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2026-08-22 - 23:47

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 Sat Aug 22, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
119472115104,6sleep20-21swapper/207:07:502
12045211099,6sleep10-21swapper/107:09:061
11830210897,6sleep30-21swapper/307:06:193
12069210796,6sleep00-21swapper/007:09:250
53162720,0sleep30-21swapper/309:19:053
208362490,0sleep30-21swapper/311:46:033
12146992724,2cyclictest5839-21kworker/u8:210:06:041
12146992723,2cyclictest325-21kworker/u8:010:33:051
12148992623,2cyclictest4859-21kworker/u8:212:07:043
12148992623,2cyclictest24902-21kworker/u8:112:19:053
12148992623,2cyclictest24902-21kworker/u8:112:19:043
289562250,0sleep00-21swapper/010:15:250
12148992521,2cyclictest22589-21kworker/u8:107:47:043
12146992522,2cyclictest31113-21kworker/u8:209:22:051
12148992421,2cyclictest24902-21kworker/u8:112:04:043
12148992421,2cyclictest22960-21kworker/u8:110:56:053
12148992421,2cyclictest22960-21kworker/u8:110:12:043
12148992421,2cyclictest18724-21kworker/u8:212:27:053
12148992421,2cyclictest18724-21kworker/u8:212:22:043
12148992421,2cyclictest18724-21kworker/u8:212:22:043
12146992421,2cyclictest30826-21kworker/u8:109:57:051
12148992320,2cyclictest4464-21kworker/u8:011:42:013
12148992320,2cyclictest11654-21kworker/u8:010:09:053
12148992320,2cyclictest11291-21kworker/u8:012:13:053
12146992320,2cyclictest28636-21kworker/u8:211:57:041
37422220,0sleep20-21swapper/212:01:412
12148992219,2cyclictest325-21kworker/u8:010:32:053
12148992219,2cyclictest31902-21kworker/u8:011:58:063
12148992219,2cyclictest28636-21kworker/u8:211:33:053
12148992219,2cyclictest22960-21kworker/u8:111:01:043
12148992219,2cyclictest22960-21kworker/u8:110:45:043
12146992219,2cyclictest5839-21kworker/u8:209:54:041
12146992219,2cyclictest30826-21kworker/u8:109:47:051
12146992219,2cyclictest29443-21kworker/u8:111:27:041
1214599220,2cyclictest0-21swapper/008:25:120
1214599220,20cyclictest0-21swapper/010:40:110
12148992118,2cyclictest5839-21kworker/u8:209:53:043
12148992118,2cyclictest28636-21kworker/u8:211:22:063
12148992118,2cyclictest28636-21kworker/u8:211:14:043
12148992118,2cyclictest22960-21kworker/u8:110:16:063
12148992118,2cyclictest22631-21kworker/u8:009:44:053
12148992118,2cyclictest13675-21kworker/u8:210:38:043
12148992118,2cyclictest11654-21kworker/u8:010:04:043
1214799211,18cyclictest0-21swapper/211:45:122
12146992118,2cyclictest28636-21kworker/u8:211:52:041
12146992118,2cyclictest13675-21kworker/u8:210:40:041
12146992118,2cyclictest11654-21kworker/u8:010:03:041
12148992017,2cyclictest4464-21kworker/u8:011:37:043
12148992017,2cyclictest22631-21kworker/u8:009:36:043
1214899200,18cyclictest0-21swapper/311:27:043
1214799200,2cyclictest0-21swapper/208:25:122
1214799200,18cyclictest0-21swapper/210:40:112
12146992017,2cyclictest3913-21kworker/u8:009:18:051
12146992017,2cyclictest325-21kworker/u8:010:21:051
12146992017,2cyclictest29443-21kworker/u8:111:30:041
12146992017,2cyclictest22631-21kworker/u8:009:37:041
12146992017,2cyclictest22589-21kworker/u8:107:44:051
12146992017,2cyclictest20165-21kworker/u8:010:48:051
1214699200,18cyclictest0-21swapper/112:27:051
102002200,0sleep10-21swapper/112:08:571
252122190,0sleep00-21swapper/012:24:280
252122190,0sleep00-21swapper/012:24:270
12148991916,2cyclictest9867-21kworker/u8:207:10:053
12148991916,2cyclictest386-21kworker/u8:108:28:023
12148991916,2cyclictest386-21kworker/u8:108:04:053
12148991916,2cyclictest31113-21kworker/u8:209:31:053
12148991916,2cyclictest31113-21kworker/u8:209:27:043
12148991916,2cyclictest30826-21kworker/u8:109:58:053
12148991916,2cyclictest28636-21kworker/u8:211:51:043
12146991916,2cyclictest386-21kworker/u8:108:26:041
12146991916,2cyclictest28636-21kworker/u8:211:15:041
12146991916,2cyclictest26770-21kworker/u8:007:14:041
12146991916,2cyclictest24902-21kworker/u8:112:38:041
12146991916,2cyclictest24902-21kworker/u8:112:34:041
12146991916,2cyclictest22960-21kworker/u8:111:02:041
12146991916,2cyclictest22960-21kworker/u8:110:15:041
12146991916,2cyclictest15953-21kworker/u8:107:22:041
12148991815,2cyclictest25674-21kworker/u8:009:06:063
12148991815,2cyclictest22960-21kworker/u8:110:51:043
12148991815,2cyclictest22960-21kworker/u8:110:23:053
12148991815,2cyclictest18055-21kworker/u8:007:26:053
12146991815,2cyclictest8581-21kworker/u8:208:44:051
12146991815,2cyclictest31113-21kworker/u8:209:34:021
12146991815,2cyclictest22589-21kworker/u8:107:46:051
12146991815,2cyclictest13675-21kworker/u8:210:39:041
12146991815,2cyclictest11291-21kworker/u8:012:16:041
12146991815,2cyclictest11291-21kworker/u8:012:16:041
1214699180,2cyclictest0-21swapper/111:42:011
12148991714,2cyclictest8581-21kworker/u8:208:46:043
12148991714,2cyclictest30286-21kworker/u8:008:06:023
12148991714,2cyclictest22589-21kworker/u8:107:43:053
1214899170,2cyclictest0-21swapper/310:42:053
1214899170,15cyclictest0-21swapper/312:34:043
12146991714,2cyclictest386-21kworker/u8:108:05:051
12146991714,2cyclictest28636-21kworker/u8:211:46:051
12146991714,2cyclictest28636-21kworker/u8:210:54:051
12146991714,2cyclictest24902-21kworker/u8:112:11:051
12146991714,2cyclictest22105-21kworker/u8:011:20:061
12148991613,2cyclictest26770-21kworker/u8:007:16:053
1214899160,2cyclictest0-21swapper/312:38:053
1214799160,14cyclictest3649-21snmpd10:33:102
12146991613,2cyclictest386-21kworker/u8:108:15:051
12146991613,2cyclictest386-21kworker/u8:108:13:041
12146991613,2cyclictest20146-21kworker/u8:109:05:051
12146991613,2cyclictest18055-21kworker/u8:007:25:051
1214699160,2cyclictest0-21swapper/111:14:051
1214699160,2cyclictest0-21swapper/110:56:051
1214599161,13cyclictest13264-21ssh11:39:100
1214599161,12cyclictest0-21swapper/008:10:170
12148991512,2cyclictest25674-21kworker/u8:009:03:043
12148991512,2cyclictest22589-21kworker/u8:107:39:053
12148991512,2cyclictest20146-21kworker/u8:108:51:053
1214899150,2cyclictest0-21swapper/311:15:043
1214899150,13cyclictest661-21ssh09:46:403
12147991510,3cyclictest0-21swapper/209:36:312
1214799150,13cyclictest0-21swapper/211:28:092
12146991512,2cyclictest386-21kworker/u8:108:30:051
12146991512,2cyclictest30286-21kworker/u8:007:56:051
12146991512,2cyclictest25674-21kworker/u8:009:02:041
12146991512,2cyclictest20146-21kworker/u8:108:57:051
12146991512,2cyclictest11296-21kworker/u8:109:29:041
12146991512,2cyclictest10102-21kworker/u8:011:06:041
1214699150,2cyclictest0-21swapper/109:44:041
1214599151,3cyclictest4059-21sh09:17:180
1214599151,12cyclictest23944-21apt-get11:50:110
1214599150,13cyclictest28422-21diskmemload11:30:150
299942140,2sleep00-21swapper/011:22:520
13832140,2sleep00-21swapper/011:26:170
1214899140,2cyclictest0-21swapper/309:10:113
1214899140,2cyclictest0-21swapper/308:44:053
1214899140,12cyclictest0-21swapper/310:25:183
12147991411,2cyclictest28422-21diskmemload10:18:292
12147991411,2cyclictest0-21swapper/212:20:192
12147991411,2cyclictest0-21swapper/212:20:192
12147991411,2cyclictest0-21swapper/210:23:202
1214799140,3cyclictest1302-21rm09:15:132
1214799140,2cyclictest14978-21ssh11:07:192
1214799140,2cyclictest0-21swapper/211:54:292
1214799140,12cyclictest28422-21diskmemload10:27:492
12146991412,1cyclictest0-21swapper/110:12:051
12146991411,2cyclictest386-21kworker/u8:108:01:041
12146991411,2cyclictest18724-21kworker/u8:212:23:051
12146991411,2cyclictest18724-21kworker/u8:212:23:041
1214699140,13cyclictest0-21swapper/112:02:051
1214599141,11cyclictest0-21swapper/010:32:090
1214599140,12cyclictest31966-21munin-node0
1214599140,12cyclictest28422-21diskmemload11:40:130
1214599140,12cyclictest17151-21smartctl08:40:150
1214599140,12cyclictest0-21swapper/010:27:370
1214599140,12cyclictest0-21swapper/009:00:170
286212130,2sleep028422-21diskmemload12:27:140
12148991310,2cyclictest386-21kworker/u8:108:39:043
12148991310,2cyclictest22233-21kworker/u8:208:55:043
12148991310,2cyclictest0-21swapper/308:30:183
1214899130,2cyclictest0-21swapper/311:05:173
1214899130,2cyclictest0-21swapper/308:11:053
1214899130,12cyclictest0-21swapper/309:20:143
1214899130,12cyclictest0-21swapper/307:30:123
1214799134,6cyclictest0-21swapper/212:12:592
1214799133,7cyclictest4556-21metacity08:14:582
12147991310,2cyclictest14611-21ssh10:00:522
12147991310,2cyclictest0-21swapper/211:59:022
12147991310,2cyclictest0-21swapper/211:33:112
12147991310,2cyclictest0-21swapper/209:56:132
12147991310,2cyclictest0-21swapper/209:48:592
1214799130,2cyclictest5928-21ssh09:52:002
1214799130,2cyclictest19275-21ssh10:05:332
1214799130,2cyclictest0-21swapper/207:50:122
1214799130,12cyclictest0-21swapper/212:36:202
1214799130,12cyclictest0-21swapper/212:30:412
1214799130,12cyclictest0-21swapper/212:28:012
1214799130,12cyclictest0-21swapper/211:22:522
1214799130,12cyclictest0-21swapper/211:02:192
1214799130,12cyclictest0-21swapper/210:57:002
1214799130,12cyclictest0-21swapper/210:52:292
1214799130,12cyclictest0-21swapper/210:47:102
1214799130,12cyclictest0-21swapper/210:39:502
1214799130,12cyclictest0-21swapper/209:32:102
12146991310,2cyclictest16730-21kworker/u8:008:50:011
1214699130,2cyclictest0-21swapper/111:36:171
1214699130,2cyclictest0-21swapper/109:10:021
1214699130,12cyclictest0-21swapper/107:30:171
1214599139,2cyclictest30918-21ssh10:50:270
1214599138,3cyclictest1936-21sendmail-mta08:04:370
1214599131,7cyclictest16752-21ssh10:36:020
1214599131,6cyclictest0-21swapper/010:25:000
1214599131,10cyclictest22268-21/usr/sbin/munin07:35:000
12145991310,2cyclictest23138-21ssh09:36:180
12145991310,2cyclictest20804-21ssh11:13:460
12145991310,2cyclictest0-21swapper/012:16:470
12145991310,2cyclictest0-21swapper/012:16:470
12145991310,2cyclictest0-21swapper/012:13:500
12145991310,2cyclictest0-21swapper/012:04:110
12145991310,2cyclictest0-21swapper/010:56:270
12145991310,2cyclictest0-21swapper/009:29:480
1214599130,2cyclictest28422-21diskmemload10:05:080
1214599130,2cyclictest0-21swapper/011:48:570
1214599130,2cyclictest0-21swapper/010:48:490
1214599130,2cyclictest0-21swapper/010:14:580
1214599130,2cyclictest0-21swapper/007:15:180
1214599130,12cyclictest0-21swapper/009:20:140
1214599130,11cyclictest0-21swapper/011:01:390
1214599130,11cyclictest0-21swapper/009:47:090
298802120,2sleep00-21swapper/009:10:250
1214899120,11cyclictest0-21swapper/307:51:053
1214799129,2cyclictest0-21swapper/212:16:432
1214799129,2cyclictest0-21swapper/212:16:422
1214799129,2cyclictest0-21swapper/211:10:112
1214799129,2cyclictest0-21swapper/210:10:322
1214799129,2cyclictest0-21swapper/209:25:312
1214799129,2cyclictest0-21swapper/208:35:112
1214799122,7cyclictest0-21swapper/208:44:592
1214799121,7cyclictest22380-21munin-run08:55:002
1214799120,2cyclictest0-21swapper/212:06:122
1214799120,2cyclictest0-21swapper/211:40:222
1214799120,2cyclictest0-21swapper/211:35:132
1214799120,2cyclictest0-21swapper/209:42:422
1214799120,2cyclictest0-21swapper/209:21:122
1214799120,2cyclictest0-21swapper/207:55:502
1214799120,2cyclictest0-21swapper/207:41:032
1214799120,2cyclictest0-21swapper/207:30:162
1214799120,11cyclictest25074-21ssh11:17:492
1214799120,11cyclictest0-21swapper/209:10:212
1214699129,2cyclictest8581-21kworker/u8:208:47:041
1214699129,2cyclictest0-21swapper/110:26:451
1214699120,11cyclictest0-21swapper/107:51:051
1214599129,2cyclictest0-21swapper/012:31:080
1214599129,2cyclictest0-21swapper/011:59:580
1214599129,2cyclictest0-21swapper/011:09:020
1214599129,2cyclictest0-21swapper/009:33:290
1214599122,7cyclictest0-21swapper/008:54:010
1214599121,3cyclictest10306-21munin-run08:25:010
1214599120,2cyclictest0-21swapper/009:55:490
1214599120,2cyclictest0-21swapper/008:36:050
1214599120,11cyclictest0-21swapper/012:35:120
1214599120,11cyclictest0-21swapper/011:15:150
1214599120,11cyclictest0-21swapper/010:02:180
1214599120,11cyclictest0-21swapper/009:50:120
1214599120,11cyclictest0-21swapper/009:41:020
1214599120,11cyclictest0-21swapper/008:45:490
1214899118,2cyclictest0-21swapper/308:24:283
1214899110,2cyclictest0-21swapper/307:56:043
1214899110,2cyclictest0-21swapper/307:22:043
1214799114,4cyclictest0-21swapper/208:02:582
1214799112,6cyclictest4556-21metacity07:17:592
1214799111,7cyclictest0-21swapper/208:05:022
1214799110,10cyclictest0-21swapper/207:47:092
1214699118,2cyclictest0-21swapper/108:35:301
1214599119,1cyclictest0-21swapper/007:40:190
1214599118,2cyclictest0-21swapper/009:05:140
1214599118,2cyclictest0-21swapper/008:15:160
1214599113,6cyclictest0-21swapper/007:26:000
1214599111,8cyclictest22523-21apt-get07:35:120
1214599111,5cyclictest0-21swapper/008:05:010
1214599110,1cyclictest0-21swapper/012:05:040
1214599110,1cyclictest0-21swapper/008:30:300
1214599110,10cyclictest0-21swapper/007:10:150
1214899107,2cyclictest0-21swapper/308:15:143
1214799107,2cyclictest0-21swapper/207:24:392
1214799105,3cyclictest19085-21tune2fs08:45:122
1214799100,9cyclictest0-21swapper/208:20:192
1214799100,7cyclictest0-21swapper/208:34:592
1214699100,2cyclictest0-21swapper/107:15:121
1214599107,2cyclictest0-21swapper/007:45:140
1214599101,3cyclictest0-21swapper/007:54:010
1214599101,2cyclictest22594-21apt-get08:55:130
121479996,2cyclictest0-21swapper/207:35:202
121479992,6cyclictest0-21swapper/207:27:322
121479992,6cyclictest0-21swapper/207:10:012
121479990,8cyclictest0-21swapper/208:55:302
121469996,2cyclictest386-21kworker/u8:108:20:041
121469990,2cyclictest0-21swapper/107:39:041
121459996,2cyclictest0-21swapper/007:20:180
121479983,3cyclictest6799-21df08:15:132
121479983,3cyclictest25514-21cat09:00:162
121479982,5cyclictest0-21swapper/209:05:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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