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2026-09-04 - 15:12

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 376 highest latencies:
System rackfslot7s.osadl.org (updated Fri Sep 04, 2026 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146186399320416,3186cyclictest1487656-21kworker/2:2+events20:50:052
146186699308315,3062cyclictest1478135-21kworker/3:0+events20:05:213
146185699308214,3063cyclictest1550483-21kworker/0:2+events23:45:110
146186699298815,2968cyclictest1508497-21kworker/3:2+events21:35:153
146186399296113,2944cyclictest1516743-21kworker/2:0+events22:10:152
146186099294114,2923cyclictest1485780-21kworker/1:0+events20:30:161
146186399291614,2898cyclictest1559312-21kworker/2:1+events00:10:182
146185699290314,2884cyclictest1511427-21kworker/0:0+events21:45:110
146186399289614,2877cyclictest1516743-21kworker/2:0+events22:05:202
146186399287114,2853cyclictest1476296-21kworker/2:1+events19:55:212
146186399286513,2847cyclictest1501733-21kworker/2:0+events21:25:022
146186099283113,2814cyclictest1500023-21kworker/1:2+events21:15:341
146186699280213,2787cyclictest1532858-21kworker/3:0+events22:55:013
146186399279913,2781cyclictest1501733-21kworker/2:0+events21:15:122
146186099279313,2776cyclictest1546026-21kworker/1:1+events23:35:171
146186099278413,2767cyclictest1542562-21kworker/1:2+events23:25:201
146186699278313,2765cyclictest1481424-21kworker/3:2+events20:20:163
146185699276312,2747cyclictest1473187-21kworker/0:0+events19:50:480
146186099268112,2665cyclictest1520010-21kworker/1:2+events22:16:221
146186399266313,2646cyclictest1547706-21kworker/2:3+events00:05:202
146185699265311,2638cyclictest1503284-21kworker/0:0+events21:23:080
146185699264113,2624cyclictest1550483-21kworker/0:2+events23:42:550
146185699264112,2625cyclictest1481327-21kworker/0:2+events20:25:200
146186099257912,2563cyclictest1503470-21kworker/1:0+events21:31:051
146186699257712,2562cyclictest1510389-21kworker/3:1+events21:42:293
146186699257712,2561cyclictest1506830-21kworker/3:0+events21:29:113
146186099257312,2557cyclictest1535943-21kworker/1:0+events23:05:561
146186699257112,2555cyclictest1537815-21kworker/3:0+events23:09:013
146186699256812,2552cyclictest1528275-21kworker/3:2+events22:43:383
146186699256412,2549cyclictest1487446-21kworker/3:2+events20:29:073
146186699256312,2548cyclictest1547610-21kworker/3:0+events23:41:003
146186699256011,2545cyclictest1498663-21kworker/3:2+events21:06:023
146185699256012,2545cyclictest1468656-21kworker/0:2+events19:49:400
146186099255811,2543cyclictest1493946-21kworker/1:1+events20:52:421
146186099255811,2543cyclictest1489083-21kworker/1:2+events20:48:581
146186099255612,2541cyclictest1559330-21kworker/1:2+events00:15:341
146186699255412,2538cyclictest1473246-21kworker/3:1+events20:04:343
146186699255311,2538cyclictest1525014-21kworker/3:0+events22:36:463
146186699255212,2536cyclictest1547610-21kworker/3:0+events23:59:183
146186699255212,2536cyclictest1478135-21kworker/3:0+events20:15:163
146186099255212,2537cyclictest1565422-21kworker/1:1+events00:36:311
146186099255212,2536cyclictest1529753-21kworker/1:1+events22:40:581
146186099255112,2537cyclictest1520010-21kworker/1:2+events23:00:181
146186099255112,2535cyclictest1503470-21kworker/1:0+events21:20:271
146186699254512,2529cyclictest1497008-21kworker/3:0+events20:58:463
14618609925439,2530cyclictest1511786-21kworker/1:0+events22:07:361
146186099254112,2525cyclictest1546026-21kworker/1:1+events23:45:591
146186099254112,2525cyclictest1493946-21kworker/1:1+events20:58:251
146186699253812,2523cyclictest1503599-21kworker/3:1+events21:32:143
146186099253611,2522cyclictest1481269-21kworker/1:1+events20:10:361
146186099253512,2519cyclictest1461683-21kworker/1:2+events19:22:131
146186399253411,2519cyclictest1493681-21kworker/2:0+events20:46:422
146186099253012,2515cyclictest1481269-21kworker/1:1+events20:16:031
146186699252811,2513cyclictest1489081-21kworker/3:1+events20:36:043
146186099252612,2510cyclictest1489083-21kworker/1:2+events20:37:581
146186699252412,2508cyclictest1525014-21kworker/3:0+events22:33:443
146186099251912,2503cyclictest1476314-21kworker/1:2+events20:02:391
146185699251912,2503cyclictest1543977-21kworker/0:0+events23:24:350
146186699251212,2497cyclictest1510389-21kworker/3:1+events21:49:033
146186699250410,2491cyclictest1489081-21kworker/3:1+events20:41:473
14618609925009,2488cyclictest1555772-21kworker/1:1+events00:14:051
146186099250011,2485cyclictest1495672-21kworker/1:0+events21:10:321
146186699249912,2483cyclictest1545970-21kworker/3:1+events23:30:213
146186699249912,2483cyclictest1518358-21kworker/3:1+events22:15:143
146186099249712,2481cyclictest1507065-21kworker/1:2+events21:39:061
146186699249612,2480cyclictest1547610-21kworker/3:0+events23:35:393
146186699249612,2480cyclictest1489081-21kworker/3:1+events20:48:153
146186099249612,2480cyclictest1539297-21kworker/1:2+events23:11:391
146186699249512,2480cyclictest1465806-21kworker/3:0+events19:45:293
146186699249512,2479cyclictest1547610-21kworker/3:0+events23:48:593
146186699249512,2479cyclictest1478135-21kworker/3:0+events20:00:003
146186699249512,2479cyclictest1474894-21kworker/3:2+events19:54:353
146186399249512,2479cyclictest1554147-21kworker/2:1+events00:01:552
14618609924954,2488cyclictest1537619-21kworker/1:1+events23:17:241
146186099249512,2479cyclictest1550631-21kworker/1:0+events23:53:101
146186699249412,2478cyclictest1518358-21kworker/3:1+events22:08:213
146186699249412,2478cyclictest1478135-21kworker/3:0+events20:11:223
146186399249412,2479cyclictest1503318-21kworker/2:2+events21:21:352
146186099249412,2478cyclictest1511786-21kworker/1:0+events21:48:181
146186699249312,2478cyclictest1463235-21kworker/3:2+events19:25:193
146186699249312,2477cyclictest1565794-21kworker/3:2+events00:37:163
146186699249312,2477cyclictest1463235-21kworker/3:2+events19:22:373
146186099249311,2478cyclictest1515107-21kworker/1:1+events21:53:541
146186699249111,2477cyclictest1465806-21kworker/3:0+events19:42:273
146186099249112,2475cyclictest1493946-21kworker/1:1+events21:04:311
146186699249012,2475cyclictest1547610-21kworker/3:0+events23:54:193
146186699249012,2475cyclictest1534459-21kworker/3:2+events23:04:043
146186699249012,2475cyclictest1471593-21kworker/3:2+events19:37:553
146186699249011,2475cyclictest1469989-21kworker/3:1+events19:32:103
146186099249012,2474cyclictest1555772-21kworker/1:1+events00:09:541
146186099248912,2474cyclictest1540929-21kworker/1:0+events23:24:131
146186099248912,2474cyclictest1520010-21kworker/1:2+events22:39:531
146186099248912,2474cyclictest1520010-21kworker/1:2+events22:26:331
146186099248912,2474cyclictest1511786-21kworker/1:0+events21:59:591
146186099248911,2475cyclictest1465365-21kworker/1:3+events19:35:581
146186099248910,2475cyclictest1465365-21kworker/1:3+events19:26:071
146186699248811,2474cyclictest1520074-21kworker/3:0+events22:12:533
146186699248810,2475cyclictest1516740-21kworker/3:2+events22:02:143
146186099248812,2472cyclictest1520010-21kworker/1:2+events22:47:021
146186099248811,2473cyclictest1505089-21kworker/1:1+events21:27:371
146186099248711,2472cyclictest1470080-21kworker/1:1+events19:34:041
146185699248712,2471cyclictest1470528-21kworker/0:1+events19:40:130
146186699248611,2472cyclictest1525014-21kworker/3:0+events22:29:323
146186099248612,2472cyclictest1478013-21kworker/1:0+events20:06:531
146186099248412,2469cyclictest1552483-21kworker/1:3+events00:01:081
146186099248411,2469cyclictest1481269-21kworker/1:1+events20:25:421
146186099248311,2469cyclictest1520010-21kworker/1:2+events22:55:471
14618669924829,2470cyclictest1556049-21kworker/3:1+events00:21:393
146185699248012,2464cyclictest1539477-21kworker/0:1+events23:11:180
146186099247911,2465cyclictest1515107-21kworker/1:1+events22:01:291
146186399247813,2461cyclictest1511396-21kworker/2:1+events21:55:502
146186699247712,2461cyclictest1540869-21kworker/3:1+events23:18:063
146186699247312,2458cyclictest1542470-21kworker/3:0+events23:23:263
146186099247111,2456cyclictest1561003-21kworker/1:0+events00:29:191
146186699247012,2454cyclictest1500293-21kworker/3:0+events21:14:483
146186099246712,2451cyclictest1490695-21kworker/1:1+events20:40:391
146186399246112,2446cyclictest1533623-21kworker/2:2+events23:01:262
146186399246112,2445cyclictest1559312-21kworker/2:1+events00:20:522
14618609924588,2447cyclictest1550631-21kworker/1:0+events23:43:191
146186399245712,2442cyclictest1487656-21kworker/2:2+events20:56:062
146185699245412,2439cyclictest1476437-21kworker/0:1+events20:14:300
146186099245312,2437cyclictest1533177-21kworker/1:1+events22:54:141
146186099245312,2437cyclictest1478013-21kworker/1:0+events19:58:261
146186699245212,2436cyclictest1563836-21kworker/3:0+events00:34:353
146186399244913,2433cyclictest1498537-21kworker/2:1+events21:12:292
146185699244310,2429cyclictest1468656-21kworker/0:2+events19:33:410
146186399243712,2422cyclictest1506850-21kworker/2:2+events21:31:512
146186399243712,2421cyclictest1516743-21kworker/2:0+events22:50:282
14618639924366,2427cyclictest1545927-21kworker/2:2+events23:29:572
146186699243112,2415cyclictest1542470-21kworker/3:0+events23:28:053
146185699242512,2409cyclictest1494096-21kworker/0:1+events20:51:360
146186099242411,2410cyclictest1481269-21kworker/1:1+events20:20:401
14618569924248,2412cyclictest1562329-21kworker/0:1+events00:22:030
146186399242111,2407cyclictest1557724-21kworker/2:0+events00:19:222
146186399241512,2399cyclictest1565380-21kworker/2:0+events00:27:232
146185699241512,2400cyclictest1559002-21kworker/0:2+events00:08:220
14618569924148,2402cyclictest1504974-21kworker/0:2+events21:31:280
146186399241312,2398cyclictest1511396-21kworker/2:1+events21:42:082
14618569924139,2400cyclictest1545937-21kworker/0:1+events23:56:350
146186399241210,2398cyclictest1516743-21kworker/2:0+events22:38:432
146185699241212,2397cyclictest1559002-21kworker/0:2+events00:10:390
146185699241212,2397cyclictest1556232-21kworker/0:0+events00:17:520
146186399241112,2395cyclictest1516743-21kworker/2:0+events22:41:452
146186399241110,2397cyclictest1489267-21kworker/2:0+events20:38:462
146185699241112,2395cyclictest1504974-21kworker/0:2+events21:29:570
146186399241012,2394cyclictest1484391-21kworker/2:1+events20:24:552
146186399240910,2396cyclictest1463026-21kworker/2:2+events19:16:062
146185699240912,2394cyclictest1461280-21kworker/0:0+events19:29:300
146185699240912,2393cyclictest1515286-21kworker/0:0+events21:56:380
14618639924089,2396cyclictest1545927-21kworker/2:2+events23:33:002
146186399240812,2393cyclictest1515150-21kworker/2:2+events21:52:032
146186399240712,2391cyclictest1513252-21kworker/2:0+events21:49:272
14618569924069,2394cyclictest1542317-21kworker/0:2+events23:28:270
14618669924049,2391cyclictest1495378-21kworker/3:2+events20:53:043
146185699240410,2391cyclictest1545937-21kworker/0:1+events23:37:570
146186699240312,2388cyclictest1556049-21kworker/3:1+events00:25:483
146185699240312,2387cyclictest1562329-21kworker/0:1+events00:33:040
146185699240212,2386cyclictest1492377-21kworker/0:2+events21:13:390
14618569924009,2388cyclictest1535973-21kworker/0:2+events23:02:310
146185699239710,2384cyclictest1511427-21kworker/0:0+events21:43:160
146186399239312,2378cyclictest1544029-21kworker/2:0+events23:39:512
146186399239312,2377cyclictest1481147-21kworker/2:1+events20:08:202
146185699239112,2375cyclictest1516948-21kworker/0:2+events22:01:060
146185699239012,2374cyclictest1476437-21kworker/0:1+events20:06:060
146186699237912,2365cyclictest1531260-21kworker/3:1+events22:50:043
146185699237612,2361cyclictest1492377-21kworker/0:2+events20:46:200
146186699236911,2354cyclictest1487446-21kworker/3:2+events20:32:573
146186099236712,2352cyclictest1510043-21kworker/1:1+events21:44:021
146186099236710,2353cyclictest1463942-21kworker/1:1+events19:16:521
146186399236211,2349cyclictest1468628-21kworker/2:1+events19:45:052
146186399236112,2345cyclictest1518389-21kworker/2:2+events22:03:472
146186399236111,2346cyclictest1496887-21kworker/2:0+events21:01:492
146186399236012,2345cyclictest1516743-21kworker/2:0+events22:18:382
146186399236012,2345cyclictest1500140-21kworker/2:2+events21:08:152
146186399235812,2343cyclictest1547706-21kworker/2:3+events23:55:472
146186699235210,2338cyclictest1501928-21kworker/3:2+events21:23:303
146185699235211,2338cyclictest1492377-21kworker/0:2+events20:44:490
146185699235012,2335cyclictest1534374-21kworker/0:1+events22:56:100
146186399234912,2333cyclictest1552273-21kworker/2:0+events23:52:472
146185699234612,2331cyclictest1498694-21kworker/0:1+events21:05:140
146185699234512,2330cyclictest1504974-21kworker/0:2+events21:35:390
146185699234510,2331cyclictest1488963-21kworker/0:0+events20:36:260
146186399234112,2325cyclictest1566974-21kworker/2:2+events00:36:092
146185699234011,2326cyclictest1476437-21kworker/0:1+events20:19:070
146186399233912,2325cyclictest1523513-21kworker/2:1+events22:20:542
146186399233711,2323cyclictest1547706-21kworker/2:3+events23:44:512
146186399233312,2318cyclictest1516743-21kworker/2:0+events22:25:492
146186399233112,2315cyclictest1539209-21kworker/2:1+events23:17:462
146186399233012,2314cyclictest1516743-21kworker/2:0+events22:31:012
146186399233011,2316cyclictest1484391-21kworker/2:1+events20:27:132
146186399232912,2314cyclictest1535947-21kworker/2:1+events22:57:192
146186399232912,2313cyclictest1482780-21kworker/2:2+events20:19:292
146185699232912,2313cyclictest1524985-21kworker/0:0+events22:28:250
14618639923285,2319cyclictest1566974-21kworker/2:2+events00:32:432
146186399232812,2314cyclictest1539209-21kworker/2:1+events23:20:022
146186399232811,2314cyclictest1491133-21kworker/2:1+events20:42:102
146186399232712,2311cyclictest1468628-21kworker/2:1+events19:39:252
14618669923259,2312cyclictest1531260-21kworker/3:1+events22:48:343
146186399232512,2310cyclictest1473097-21kworker/2:0+events19:44:212
146186399232511,2311cyclictest1484391-21kworker/2:1+events20:31:262
146186399232511,2310cyclictest1481147-21kworker/2:1+events20:10:592
146186399232412,2310cyclictest1474690-21kworker/2:2+events19:50:042
146185699232411,2309cyclictest1524985-21kworker/0:0+events22:33:220
146185699232212,2308cyclictest1545937-21kworker/0:1+events00:00:250
146185699232111,2306cyclictest1518622-21kworker/0:1+events22:15:590
146185699232012,2305cyclictest1521462-21kworker/0:2+events22:11:430
146185699232012,2305cyclictest1492377-21kworker/0:2+events21:00:410
146186399231812,2302cyclictest1509765-21kworker/2:0+events21:37:572
146185699231711,2303cyclictest1542317-21kworker/0:2+events23:32:380
146185699231611,2302cyclictest1545937-21kworker/0:1+events23:51:120
146185699231312,2298cyclictest1484512-21kworker/0:0+events20:24:310
146185699231312,2298cyclictest1478104-21kworker/0:0+events20:00:450
146186399231211,2298cyclictest1547706-21kworker/2:3+events23:48:362
146186399230611,2291cyclictest1446577-21kworker/2:0+events19:29:092
146186699228712,2271cyclictest1489081-21kworker/3:1+events21:01:043
146186099227211,2258cyclictest1500023-21kworker/1:2+events21:09:231
146186099227111,2256cyclictest1552483-21kworker/1:3+events23:56:121
146186099227110,2258cyclictest1470080-21kworker/1:1+events19:48:331
146186699226911,2255cyclictest1501928-21kworker/3:2+events21:15:563
146186699226811,2254cyclictest1556049-21kworker/3:1+events00:01:313
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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