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2026-08-16 - 11:11

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 Sun Aug 16, 2026 00:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
303682239163,25sleep10-21swapper/119:06:001
305492235163,59sleep00-21swapper/019:08:210
305262233164,57sleep20-21swapper/219:08:042
306672225194,20sleep30-21swapper/319:09:543
1992721710,4sleep23077899cyclictest22:23:062
609921480,5sleep23077899cyclictest19:25:132
2628121460,4sleep03076899cyclictest21:25:050
1865321400,4sleep33078599cyclictest21:05:223
1865321400,4sleep33078599cyclictest21:05:223
261682550,4sleep23077899cyclictest20:10:152
232712520,3sleep00-21swapper/023:45:110
158602500,3sleep015859-21unixbench_multi23:25:260
158602500,3sleep015859-21unixbench_multi23:25:260
267132480,1sleep30-21swapper/320:10:213
225592430,4sleep121-21rcuc/121:15:161
3077899396,3cyclictest12050irq/123-ahci[0021:00:012
30785993830,3cyclictest0-21swapper/319:20:293
285062380,4sleep10-21swapper/120:15:161
3076899372,25cyclictest29192-21kworker/0:023:59:460
30768993712,12cyclictest27644-21munin-run20:15:020
3077899361,26cyclictest0-21swapper/220:30:192
3078599351,16cyclictest0-21swapper/323:33:163
3076899357,13cyclictest12555-21munin-run00:35:000
3078599341,15cyclictest0-21swapper/321:34:333
3078599341,14cyclictest0-21swapper/320:54:443
3078599341,10cyclictest0-21swapper/321:25:273
3077899341,24cyclictest4971-21runrttasks23:00:462
3077899341,24cyclictest0-21swapper/222:36:502
3077899341,19cyclictest0-21swapper/220:24:342
3078599331,23cyclictest0-21swapper/323:50:443
3078599331,22cyclictest0-21swapper/319:25:293
3078599331,21cyclictest0-21swapper/321:01:363
3078599331,20cyclictest0-21swapper/320:08:373
3077899331,25cyclictest0-21swapper/222:07:392
3077899331,19cyclictest0-21swapper/223:27:232
3077899331,19cyclictest0-21swapper/223:27:232
217222330,2sleep10-21swapper/123:40:201
30785993226,3cyclictest0-21swapper/319:49:373
3078599321,19cyclictest0-21swapper/322:49:083
3078599321,15cyclictest0-21swapper/319:54:013
3078599321,15cyclictest0-21swapper/319:54:013
3078599321,13cyclictest0-21swapper/323:07:003
3077899321,18cyclictest0-21swapper/222:10:352
30785993119,3cyclictest16165-40dnf23:28:243
30785993119,3cyclictest16165-40dnf23:28:243
3078599311,21cyclictest0-21swapper/320:38:083
3078599311,21cyclictest0-21swapper/319:18:123
3078599311,13cyclictest0-21swapper/323:39:363
3077899311,22cyclictest0-21swapper/223:22:232
3077899311,20cyclictest0-21swapper/219:36:072
3077899311,19cyclictest0-21swapper/221:39:552
3077899311,14cyclictest0-21swapper/200:30:152
3076899318,11cyclictest17902-21idleruntime-cro22:20:010
3076899318,11cyclictest17902-21idleruntime-cro22:20:010
3078599301,20cyclictest0-21swapper/320:46:003
3078599301,20cyclictest0-21swapper/319:14:403
3078599301,17cyclictest0-21swapper/321:41:453
3078599301,14cyclictest0-21swapper/319:40:293
3078599301,13cyclictest1234-21kworker/u8:200:34:133
3078599301,13cyclictest0-21swapper/321:49:053
3078599301,12cyclictest0-21swapper/323:21:283
3078599301,12cyclictest0-21swapper/322:35:333
3078599301,12cyclictest0-21swapper/321:12:363
3078599301,12cyclictest0-21swapper/300:09:253
3078599301,12cyclictest0-21swapper/300:02:053
3077899301,23cyclictest0-21swapper/223:41:552
3077899301,19cyclictest0-21swapper/200:13:392
3077899301,13cyclictest0-21swapper/222:51:182
3077899301,11cyclictest0-21swapper/221:49:472
3077899300,18cyclictest0-21swapper/219:40:312
3077899300,12cyclictest0-21swapper/200:04:232
3076899301,11cyclictest21963-21kworker/0:022:32:510
3078599291,3cyclictest0-21swapper/322:20:173
3078599291,20cyclictest0-21swapper/320:03:253
3078599291,18cyclictest0-21swapper/320:26:323
3078599291,13cyclictest0-21swapper/323:48:243
3078599291,12cyclictest0-21swapper/300:27:333
3078599291,11cyclictest0-21swapper/321:17:573
3078599291,10cyclictest0-21swapper/323:02:403
30778992912,3cyclictest28593-21ntp_states23:55:232
3077899291,18cyclictest0-21swapper/219:47:152
3077899291,12cyclictest19417-21df_inode19:55:142
3077899291,12cyclictest0-21swapper/222:02:112
3077899291,12cyclictest0-21swapper/221:13:112
3077899291,11cyclictest0-21swapper/220:19:182
3077899290,19cyclictest0-21swapper/221:44:072
3076899291,22cyclictest32684-21kworker/0:119:21:120
3076899291,21cyclictest21590-21kworker/0:121:31:360
3078599281,19cyclictest0-21swapper/319:30:093
3078599281,13cyclictest0-21swapper/320:18:523
3078599281,13cyclictest0-21swapper/300:36:053
3078599281,13cyclictest0-21swapper/300:36:053
3078599281,12cyclictest0-21swapper/321:58:053
3078599281,12cyclictest0-21swapper/321:36:493
3078599281,12cyclictest0-21swapper/320:21:003
3078599281,12cyclictest0-21swapper/319:59:533
3078599281,11cyclictest0-21swapper/323:18:163
3078599281,11cyclictest0-21swapper/322:41:123
3078599281,11cyclictest0-21swapper/322:13:213
3078599281,11cyclictest0-21swapper/322:05:493
3078599281,11cyclictest0-21swapper/322:02:333
3078599281,11cyclictest0-21swapper/321:51:533
3078599281,10cyclictest0-21swapper/320:30:323
30785992810,5cyclictest1477-21diskstats22:55:163
3078599280,4cyclictest8564-1kworker/u9:121:22:173
3077899281,19cyclictest0-21swapper/219:53:192
3077899281,19cyclictest0-21swapper/219:53:182
3077899281,13cyclictest0-21swapper/223:39:032
3077899281,13cyclictest0-21swapper/222:59:302
30778992811,3cyclictest0-21swapper/222:45:022
3077899281,10cyclictest0-21swapper/221:52:192
3077899280,2cyclictest0-21swapper/223:50:252
30768992810,15cyclictest9716-21munin-run23:15:010
30785992714,3cyclictest0-21swapper/320:41:083
3078599271,15cyclictest0-21swapper/320:55:323
3078599271,12cyclictest495-21jbd2/dm-0-823:40:063
3078599271,11cyclictest0-21swapper/319:38:013
3078599271,11cyclictest0-21swapper/300:23:013
3078599271,11cyclictest0-21swapper/300:15:573
3077899278,3cyclictest0-21swapper/223:31:272
3077899276,3cyclictest0-21swapper/220:06:502
3077899271,13cyclictest0-21swapper/222:33:462
30778992711,3cyclictest0-21swapper/222:26:502
3077899271,12cyclictest0-21swapper/200:21:112
30778992710,3cyclictest0-21swapper/221:59:312
3077899270,13cyclictest0-21swapper/223:48:472
3076899279,15cyclictest4090-21munin-run20:35:020
3076899272,9cyclictest32684-21kworker/0:119:14:490
3076899272,16cyclictest8083-21kworker/0:300:25:120
3076899271,12cyclictest14464-21perf19:45:000
3076899271,10cyclictest16292-21kworker/0:119:50:550
3076899271,10cyclictest16292-21kworker/0:119:50:550
10882270,4sleep011-21rcuc/019:15:030
3078599261,11cyclictest0-21swapper/323:57:083
3078599261,11cyclictest0-21swapper/322:34:293
3078599261,11cyclictest0-21swapper/300:14:293
3077899267,3cyclictest0-21swapper/220:46:472
3077899261,9cyclictest0-21swapper/220:27:192
30778992613,3cyclictest0-21swapper/222:19:422
30778992613,3cyclictest0-21swapper/222:19:422
3077899261,11cyclictest0-21swapper/200:40:012
3077899261,11cyclictest0-21swapper/200:40:012
30778992610,3cyclictest0-21swapper/221:04:272
30772992615,3cyclictest30412-21diskstats20:20:131
3076899262,9cyclictest11734-21kworker/0:323:39:000
3076899260,9cyclictest12721-21kworker/0:200:39:380
3076899260,9cyclictest12721-21kworker/0:200:39:380
3078599251,11cyclictest0-21swapper/322:50:323
3078599251,11cyclictest0-21swapper/322:25:413
3077899259,3cyclictest0-21swapper/222:41:302
3077899259,3cyclictest0-21swapper/221:19:232
3077899259,3cyclictest0-21swapper/220:38:072
3077899257,3cyclictest0-21swapper/220:41:352
3077899257,3cyclictest0-21swapper/200:05:472
30778992512,3cyclictest0-21swapper/221:26:192
3077899251,10cyclictest0-21swapper/223:08:382
3077299253,11cyclictest4152-21cpuspeed_turbos00:15:131
30772992516,3cyclictest0-21swapper/122:00:251
30772992514,3cyclictest24490-21netstat20:05:201
3076899253,10cyclictest4709-21perf21:50:010
3076899252,9cyclictest26494-21kworker/0:222:41:410
3076899252,9cyclictest10487-21kworker/0:020:49:060
3076899252,15cyclictest16907-21kworker/0:221:07:220
3076899252,15cyclictest16907-21kworker/0:221:07:220
3076899252,10cyclictest12825-21kworker/0:121:02:200
3076899251,9cyclictest8902-21kworker/0:022:00:440
3076899251,9cyclictest6642-21kworker/0:121:55:220
3076899251,9cyclictest5734-21kworker/0:100:21:200
3076899251,9cyclictest26494-21kworker/0:222:39:010
3076899251,8cyclictest31551-21kworker/0:200:03:380
3076899250,20cyclictest15629-21kworker/0:322:26:570
3076899250,12cyclictest20099-21awk22:25:010
281132250,2sleep123-21ksoftirqd/123:55:171
3078599241,9cyclictest0-21swapper/322:19:573
3078599241,9cyclictest0-21swapper/322:19:573
3078599241,10cyclictest0-21swapper/323:14:363
3077899249,3cyclictest0-21swapper/219:32:312
3077899248,3cyclictest0-21swapper/223:14:592
3077899248,3cyclictest0-21swapper/221:07:312
3077899248,3cyclictest0-21swapper/221:07:312
3077899247,3cyclictest0-21swapper/221:23:032
3077899247,3cyclictest0-21swapper/220:54:432
3077899247,3cyclictest0-21swapper/220:03:142
30778992411,3cyclictest0-21swapper/221:31:352
3077899241,12cyclictest0-21swapper/219:24:512
3077899241,11cyclictest0-21swapper/200:28:232
3077899241,11cyclictest0-21swapper/200:16:072
3077299242,16cyclictest0-21swapper/121:41:021
3077299241,16cyclictest0-21swapper/123:03:181
3076899242,16cyclictest30803-21kworker/0:323:07:570
3076899241,9cyclictest24729-21kworker/0:123:51:320
3076899241,9cyclictest19177-21kworker/0:021:13:240
3076899241,8cyclictest23109-21kworker/0:220:08:450
3076899241,10cyclictest7569-21kworker/0:020:41:430
3076899241,10cyclictest20841-21kworker/0:019:58:410
299102240,2sleep10-21swapper/121:30:251
3077899239,3cyclictest0-21swapper/219:18:112
3077899239,3cyclictest0-21swapper/219:10:382
3077299237,8cyclictest0-21swapper/120:35:181
3077299234,2cyclictest87550irq/128-enp1s0-23:10:421
3077299231,6cyclictest0-21swapper/123:36:411
3077299231,4cyclictest4407-21kworker/u8:223:16:061
30772992314,6cyclictest9984-21wc20:45:261
3077299231,16cyclictest0-21swapper/122:51:071
3076899232,9cyclictest554-21kworker/0:122:55:090
3076899232,8cyclictest4019-21kworker/0:220:38:430
3076899232,8cyclictest30219-21kworker/0:222:11:340
3076899232,6cyclictest8267-21kworker/0:320:50:060
3076899232,12cyclictest12825-21kworker/0:120:57:080
3076899231,8cyclictest28770-21kworker/0:022:46:450
3076899231,8cyclictest27542-21kworker/0:120:25:210
3076899231,8cyclictest25499-21kworker/0:019:47:160
3076899231,11cyclictest27542-21kworker/0:120:18:470
3076899230,9cyclictest30219-21kworker/0:222:08:230
35432220,2sleep10-21swapper/119:20:021
3077299228,3cyclictest0-21swapper/122:58:401
3077299224,10cyclictest16076-21cut22:15:121
3077299224,10cyclictest16076-21cut22:15:121
3077299222,15cyclictest0-21swapper/121:55:451
3077299222,15cyclictest0-21swapper/120:59:261
3077299221,18cyclictest282312sleep121:29:491
3077299221,18cyclictest2608-21irqstats00:10:211
3077299221,18cyclictest13056-21memory23:20:201
3077299221,16cyclictest0-21swapper/122:49:511
3077299221,16cyclictest0-21swapper/121:14:591
3077299221,16cyclictest0-21swapper/100:21:341
30772992211,5cyclictest21566-21kworker/u8:019:27:471
3077299221,15cyclictest0-21swapper/120:40:151
3077299221,13cyclictest21-21rcuc/100:10:021
3077299221,11cyclictest0-21swapper/123:08:591
3077299221,11cyclictest0-21swapper/100:38:531
3077299221,11cyclictest0-21swapper/100:38:531
3077299221,10cyclictest0-21swapper/122:31:221
3077299220,16cyclictest0-21swapper/119:38:141
3076899222,9cyclictest25499-21kworker/0:019:34:180
3076899222,9cyclictest13937-21kworker/0:023:30:320
3076899222,8cyclictest30219-21kworker/0:221:38:100
3076899222,11cyclictest29192-21kworker/0:000:17:240
3076899221,9cyclictest29192-21kworker/0:000:08:520
3076899221,8cyclictest32517-21kworker/0:121:41:360
3076899221,8cyclictest1471-21kworker/0:100:10:580
3076899221,6cyclictest0-21swapper/022:50:590
3077899217,3cyclictest0-21swapper/223:18:312
3077299211,6cyclictest0-21swapper/122:20:551
30772992113,3cyclictest0-21swapper/119:34:481
3077299211,18cyclictest0-21swapper/122:10:211
3077299211,15cyclictest0-21swapper/121:35:101
3077299211,14cyclictest0-21swapper/119:55:371
3077299211,11cyclictest3177-21ntp_states20:30:221
3077299211,10cyclictest0-21swapper/122:06:581
3077299211,10cyclictest0-21swapper/121:46:461
3076899212,9cyclictest18493-21kworker/0:223:41:520
3076899211,9cyclictest11734-21kworker/0:323:21:050
3076899211,8cyclictest6642-21kworker/0:121:54:500
3076899210,6cyclictest30058-21kworker/0:220:21:150
3077299208,3cyclictest25899-21fschecks_time23:50:161
3077299204,5cyclictest0-21swapper/121:50:231
3077299201,9cyclictest0-21swapper/100:34:401
30772992014,1cyclictest0-21swapper/121:08:421
30772992014,1cyclictest0-21swapper/121:08:421
3077299201,3cyclictest0-21swapper/121:04:001
30772992013,2cyclictest0-21swapper/121:20:581
3077299201,2cyclictest0-21swapper/120:51:321
3077299201,15cyclictest0-21swapper/119:51:141
3077299201,15cyclictest0-21swapper/119:51:141
3077299201,15cyclictest0-21swapper/119:48:261
3077299201,15cyclictest0-21swapper/100:26:311
3077299201,14cyclictest0-21swapper/120:25:531
3077299201,14cyclictest0-21swapper/120:00:411
3077299201,11cyclictest27740-21kernelversion22:40:191
3077299201,11cyclictest16306-21dump-pmu-power23:30:011
3077299201,11cyclictest16306-21dump-pmu-power23:30:011
3077299201,11cyclictest0-21swapper/122:25:191
3077299201,10cyclictest14576-21cat19:45:011
3076899208,6cyclictest30803-21kworker/0:323:01:010
3076899204,2cyclictest25499-21kworker/0:019:35:120
3076899201,9cyclictest25499-21kworker/0:019:28:040
3076899201,9cyclictest23812-21kworker/0:221:23:480
3076899201,8cyclictest21590-21kworker/0:121:17:340
3076899201,8cyclictest16292-21kworker/0:120:00:090
3077299192,3cyclictest0-21swapper/120:11:261
3077299192,16cyclictest0-21swapper/123:34:541
3077299191,10cyclictest26398-21runrttasks22:36:381
3077299191,10cyclictest23437-21expr23:45:131
3076899194,2cyclictest7180-21kworker/0:123:15:430
3077299183,8cyclictest30854-21cut00:00:251
30772991814,3cyclictest0-21swapper/119:10:011
3077299180,17cyclictest0-21swapper/119:21:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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