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2026-07-01 - 07:55

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 Wed Jul 01, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165182114103,6sleep20-21swapper/219:06:302
16596211195,11sleep30-21swapper/319:07:313
16656210989,14sleep10-21swapper/119:08:171
16062210479,20sleep00-21swapper/019:05:480
120552890,0sleep0101ktimersoftd/022:33:080
16815998220,28cyclictest18886-21ssh22:05:110
49592770,1sleep0101ktimersoftd/023:00:180
286032270,1sleep328605-21ssh22:50:383
286032270,1sleep328605-21ssh22:50:373
1681799231,3cyclictest9738-21ssh21:20:122
1681799220,3cyclictest0-21swapper/222:30:142
1681899211,2cyclictest32703-21diskmemload22:10:113
1681799210,3cyclictest0-21swapper/222:43:062
1681799210,3cyclictest0-21swapper/222:43:062
1681899200,18cyclictest0-21swapper/319:10:123
1681799200,3cyclictest32435-21munin-node2
1681799200,3cyclictest0-21swapper/222:36:432
1681799200,3cyclictest0-21swapper/222:10:032
1681799200,3cyclictest0-21swapper/221:13:112
1681799200,3cyclictest0-21swapper/219:10:192
1681799200,2cyclictest0-21swapper/200:03:382
1681699201,17cyclictest0-21swapper/119:45:111
1681699200,18cyclictest0-21swapper/123:15:131
1681599200,18cyclictest0-21swapper/023:40:110
1681799190,3cyclictest3728-21runrttasks22:27:312
1681799190,3cyclictest3395-21sh22:24:232
1681799190,3cyclictest30573-21ssh22:17:392
1681799190,3cyclictest21921-21ntp_states20:40:192
1681799190,3cyclictest16499-21sh21:26:312
1681799190,3cyclictest15965-21ssh00:25:112
1681799190,3cyclictest12882-21ssh21:58:232
1681799190,3cyclictest0-21swapper/223:56:212
1681799190,3cyclictest0-21swapper/223:09:512
1681799190,3cyclictest0-21swapper/222:46:552
1681799190,3cyclictest0-21swapper/222:46:552
1681799190,3cyclictest0-21swapper/221:06:032
1681799190,3cyclictest0-21swapper/200:11:352
1681799190,2cyclictest0-21swapper/221:51:032
1681799190,17cyclictest0-21swapper/223:15:162
1681599190,17cyclictest0-21swapper/000:25:120
152672190,1sleep0101ktimersoftd/000:24:230
290552180,1sleep10-21swapper/122:51:051
290552180,1sleep10-21swapper/122:51:051
16818991814,2cyclictest3288-21kworker/u8:123:49:043
1681799180,3cyclictest8829-21ssh00:16:192
1681799180,3cyclictest29231-21ssh21:40:232
1681799180,3cyclictest2771-21ssh21:46:592
1681799180,3cyclictest14600-21ssh23:45:592
1681799180,3cyclictest0-21swapper/223:14:472
1681799180,3cyclictest0-21swapper/223:00:392
1681799180,3cyclictest0-21swapper/222:55:392
1681799180,3cyclictest0-21swapper/221:37:392
1681799180,3cyclictest0-21swapper/221:34:232
1681799180,3cyclictest0-21swapper/220:01:072
1681799180,3cyclictest0-21swapper/200:24:552
1681799180,16cyclictest0-21swapper/223:35:182
1681799180,12cyclictest0-21swapper/222:05:572
1681699180,2cyclictest0-21swapper/121:45:121
16818991714,2cyclictest2556-21kworker/u8:221:18:043
1681799170,3cyclictest0-21swapper/220:18:312
1681799170,3cyclictest0-21swapper/219:29:512
1681799170,3cyclictest0-21swapper/219:29:512
1681799170,11cyclictest0-21swapper/223:28:402
122172170,1sleep10-21swapper/120:16:031
16818991613,2cyclictest27001-21kworker/u8:000:10:043
16818991613,2cyclictest0-21swapper/321:59:413
16818991612,2cyclictest16807-21kworker/u8:122:05:043
16818991611,3cyclictest0-21swapper/321:10:003
1681899160,14cyclictest0-21swapper/323:20:113
1681799163,11cyclictest301ktimersoftd/219:20:122
1681799161,3cyclictest0-21swapper/222:01:462
1681799160,3cyclictest0-21swapper/222:51:482
1681799160,3cyclictest0-21swapper/222:51:482
1681799160,3cyclictest0-21swapper/219:31:032
1681799160,2cyclictest0-21swapper/223:42:072
1681799160,2cyclictest0-21swapper/200:34:002
1681799160,14cyclictest28449-21cat19:36:022
1681799160,10cyclictest0-21swapper/200:36:552
1681699161,13cyclictest7788-21ntp_states20:05:181
184272151,3sleep018608-21diskstats22:40:140
184272151,3sleep018608-21diskstats22:40:140
16818991512,2cyclictest2556-21kworker/u8:221:32:043
16818991512,2cyclictest23176-21kworker/u8:022:17:043
16818991511,2cyclictest13279-21kworker/u8:023:50:043
1681899150,13cyclictest4304-21ssh23:35:113
1681899150,13cyclictest3151-21nscd21:14:313
1681899150,13cyclictest0-21swapper/322:31:233
1681799154,3cyclictest29623-21fschecks_time19:40:142
1681799154,3cyclictest23349-21df_abs20:45:132
1681799154,3cyclictest22591-21sh23:20:022
1681799154,3cyclictest19090-21aten2.4-expect20:35:122
1681799153,3cyclictest28659-21cron21:00:002
1681799152,3cyclictest19605-21gltestperf19:15:142
1681799152,3cyclictest13229-21cpuspeed_turbos20:20:142
1681799151,4cyclictest8960-21aten2.4-expect20:10:132
1681799151,4cyclictest8851-21ls20:10:012
1681799151,3cyclictest0-21swapper/223:50:052
1681799151,3cyclictest0-21swapper/221:00:162
1681799151,3cyclictest0-21swapper/220:30:132
1681799151,3cyclictest0-21swapper/219:55:132
1681799151,3cyclictest0-21swapper/219:45:122
1681799150,4cyclictest16409-21unixbench_singl20:26:032
1681699152,7cyclictest0-21swapper/120:15:011
16816991510,3cyclictest15017-21rm22:35:591
16816991510,3cyclictest0-21swapper/123:25:151
16815991512,2cyclictest13219-21kworker/u8:222:38:040
16815991512,2cyclictest0-21swapper/022:10:230
1681599150,13cyclictest32703-21diskmemload21:20:430
1681899149,3cyclictest6340-21ssh22:26:233
16818991411,2cyclictest27001-21kworker/u8:000:08:043
16818991411,2cyclictest15585-21ssh23:11:213
16818991411,2cyclictest0-21swapper/323:27:213
16818991410,2cyclictest0-21swapper/300:30:063
1681899140,3cyclictest12579-21ssh23:09:043
1681899140,2cyclictest0-21swapper/323:15:403
1681899140,2cyclictest0-21swapper/321:40:313
1681899140,2cyclictest0-21swapper/320:35:513
1681899140,12cyclictest24746-21sed20:50:003
1681899140,12cyclictest0-21swapper/322:43:233
1681899140,12cyclictest0-21swapper/322:43:233
1681899140,12cyclictest0-21swapper/322:35:173
1681899140,12cyclictest0-21swapper/319:35:143
1681799141,4cyclictest5756-21tr21:15:132
1681799141,3cyclictest0-21swapper/220:50:032
1681799141,3cyclictest0-21swapper/219:50:132
1681799141,3cyclictest0-21swapper/200:05:282
1681699149,3cyclictest0-21swapper/123:06:461
1681699142,7cyclictest0-21swapper/100:15:001
1681699142,6cyclictest0-21swapper/121:00:001
1681699140,2cyclictest0-21swapper/120:25:091
1681699140,2cyclictest0-21swapper/120:20:191
1681699140,13cyclictest0-21swapper/121:34:291
1681699140,13cyclictest0-21swapper/119:30:191
1681699140,12cyclictest31126-21taskset22:18:331
1681699140,12cyclictest24390-21chrt23:56:261
1681699140,12cyclictest23362-21if_eth023:20:151
1681699140,12cyclictest0-21swapper/123:31:201
1681699140,12cyclictest0-21swapper/122:40:141
1681699140,12cyclictest0-21swapper/122:40:141
1681699140,12cyclictest0-21swapper/121:20:001
16815991411,2cyclictest32703-21diskmemload23:17:130
1681599140,2cyclictest0-21swapper/023:52:340
1681599140,2cyclictest0-21swapper/023:00:010
1681599140,2cyclictest0-21swapper/021:46:530
1681599140,2cyclictest0-21swapper/020:45:530
1681599140,12cyclictest0-21swapper/023:28:240
1681599140,12cyclictest0-21swapper/023:15:010
296912130,2sleep00-21swapper/000:03:040
264562130,2sleep132703-21diskmemload22:13:221
1681899138,3cyclictest25812-21sh22:47:543
1681899138,3cyclictest25812-21sh22:47:543
16818991310,2cyclictest6022-21ssh21:50:183
16818991310,2cyclictest31663-21kworker/u8:100:36:053
16818991310,2cyclictest17069-21kworker/u8:219:26:043
16818991310,2cyclictest17069-21kworker/u8:219:26:043
16818991310,2cyclictest16986-21kworker/u8:120:41:043
16818991310,2cyclictest0-21swapper/323:03:113
16818991310,2cyclictest0-21swapper/322:00:183
16818991310,2cyclictest0-21swapper/321:36:193
16818991310,2cyclictest0-21swapper/321:26:113
16818991310,2cyclictest0-21swapper/300:02:033
1681899130,8cyclictest0-21swapper/319:52:043
1681899130,2cyclictest0-21swapper/323:40:173
1681899130,2cyclictest0-21swapper/322:20:333
1681899130,2cyclictest0-21swapper/321:20:213
1681899130,2cyclictest0-21swapper/300:23:043
1681899130,12cyclictest0-21swapper/323:55:003
1681899130,12cyclictest0-21swapper/323:31:113
1681899130,12cyclictest0-21swapper/321:49:033
1681899130,12cyclictest0-21swapper/300:25:123
1681699138,3cyclictest14691-21df_inode21:25:131
1681699138,3cyclictest0-21swapper/120:35:131
1681699138,3cyclictest0-21swapper/100:15:361
1681699132,7cyclictest0-21swapper/119:15:001
1681699132,6cyclictest9417-21copy21:20:001
16816991310,2cyclictest0-21swapper/123:12:221
16816991310,2cyclictest0-21swapper/122:31:441
16816991310,2cyclictest0-21swapper/122:05:141
16816991310,2cyclictest0-21swapper/120:51:031
1681699130,2cyclictest32703-21diskmemload22:55:191
1681699130,2cyclictest32703-21diskmemload00:05:021
1681699130,2cyclictest0-21swapper/121:57:301
1681699130,2cyclictest0-21swapper/119:50:171
1681699130,12cyclictest0-21swapper/123:54:591
1681699130,12cyclictest0-21swapper/121:52:301
1681699130,11cyclictest207150irq/24-eth122:49:271
1681699130,11cyclictest207150irq/24-eth122:49:271
1681699130,11cyclictest0-21swapper/122:25:201
1681699130,11cyclictest0-21swapper/121:12:111
1681699130,11cyclictest0-21swapper/120:00:181
1681599139,2cyclictest23712-21ssh23:55:570
16815991310,2cyclictest20095-21kworker/u8:019:36:010
16815991310,2cyclictest13546-21kworker/u8:223:38:040
16815991310,2cyclictest0-21swapper/023:30:240
16815991310,2cyclictest0-21swapper/022:52:230
16815991310,2cyclictest0-21swapper/022:52:230
16815991310,2cyclictest0-21swapper/022:29:130
16815991310,2cyclictest0-21swapper/022:03:330
16815991310,2cyclictest0-21swapper/021:40:060
16815991310,2cyclictest0-21swapper/021:36:530
16815991310,2cyclictest0-21swapper/019:20:130
1681599130,2cyclictest0-21swapper/022:19:230
1681599130,11cyclictest0-21swapper/000:15:270
1681599130,11cyclictest0-21swapper/000:12:270
255822120,2sleep00-21swapper/023:22:390
1681899129,2cyclictest8058-21kworker/u8:220:26:033
1681899129,2cyclictest8058-21kworker/u8:220:24:013
1681899129,2cyclictest4445-21kworker/u8:120:00:043
1681899129,2cyclictest0-21swapper/320:30:183
1681899129,2cyclictest0-21swapper/319:46:023
1681899129,2cyclictest0-21swapper/319:15:103
1681899129,2cyclictest0-21swapper/300:15:023
1681899122,6cyclictest0-21swapper/319:21:013
1681899121,7cyclictest3728-21runrttasks20:06:013
1681899120,11cyclictest0-21swapper/322:55:423
1681699129,2cyclictest0-21swapper/122:01:381
1681699129,2cyclictest0-21swapper/121:05:311
1681699128,2cyclictest0-21swapper/123:01:531
1681699127,3cyclictest23582-21cut20:45:151
1681699127,3cyclictest0-21swapper/119:55:181
1681699124,6cyclictest27224-21df_abs00:00:131
1681699122,7cyclictest0-21swapper/121:01:591
1681699122,5cyclictest0-21swapper/123:50:001
1681699121,9cyclictest23371-21cpuspeed_turbos19:25:121
1681699121,9cyclictest23371-21cpuspeed_turbos19:25:121
1681699121,9cyclictest0-21swapper/120:40:131
1681699121,9cyclictest0-21swapper/100:25:131
1681699120,2cyclictest32703-21diskmemload00:36:011
1681699120,2cyclictest0-21swapper/122:23:301
1681699120,2cyclictest0-21swapper/121:40:161
1681699120,2cyclictest0-21swapper/119:35:131
1681699120,11cyclictest0-21swapper/123:40:071
1681699120,11cyclictest0-21swapper/123:35:231
1681699120,11cyclictest0-21swapper/119:40:151
1681699120,11cyclictest0-21swapper/100:30:141
1681699120,11cyclictest0-21swapper/100:20:051
1681599129,2cyclictest26886-21uptime00:36:050
1681599129,2cyclictest0-21swapper/021:50:570
1681599129,2cyclictest0-21swapper/021:25:260
1681599129,2cyclictest0-21swapper/020:50:150
1681599129,2cyclictest0-21swapper/000:30:070
1681599120,2cyclictest0-21swapper/023:05:160
1681599120,2cyclictest0-21swapper/022:45:150
1681599120,2cyclictest0-21swapper/022:45:150
1681599120,2cyclictest0-21swapper/022:20:440
1681599120,2cyclictest0-21swapper/021:10:070
1681599120,2cyclictest0-21swapper/019:40:150
1681599120,11cyclictest0-21swapper/021:55:450
1681599120,11cyclictest0-21swapper/021:33:340
1681599120,11cyclictest0-21swapper/021:18:170
1681599120,11cyclictest0-21swapper/000:09:040
1681899118,2cyclictest8058-21kworker/u8:220:15:043
1681899118,2cyclictest8058-21kworker/u8:220:11:043
1681899118,2cyclictest30165-21kworker/u8:219:57:043
1681899118,2cyclictest26363-21kworker/u8:221:03:043
1681899118,2cyclictest20095-21kworker/u8:019:40:043
1681899110,10cyclictest0-21swapper/320:55:563
1681699116,3cyclictest16989-21munin-node1
1681699116,3cyclictest0-21swapper/119:10:131
1681699111,8cyclictest0-21swapper/119:20:161
1681699110,2cyclictest0-21swapper/121:35:281
1681599118,2cyclictest19000-21apt-get20:35:110
1681599118,2cyclictest0-21swapper/023:45:070
1681599118,2cyclictest0-21swapper/019:56:040
1681599111,5cyclictest0-21swapper/019:15:000
1681599110,2cyclictest0-21swapper/020:15:190
1681599110,1cyclictest0-21swapper/019:26:000
1681599110,1cyclictest0-21swapper/019:26:000
1681599110,10cyclictest0-21swapper/020:56:010
1681599110,10cyclictest0-21swapper/020:11:020
1681899101,5cyclictest0-21swapper/320:50:103
1681899100,6cyclictest0-21swapper/319:31:043
1681599102,6cyclictest0-21swapper/021:01:000
1681599102,5cyclictest0-21swapper/019:33:020
1681599100,7cyclictest1835-21python19:51:020
168159994,3cyclictest7425-21fschecks_time20:05:150
168159994,3cyclictest21116-21cut20:40:130
168159992,6cyclictest0-21swapper/020:22:590
168159990,8cyclictest0-21swapper/020:25:070
168159990,7cyclictest0-21swapper/020:32:590
168159990,6cyclictest0-21swapper/021:06:590
168159985,2cyclictest24642-21kworker/u8:119:45:040
168159984,2cyclictest19105-21telnet19:15:110
168159983,3cyclictest6302-21head20:01:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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