/1:1+events20:31:471
383509499249112,2476cyclictest3857868-21kworker/1:1+events20:31:461
383509499248912,2475cyclictest3843238-21kworker/1:2+events19:41:261
383509499248912,2474cyclictest3864276-21kworker/1:2+events20:55:261
383509499248911,2475cyclictest3885227-21kworker/1:1+events22:06:121
383509599248812,2472cyclictest3917309-21kworker/2:0+events23:27:432
383509499248812,2474cyclictest3872314-21kworker/1:2+events21:05:471
383509499248812,2472cyclictest3896216-21kworker/1:0+events22:28:031
383509499248812,2472cyclictest3896216-21kworker/1:0+events22:18:491
383509499248711,2472cyclictest3885227-21kworker/1:1+events21:58:541
383509499248612,2471cyclictest3869041-21kworker/1:0+events21:03:521
383509499248612,2470cyclictest3852834-21kworker/1:0+events20:14:251
383509499248611,2471cyclictest3918622-21kworker/1:2+events23:36:521
383509499248611,2471cyclictest3896216-21kworker/1:0+events22:38:241
383509499248312,2468cyclictest3905592-21kworker/1:0+events22:49:311
383509499248311,2470cyclictest3852834-21kworker/1:0+events20:20:021
38350969924822,2476cyclictest3928416-21kworker/3:3+events00:00:263
383509499248212,2467cyclictest3877363-21kworker/1:2+events21:22:371
383509499248210,2469cyclictest3869041-21kworker/1:0+events21:12:181
383509699247912,2463cyclictest3846353-21kworker/3:0+events19:50:123
383509499247812,2463cyclictest3908834-21kworker/1:1+events23:05:591
38350969924759,2462cyclictest3899570-21kworker/3:2+events23:23:563
383509599247011,2456cyclictest3853015-21kworker/2:2+events20:18:552
383509499246712,2452cyclictest3912452-21kworker/1:0+events23:11:201
383509699245812,2438cyclictest3846353-21kworker/3:0+events20:15:343
383509499245811,2444cyclictest3885227-21kworker/1:1+events22:11:331
383509499245411,2439cyclictest3905592-21kworker/1:0+events22:51:471
383509399244812,2434cyclictest3913830-21kworker/0:1+events23:25:050
383509499244312,2428cyclictest3833531-21kworker/1:1+events19:28:041
383509499244012,2425cyclictest3852834-21kworker/1:0+events20:02:431
383509699242411,2411cyclictest3872190-21kworker/3:1+events21:05:033
383509399242410,2410cyclictest3923283-21kworker/0:2+events23:46:250
383509699242312,2407cyclictest3920377-21kworker/3:0+events23:51:463
383509699242011,2405cyclictest3908896-21kworker/3:1+events23:02:083
383509699241212,2397cyclictest3867692-21kworker/3:0+events20:58:083
383509699241111,2397cyclictest3846353-21kworker/3:0+events20:01:583
383509699240911,2394cyclictest3926488-21kworker/3:2+events23:56:413
383509699240612,2390cyclictest3891451-21kworker/3:0+events22:04:153
383509699240412,2389cyclictest3896120-21kworker/3:2+events22:21:073
383509699240112,2386cyclictest3880294-21kworker/3:0+events21:31:513
383509699240110,2388cyclictest3902395-21kworker/3:0+events22:38:003
383509699239812,2383cyclictest3917170-21kworker/3:0+events23:28:303
383509699239712,2381cyclictest3891451-21kworker/3:0+events22:26:073
383509599239712,2381cyclictest3936465-21kworker/2:1+events00:33:052
383509699239612,2381cyclictest3910643-21kworker/3:0+events23:14:213
383509599239612,2380cyclictest3902724-21kworker/2:1+events22:50:162
38350959923908,2378cyclictest3902724-21kworker/2:1+events22:46:242
383509399238912,2375cyclictest3880539-21kworker/0:2+events21:32:110
383509499238812,2373cyclictest3860726-21kworker/1:2+events20:26:471
383509599238411,2370cyclictest3920165-21kworker/2:2+events23:44:542
383509399238110,2368cyclictest3936438-21kworker/0:1+events00:35:490
383509399237512,2360cyclictest3884524-21kworker/0:1+events21:45:590
383509499236711,2352cyclictest3852834-21kworker/1:0+events20:06:531
383509399236512,2349cyclictest3920675-21kworker/0:1+events23:37:370
383509399236512,2349cyclictest3910371-21kworker/0:0+events23:05:110
383509499236111,2347cyclictest3905592-21kworker/1:0+events22:59:481
383509699236011,2345cyclictest3931275-21kworker/3:0+events00:39:173
383509699235311,2339cyclictest3931275-21kworker/3:0+events00:11:013
383509599235312,2337cyclictest3906168-21kworker/2:0+events23:16:162
383509599234211,2328cyclictest3857542-21kworker/2:0+events20:44:042
383509499234012,2324cyclictest3885227-21kworker/1:1+events22:01:341
383509399234011,2325cyclictest3896521-21kworker/0:1+events22:21:530
383509399233812,2323cyclictest3854585-21kworker/0:0+events20:40:370
383509399233812,2323cyclictest3839911-21kworker/0:1+events19:44:310
383509399233812,2322cyclictest3872285-21kworker/0:2+events21:19:570
383509399233711,2323cyclictest3899297-21kworker/0:2+events22:37:370
383509399233711,2322cyclictest3929915-21kworker/0:1+events00:11:480
383509499233611,2321cyclictest3908834-21kworker/1:1+events23:00:581
383509399233612,2321cyclictest3902666-21kworker/0:0+events22:41:270
383509399233612,2321cyclictest3902666-21kworker/0:0+events22:41:270
383509699232912,2314cyclictest3899570-21kworker/3:2+events23:19:213
383509599232912,2314cyclictest3931515-21kworker/2:0+events00:28:092
383509599232810,2315cyclictest3931515-21kworker/2:0+events00:36:342
383509599232810,2315cyclictest3854806-21kworker/2:1+events20:11:032
383509499232711,2313cyclictest3869041-21kworker/1:0+events21:25:171
383509599232611,2311cyclictest3847803-21kworker/2:1+events20:02:202
383509599232512,2310cyclictest3868851-21kworker/2:1+events21:13:032
383509399232512,2310cyclictest3856180-21kworker/0:2+events20:23:010
38350949923218,2310cyclictest3925126-21kworker/1:0+events00:21:161
383509399232111,2307cyclictest3868922-21kworker/0:1+events20:52:030
383509599231812,2302cyclictest3870491-21kworker/2:2+events20:58:542
383509599231612,2301cyclictest3910527-21kworker/2:2+events23:04:032
383509599230812,2293cyclictest3915635-21kworker/2:1+events23:31:542
383509399230712,2293cyclictest3908716-21kworker/0:2+events23:01:210
383509599230512,2290cyclictest3931515-21kworker/2:0+events00:17:512
383509399230512,2290cyclictest3849346-21kworker/0:0+events19:58:550
383509499230411,2290cyclictest3844843-21kworker/1:0+events19:47:571
383509399230012,2285cyclictest3854585-21kworker/0:0+events21:05:260
383509599228011,2265cyclictest3883542-21kworker/2:2+events21:40:392
383509599227511,2260cyclictest3931515-21kworker/2:0+events00:12:092
383509499227511,2261cyclictest3883478-21kworker/1:0+events21:39:521
383509499227311,2258cyclictest3881844-21kworker/1:2+events21:43:421
383509599227211,2258cyclictest3881876-21kworker/2:0+events21:48:352
383509599227010,2257cyclictest3847803-21kworker/2:1+events19:47:332
383509499227011,2256cyclictest3925126-21kworker/1:0+events23:52:091
38350949922689,2255cyclictest3864276-21kworker/1:2+events20:48:571
38350949922679,2256cyclictest3925126-21kworker/1:0+events00:30:031
38350949922667,2256cyclictest3892941-21kworker/1:2+events22:20:201
383509499226610,2253cyclictest3879053-21kworker/1:1+events21:34:311
383509499226411,2250cyclictest3886857-21kworker/1:0+events21:53:571
383509499226311,2248cyclictest3875754-21kworker/1:1+events21:16:041
383509499226310,2249cyclictest3933196-21kworker/1:2+events00:14:031
383509599226211,2248cyclictest3830069-21kworker/2:0+events19:19:022
383509499226211,2247cyclictest3844843-21kworker/1:0+events19:54:001
383509499226111,2247cyclictest3901051-21kworker/1:1+events22:41:041
383509499226111,2247cyclictest3901051-21kworker/1:1+events22:41:041
383509499226111,2247cyclictest3849704-21kworker/1:1+events19:57:241
383509399226112,2246cyclictest3888280-21kworker/0:0+events22:03:290
383509499225910,2246cyclictest3908834-21kworker/1:1+events23:25:511
38350949922489,2236cyclictest3881844-21kworker/1:2+events21:47:051
383509499224810,2235cyclictest3843238-21kworker/1:2+events19:36:061
383509699224410,2231cyclictest3867692-21kworker/3:0+events20:53:573
383509699224310,2229cyclictest3896120-21kworker/3:2+events22:19:113
383509699223711,2223cyclictest3872190-21kworker/3:1+events21:13:493
383509499223310,2219cyclictest3930242-21kworker/1:1+events00:09:321
383509499223211,2218cyclictest3925126-21kworker/1:0+events00:03:051
383509599223111,2216cyclictest3885287-21kworker/2:1+events21:56:592
383509399223111,2217cyclictest3891544-21kworker/0:2+events22:08:510
383509399223111,2216cyclictest3865453-21kworker/0:2+events20:47:480
383509399222511,2211cyclictest3862630-21kworker/0:1+events20:37:550
383509399222410,2211cyclictest3868922-21kworker/0:1+events20:57:450
383509699222211,2208cyclictest3899570-21kworker/3:2+events23:38:463
38350969922207,2210cyclictest3876079-21kworker/3:0+events21:19:103
383509699221611,2202cyclictest3933260-21kworker/3:1+events00:17:293
383509699221511,2201cyclictest3924853-21kworker/3:1+events23:46:493
383509699221411,2199cyclictest3934926-21kworker/3:2+events00:20:323
383509699221311,2198cyclictest3840091-21kworker/3:0+events19:24:433
383509699221211,2198cyclictest3910643-21kworker/3:0+events23:09:023
383509699221211,2198cyclictest3899570-21kworker/3:2+events23:32:183
383509699221111,2197cyclictest3840091-21kworker/3:0+events19:32:353
383509699221111,2197cyclictest3836431-21kworker/3:2+events19:26:123
383509399221110,2197cyclictest3918802-21kworker/0:0+events23:31:090
383509699220911,2195cyclictest3899570-21kworker/3:2+events23:40:423
38350969922089,2196cyclictest3862339-21kworker/3:2+events20:32:103
38350969922089,2196cyclictest3862339-21kworker/3:2+events20:32:103
38350969922088,2196cyclictest3850975-21kworker/3:1+events19:57:033
383509699220710,2193cyclictest3844688-21kworker/3:2+events19:37:353
38350949922068,2194cyclictest3920227-21kworker/1:1+events23:33:251
383509699220511,2191cyclictest3867692-21kworker/3:0+events21:04:163
38350969922048,2192cyclictest3854614-21kworker/3:2+events20:13:163
383509399220411,2189cyclictest3877058-21kworker/0:0+events21:21:300
38350969922039,2190cyclictest3880294-21kworker/3:0+events21:27:133
38350969922029,2190cyclictest3889737-21kworker/3:1+events22:15:003
38350969922027,2192cyclictest3936555-21kworker/3:1+events00:29:413
383509699220210,2189cyclictest3928416-21kworker/3:3+events00:08:013
383509699220210,2188cyclictest3939039-21kworker/3:2+events00:32:203
383509399220111,2187cyclictest3851005-21kworker/0:1+events20:10:410
383509699220011,2186cyclictest3887023-21kworker/3:0+events21:54:443
383509699220011,2186cyclictest3863972-21kworker/3:1+events20:47:043
383509699219811,2184cyclictest3880294-21kworker/3:0+events21:36:273
383509399219710,2184cyclictest3908716-21kworker/0:2+events23:10:570
383509399219511,2181cyclictest3846501-21kworker/0:2+events19:50:340
383509599219411,2180cyclictest3906168-21kworker/2:0+events23:05:352
38350969921926,2183cyclictest3846353-21kworker/3:0+events20:08:473
383509599219010,2177cyclictest3889823-21kworker/2:0+events22:04:372
383509699218711,2173cyclictest3899570-21kworker/3:2+events22:52:113
383509599218611,2172cyclictest3851097-21kworker/2:0+events20:06:312
383509699218210,2169cyclictest3878661-21kworker/3:1+events21:22:593
383509699218111,2166cyclictest3881905-21kworker/3:2+events21:42:553
383509699217711,2162cyclictest3899570-21kworker/3:2+events22:31:293
383509699217210,2158cyclictest3905562-21kworker/3:1+events22:46:483
383509599216110,2147cyclictest3889823-21kworker/2:0+events22:15:232
383509399215911,2145cyclictest3923283-21kworker/0:2+events23:51:010
383509399215911,2145cyclictest3843215-21kworker/0:2+events19:34:330
383509499215810,2145cyclictest3916988-21kworker/1:0+events23:22:261
383509399215810,2145cyclictest3931776-21kworker/0:2+events00:20:540
383509399215611,2142cyclictest3901028-21kworker/0:1+events22:47:110
383509399215310,2140cyclictest3923283-21kworker/0:2+events23:41:500
383509399214911,2135cyclictest3901028-21kworker/0:1+events22:55:380
383509399214810,2135cyclictest3913830-21kworker/0:1+events23:18:350
383509399214711,2133cyclictest3856180-21kworker/0:2+events20:16:410
383509399214311,2129cyclictest3834838-21kworker/0:2+events19:21:160
38350939921429,2131cyclictest3913830-21kworker/0:1+events23:20:060
38350939921419,2128cyclictest3894758-21kworker/0:0+events22:16:550
383509399214111,2126cyclictest3888280-21kworker/0:0+events21:58:100
383509399214110,2127cyclictest3928267-21kworker/0:0+events00:00:490
38350939921408,2129cyclictest3877058-21kworker/0:0+events21:25:390
383509399214011,2126cyclictest3934622-21kworker/0:0+events00:17:060
383509399214011,2125cyclictest3884524-21kworker/0:1+events21:50:540
383509399214010,2127cyclictest3854585-21kworker/0:0+events20:27:090
383509399213911,2125cyclictest3872285-21kworker/0:2+events21:04:390
383509399213811,2125cyclictest3849346-21kworker/0:0+events20:00:260
383509399213811,2124cyclictest3839911-21kworker/0:1+events19:26:560
383509399213811,2123cyclictest3861003-21kworker/0:2+events20:33:400
383509399213811,2123cyclictest3861003-21kworker/0:2+events20:33:390
383509399213811,2123cyclictest3846501-21kworker/0:2+events19:48:200
383509399213711,2123cyclictest3874052-21kworker/0:1+events21:11:310
383509399213711,2122cyclictest3936438-21kworker/0:1+events00:30:490
383509599213211,2119cyclictest3923579-21kworker/2:1+events23:55:092
38350939921327,2122cyclictest3905961-21kworker/0:0+events22:53:430
383509599211612,2101cyclictest3857542-21kworker/2:0+events20:50:302
38350949921158,2104cyclictest3864276-21kworker/1:2+events20:52:471
383509399211510,2102cyclictest3854585-21kworker/0:0+events20:09:310
383509699211410,2101cyclictest3863972-21kworker/3:1+events20:44:273
383509499211110,2098cyclictest3857868-21kworker/1:1+events20:39:041
38350959921078,2096cyclictest3897662-21kworker/2:1+events22:23:492
383509599210711,2092cyclictest3847803-21kworker/2:1+events19:51:422
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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