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2026-05-19 - 07:35

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 376 highest latencies:
System rack3slot6s.osadl.org (updated Tue May 19, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
70562121110,6sleep10-21swapper/119:09:121
6857211995,19sleep00-21swapper/019:06:390
6889211896,17sleep30-21swapper/319:07:023
6834210594,6sleep20-21swapper/219:06:212
153352910,1sleep3381ktimersoftd/321:35:193
211172800,0sleep00-21swapper/000:37:000
202612740,0sleep10-21swapper/123:25:501
86422700,0sleep10-21swapper/122:03:381
264322690,1sleep10-21swapper/121:12:321
103142680,0sleep30-21swapper/320:35:203
72922660,0sleep20-21swapper/222:01:232
107632630,6sleep1714699cyclictest22:05:181
193402560,2sleep0714599cyclictest21:40:120
714799210,5cyclictest0-21swapper/222:27:052
94422200,0sleep00-21swapper/000:25:100
714899200,18cyclictest0-21swapper/323:25:123
714699203,15cyclictest11124-21cat23:51:031
714599200,18cyclictest0-21swapper/023:28:040
714599200,18cyclictest0-21swapper/022:20:100
7147991916,2cyclictest22967-21kworker/u8:121:13:052
7147991915,3cyclictest27867-21kworker/u8:221:49:042
45702190,1sleep20-21swapper/222:34:532
7147991815,2cyclictest17551-21kworker/u8:023:29:052
7147991813,3cyclictest9701-21ssh23:15:142
714599180,16cyclictest0-21swapper/023:07:050
172262180,0sleep10-21swapper/120:55:011
172262180,0sleep10-21swapper/120:55:001
7148991714,2cyclictest27867-21kworker/u8:221:50:053
7147991714,2cyclictest24905-21kworker/u8:323:05:042
7147991714,2cyclictest21306-21kworker/u8:022:19:042
7147991714,2cyclictest19440-21kworker/u8:219:48:012
7147991714,2cyclictest12223-21kworker/u8:223:33:042
7147991714,2cyclictest11433-21kworker/u8:120:32:042
7147991714,2cyclictest11433-21kworker/u8:120:13:042
7147991714,2cyclictest11299-21kworker/u8:200:32:052
714799170,12cyclictest0-21swapper/220:06:042
714699174,11cyclictest0-21swapper/100:22:361
714699173,12cyclictest0-21swapper/100:09:481
714699173,12cyclictest0-21swapper/100:09:471
714699170,15cyclictest0-21swapper/123:10:161
714699170,15cyclictest0-21swapper/100:15:061
7148991613,2cyclictest2834-21kworker/u8:122:20:053
7148991612,3cyclictest7567-21ssh22:01:503
714799162,2cyclictest0-21swapper/223:36:042
714799161,3cyclictest25901-21df_inode19:55:142
714799161,3cyclictest0-21swapper/200:25:122
7147991613,2cyclictest7430-21kworker/u8:220:39:042
7147991613,2cyclictest430-21kworker/u8:121:26:042
7147991613,2cyclictest18645-21kworker/u8:319:19:042
7147991613,2cyclictest13102-21kworker/u8:021:17:042
7147991613,2cyclictest11433-21kworker/u8:120:52:052
7147991613,2cyclictest11433-21kworker/u8:120:52:042
7147991613,2cyclictest11433-21kworker/u8:119:52:012
7147991613,2cyclictest11433-21kworker/u8:119:33:042
714799160,11cyclictest0-21swapper/223:14:042
714699169,5cyclictest0-21swapper/122:34:541
714699164,10cyclictest6188-21pzem_voltage23:45:531
714699163,2cyclictest0-21swapper/122:11:561
714699163,11cyclictest0-21swapper/100:25:121
714699162,1cyclictest0-21swapper/100:31:081
7146991613,2cyclictest0-21swapper/123:07:101
7146991613,2cyclictest0-21swapper/121:31:301
714699161,13cyclictest0-21swapper/120:25:291
714599160,15cyclictest0-21swapper/021:37:050
311352160,1sleep20-21swapper/200:13:382
311352160,1sleep20-21swapper/200:13:372
7148991512,2cyclictest18659-21kworker/u8:100:22:043
7148991512,2cyclictest0-21swapper/319:56:013
714899150,13cyclictest0-21swapper/323:55:013
7147991512,2cyclictest4963-21kworker/u8:019:24:042
7147991512,2cyclictest29131-21kworker/u8:023:45:042
7147991512,2cyclictest27867-21kworker/u8:221:33:042
7147991512,2cyclictest26760-21kworker/u8:021:51:042
7147991512,2cyclictest18645-21kworker/u8:319:12:022
7147991512,2cyclictest17180-21kworker/u8:000:35:042
7147991512,2cyclictest13102-21kworker/u8:020:57:042
7147991512,2cyclictest11433-21kworker/u8:120:18:042
714799151,12cyclictest0-21swapper/223:01:052
7147991510,3cyclictest8343-21ssh00:23:542
714799150,10cyclictest0-21swapper/221:21:042
714799150,10cyclictest0-21swapper/220:46:042
714699154,9cyclictest0-21swapper/122:50:151
714699154,8cyclictest4562-21gdm-simple-gree19:11:581
714699153,4cyclictest0-21swapper/121:46:041
714699153,2cyclictest0-21swapper/123:44:111
714699153,2cyclictest0-21swapper/121:15:381
714699153,10cyclictest27899-21munin-node1
714699153,10cyclictest0-21swapper/123:55:141
714699153,10cyclictest0-21swapper/122:15:141
714699153,10cyclictest0-21swapper/119:55:161
714699153,10cyclictest0-21swapper/119:50:181
714699152,11cyclictest0-21swapper/123:01:041
714699151,4cyclictest0-21swapper/123:19:421
7146991512,2cyclictest0-21swapper/119:40:201
7146991511,3cyclictest0-21swapper/121:24:461
714699150,3cyclictest0-21swapper/121:50:171
714699150,3cyclictest0-21swapper/121:40:161
714699150,14cyclictest0-21swapper/120:55:161
714599151,12cyclictest9274-21apt-get21:30:060
54572150,3sleep04678-21munin-node0
32132150,3sleep00-21swapper/000:18:210
250052150,1sleep3381ktimersoftd/323:31:013
7148991411,2cyclictest2834-21kworker/u8:122:15:043
7148991411,2cyclictest24905-21kworker/u8:322:58:043
7148991411,2cyclictest0-21swapper/322:42:213
7148991411,2cyclictest0-21swapper/321:46:523
7148991411,2cyclictest0-21swapper/321:21:423
7148991411,2cyclictest0-21swapper/300:04:113
714899140,2cyclictest27899-21munin-node3
714899140,2cyclictest0-21swapper/323:02:423
714899140,13cyclictest4468-21ssh23:09:313
714899140,13cyclictest0-21swapper/321:40:113
714899140,13cyclictest0-21swapper/321:18:113
714899140,12cyclictest0-21swapper/300:38:513
714899140,12cyclictest0-21swapper/300:32:223
714799141,2cyclictest73902sleep222:36:502
714799141,2cyclictest0-21swapper/219:40:132
7147991411,2cyclictest17157-21kworker/u8:221:05:042
7147991411,2cyclictest0-21swapper/222:57:442
714799140,2cyclictest0-21swapper/221:40:102
714799140,13cyclictest0-21swapper/223:57:542
714799140,13cyclictest0-21swapper/223:43:042
714799140,12cyclictest14448-21aten2.4_r3power22:45:122
714799140,12cyclictest0-21swapper/221:37:292
714799140,12cyclictest0-21swapper/220:25:122
714799140,10cyclictest0-21swapper/220:41:042
714699148,4cyclictest0-21swapper/121:28:431
714699143,9cyclictest9372-21munin-node1
714699143,9cyclictest0-21swapper/122:25:141
714699143,9cyclictest0-21swapper/121:06:011
714699143,9cyclictest0-21swapper/119:25:161
714699143,9cyclictest0-21swapper/119:20:111
714699142,7cyclictest0-21swapper/121:05:011
714699142,10cyclictest0-21swapper/121:55:151
714699142,10cyclictest0-21swapper/120:30:121
7146991411,2cyclictest0-21swapper/123:30:151
7146991411,2cyclictest0-21swapper/121:37:011
714699140,13cyclictest23250-21diskmemload22:22:561
714699140,13cyclictest0-21swapper/123:21:061
714699140,13cyclictest0-21swapper/100:38:171
714699140,12cyclictest0-21swapper/100:00:511
714599149,3cyclictest12812-21ssh23:53:360
714599141,2cyclictest30219-21iostat_ios20:05:150
7145991411,2cyclictest0-21swapper/022:15:110
714599140,9cyclictest0-21swapper/000:11:040
714599140,9cyclictest0-21swapper/000:11:040
154852140,2sleep20-21swapper/222:10:332
714899131,10cyclictest23250-21diskmemload21:26:273
7148991310,2cyclictest28189-21kworker/u8:222:26:053
7148991310,2cyclictest27867-21kworker/u8:221:32:043
7148991310,2cyclictest27532-21kworker/u8:020:23:043
7148991310,2cyclictest19086-21kworker/u8:122:52:053
7148991310,2cyclictest0-21swapper/323:55:523
7148991310,2cyclictest0-21swapper/322:45:313
7148991310,2cyclictest0-21swapper/322:30:523
7148991310,2cyclictest0-21swapper/322:05:523
7148991310,2cyclictest0-21swapper/321:10:153
714899130,2cyclictest0-21swapper/323:23:523
714899130,2cyclictest0-21swapper/300:16:413
714899130,2cyclictest0-21swapper/300:13:423
714899130,2cyclictest0-21swapper/300:13:413
714899130,12cyclictest23250-21diskmemload23:15:513
714899130,12cyclictest0-21swapper/323:48:133
714899130,12cyclictest0-21swapper/321:57:213
714899130,11cyclictest11389-21ssh00:26:203
7147991310,2cyclictest7144-21cyclictest19:36:052
7147991310,2cyclictest0-21swapper/222:42:432
7147991310,2cyclictest0-21swapper/222:20:382
714799130,2cyclictest0-21swapper/223:50:052
714799130,2cyclictest0-21swapper/223:22:542
714799130,2cyclictest0-21swapper/222:53:082
714799130,12cyclictest0-21swapper/200:04:042
714699134,7cyclictest10583-21sh22:40:151
714699134,6cyclictest4562-21gdm-simple-gree20:02:591
714699133,4cyclictest0-21swapper/119:30:161
714699131,11cyclictest0-21swapper/122:35:201
714699131,10cyclictest0-21swapper/122:45:151
714699131,10cyclictest0-21swapper/120:11:031
7146991310,2cyclictest0-21swapper/119:35:011
714699130,2cyclictest0-21swapper/100:10:151
714699130,2cyclictest0-21swapper/100:10:151
714699130,10cyclictest0-21swapper/122:56:161
7145991310,2cyclictest0-21swapper/022:25:010
7145991310,2cyclictest0-21swapper/021:11:000
7145991310,2cyclictest0-21swapper/021:00:180
714599130,2cyclictest0-21swapper/022:00:140
714599130,12cyclictest23250-21diskmemload23:13:000
714599130,12cyclictest0-21swapper/021:56:000
714599130,12cyclictest0-21swapper/021:45:180
714599130,12cyclictest0-21swapper/000:05:460
714599130,12cyclictest0-21swapper/000:05:450
714599130,12cyclictest0-21swapper/000:03:590
714599130,11cyclictest23250-21diskmemload23:57:530
714599130,11cyclictest23250-21diskmemload22:42:070
714599130,11cyclictest0-21swapper/023:00:230
130562130,2sleep00-21swapper/022:08:260
714899129,2cyclictest11433-21kworker/u8:120:28:053
714899129,2cyclictest11433-21kworker/u8:120:02:023
714899129,2cyclictest0-21swapper/323:12:413
714899129,2cyclictest0-21swapper/320:55:183
714899129,2cyclictest0-21swapper/320:05:163
714899129,2cyclictest0-21swapper/319:46:523
714899120,11cyclictest0-21swapper/322:39:043
714899120,11cyclictest0-21swapper/322:11:143
714899120,11cyclictest0-21swapper/320:11:043
714799129,2cyclictest32015-21copy00:15:032
714799129,2cyclictest23101-21apt-get00:05:122
714799129,2cyclictest23101-21apt-get00:05:122
714799120,8cyclictest0-21swapper/221:00:052
714799120,2cyclictest0-21swapper/220:01:052
714799120,11cyclictest0-21swapper/222:05:462
714799120,11cyclictest0-21swapper/221:55:452
714699129,2cyclictest0-21swapper/120:40:011
714699127,3cyclictest1097-21munin-node1
714699125,5cyclictest3649-21snmpd20:20:081
714699122,8cyclictest15190-21cron20:50:001
714699121,9cyclictest0-21swapper/120:05:151
714699121,9cyclictest0-21swapper/119:46:031
714599129,2cyclictest29858-21ssh23:36:070
714599129,2cyclictest21466-21apt-get19:45:120
714599129,2cyclictest0-21swapper/023:46:100
714599129,2cyclictest0-21swapper/023:40:110
714599129,2cyclictest0-21swapper/023:31:020
714599129,2cyclictest0-21swapper/023:22:110
714599129,2cyclictest0-21swapper/022:56:190
714599129,2cyclictest0-21swapper/022:31:030
714599129,2cyclictest0-21swapper/021:23:060
714599129,2cyclictest0-21swapper/020:01:010
714599122,7cyclictest4556-21metacity20:47:580
714599120,8cyclictest0-21swapper/020:11:040
714599120,2cyclictest23250-21diskmemload00:30:580
714599120,2cyclictest0-21swapper/022:53:300
714599120,2cyclictest0-21swapper/022:38:590
714599120,2cyclictest0-21swapper/021:26:190
714599120,2cyclictest0-21swapper/019:20:120
714599120,11cyclictest0-21swapper/022:45:500
714599120,11cyclictest0-21swapper/022:10:110
714599120,10cyclictest28161-21ssh21:15:050
714599120,10cyclictest0-21swapper/023:16:450
714899118,2cyclictest19440-21kworker/u8:219:40:043
714899118,2cyclictest17157-21kworker/u8:221:04:043
714899118,2cyclictest0-21swapper/319:25:153
714899117,3cyclictest18345-21munin-node3
714899117,2cyclictest0-21swapper/300:05:143
714899117,2cyclictest0-21swapper/300:05:143
714899111,6cyclictest1590-21ssh23:41:003
714899110,2cyclictest0-21swapper/320:50:143
714899110,2cyclictest0-21swapper/320:50:133
714799111,6cyclictest0-21swapper/220:20:582
714799110,10cyclictest0-21swapper/219:25:552
714699114,5cyclictest9758-21sed19:15:151
714599110,10cyclictest11433-21kworker/u8:120:27:040
714599110,10cyclictest0-21swapper/021:50:160
714899107,2cyclictest4963-21kworker/u8:019:21:043
714899107,2cyclictest4963-21kworker/u8:019:15:043
714899107,2cyclictest22967-21kworker/u8:121:09:043
714899106,2cyclictest12068-21iostat20:40:163
714899101,3cyclictest0-21swapper/320:45:243
714599107,2cyclictest0-21swapper/019:51:010
714599107,2cyclictest0-21swapper/019:25:170
714599107,2cyclictest0-21swapper/019:10:380
714599103,6cyclictest0-21swapper/020:51:000
714599103,6cyclictest0-21swapper/020:51:000
714599102,5cyclictest0-21swapper/020:57:580
714599100,7cyclictest4562-21gdm-simple-gree20:36:580
71489996,2cyclictest4963-21kworker/u8:019:10:053
71489996,2cyclictest11433-21kworker/u8:120:16:043
71489996,2cyclictest11433-21kworker/u8:119:53:043
71489994,3cyclictest7104-21apt-get20:30:043
71459996,2cyclictest0-21swapper/020:30:150
71459994,3cyclictest3196-21head20:20:090
71459994,3cyclictest10613-21timerandwakeup19:16:050
71459992,6cyclictest0-21swapper/020:17:590
71459992,6cyclictest0-21swapper/019:41:030
71459992,6cyclictest0-21swapper/019:31:070
22523290,1sleep00-21swapper/021:05:540
71489983,3cyclictest16318-21open_files19:30:183
71459984,2cyclictest17616-21cpu19:35:190
71459980,4cyclictest0-21swapper/020:45:010
71459980,2cyclictest0-21swapper/019:55:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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