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2026-03-20 - 20:58

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #5, slot #3

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 or here to proceed to next system.
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.
Unexpectedly long latencies may be caused by SMIs
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 rack5slot3s.osadl.org (updated Fri Mar 20, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
276912238161,24sleep20-21swapper/207:06:262
276272222193,19sleep00-21swapper/007:05:360
278222203166,25sleep30-21swapper/307:08:093
277532203167,23sleep10-21swapper/107:07:141
1854321750,1sleep00-21swapper/010:25:170
830021280,1sleep10-21swapper/111:15:231
280669910991,15cyclictest20365-21chrt08:02:553
280669910991,15cyclictest20365-21chrt08:02:553
2806699109105,3cyclictest0-21swapper/311:35:523
2806699109105,3cyclictest0-21swapper/311:35:523
28066998380,2cyclictest0-21swapper/307:51:123
279642820,9sleep127962-21grep10:45:261
28066997167,3cyclictest0-21swapper/309:19:223
77012620,3sleep27703-21cpuspeed_turbos07:35:122
28066995855,2cyclictest0-21swapper/308:24:233
75022560,3sleep00-21swapper/008:45:250
35172540,2sleep10-21swapper/111:05:151
2806199421,28cyclictest0-21swapper/207:34:092
2806199391,14cyclictest0-21swapper/212:28:492
28066993835,2cyclictest0-21swapper/308:12:533
61932370,1sleep10-21swapper/107:30:171
28061993720,3cyclictest0-21swapper/207:13:012
2806199361,10cyclictest0-21swapper/208:32:482
28061993520,6cyclictest0-21swapper/212:13:212
2806199351,12cyclictest0-21swapper/210:44:472
2806199341,9cyclictest0-21swapper/208:39:512
2805499341,12cyclictest0-21swapper/109:32:531
2806199331,19cyclictest0-21swapper/211:53:412
2806199331,10cyclictest0-21swapper/208:24:192
2806199331,10cyclictest0-21swapper/208:17:472
147992330,4sleep121-21rcuc/111:30:191
28066993228,3cyclictest0-21swapper/308:46:073
2806699322,22cyclictest6259-21kworker/3:109:35:293
2806199321,9cyclictest0-21swapper/212:34:492
2806199321,8cyclictest0-21swapper/210:23:092
2806199321,8cyclictest0-21swapper/210:23:092
28061993218,3cyclictest0-21swapper/211:12:212
2806199321,11cyclictest0-21swapper/211:41:492
2806199321,10cyclictest0-21swapper/209:36:252
2806199321,10cyclictest0-21swapper/209:03:592
2805499326,8cyclictest14639-21fschecks_time07:50:131
2806199311,9cyclictest0-21swapper/210:09:372
2806199311,9cyclictest0-21swapper/209:57:452
2806199311,8cyclictest0-21swapper/210:56:412
2806199311,8cyclictest0-21swapper/210:25:092
28061993115,9cyclictest0-21swapper/211:21:532
2806199311,11cyclictest0-21swapper/210:04:532
2806199311,10cyclictest0-21swapper/210:14:592
2806199311,10cyclictest0-21swapper/208:58:232
2805499315,10cyclictest0-21swapper/111:55:131
2805499311,10cyclictest0-21swapper/108:58:501
2806199301,9cyclictest0-21swapper/211:45:412
2806199301,9cyclictest0-21swapper/209:45:332
28061993018,3cyclictest0-21swapper/211:56:572
28061993013,8cyclictest0-21swapper/212:24:372
2806199301,17cyclictest0-21swapper/209:21:182
2806199301,11cyclictest0-21swapper/211:05:452
2805499301,18cyclictest4480-21hostname08:40:161
2804699301,8cyclictest0-21swapper/009:55:230
2804699301,12cyclictest16761-21diskmemload10:30:250
2804699301,11cyclictest0-21swapper/007:58:050
2806699292,16cyclictest6259-21kworker/3:108:06:163
2806199295,7cyclictest0-21swapper/209:27:492
2806199291,12cyclictest0-21swapper/209:09:112
2806199291,10cyclictest0-21swapper/211:25:372
2805499291,8cyclictest0-21swapper/108:04:211
2805499291,8cyclictest0-21swapper/108:04:211
2805499291,18cyclictest0-21swapper/110:50:281
2805499291,10cyclictest23666-21ntpq11:50:211
2804699291,14cyclictest0-21swapper/011:35:090
2804699291,14cyclictest0-21swapper/011:35:090
2806699282,17cyclictest6259-21kworker/3:111:44:073
2806699282,10cyclictest6259-21kworker/3:110:24:593
2806699282,10cyclictest6259-21kworker/3:110:24:593
28066992814,2cyclictest6259-21kworker/3:107:25:043
2806199281,9cyclictest0-21swapper/210:34:092
2806199281,9cyclictest0-21swapper/208:54:172
2806199281,15cyclictest0-21swapper/211:01:132
2806199281,12cyclictest0-21swapper/211:36:412
2806199281,12cyclictest0-21swapper/211:36:412
2806199281,12cyclictest0-21swapper/210:52:212
2806199281,11cyclictest0-21swapper/209:19:542
2806199281,10cyclictest0-21swapper/210:45:232
2806199281,10cyclictest0-21swapper/208:12:112
2805499281,8cyclictest0-21swapper/110:22:131
2805499281,8cyclictest0-21swapper/110:22:131
2805499280,8cyclictest0-21swapper/110:39:211
2805499280,11cyclictest0-21swapper/111:47:131
2805499280,11cyclictest0-21swapper/109:16:251
2804699281,12cyclictest0-21swapper/010:04:570
297322270,2sleep011-21rcuc/010:50:210
2806699278,2cyclictest6259-21kworker/3:107:10:593
2806699272,17cyclictest6259-21kworker/3:109:07:233
2806699272,16cyclictest6259-21kworker/3:109:13:433
2806699272,16cyclictest6259-21kworker/3:109:13:433
28066992710,7cyclictest6259-21kworker/3:108:37:033
28066992710,6cyclictest6259-21kworker/3:112:18:333
28066992710,6cyclictest6259-21kworker/3:112:08:113
2806199273,3cyclictest0-21swapper/207:28:172
2806199271,9cyclictest0-21swapper/209:40:312
2806199271,8cyclictest0-21swapper/212:35:572
2806199271,17cyclictest0-21swapper/209:53:472
2806199271,17cyclictest0-21swapper/209:32:572
2806199271,16cyclictest0-21swapper/210:35:092
2806199271,10cyclictest0-21swapper/208:25:172
2805499271,7cyclictest0-21swapper/107:17:571
2805499270,10cyclictest0-21swapper/112:33:251
2804699271,9cyclictest0-21swapper/012:05:570
2804699271,12cyclictest0-21swapper/008:15:240
2804699271,10cyclictest0-21swapper/012:25:380
2804699270,12cyclictest0-21swapper/012:19:580
2804699270,11cyclictest0-21swapper/007:29:010
2806699265,7cyclictest6259-21kworker/3:109:32:073
2806699261,9cyclictest6259-21kworker/3:108:58:513
28066992611,6cyclictest6259-21kworker/3:111:06:533
2806699260,11cyclictest6259-21kworker/3:108:31:013
2806199261,9cyclictest0-21swapper/208:05:412
2806199261,16cyclictest0-21swapper/212:08:132
2806199261,11cyclictest0-21swapper/212:18:172
2806199261,11cyclictest0-21swapper/208:47:592
2806199261,10cyclictest0-21swapper/211:31:232
2806199261,10cyclictest0-21swapper/208:02:532
2806199261,10cyclictest0-21swapper/208:02:532
2806199261,10cyclictest0-21swapper/207:46:132
2805499264,10cyclictest1063-21fschecks_count11:00:141
2805499263,4cyclictest23128-21tr08:10:111
2805499261,8cyclictest0-21swapper/111:43:251
2805499261,11cyclictest0-21swapper/110:08:571
2805499260,9cyclictest0-21swapper/108:07:521
2805499260,10cyclictest0-21swapper/109:26:011
2804699261,10cyclictest16761-21diskmemload10:55:250
2804699261,10cyclictest0-21swapper/012:31:020
2804699261,10cyclictest0-21swapper/008:54:050
2804699261,10cyclictest0-21swapper/007:24:210
2804699260,11cyclictest0-21swapper/009:40:170
88932251,2sleep30-21swapper/308:50:183
2806699252,6cyclictest6259-21kworker/3:109:04:013
2806699251,8cyclictest6259-21kworker/3:107:15:523
2806199258,3cyclictest0-21swapper/207:19:172
2806199251,8cyclictest0-21swapper/212:00:052
2806199251,11cyclictest0-21swapper/207:57:572
2806199250,12cyclictest0-21swapper/211:16:342
2805499259,3cyclictest0-21swapper/110:11:131
2805499254,16cyclictest13754-40dnf07:47:511
2805499251,9cyclictest0-21swapper/109:05:211
2805499251,9cyclictest0-21swapper/107:35:361
2805499251,8cyclictest0-21swapper/108:22:401
2805499251,17cyclictest0-21swapper/107:20:261
2805499251,13cyclictest0-21swapper/112:11:331
2805499250,9cyclictest0-21swapper/111:37:171
2805499250,9cyclictest0-21swapper/111:37:171
2805499250,8cyclictest0-21swapper/112:23:011
2805499250,15cyclictest0-21swapper/109:10:251
2805499250,15cyclictest0-21swapper/109:10:251
2805499250,11cyclictest0-21swapper/111:12:571
2805499250,10cyclictest0-21swapper/110:01:251
2804699251,11cyclictest0-21swapper/008:22:200
2804699251,10cyclictest0-21swapper/011:17:050
2804699250,9cyclictest0-21swapper/008:44:070
2804699250,12cyclictest0-21swapper/008:55:370
2804699250,10cyclictest0-21swapper/011:59:410
2806699249,2cyclictest6259-21kworker/3:107:36:483
2806699245,2cyclictest6259-21kworker/3:110:06:293
2806699244,3cyclictest6259-21kworker/3:111:00:113
2806699241,8cyclictest6259-21kworker/3:110:58:413
2806699241,6cyclictest6259-21kworker/3:112:37:173
28066992410,6cyclictest6259-21kworker/3:110:18:493
28066992410,5cyclictest6259-21kworker/3:110:30:533
2806699240,8cyclictest6259-21kworker/3:110:42:553
2806699240,8cyclictest6259-21kworker/3:109:47:083
2806199248,7cyclictest0-21swapper/207:44:562
2806199246,3cyclictest0-21swapper/207:50:052
2806199242,3cyclictest0-21swapper/207:20:242
2805499245,4cyclictest0-21swapper/111:26:051
2805499243,3cyclictest0-21swapper/112:38:391
2805499242,16cyclictest0-21swapper/108:28:151
2805499241,8cyclictest0-21swapper/107:55:491
28054992415,3cyclictest0-21swapper/108:48:311
2805499241,3cyclictest9497-21cpuspeed_turbos11:20:121
2805499241,3cyclictest73622sleep112:26:541
2805499241,17cyclictest0-21swapper/109:36:201
2805499240,8cyclictest0-21swapper/110:26:371
2805499240,8cyclictest0-21swapper/108:32:371
2804699241,9cyclictest0-21swapper/012:11:510
2804699241,6cyclictest0-21swapper/009:37:100
2804699241,12cyclictest0-21swapper/011:43:010
2804699241,11cyclictest0-21swapper/009:54:230
2804699241,11cyclictest0-21swapper/008:36:530
2804699241,10cyclictest0-21swapper/011:30:430
2804699241,10cyclictest0-21swapper/011:22:230
2804699241,10cyclictest0-21swapper/008:13:110
2804699240,10cyclictest0-21swapper/010:16:300
2806699239,6cyclictest6259-21kworker/3:112:27:513
2806699237,3cyclictest6259-21kworker/3:108:18:393
2806699232,9cyclictest0-21swapper/308:26:563
2806699232,10cyclictest6259-21kworker/3:111:12:193
28066992311,2cyclictest6259-21kworker/3:107:45:323
28066992310,6cyclictest6259-21kworker/3:108:42:593
2806699230,18cyclictest6259-21kworker/3:110:01:053
2806199235,7cyclictest0-21swapper/208:42:372
2806199231,10cyclictest0-21swapper/209:12:452
2806199231,10cyclictest0-21swapper/209:12:452
2805499231,16cyclictest0-21swapper/108:50:491
2805499230,9cyclictest0-21swapper/110:42:221
2804699231,9cyclictest0-21swapper/008:30:110
2804699231,12cyclictest0-21swapper/007:35:580
2804699231,11cyclictest16761-21diskmemload09:20:230
2804699230,11cyclictest0-21swapper/009:33:390
2804699230,11cyclictest0-21swapper/009:14:210
2804699230,11cyclictest0-21swapper/009:14:210
19922230,4sleep121-21rcuc/108:35:141
2806699227,2cyclictest6259-21kworker/3:111:16:293
2806699226,2cyclictest6259-21kworker/3:112:01:093
2806699221,11cyclictest6259-21kworker/3:107:44:523
28066992210,2cyclictest6259-21kworker/3:111:26:233
28066992210,2cyclictest6259-21kworker/3:110:51:233
28066992210,2cyclictest6259-21kworker/3:110:47:173
2806199220,9cyclictest0-21swapper/210:15:452
2805499228,7cyclictest0-21swapper/109:50:161
2805499225,4cyclictest0-21swapper/112:05:461
2805499221,2cyclictest16761-21diskmemload10:55:081
2805499221,19cyclictest0-21swapper/109:43:451
2805499221,16cyclictest0-21swapper/109:59:001
2805499221,15cyclictest0-21swapper/110:30:541
2805499221,15cyclictest0-21swapper/107:28:311
2805499221,11cyclictest27345-21df12:00:141
2805499221,11cyclictest10217-21fschecks_count07:40:141
2805499221,10cyclictest0-21swapper/110:16:111
2804699229,7cyclictest88350irq/133-enp2s0-09:02:190
2804699221,8cyclictest0-21swapper/008:04:590
2804699221,8cyclictest0-21swapper/008:04:590
2804699221,7cyclictest0-21swapper/009:45:590
2804699221,10cyclictest0-21swapper/011:48:350
2804699221,10cyclictest0-21swapper/009:27:570
2804699220,8cyclictest0-21swapper/011:54:330
2804699220,8cyclictest0-21swapper/010:21:180
2804699220,8cyclictest0-21swapper/010:21:170
2804699220,11cyclictest0-21swapper/008:28:110
2806699219,2cyclictest6259-21kworker/3:109:54:483
2806699217,6cyclictest6259-21kworker/3:109:28:353
2806699217,2cyclictest6259-21kworker/3:111:32:393
2806699211,9cyclictest6259-21kworker/3:112:20:593
2806699211,10cyclictest6259-21kworker/3:111:59:153
2806699210,6cyclictest6259-21kworker/3:109:20:053
28054992113,3cyclictest0-21swapper/109:20:061
2805499211,11cyclictest0-21swapper/109:00:381
2805499210,11cyclictest0-21swapper/109:47:011
2804699213,11cyclictest14169-21/usr/sbin/munin07:50:140
2804699211,4cyclictest22666-21hddtemp_smartct10:35:160
2804699211,15cyclictest0-21swapper/010:44:330
2804699211,12cyclictest27008-21/usr/sbin/munin12:00:230
2804699211,10cyclictest0-21swapper/010:48:230
2804699210,9cyclictest0-21swapper/011:12:290
2806699209,2cyclictest6259-21kworker/3:111:46:033
2806699206,2cyclictest6259-21kworker/3:109:59:233
2806699205,2cyclictest6259-21kworker/3:111:50:093
2806699204,8cyclictest771-21rngd07:20:143
2806699202,2cyclictest6259-21kworker/3:107:34:053
2806699201,13cyclictest6259-21kworker/3:110:14:393
2806699201,12cyclictest0-21swapper/312:10:153
2806699201,10cyclictest10642-21ps11:20:233
2806699200,10cyclictest6259-21kworker/3:109:41:203
2805499201,15cyclictest0-21swapper/112:15:591
2805499201,10cyclictest30166-21chrt07:14:241
2804699207,7cyclictest88350irq/133-enp2s0-07:16:280
2804699205,3cyclictest86550irq/126-enp1s0-10:05:170
2804699202,6cyclictest0-21swapper/010:15:010
2804699200,11cyclictest0-21swapper/008:06:430
2806699197,2cyclictest6259-21kworker/3:110:36:353
2806699195,7cyclictest771-21rngd12:34:053
2806699195,2cyclictest6259-21kworker/3:110:27:053
2805499191,16cyclictest0-21swapper/108:17:001
2804699192,5cyclictest5379-21/usr/sbin/munin07:30:130
2804699191,9cyclictest851-21sssd_nss12:35:470
2804699191,9cyclictest0-21swapper/011:00:180
2804699191,10cyclictest19182-21/usr/sbin/munin09:15:240
2804699191,10cyclictest14791-21/usr/sbin/munin09:05:270
2804699191,10cyclictest0-21swapper/011:09:580
2806699182,6cyclictest6259-21kworker/3:107:56:413
2804699183,6cyclictest0-21swapper/007:42:050
2804699182,14cyclictest4533-21open_files12:20:220
2804699181,2cyclictest0-21swapper/007:15:010
2804699181,12cyclictest0-21swapper/011:25:110
2804699171,14cyclictest0-21swapper/007:45:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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