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2026-07-04 - 05:49

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 Sat Jul 04, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22265211594,16sleep00-21swapper/019:08:510
22204211396,12sleep10-21swapper/119:08:041
22123210686,14sleep30-21swapper/319:07:033
22170210379,18sleep20-21swapper/219:07:382
66602840,0sleep06662-21cut22:55:120
293952770,1sleep10-21swapper/122:45:111
262782700,1sleep20-21swapper/222:05:562
22383993817,19cyclictest6458-21ssh22:20:113
2238399371,18cyclictest0-21swapper/321:20:123
2238199280,12cyclictest0-21swapper/121:20:121
138072250,0sleep10-21swapper/121:17:521
4912220,0sleep10-21swapper/121:38:491
2238399210,19cyclictest0-21swapper/322:35:113
2238399210,19cyclictest0-21swapper/322:35:103
147942210,0sleep10-21swapper/121:54:171
134242210,0sleep00-21swapper/023:38:050
22382992017,2cyclictest15559-21kworker/u8:122:37:052
22382992017,2cyclictest15559-21kworker/u8:122:37:042
2238199192,2cyclictest0-21swapper/121:26:021
2238099190,2cyclictest0-21swapper/020:35:110
301962180,1sleep230204-21needreboot22:45:162
22382991815,2cyclictest7684-21kworker/u8:021:49:052
171262170,1sleep2301ktimersoftd/200:17:102
22382991613,2cyclictest1660-21kworker/u8:122:02:052
22382991612,3cyclictest12647-21kworker/u8:120:06:052
2238299161,13cyclictest0-21swapper/220:50:142
2238199161,3cyclictest0-21swapper/123:30:131
2238199161,3cyclictest0-21swapper/122:34:591
2238199160,2cyclictest0-21swapper/122:00:051
2238399150,13cyclictest6189-21diskmemload21:27:053
22381991510,3cyclictest7049-21sed21:45:151
2238199150,13cyclictest24700-21if_eth023:50:141
2238199150,13cyclictest0-21swapper/100:20:381
2238099150,2cyclictest0-21swapper/021:26:020
2238099150,13cyclictest0-21swapper/022:31:530
2238399149,3cyclictest11585-21seq23:35:403
2238399141,11cyclictest582-21apt-get00:00:103
2238399140,3cyclictest25368-21ssh23:15:183
2238399140,2cyclictest0-21swapper/323:02:463
2238399140,2cyclictest0-21swapper/319:10:163
22382991411,2cyclictest30645-21kworker/u8:023:59:052
2238299140,3cyclictest0-21swapper/223:17:262
2238299140,2cyclictest0-21swapper/222:21:002
2238299140,13cyclictest0-21swapper/200:25:042
2238299140,12cyclictest0-21swapper/200:39:562
2238299140,12cyclictest0-21swapper/200:05:122
2238199149,3cyclictest0-21swapper/122:20:401
2238199140,3cyclictest29573-21fschecks_time23:20:141
2238199140,2cyclictest6189-21diskmemload22:18:061
2238199140,2cyclictest0-21swapper/123:39:441
2238199140,2cyclictest0-21swapper/120:05:111
2238199140,2cyclictest0-21swapper/100:17:251
2238199140,12cyclictest0-21swapper/122:38:001
2238199140,12cyclictest0-21swapper/122:37:591
22380991411,2cyclictest0-21swapper/023:00:140
22380991411,2cyclictest0-21swapper/000:35:340
2238099140,2cyclictest0-21swapper/023:27:040
2238099140,2cyclictest0-21swapper/022:53:130
2238099140,13cyclictest6189-21diskmemload22:10:040
2238099140,13cyclictest0-21swapper/023:23:240
2238099140,13cyclictest0-21swapper/021:10:140
2238099140,12cyclictest0-21swapper/023:45:110
2238099140,12cyclictest0-21swapper/021:35:170
2238099140,12cyclictest0-21swapper/019:35:180
2238399133,6cyclictest0-21swapper/320:46:023
2238399132,7cyclictest0-21swapper/322:05:003
2238399132,6cyclictest0-21swapper/323:55:003
2238399132,6cyclictest0-21swapper/322:55:013
2238399132,6cyclictest0-21swapper/321:40:003
22383991310,2cyclictest0-21swapper/321:55:163
22383991310,2cyclictest0-21swapper/300:20:163
2238399130,2cyclictest0-21swapper/300:39:063
2238399130,12cyclictest0-21swapper/300:15:173
2238399130,11cyclictest0-21swapper/322:42:463
2238299138,3cyclictest0-21swapper/222:44:002
22382991310,2cyclictest9980-21kworker/u8:220:01:042
22382991310,2cyclictest26694-21kworker/u8:221:26:052
22382991310,2cyclictest22076-21kworker/u8:123:20:052
22382991310,2cyclictest0-21swapper/223:36:582
22382991310,2cyclictest0-21swapper/223:31:022
22382991310,2cyclictest0-21swapper/222:59:092
22382991310,2cyclictest0-21swapper/222:54:202
22382991310,2cyclictest0-21swapper/221:10:192
2238299130,2cyclictest6189-21diskmemload22:31:002
2238299130,2cyclictest0-21swapper/222:25:152
2238299130,2cyclictest0-21swapper/222:18:042
2238299130,2cyclictest0-21swapper/221:35:392
2238299130,12cyclictest6189-21diskmemload00:32:302
2238299130,12cyclictest20670-21ssh00:21:002
2238299130,12cyclictest0-21swapper/223:51:262
2238299130,12cyclictest0-21swapper/223:47:402
2238299130,12cyclictest0-21swapper/223:40:582
2238299130,12cyclictest0-21swapper/223:25:192
2238299130,12cyclictest0-21swapper/223:05:102
2238299130,12cyclictest0-21swapper/221:19:582
2238299130,12cyclictest0-21swapper/200:00:162
2238299130,11cyclictest0-21swapper/220:26:042
2238199132,9cyclictest1467-21cut22:50:101
2238199132,6cyclictest0-21swapper/100:30:001
2238199131,7cyclictest6189-21diskmemload22:10:011
2238199131,10cyclictest0-21swapper/120:55:131
22381991310,2cyclictest0-21swapper/123:45:041
22381991310,2cyclictest0-21swapper/123:42:511
22381991310,2cyclictest0-21swapper/123:12:151
22381991310,2cyclictest0-21swapper/123:08:191
22381991310,2cyclictest0-21swapper/122:29:111
22381991310,2cyclictest0-21swapper/121:40:301
22381991310,2cyclictest0-21swapper/100:05:301
2238199130,2cyclictest28943-21fschecks_count23:55:131
2238199130,2cyclictest0-21swapper/123:17:041
2238199130,2cyclictest0-21swapper/123:03:221
2238199130,2cyclictest0-21swapper/122:43:541
2238199130,2cyclictest0-21swapper/121:55:051
2238199130,2cyclictest0-21swapper/121:31:341
2238199130,2cyclictest0-21swapper/100:11:521
2238199130,2cyclictest0-21swapper/100:01:001
2238199130,12cyclictest0-21swapper/121:13:211
2238199130,12cyclictest0-21swapper/100:39:161
2238199130,11cyclictest6189-21diskmemload22:05:091
2238099130,2cyclictest0-21swapper/022:18:060
2238099130,2cyclictest0-21swapper/021:52:440
2238099130,2cyclictest0-21swapper/021:32:440
2238099130,2cyclictest0-21swapper/020:40:140
2238099130,12cyclictest0-21swapper/023:05:190
2238099130,12cyclictest0-21swapper/000:00:240
2238099130,11cyclictest0-21swapper/023:58:340
2238099130,11cyclictest0-21swapper/021:55:070
135352130,0sleep20-21swapper/223:02:312
90892120,2sleep00-21swapper/021:47:390
69992120,2sleep011-21rcuc/019:50:130
2238399129,2cyclictest0-21swapper/323:33:283
2238399129,2cyclictest0-21swapper/323:07:483
2238399129,2cyclictest0-21swapper/322:15:183
2238399129,2cyclictest0-21swapper/321:50:113
2238399129,2cyclictest0-21swapper/321:15:193
2238399129,2cyclictest0-21swapper/300:30:163
2238399129,2cyclictest0-21swapper/300:05:183
2238399122,6cyclictest0-21swapper/322:35:013
2238399121,9cyclictest5186-21ssh23:29:203
2238399121,6cyclictest0-21swapper/323:15:003
2238399120,2cyclictest9049-21ssh22:57:293
2238399120,2cyclictest18542-21ssh23:43:593
2238399120,2cyclictest0-21swapper/300:11:193
2238399120,11cyclictest0-21swapper/323:24:183
2238399120,11cyclictest0-21swapper/300:29:053
2238399120,10cyclictest0-21swapper/323:58:263
2238299129,2cyclictest30710-21kworker/u8:120:58:052
2238299129,2cyclictest12647-21kworker/u8:120:13:042
2238299127,3cyclictest0-21swapper/220:35:112
2238299120,2cyclictest0-21swapper/221:52:592
2238299120,2cyclictest0-21swapper/200:12:292
2238299120,1cyclictest0-21swapper/221:32:032
2238299120,1cyclictest0-21swapper/219:20:112
2238299120,11cyclictest0-21swapper/223:10:392
2238299120,11cyclictest0-21swapper/222:14:292
2238299120,11cyclictest0-21swapper/221:55:072
2238299120,11cyclictest0-21swapper/221:21:352
2238299120,11cyclictest0-21swapper/220:45:152
2238199128,2cyclictest0-21swapper/120:36:031
2238199121,9cyclictest28553-21grep00:30:111
2238199121,9cyclictest0-21swapper/119:55:171
2238199121,9cyclictest0-21swapper/119:35:101
2238199121,9cyclictest0-21swapper/119:15:151
2238199121,9cyclictest0-21swapper/119:15:151
2238199120,3cyclictest0-21swapper/119:45:161
2238199120,2cyclictest0-21swapper/122:55:521
2238199120,2cyclictest0-21swapper/120:20:181
2238199120,11cyclictest0-21swapper/123:25:271
2238199120,11cyclictest0-21swapper/119:51:201
2238199120,11cyclictest0-21swapper/119:10:011
2238099129,2cyclictest6189-21diskmemload23:42:470
2238099129,2cyclictest28887-21ssh22:44:480
2238099129,2cyclictest0-21swapper/022:49:030
2238099129,2cyclictest0-21swapper/022:23:070
2238099129,2cyclictest0-21swapper/021:20:140
2238099129,2cyclictest0-21swapper/000:31:050
2238099129,2cyclictest0-21swapper/000:20:050
2238099129,2cyclictest0-21swapper/000:05:120
2238099128,3cyclictest4929-21ssh21:43:140
2238099120,2cyclictest0-21swapper/023:16:490
2238099120,2cyclictest0-21swapper/000:25:510
2238099120,11cyclictest0-21swapper/023:32:130
2238099120,11cyclictest0-21swapper/023:10:140
2238099120,11cyclictest0-21swapper/021:15:580
2238099120,11cyclictest0-21swapper/020:00:160
2238099120,11cyclictest0-21swapper/019:45:170
2238099120,11cyclictest0-21swapper/019:41:010
2238099120,11cyclictest0-21swapper/019:25:160
2238099120,10cyclictest0-21swapper/000:15:070
246982110,1sleep324699-21sh21:30:103
2238399118,2cyclictest0-21swapper/322:49:463
2238399118,2cyclictest0-21swapper/322:25:353
2238399118,2cyclictest0-21swapper/322:07:563
2238399118,2cyclictest0-21swapper/320:40:163
2238399118,2cyclictest0-21swapper/320:25:163
2238399118,2cyclictest0-21swapper/319:45:123
2238399118,2cyclictest0-21swapper/319:35:163
2238399112,6cyclictest0-21swapper/321:06:013
2238399111,6cyclictest0-21swapper/321:01:003
2238399110,2cyclictest0-21swapper/323:45:123
2238399110,2cyclictest0-21swapper/322:14:273
2238399110,2cyclictest0-21swapper/321:43:493
2238399110,10cyclictest0-21swapper/321:46:383
2238399110,10cyclictest0-21swapper/321:11:273
2238299118,2cyclictest26694-21kworker/u8:221:09:052
2238299118,2cyclictest2320-21kworker/u8:021:01:052
2238299118,2cyclictest16634-21kworker/u8:020:42:052
2238299118,2cyclictest0-21swapper/220:15:172
2238299118,2cyclictest0-21swapper/219:45:182
2238299118,2cyclictest0-21swapper/219:40:132
2238299118,2cyclictest0-21swapper/219:25:142
2238299118,2cyclictest0-21swapper/219:10:182
2238299116,3cyclictest675-21fschecks_count19:35:122
2238199119,1cyclictest0-21swapper/119:25:171
2238199117,2cyclictest0-21swapper/120:31:031
2238199117,2cyclictest0-21swapper/120:15:181
2238199111,8cyclictest11202-21sed20:00:151
2238199111,3cyclictest28634-21munin-node1
2238199110,9cyclictest0-21swapper/121:05:291
2238199110,9cyclictest0-21swapper/120:40:131
2238199110,9cyclictest0-21swapper/120:25:141
2238199110,9cyclictest0-21swapper/119:40:191
2238199110,3cyclictest0-21swapper/119:21:021
2238099118,2cyclictest0-21swapper/023:50:570
2238099118,2cyclictest0-21swapper/021:00:120
2238099118,2cyclictest0-21swapper/020:46:030
2238099118,2cyclictest0-21swapper/020:05:150
2238099118,2cyclictest0-21swapper/000:10:130
2238099116,3cyclictest4698-21grep21:05:120
2238099110,9cyclictest0-21swapper/022:05:090
2238099110,2cyclictest0-21swapper/022:37:540
2238099110,2cyclictest0-21swapper/022:37:540
2238099110,2cyclictest0-21swapper/022:00:240
2238099110,2cyclictest0-21swapper/019:31:020
180852110,2sleep30-21swapper/320:17:223
2238399105,3cyclictest30055-21grep19:26:023
2238399104,4cyclictest26017-21grep20:36:023
2238399100,9cyclictest0-21swapper/320:51:013
2238399100,9cyclictest0-21swapper/319:31:213
2238399100,9cyclictest0-21swapper/319:15:123
2238399100,9cyclictest0-21swapper/319:15:113
2238399100,6cyclictest0-21swapper/320:11:003
2238299107,2cyclictest30690-21kworker/u8:119:32:052
2238299107,2cyclictest24199-21kworker/u8:219:15:052
2238299107,2cyclictest24199-21kworker/u8:219:15:042
2238299107,2cyclictest2299-21kworker/u8:019:55:052
2238299100,9cyclictest0-21swapper/221:44:012
2238299100,1cyclictest0-21swapper/220:20:122
2238199105,3cyclictest2385-21cpu21:00:121
2238199103,5cyclictest30690-21kworker/u8:119:30:101
2238199100,3cyclictest0-21swapper/120:50:161
2238099100,9cyclictest0-21swapper/022:25:280
170112100,0sleep00-21swapper/020:15:130
223839994,3cyclictest3728-21runrttasks19:22:153
223839994,3cyclictest3190-21ntp_states19:40:183
223839994,3cyclictest2850-21rsyslogd20:10:013
223839994,3cyclictest22650-21head20:30:113
223839994,3cyclictest18853-21df_abs20:20:123
223839994,3cyclictest11946-21vmstat20:01:033
223839994,3cyclictest0-21swapper/319:56:023
223839991,6cyclictest0-21swapper/320:56:013
223829994,3cyclictest6607-21cpu19:50:122
223829994,3cyclictest22822-21cpuspeed_turbos20:30:122
223819993,4cyclictest15866-21grep20:11:031
223809996,2cyclictest12647-21kworker/u8:120:26:050
223809996,2cyclictest0-21swapper/020:51:030
223809994,3cyclictest25991-21grep19:16:020
223809994,3cyclictest25991-21grep19:16:020
223809994,3cyclictest15602-21run-parts20:11:010
28199280,1sleep00-21swapper/019:22:140
223839983,3cyclictest6493-21aten2.4_r3power19:50:113
223809985,2cyclictest23150-21fschecks_time19:10:150
223809984,2cyclictest3688-21Xorg20:21:020
223809983,3cyclictest3262-21avahi-daemon20:30:040
223809980,7cyclictest0-21swapper/019:57:230
1216280,6sleep00-21swapper/020:55:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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