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2026-07-14 - 00:31

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 - 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.

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 Mon Jul 13, 2026 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41721300,3sleep30-21swapper/308:18:363
41721300,3sleep30-21swapper/308:18:363
886621290,4sleep20-21swapper/211:33:362
886621290,4sleep20-21swapper/211:33:362
886621290,4sleep20-21swapper/211:33:362
2337121030,3chrt0-21swapper/312:13:333
2337121030,3chrt0-21swapper/312:13:333
2337121030,3chrt0-21swapper/312:13:333
249602910,3sleep20-21swapper/209:23:362
249602910,3sleep20-21swapper/209:23:362
249602910,3sleep20-21swapper/209:23:362
305102810,3chrt0-21swapper/109:38:341
305102810,3chrt0-21swapper/109:38:341
305102810,3chrt0-21swapper/109:38:341
320142720,3sleep20-21swapper/209:43:342
320142720,3sleep20-21swapper/209:43:342
87822560,3sleep08559-21latency_hist10:08:320
242252560,2chrt0-21swapper/109:23:231
18162520,2sleep11818-21latency09:48:351
18162520,2sleep11818-21latency09:48:351
18162520,2sleep11818-21latency09:48:351
33082500,4sleep20-21swapper/211:18:412
33082500,4sleep20-21swapper/211:18:412
292152500,3sleep20-21swapper/211:03:212
292152500,3sleep20-21swapper/211:03:212
292152500,3sleep20-21swapper/211:03:212
84932480,4sleep20-21swapper/208:38:422
84932480,4sleep20-21swapper/208:38:422
832999471,31cyclictest29188-21taskset11:03:190
832999471,31cyclictest29188-21taskset11:03:190
832999471,31cyclictest29188-21taskset11:03:190
832999451,28cyclictest30177-21taskset12:29:460
832999451,28cyclictest30177-21taskset12:29:460
272552450,2sleep20-21swapper/208:03:362
272552450,2sleep20-21swapper/208:03:362
272552450,2sleep20-21swapper/208:03:362
832999441,28cyclictest1516-21chrt12:40:240
832999441,27cyclictest4833-21seq09:58:230
832999441,27cyclictest4833-21seq09:58:230
832999441,27cyclictest4833-21seq09:58:230
832999441,27cyclictest24041-21chrt09:22:170
832999441,27cyclictest18435-21taskset09:07:130
832999441,27cyclictest18435-21taskset09:07:130
832999441,27cyclictest18435-21taskset09:07:130
832999441,26cyclictest3209-21seq08:24:400
832999441,26cyclictest3209-21seq08:24:400
248352440,4sleep024837-21cat10:48:440
248352440,4sleep024837-21cat10:48:440
248352440,4sleep024837-21cat10:48:440
203532440,2sleep20-21swapper/212:03:392
203532440,2sleep20-21swapper/212:03:392
203532440,2sleep20-21swapper/212:03:392
832999431,29cyclictest10361-21taskset10:12:140
832999431,28cyclictest6316-21taskset09:58:470
832999431,28cyclictest6316-21taskset09:58:470
832999431,28cyclictest28336-21chrt12:25:040
832999431,28cyclictest28336-21chrt12:25:040
832999431,28cyclictest28336-21chrt12:25:040
832999431,28cyclictest24552-21taskset12:14:390
832999431,28cyclictest24552-21taskset12:14:390
832999431,28cyclictest24552-21taskset12:14:390
832999431,28cyclictest22680-21chrt12:09:320
832999431,28cyclictest22680-21chrt12:09:320
832999431,28cyclictest22680-21chrt12:09:320
832999431,28cyclictest16562-21seq09:02:230
832999431,28cyclictest16562-21seq09:02:230
832999431,28cyclictest16562-21seq09:02:230
832999431,27cyclictest2160-21taskset11:16:100
832999431,27cyclictest2160-21taskset11:16:100
832999431,27cyclictest1526-21taskset08:22:230
832999431,27cyclictest1526-21taskset08:22:230
832999431,26cyclictest700-21192.168.115.40-manager07:36:150
832999431,26cyclictest700-21192.168.115.40-manager07:36:150
832999431,26cyclictest700-21192.168.115.40-manager07:36:150
832999431,26cyclictest30692-21seq11:04:000
832999431,26cyclictest30692-21seq11:04:000
832999431,26cyclictest20959-21seq12:06:230
832999431,26cyclictest20959-21seq12:06:230
832999431,26cyclictest20959-21seq12:06:230
832999421,28cyclictest29465-21seq09:34:550
832999421,28cyclictest29465-21seq09:34:550
832999421,28cyclictest12049-21seq10:14:590
832999421,28cyclictest12049-21seq10:14:590
832999421,27cyclictest28267-21chrt08:06:110
832999421,27cyclictest28267-21chrt08:06:110
832999421,27cyclictest28267-21chrt08:06:110
832999421,27cyclictest28267-21chrt08:06:110
832999421,26cyclictest22237-21taskset09:18:070
832999421,26cyclictest22237-21taskset09:18:070
832999421,25cyclictest26265-21chrt07:59:400
832999421,25cyclictest26265-21chrt07:59:400
832999421,25cyclictest26265-21chrt07:59:400
832999421,24cyclictest22484-21chrt07:48:540
832999421,24cyclictest22484-21chrt07:48:540
832999421,24cyclictest22484-21chrt07:48:540
832999421,24cyclictest15967-21chrt10:26:450
832999421,24cyclictest15967-21chrt10:26:450
832999421,24cyclictest15967-21chrt10:26:450
832999420,40cyclictest700-21192.168.115.40-manager11:23:520
832999420,40cyclictest700-21192.168.115.40-manager11:23:520
832999420,40cyclictest700-21192.168.115.40-manager11:23:520
832999420,26cyclictest7940-21chrt11:32:540
832999420,26cyclictest7940-21chrt11:32:540
832999420,26cyclictest7940-21chrt11:32:540
832999420,26cyclictest31809-21chrt08:13:470
832999420,26cyclictest31809-21chrt08:13:470
316492420,3chrt0-21swapper/208:13:412
316492420,3chrt0-21swapper/208:13:412
108962420,3sleep20-21swapper/211:38:392
108962420,3sleep20-21swapper/211:38:392
832999411,27cyclictest9062-21taskset08:42:210
832999411,27cyclictest9062-21taskset08:42:210
832999411,27cyclictest24504-21taskset07:55:580
832999411,27cyclictest24504-21taskset07:55:580
832999411,27cyclictest24504-21taskset07:55:580
832999411,26cyclictest5089-21taskset08:29:550
832999411,26cyclictest5089-21taskset08:29:550
832999411,26cyclictest30194-21taskset08:12:020
832999411,26cyclictest19134-21chrt12:02:090
832999411,26cyclictest19134-21chrt12:02:090
832999411,26cyclictest19134-21chrt12:02:090
832999411,26cyclictest19028-21chrt07:42:390
832999411,26cyclictest19028-21chrt07:42:390
832999411,26cyclictest19028-21chrt07:42:390
832999411,25cyclictest7099-21chrt08:36:300
832999411,25cyclictest7099-21chrt08:36:300
832999411,25cyclictest7099-21chrt08:36:300
832999411,25cyclictest3926-21chrt11:19:560
832999411,25cyclictest3926-21chrt11:19:560
832999411,25cyclictest2764-21chrt09:51:230
832999411,25cyclictest2764-21chrt09:51:230
832999411,25cyclictest2764-21chrt09:51:230
832999411,25cyclictest26526-21chrt12:21:020
832999411,25cyclictest26526-21chrt12:21:020
832999411,25cyclictest26526-21chrt12:21:020
832999411,25cyclictest21396-21taskset10:39:440
832999411,25cyclictest21396-21taskset10:39:440
832999411,25cyclictest21396-21taskset10:39:440
832999411,25cyclictest10722-21chrt08:44:260
832999411,25cyclictest10722-21chrt08:44:260
832999411,24cyclictest31413-21taskset09:41:020
832999411,24cyclictest31413-21taskset09:41:020
832999411,24cyclictest31413-21taskset09:41:020
832999411,24cyclictest14474-21chrt08:54:270
832999411,24cyclictest14474-21chrt08:54:270
832999411,24cyclictest13357-21chrt07:26:560
832999411,24cyclictest13357-21chrt07:26:560
832999411,23cyclictest26984-21seq10:54:310
832999411,23cyclictest26984-21seq10:54:310
832999411,23cyclictest26984-21seq10:54:310
832999411,23cyclictest25723-21chrt09:24:380
832999411,23cyclictest25723-21chrt09:24:380
832999411,23cyclictest25723-21chrt09:24:380
832999410,39cyclictest700-21192.168.115.40-manager10:34:210
832999410,39cyclictest700-21192.168.115.40-manager10:34:210
832999410,39cyclictest700-21192.168.115.40-manager07:45:160
832999410,39cyclictest700-21192.168.115.40-manager07:45:160
832999410,39cyclictest700-21192.168.115.40-manager07:45:160
832999410,38cyclictest700-21192.168.115.40-manager11:35:220
832999410,38cyclictest700-21192.168.115.40-manager11:35:220
832999410,38cyclictest700-21192.168.115.40-manager11:35:220
19322410,3sleep20-21swapper/209:48:372
19322410,3sleep20-21swapper/209:48:372
19322410,3sleep20-21swapper/209:48:372
832999401,27cyclictest27605-21seq09:29:570
832999401,27cyclictest27605-21seq09:29:570
832999401,25cyclictest15026-21taskset07:29:050
832999401,25cyclictest15026-21taskset07:29:050
832999401,25cyclictest15026-21taskset07:29:050
832999401,23cyclictest769-21chrt09:44:480
832999401,23cyclictest769-21chrt09:44:480
832999401,23cyclictest392-21taskset11:12:560
832999401,23cyclictest392-21taskset11:12:560
832999401,23cyclictest392-21taskset11:12:560
832999400,26cyclictest15296-21chrt11:50:390
832999400,26cyclictest15296-21chrt11:50:390
832999400,26cyclictest15296-21chrt11:50:390
252962400,3sleep20-21swapper/212:18:352
252962400,3sleep20-21swapper/212:18:352
252962400,3sleep20-21swapper/212:18:352
169082400,3chrt0-21swapper/310:28:373
169082400,3chrt0-21swapper/310:28:373
99182390,2sleep10-21swapper/111:38:231
99182390,2sleep10-21swapper/111:38:231
99182390,2sleep10-21swapper/111:38:231
832999391,24cyclictest13894-21taskset10:19:250
832999391,24cyclictest13894-21taskset10:19:250
832999391,24cyclictest12624-21chrt08:49:570
832999391,24cyclictest12624-21chrt08:49:570
832999391,23cyclictest23361-21taskset10:45:470
832999391,23cyclictest23361-21taskset10:45:470
832999391,23cyclictest23361-21taskset10:45:470
832999391,23cyclictest17923-21seq10:33:000
832999391,23cyclictest17923-21seq10:33:000
832999391,22cyclictest13270-21seq11:43:550
832999391,22cyclictest13270-21seq11:43:550
832999391,22cyclictest13270-21seq11:43:550
8329993821,15cyclictest0-21swapper/011:53:350
8329993821,15cyclictest0-21swapper/011:53:350
8329993821,15cyclictest0-21swapper/011:53:350
832999381,25cyclictest8214-21seq10:03:580
832999380,36cyclictest700-21192.168.115.40-manager11:38:370
832999380,36cyclictest700-21192.168.115.40-manager11:38:370
832999380,23cyclictest32192-21taskset12:36:460
163062370,3sleep10-21swapper/110:28:311
163062370,3sleep10-21swapper/110:28:311
8330993426,6cyclictest11829-21/usr/sbin/munin07:23:351
8330993426,6cyclictest11829-21/usr/sbin/munin07:23:351
272542340,3sleep20-21swapper/212:23:332
272542340,3sleep20-21swapper/212:23:332
272542340,3sleep20-21swapper/212:23:332
832999331,30cyclictest20118-21taskset09:09:550
832999331,30cyclictest20118-21taskset09:09:550
8330993224,6cyclictest27581-21cpuspeed10:58:311
8330993224,6cyclictest27581-21cpuspeed10:58:311
8330993224,6cyclictest2350-21kernelversion08:23:351
8330993224,6cyclictest2350-21kernelversion08:23:351
310302320,3sleep30-21swapper/308:13:343
310302320,3sleep30-21swapper/308:13:343
242972320,4sleep10-21swapper/107:53:461
242972320,4sleep10-21swapper/107:53:461
242972320,4sleep10-21swapper/107:53:461
8330993126,3cyclictest8328-21cyclictest08:28:421
8330993126,3cyclictest8328-21cyclictest08:28:421
8330993126,3cyclictest18856-21needreboot10:33:371
8330993126,3cyclictest18856-21needreboot10:33:371
8330993024,5cyclictest31413-21fschecks_count11:08:321
833299291,3cyclictest0-21swapper/211:16:222
833299291,3cyclictest0-21swapper/211:16:222
8330992924,3cyclictest1648-21ntpd10:43:361
8330992924,3cyclictest1648-21ntpd10:43:361
8330992924,3cyclictest1648-21ntpd10:43:361
8330992922,5cyclictest4229-21sendmail11:23:201
8330992922,5cyclictest4229-21sendmail11:23:201
8330992922,5cyclictest26599-21switchtime10:53:411
8330992922,5cyclictest19148-21latency_hist07:43:211
8330992922,5cyclictest19148-21latency_hist07:43:211
8330992922,5cyclictest19148-21latency_hist07:43:211
8330992922,5cyclictest19016-21fschecks_time09:08:321
8330992922,5cyclictest19016-21fschecks_time09:08:321
8330992920,6cyclictest1206-21latency_hist09:48:281
8330992920,6cyclictest1206-21latency_hist09:48:281
833299282,16cyclictest0-21swapper/212:36:542
833299281,3cyclictest0-21swapper/212:39:512
8330992821,5cyclictest28052-21/usr/sbin/munin09:33:381
8330992821,5cyclictest28052-21/usr/sbin/munin09:33:381
8330992821,5cyclictest15495-21kernelversion08:58:361
8330992821,5cyclictest15495-21kernelversion08:58:361
8330992821,5cyclictest15495-21kernelversion08:58:361
8330992820,5cyclictest14273-21sshd11:48:361
8330992820,5cyclictest14273-21sshd11:48:361
8330992820,5cyclictest14273-21sshd11:48:361
8330992721,4cyclictest17736-21gltestperf07:38:331
8330992721,4cyclictest17736-21gltestperf07:38:331
8330992721,4cyclictest17736-21gltestperf07:38:331
8330992720,5cyclictest8328-21cyclictest10:51:461
8330992720,5cyclictest8328-21cyclictest10:51:461
8330992720,5cyclictest8328-21cyclictest10:51:461
8330992720,5cyclictest21678-21latency_hist10:43:191
8330992720,5cyclictest21678-21latency_hist10:43:191
8330992720,5cyclictest21678-21latency_hist10:43:191
8330992718,2cyclictest0-21swapper/108:48:321
8330992718,2cyclictest0-21swapper/108:48:321
273742270,4sleep30-21swapper/308:03:373
273742270,4sleep30-21swapper/308:03:373
8330992620,3cyclictest0-21swapper/112:28:331
8330992620,3cyclictest0-21swapper/112:28:331
8330992620,3cyclictest0-21swapper/112:28:331
8330992619,6cyclictest28604-21latency_hist08:08:311
8330992619,6cyclictest28604-21latency_hist08:08:311
8330992619,6cyclictest28604-21latency_hist08:08:311
8330992619,6cyclictest28604-21latency_hist08:08:311
8330992618,6cyclictest10938-21fschecks_time10:13:331
8330992618,6cyclictest10938-21fschecks_time10:13:331
8330992617,7cyclictest29641-21switchtime08:08:431
8330992617,7cyclictest1874-21latency_hist12:43:241
255362260,4sleep30-21swapper/307:58:383
833299256,15cyclictest60982chrt11:28:142
833299256,15cyclictest60982chrt11:28:142
833299256,15cyclictest60982chrt11:28:142
833299252,4cyclictest0-21swapper/211:58:232
833299252,4cyclictest0-21swapper/211:58:232
833299252,4cyclictest0-21swapper/211:58:232
833299251,3cyclictest0-21swapper/209:03:532
833299251,3cyclictest0-21swapper/209:03:532
833299251,3cyclictest0-21swapper/209:03:532
8330992521,3cyclictest8682-21unixbench_multi08:38:421
8330992521,3cyclictest8682-21unixbench_multi08:38:421
8330992521,3cyclictest8328-21cyclictest12:33:361
8330992519,5cyclictest19929-21kernelversion12:03:341
8330992519,5cyclictest19929-21kernelversion12:03:341
8330992519,5cyclictest19929-21kernelversion12:03:341
8330992519,4cyclictest749-21runrttasks11:00:361
8330992519,4cyclictest749-21runrttasks11:00:361
8330992519,4cyclictest749-21runrttasks11:00:361
8330992519,4cyclictest27274-21idleruntime12:23:331
8330992519,4cyclictest27274-21idleruntime12:23:331
8330992519,4cyclictest27274-21idleruntime12:23:331
8330992519,3cyclictest0-21swapper/111:58:351
8330992519,3cyclictest0-21swapper/111:58:351
8330992519,3cyclictest0-21swapper/111:58:351
8330992518,5cyclictest7046-21ntp_kernel_err11:28:391
8330992518,5cyclictest7046-21ntp_kernel_err11:28:391
8330992518,5cyclictest7046-21ntp_kernel_err11:28:391
8330992518,5cyclictest22042-21sshd09:15:351
8330992518,5cyclictest22042-21sshd09:15:351
8330992518,4cyclictest0-21swapper/112:13:341
8330992518,4cyclictest0-21swapper/112:13:341
8330992518,4cyclictest0-21swapper/112:13:341
8330992517,6cyclictest12536-21latency11:43:351
8330992517,6cyclictest12536-21latency11:43:351
8330992517,6cyclictest12536-21latency11:43:351
833299245,15cyclictest146482chrt08:56:422
833299245,15cyclictest146482chrt08:56:422
833299241,7cyclictest15354-21chrt11:51:252
833299241,7cyclictest15354-21chrt11:51:252
833299241,7cyclictest15354-21chrt11:51:252
833299241,5cyclictest0-21swapper/207:29:152
833299241,5cyclictest0-21swapper/207:29:152
833299241,5cyclictest0-21swapper/207:29:152
833299241,3cyclictest301462sleep212:29:242
833299241,3cyclictest301462sleep212:29:242
833299241,3cyclictest0-21swapper/212:01:532
833299241,3cyclictest0-21swapper/212:01:532
833299241,3cyclictest0-21swapper/212:01:532
833299241,3cyclictest0-21swapper/210:53:212
833299241,3cyclictest0-21swapper/210:53:212
833299241,3cyclictest0-21swapper/210:53:212
833299241,2cyclictest0-21swapper/210:04:202
833299241,2cyclictest0-21swapper/210:04:202
833299241,2cyclictest0-21swapper/208:32:472
833299241,2cyclictest0-21swapper/208:32:472
8330992420,2cyclictest0-21swapper/108:33:311
8330992420,2cyclictest0-21swapper/108:33:311
8330992420,2cyclictest0-21swapper/108:33:311
8330992419,3cyclictest0-21swapper/110:03:351
8330992419,3cyclictest0-21swapper/110:03:351
8330992419,3cyclictest0-21swapper/108:53:331
8330992419,3cyclictest0-21swapper/108:53:331
8330992419,3cyclictest0-21swapper/107:48:191
8330992419,3cyclictest0-21swapper/107:48:191
8330992419,3cyclictest0-21swapper/107:48:191
8330992418,5cyclictest23942-21ntp_offset12:13:391
8330992418,5cyclictest23942-21ntp_offset12:13:391
8330992418,5cyclictest23942-21ntp_offset12:13:391
8330992418,4cyclictest0-21swapper/107:28:361
8330992418,4cyclictest0-21swapper/107:28:361
8330992418,4cyclictest0-21swapper/107:28:361
8330992418,3cyclictest0-21swapper/111:08:411
8330992418,3cyclictest0-21swapper/111:08:411
8330992418,3cyclictest0-21swapper/111:08:411
8330992418,3cyclictest0-21swapper/111:03:351
8330992418,3cyclictest0-21swapper/110:13:191
8330992418,3cyclictest0-21swapper/107:58:441
8330992418,3cyclictest0-21swapper/107:58:441
8330992418,3cyclictest0-21swapper/107:58:441
8333992317,4cyclictest14428-21chrt07:28:393
8333992317,4cyclictest14428-21chrt07:28:393
8333992317,4cyclictest14428-21chrt07:28:393
833299232,5cyclictest0-21swapper/211:43:362
833299232,5cyclictest0-21swapper/211:43:362
833299232,5cyclictest0-21swapper/211:43:362
833299232,5cyclictest0-21swapper/210:38:412
833299232,5cyclictest0-21swapper/210:38:412
833299232,5cyclictest0-21swapper/210:38:412
833299232,5cyclictest0-21swapper/210:28:362
833299232,5cyclictest0-21swapper/210:28:362
833299232,5cyclictest0-21swapper/208:18:352
833299232,5cyclictest0-21swapper/208:18:352
833299232,5cyclictest0-21swapper/207:33:412
833299232,5cyclictest0-21swapper/207:33:412
833299232,5cyclictest0-21swapper/207:33:412
833299232,4cyclictest0-21swapper/210:33:422
833299232,4cyclictest0-21swapper/210:33:422
833299232,4cyclictest0-21swapper/208:03:442
833299232,4cyclictest0-21swapper/208:03:442
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