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2026-08-23 - 23:01

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 Sun Aug 23, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
415740699319016,3169cyclictest4183448-21kworker/3:0+events20:40:003
415740699304614,3027cyclictest56954-21kworker/3:1+events00:05:193
415740399295114,2931cyclictest4183210-21kworker/2:0+events21:15:212
415740699286514,2847cyclictest29588-21kworker/3:0+events22:40:193
415739799281213,2792cyclictest13209-21kworker/0:2+events21:45:120
415740699276313,2746cyclictest4168440-21kworker/3:0+events19:45:153
415740399270713,2690cyclictest4176563-21kworker/2:0+events20:10:002
415740699269413,2677cyclictest4171679-21kworker/3:0+events20:20:173
41573979926898,2677cyclictest31224-21kworker/0:2+events22:50:140
415740699265913,2642cyclictest4186638-21kworker/3:2+events20:40:213
415740399265413,2638cyclictest51997-21kworker/2:1+events00:00:002
415740099265213,2636cyclictest59988-21kworker/1:0+events00:35:131
415739799265111,2634cyclictest4175045-21kworker/0:2+events20:13:470
415740399262813,2611cyclictest59927-21kworker/2:0+events00:20:252
415740699262212,2607cyclictest45708-21kworker/3:0+events23:35:143
41574069925836,2573cyclictest5332-21kworker/3:2+events21:20:393
415740699257512,2560cyclictest18182-21kworker/3:1+events22:07:183
415739799256312,2547cyclictest16461-21kworker/0:1+events21:58:320
415740699254413,2529cyclictest63042-21kworker/3:1+events00:20:033
415739799249912,2484cyclictest29605-21kworker/0:0+events22:46:240
415740399249712,2482cyclictest64995-21kworker/2:1+events00:25:442
41574069924966,2486cyclictest58917-21kworker/3:0+events00:26:523
415740699249412,2478cyclictest6973-21kworker/3:0+events21:25:123
415740699249212,2477cyclictest6973-21kworker/3:0+events22:02:223
415740399249212,2477cyclictest51997-21kworker/2:1+events00:04:582
415740699249012,2475cyclictest48520-21kworker/3:2+events23:32:333
415740699248811,2475cyclictest4148830-21kworker/3:1+events19:30:073
415740099247012,2455cyclictest50970-21kworker/1:2+events23:43:131
415739799245112,2435cyclictest50486-21kworker/0:1+events23:41:420
41574039924469,2434cyclictest51997-21kworker/2:1+events23:43:592
415739799243912,2423cyclictest64729-21kworker/0:0+events00:39:230
415740699243412,2420cyclictest35874-21kworker/3:1+events23:05:013
415739799242411,2411cyclictest4183180-21kworker/0:0+events20:41:330
415740399242112,2406cyclictest59927-21kworker/2:0+events00:31:262
415740399241412,2399cyclictest4104-21kworker/2:2+events21:27:522
415739799241412,2399cyclictest4175045-21kworker/0:2+events20:16:270
415739799241212,2396cyclictest19894-21kworker/0:3+events22:09:580
415739799241012,2395cyclictest4184920-21kworker/0:1+events20:33:580
415740699240812,2392cyclictest6973-21kworker/3:0+events21:53:103
415739799240812,2393cyclictest4188499-21kworker/0:1+events20:50:170
415740399240712,2392cyclictest11763-21kworker/2:0+events21:41:282
41574009924077,2396cyclictest4183359-21kworker/1:0+events20:29:241
415740099240711,2393cyclictest56728-21kworker/1:2+events23:58:491
415739799240611,2391cyclictest58716-21kworker/0:2+events00:07:120
415740399240411,2389cyclictest40997-21kworker/2:1+events23:25:462
415739799240312,2388cyclictest4170155-21kworker/0:1+events19:50:550
415740399240112,2387cyclictest4183210-21kworker/2:0+events21:05:082
415740399240111,2386cyclictest4183210-21kworker/2:0+events20:51:022
415739799239912,2383cyclictest8716-21kworker/0:0+events21:32:040
415740699239712,2381cyclictest4176469-21kworker/3:1+events20:12:363
415739799238811,2373cyclictest4171753-21kworker/0:2+events19:58:060
415739799238011,2365cyclictest4188499-21kworker/0:1+events20:55:140
415739799237612,2360cyclictest50486-21kworker/0:1+events23:47:220
415740399237312,2357cyclictest4191257-21kworker/2:1+events20:56:202
415740099237112,2355cyclictest36111-21kworker/1:0+events23:08:261
415740699235612,2342cyclictest42409-21kworker/3:1+events23:20:073
415739799235611,2341cyclictest4168499-21kworker/0:0+events19:44:530
415740699235212,2336cyclictest4165232-21kworker/3:2+events19:36:103
415739799235212,2337cyclictest45399-21kworker/0:0+events23:29:580
415740099235112,2336cyclictest4170005-21kworker/1:0+events19:59:401
415740099235111,2338cyclictest3711-21kworker/1:0+events21:16:261
415739799235012,2335cyclictest4158628-21kworker/0:2+events19:22:510
415740699234912,2333cyclictest35874-21kworker/3:1+events22:59:193
415740099234712,2332cyclictest45637-21kworker/1:0+events23:53:251
415740099234712,2332cyclictest21232-21kworker/1:2+events22:09:361
415739799234712,2332cyclictest4166847-21kworker/0:1+events19:38:060
415740699234412,2329cyclictest6973-21kworker/3:0+events21:33:123
415740699234312,2328cyclictest55342-21kworker/3:3+events00:03:503
415740099234312,2327cyclictest45637-21kworker/1:0+events23:28:021
415740399234210,2329cyclictest35845-21kworker/2:0+events23:06:092
415740699234112,2326cyclictest2257-21kworker/3:1+events21:19:313
415740399234112,2325cyclictest4165217-21kworker/2:2+events19:54:382
415740399234111,2326cyclictest40997-21kworker/2:1+events23:17:082
41574069923409,2328cyclictest4171679-21kworker/3:0+events20:07:463
415740699234010,2327cyclictest25139-21kworker/3:1+events22:21:433
41574039923388,2326cyclictest4157098-21kworker/2:2+events19:12:152
415740399233812,2323cyclictest4165217-21kworker/2:2+events19:49:472
415739799233811,2323cyclictest58716-21kworker/0:2+events00:21:340
415740399233712,2321cyclictest4186342-21kworker/2:2+events20:41:102
41574009923379,2325cyclictest6930-21kworker/1:1+events21:28:151
415740099233712,2321cyclictest4168379-21kworker/1:2+events19:42:351
415740099233710,2323cyclictest48628-21kworker/1:1+events23:33:181
415740099233610,2323cyclictest4181699-21kworker/1:2+events20:23:211
415740399233311,2318cyclictest53622-21kworker/2:0+events23:51:542
415739799233311,2318cyclictest13209-21kworker/0:2+events21:43:220
415740099233012,2315cyclictest4188169-21kworker/1:1+events20:54:041
415739799232912,2314cyclictest32852-21kworker/0:1+events22:43:210
415740699232811,2313cyclictest4178382-21kworker/3:2+events20:17:593
415740399232811,2314cyclictest4165217-21kworker/2:2+events19:34:412
415740699232712,2311cyclictest4181847-21kworker/3:2+events20:32:033
415740399232712,2312cyclictest16584-21kworker/2:0+events22:13:452
415739799232710,2313cyclictest3802-21kworker/0:2+events21:13:040
415740399232612,2310cyclictest4183210-21kworker/2:0+events20:36:122
415740099232612,2311cyclictest63227-21kworker/1:1+events00:20:491
415739799232612,2310cyclictest53718-21kworker/0:2+events23:52:170
415739799232612,2310cyclictest34954-21kworker/0:1+events23:16:010
415739799232611,2311cyclictest4163942-21kworker/0:2+events19:33:090
415739799232610,2313cyclictest7110-21kworker/0:1+events21:25:360
415740699232512,2310cyclictest10202-21kworker/3:2+events21:39:343
415740699232511,2311cyclictest13325-21kworker/3:1+events21:44:283
415740399232511,2312cyclictest4160427-21kworker/2:1+events19:25:072
415739799232512,2310cyclictest22652-21kworker/0:0+events22:11:260
415739799232512,2307cyclictest4192647-21kworker/0:2+events21:03:130
415740699232412,2309cyclictest50367-21kworker/3:1+events23:47:453
415740699232412,2309cyclictest4148830-21kworker/3:1+events19:26:173
415740399232412,2309cyclictest4183210-21kworker/2:0+events21:04:232
415739799232410,2310cyclictest16461-21kworker/0:1+events22:04:180
415740699232311,2309cyclictest31185-21kworker/3:1+events22:39:563
415740399232212,2306cyclictest29568-21kworker/2:0+events22:39:332
415740099232212,2306cyclictest36111-21kworker/1:0+events23:02:471
415739799232210,2308cyclictest4168499-21kworker/0:0+events19:46:000
415740699232111,2306cyclictest35874-21kworker/3:1+events22:53:143
415740099231911,2305cyclictest66539-21kworker/1:2+events00:32:331
415739799231812,2302cyclictest58716-21kworker/0:2+events00:13:410
415740699231712,2302cyclictest63042-21kworker/3:1+events00:17:263
415740699231712,2302cyclictest63042-21kworker/3:1+events00:17:263
41574039923178,2306cyclictest67870-21kworker/2:2+events00:38:592
415739799231711,2302cyclictest4175045-21kworker/0:2+events20:21:020
415739799231612,2301cyclictest4194275-21kworker/0:1+events21:15:430
415739799231610,2303cyclictest29605-21kworker/0:0+events22:32:460
415740099231511,2301cyclictest61589-21kworker/1:2+events00:17:051
415740099231511,2301cyclictest61589-21kworker/1:2+events00:17:051
415739799231411,2300cyclictest58716-21kworker/0:2+events00:15:570
415739799231411,2300cyclictest58716-21kworker/0:2+events00:15:570
415740399231311,2299cyclictest4183210-21kworker/2:0+events20:48:012
415740399231311,2298cyclictest35845-21kworker/2:0+events23:13:202
415740099231311,2299cyclictest4189804-21kworker/1:2+events21:05:541
415740099231211,2297cyclictest5302-21kworker/1:2+events21:21:461
415739799231110,2297cyclictest39419-21kworker/0:3+events23:06:300
415740699231011,2295cyclictest4166816-21kworker/3:1+events19:41:073
415740399230912,2294cyclictest4178693-21kworker/2:2+events20:18:222
415740699230812,2292cyclictest4186638-21kworker/3:2+events21:01:423
415740399230712,2291cyclictest11763-21kworker/2:0+events21:38:482
41574039922979,2285cyclictest4104-21kworker/2:2+events21:30:552
415739799229410,2280cyclictest4173390-21kworker/0:1+events20:02:210
415740399229311,2280cyclictest4104-21kworker/2:2+events21:55:072
415739799229210,2277cyclictest34954-21kworker/0:1+events23:23:550
415740699227411,2260cyclictest4158450-21kworker/3:0+events19:19:283
415740699227411,2259cyclictest4170059-21kworker/3:1+events19:53:543
415740099227212,2258cyclictest13417-21kworker/1:0+events22:16:481
41574039922669,2253cyclictest4162084-21kworker/2:0+events19:35:482
415739799226211,2247cyclictest5460-21kworker/0:0+events21:22:540
415739799226210,2249cyclictest48589-21kworker/0:2+events23:32:530
415740399226011,2246cyclictest4181550-21kworker/2:1+events20:32:252
415740099225711,2242cyclictest59988-21kworker/1:0+events00:12:091
415739799225610,2243cyclictest4175045-21kworker/0:2+events20:28:150
415739799225511,2240cyclictest4156896-21kworker/0:0+events19:28:130
415740099225411,2240cyclictest13417-21kworker/1:0+events22:22:281
415740099225211,2239cyclictest13417-21kworker/1:0+events22:10:191
415740399224811,2234cyclictest4178693-21kworker/2:2+events20:20:412
415739799224511,2230cyclictest4186717-21kworker/0:2+events20:49:320
415739799223911,2225cyclictest45399-21kworker/0:0+events23:36:430
415739799223612,2221cyclictest34954-21kworker/0:1+events23:12:120
415740099223411,2219cyclictest59988-21kworker/1:0+events00:29:331
415740699223312,2217cyclictest27976-21kworker/3:2+events22:29:433
41574069922249,2212cyclictest6973-21kworker/3:0+events21:48:143
415739799222410,2210cyclictest64729-21kworker/0:0+events00:30:190
415740699220911,2194cyclictest53683-21kworker/3:2+events23:50:483
415740699220712,2192cyclictest58917-21kworker/3:0+events00:13:203
415739799220511,2191cyclictest4175045-21kworker/0:2+events20:08:080
415740399220411,2190cyclictest37499-21kworker/2:1+events22:58:352
415740099220310,2190cyclictest4181699-21kworker/1:2+events20:39:171
41574069921959,2183cyclictest29588-21kworker/3:0+events22:33:313
415740399219112,2176cyclictest37499-21kworker/2:1+events23:01:152
41574009921839,2171cyclictest28379-21kworker/1:0+events22:41:291
41574069921785,2170cyclictest4148830-21kworker/3:1+events19:23:143
415740699217611,2163cyclictest4171679-21kworker/3:0+events19:55:003
415740699217510,2162cyclictest58917-21kworker/3:0+events00:32:573
415740099217410,2161cyclictest48628-21kworker/1:1+events23:38:581
415739799216511,2150cyclictest27993-21kworker/0:2+events22:28:330
41574039921469,2134cyclictest4168589-21kworker/2:0+events19:44:062
415740699214212,2127cyclictest21402-21kworker/3:0+events22:14:533
415739799214211,2128cyclictest66357-21kworker/0:1+events00:28:230
415740099213811,2123cyclictest34419-21kworker/1:1+events22:49:281
415740399213011,2115cyclictest47148-21kworker/2:2+events23:30:202
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415740399212711,2113cyclictest51997-21kworker/2:1+events23:47:002
415739799212711,2113cyclictest8716-21kworker/0:0+events21:35:270
415739799212710,2113cyclictest55361-21kworker/0:1+events00:02:200
415739799212611,2111cyclictest37469-21kworker/0:0+events22:57:260
415740699212510,2112cyclictest40758-21kworker/3:0+events23:13:423
415740399212211,2108cyclictest43745-21kworker/2:2+events23:20:292
415740099212110,2107cyclictest10260-21kworker/1:2+events21:36:331
415739799212111,2107cyclictest13209-21kworker/0:2+events21:52:240
415740399212011,2105cyclictest4104-21kworker/2:2+events21:53:572
415739799212011,2105cyclictest34954-21kworker/0:1+events23:03:540
415739799212010,2106cyclictest29605-21kworker/0:0+events22:37:150
41574039921199,2106cyclictest31405-21kworker/2:2+events22:50:362
415739799211910,2106cyclictest2192-21kworker/0:0+events21:08:570
415739799211811,2104cyclictest22652-21kworker/0:0+events22:20:570
41574009921179,2105cyclictest4181699-21kworker/1:2+events20:31:171
41573979921177,2106cyclictest55361-21kworker/0:1+events23:59:370
415740699211610,2104cyclictest2257-21kworker/3:1+events21:10:043
415740399211611,2102cyclictest16584-21kworker/2:0+events22:23:372
415740399211611,2101cyclictest47148-21kworker/2:2+events23:35:382
415740099211611,2102cyclictest53747-21kworker/1:1+events23:49:411
415740099211611,2102cyclictest4188169-21kworker/1:1+events20:49:551
415740099211611,2102cyclictest4163912-21kworker/1:0+events19:31:161
415740099211611,2102cyclictest13417-21kworker/1:0+events22:00:481
415740099211511,2101cyclictest6930-21kworker/1:1+events21:43:451
415740099211511,2100cyclictest40819-21kworker/1:1+events23:18:161
415740099211311,2099cyclictest4189804-21kworker/1:2+events21:00:121
415740099211310,2099cyclictest3711-21kworker/1:0+events21:11:581
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415740099210811,2094cyclictest24496-21kworker/1:2+events22:27:491
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41574009921068,2095cyclictest4170005-21kworker/1:0+events20:08:291
415740699210511,2091cyclictest365-21kworker/3:0+events21:08:333
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