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2026-07-21 - 02:10

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 the highest latencies:
System rack3slot6s.osadl.org (updated Tue Jul 21, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114422116105,6sleep20-21swapper/219:09:382
11215210998,6sleep30-21swapper/319:06:443
2930721070,1sleep00-21swapper/021:44:580
11378210685,16sleep00-21swapper/019:08:480
11359210695,6sleep10-21swapper/119:08:331
94742920,0sleep30-21swapper/300:10:153
246332760,0sleep00-21swapper/022:45:300
163272740,1sleep20-21swapper/222:37:022
101792730,1sleep0101ktimersoftd/023:04:540
254242700,1sleep20-21swapper/223:53:342
36392670,0sleep10-21swapper/121:18:051
34732290,0sleep30-21swapper/300:04:413
1149899230,2cyclictest27571-21diskmemload23:15:121
1149799230,21cyclictest0-21swapper/022:30:110
11500992219,2cyclictest1302-21kworker/u8:121:56:053
11499992219,2cyclictest3638-21kworker/u8:222:40:052
11499992219,2cyclictest24853-21kworker/u8:222:02:052
11499992218,2cyclictest5322-21kworker/u8:021:22:042
1149799220,2cyclictest0-21swapper/020:55:130
314622210,1sleep10-21swapper/121:13:321
11500992118,2cyclictest29895-21kworker/u8:321:12:013
11500992117,2cyclictest12166-21kworker/u8:123:43:043
11499992118,2cyclictest3638-21kworker/u8:222:55:042
11499992118,2cyclictest3638-21kworker/u8:222:55:042
11499992118,2cyclictest3638-21kworker/u8:222:25:042
11499992118,2cyclictest29895-21kworker/u8:321:18:042
11499992118,2cyclictest22665-21kworker/u8:223:45:042
11499992118,2cyclictest22665-21kworker/u8:223:44:042
1149799210,2cyclictest0-21swapper/023:10:110
190602200,0sleep00-21swapper/020:46:030
11500992017,2cyclictest9778-21kworker/u8:120:36:043
11500992017,2cyclictest6072-21kworker/u8:000:39:043
11500992017,2cyclictest5322-21kworker/u8:021:34:043
11500992017,2cyclictest29664-21kworker/u8:122:54:013
11500992017,2cyclictest27938-21kworker/u8:020:00:043
11500992017,2cyclictest11854-21kworker/u8:121:38:043
11500992016,2cyclictest17811-21kworker/u8:122:42:043
1150099201,17cyclictest0-21swapper/323:15:133
11499992017,2cyclictest9778-21kworker/u8:120:34:042
11499992017,2cyclictest7352-21kworker/u8:221:09:052
11499992017,2cyclictest5322-21kworker/u8:021:48:012
11499992017,2cyclictest3638-21kworker/u8:222:48:012
11499992017,2cyclictest31547-21kworker/u8:200:06:052
11499992017,2cyclictest26152-21kworker/u8:200:30:052
11499992017,2cyclictest21737-21kworker/u8:222:13:042
11499992017,2cyclictest1302-21kworker/u8:121:50:042
1149799204,14cyclictest2486-21df_abs21:50:140
1150099192,2cyclictest0-21swapper/321:43:053
11500991916,2cyclictest7352-21kworker/u8:221:02:013
11500991916,2cyclictest29174-21kworker/u8:122:17:043
11500991916,2cyclictest27938-21kworker/u8:019:59:043
11500991916,2cyclictest27938-21kworker/u8:019:54:043
11500991916,2cyclictest21737-21kworker/u8:222:12:043
11500991916,2cyclictest16805-21kworker/u8:219:28:043
11500991916,2cyclictest12166-21kworker/u8:123:57:043
11500991915,3cyclictest19387-21kworker/u8:020:56:053
1150099190,2cyclictest0-21swapper/322:38:053
1150099190,14cyclictest0-21swapper/322:06:053
11499991916,2cyclictest9182-21kworker/u8:019:18:042
11499991916,2cyclictest9182-21kworker/u8:019:14:012
11499991916,2cyclictest8318-21kworker/u8:223:03:042
11499991916,2cyclictest7352-21kworker/u8:220:42:022
11499991916,2cyclictest7352-21kworker/u8:220:29:042
11499991916,2cyclictest6072-21kworker/u8:000:36:042
11499991916,2cyclictest27938-21kworker/u8:020:21:042
11499991916,2cyclictest27938-21kworker/u8:019:56:052
11499991916,2cyclictest26152-21kworker/u8:200:27:042
11499991916,2cyclictest22665-21kworker/u8:223:27:042
11499991916,2cyclictest22665-21kworker/u8:223:18:042
11499991916,2cyclictest21737-21kworker/u8:222:15:042
11499991916,2cyclictest19795-21kworker/u8:120:12:042
11499991916,2cyclictest19795-21kworker/u8:119:44:042
11499991916,2cyclictest17611-21kworker/u8:023:22:042
11499991916,2cyclictest16805-21kworker/u8:219:26:042
11499991916,2cyclictest16726-21kworker/u8:122:09:042
11499991916,2cyclictest11854-21kworker/u8:121:40:042
1149999190,2cyclictest0-21swapper/200:00:052
1149899190,4cyclictest0-21swapper/100:31:041
1149899190,14cyclictest7296-21unixbench_singl21:21:041
11497991914,3cyclictest15063-21ssh21:30:120
11497991913,4cyclictest8049-21rm21:22:120
202242180,0sleep00-21swapper/019:30:140
202242180,0sleep00-21swapper/019:30:140
11500991815,2cyclictest8318-21kworker/u8:223:11:043
11500991815,2cyclictest7352-21kworker/u8:220:44:043
11500991815,2cyclictest7352-21kworker/u8:220:27:043
11500991815,2cyclictest6309-21kworker/u8:023:35:043
11500991815,2cyclictest5322-21kworker/u8:021:48:053
11500991815,2cyclictest29895-21kworker/u8:321:20:043
11500991815,2cyclictest29664-21kworker/u8:123:04:043
11500991815,2cyclictest29174-21kworker/u8:122:20:043
11500991815,2cyclictest26152-21kworker/u8:200:32:043
11500991815,2cyclictest26152-21kworker/u8:200:28:013
11500991815,2cyclictest19795-21kworker/u8:120:14:043
11500991815,2cyclictest17811-21kworker/u8:122:45:043
11499991815,2cyclictest9778-21kworker/u8:120:47:042
11499991815,2cyclictest7352-21kworker/u8:221:04:012
11499991815,2cyclictest29664-21kworker/u8:123:05:042
11499991815,2cyclictest27938-21kworker/u8:020:05:042
11499991815,2cyclictest23861-21kworker/u8:219:47:042
11499991815,2cyclictest19795-21kworker/u8:120:18:052
11499991815,2cyclictest19795-21kworker/u8:119:51:052
11499991815,2cyclictest19387-21kworker/u8:020:57:042
11499991815,2cyclictest12166-21kworker/u8:123:56:042
11499991815,2cyclictest10336-21kworker/u8:021:58:042
1149899180,12cyclictest0-21swapper/123:31:051
1149799184,3cyclictest3923-21ssh21:18:300
1149799182,14cyclictest0-21swapper/000:00:550
11497991813,3cyclictest30678-21ssh23:59:110
11497991813,3cyclictest0-21swapper/023:37:560
11500991714,2cyclictest9182-21kworker/u8:019:17:043
11500991714,2cyclictest7352-21kworker/u8:221:05:043
11500991714,2cyclictest7352-21kworker/u8:220:51:043
11500991714,2cyclictest7352-21kworker/u8:220:45:043
11500991714,2cyclictest5322-21kworker/u8:021:27:043
11500991714,2cyclictest3638-21kworker/u8:222:56:053
11500991714,2cyclictest3638-21kworker/u8:222:56:043
11500991714,2cyclictest3638-21kworker/u8:222:29:043
11500991714,2cyclictest29880-21kworker/u8:123:33:043
11500991714,2cyclictest24853-21kworker/u8:222:04:013
11500991714,2cyclictest22665-21kworker/u8:223:28:043
11500991714,2cyclictest16805-21kworker/u8:219:30:053
11500991714,2cyclictest16805-21kworker/u8:219:30:043
11500991714,2cyclictest13642-21kworker/u8:100:16:043
11500991714,2cyclictest11532-21kworker/u8:022:34:053
1150099170,15cyclictest0-21swapper/323:05:133
11499991714,2cyclictest9778-21kworker/u8:120:39:042
11499991714,2cyclictest9182-21kworker/u8:019:36:042
11499991714,2cyclictest9182-21kworker/u8:019:33:052
11499991714,2cyclictest9182-21kworker/u8:019:33:042
11499991714,2cyclictest29664-21kworker/u8:122:54:052
11499991714,2cyclictest17611-21kworker/u8:023:14:042
11499991714,2cyclictest13642-21kworker/u8:100:18:012
11499991714,2cyclictest11854-21kworker/u8:121:32:052
1149799174,11cyclictest13582-21ssh23:40:510
1149799173,3cyclictest1501-21ssh22:21:530
1149799173,12cyclictest0-21swapper/000:09:090
11497991712,4cyclictest0-21swapper/023:15:040
11497991712,3cyclictest23799-21chrt19:40:130
11497991712,3cyclictest13287-21ssh21:27:480
11500991613,2cyclictest24853-21kworker/u8:221:53:043
11500991613,2cyclictest13642-21kworker/u8:100:21:043
1150099161,13cyclictest24954-21python19:41:023
11499991613,2cyclictest16805-21kworker/u8:219:21:042
11499991613,2cyclictest11854-21kworker/u8:121:39:042
1149999160,2cyclictest0-21swapper/222:32:042
1149899160,8cyclictest25175-21mailstats00:26:011
1149799162,13cyclictest0-21swapper/023:47:230
1149799162,12cyclictest19741-21ssh22:40:260
1149799161,3cyclictest0-21swapper/019:15:140
11497991611,4cyclictest0-21swapper/020:25:170
1149799161,13cyclictest0-21swapper/021:12:360
11500991512,2cyclictest9182-21kworker/u8:019:20:043
11500991512,2cyclictest31547-21kworker/u8:200:08:053
11500991512,2cyclictest19795-21kworker/u8:120:17:043
11499991512,2cyclictest6309-21kworker/u8:023:36:042
11499991512,2cyclictest27938-21kworker/u8:020:03:042
1149999150,13cyclictest0-21swapper/200:13:072
1149899151,2cyclictest12911-21ssh21:27:131
1149899151,12cyclictest23547-21gpgv21:00:001
1149899150,3cyclictest21129-21grep19:31:031
1149899150,3cyclictest21129-21grep19:31:031
1149899150,2cyclictest0-21swapper/122:15:131
1149899150,13cyclictest0-21swapper/122:39:331
1149799153,2cyclictest19981-21ssh00:20:390
1149799152,8cyclictest26314-21ssh22:15:000
1149799152,7cyclictest0-21swapper/022:40:000
1149799152,12cyclictest0-21swapper/022:55:010
1149799152,12cyclictest0-21swapper/022:55:010
1149799151,3cyclictest3728-21runrttasks22:11:370
11497991511,3cyclictest0-21swapper/022:00:030
11497991511,3cyclictest0-21swapper/000:33:040
1149799151,12cyclictest0-21swapper/021:48:330
1149799151,12cyclictest0-21swapper/000:26:560
1149799150,2cyclictest0-21swapper/021:55:130
1149799150,13cyclictest25913-21ssh23:20:180
1149799150,13cyclictest24717-21grep21:00:180
11500991411,2cyclictest7352-21kworker/u8:220:20:043
11500991411,2cyclictest22665-21kworker/u8:223:46:043
1150099140,2cyclictest0-21swapper/321:16:043
1150099140,12cyclictest26164-21df_abs19:45:133
11499991411,2cyclictest7352-21kworker/u8:220:54:042
1149999140,2cyclictest0-21swapper/221:12:052
1149999140,12cyclictest2243-21apt-get23:30:112
11498991411,2cyclictest0-21swapper/123:39:131
11498991411,2cyclictest0-21swapper/122:45:341
11498991411,2cyclictest0-21swapper/120:16:031
11498991411,2cyclictest0-21swapper/119:35:131
11498991411,2cyclictest0-21swapper/119:20:141
11498991411,2cyclictest0-21swapper/100:11:031
1149899141,11cyclictest0-21swapper/123:20:181
11498991410,2cyclictest0-21swapper/119:26:051
1149899140,2cyclictest27571-21diskmemload00:02:041
1149899140,2cyclictest0-21swapper/123:45:131
1149899140,2cyclictest0-21swapper/122:21:141
1149899140,2cyclictest0-21swapper/122:12:031
1149899140,13cyclictest0-21swapper/123:09:241
1149899140,12cyclictest0-21swapper/121:33:441
1149799149,3cyclictest0-21swapper/020:21:000
1149799144,8cyclictest6937-21munin-run23:35:000
1149799142,11cyclictest0-21swapper/022:50:210
11497991411,2cyclictest0-21swapper/000:10:150
1149799140,12cyclictest25747-21ssh23:54:050
1149799140,12cyclictest0-21swapper/022:26:480
1149799140,12cyclictest0-21swapper/020:15:140
11500991310,2cyclictest5256-21kworker/u8:119:10:043
11499991310,2cyclictest0-21swapper/222:20:182
1149999130,2cyclictest0-21swapper/200:20:162
1149999130,12cyclictest0-21swapper/221:28:502
1149899138,3cyclictest27571-21diskmemload22:25:171
11498991310,2cyclictest0-21swapper/123:10:161
11498991310,2cyclictest0-21swapper/122:05:161
11498991310,2cyclictest0-21swapper/121:59:461
11498991310,2cyclictest0-21swapper/121:54:361
11498991310,2cyclictest0-21swapper/100:35:231
11498991310,2cyclictest0-21swapper/100:18:361
1149899130,2cyclictest0-21swapper/122:03:561
1149899130,12cyclictest0-21swapper/123:50:531
1149899130,12cyclictest0-21swapper/123:43:341
1149899130,12cyclictest0-21swapper/122:42:431
1149899130,11cyclictest0-21swapper/123:28:261
1149899130,11cyclictest0-21swapper/122:55:541
1149899130,11cyclictest0-21swapper/122:55:541
1149899130,11cyclictest0-21swapper/122:51:151
1149899130,11cyclictest0-21swapper/120:50:201
1149899130,11cyclictest0-21swapper/120:45:191
1149899130,11cyclictest0-21swapper/120:25:291
1149799139,3cyclictest0-21swapper/000:18:350
1149799138,4cyclictest0-21swapper/000:35:070
1149799132,7cyclictest0-21swapper/020:35:010
11497991310,2cyclictest0-21swapper/020:35:150
11497991310,2cyclictest0-21swapper/020:10:180
1149799130,2cyclictest0-21swapper/020:00:030
1149799130,12cyclictest0-21swapper/021:38:160
1149799130,12cyclictest0-21swapper/020:40:160
1149799130,11cyclictest0-21swapper/023:26:070
1150099120,2cyclictest0-21swapper/323:53:093
1150099120,11cyclictest0-21swapper/323:22:193
1149899129,2cyclictest0-21swapper/121:45:161
1149899129,2cyclictest0-21swapper/121:01:031
1149899129,2cyclictest0-21swapper/120:05:301
1149899129,2cyclictest0-21swapper/100:21:161
1149899129,2cyclictest0-21swapper/100:05:051
1149899122,8cyclictest0-21swapper/122:30:141
1149899122,7cyclictest0-21swapper/120:00:011
1149899122,7cyclictest0-21swapper/119:13:581
1149899120,2cyclictest0-21swapper/123:59:071
1149899120,2cyclictest0-21swapper/123:00:321
1149899120,2cyclictest0-21swapper/120:30:111
1149899120,2cyclictest0-21swapper/119:45:151
1149899120,2cyclictest0-21swapper/119:41:041
1149899120,11cyclictest5322-21kworker/u8:021:44:041
1149899120,11cyclictest0-21swapper/121:35:331
1149899120,11cyclictest0-21swapper/119:50:151
1149799126,4cyclictest3192-21chrt20:09:220
1149799126,4cyclictest26670-21grep21:05:180
1149799126,4cyclictest16828-21dpkg22:05:100
1149799126,4cyclictest16672-21munin-node0
1149799126,4cyclictest12847-21tr19:11:010
1149799126,4cyclictest11420-21munin-node0
1149799125,5cyclictest25806-21munin-node0
1149799125,5cyclictest22067-21grep19:35:130
1149799125,5cyclictest18039-21cut19:25:150
1149799124,6cyclictest30261-21fschecks_count19:55:140
1150099112,7cyclictest0-21swapper/320:33:583
1150099110,10cyclictest0-21swapper/320:07:043
1149899118,2cyclictest0-21swapper/119:15:141
1149899110,10cyclictest27938-21kworker/u8:020:24:041
1149799115,4cyclictest3728-21runrttasks19:50:020
1149799115,4cyclictest19772-21aten2.4_r3power20:50:130
1149899107,2cyclictest0-21swapper/120:40:101
1149899107,2cyclictest0-21swapper/119:55:121
1149899106,2cyclictest0-21swapper/121:05:171
1149899100,3cyclictest0-21swapper/120:35:201
115009994,3cyclictest232932sleep319:36:423
114989990,7cyclictest0-21swapper/120:10:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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