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2026-04-05 - 16:02

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 all highest latencies:
System rackfslot7s.osadl.org (updated Sun Apr 05, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
65328899361717,3594cyclictest710229-21kworker/2:1+events22:10:142
65328699314215,3122cyclictest654498-21kworker/1:0+events19:20:181
65328299300110,2987cyclictest739988-21kworker/0:1+events23:40:190
65328299295215,2933cyclictest654467-21kworker/0:2+events19:15:000
65328899289014,2872cyclictest703276-21kworker/2:2+events22:05:212
65328899278913,2771cyclictest740203-21kworker/2:2+events23:45:182
65328699269813,2681cyclictest722508-21kworker/1:1+events22:55:151
65328899266212,2646cyclictest658099-21kworker/2:0+events19:26:002
65328699263813,2623cyclictest692007-21kworker/1:2+events21:10:191
65328699263413,2618cyclictest682380-21kworker/1:0+events20:40:101
65328699263012,2615cyclictest695212-21kworker/1:1+events21:19:461
65328299262310,2609cyclictest746584-21kworker/0:1+events00:00:130
65328699260412,2588cyclictest751456-21kworker/1:0+events00:19:161
65328699257612,2560cyclictest713075-21kworker/1:1+events22:15:141
65328299256612,2551cyclictest744918-21kworker/0:2+events00:13:310
65328299256612,2551cyclictest744918-21kworker/0:2+events00:13:310
65328899253512,2519cyclictest720137-21kworker/2:1+events22:43:472
65328299253512,2519cyclictest744918-21kworker/0:2+events00:15:290
65328899253212,2517cyclictest743526-21kworker/2:0+events00:20:242
65328899253210,2518cyclictest720137-21kworker/2:1+events22:45:422
65328899253112,2516cyclictest743526-21kworker/2:0+events23:57:322
65328899252911,2514cyclictest698291-21kworker/2:1+events21:28:312
65329399252813,2513cyclictest735217-21kworker/3:2+events23:30:013
65328699251812,2502cyclictest662937-21kworker/1:1+events19:46:281
65328699251014,2493cyclictest664822-21kworker/1:2+events19:50:151
65328899250410,2490cyclictest738569-21kworker/2:1+events23:54:282
65328699250112,2486cyclictest724095-21kworker/1:0+events22:49:291
65328699250111,2486cyclictest662937-21kworker/1:1+events19:42:591
65328699249812,2482cyclictest736755-21kworker/1:0+events23:32:431
65328699249712,2483cyclictest744887-21kworker/1:1+events23:57:081
65328699249712,2481cyclictest680743-21kworker/1:1+events20:46:191
65328299249714,2479cyclictest759147-21kworker/0:0+events00:38:280
6532889924969,2484cyclictest751422-21kworker/2:1+events00:15:502
65328699249612,2481cyclictest748232-21kworker/1:1+events00:12:221
65328699249612,2481cyclictest748232-21kworker/1:1+events00:12:221
65328699249512,2479cyclictest717525-21kworker/1:0+events22:26:431
65328299249512,2480cyclictest711474-21kworker/0:1+events22:12:550
65328699249412,2478cyclictest714681-21kworker/1:2+events22:31:181
65328699249412,2478cyclictest696846-21kworker/1:0+events21:27:471
65328299249412,2478cyclictest727019-21kworker/0:2+events23:24:210
65328299249412,2478cyclictest708043-21kworker/0:0+events22:06:290
65328299249312,2478cyclictest685671-21kworker/0:0+events20:50:500
65328699249212,2476cyclictest754384-21kworker/1:2+events00:23:071
65328299249212,2476cyclictest713104-21kworker/0:0+events22:30:310
65328299249212,2476cyclictest698532-21kworker/0:2+events21:39:580
65328699249112,2476cyclictest728637-21kworker/1:0+events23:03:301
65328699249012,2474cyclictest674315-21kworker/1:2+events20:18:281
65328699249012,2474cyclictest670900-21kworker/1:0+events20:08:291
65328299249011,2476cyclictest672588-21kworker/0:2+events20:09:150
65328699248912,2473cyclictest705018-21kworker/1:2+events21:57:481
65328699248912,2473cyclictest696846-21kworker/1:0+events21:41:291
65329399248812,2472cyclictest730271-21kworker/3:0+events23:07:223
65328699248812,2473cyclictest743220-21kworker/1:2+events23:52:551
65328699248812,2473cyclictest705018-21kworker/1:2+events21:54:221
65328299248812,2472cyclictest708043-21kworker/0:0+events21:59:170
65328299248811,2474cyclictest695179-21kworker/0:1+events21:17:310
65328699248712,2471cyclictest679108-21kworker/1:2+events20:36:421
65328299248712,2472cyclictest732023-21kworker/0:0+events23:17:390
65328299248712,2472cyclictest685671-21kworker/0:0+events20:59:170
65328299248712,2472cyclictest664614-21kworker/0:1+events19:46:510
65328299248712,2472cyclictest664614-21kworker/0:1+events19:44:550
65328699248612,2471cyclictest754560-21kworker/1:3+events00:37:421
65328699248612,2470cyclictest698443-21kworker/1:1+events21:30:271
65328299248612,2471cyclictest727019-21kworker/0:2+events23:25:510
65328299248612,2471cyclictest688934-21kworker/0:2+events21:01:590
65328299248512,2470cyclictest744918-21kworker/0:2+events00:07:470
65328699248412,2469cyclictest679108-21kworker/1:2+events20:34:011
65328299248012,2464cyclictest720883-21kworker/0:1+events23:00:280
65328299247912,2464cyclictest675892-21kworker/0:1+events20:27:330
65328699247512,2459cyclictest756269-21kworker/1:0+events00:32:211
65328299247312,2458cyclictest648047-21kworker/0:1+events19:23:420
65328299247212,2456cyclictest714712-21kworker/0:2+events22:22:530
65328699247112,2456cyclictest714681-21kworker/1:2+events22:37:411
65328699247011,2455cyclictest654498-21kworker/1:0+events19:39:131
65328699246812,2453cyclictest696846-21kworker/1:0+events21:23:381
65328699246312,2448cyclictest670900-21kworker/1:0+events20:22:411
65328899246212,2447cyclictest749593-21kworker/2:2+events00:11:592
65328899246212,2447cyclictest749593-21kworker/2:2+events00:11:592
65328699245911,2445cyclictest672649-21kworker/1:1+events20:12:441
65329399245412,2438cyclictest659900-21kworker/3:0+events19:49:293
65328899245311,2439cyclictest675741-21kworker/2:0+events20:26:042
65328899245012,2434cyclictest757606-21kworker/2:2+events00:37:182
65328899244811,2434cyclictest703276-21kworker/2:2+events22:17:542
65328699244812,2433cyclictest735038-21kworker/1:1+events23:22:521
65328899244712,2431cyclictest727285-21kworker/2:0+events23:18:232
65328899244610,2432cyclictest685702-21kworker/2:2+events21:24:482
65328899244512,2429cyclictest674074-21kworker/2:2+events20:17:422
65328899244511,2432cyclictest716251-21kworker/2:0+events22:30:092
6532889924449,2432cyclictest703276-21kworker/2:2+events21:48:172
65328899244411,2430cyclictest653171-21kworker/2:1+events19:34:452
65328899244311,2429cyclictest684069-21kworker/2:0+events20:47:042
6532889924429,2430cyclictest727285-21kworker/2:0+events23:14:372
65328899244212,2427cyclictest682318-21kworker/2:2+events20:37:522
65328899244112,2425cyclictest698291-21kworker/2:1+events21:52:282
6532889924369,2424cyclictest674074-21kworker/2:2+events20:13:512
65328899242712,2411cyclictest738569-21kworker/2:1+events23:34:582
65329399242412,2409cyclictest690530-21kworker/3:2+events21:06:543
65328899241712,2403cyclictest684069-21kworker/2:0+events20:55:032
65329399241310,2399cyclictest693913-21kworker/3:1+events21:32:203
65328699241311,2397cyclictest654498-21kworker/1:0+events19:25:151
65328299241312,2397cyclictest720883-21kworker/0:1+events22:41:310
65329399241111,2397cyclictest675775-21kworker/3:2+events20:40:563
65328699241011,2395cyclictest692007-21kworker/1:2+events21:08:271
65328899240912,2394cyclictest692250-21kworker/2:1+events21:12:352
65328899240911,2395cyclictest743526-21kworker/2:0+events00:32:002
6532829924089,2398cyclictest752886-21kworker/0:1+events00:20:010
6532939924059,2392cyclictest741709-21kworker/3:2+events23:44:323
65328899240212,2387cyclictest698291-21kworker/2:1+events21:38:262
65329399240012,2385cyclictest666218-21kworker/3:2+events20:05:283
65328699239911,2384cyclictest728637-21kworker/1:0+events23:05:491
65328299239912,2383cyclictest685671-21kworker/0:0+events21:14:300
65329399239812,2383cyclictest698412-21kworker/3:2+events21:36:553
65329399239812,2382cyclictest740047-21kworker/3:0+events23:54:063
65329399239812,2382cyclictest712862-21kworker/3:0+events22:12:323
65329399239811,2383cyclictest711235-21kworker/3:2+events22:08:003
6532939923978,2386cyclictest730271-21kworker/3:0+events23:18:023
65329399239612,2381cyclictest714778-21kworker/3:1+events22:37:203
65329399239611,2382cyclictest686974-21kworker/3:1+events20:57:013
65329399239611,2382cyclictest658250-21kworker/3:2+events19:31:193
65329399239512,2380cyclictest751361-21kworker/3:2+events00:17:233
65329399239512,2379cyclictest675775-21kworker/3:2+events20:34:473
65329399239512,2379cyclictest652901-21kworker/3:0+events19:19:083
65329399239510,2382cyclictest759269-21kworker/3:2+events00:38:503
65329399239411,2380cyclictest722451-21kworker/3:2+events23:13:263
65329399239312,2378cyclictest722451-21kworker/3:2+events23:01:143
65329399238211,2368cyclictest662731-21kworker/3:1+events19:40:453
65329399238111,2367cyclictest703309-21kworker/3:0+events21:50:343
65328299237512,2359cyclictest674228-21kworker/0:0+events20:19:360
65328899237112,2355cyclictest703276-21kworker/2:2+events22:02:412
65329399236511,2350cyclictest675775-21kworker/3:2+events20:23:043
65329399236112,2345cyclictest671108-21kworker/3:0+events20:04:423
6532889923569,2344cyclictest666338-21kworker/2:1+events19:54:482
65329399235410,2341cyclictest696753-21kworker/3:0+events21:22:073
65328699235310,2339cyclictest743220-21kworker/1:2+events00:01:461
65328299234312,2327cyclictest727019-21kworker/0:2+events23:13:500
65329399234012,2325cyclictest720821-21kworker/3:0+events22:42:403
65328899233411,2319cyclictest727285-21kworker/2:0+events23:09:162
65328699233412,2319cyclictest748232-21kworker/1:1+events00:25:481
65328699233112,2316cyclictest669275-21kworker/1:1+events20:00:311
6532939923288,2316cyclictest684173-21kworker/3:0+events20:48:373
65329399232812,2312cyclictest675775-21kworker/3:2+events20:51:143
65328699232412,2308cyclictest705018-21kworker/1:2+events22:01:561
65328299232311,2309cyclictest682193-21kworker/0:2+events20:37:060
65328299232211,2309cyclictest722895-21kworker/0:0+events22:50:170
65329399231811,2304cyclictest698412-21kworker/3:2+events21:40:443
65328699231611,2302cyclictest706620-21kworker/1:0+events22:08:441
65328699231511,2301cyclictest713075-21kworker/1:1+events22:23:391
6532829923117,2301cyclictest744918-21kworker/0:2+events23:59:280
65328699230412,2288cyclictest714681-21kworker/1:2+events22:43:241
65328699230210,2288cyclictest676503-21kworker/1:1+events20:25:211
65328899230110,2287cyclictest743526-21kworker/2:0+events00:07:002
6532829922949,2282cyclictest720883-21kworker/0:1+events22:55:360
6532869922899,2277cyclictest696846-21kworker/1:0+events21:38:501
65328299227912,2264cyclictest727019-21kworker/0:2+events23:30:230
65328299227910,2265cyclictest666248-21kworker/0:2+events19:50:380
6532939922789,2266cyclictest725655-21kworker/3:0+events22:54:063
65329399227612,2260cyclictest740047-21kworker/3:0+events23:38:023
65328299227511,2262cyclictest698532-21kworker/0:2+events21:30:030
65328299227511,2260cyclictest674228-21kworker/0:0+events20:23:500
6532869922739,2260cyclictest743220-21kworker/1:2+events00:06:361
6532869922729,2260cyclictest705018-21kworker/1:2+events21:49:281
65328699226911,2255cyclictest664822-21kworker/1:2+events19:59:221
65328299226810,2254cyclictest679623-21kworker/0:0+events20:30:370
65328699226611,2251cyclictest740235-21kworker/1:0+events23:49:061
65328299226611,2252cyclictest696906-21kworker/0:0+events21:25:310
65328299226511,2251cyclictest727019-21kworker/0:2+events23:39:350
65328299226511,2251cyclictest682193-21kworker/0:2+events20:46:410
65328699226210,2249cyclictest651238-21kworker/1:1+events19:14:371
65328299226210,2249cyclictest711474-21kworker/0:1+events22:16:250
65328299226210,2249cyclictest648047-21kworker/0:1+events19:27:310
65328699226111,2248cyclictest685616-21kworker/1:2+events21:00:021
65328299226010,2246cyclictest719283-21kworker/0:2+events22:39:130
65328699225910,2246cyclictest740235-21kworker/1:0+events23:39:571
65328699225811,2244cyclictest685616-21kworker/1:2+events20:55:501
6532829922589,2246cyclictest701773-21kworker/0:0+events21:49:490
65328899225711,2242cyclictest667998-21kworker/2:0+events19:55:352
6532869922569,2244cyclictest654498-21kworker/1:0+events19:30:581
65328899225511,2240cyclictest690590-21kworker/2:0+events21:05:242
6532869922558,2243cyclictest656511-21kworker/1:2+events19:19:301
6532829922546,2245cyclictest667968-21kworker/0:1+events19:59:440
6532939922518,2240cyclictest654614-21kworker/3:1+events19:21:263
65329399225012,2235cyclictest751361-21kworker/3:2+events00:29:413
6532829922499,2237cyclictest695179-21kworker/0:1+events21:23:160
6532889922479,2236cyclictest685702-21kworker/2:2+events20:50:062
65328899224711,2233cyclictest725685-21kworker/2:1+events22:54:292
65328899224511,2231cyclictest666338-21kworker/2:1+events20:01:412
65329399224111,2227cyclictest671108-21kworker/3:0+events20:13:083
65328899224010,2227cyclictest743526-21kworker/2:0+events00:01:212
65328899223913,2223cyclictest701653-21kworker/2:0+events21:41:062
65328899223810,2224cyclictest743526-21kworker/2:0+events00:26:112
65329399223712,2221cyclictest744767-21kworker/3:1+events00:09:193
65328899223712,2222cyclictest699956-21kworker/2:2+events21:33:532
65328899223710,2223cyclictest736634-21kworker/2:0+events23:27:432
65328899223710,2223cyclictest675741-21kworker/2:0+events20:20:452
65328899223610,2222cyclictest732098-21kworker/2:1+events23:22:302
6532889922358,2224cyclictest688902-21kworker/2:1+events21:01:352
65328899223510,2222cyclictest717888-21kworker/2:2+events22:35:272
65328899223510,2222cyclictest661399-21kworker/2:2+events19:37:222
65328899223310,2220cyclictest738569-21kworker/2:1+events23:43:452
65328899222910,2215cyclictest724022-21kworker/2:2+events22:57:272
65328899222411,2210cyclictest736634-21kworker/2:0+events23:35:432
65328899222410,2211cyclictest666338-21kworker/2:1+events20:05:502
65328899222311,2209cyclictest677781-21kworker/2:1+events20:44:252
65328899222310,2210cyclictest703276-21kworker/2:2+events22:20:332
65328299222010,2207cyclictest720883-21kworker/0:1+events22:49:070
6532889922189,2206cyclictest727285-21kworker/2:0+events23:04:152
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65329399221412,2199cyclictest703309-21kworker/3:0+events22:00:473
65328899221311,2198cyclictest661399-21kworker/2:2+events19:42:172
65328699220411,2190cyclictest730224-21kworker/1:1+events23:10:241
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6532939922008,2188cyclictest671108-21kworker/3:0+events20:29:543
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65329399219810,2186cyclictest749506-21kworker/3:0+events00:10:063
65329399219810,2186cyclictest749506-21kworker/3:0+events00:10:053
65329399219711,2184cyclictest754688-21kworker/3:1+events00:31:123
65329399219710,2184cyclictest680920-21kworker/3:1+events20:39:463
65328299219711,2183cyclictest754658-21kworker/0:0+events00:28:540
65329399219610,2183cyclictest652901-21kworker/3:0+events19:14:153
65329399219510,2181cyclictest720821-21kworker/3:0+events22:47:143
65329399219411,2180cyclictest662731-21kworker/3:1+events19:38:283
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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