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2023-06-01 - 14:58

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #4, slot #1

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 
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ARM Broadcom BCM2711 @1500 MHz, Linux 5.15.45-rt46-v7l (Profile)

Latency plot of shadow in rack #4, slot #1
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 rack4slot1s.osadl.org (updated Thu Jun 01, 2023 06:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
380121600,3sleep30-21swapper/306:16:123
380121600,3sleep30-21swapper/306:16:123
380121600,3sleep30-21swapper/306:16:123
380121600,3sleep30-21swapper/306:16:123
2694121570,3sleep30-21swapper/306:17:453
2694121570,3sleep30-21swapper/306:17:453
2694121570,3sleep30-21swapper/306:17:453
2433321400,2sleep224335-21sh05:46:312
715621190,3sleep20-21swapper/206:16:242
715621190,3sleep20-21swapper/206:16:242
715621190,3sleep20-21swapper/206:16:242
715621190,3sleep20-21swapper/206:16:242
33721160,2sleep20-21swapper/205:28:412
33721160,2sleep20-21swapper/205:28:412
1346421120,2sleep30-21swapper/305:55:583
1346421120,2sleep30-21swapper/305:55:583
742521070,2sleep30-21swapper/305:49:023
1025821050,2sleep010284-21sh06:16:420
1025821050,2sleep010284-21sh06:16:420
1025821050,2sleep010284-21sh06:16:420
1414721010,3sleep30-21swapper/306:00:243
1414721010,3sleep30-21swapper/306:00:243
1414721010,3sleep30-21swapper/306:00:243
1334321010,3sleep213318-21execl05:54:562
1334321010,3sleep213318-21execl05:54:562
158842970,2sleep30-21swapper/306:02:493
158842970,2sleep30-21swapper/306:02:493
158842970,2sleep30-21swapper/306:02:493
152892960,4sleep10-21swapper/106:14:531
152892960,4sleep10-21swapper/106:14:531
152892960,4sleep10-21swapper/106:14:531
152892960,4sleep10-21swapper/106:14:531
28322930,2sleep30-21swapper/305:36:263
28322930,2sleep30-21swapper/305:36:263
173352930,2sleep117361-21expr06:17:111
173352930,2sleep117361-21expr06:17:111
173352930,2sleep117361-21expr06:17:111
133472900,3sleep113318-21execl05:54:591
133472900,3sleep113318-21execl05:54:591
23132850,4sleep30-21swapper/305:33:443
23132850,4sleep30-21swapper/305:33:443
133412850,2sleep013319-21execl05:54:540
133412850,2sleep013319-21execl05:54:540
14642830,11sleep01508-21sh06:16:040
14642830,11sleep01508-21sh06:16:040
14642830,11sleep01508-21sh06:16:040
14642830,11sleep01508-21sh06:16:040
203652820,3sleep30-21swapper/305:46:193
203652820,3sleep30-21swapper/305:46:193
203652820,3sleep30-21swapper/305:46:193
68972810,4sleep30-21swapper/306:36:353
68972810,4sleep30-21swapper/306:36:353
189022810,2sleep218903-21which06:17:172
189022810,2sleep218903-21which06:17:172
189022810,2sleep218903-21which06:17:172
25802790,2sleep10-21swapper/105:36:081
25802790,2sleep10-21swapper/105:36:081
7072760,2sleep30-21swapper/305:31:193
7072760,2sleep30-21swapper/305:31:193
24452750,2sleep00-21swapper/005:35:020
24452750,2sleep00-21swapper/005:35:020
106682740,2sleep110995-21tee05:47:331
183222730,3chrt18310-21context106:07:522
183222730,3chrt18310-21context106:07:522
182812730,4sleep018263-21context106:07:380
182812730,4sleep018263-21context106:07:380
41682720,2sleep20-21swapper/205:36:532
41682720,2sleep20-21swapper/205:36:532
33412710,4sleep013-21ksoftirqd/005:36:390
33412710,4sleep013-21ksoftirqd/005:36:390
208982700,3sleep10-21swapper/106:08:591
208982700,3sleep10-21swapper/106:08:591
183092670,2sleep118326-21run-parts05:46:131
183092670,2sleep118326-21run-parts05:46:131
183092670,2sleep118326-21run-parts05:46:131
152292640,2sleep014223-21fstime06:01:390
152292640,2sleep014223-21fstime06:01:390
152292640,2sleep014223-21fstime06:01:390
138282640,2sleep113803-21fstime05:57:221
138282640,2sleep113803-21fstime05:57:221
138282640,2sleep113803-21fstime05:57:221
314412620,3chrt31436-21sort05:46:540
138602610,3sleep00-21swapper/005:57:440
138602610,3sleep00-21swapper/005:57:440
138602610,3sleep00-21swapper/005:57:440
160042580,2sleep115996-21pipe06:03:531
160042580,2sleep115996-21pipe06:03:531
160042580,2sleep115996-21pipe06:03:531
137782570,2sleep213632-21fstime05:56:582
137782570,2sleep213632-21fstime05:56:582
137782570,2sleep213632-21fstime05:56:582
23762490,3chrt0-21swapper/205:45:292
23762490,3chrt0-21swapper/205:45:292
23762490,3chrt0-21swapper/205:45:292
151132480,2chrt0-21swapper/306:08:573
151132480,2chrt0-21swapper/306:08:573
318312430,2sleep125264-21cyclictest05:26:431
318312430,2sleep125264-21cyclictest05:26:431
24402430,2sleep20-21swapper/205:35:002
24402430,2sleep20-21swapper/205:35:002
163312420,4sleep216322-21context106:05:512
163312420,4sleep216322-21context106:05:512
163312420,4sleep216322-21context106:05:512
25280994132,5cyclictest3636-21kworker/0:006:31:280
25280994132,5cyclictest3636-21kworker/0:006:31:280
2528399401,31cyclictest0-21swapper/205:21:272
2528399401,31cyclictest0-21swapper/205:21:272
48602390,2sleep05263-21sh05:45:360
48602390,2sleep05263-21sh05:45:360
48602390,2sleep05263-21sh05:45:360
40232380,1sleep13622-21pipe05:36:491
40232380,1sleep13622-21pipe05:36:491
2528499373,29cyclictest4720-21chrt06:31:293
2528499373,29cyclictest4720-21chrt06:31:293
327482340,1sleep032696-21fstime05:28:080
327482340,1sleep032696-21fstime05:28:080
2528099320,26cyclictest0-21swapper/006:46:270
311782310,3sleep30-21swapper/305:26:173
311782310,3sleep30-21swapper/305:26:173
248942315,18sleep30-21swapper/305:09:013
248862317,17sleep00-21swapper/005:08:540
248832296,17sleep20-21swapper/205:08:512
247472296,17sleep10-21swapper/105:07:091
2528499261,22cyclictest8479-21chrt06:41:263
2528499261,22cyclictest8479-21chrt06:41:263
2528499261,22cyclictest8479-21chrt06:41:263
2528499241,2cyclictest0-21swapper/306:26:273
2528499241,2cyclictest0-21swapper/306:26:273
2528499241,2cyclictest0-21swapper/306:26:273
2528499231,3cyclictest0-21swapper/305:21:123
2528499231,19cyclictest0-21swapper/306:24:193
2528499231,19cyclictest0-21swapper/306:24:193
2528499231,19cyclictest0-21swapper/306:24:193
25282992312,8cyclictest0-21swapper/105:26:191
25282992312,8cyclictest0-21swapper/105:26:191
2528499221,2cyclictest0-21swapper/306:46:533
2528099221,8cyclictest4440-21mv06:31:140
2528099221,8cyclictest4440-21mv06:31:140
2528099221,8cyclictest4440-21mv06:31:140
2528499211,3cyclictest0-21swapper/305:11:343
2528499211,3cyclictest0-21swapper/305:11:343
2528299211,18cyclictest27317-21cpuspeed05:16:281
2528299210,17cyclictest8489-21find06:41:261
2528299210,17cyclictest8489-21find06:41:261
2528299210,17cyclictest8489-21find06:41:261
25283992014,4cyclictest0-21swapper/206:36:192
25283992014,4cyclictest0-21swapper/206:36:192
2528399201,14cyclictest785-21apt-get06:21:262
2528399201,14cyclictest785-21apt-get06:21:262
2528399201,14cyclictest785-21apt-get06:21:262
2528099200,17cyclictest0-21swapper/006:21:260
2528099200,17cyclictest0-21swapper/006:21:260
2528099200,17cyclictest0-21swapper/006:21:260
25283991913,3cyclictest31-21ksoftirqd/205:15:352
25283991913,3cyclictest31-21ksoftirqd/205:15:352
25283991911,6cyclictest3999-21users06:26:412
25283991911,6cyclictest3999-21users06:26:412
25283991911,6cyclictest3999-21users06:26:412
2528099193,12cyclictest0-21swapper/005:11:270
2528099193,12cyclictest0-21swapper/005:11:270
25280991915,3cyclictest7356-21ntp_states06:36:430
25280991915,3cyclictest7356-21ntp_states06:36:430
2528399187,9cyclictest27261-21apt-get05:16:282
2528399184,10cyclictest10409-21apt06:46:282
25283991813,4cyclictest0-21swapper/206:41:362
25283991813,4cyclictest0-21swapper/206:41:362
25283991813,4cyclictest0-21swapper/206:41:362
2528299187,9cyclictest10719-21gltestperf06:46:311
25280991812,5cyclictest31026-21execl05:26:090
25280991812,5cyclictest31026-21execl05:26:090
2528099181,14cyclictest28916-21Run05:21:130
2528399173,11cyclictest6676-21ls06:36:332
2528399173,11cyclictest6676-21ls06:36:332
2528299171,9cyclictest672-21runrttasks06:22:391
2528299171,9cyclictest672-21runrttasks06:22:391
2528299171,9cyclictest672-21runrttasks06:22:391
2528299171,7cyclictest672-21runrttasks06:26:431
2528299171,7cyclictest672-21runrttasks06:26:431
2528299171,7cyclictest672-21runrttasks06:26:431
2528299170,3cyclictest141rcu_preempt06:31:281
2528299170,3cyclictest141rcu_preempt06:31:281
2528099171,3cyclictest141rcu_preempt06:41:360
2528099171,3cyclictest141rcu_preempt06:41:360
2528099171,3cyclictest141rcu_preempt06:41:360
2528299168,6cyclictest1991-21systemd-journal06:41:131
2528299168,6cyclictest1991-21systemd-journal06:41:131
2528299162,12cyclictest25744-21ls05:11:301
2528299162,12cyclictest25744-21ls05:11:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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