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2025-12-14 - 14:32

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, slot #6

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
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack3slot6s.osadl.org (updated Sun Dec 14, 2025 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295822114103,6sleep10-21swapper/107:05:231
29907210784,18sleep00-21swapper/007:09:350
29883210796,6sleep30-21swapper/307:09:183
29770210089,6sleep20-21swapper/207:07:492
201732750,0sleep0101ktimersoftd/012:10:190
29966993617,18cyclictest0-21swapper/109:25:121
2996699361,19cyclictest0-21swapper/110:50:131
105242310,0sleep10-21swapper/111:25:151
2996899250,2cyclictest0-21swapper/310:50:133
195412230,2sleep1221ktimersoftd/111:35:121
205292220,1sleep320531-21grep11:00:243
2996699212,2cyclictest0-21swapper/108:30:111
2996699211,18cyclictest0-21swapper/110:20:131
39302200,1sleep00-21swapper/010:43:130
2996899200,2cyclictest0-21swapper/308:30:123
2996899200,18cyclictest0-21swapper/310:20:133
2996699200,18cyclictest0-21swapper/111:55:111
29965991916,2cyclictest0-21swapper/009:50:120
29965991815,2cyclictest0-21swapper/010:05:120
2996799171,14cyclictest14266-21latency_hist12:05:002
2996699171,3cyclictest6675-21snmpd10:15:141
29968991611,3cyclictest0-21swapper/309:40:153
2996799161,13cyclictest0-21swapper/212:20:542
2996799160,2cyclictest14033-21diskmemload11:10:352
2996699166,7cyclictest7497-21gdm-simple-gree09:19:581
2996599160,14cyclictest0-21swapper/011:54:450
2996899156,5cyclictest2-21kthreadd11:08:043
2996799152,6cyclictest0-21swapper/212:10:012
29967991512,2cyclictest0-21swapper/211:21:302
2996799151,12cyclictest14033-21diskmemload11:05:232
29967991510,3cyclictest0-21swapper/210:32:312
2996799150,13cyclictest14033-21diskmemload09:49:312
2996799150,13cyclictest0-21swapper/208:45:062
29966991510,3cyclictest0-21swapper/107:15:201
2996699150,2cyclictest0-21swapper/111:42:291
2996699150,13cyclictest0-21swapper/109:14:281
2996599151,12cyclictest28784-21diskstats12:20:140
29965991511,2cyclictest14033-21diskmemload10:58:540
29965991510,3cyclictest15274-21hddtemp_smartct11:30:140
29965991510,3cyclictest0-21swapper/011:25:190
2996599150,13cyclictest0-21swapper/010:47:240
2996599150,13cyclictest0-21swapper/009:38:080
29968991411,2cyclictest7562-21ssh11:21:183
29968991411,2cyclictest0-21swapper/312:31:493
29968991411,2cyclictest0-21swapper/312:28:583
29968991411,2cyclictest0-21swapper/310:45:283
29968991411,2cyclictest0-21swapper/309:56:073
2996899141,11cyclictest0-21swapper/310:07:023
29968991410,2cyclictest0-21swapper/309:46:483
2996899140,2cyclictest0-21swapper/312:15:293
2996899140,2cyclictest0-21swapper/311:30:183
2996899140,2cyclictest0-21swapper/310:41:483
2996899140,13cyclictest0-21swapper/312:39:583
2996899140,12cyclictest3988-21ssh11:53:303
2996899140,12cyclictest0-21swapper/312:20:193
2996899140,12cyclictest0-21swapper/312:10:093
2996899140,12cyclictest0-21swapper/311:44:193
2996799149,3cyclictest0-21swapper/212:15:492
2996799141,2cyclictest9918-21apt-get09:40:112
29967991411,2cyclictest0-21swapper/211:49:132
2996799141,11cyclictest0-21swapper/211:15:512
2996799140,3cyclictest0-21swapper/212:05:192
2996799140,2cyclictest0-21swapper/211:01:312
2996799140,13cyclictest0-21swapper/212:25:402
2996799140,12cyclictest8767-21ssh12:33:442
2996799140,12cyclictest6623-21ssh10:10:252
2996799140,12cyclictest0-21swapper/211:39:022
2996799140,12cyclictest0-21swapper/210:45:092
2996799140,12cyclictest0-21swapper/210:28:272
2996799140,12cyclictest0-21swapper/209:50:202
2996699142,7cyclictest0-21swapper/111:25:001
2996699142,6cyclictest0-21swapper/112:05:001
29966991411,2cyclictest0-21swapper/112:10:281
2996699140,13cyclictest0-21swapper/112:25:281
2996699140,12cyclictest0-21swapper/109:54:211
29965991411,2cyclictest0-21swapper/012:36:350
29965991411,2cyclictest0-21swapper/009:48:140
2996599141,11cyclictest12088-21rm09:41:280
2996599140,2cyclictest0-21swapper/011:07:060
2996599140,13cyclictest0-21swapper/012:09:360
2996599140,12cyclictest0-21swapper/011:44:270
2996599140,12cyclictest0-21swapper/011:24:570
2996599140,12cyclictest0-21swapper/009:57:250
2996599140,12cyclictest0-21swapper/009:18:460
2996599140,12cyclictest0-21swapper/009:10:170
168072140,2sleep00-21swapper/010:21:210
75222130,2sleep30-21swapper/310:11:193
2996899131,3cyclictest24697-21df_inode08:15:133
29968991310,2cyclictest0-21swapper/312:07:203
29968991310,2cyclictest0-21swapper/311:25:593
29968991310,2cyclictest0-21swapper/311:17:393
29968991310,2cyclictest0-21swapper/310:36:193
29968991310,2cyclictest0-21swapper/310:30:403
2996899130,2cyclictest0-21swapper/310:55:393
2996899130,2cyclictest0-21swapper/307:10:103
2996899130,12cyclictest0-21swapper/311:55:083
2996899130,12cyclictest0-21swapper/310:17:573
2996899130,12cyclictest0-21swapper/310:01:483
2996899130,12cyclictest0-21swapper/309:21:383
2996899130,11cyclictest13845-21ssh12:04:183
2996899130,11cyclictest0-21swapper/309:30:413
2996899130,11cyclictest0-21swapper/309:25:033
2996899130,11cyclictest0-21swapper/309:11:423
2996799132,7cyclictest0-21swapper/207:20:002
2996799132,6cyclictest0-21swapper/209:10:002
2996799132,6cyclictest0-21swapper/208:05:012
2996799132,6cyclictest0-21swapper/207:50:012
2996799131,9cyclictest11057-21ssh12:35:242
29967991310,2cyclictest10056-21ssh10:50:072
29967991310,2cyclictest0-21swapper/210:58:182
29967991310,2cyclictest0-21swapper/210:36:132
29967991310,2cyclictest0-21swapper/210:19:102
29967991310,2cyclictest0-21swapper/210:04:052
29967991310,2cyclictest0-21swapper/209:59:202
29967991310,2cyclictest0-21swapper/209:36:472
29967991310,2cyclictest0-21swapper/209:11:512
2996799130,2cyclictest0-21swapper/211:55:532
2996799130,2cyclictest0-21swapper/211:51:012
2996799130,2cyclictest0-21swapper/209:26:252
2996799130,2cyclictest0-21swapper/209:21:412
2996799130,12cyclictest0-21swapper/211:41:312
2996799130,12cyclictest0-21swapper/210:06:322
2996799130,12cyclictest0-21swapper/209:18:412
2996799130,11cyclictest0-21swapper/211:25:102
2996699133,7cyclictest7497-21gdm-simple-gree12:21:591
2996699132,8cyclictest0-21swapper/109:20:581
2996699131,10cyclictest14033-21diskmemload12:15:171
29966991310,2cyclictest0-21swapper/112:05:591
29966991310,2cyclictest0-21swapper/110:30:581
29966991310,2cyclictest0-21swapper/110:10:161
29966991310,2cyclictest0-21swapper/110:01:071
29966991310,2cyclictest0-21swapper/109:30:141
2996699130,2cyclictest14033-21diskmemload11:54:361
2996699130,2cyclictest14033-21diskmemload11:31:051
2996699130,2cyclictest0-21swapper/109:37:051
2996699130,12cyclictest0-21swapper/111:15:161
2996699130,12cyclictest0-21swapper/110:43:071
2996699130,11cyclictest0-21swapper/108:10:201
2996699130,11cyclictest0-21swapper/108:10:191
2996599130,2cyclictest0-21swapper/012:34:360
2996599130,2cyclictest0-21swapper/007:35:150
2996599130,12cyclictest0-21swapper/010:51:050
2996599130,12cyclictest0-21swapper/010:26:250
2996599130,12cyclictest0-21swapper/009:32:060
2996599130,11cyclictest14033-21diskmemload10:10:520
2996599130,11cyclictest0-21swapper/011:15:040
263352130,2sleep20-21swapper/208:20:052
308722120,2sleep10-21swapper/111:11:441
2996899129,2cyclictest14033-21diskmemload09:16:063
2996899122,6cyclictest6342-21ssh09:35:253
2996899120,2cyclictest0-21swapper/308:10:133
2996899120,2cyclictest0-21swapper/308:10:123
2996899120,11cyclictest0-21swapper/311:39:393
2996899120,11cyclictest0-21swapper/311:11:093
2996899120,11cyclictest0-21swapper/309:50:133
2996899120,11cyclictest0-21swapper/308:45:173
2996899120,10cyclictest0-21swapper/311:45:073
2996799129,2cyclictest10063-21apt-get07:40:112
2996799120,2cyclictest0-21swapper/209:00:192
2996799120,11cyclictest14632-21ssh10:20:032
2996799120,11cyclictest0-21swapper/211:30:262
2996799120,11cyclictest0-21swapper/210:40:572
2996799120,11cyclictest0-21swapper/209:31:292
2996799120,11cyclictest0-21swapper/208:55:162
2996799120,11cyclictest0-21swapper/207:50:252
2996799120,11cyclictest0-21swapper/207:30:002
2996699129,2cyclictest0-21swapper/112:31:211
2996699129,2cyclictest0-21swapper/111:46:151
2996699129,2cyclictest0-21swapper/110:55:141
2996699129,2cyclictest0-21swapper/109:48:181
2996699129,2cyclictest0-21swapper/108:45:181
2996699128,2cyclictest0-21swapper/109:40:121
2996699127,3cyclictest5818-21munin-node1
2996699127,3cyclictest0-21swapper/110:35:241
2996699127,3cyclictest0-21swapper/109:00:181
2996699124,6cyclictest6318-21Xorg07:36:591
2996699123,6cyclictest0-21swapper/109:55:091
2996699122,8cyclictest0-21swapper/108:20:001
2996699122,7cyclictest7497-21gdm-simple-gree08:07:581
2996699121,9cyclictest0-21swapper/108:20:261
2996699121,3cyclictest5911-21tune2fs10:45:161
2996699121,3cyclictest15910-21updatedb.mlocat07:53:351
2996699120,2cyclictest0-21swapper/112:35:141
2996699120,11cyclictest0-21swapper/111:01:391
2996699120,11cyclictest0-21swapper/110:28:361
2996699120,11cyclictest0-21swapper/110:05:211
2996699120,11cyclictest0-21swapper/108:35:151
2996599129,2cyclictest0-21swapper/011:37:260
2996599129,2cyclictest0-21swapper/010:36:300
2996599121,3cyclictest0-21swapper/008:45:000
29965991210,1cyclictest0-21swapper/008:15:160
2996599120,2cyclictest14033-21diskmemload12:27:220
2996599120,1cyclictest14033-21diskmemload09:26:360
2996599120,1cyclictest0-21swapper/011:46:050
2996599120,11cyclictest0-21swapper/012:16:450
2996599120,11cyclictest0-21swapper/011:00:560
2996599120,11cyclictest0-21swapper/010:00:160
2996599120,11cyclictest0-21swapper/009:24:070
2996599120,11cyclictest0-21swapper/007:50:160
2996599120,10cyclictest14033-21diskmemload11:59:030
2996599120,10cyclictest14033-21diskmemload10:19:250
2996599120,10cyclictest0-21swapper/011:13:250
2996899118,2cyclictest0-21swapper/307:30:193
2996899112,5cyclictest0-21swapper/309:00:013
2996799112,7cyclictest0-21swapper/208:16:582
2996799110,10cyclictest0-21swapper/208:25:182
2996699116,3cyclictest0-21swapper/107:40:141
2996699116,3cyclictest0-21swapper/107:20:141
2996699112,6cyclictest0-21swapper/108:40:011
2996699111,7cyclictest7497-21gdm-simple-gree08:00:591
2996699111,3cyclictest3773-21munin-node1
2996699110,9cyclictest23938-21munin-node1
2996699110,3cyclictest0-21swapper/108:25:121
2996699110,3cyclictest0-21swapper/107:55:171
2996699110,3cyclictest0-21swapper/107:45:101
2996599118,2cyclictest14033-21diskmemload10:31:450
2996599113,6cyclictest0-21swapper/008:10:250
2996599113,6cyclictest0-21swapper/008:10:240
2996599112,6cyclictest0-21swapper/007:16:590
2996599111,6cyclictest0-21swapper/007:14:370
2996599110,10cyclictest0-21swapper/012:01:050
285392110,2sleep30-21swapper/308:25:143
2996899107,2cyclictest0-21swapper/307:55:173
2996899105,3cyclictest0-21swapper/308:50:173
2996899102,6cyclictest0-21swapper/307:15:583
2996899102,5cyclictest0-21swapper/307:26:023
2996899102,5cyclictest0-21swapper/307:21:593
2996899100,5cyclictest0-21swapper/307:52:583
2996899100,2cyclictest0-21swapper/308:40:173
2996799107,2cyclictest0-21swapper/208:40:302
2996799107,2cyclictest0-21swapper/208:05:162
2996799105,3cyclictest17108-21tr07:55:162
2996799102,7cyclictest0-21swapper/207:14:592
2996799102,6cyclictest0-21swapper/208:31:592
2996799102,6cyclictest0-21swapper/207:20:262
2996799101,6cyclictest0-21swapper/207:35:122
2996699106,2cyclictest8205-21munin-node1
2996699105,3cyclictest30173-21munin-node1
2996699100,8cyclictest6048-21apt-get08:50:121
2996699100,8cyclictest0-21swapper/109:05:121
2996599105,3cyclictest6329-21grep08:50:150
2996599105,3cyclictest1724-21cron08:40:010
2996599102,6cyclictest0-21swapper/009:04:590
2996599102,6cyclictest0-21swapper/008:30:220
2996599102,6cyclictest0-21swapper/007:44:440
2996599102,6cyclictest0-21swapper/007:29:410
2996599101,5cyclictest0-21swapper/008:00:110
2996599100,8cyclictest0-21swapper/008:45:050
2996599100,2cyclictest0-21swapper/008:24:550
2996599100,2cyclictest0-21swapper/007:45:140
299689996,2cyclictest0-21swapper/309:07:093
299689995,2cyclictest10329-21cpuspeed_turbos07:40:133
299689994,3cyclictest20235-21ntp_kernel_err10:25:183
299689994,3cyclictest18809-21cut08:00:143
299689994,3cyclictest13008-21wc07:45:183
299689994,3cyclictest0-21swapper/308:20:203
299689990,7cyclictest0-21swapper/308:35:153
299679994,3cyclictest4045-21cpuspeed_turbos07:25:162
299679994,3cyclictest32571-21cpu08:35:142
299679994,3cyclictest22536-21cpuspeed_turbos08:10:142
299679994,3cyclictest22536-21cpuspeed_turbos08:10:142
299679990,8cyclictest0-21swapper/208:50:202
299659994,3cyclictest7323-21unixbench_singl07:30:260
299659994,3cyclictest2049-21cpuspeed_turbos07:20:140
299659991,4cyclictest0-21swapper/009:05:000
299659990,8cyclictest0-21swapper/007:55:120
299689983,3cyclictest8247-21ls07:35:143
299689983,3cyclictest21948-21taskset08:08:193
299689983,3cyclictest10282-21aten2.4_r3power09:00:123
299659984,2cyclictest8526-21df_abs08:55:130
299659983,3cyclictest28900-21tune2fs08:25:160
299659983,3cyclictest20351-21aten2.4_r3power08:05:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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